diff --git a/bin/server.js b/bin/server.js
index 4e1db9b..996bc9e 100644
--- a/bin/server.js
+++ b/bin/server.js
@@ -12,7 +12,10 @@ const cors = require('kcors')
 
 // Local libraries
 const config = require('../config') // this first.
-const adminLib = require('../src/lib/admin')
+
+const AdminLib = require('../src/lib/admin')
+const adminLib = new AdminLib()
+
 const errorMiddleware = require('../src/middleware')
 const wlogger = require('../src/lib/wlogger')
 
diff --git a/package-lock.json b/package-lock.json
index c883fe1..e2b7fee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -282,148 +282,127 @@
       }
     },
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-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/@octokit/auth-token/-/auth-token-2.4.0.tgz",
-      "integrity": "sha512-eoOVMjILna7FVQf96iWc3+ZtE/ZT6y8ob8ZzcqKY1ibSQCnu4O/B7pJvzMx5cyZ/RjAff6DAdEb0O0Cjcxidkg==",
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/@octokit/auth-token/-/auth-token-2.4.3.tgz",
+      "integrity": "sha512-fdGoOQ3kQJh+hrilc0Plg50xSfaCKOeYN9t6dpJKXN9BxhhfquL0OzoQXg3spLYymL5rm29uPeI3KEXRaZQ9zg==",
       "dev": true,
       "requires": {
-        "@octokit/types": "^2.0.0"
+        "@octokit/types": "^5.0.0"
+      }
+    },
+    "@octokit/core": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/@octokit/core/-/core-3.2.1.tgz",
+      "integrity": "sha512-XfFSDDwv6tclUenS0EmB6iA7u+4aOHBT1Lz4PtQNQQg3hBbNaR/+Uv5URU+egeIuuGAiMRiDyY92G4GBOWOqDA==",
+      "dev": true,
+      "requires": {
+        "@octokit/auth-token": "^2.4.0",
+        "@octokit/graphql": "^4.3.1",
+        "@octokit/request": "^5.4.0",
+        "@octokit/types": "^5.0.0",
+        "before-after-hook": "^2.1.0",
+        "universal-user-agent": "^6.0.0"
       }
     },
     "@octokit/endpoint": {
-      "version": "5.5.1",
-      "resolved": "https://registry.npmjs.org/@octokit/endpoint/-/endpoint-5.5.1.tgz",
-      "integrity": "sha512-nBFhRUb5YzVTCX/iAK1MgQ4uWo89Gu0TH00qQHoYRCsE12dWcG1OiLd7v2EIo2+tpUKPMOQ62QFy9hy9Vg2ULg==",
+      "version": "6.0.9",
+      "resolved": "https://registry.npmjs.org/@octokit/endpoint/-/endpoint-6.0.9.tgz",
+      "integrity": "sha512-3VPLbcCuqji4IFTclNUtGdp9v7g+nspWdiCUbK3+iPMjJCZ6LEhn1ts626bWLOn0GiDb6j+uqGvPpqLnY7pBgw==",
       "dev": true,
       "requires": {
-        "@octokit/types": "^2.0.0",
-        "is-plain-object": "^3.0.0",
-        "universal-user-agent": "^4.0.0"
-      },
-      "dependencies": {
-        "is-plain-object": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-3.0.0.tgz",
-          "integrity": "sha512-tZIpofR+P05k8Aocp7UI/2UTa9lTJSebCXpFFoR9aibpokDj/uXBsJ8luUu0tTVYKkMU6URDUuOfJZ7koewXvg==",
-          "dev": true,
-          "requires": {
-            "isobject": "^4.0.0"
-          }
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-        "isobject": {
-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/isobject/-/isobject-4.0.0.tgz",
-          "integrity": "sha512-S/2fF5wH8SJA/kmwr6HYhK/RI/OkhD84k8ntalo0iJjZikgq1XFvR5M8NPT1x5F7fBwCG3qHfnzeP/Vh/ZxCUA==",
-          "dev": true
-        }
+        "@octokit/types": "^5.0.0",
+        "is-plain-object": "^5.0.0",
+        "universal-user-agent": "^6.0.0"
+      }
+    },
+    "@octokit/graphql": {
+      "version": "4.5.7",
+      "resolved": "https://registry.npmjs.org/@octokit/graphql/-/graphql-4.5.7.tgz",
+      "integrity": "sha512-Gk0AR+DcwIK/lK/GX+OQ99UqtenQhcbrhHHfOYlrCQe17ADnX3EKAOKRsAZ9qZvpi5MuwWm/Nm+9aO2kTDSdyA==",
+      "dev": true,
+      "requires": {
+        "@octokit/request": "^5.3.0",
+        "@octokit/types": "^5.0.0",
+        "universal-user-agent": "^6.0.0"
       }
     },
     "@octokit/plugin-paginate-rest": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/@octokit/plugin-paginate-rest/-/plugin-paginate-rest-1.1.1.tgz",
-      "integrity": "sha512-Kf0bnNoOXK9EQLkc3rtXfPnu/bwiiUJ1nH3l7tmXYwdDJ7tk/Od2auFU9b86xxKZunPkV9SO1oeojT707q1l7A==",
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/@octokit/plugin-paginate-rest/-/plugin-paginate-rest-2.6.0.tgz",
+      "integrity": "sha512-o+O8c1PqsC5++BHXfMZabRRsBIVb34tXPWyQLyp2IXq5MmkxdipS7TXM4Y9ldL1PzY9CTrCsn/lzFFJGM3oRRA==",
       "dev": true,
       "requires": {
-        "@octokit/types": "^2.0.1"
+        "@octokit/types": "^5.5.0"
       }
     },
     "@octokit/plugin-request-log": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/@octokit/plugin-request-log/-/plugin-request-log-1.0.0.tgz",
-      "integrity": "sha512-ywoxP68aOT3zHCLgWZgwUJatiENeHE7xJzYjfz8WI0goynp96wETBF+d95b8g/uL4QmS6owPVlaxiz3wyMAzcw==",
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/@octokit/plugin-request-log/-/plugin-request-log-1.0.2.tgz",
+      "integrity": "sha512-oTJSNAmBqyDR41uSMunLQKMX0jmEXbwD1fpz8FG27lScV3RhtGfBa1/BBLym+PxcC16IBlF7KH9vP1BUYxA+Eg==",
       "dev": true
     },
     "@octokit/plugin-rest-endpoint-methods": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/@octokit/plugin-rest-endpoint-methods/-/plugin-rest-endpoint-methods-2.0.1.tgz",
-      "integrity": "sha512-1rnQ0j7uu+OUlci69ZXge90EuLMJMariylP7Q3ugk7ZbIHklUbR5mR2PUxOSlOWUtOg8Np4gQQMl7U4q5hLIdg==",
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/@octokit/plugin-rest-endpoint-methods/-/plugin-rest-endpoint-methods-4.2.1.tgz",
+      "integrity": "sha512-QyFr4Bv807Pt1DXZOC5a7L5aFdrwz71UHTYoHVajYV5hsqffWm8FUl9+O7nxRu5PDMtB/IKrhFqTmdBTK5cx+A==",
       "dev": true,
       "requires": {
-        "@octokit/types": "^2.0.1",
+        "@octokit/types": "^5.5.0",
         "deprecation": "^2.3.1"
       }
     },
     "@octokit/request": {
-      "version": "5.3.1",
-      "resolved": "https://registry.npmjs.org/@octokit/request/-/request-5.3.1.tgz",
-      "integrity": "sha512-5/X0AL1ZgoU32fAepTfEoggFinO3rxsMLtzhlUX+RctLrusn/CApJuGFCd0v7GMFhF+8UiCsTTfsu7Fh1HnEJg==",
+      "version": "5.4.10",
+      "resolved": "https://registry.npmjs.org/@octokit/request/-/request-5.4.10.tgz",
+      "integrity": "sha512-egA49HkqEORVGDZGav1mh+VD+7uLgOxtn5oODj6guJk0HCy+YBSYapFkSLFgeYj3Fr18ZULKGURkjyhkAChylw==",
       "dev": true,
       "requires": {
-        "@octokit/endpoint": "^5.5.0",
-        "@octokit/request-error": "^1.0.1",
-        "@octokit/types": "^2.0.0",
+        "@octokit/endpoint": "^6.0.1",
+        "@octokit/request-error": "^2.0.0",
+        "@octokit/types": "^5.0.0",
         "deprecation": "^2.0.0",
-        "is-plain-object": "^3.0.0",
-        "node-fetch": "^2.3.0",
+        "is-plain-object": "^5.0.0",
+        "node-fetch": "^2.6.1",
         "once": "^1.4.0",
-        "universal-user-agent": "^4.0.0"
-      },
-      "dependencies": {
-        "is-plain-object": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-3.0.0.tgz",
-          "integrity": "sha512-tZIpofR+P05k8Aocp7UI/2UTa9lTJSebCXpFFoR9aibpokDj/uXBsJ8luUu0tTVYKkMU6URDUuOfJZ7koewXvg==",
-          "dev": true,
-          "requires": {
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-          }
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-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/isobject/-/isobject-4.0.0.tgz",
-          "integrity": "sha512-S/2fF5wH8SJA/kmwr6HYhK/RI/OkhD84k8ntalo0iJjZikgq1XFvR5M8NPT1x5F7fBwCG3qHfnzeP/Vh/ZxCUA==",
-          "dev": true
-        }
+        "universal-user-agent": "^6.0.0"
       }
     },
     "@octokit/request-error": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@octokit/request-error/-/request-error-1.2.0.tgz",
-      "integrity": "sha512-DNBhROBYjjV/I9n7A8kVkmQNkqFAMem90dSxqvPq57e2hBr7mNTX98y3R2zDpqMQHVRpBDjsvsfIGgBzy+4PAg==",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/@octokit/request-error/-/request-error-2.0.3.tgz",
+      "integrity": "sha512-GgD5z8Btm301i2zfvJLk/mkhvGCdjQ7wT8xF9ov5noQY8WbKZDH9cOBqXzoeKd1mLr1xH2FwbtGso135zGBgTA==",
       "dev": true,
       "requires": {
-        "@octokit/types": "^2.0.0",
+        "@octokit/types": "^5.0.1",
         "deprecation": "^2.0.0",
         "once": "^1.4.0"
       }
     },
     "@octokit/rest": {
-      "version": "16.39.0",
-      "resolved": "https://registry.npmjs.org/@octokit/rest/-/rest-16.39.0.tgz",
-      "integrity": "sha512-pPnZqmmlPT0AWouf/7nmNninGotm8hbfvYepBLbtuU0VuBIkbw/E1zHLg46TvQgOpurmzAnNCtPu/Li+3Q/Zbw==",
+      "version": "18.0.9",
+      "resolved": "https://registry.npmjs.org/@octokit/rest/-/rest-18.0.9.tgz",
+      "integrity": "sha512-CC5+cIx974Ygx9lQNfUn7/oXDQ9kqGiKUC6j1A9bAVZZ7aoTF8K6yxu0pQhQrLBwSl92J6Z3iVDhGhGFgISCZg==",
       "dev": true,
       "requires": {
-        "@octokit/auth-token": "^2.4.0",
-        "@octokit/plugin-paginate-rest": "^1.1.1",
+        "@octokit/core": "^3.0.0",
+        "@octokit/plugin-paginate-rest": "^2.2.0",
         "@octokit/plugin-request-log": "^1.0.0",
-        "@octokit/plugin-rest-endpoint-methods": "^2.0.1",
-        "@octokit/request": "^5.2.0",
-        "@octokit/request-error": "^1.0.2",
-        "atob-lite": "^2.0.0",
-        "before-after-hook": "^2.0.0",
-        "btoa-lite": "^1.0.0",
-        "deprecation": "^2.0.0",
-        "lodash.get": "^4.4.2",
-        "lodash.set": "^4.3.2",
-        "lodash.uniq": "^4.5.0",
-        "octokit-pagination-methods": "^1.1.0",
-        "once": "^1.4.0",
-        "universal-user-agent": "^4.0.0"
+        "@octokit/plugin-rest-endpoint-methods": "4.2.1"
       }
     },
     "@octokit/types": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/@octokit/types/-/types-2.1.1.tgz",
-      "integrity": "sha512-89LOYH+d/vsbDX785NOfLxTW88GjNd0lWRz1DVPVsZgg9Yett5O+3MOvwo7iHgvUwbFz0mf/yPIjBkUbs4kxoQ==",
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/@octokit/types/-/types-5.5.0.tgz",
+      "integrity": "sha512-UZ1pErDue6bZNjYOotCNveTXArOMZQFG6hKJfOnGnulVCMcVVi7YIIuuR4WfBhjo7zgpmzn/BkPDnUXtNx+PcQ==",
       "dev": true,
       "requires": {
         "@types/node": ">= 8"
       }
     },
     "@semantic-release/commit-analyzer": {
-      "version": "7.0.0",
-      "resolved": "https://registry.npmjs.org/@semantic-release/commit-analyzer/-/commit-analyzer-7.0.0.tgz",
-      "integrity": "sha512-t5wMGByv+SknjP2m3rhWN4vmXoQ16g5VFY8iC4/tcbLPvzxK+35xsTIeUsrVFZv3ymdgAQKIr5J3lKjhF/VZZQ==",
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/@semantic-release/commit-analyzer/-/commit-analyzer-8.0.1.tgz",
+      "integrity": "sha512-5bJma/oB7B4MtwUkZC2Bf7O1MHfi4gWe4mA+MIQ3lsEV0b422Bvl1z5HRpplDnMLHH3EXMoRdEng6Ds5wUqA3A==",
       "dev": true,
       "requires": {
         "conventional-changelog-angular": "^5.0.0",
@@ -432,125 +411,16 @@
         "debug": "^4.0.0",
         "import-from": "^3.0.0",
         "lodash": "^4.17.4",
-        "micromatch": "^3.1.10"
+        "micromatch": "^4.0.2"
       },
       "dependencies": {
-        "braces": {
-          "version": "2.3.2",
-          "resolved": "https://registry.npmjs.org/braces/-/braces-2.3.2.tgz",
-          "integrity": "sha512-aNdbnj9P8PjdXU4ybaWLK2IF3jc/EoDYbC7AazW6to3TRsfXxscC9UXOB5iDiEQrkyIbWp2SLQda4+QAa7nc3w==",
-          "dev": true,
-          "requires": {
-            "arr-flatten": "^1.1.0",
-            "array-unique": "^0.3.2",
-            "extend-shallow": "^2.0.1",
-            "fill-range": "^4.0.0",
-            "isobject": "^3.0.1",
-            "repeat-element": "^1.1.2",
-            "snapdragon": "^0.8.1",
-            "snapdragon-node": "^2.0.1",
-            "split-string": "^3.0.2",
-            "to-regex": "^3.0.1"
-          },
-          "dependencies": {
-            "extend-shallow": {
-              "version": "2.0.1",
-              "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-2.0.1.tgz",
-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
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-              }
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-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "version": "4.2.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.2.0.tgz",
+          "integrity": "sha512-IX2ncY78vDTjZMFUdmsvIRFY2Cf4FnD0wRs+nQwJU8Lu99/tPFdb0VybiiMTPe3I6rQmwsqQqRBvxU+bZ/I8sg==",
           "dev": true,
           "requires": {
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-          "version": "4.0.0",
-          "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-4.0.0.tgz",
-          "integrity": "sha1-1USBHUKPmOsGpj3EAtJAPDKMOPc=",
-          "dev": true,
-          "requires": {
-            "extend-shallow": "^2.0.1",
-            "is-number": "^3.0.0",
-            "repeat-string": "^1.6.1",
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-              "integrity": "sha1-Ua99YUrZqfYQ6huvu5idaxxWiQ8=",
-              "dev": true,
-              "requires": {
-                "is-extendable": "^0.1.0"
-              }
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-          "version": "1.1.6",
-          "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
-          "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==",
-          "dev": true
-        },
-        "is-number": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/is-number/-/is-number-3.0.0.tgz",
-          "integrity": "sha1-JP1iAaR4LPUFYcgQJ2r8fRLXEZU=",
-          "dev": true,
-          "requires": {
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-              "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
-              "dev": true,
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-        "micromatch": {
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-          "resolved": "https://registry.npmjs.org/micromatch/-/micromatch-3.1.10.tgz",
-          "integrity": "sha512-MWikgl9n9M3w+bpsY3He8L+w9eF9338xRl8IAO5viDizwSzziFEyUzo2xrrloB64ADbTf8uA8vRqqttDTOmccg==",
-          "dev": true,
-          "requires": {
-            "arr-diff": "^4.0.0",
-            "array-unique": "^0.3.2",
-            "braces": "^2.3.1",
-            "define-property": "^2.0.2",
-            "extend-shallow": "^3.0.2",
-            "extglob": "^2.0.4",
-            "fragment-cache": "^0.2.1",
-            "kind-of": "^6.0.2",
-            "nanomatch": "^1.2.9",
-            "object.pick": "^1.3.0",
-            "regex-not": "^1.0.0",
-            "snapdragon": "^0.8.1",
-            "to-regex": "^3.0.2"
-          }
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-        "to-regex-range": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-2.1.1.tgz",
-          "integrity": "sha1-fIDBe53+vlmeJzZ+DU3VWQFB2zg=",
-          "dev": true,
-          "requires": {
-            "is-number": "^3.0.0",
-            "repeat-string": "^1.6.1"
+            "ms": "2.1.2"
           }
         }
       }
@@ -562,21 +432,21 @@
       "dev": true
     },
     "@semantic-release/github": {
-      "version": "6.0.2",
-      "resolved": "https://registry.npmjs.org/@semantic-release/github/-/github-6.0.2.tgz",
-      "integrity": "sha512-tBE8duwyOB+FXetHucl5wCOlZhNPHN1ipQENxN6roCz22AYYRLRaVYNPjo78F+KNJpb+Gy8DdudH78Qc8VhKtQ==",
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/@semantic-release/github/-/github-7.2.0.tgz",
+      "integrity": "sha512-tMRnWiiWb43whRHvbDGXq4DGEbKRi56glDpXDJZit4PIiwDPX7Kx3QzmwRtDOcG+8lcpGjpdPabYZ9NBxoI2mw==",
       "dev": true,
       "requires": {
-        "@octokit/rest": "^16.27.0",
+        "@octokit/rest": "^18.0.0",
         "@semantic-release/error": "^2.2.0",
         "aggregate-error": "^3.0.0",
         "bottleneck": "^2.18.1",
         "debug": "^4.0.0",
         "dir-glob": "^3.0.0",
-        "fs-extra": "^8.0.0",
-        "globby": "^10.0.0",
+        "fs-extra": "^9.0.0",
+        "globby": "^11.0.0",
         "http-proxy-agent": "^4.0.0",
-        "https-proxy-agent": "^4.0.0",
+        "https-proxy-agent": "^5.0.0",
         "issue-parser": "^6.0.0",
         "lodash": "^4.17.4",
         "mime": "^2.4.3",
@@ -586,46 +456,118 @@
       },
       "dependencies": {
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-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
-      "integrity": "sha512-tJfXmxMeWYnczCVs7XAEvIV7ieppALdyepWMkHkwciRpZraG/xwT+s2JN8+pr1+8jCRf80FFzvr+MpQeeoF4Xg==",
-      "dev": true,
-      "requires": {
-        "arr-union": "^3.1.0",
-        "get-value": "^2.0.6",
-        "is-extendable": "^0.1.1",
-        "set-value": "^2.0.1"
-      }
-    },
     "uniq": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/uniq/-/uniq-1.0.1.tgz",
@@ -12848,22 +11888,19 @@
       "dev": true
     },
     "unique-string": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/unique-string/-/unique-string-1.0.0.tgz",
-      "integrity": "sha1-nhBXzKhRq7kzmPizOuGHuZyuwRo=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/unique-string/-/unique-string-2.0.0.tgz",
+      "integrity": "sha512-uNaeirEPvpZWSgzwsPGtU2zVSTrn/8L5q/IexZmH0eH6SA73CmAA5U4GwORTxQAZs95TAXLNqeLoPPNO5gZfWg==",
       "dev": true,
       "requires": {
-        "crypto-random-string": "^1.0.0"
+        "crypto-random-string": "^2.0.0"
       }
     },
     "universal-user-agent": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-4.0.0.tgz",
-      "integrity": "sha512-eM8knLpev67iBDizr/YtqkJsF3GK8gzDc6st/WKzrTuPtcsOKW/0IdL4cnMBsU69pOx0otavLWBDGTwg+dB0aA==",
-      "dev": true,
-      "requires": {
-        "os-name": "^3.1.0"
-      }
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-6.0.0.tgz",
+      "integrity": "sha512-isyNax3wXoKaulPDZWHQqbmIx1k2tb9fb3GGDBRxCscfYV2Ch7WxPArBsFEG8s/safwXTT7H4QGhaIkTp9447w==",
+      "dev": true
     },
     "universalify": {
       "version": "0.1.2",
@@ -12875,46 +11912,6 @@
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
-    "unset-value": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
-      "integrity": "sha1-g3aHP30jNRef+x5vw6jtDfyKtVk=",
-      "dev": true,
-      "requires": {
-        "has-value": "^0.3.1",
-        "isobject": "^3.0.0"
-      },
-      "dependencies": {
-        "has-value": {
-          "version": "0.3.1",
-          "resolved": "https://registry.npmjs.org/has-value/-/has-value-0.3.1.tgz",
-          "integrity": "sha1-ex9YutpiyoJ+wKIHgCVlSEWZXh8=",
-          "dev": true,
-          "requires": {
-            "get-value": "^2.0.3",
-            "has-values": "^0.1.4",
-            "isobject": "^2.0.0"
-          },
-          "dependencies": {
-            "isobject": {
-              "version": "2.1.0",
-              "resolved": "https://registry.npmjs.org/isobject/-/isobject-2.1.0.tgz",
-              "integrity": "sha1-8GVWEJaj8dou9GJy+BXIQNh+DIk=",
-              "dev": true,
-              "requires": {
-                "isarray": "1.0.0"
-              }
-            }
-          }
-        },
-        "has-values": {
-          "version": "0.1.4",
-          "resolved": "https://registry.npmjs.org/has-values/-/has-values-0.1.4.tgz",
-          "integrity": "sha1-bWHeldkd/Km5oCCJrThL/49it3E=",
-          "dev": true
-        }
-      }
-    },
     "update-notifier": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/update-notifier/-/update-notifier-4.1.0.tgz",
@@ -12990,12 +11987,6 @@
         "punycode": "^2.1.0"
       }
     },
-    "urix": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
-      "integrity": "sha1-2pN/emLiH+wf0Y1Js1wpNQZ6bHI=",
-      "dev": true
-    },
     "url-join": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/url-join/-/url-join-4.0.1.tgz",
@@ -13010,12 +12001,6 @@
         "prepend-http": "^2.0.0"
       }
     },
-    "use": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/use/-/use-3.1.1.tgz",
-      "integrity": "sha512-cwESVXlO3url9YWlFW/TA9cshCEhtu7IKJ/p5soJ/gGpj7vbvFrAY/eIioQ6Dw23KjZhYgiIo8HOs1nQ2vr/oQ==",
-      "dev": true
-    },
     "util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -13132,41 +12117,6 @@
         }
       }
     },
-    "windows-release": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/windows-release/-/windows-release-3.2.0.tgz",
-      "integrity": "sha512-QTlz2hKLrdqukrsapKsINzqMgOUpQW268eJ0OaOpJN32h272waxR9fkB9VoWRtK7uKHG5EHJcTXQBD8XZVJkFA==",
-      "dev": true,
-      "requires": {
-        "execa": "^1.0.0"
-      },
-      "dependencies": {
-        "execa": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
-          "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
-          "dev": true,
-          "requires": {
-            "cross-spawn": "^6.0.0",
-            "get-stream": "^4.0.0",
-            "is-stream": "^1.1.0",
-            "npm-run-path": "^2.0.0",
-            "p-finally": "^1.0.0",
-            "signal-exit": "^3.0.0",
-            "strip-eof": "^1.0.0"
-          }
-        },
-        "get-stream": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
-          "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
-          "dev": true,
-          "requires": {
-            "pump": "^3.0.0"
-          }
-        }
-      }
-    },
     "winston": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/winston/-/winston-3.2.1.tgz",
@@ -13318,6 +12268,12 @@
       "integrity": "sha512-r9S/ZyXu/Xu9q1tYlpsLIsa3EeLXXk0VwlxqTcFRfg9EhMW+17kbt9G0NrgCmhGb5vT2hyhJZLfDGx+7+5Uj/w==",
       "dev": true
     },
+    "yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+      "dev": true
+    },
     "yaml": {
       "version": "1.7.2",
       "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.7.2.tgz",
diff --git a/package.json b/package.json
index a788255..9042eb4 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "test": "export KOA_ENV=test && npm run prep-test && nyc --reporter=text --timeout 15000 ./node_modules/.bin/mocha --exit",
     "lint": "standard --env mocha --fix",
     "docs": "./node_modules/.bin/apidoc -i src/ -o docs",
-    "coverage": "nyc report --reporter=text-lcov | coveralls",
+    "coverage": "export KOA_ENV=test && npm run prep-test && nyc report --reporter=text-lcov | coveralls",
     "coverage:report": "export KOA_ENV=test && npm run prep-test && nyc --reporter=html mocha --exit",
     "prep-test": "node util/users/delete-all-test-users.js"
   },
@@ -47,7 +47,7 @@
     "koa-router": "^9.0.1",
     "koa-static": "^5.0.0",
     "line-reader": "^0.4.0",
-    "mongoose": "^5.7.5",
+    "mongoose": "^5.10.15",
     "nodemailer": "^6.4.10",
     "passport-local": "^1.0.0",
     "winston": "^3.2.1",
@@ -65,7 +65,8 @@
     "husky": "^4.2.5",
     "mocha": "^7.0.1",
     "nyc": "^15.0.0",
-    "semantic-release": "^17.0.0",
+    "semantic-release": "^17.2.3",
+    "sinon": "^9.2.1",
     "standard": "^14.3.1"
   },
   "release": {
diff --git a/src/lib/admin.js b/src/lib/admin.js
index e92b09b..0b6578f 100644
--- a/src/lib/admin.js
+++ b/src/lib/admin.js
@@ -13,8 +13,9 @@
 const axios = require('axios').default
 const mongoose = require('mongoose')
 const User = require('../models/users')
-const jsonFiles = require('./utils/json-files')
 const config = require('../../config')
+const JsonFiles = require('./utils/json-files')
+const jsonFiles = new JsonFiles()
 
 const JSON_FILE = `system-user-${config.env}.json`
 const JSON_PATH = `${__dirname}/../../config/${JSON_FILE}`
@@ -22,125 +23,137 @@ const JSON_PATH = `${__dirname}/../../config/${JSON_FILE}`
 const LOCALHOST = `http://localhost:${config.port}`
 const context = {}
 
-// Create the first user in the system. A 'admin' level system user that is
-// used by the Listing Manager and test scripts, in order access private API
-// functions.
-async function createSystemUser () {
-  // Create the system user.
-  try {
-    context.password = _randomString(20)
+let _this
+class Admin {
+  constructor () {
+    this.axios = axios
+    this.User = User
+    this.config = config
+    this.jsonFiles = jsonFiles
+    this.context = context
 
-    const options = {
-      method: 'POST',
-      url: `${LOCALHOST}/users`,
-      data: {
-        user: {
-          email: 'system@system.com',
-          password: context.password
+    _this = this
+  }
+
+  // Create the first user in the system. A 'admin' level system user that is
+  // used by the Listing Manager and test scripts, in order access private API
+  // functions.
+  async createSystemUser () {
+  // Create the system user.
+    try {
+      context.password = _this._randomString(20)
+
+      const options = {
+        method: 'POST',
+        url: `${LOCALHOST}/users`,
+        data: {
+          user: {
+            email: 'system@system.com',
+            password: context.password
+          }
         }
       }
-    }
-    const result = await axios(options)
+      const result = await _this.axios.request(options)
+      context.email = result.data.user.email
+      context.id = result.data.user._id
+      context.token = result.data.token
 
-    context.email = result.data.user.email
-    context.id = result.data.user._id
-    context.token = result.data.token
+      // Get the mongoDB entry
+      const user = await _this.User.findById(context.id)
 
-    // Get the mongoDB entry
-    const user = await User.findById(context.id)
+      // Change the user type to admin
+      user.type = 'admin'
+      // console.log(`user created: ${JSON.stringify(user, null, 2)}`)
 
-    // Change the user type to admin
-    user.type = 'admin'
-    // console.log(`user: ${JSON.stringify(user, null, 2)}`)
+      // Save the user model.
+      await user.save()
 
-    // Save the user model.
-    await user.save()
+      // console.log(`admin user created: ${JSON.stringify(result.body, null, 2)}`)
+      // console.log(`with password: ${context.password}`)
 
-    // console.log(`admin user created: ${JSON.stringify(result.body, null, 2)}`)
-    // console.log(`with password: ${context.password}`)
+      // Write out the system user information to a JSON file that external
+      // applications like the Task Manager and the test scripts can access.
 
-    // Write out the system user information to a JSON file that external
-    // applications like the Task Manager and the test scripts can access.
-    await jsonFiles.writeJSON(context, JSON_PATH)
+      await jsonFiles.writeJSON(context, JSON_PATH)
 
-    return context
-  } catch (err) {
-    // Handle existing system user.
-    if (err.response.status === 422) {
-      try {
+      return context
+    } catch (err) {
+      // Handle existing system user.
+      if (err.response.status === 422) {
+        try {
         // Delete the existing user
-        await deleteExistingSystemUser()
+          await _this.deleteExistingSystemUser()
 
-        // Call this function again.
-        return createSystemUser()
-      } catch (err2) {
-        console.error('Error in admin.js/createSystemUser() while trying generate new system user.')
+          // Call this function again.
+          return _this.createSystemUser()
+        } catch (err2) {
+          console.error('Error in admin.js/createSystemUser() while trying generate new system user.')
+          // process.end(1)
+          throw err2
+        }
+      } else {
+        console.log('Error in admin.js/createSystemUser: ')
         // process.end(1)
-        throw err2
+        throw err
       }
-    } else {
-      console.log('Error in admin.js/createSystemUser: ' + JSON.stringify(err, null, 2))
-      // process.end(1)
+    }
+  }
+
+  async deleteExistingSystemUser () {
+    try {
+      mongoose.Promise = global.Promise
+      mongoose.set('useCreateIndex', true) // Stop deprecation warning.
+
+      await mongoose.connect(config.database, { useNewUrlParser: true, useUnifiedTopology: true })
+
+      await _this.User.deleteOne({ email: 'system@system.com' })
+    } catch (err) {
+      console.log('Error in admin.js/deleteExistingSystemUser()')
       throw err
     }
   }
-}
 
-async function deleteExistingSystemUser () {
-  try {
-    mongoose.Promise = global.Promise
-    mongoose.set('useCreateIndex', true) // Stop deprecation warning.
+  async loginAdmin () {
+    // console.log(`loginAdmin() running.`)
+    let existingUser
 
-    await mongoose.connect(config.database, { useNewUrlParser: true, useUnifiedTopology: true })
+    try {
+      // Read the exising file
+      existingUser = await _this.jsonFiles.readJSON(JSON_PATH)
+      // console.log(`existingUser: ${JSON.stringify(existingUser, null, 2)}`)
 
-    await User.deleteOne({ email: 'system@system.com' })
-  } catch (err) {
-    console.log('Error in admin.js/deleteExistingSystemUser()')
-    throw err
-  }
-}
-
-async function loginAdmin () {
-  // console.log(`loginAdmin() running.`)
-  let existingUser
-
-  try {
-    // Read the exising file
-    existingUser = await jsonFiles.readJSON(JSON_PATH)
-    // console.log(`existingUser: ${JSON.stringify(existingUser, null, 2)}`)
-
-    // Log in as the user.
-    const options = {
-      method: 'POST',
-      url: `${LOCALHOST}/auth`,
-      data: {
-        email: 'system@system.com',
-        password: existingUser.password
+      // Log in as the user.
+      const options = {
+        method: 'POST',
+        url: `${LOCALHOST}/auth`,
+        headers: {
+          Accept: 'application/json'
+        },
+        data: {
+          email: 'system@system.com',
+          password: existingUser.password
+        }
       }
+      const result = await _this.axios.request(options)
+      // console.log(`result1: ${JSON.stringify(result, null, 2)}`)
+      return result
+    } catch (err) {
+      console.error('Error in admin.js/loginAdmin().')
+
+      // console.error(`existingUser: ${JSON.stringify(existingUser, null, 2)}`)
+
+      throw err
     }
-    const result = await axios(options)
-    // console.log(`result1: ${JSON.stringify(result, null, 2)}`)
+  }
 
-    return result
-  } catch (err) {
-    console.error('Error in admin.js/loginAdmin().')
-
-    // console.error(`existingUser: ${JSON.stringify(existingUser, null, 2)}`)
-
-    throw err
+  _randomString (length) {
+    var text = ''
+    var possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
+    for (var i = 0; i < length; i++) {
+      text += possible.charAt(Math.floor(Math.random() * possible.length))
+    }
+    return text
   }
 }
 
-function _randomString (length) {
-  var text = ''
-  var possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
-  for (var i = 0; i < length; i++) {
-    text += possible.charAt(Math.floor(Math.random() * possible.length))
-  }
-  return text
-}
-
-module.exports = {
-  createSystemUser,
-  loginAdmin
-}
+module.exports = Admin
diff --git a/src/lib/nodemailer.js b/src/lib/nodemailer.js
index f839682..4835bfe 100644
--- a/src/lib/nodemailer.js
+++ b/src/lib/nodemailer.js
@@ -17,6 +17,20 @@ class NodeMailer {
     this.config = config
 
     _this = this
+    _this.transporter = _this.createTransporter()
+  }
+
+  createTransporter () {
+    const transporter = _this.nodemailer.createTransport({
+      host: _this.config.emailServer,
+      port: 587,
+      secure: false, // true for 465, false for other ports
+      auth: {
+        user: _this.config.emailUser, // generated ethereal user
+        pass: _this.config.emailPassword // generated ethereal password
+      }
+    })
+    return transporter
   }
 
   // Validate email
@@ -44,10 +58,7 @@ class NodeMailer {
         throw new Error("Property 'to' must be a array!")
       }
 
-      const isEmailList = await _this.validateEmailArray(data.to)
-      if (!isEmailList) {
-        throw new Error("Property 'to' must be array of email format!")
-      }
+      await _this.validateEmailArray(data.to)
 
       if (!data.formMessage || typeof data.formMessage !== 'string') {
         throw new Error("Property 'message' must be a string!")
@@ -61,18 +72,6 @@ class NodeMailer {
         throw new Error("Property 'payloadTitle' must be a string!")
       }
 
-      // create reusable transporter object using the default SMTP transport
-      const transporter = await _this.nodemailer.createTransport({
-        host: _this.config.emailServer,
-        port: 587,
-        secure: false, // true for 465, false for other ports
-        auth: {
-          user: _this.config.emailUser, // generated ethereal user
-          pass: _this.config.emailPassword // generated ethereal password
-        }
-      })
-      // console.log(`transporter: ${JSON.stringify(transporter)}`)
-
       const msg = data.formMessage.replace(/(\r\n|\n|\r)/g, '<br />')
 
       const now = new Date()
@@ -115,7 +114,7 @@ class NodeMailer {
                                ${htmlData}
                              </p>`
       // send mail with defined transport object
-      const info = await transporter.sendMail({
+      const info = await _this.transporter.sendMail({
         // from: `${data.email}`, // sender address
         from: 'noreply@launchpadip.net',
         to: `${to}`, // list of receivers
@@ -125,8 +124,9 @@ class NodeMailer {
         html: htmlMsg
       })
       console.log('Message sent: %s', info.messageId)
+      return info
     } catch (err) {
-      console.log('Error in sendEmail()')
+      wlogger.error('Error in lib/nodemailer.js/sendEmail()')
       throw err
     }
   }
diff --git a/src/lib/utils/json-files.js b/src/lib/utils/json-files.js
index 1e882b4..1c8031c 100644
--- a/src/lib/utils/json-files.js
+++ b/src/lib/utils/json-files.js
@@ -1,61 +1,75 @@
 /*
   A utility file for reading and writing JSON files.
 */
-
 'use strict'
-
 const fs = require('fs')
 
-// Writes out a JSON file of any object passed to the function.
-// This is used for testing.
-function writeJSON (obj, fileName) {
-  return new Promise(function (resolve, reject) {
-    try {
-      const fileStr = JSON.stringify(obj, null, 2)
+let _this
 
-      fs.writeFile(fileName, fileStr, function (err) {
-        if (err) {
-          console.error('Error while trying to write file: ', err)
-          return reject(err)
-        } else {
-          // console.log(`${fileName} written successfully!`)
-          return resolve()
+class JsonFiles {
+  constructor () {
+    this.fs = fs
+
+    _this = this
+  }
+
+  // Writes out a JSON file of any object passed to the function.
+  // This is used for testing.
+  writeJSON (obj, fileName) {
+    return new Promise(function (resolve, reject) {
+      try {
+        if (!obj) {
+          throw new Error('obj property is required')
         }
-      })
-    } catch (err) {
-      console.error('Error trying to write out object in util.js/_writeJSON().', err)
-      return reject(err)
-    }
-  })
-}
+        if (!fileName || typeof fileName !== 'string') {
+          throw new Error('fileName property must be a string')
+        }
+        const fileStr = JSON.stringify(obj, null, 2)
 
-// Read and parse a JSON file.
-function readJSON (fileName) {
-  return new Promise(function (resolve, reject) {
-    try {
-      fs.readFile(fileName, (err, data) => {
-        if (err) {
-          if (err.code === 'ENOENT') {
-            console.log('Admin .json file not found!')
+        _this.fs.writeFile(fileName, fileStr, function (err) {
+          if (err) {
+            console.error('Error while trying to write file: ')
+            throw err
           } else {
-            console.log(`err: ${JSON.stringify(err, null, 2)}`)
+            // console.log(`${fileName} written successfully!`)
+            return resolve()
+          }
+        })
+      } catch (err) {
+        console.error('Error trying to write out object in util.js/_writeJSON().')
+        return reject(err)
+      }
+    })
+  }
+
+  readJSON (fileName) {
+    return new Promise(function (resolve, reject) {
+      try {
+        if (!fileName || typeof fileName !== 'string') {
+          throw new Error('fileName property must be a string')
+        }
+
+        _this.fs.readFile(fileName, (err, data) => {
+          if (err) {
+            if (err.code === 'ENOENT') {
+              console.log('Admin .json file not found!')
+            } else {
+              console.log(`err: ${JSON.stringify(err, null, 2)}`)
+            }
+
+            throw err
           }
 
-          return reject(err)
-        }
+          const obj = JSON.parse(data)
 
-        const obj = JSON.parse(data)
-
-        return resolve(obj)
-      })
-    } catch (err) {
-      console.error('Error trying to read JSON file in util.js/_readJSON().', err)
-      return reject(err)
-    }
-  })
+          return resolve(obj)
+        })
+      } catch (err) {
+        console.error('Error trying to read JSON file in util.js/_readJSON().')
+        return reject(err)
+      }
+    })
+  }
 }
 
-module.exports = {
-  writeJSON,
-  readJSON
-}
+module.exports = JsonFiles
diff --git a/src/middleware/validators.js b/src/middleware/validators.js
index d17773a..3de4f21 100644
--- a/src/middleware/validators.js
+++ b/src/middleware/validators.js
@@ -4,124 +4,146 @@ const getToken = require('../lib/auth')
 const jwt = require('jsonwebtoken')
 const wlogger = require('../lib/wlogger')
 
-async function ensureUser (ctx, next) {
-  // console.log(`getToken: ${typeof (getToken)}`)
-  const token = getToken(ctx)
+let _this
 
-  if (!token) {
-    // console.log(`Err: Token not provided.`)
-    ctx.throw(401)
+class Validators {
+  constructor () {
+    this.User = User
+    this.getToken = getToken
+    this.jwt = jwt
+    this.config = config
+
+    _this = this
   }
 
-  let decoded = null
-  try {
-    // console.log(`token: ${JSON.stringify(token, null, 2)}`)
-    // console.log(`config: ${JSON.stringify(config, null, 2)}`)
-    decoded = jwt.verify(token, config.token)
-  } catch (err) {
-    // console.log(`Err: Token could not be decoded: ${err}`)
-    ctx.throw(401)
-  }
+  async ensureUser (ctx, next) {
+    try {
+      // console.log(`getToken: ${typeof (getToken)}`)
+      const token = _this.getToken(ctx)
 
-  ctx.state.user = await User.findById(decoded.id, '-password')
-  if (!ctx.state.user) {
-    // console.log(`Err: Could not find user.`)
-    ctx.throw(401)
-  }
+      if (!token) {
+      // console.log(`Err: Token not provided.`)
+        ctx.throw(401)
+      }
 
-  return next()
-}
+      let decoded = null
+      try {
+      // console.log(`token: ${JSON.stringify(token, null, 2)}`)
+      // console.log(`config: ${JSON.stringify(config, null, 2)}`)
+        decoded = _this.jwt.verify(token, config.token)
+      } catch (err) {
+      // console.log(`Err: Token could not be decoded: ${err}`)
+        ctx.throw(401)
+      }
 
-// This funciton is almost identical to ensureUser, except at the end, it verifies
-// that the 'type' associated with the user equals 'admin'.
-async function ensureAdmin (ctx, next) {
-  // console.log(`getToken: ${typeof (getToken)}`)
-  const token = getToken(ctx)
+      ctx.state.user = await _this.User.findById(decoded.id, '-password')
+      if (!ctx.state.user) {
+      // console.log(`Err: Could not find user.`)
+        ctx.throw(401)
+      }
 
-  if (!token) {
-    // console.log(`Err: Token not provided.`)
-    ctx.throw(401)
-  }
-
-  let decoded = null
-  try {
-    // console.log(`token: ${JSON.stringify(token, null, 2)}`)
-    // console.log(`config: ${JSON.stringify(config, null, 2)}`)
-    decoded = jwt.verify(token, config.token)
-  } catch (err) {
-    // console.log(`Err: Token could not be decoded: ${err}`)
-    ctx.throw(401)
-  }
-
-  ctx.state.user = await User.findById(decoded.id, '-password')
-  if (!ctx.state.user) {
-    // console.log(`Err: Could not find user.`)
-    ctx.throw(401)
-  }
-
-  if (ctx.state.user.type !== 'admin') {
-    ctx.throw(401, 'not admin')
-  }
-
-  return next()
-}
-
-// This middleware ensures that the :id used in the API endpoint matches the
-// the ID used in the JWT, or failing that, the ID used in the JWT matches
-// an Admin user. This prevents situations like users updating other users
-// profiles or non-admins deleting users.
-// TODO Tests must be developed before developing this function.
-async function ensureTargetUserOrAdmin (ctx, next) {
-  // console.log(`getToken: ${typeof (getToken)}`)
-  const token = getToken(ctx)
-
-  if (!token) {
-    // console.log(`Err: Token not provided.`)
-    ctx.throw(401)
-  }
-
-  // The user ID targeted in this API call.
-  const targetId = ctx.params.id
-  // console.log(`targetId: ${JSON.stringify(targetId, null, 2)}`)
-
-  let decoded = null
-  try {
-    // console.log(`token: ${JSON.stringify(token, null, 2)}`)
-    // console.log(`config: ${JSON.stringify(config, null, 2)}`)
-    decoded = jwt.verify(token, config.token)
-  } catch (err) {
-    // console.log(`Err: Token could not be decoded: ${err}`)
-    ctx.throw(401)
-  }
-
-  ctx.state.user = await User.findById(decoded.id, '-password')
-  if (!ctx.state.user) {
-    // console.log(`Err: Could not find user.`)
-    ctx.throw(401)
-  }
-
-  // console.log(`ctx.state.user: ${JSON.stringify(ctx.state.user, null, 2)}`)
-  // Ensure the calling user and the target user are the same.
-  if (ctx.state.user._id.toString() !== targetId.toString()) {
-    wlogger.verbose(
-      `Calling user and target user do not match! Calling user: ${
-        ctx.state.user._id
-      }, Target user: ${targetId}`
-    )
-
-    // If they don't match, then the calling user better be an admin.
-    if (ctx.state.user.type !== 'admin') {
-      ctx.throw(401, 'not admin')
-    } else {
-      wlogger.verbose('It\'s ok. The user is an admin.')
+      return next()
+    } catch (error) {
+      ctx.throw(401)
     }
   }
 
-  return next()
+  // This funciton is almost identical to ensureUser, except at the end, it verifies
+  // that the 'type' associated with the user equals 'admin'.
+  async ensureAdmin (ctx, next) {
+    try {
+      // console.log(`getToken: ${typeof (getToken)}`)
+      const token = _this.getToken(ctx)
+
+      if (!token) {
+        // console.log(`Err: Token not provided.`)
+        ctx.throw(401)
+      }
+
+      let decoded = null
+      try {
+        // console.log(`token: ${JSON.stringify(token, null, 2)}`)
+        // console.log(`config: ${JSON.stringify(config, null, 2)}`)
+        decoded = _this.jwt.verify(token, config.token)
+      } catch (err) {
+        // console.log(`Err: Token could not be decoded: ${err}`)
+        ctx.throw(401)
+      }
+
+      ctx.state.user = await _this.User.findById(decoded.id, '-password')
+      if (!ctx.state.user) {
+        // console.log(`Err: Could not find user.`)
+        ctx.throw(401)
+      }
+
+      if (ctx.state.user.type !== 'admin') {
+        ctx.throw(401, 'not admin')
+      }
+
+      return next()
+    } catch (error) {
+      ctx.throw(401, error.message)
+    }
+  }
+
+  // This middleware ensures that the :id used in the API endpoint matches the
+  // the ID used in the JWT, or failing that, the ID used in the JWT matches
+  // an Admin user. This prevents situations like users updating other users
+  // profiles or non-admins deleting users.
+  // TODO Tests must be developed before developing this function.
+  async ensureTargetUserOrAdmin (ctx, next) {
+    try {
+      // console.log(`getToken: ${typeof (getToken)}`)
+      const token = _this.getToken(ctx)
+
+      if (!token) {
+        // console.log(`Err: Token not provided.`)
+        ctx.throw(401)
+      }
+
+      // The user ID targeted in this API call.
+      const targetId = ctx.params.id
+      // console.log(`targetId: ${JSON.stringify(targetId, null, 2)}`)
+
+      let decoded = null
+      try {
+        // console.log(`token: ${JSON.stringify(token, null, 2)}`)
+        // console.log(`config: ${JSON.stringify(config, null, 2)}`)
+        decoded = _this.jwt.verify(token, config.token)
+      } catch (err) {
+        // console.log(`Err: Token could not be decoded: ${err}`)
+        ctx.throw(401)
+      }
+
+      ctx.state.user = await _this.User.findById(decoded.id, '-password')
+      if (!ctx.state.user) {
+        // console.log(`Err: Could not find user.`)
+        ctx.throw(401)
+      }
+
+      // console.log(`ctx.state.user: ${JSON.stringify(ctx.state.user, null, 2)}`)
+      // Ensure the calling user and the target user are the same.
+
+      if (ctx.state.user._id.toString() !== targetId.toString()) {
+        wlogger.verbose(
+      `Calling user and target user do not match! Calling user: ${
+        ctx.state.user._id
+      }, Target user: ${targetId}`
+        )
+
+        // If they don't match, then the calling user better be an admin.
+        if (ctx.state.user.type !== 'admin') {
+          ctx.throw(401, 'not admin')
+        } else {
+          wlogger.verbose('It\'s ok. The user is an admin.')
+        }
+      }
+
+      return next()
+    } catch (error) {
+      ctx.throw(401, error.message)
+    }
+  }
 }
 
-module.exports = {
-  ensureUser,
-  ensureAdmin,
-  ensureTargetUserOrAdmin
-}
+module.exports = Validators
diff --git a/src/modules/contact/controller.js b/src/modules/contact/controller.js
index 504762b..8aac25b 100644
--- a/src/modules/contact/controller.js
+++ b/src/modules/contact/controller.js
@@ -65,11 +65,13 @@ class Contact {
         success: true
       }
     } catch (err) {
-      ctx.body = {
-        success: false
-      }
+      // ctx.body = {
+      //   success: false
+      // }
       // console.error(`Error: `, err)
-      throw err
+      // throw err
+
+      ctx.throw(422, err.message)
     }
   }
 }
diff --git a/src/modules/logapi/controller.js b/src/modules/logapi/controller.js
index 5759f44..7dbf572 100644
--- a/src/modules/logapi/controller.js
+++ b/src/modules/logapi/controller.js
@@ -8,6 +8,9 @@ let _this
 class LogsApi {
   constructor () {
     _this = this
+    _this.fs = fs
+    _this.lineReader = lineReader
+    _this.config = config
   }
 
   /**
@@ -56,30 +59,29 @@ class LogsApi {
       // console.log(`password: ${password}`)
 
       // Password matches the password set in the config file.
-      if (password === config.logPass) {
+      if (password === _this.config.logPass) {
         // Generate the full path and file name for the current log file.
         const fullPath = _this.generateFileName()
+        // console.log(`fullPath: ${JSON.stringify(fullPath, null, 2)}`)
 
         // Throw an error if the file does not exist.
-        fs.stat(fullPath, (err, stat) => {
-          if (err) {
-            ctx.body = {
-              success: false,
-              data: 'file does not exist'
-            }
+        if (!_this.fs.existsSync(fullPath)) {
+          ctx.body = {
+            success: false,
+            data: 'file does not exist'
           }
-        })
+        } else {
+          // Read in the data from the log file.
+          const data = await _this.readLines(fullPath)
+          // console.log(`data: ${JSON.stringify(data, null, 2)}`)
 
-        // Read in the data from the log file.
-        const data = await _this.readLines(fullPath)
-        // console.log(`data: ${JSON.stringify(data, null, 2)}`)
+          // Filter the logs before passing them to the front end.
+          const filteredData = _this.filterLogs(data)
 
-        // Filter the logs before passing them to the front end.
-        const filteredData = _this.filterLogs(data)
-
-        ctx.body = {
-          success: true,
-          data: filteredData
+          ctx.body = {
+            success: true,
+            data: filteredData
+          }
         }
 
         // Password does not match password in config file.
@@ -89,21 +91,23 @@ class LogsApi {
         }
       }
     } catch (err) {
-      if (err) {
+      if (err && err.message) {
         ctx.throw(500, err.message)
       } else {
         ctx.throw(500, 'Unhandled error')
-        console.log('unhandled error: ', err)
       }
     }
   }
 
   // Sorts the log data by their timestamp. Returns the LIMIT or less elements.
-  filterLogs (data) {
+  filterLogs (data, LIMIT = 100) {
     try {
+      if (!Array.isArray(data)) {
+        throw new Error('Data must be array')
+      }
       // console.log(`data: ${JSON.stringify(data, null, 2)}`)
 
-      const LIMIT = 100 // Max number of entries to return.
+      // const LIMIT = 100 // Max number of entries to return.
 
       // Sort the elements by date.
       data.sort(function (a, b) {
@@ -142,7 +146,7 @@ class LogsApi {
       const thisYear = now.getFullYear()
 
       const filename = `koa-${
-        config.env
+        _this.config.env
       }-${thisYear}-${thisMonth}-${thisDate}.log`
       // console.log(`filename: ${filename}`)
       const logDir = `${__dirname}/../../../logs/`
@@ -157,23 +161,33 @@ class LogsApi {
   }
 
   // Promise based read-file
-  readFile (path, opts = 'utf8') {
+  /*   readFile (path, opts = 'utf8') {
     return new Promise((resolve, reject) => {
-      fs.readFile(path, opts, (err, data) => {
+      _this.fs.readFile(path, opts, (err, data) => {
         if (err) reject(err)
         else resolve(data)
       })
     })
-  }
+  } */
 
   // Returns an array with each element containing a line of the file.
   readLines (filename) {
     return new Promise((resolve, reject) => {
       try {
+        if (!filename || typeof filename !== 'string') {
+          throw new Error('filename must be a string')
+        }
+        // Throw an error if the file does not exist.
+
+        if (!_this.fs.existsSync(filename)) {
+          throw new Error('file does not exist')
+        }
+
         const data = []
+
         // let i = 0
 
-        lineReader.eachLine(filename, function (line, last) {
+        _this.lineReader.eachLine(filename, function (line, last) {
           try {
             data.push(JSON.parse(line))
 
@@ -183,7 +197,8 @@ class LogsApi {
 
             if (last) return resolve(data)
           } catch (err) {
-            console.log('err: ', err)
+            // console.log('err: ', err)
+            if (last) return resolve(data)
           }
         })
       } catch (err) {
diff --git a/src/modules/users/controller.js b/src/modules/users/controller.js
index bb5adaf..47418b6 100644
--- a/src/modules/users/controller.js
+++ b/src/modules/users/controller.js
@@ -47,15 +47,14 @@ class UserController {
    *     }
    */
   async createUser (ctx) {
-    const user = new _this.User(ctx.request.body.user)
-
+    const userObj = ctx.request.body.user
     try {
       /*
        * ERROR HANDLERS
        *
        */
       // Required property
-      if (!user.email || typeof user.email !== 'string') {
+      if (!userObj.email || typeof userObj.email !== 'string') {
         throw new Error("Property 'email' must be a string!")
       }
 
@@ -66,14 +65,15 @@ class UserController {
       //   throw new Error("Property 'email' must be email format!")
       // }
 
-      if (!user.password || typeof user.password !== 'string') {
+      if (!userObj.password || typeof userObj.password !== 'string') {
         throw new Error("Property 'password' must be a string!")
       }
 
-      if (user.name && typeof user.name !== 'string') {
+      if (userObj.name && typeof userObj.name !== 'string') {
         throw new Error("Property 'name' must be a string!")
       }
 
+      const user = new _this.User(userObj)
       // Enforce default value of 'user'
       user.type = 'user'
 
@@ -160,6 +160,7 @@ class UserController {
    *
    * @apiUse TokenError
    */
+
   async getUser (ctx, next) {
     try {
       const user = await _this.User.findById(ctx.params.id, '-password')
@@ -171,12 +172,18 @@ class UserController {
         user
       }
     } catch (err) {
-      if (err === 404 || err.name === 'CastError') {
+      // Handle different error types.
+      if (
+        err === 404 ||
+        err.name === 'CastError' ||
+        err.message.toString().includes('Not Found')
+      ) {
         ctx.throw(404)
       }
 
       ctx.throw(500)
     }
+
     if (next) {
       return next()
     }
@@ -239,7 +246,8 @@ class UserController {
       if (userObj.email && typeof userObj.email !== 'string') {
         throw new Error("Property 'email' must be a string!")
       }
-      const isEmail = await _this.validateEmail(user.email)
+
+      const isEmail = await _this.validateEmail(userObj.email)
       if (userObj.email && !isEmail) {
         throw new Error("Property 'email' must be email format!")
       }
diff --git a/src/modules/users/router.js b/src/modules/users/router.js
index f79b6f2..20d4869 100644
--- a/src/modules/users/router.js
+++ b/src/modules/users/router.js
@@ -1,4 +1,6 @@
-const validator = require('../../middleware/validators')
+const VALIDATOR = require('../../middleware/validators')
+const validator = new VALIDATOR()
+
 const CONTROLLER = require('./controller')
 const controller = new CONTROLLER()
 
diff --git a/test/a02-users.spec.js b/test/a02-users.spec.js
index 84cb249..8176537 100644
--- a/test/a02-users.spec.js
+++ b/test/a02-users.spec.js
@@ -2,6 +2,7 @@ const testUtils = require('./utils')
 const assert = require('chai').assert
 const config = require('../config')
 const axios = require('axios').default
+const sinon = require('sinon')
 
 const util = require('util')
 util.inspect.defaultOptions = { depth: 1 }
@@ -10,6 +11,12 @@ const LOCALHOST = `http://localhost:${config.port}`
 
 const context = {}
 
+const UserController = require('../src/modules/users/controller')
+let uut
+let sandbox
+
+const mockContext = require('./mocks/ctx-mock').context
+
 describe('Users', () => {
   before(async () => {
     // console.log(`config: ${JSON.stringify(config, null, 2)}`)
@@ -38,6 +45,14 @@ describe('Users', () => {
     // console.log(`admin: ${JSON.stringify(admin, null, 2)}`)
   })
 
+  beforeEach(() => {
+    uut = new UserController()
+
+    sandbox = sinon.createSandbox()
+  })
+
+  afterEach(() => sandbox.restore())
+
   describe('POST /users', () => {
     it('should reject signup when data is incomplete', async () => {
       try {
@@ -49,11 +64,11 @@ describe('Users', () => {
           }
         }
 
-        const result = await axios(options)
+        await axios(options)
 
-        console.log(
+        /*      console.log(
           `result stringified: ${JSON.stringify(result.data, null, 2)}`
-        )
+        ) */
         assert(false, 'Unexpected result')
       } catch (err) {
         assert(err.response.status === 422, 'Error code 422 expected.')
@@ -128,6 +143,28 @@ describe('Users', () => {
       }
     })
 
+    it('should reject  if name property property is not string', async () => {
+      try {
+        const options = {
+          method: 'POST',
+          url: `${LOCALHOST}/users`,
+          data: {
+            user: {
+              email: 'test322@test.com',
+              password: 'supersecretpassword',
+              name: 1234
+            }
+          }
+        }
+        await axios(options)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.response.status, 422)
+        assert.include(err.response.data, "Property 'name' must be a string")
+      }
+    })
+
     it("should signup of type 'user' by default", async () => {
       const options = {
         method: 'post',
@@ -251,6 +288,22 @@ describe('Users', () => {
       assert.hasAnyKeys(users[0], ['type', '_id', 'email'])
       assert.isNumber(users.length)
     })
+
+    it('should catch and handle errors', async () => {
+      try {
+        // Force an error
+        sandbox.stub(uut.User, 'find').rejects(new Error('test error'))
+
+        // Mock the context object.
+        const ctx = mockContext()
+
+        await uut.getUsers(ctx)
+
+        assert.fail('Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'Not Found')
+      }
+    })
   })
 
   describe('GET /users/:id', () => {
@@ -321,6 +374,40 @@ describe('Users', () => {
         'Password property should not be returned'
       )
     })
+
+    it('should catch and handle errors', async () => {
+      try {
+        // Force an error
+        sandbox.stub(uut.User, 'findById').rejects(new Error('test error'))
+
+        // Mock the context object.
+        const ctx = mockContext()
+
+        await uut.getUser(ctx)
+
+        assert.fail('Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'Internal Server Error')
+      }
+    })
+
+    it('should handle user not found', async () => {
+      try {
+        // Force an error
+        sandbox.stub(uut.User, 'findById').resolves(false)
+
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.params = { id: 1 }
+
+        await uut.getUser(ctx)
+
+        assert.fail('Unexpected result')
+      } catch (err) {
+        // console.log(err)
+        assert.include(err.message, 'Not Found')
+      }
+    })
   })
 
   describe('PUT /users/:id', () => {
@@ -362,6 +449,240 @@ describe('Users', () => {
       }
     })
 
+    it('should not be able to update user type', async () => {
+      try {
+        const options = {
+          method: 'PUT',
+          url: `${LOCALHOST}/users/${context.user._id.toString()}`,
+          headers: {
+            Authorization: `Bearer ${context.token}`
+          },
+          data: {
+            user: {
+              name: 'new name',
+              type: 'test'
+            }
+          }
+        }
+        await axios(options)
+
+        // console.log(`Users: ${JSON.stringify(result.data, null, 2)}`)
+
+        // assert(result.status === 200, 'Status Code 200 expected.')
+        // assert(result.data.user.type === 'user', 'Type should be unchanged.')
+        assert.equal(true, false, 'Unexpected behavior')
+      } catch (err) {
+        assert.equal(err.response.status, 422)
+        assert.include(
+          err.response.data,
+          "Property 'type' can only be changed by Admin user"
+        )
+      }
+    })
+
+    it('should not be able to update other user when not admin', async () => {
+      try {
+        const options = {
+          method: 'PUT',
+          url: `${LOCALHOST}/users/${context.user2._id.toString()}`,
+          headers: {
+            Authorization: `Bearer ${context.token}`
+          },
+          data: {
+            user: {
+              name: 'This should not work'
+            }
+          }
+        }
+        await axios(options)
+
+        // console.log(`result: ${JSON.stringify(result.data, null, 2)}`)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.response.status, 401)
+      }
+    })
+
+    it('should not be able to update if name property is wrong', async () => {
+      try {
+        const _id = context.user._id
+        const token = context.token
+
+        const options = {
+          method: 'PUT',
+          url: `${LOCALHOST}/users/${_id}`,
+          headers: {
+            Accept: 'application/json',
+            Authorization: `Bearer ${token}`
+          },
+          data: {
+            user: {
+              email: 'testToUpdate@test.com',
+              name: {}
+            }
+          }
+        }
+        await axios(options)
+      } catch (error) {
+        assert.equal(error.response.status, 422)
+        assert.include(error.response.data, "Property 'name' must be a string!")
+      }
+    })
+    it('should not be able to update if password property is not string', async () => {
+      const { token } = context
+      const _id = context.user._id
+      try {
+        const options = {
+          method: 'PUT',
+          url: `${LOCALHOST}/users/${_id}`,
+          headers: {
+            Accept: 'application/json',
+            Authorization: `Bearer ${token}`
+          },
+          data: {
+            user: {
+              password: 1234
+            }
+          }
+        }
+        await axios(options)
+
+        assert.equal(true, false, 'Unexpected behavior')
+      } catch (err) {
+        assert.equal(err.response.status, 422)
+        assert.include(
+          err.response.data,
+          "Property 'password' must be a string!"
+        )
+      }
+    })
+    it('should not be able to update if project property is not array', async () => {
+      const { token } = context
+      const _id = context.user._id
+      try {
+        const options = {
+          method: 'PUT',
+          url: `${LOCALHOST}/users/${_id}`,
+          headers: {
+            Accept: 'application/json',
+            Authorization: `Bearer ${token}`
+          },
+          data: {
+            user: {
+              projects: 'projects'
+            }
+          }
+        }
+        await axios(options)
+
+        assert.equal(true, false, 'Unexpected behavior')
+      } catch (err) {
+        assert.equal(err.response.status, 422)
+        assert.include(
+          err.response.data,
+          "Property 'projects' must be a Array!"
+        )
+      }
+    })
+    it('should not be able to update if email is not string', async () => {
+      const { token } = context
+      const _id = context.user._id
+      try {
+        const options = {
+          method: 'PUT',
+          url: `${LOCALHOST}/users/${_id}`,
+          headers: {
+            Accept: 'application/json',
+            Authorization: `Bearer ${token}`
+          },
+          data: {
+            user: {
+              email: 1234
+            }
+          }
+        }
+        await axios(options)
+
+        assert.equal(true, false, 'Unexpected behavior')
+      } catch (err) {
+        assert.equal(err.response.status, 422)
+        assert.include(err.response.data, "Property 'email' must be a string!")
+      }
+    })
+    it('should not be able to update if email is wrong format', async () => {
+      try {
+        const _id = context.user._id
+        const token = context.token
+
+        const options = {
+          method: 'PUT',
+          url: `${LOCALHOST}/users/${_id}`,
+          headers: {
+            Accept: 'application/json',
+            Authorization: `Bearer ${token}`
+          },
+          data: {
+            user: {
+              email: 'badEmailFormat'
+            }
+          }
+        }
+        await axios(options)
+      } catch (err) {
+        assert.equal(err.response.status, 422)
+        assert.include(
+          err.response.data,
+          "Property 'email' must be email format!"
+        )
+      }
+    })
+    it('should not be able to update type property if is not string', async () => {
+      try {
+        const _id = context.user._id
+        const token = context.token
+
+        const options = {
+          method: 'PUT',
+          url: `${LOCALHOST}/users/${_id}`,
+          headers: {
+            Accept: 'application/json',
+            Authorization: `Bearer ${token}`
+          },
+          data: {
+            user: {
+              type: 1
+            }
+          }
+        }
+        await axios(options)
+      } catch (err) {
+        assert.equal(err.response.status, 422)
+        assert.include(err.response.data, "Property 'type' must be a string!")
+      }
+    })
+
+    it('should be able to update other user when admin', async () => {
+      const adminJWT = context.adminJWT
+
+      const options = {
+        method: 'PUT',
+        url: `${LOCALHOST}/users/${context.user2._id.toString()}`,
+        headers: {
+          Authorization: `Bearer ${adminJWT}`
+        },
+        data: {
+          user: {
+            name: 'This should work'
+          }
+        }
+      }
+      const result = await axios(options)
+      // console.log(`result stringified: ${JSON.stringify(result, null, 2)}`)
+
+      const userName = result.data.user.name
+      assert.equal(userName, 'This should work')
+    })
     it('should update user with minimum inputs', async () => {
       const _id = context.user._id
       const token = context.token
@@ -435,134 +756,6 @@ describe('Users', () => {
       assert.equal(user.email, 'testToUpdate@test.com')
       assert.equal(user.username, 'myUsername')
     })
-
-    it('should not be able to update user type', async () => {
-      try {
-        const options = {
-          method: 'PUT',
-          url: `${LOCALHOST}/users/${context.user._id.toString()}`,
-          headers: {
-            Authorization: `Bearer ${context.token}`
-          },
-          data: {
-            user: {
-              name: 'new name',
-              type: 'test'
-            }
-          }
-        }
-        const result = await axios(options)
-
-        console.log(`Users: ${JSON.stringify(result.data, null, 2)}`)
-
-        // assert(result.status === 200, 'Status Code 200 expected.')
-        // assert(result.data.user.type === 'user', 'Type should be unchanged.')
-        assert.equal(true, false, 'Unexpected behavior')
-      } catch (err) {
-        assert.equal(err.response.status, 422)
-        assert.include(
-          err.response.data,
-          "Property 'type' can only be changed by Admin user"
-        )
-      }
-    })
-
-    it('should not be able to update other user when not admin', async () => {
-      try {
-        const options = {
-          method: 'PUT',
-          url: `${LOCALHOST}/users/${context.user2._id.toString()}`,
-          headers: {
-            Authorization: `Bearer ${context.token}`
-          },
-          data: {
-            user: {
-              name: 'This should not work'
-            }
-          }
-        }
-        const result = await axios(options)
-
-        console.log(`result: ${JSON.stringify(result.data, null, 2)}`)
-
-        assert(false, 'Unexpected result')
-      } catch (err) {
-        assert.equal(err.response.status, 401)
-      }
-    })
-
-    it('should be able to update other user when admin', async () => {
-      const adminJWT = context.adminJWT
-
-      const options = {
-        method: 'PUT',
-        url: `${LOCALHOST}/users/${context.user2._id.toString()}`,
-        headers: {
-          Authorization: `Bearer ${adminJWT}`
-        },
-        data: {
-          user: {
-            name: 'This should work'
-          }
-        }
-      }
-      const result = await axios(options)
-      // console.log(`result stringified: ${JSON.stringify(result, null, 2)}`)
-
-      const userName = result.data.user.name
-      assert.equal(userName, 'This should work')
-    })
-
-    it('should not be able to update if name property is wrong', async () => {
-      try {
-        const _id = context.user._id
-        const token = context.token
-
-        const options = {
-          method: 'PUT',
-          url: `${LOCALHOST}/users/${_id}`,
-          headers: {
-            Accept: 'application/json',
-            Authorization: `Bearer ${token}`
-          },
-          data: {
-            user: {
-              email: 'testToUpdate@test.com',
-              name: {}
-            }
-          }
-        }
-        await axios(options)
-      } catch (error) {
-        assert.equal(error.response.status, 422)
-        assert.include(error.response.data, "Property 'name' must be a string!")
-      }
-    })
-
-    it('should not be able to update if email is wrong format', async () => {
-      try {
-        const _id = context.user._id
-        const token = context.token
-
-        const options = {
-          method: 'PUT',
-          url: `${LOCALHOST}/users/${_id}`,
-          headers: {
-            Accept: 'application/json',
-            Authorization: `Bearer ${token}`
-          },
-          data: {
-            user: {
-              email: 'badEmailFormat'
-            }
-          }
-        }
-        await axios(options)
-      } catch (err) {
-        assert.equal(err.response.status, 422)
-        assert.include(err.response.data, 'not a valid Email format')
-      }
-    })
   })
 
   describe('DELETE /users/:id', () => {
diff --git a/test/a03-nodemailer.spec.js b/test/a03-nodemailer.spec.js
index e048ccf..cc31e74 100644
--- a/test/a03-nodemailer.spec.js
+++ b/test/a03-nodemailer.spec.js
@@ -1,9 +1,23 @@
 const assert = require('chai').assert
 
 const NodeMailer = require('../src/lib/nodemailer')
-const nodemailer = new NodeMailer()
 
+const sinon = require('sinon')
+
+const util = require('util')
+util.inspect.defaultOptions = { depth: 1 }
+
+let sandbox
+let uut
 describe('NodeMailer', () => {
+  beforeEach(() => {
+    uut = new NodeMailer()
+
+    sandbox = sinon.createSandbox()
+  })
+
+  afterEach(() => sandbox.restore())
+
   describe('sendEmail()', () => {
     it('should throw error if email property is not provided', async () => {
       try {
@@ -13,7 +27,7 @@ describe('NodeMailer', () => {
           subject: 'test subject',
           to: ['test2@email.com']
         }
-        await nodemailer.sendEmail(data)
+        await uut.sendEmail(data)
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'Property \'email\' must be a string!')
@@ -28,7 +42,7 @@ describe('NodeMailer', () => {
           subject: 'test subject',
           to: ['test2@email.com']
         }
-        await nodemailer.sendEmail(data)
+        await uut.sendEmail(data)
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'Property \'email\' must be email format!')
@@ -42,7 +56,7 @@ describe('NodeMailer', () => {
           subject: 'test subject',
           to: ['test2@email.com']
         }
-        await nodemailer.sendEmail(data)
+        await uut.sendEmail(data)
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'Property \'message\' must be a string!')
@@ -55,7 +69,7 @@ describe('NodeMailer', () => {
           name: 'test name',
           subject: 'test subject'
         }
-        await nodemailer.sendEmail(data)
+        await uut.sendEmail(data)
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'Property \'to\' must be a array!')
@@ -71,7 +85,7 @@ describe('NodeMailer', () => {
           subject: 'test subject',
           to: ['test']
         }
-        await nodemailer.sendEmail(data)
+        await uut.sendEmail(data)
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'Array must contain emails format!')
@@ -86,7 +100,7 @@ describe('NodeMailer', () => {
           name: 'test name',
           to: ['test2@email.com']
         }
-        await nodemailer.sendEmail(data)
+        await uut.sendEmail(data)
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'Property \'subject\' must be a string!')
@@ -101,34 +115,53 @@ describe('NodeMailer', () => {
           subject: 'test subject',
           to: ['test2@email.com']
         }
-        await nodemailer.sendEmail(data)
+        await uut.sendEmail(data)
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'Property \'payloadTitle\' must be a string!')
+      }
+    })
+    it('should throw error if payloadTitle property is not string', async () => {
+      try {
+        const data = {
+          email: 'test@email.com',
+          formMessage: 'test msg',
+          name: 'test name',
+          subject: 'test subject',
+          to: ['test2@email.com'],
+          payloadTitle: true
+
+        }
+        await uut.sendEmail(data)
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'Property \'payloadTitle\' must be a string!')
       }
     })
 
-    /*         it('should send email', async () => {
-            try {
-                const data = {
-                    email: 'test@email.com',
-                    formMessage: 'test msg',
-                    name: 'test name',
-                    to: 'test2@email.com',
-                    subject: 'test subject',
-                    payloadTitle: 'test title'
-                }
-                await nodemailer.sendEmail(data)
-                assert(false, 'Unexpected result')
-            } catch (err) {
-                assert.include(err.message, 'Property \'subject\' must be a string!')
-            }
-        }) */
+    it('should send email', async () => {
+      try {
+        sandbox.stub(uut.transporter, 'sendMail').resolves({ messageId: 'messageId' })
+        const data = {
+          email: 'test@email.com',
+          formMessage: 'test msg',
+          name: 'test name',
+          to: ['test2@email.com'],
+          subject: 'test subject',
+          payloadTitle: 'test title'
+        }
+        const info = await uut.sendEmail(data)
+        assert.isObject(info)
+        assert.isString(info.messageId)
+      } catch (err) {
+        assert(false, 'Unexpected result')
+      }
+    })
   })
   describe('validateEmailArray()', () => {
     it('should throw error if email list is not provided ', async () => {
       try {
-        await nodemailer.validateEmailArray()
+        await uut.validateEmailArray()
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'Property \'emailList\' must be a array!')
@@ -137,7 +170,7 @@ describe('NodeMailer', () => {
     it('should throw error if email list is empty', async () => {
       try {
         const emailList = []
-        await nodemailer.validateEmailArray(emailList)
+        await uut.validateEmailArray(emailList)
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'Property \'emailList\' cant be empty!')
@@ -149,7 +182,7 @@ describe('NodeMailer', () => {
           'wrongEmail',
           'bad format'
         ]
-        await nodemailer.validateEmailArray(emailList)
+        await uut.validateEmailArray(emailList)
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'Array must contain emails format!')
@@ -161,7 +194,7 @@ describe('NodeMailer', () => {
           'test@email.com',
           'simple@email.com'
         ]
-        const result = await nodemailer.validateEmailArray(emailList)
+        const result = await uut.validateEmailArray(emailList)
         assert.isTrue(result)
       } catch (err) {
         assert(false, 'Unexpected result')
diff --git a/test/a04-contact.spec.js b/test/a04-contact.spec.js
index 1983e69..0e3d44e 100644
--- a/test/a04-contact.spec.js
+++ b/test/a04-contact.spec.js
@@ -1,13 +1,27 @@
 const config = require('../config')
 const axios = require('axios').default
 const assert = require('chai').assert
+const sinon = require('sinon')
 
 // Mock data
 // const mockData = require('./mocks/contact-mocks')
 
 const LOCALHOST = `http://localhost:${config.port}`
 
+const mockContext = require('./mocks/ctx-mock').context
+const ContactController = require('../src/modules/contact/controller')
+let uut
+let sandbox
+
 describe('Contact', () => {
+  beforeEach(() => {
+    uut = new ContactController()
+
+    sandbox = sinon.createSandbox()
+  })
+
+  afterEach(() => sandbox.restore())
+
   describe('POST /contact/email', () => {
     it('should throw error if email property is not provided', async () => {
       try {
@@ -28,10 +42,11 @@ describe('Contact', () => {
         // console.log(`result stringified: ${JSON.stringify(result, null, 2)}`)
         assert(false, 'Unexpected result')
       } catch (err) {
-        assert.equal(err.response.status, 500)
+        assert.equal(err.response.status, 422)
         assert.include(err.response.data, "Property 'email' must be a string!")
       }
     })
+
     it('should throw error if email property is wrong format', async () => {
       try {
         const options = {
@@ -52,13 +67,14 @@ describe('Contact', () => {
         // console.log(`result stringified: ${JSON.stringify(result, null, 2)}`)
         assert(false, 'Unexpected result')
       } catch (err) {
-        assert.equal(err.response.status, 500)
+        assert.equal(err.response.status, 422)
         assert.include(
           err.response.data,
           "Property 'email' must be email format!"
         )
       }
     })
+
     it('should throw error if formMessage property is not provided', async () => {
       try {
         const options = {
@@ -78,13 +94,14 @@ describe('Contact', () => {
         // console.log(`result stringified: ${JSON.stringify(result, null, 2)}`)
         assert(false, 'Unexpected result')
       } catch (err) {
-        assert.equal(err.response.status, 500)
+        assert.equal(err.response.status, 422)
         assert.include(
           err.response.data,
           "Property 'message' must be a string!"
         )
       }
     })
+
     it('should throw error if payloadTitle property is not provided', async () => {
       try {
         const options = {
@@ -105,19 +122,15 @@ describe('Contact', () => {
         // console.log(`result stringified: ${JSON.stringify(result, null, 2)}`)
         assert(false, 'Unexpected result')
       } catch (err) {
-        assert.equal(err.response.status, 500)
+        assert.equal(err.response.status, 422)
         assert.include(
           err.response.data,
           "Property 'payloadTitle' must be a string!"
         )
       }
     })
-    /* I presented problems here trying to use sandbox in this test */
-    /*     it('should send email with  all input', async () => {
-      // Mock live network calls.
-      sandbox.stub(
-        contactController.transporter, 'sendMail')
-        .resolves(mockData)
+
+    it('should throw error if payloadTitle property is not string', async () => {
       try {
         const options = {
           method: 'POST',
@@ -125,18 +138,130 @@ describe('Contact', () => {
           data: {
             obj: {
               email: 'email@email.com',
-              formMessage: 'test email',
-              name: 'test name',
-              payloadtitle: 'test title'
+              formMessage: 'test message',
+              payloadTitle: 1
             }
           }
         }
-        const result = await axios(options)
-        console.log('RESULT', result.data)
+
+        await axios(options)
+
+        // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+        // console.log(`result stringified: ${JSON.stringify(result, null, 2)}`)
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.response.status, 422)
+        assert.include(
+          err.response.data,
+          "Property 'payloadTitle' must be a string!"
+        )
+      }
+    })
+
+    it('should throw error if email list provided is not a array', async () => {
+      try {
+        const options = {
+          method: 'POST',
+          url: `${LOCALHOST}/contact/email`,
+          data: {
+            obj: {
+              email: 'email@email.com',
+              formMessage: 'test message',
+              payloadTitle: 'title',
+              emailList: 1
+            }
+          }
+        }
+
+        await axios(options)
+
+        // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+        // console.log(`result stringified: ${JSON.stringify(result, null, 2)}`)
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.response.status, 422)
+        assert.include(
+          err.response.data,
+          "Property 'emailList' must be a array of emails!"
+        )
+      }
+    })
+
+    it('should throw error if email list provided is a empty array', async () => {
+      try {
+        const options = {
+          method: 'POST',
+          url: `${LOCALHOST}/contact/email`,
+          data: {
+            obj: {
+              email: 'email@email.com',
+              formMessage: 'test message',
+              payloadTitle: 'title',
+              emailList: []
+            }
+          }
+        }
+
+        await axios(options)
+
+        // console.log(`result: ${JSON.stringify(result, null, 2)}`)
+
+        // console.log(`result stringified: ${JSON.stringify(result, null, 2)}`)
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.response.status, 422)
+        assert.include(
+          err.response.data,
+          "Property 'emailList' must be a array of emails!"
+        )
+      }
+    })
+
+    it('should send email with minimun input', async () => {
+      try {
+        // Mock live network calls.
+        sandbox.stub(uut.nodemailer, 'sendEmail').resolves(true)
+
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.request = {
+          body: {
+            obj: {
+              email: 'email@email.com',
+              formMessage: 'test message',
+              payloadTitle: 'title'
+            }
+          }
+        }
+        await uut.email(ctx)
       } catch (err) {
-        // console.log(err)
         assert(false, 'Unexpected result')
       }
-    }) */
+    })
+
+    it('should send email with  all input', async () => {
+      try {
+        // Mock live network calls.
+        sandbox.stub(uut.nodemailer, 'sendEmail').resolves(true)
+
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.request = {
+          body: {
+            obj: {
+              email: 'email@email.com',
+              formMessage: 'test message',
+              payloadTitle: 'title',
+              emailList: ['email@email.com']
+            }
+          }
+        }
+        await uut.email(ctx)
+      } catch (err) {
+        assert(false, 'Unexpected result')
+      }
+    })
   })
 })
diff --git a/test/a05-passport.spec.js b/test/a05-passport.spec.js
index 095d63b..879d66c 100644
--- a/test/a05-passport.spec.js
+++ b/test/a05-passport.spec.js
@@ -1,17 +1,24 @@
 const assert = require('chai').assert
 const PassportLib = require('../src/lib/passport')
 
-describe('#passport.js', () => {
-  let passportLib
+const sinon = require('sinon')
 
-  beforeEach(async () => {
-    passportLib = new PassportLib()
+let uut
+let sandbox
+
+describe('#passport.js', () => {
+  beforeEach(() => {
+    uut = new PassportLib()
+
+    sandbox = sinon.createSandbox()
   })
 
+  afterEach(() => sandbox.restore())
+
   describe('authUser()', () => {
     it('should throw error if ctx is not provided', async () => {
       try {
-        await passportLib.authUser()
+        await uut.authUser()
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'ctx is required')
@@ -20,17 +27,16 @@ describe('#passport.js', () => {
 
     it('Should throw error if the passport library fails', async () => {
       try {
-        // This is a mock to handle the callback error
-        // when the passport library fails or throws error
         const error = new Error('cant auth user')
         const user = null
-        const authMock = (value, callback) => {
-          callback(error, user)
-        }
-        passportLib.passport.authenticate = authMock
+
+        // Mock calls
+        // https://sinonjs.org/releases/latest/stubs/
+        // About yields
+        sandbox.stub(uut.passport, 'authenticate').yields(error, user)
 
         const ctx = {}
-        await passportLib.authUser(ctx)
+        await uut.authUser(ctx)
         assert(false, 'Unexpected result')
       } catch (err) {
         assert.include(err.message, 'cant auth user')
diff --git a/test/a06-logapi.spec.js b/test/a06-logapi.spec.js
new file mode 100644
index 0000000..a4c14b9
--- /dev/null
+++ b/test/a06-logapi.spec.js
@@ -0,0 +1,251 @@
+const config = require('../config')
+const assert = require('chai').assert
+
+const axios = require('axios').default
+const sinon = require('sinon')
+
+const util = require('util')
+util.inspect.defaultOptions = { depth: 1 }
+
+const LOCALHOST = `http://localhost:${config.port}`
+
+const LogsController = require('../src/modules/logapi/controller')
+const mockContext = require('./mocks/ctx-mock').context
+const mockData = require('./mocks/log-api-mock')
+
+const context = {}
+let sandbox
+let uut
+describe('LogsApi', () => {
+  beforeEach(() => {
+    uut = new LogsController()
+
+    sandbox = sinon.createSandbox()
+  })
+
+  afterEach(() => sandbox.restore())
+
+  describe('POST /logapi', () => {
+    it('should return false if password is not provided', async () => {
+      try {
+        const options = {
+          method: 'post',
+          url: `${LOCALHOST}/logapi`,
+          data: {}
+        }
+
+        const result = await axios(options)
+        assert.isFalse(result.data.success)
+      } catch (err) {
+        assert(false, 'Unexpected result')
+      }
+    })
+    it('should return log', async () => {
+      try {
+        const options = {
+          method: 'post',
+          url: `${LOCALHOST}/logapi`,
+          data: {
+            password: 'test'
+          }
+        }
+
+        const result = await axios(options)
+
+        assert.isTrue(result.data.success)
+        assert.isArray(result.data.data)
+        assert.property(result.data.data[0], 'message')
+        assert.property(result.data.data[0], 'level')
+        assert.property(result.data.data[0], 'timestamp')
+      } catch (err) {
+        assert(false, 'Unexpected result')
+      }
+    })
+    it('should return false if files are not found!', async () => {
+      try {
+        sandbox.stub(uut, 'generateFileName').resolves('bad router')
+
+        const ctx = mockContext()
+        ctx.request = {
+          body: {
+            password: 'test'
+          }
+        }
+        await uut.getLogs(ctx)
+
+        assert.isFalse(ctx.body.success)
+        assert.include(ctx.body.data, 'file does not exist')
+      } catch (err) {
+        assert.fail('Unexpected result')
+      }
+    })
+    it('should catch and handle errors', async () => {
+      try {
+        // Force an error
+        sandbox.stub(uut.fs, 'existsSync').throws(new Error('test error'))
+
+        // Mock the context object.
+        const ctx = mockContext()
+
+        ctx.request = {
+          body: {
+            password: 'test'
+          }
+        }
+
+        await uut.getLogs(ctx)
+
+        assert.fail('Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'test error')
+      }
+    })
+    it('should throw unhandled error', async () => {
+      try {
+        // Force an error
+        sandbox.stub(uut.fs, 'existsSync').throws(new Error())
+
+        // Mock the context object.
+        const ctx = mockContext()
+
+        ctx.request = {
+          body: {
+            password: 'test'
+          }
+        }
+
+        await uut.getLogs(ctx)
+
+        assert.fail('Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'Unhandled error')
+      }
+    })
+  })
+  describe('#filterLogs()', () => {
+    it('should throw error if data is not provided', async () => {
+      try {
+        await uut.filterLogs()
+
+        assert.fail('Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'Data must be array')
+      }
+    })
+    it('should throw error if data provided is not an array', async () => {
+      try {
+        const data = 'data'
+        await uut.filterLogs(data)
+
+        assert.fail('Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'Data must be array')
+      }
+    })
+    it('should sort the log data', async () => {
+      try {
+        const data = mockData.data
+        const result = await uut.filterLogs(data)
+        assert.isArray(result)
+        assert.property(result[1], 'message')
+        assert.property(result[1], 'level')
+        assert.property(result[1], 'timestamp')
+      } catch (err) {
+        assert.fail('Unexpected result')
+      }
+    })
+    it('should sort the log data with a limit', async () => {
+      try {
+        const data = mockData.data
+        const limit = 1
+        const result = await uut.filterLogs(data, limit)
+        assert.isArray(result)
+        assert.equal(result.length, limit)
+        assert.property(result[0], 'message')
+        assert.property(result[0], 'level')
+        assert.property(result[0], 'timestamp')
+      } catch (err) {
+        assert.fail('Unexpected result')
+      }
+    })
+  })
+
+  describe('#generateFileName()', () => {
+    it('should return file name', async () => {
+      try {
+        const fileName = await uut.generateFileName()
+        assert.isString(fileName)
+        context.fileName = fileName
+      } catch (err) {
+        assert.fail('Unexpected result')
+      }
+    })
+    it('should throw error if something fails', async () => {
+      try {
+        uut.config = null
+        await uut.generateFileName()
+        assert.fail('Unexpected result')
+      } catch (err) {
+        assert.exists(err)
+        assert.isString(err.message)
+      }
+    })
+  })
+  describe('#readLines()', () => {
+    it('should throw error if fileName is not provided', async () => {
+      try {
+        await uut.readLines()
+
+        assert.fail('Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'filename must be a string')
+      }
+    })
+    it('should throw error if fileName provided is not string', async () => {
+      try {
+        const fileName = true
+        await uut.readLines(fileName)
+
+        assert.fail('Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'filename must be a string')
+      }
+    })
+    it('should throw error if the file does not exist', async () => {
+      try {
+        const fileName = 'test/logs/'
+        await uut.readLines(fileName)
+
+        assert.fail('Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'file does not exist')
+      }
+    })
+    it('should ignore fileReader callback errors', async () => {
+      try {
+        // https://sinonjs.org/releases/latest/stubs/
+        // About yields
+        sandbox.stub(uut.lineReader, 'eachLine').yieldsRight({}, true)
+
+        const fileName = context.fileName
+        const result = await uut.readLines(fileName)
+        assert.isArray(result)
+      } catch (err) {
+        assert.fail('Unexpected result')
+      }
+    })
+    it('should return data', async () => {
+      try {
+        const fileName = context.fileName
+        const result = await uut.readLines(fileName)
+
+        assert.isArray(result)
+        assert.property(result[1], 'message')
+        assert.property(result[1], 'level')
+        assert.property(result[1], 'timestamp')
+      } catch (err) {
+        assert.fail('Unexpected result')
+      }
+    })
+  })
+})
diff --git a/test/a07-json-files.spec.js b/test/a07-json-files.spec.js
new file mode 100644
index 0000000..850cf76
--- /dev/null
+++ b/test/a07-json-files.spec.js
@@ -0,0 +1,139 @@
+const assert = require('chai').assert
+const fs = require('fs')
+const sinon = require('sinon')
+
+const util = require('util')
+util.inspect.defaultOptions = { depth: 1 }
+
+const JsonFiles = require('../src/lib/utils/json-files')
+
+const JSON_FILE = 'test-json-file.json'
+const JSON_PATH = `${__dirname}/${JSON_FILE}`
+
+const deleteFile = filepath => {
+  try {
+    // Delete state if exist
+    fs.unlinkSync(filepath)
+  } catch (error) {}
+}
+let sandbox
+let uut
+describe('JsonFiles', () => {
+  const obj = {
+    json: 'file'
+  }
+  beforeEach(() => {
+    uut = new JsonFiles()
+    sandbox = sinon.createSandbox()
+  })
+  afterEach(() => sandbox.restore())
+
+  after(() => {
+    deleteFile(JSON_PATH)
+  })
+  describe('writeJSON()', () => {
+    it('should throw error if  inputs is not provided', async () => {
+      try {
+        await uut.writeJSON()
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'obj property is required')
+      }
+    })
+    it('should throw error if  filename property is not provided', async () => {
+      try {
+        await uut.writeJSON(obj)
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'fileName property must be a string')
+      }
+    })
+    it('should throw error if  filename property is not string', async () => {
+      try {
+        await uut.writeJSON(obj, 1)
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'fileName property must be a string')
+      }
+    })
+    it('should throw error if fs library return an error', async () => {
+      try {
+        // https://sinonjs.org/releases/latest/stubs/
+        // About yields
+        sandbox.stub(uut.fs, 'writeFile').yields(new Error('test error'))
+
+        await uut.writeJSON(obj, JSON_PATH)
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'test error')
+      }
+    })
+    it('should write a json file', async () => {
+      try {
+        await uut.writeJSON(obj, JSON_PATH)
+
+        assert.isTrue(fs.existsSync(JSON_PATH))
+      } catch (err) {
+        assert(false, 'Unexpected result')
+      }
+    })
+  })
+
+  describe('readJSON()', () => {
+    it('should throw error if  filename property is not provided', async () => {
+      try {
+        await uut.readJSON(obj)
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'fileName property must be a string')
+      }
+    })
+    it('should throw error if  filename property is not string', async () => {
+      try {
+        await uut.readJSON(obj, 1)
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'fileName property must be a string')
+      }
+    })
+    it('should throw error if fs library return an error', async () => {
+      try {
+        // https://sinonjs.org/releases/latest/stubs/
+        // About yields
+        sandbox.stub(uut.fs, 'readFile').yields(new Error('test error'))
+
+        await uut.readJSON(JSON_PATH)
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'test error')
+      }
+    })
+    it('should throw error if file not found', async () => {
+      try {
+        const testError = new Error('test error')
+        testError.code = 'ENOENT'
+
+        sandbox.stub(uut.fs, 'readFile').yields(testError)
+
+        await uut.readJSON(JSON_PATH)
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'test error')
+      }
+    })
+
+    it('should read a json file', async () => {
+      try {
+        const result = await uut.readJSON(JSON_PATH)
+
+        const objKeys = Object.keys(obj)
+        const resultKeys = Object.keys(result)
+
+        assert.isObject(result)
+        assert.equal(objKeys.length, resultKeys.length)
+      } catch (err) {
+        assert(false, 'Unexpected result')
+      }
+    })
+  })
+})
diff --git a/test/a08-validators.spec.js b/test/a08-validators.spec.js
new file mode 100644
index 0000000..b957fbb
--- /dev/null
+++ b/test/a08-validators.spec.js
@@ -0,0 +1,317 @@
+const assert = require('chai').assert
+const testUtils = require('./utils')
+
+const Validators = require('../src/middleware/validators')
+
+const sinon = require('sinon')
+const mockContext = require('./mocks/ctx-mock').context
+
+const util = require('util')
+util.inspect.defaultOptions = { depth: 1 }
+
+const context = {}
+
+let sandbox
+let uut
+describe('Validators', () => {
+  before(async () => {
+    // console.log(`config: ${JSON.stringify(config, null, 2)}`)
+
+    // Create a second test user.
+    const userObj = {
+      email: 'test2@test.com',
+      password: 'pass2'
+    }
+    const testUser = await testUtils.createUser(userObj)
+    // console.log(`testUser2: ${JSON.stringify(testUser, null, 2)}`)
+
+    context.user = testUser.user
+    context.token = testUser.token
+    context.id = testUser.user._id
+
+    // Get the JWT used to log in as the admin 'system' user.
+    const adminJWT = await testUtils.getAdminJWT()
+    // console.log(`adminJWT: ${adminJWT}`)
+    context.adminJWT = adminJWT
+
+    // const admin = await testUtils.loginAdminUser()
+    // context.adminJWT = admin.token
+
+    // const admin = await adminLib.loginAdmin()
+    // console.log(`admin: ${JSON.stringify(admin, null, 2)}`)
+  })
+  beforeEach(() => {
+    uut = new Validators()
+
+    sandbox = sinon.createSandbox()
+  })
+
+  afterEach(() => sandbox.restore())
+
+  describe('ensureUser()', () => {
+    it('should throw 401 if user cant be found', async () => {
+      try {
+      // Force an error
+        sandbox.stub(uut.User, 'findById').resolves(false)
+
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.request = {
+          header: {
+            authorization: `Bearer ${context.token}`
+          }
+        }
+
+        await uut.ensureUser(ctx)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.status, 401)
+        assert.include(err.message, 'Unauthorized')
+      }
+    })
+    it('should throw 401 if token not found', async () => {
+      try {
+        // Mock the context object.
+        const ctx = mockContext()
+
+        await uut.ensureUser(ctx)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.status, 401)
+        assert.include(err.message, 'Unauthorized')
+      }
+    })
+    it('should throw 401 if token is invalid', async () => {
+      try {
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.request = {
+          header: {
+            authorization: 'Bearer 1'
+          }
+        }
+        await uut.ensureUser(ctx)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.status, 401)
+        assert.include(err.message, 'Unauthorized')
+      }
+    })
+    it('should trigger the "next" function if user is admin', async () => {
+      try {
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.params = { id: context.id }
+
+        ctx.request = {
+          header: {
+            authorization: `Bearer ${context.adminJWT}`
+          }
+        }
+        // Function that execute if the validations
+        // are successful
+        const next = () => { return 'next function' }
+
+        const result = await uut.ensureUser(ctx, next)
+
+        assert.isString(result)
+        assert.equal(result, 'next function')
+      } catch (err) {
+        assert(false, 'Unexpected result')
+      }
+    })
+  })
+
+  describe('ensureAdmin()', () => {
+    it('should throw 401 if token not found', async () => {
+      try {
+        // Mock the context object.
+        const ctx = mockContext()
+
+        await uut.ensureAdmin(ctx)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.status, 401)
+        assert.include(err.message, 'Unauthorized')
+      }
+    })
+    it('should throw 401 if token is invalid', async () => {
+      try {
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.request = {
+          header: {
+            authorization: 'Bearer 1'
+          }
+        }
+        await uut.ensureAdmin(ctx)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.status, 401)
+        assert.include(err.message, 'Unauthorized')
+      }
+    })
+    it('should throw 401 if user cant be found', async () => {
+      try {
+        // Force an error
+        sandbox.stub(uut.User, 'findById').resolves(false)
+
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.request = {
+          header: {
+            authorization: `Bearer ${context.token}`
+          }
+        }
+        await uut.ensureAdmin(ctx)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.status, 401)
+        assert.include(err.message, 'Unauthorized')
+      }
+    })
+    it('should throw 401 if user is not admin type', async () => {
+      try {
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.request = {
+          header: {
+            authorization: `Bearer ${context.token}`
+          }
+        }
+        await uut.ensureAdmin(ctx)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.status, 401)
+        assert.include(err.message, 'not admin')
+      }
+    })
+    it('should trigger the "next" function if user is admin', async () => {
+      try {
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.request = {
+          header: {
+            authorization: `Bearer ${context.adminJWT}`
+          }
+        }
+        // Function that execute if the validations
+        // are successful
+        const next = () => { return 'next function' }
+
+        const result = await uut.ensureAdmin(ctx, next)
+
+        assert.isString(result)
+        assert.equal(result, 'next function')
+      } catch (err) {
+        assert(false, 'Unexpected result')
+      }
+    })
+  })
+
+  describe('ensureTargetUserOrAdmin()', () => {
+    it('should throw 401 if token not found', async () => {
+      try {
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.params = { id: context.id }
+        await uut.ensureTargetUserOrAdmin(ctx)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.status, 401)
+        assert.include(err.message, 'Unauthorized')
+      }
+    })
+    it('should throw 401 if token is invalid', async () => {
+      try {
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.params = { id: context.id }
+
+        ctx.request = {
+          header: {
+            authorization: 'Bearer 1'
+          }
+        }
+        await uut.ensureTargetUserOrAdmin(ctx)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.status, 401)
+        assert.include(err.message, 'Unauthorized')
+      }
+    })
+    it('should throw 401 if user cant be found', async () => {
+      try {
+        // Force an error
+        sandbox.stub(uut.User, 'findById').resolves(false)
+
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.params = { id: context.id }
+
+        ctx.request = {
+          header: {
+            authorization: `Bearer ${context.token}`
+          }
+        }
+        await uut.ensureTargetUserOrAdmin(ctx)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.status, 401)
+        assert.include(err.message, 'Unauthorized')
+      }
+    })
+    it('should throw 401 if user is not admin type', async () => {
+      try {
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.params = { id: 'Target Id' }
+
+        ctx.request = {
+          header: {
+            authorization: `Bearer ${context.token}`
+          }
+        }
+        await uut.ensureTargetUserOrAdmin(ctx)
+
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.status, 401)
+        assert.include(err.message, 'not admin')
+      }
+    })
+    it('should trigger the "next" function if user is admin', async () => {
+      try {
+        // Mock the context object.
+        const ctx = mockContext()
+        ctx.params = { id: context.id }
+
+        ctx.request = {
+          header: {
+            authorization: `Bearer ${context.adminJWT}`
+          }
+        }
+        // Function that execute if the validations
+        // are successful
+        const next = () => { return 'next function' }
+
+        const result = await uut.ensureTargetUserOrAdmin(ctx, next)
+
+        assert.isString(result)
+        assert.equal(result, 'next function')
+      } catch (err) {
+        assert(false, 'Unexpected result')
+      }
+    })
+  })
+})
diff --git a/test/a09-admin.spec.js b/test/a09-admin.spec.js
new file mode 100644
index 0000000..ceb1c96
--- /dev/null
+++ b/test/a09-admin.spec.js
@@ -0,0 +1,116 @@
+const assert = require('chai').assert
+
+const Admin = require('../src/lib/admin')
+
+const sinon = require('sinon')
+
+const util = require('util')
+util.inspect.defaultOptions = { depth: 1 }
+
+let sandbox
+let uut
+describe('Admin', () => {
+  beforeEach(() => {
+    uut = new Admin()
+
+    sandbox = sinon.createSandbox()
+  })
+
+  afterEach(() => sandbox.restore())
+  describe('loginAdmin()', () => {
+    it('should logind admin', async () => {
+      try {
+        const error = new Error('test error')
+        error.response = {
+          status: 422
+        }
+        // sandbox.stub(uut.axios, 'request').onFirstCall().throws(error)
+
+        const result = await uut.loginAdmin()
+        const user = result.data.user
+
+        assert.property(user, '_id')
+        assert.property(user, 'email')
+        assert.property(user, 'type')
+
+        assert.isString(user._id)
+        assert.isString(user.email)
+        assert.isString(user.type)
+
+        assert.equal(user.type, 'admin')
+      } catch (err) {
+        assert(false, 'Unexpected result')
+      }
+    })
+    it('should handle axios error', async () => {
+      try {
+        // Returns an erroneous password to force
+        // an auth error
+        sandbox
+          .stub(uut.jsonFiles, 'readJSON').resolves({ password: 'wrong' })
+
+        await uut.loginAdmin()
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.equal(err.response.status, 401)
+        assert.include(err.response.data, 'Unauthorized')
+      }
+    })
+  })
+  describe('createSystemUser()', () => {
+    it('should create admin', async () => {
+      try {
+        const result = await uut.createSystemUser()
+
+        assert.property(result, 'email')
+        assert.property(result, 'password')
+        assert.property(result, 'id')
+        assert.property(result, 'token')
+      } catch (err) {
+        assert(false, 'Unexpected result')
+      }
+    })
+    it('should handle axios error', async () => {
+      try {
+        const error1 = new Error('test error')
+        error1.response = {
+          status: 422
+        }
+        const error2 = new Error('test error')
+        error1.response = {
+          status: 500
+        }
+        // The loginAdmin() function in some use cases is recursive
+        // after handling the 422 error, it gets called again
+        sandbox
+          .stub(uut.axios, 'request')
+          .onFirstCall()
+          .throws(error1)
+          .onSecondCall()
+          .throws(error2)
+
+        await uut.createSystemUser()
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'test error')
+      }
+    })
+    it('should handle errors when remove user', async () => {
+      try {
+        const error1 = new Error('test error')
+        error1.response = {
+          status: 422
+        }
+        sandbox
+          .stub(uut.axios, 'request').throws(error1)
+        sandbox
+          .stub(uut.User, 'deleteOne').throws(new Error('test error'))
+
+        await uut.createSystemUser()
+        assert(false, 'Unexpected result')
+      } catch (err) {
+        assert.include(err.message, 'test error')
+      }
+    })
+  })
+})
diff --git a/test/mocks/ctx-mock.js b/test/mocks/ctx-mock.js
new file mode 100644
index 0000000..c7536bd
--- /dev/null
+++ b/test/mocks/ctx-mock.js
@@ -0,0 +1,50 @@
+// Ripped from https://github.com/koajs/koa/blob/master/test/helpers/context.js
+// Solution courtesy of user @fl0w. See: https://github.com/koajs/koa/issues/999#issuecomment-309270599
+// Take from this gist: https://gist.github.com/emmanuelnk/f1254eed8f947a81e8d715476d9cc92c
+
+// if you want more comprehensive Koa Context object to test stuff like Cookies etc
+// then use https://www.npmjs.com/package/@shopify/jest-koa-mocks (requires Jest)
+
+// INSTRUCTIONS:
+// Import in test file as below:
+//
+// const mockContext = require('./mocks/ctx-mock').context
+// const ctx = mockContext()
+// ...
+
+const Stream = require('stream')
+const Koa = require('koa')
+
+const context = (req, res, app) => {
+  const socket = new Stream.Duplex()
+
+  req = Object.assign(
+    { headers: {}, socket },
+    Stream.Readable.prototype,
+    req || {}
+  )
+  res = Object.assign(
+    { _headers: {}, socket },
+    Stream.Writable.prototype,
+    res || {}
+  )
+  req.socket.remoteAddress = req.socket.remoteAddress || '127.0.0.1'
+  app = app || new Koa()
+  res.getHeader = k => res._headers[k.toLowerCase()]
+  res.setHeader = (k, v) => (res._headers[k.toLowerCase()] = v)
+  res.removeHeader = (k, v) => delete res._headers[k.toLowerCase()]
+
+  const retApp = app.createContext(req, res)
+
+  return retApp
+}
+
+const request = (req, res, app) => context(req, res, app).request
+
+const response = (req, res, app) => context(req, res, app).response
+
+module.exports = {
+  context,
+  request,
+  response
+}
diff --git a/test/mocks/log-api-mock.js b/test/mocks/log-api-mock.js
new file mode 100644
index 0000000..46add32
--- /dev/null
+++ b/test/mocks/log-api-mock.js
@@ -0,0 +1,28 @@
+// Mocks representing an array of logs for the
+// Unit tests of logapi
+
+const data = [
+  {
+    message: 'Error in lib/nodemailer.js/validateEmailArray()',
+    level: 'error',
+    timestamp: '2020-11-14T12:15:55.230Z'
+  },
+  {
+    message: 'Error in lib/nodemailer.js/validateEmailArray()',
+    level: 'error',
+    timestamp: '2020-11-14T12:15:55.231Z'
+  },
+  {
+    message: 'Error in lib/nodemailer.js/validateEmailArray()',
+    level: 'error',
+    timestamp: '2020-11-14T12:15:55.230Z'
+  },
+  {
+    message: 'Error in lib/nodemailer.js/validateEmailArray()',
+    level: 'error',
+    timestamp: '2020-11-14T12:15:55.231Z'
+  }
+]
+module.exports = {
+  data
+}