fix(tests): Got bin/server.js unit test coverage to 100%

bin/server.js

@@ -33,6 +33,7 @@ class Server {
     this.controllers = new Controllers()
     this.mongoose = mongoose
     this.config = config
+    this.process = process
   }
 
   async startServer () {
@@ -88,7 +89,7 @@ class Server {
       console.log(`Running server in environment: ${this.config.env}`)
       wlogger.info(`Running server in environment: ${this.config.env}`)
 
-      await app.listen(this.config.port)
+      this.server = await app.listen(this.config.port)
       console.log(`Server started on ${this.config.port}`)
 
       // Create the system admin user.
@@ -114,14 +115,14 @@ class Server {
       console.log(
         'Exiting after 5 seconds. Depending on process manager to restart.'
       )
-      await sleep(5000)
-      process.exit(1)
-    }
+      await this.sleep(5000)
+      this.process.exit(1)
     }
   }
 
-function sleep (ms) {
+  sleep (ms) {
     return new Promise((resolve) => setTimeout(resolve, ms))
   }
+}
 
 module.exports = Server

test/unit/misc/server-unit.js

@@ -27,13 +27,37 @@ describe('#server', () => {
       sandbox.stub(uut.controllers, 'attachRESTControllers').resolves()
       sandbox.stub(uut.adminLib, 'createSystemUser').resolves(true)
       sandbox.stub(uut.controllers, 'attachControllers').resolves()
+      uut.config.env = 'dev'
 
       const result = await uut.startServer()
       // console.log('result: ', result)
 
       assert.property(result, 'env')
 
-      result.close()
+      // Turn off the server.
+      uut.server.close()
+
+      // Restor config env
+      uut.config.env = 'test'
+    })
+
+    it('should exit on failure', async () => {
+      // Force an error
+      sandbox.stub(uut.mongoose, 'connect').rejects(new Error('test error'))
+
+      // Prevent default behavior of exiting the program.
+      sandbox.stub(uut, 'sleep').resolves()
+      sandbox.stub(uut.process, 'exit').returns()
+
+      await uut.startServer()
+
+      // Not throwing an error is a success
+    })
+  })
+
+  describe('#sleep', () => {
+    it('should execute', async () => {
+      await uut.sleep(1)
     })
   })
 })