forked from ipfs-service-provider

2026-09-21 16:52:03 -07:00 · 2021-11-23 08:38:01 -08:00
commit 8f7f3896a3
115 changed files with 58101 additions and 0 deletions
@@ -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/adapters/json-files')
+
+const JSON_FILE = 'test-json-file.json'
+const JSON_PATH = `${__dirname.toString()}/${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')
+      }
+    })
+  })
+})