Specs (#6)

* wire up specs

* tests + fixes for #1

* travis

.gitignore

@@ -1,4 +1,8 @@
 .DS_Store
 node_modules/
-npm-debug.log
-.idea/
+npm-debug.log*
+yarn-error.log*
+yarn-debug.log*
+test/unit/coverage
+test/e2e/reports
+.idea/

.nvmrc

@@ -0,0 +1 @@
+8.1.2

.travis.yml

@@ -0,0 +1,19 @@
+dist: trusty
+sudo: required
+
+language: node_js
+cache: yarn
+
+addons:
+  firefox: latest
+  apt:
+    sources:
+     - google-chrome
+    packages:
+     - google-chrome-stable fluxbox
+
+before_script:
+  - "export DISPLAY=:99.0"
+  - "sh -e /etc/init.d/xvfb start"
+  - sleep 3
+  - fluxbox >/dev/null 2>&1 &

package.json

@@ -5,7 +5,9 @@
   "main": "dist/build.js",
   "scripts": {
     "build": "eslint --ext .js src && webpack --progress --hide-modules",
-    "lint": "eslint --ext .js src"
+    "lint": "eslint --ext .js src",
+    "unit": "karma start test/unit/karma.conf.js",
+    "test": "karma start test/unit/karma.conf.js --single-run "
   },
   "repository": {
     "type": "git",
@@ -32,12 +34,29 @@
     "babel-eslint": "^7.2.3",
     "babel-loader": "^7.0.0",
     "babel-preset-es2015": "^6.24.1",
+    "chai": "^4.0.2",
     "eslint": "^3.19.0",
     "eslint-config-standard": "^10.2.1",
     "eslint-plugin-import": "^2.2.0",
     "eslint-plugin-node": "^4.2.2",
     "eslint-plugin-promise": "^3.5.0",
     "eslint-plugin-standard": "^3.0.1",
-    "webpack": "^2.5.1"
-  }
+    "exports-loader": "^0.6.4",
+    "karma": "^1.7.0",
+    "karma-chrome-launcher": "^2.2.0",
+    "karma-coverage": "^1.1.1",
+    "karma-mocha": "^1.3.0",
+    "karma-sinon-chai": "^1.3.1",
+    "karma-sourcemap-loader": "^0.3.7",
+    "karma-spec-reporter": "^0.0.31",
+    "karma-webpack": "^2.0.3",
+    "mocha": "^3.4.2",
+    "mock-socket": "^6.1.0",
+    "script-loader": "^0.7.0",
+    "sinon": "^2.3.6",
+    "sinon-chai": "^2.11.0",
+    "vue": "^2.3.4",
+    "webpack": "^3.0.0"
+  },
+  "dependencies": {}
 }

src/Observer.js

@@ -3,13 +3,13 @@ import Emitter from './Emitter'
 export default class {
   constructor (connectionUrl, protocol, store, opts = {}) {
     this.format = opts.format && opts.format.toLowerCase()
-    this.connect(connectionUrl, protocol)
+    this.connect(connectionUrl, protocol, opts)
     if (store) { this.store = store }
     this.onEvent()
   }
 
-  connect (connectionUrl, protocol) {
-    this.WebSocket = new WebSocket(connectionUrl, protocol)
+  connect (connectionUrl, protocol, opts = {}) {
+    this.WebSocket = opts.WebSocket || new WebSocket(connectionUrl, protocol)
     if (this.format === 'json') {
       if (!('sendObj' in this.WebSocket)) {
         this.WebSocket.sendObj = (obj) => this.WebSocket.send(JSON.stringify(obj))
@@ -28,18 +28,16 @@ export default class {
 
   passToStore (eventName, event) {
     if (!eventName.startsWith('SOCKET_')) { return }
+    let method = 'commit'
+    let target = eventName.toUpperCase()
+    let msg = event
     if (this.format === 'json' && event.data) {
-      let msg = JSON.parse(event.data)
-      let target = msg.namespace || ''
-      if (msg.mutation) {
-        this.store.commit([target, msg.mutation].join('/'), msg)
-      }
+      msg = JSON.parse(event.data)
+      target = [msg.namespace || '', msg.mutation].filter((e) => !!e).join('/')
       if (msg.action) {
-        this.store.dispatch([target, msg.action].join('/'), msg)
+        method = 'dispatch'
       }
-    } else {
-      // default mutation
-      this.store.commit(eventName.toUpperCase(), event)
     }
+    this.store[method](target, msg)
   }
 }

test/unit/index.js

@@ -0,0 +1,13 @@
+import Vue from 'vue'
+
+Vue.config.productionTip = false
+
+// require all test files (files that ends with .spec.js)
+const testsContext = require.context('./specs', true, /\.spec$/)
+testsContext.keys().forEach(testsContext)
+
+// require all src files except main.js for coverage.
+// you can also change this to match only the subset of files that
+// you want coverage for.
+const srcContext = require.context('../../src', true, /^\.\/(?!main(\.js)?$)/)
+srcContext.keys().forEach(srcContext)

test/unit/karma.conf.js

@@ -0,0 +1,44 @@
+var webpackConfig = require('../../webpack.config.js')
+
+module.exports = function (config) {
+  configuration = {
+    browsers: [
+      //'Chrome'
+      'ChromeHeadless'
+    ],
+    frameworks: [
+      'mocha',
+      'sinon-chai'
+    ],
+    reporters: ['spec', 'coverage'],
+    files: ['./index.js'],
+    preprocessors: {
+      './index.js': ['webpack', 'sourcemap']
+    },
+    webpack: webpackConfig,
+    webpackMiddleware: {
+      noInfo: true
+    },
+    coverageReporter: {
+      dir: './coverage',
+      reporters: [
+        { type: 'lcov', subdir: '.' },
+        { type: 'text-summary' }
+      ]
+    },
+    customLaunchers: {
+      ChromeHeadless: {
+        base: 'Chrome',
+        flags: [
+          '--headless',
+          '--disable-gpu',
+          // Without a remote debugging port, Google Chrome exits immediately.
+          '--remote-debugging-port=9222',
+        ]
+      }
+    }
+  }
+
+  config.set(configuration)
+}
+

test/unit/specs/Emitter.spec.js

@@ -0,0 +1,41 @@
+import Vue from 'vue'
+
+// bring in the Emitter class, not the singleton
+let EmitterClass = require('exports-loader?Emitter!@/Emitter')
+
+describe ("Emitter.js", () => {
+
+  let vm = new Vue()
+  let Emitter
+
+  beforeEach (() => {
+    Emitter = new EmitterClass()
+  })
+
+  it ('registers an handler', () => {
+    expect(Emitter.listeners.size).to.equal(0)
+    Emitter.addListener('[event_type]', (value) => {}, vm)
+    expect(Emitter.listeners.size).to.equal(1)
+  })
+
+  it ('unregisters a registered handler', () => {
+    let event_type = 'atype', cb = (value) => {}
+    should.not.exist(Emitter.listeners.get(event_type))
+    Emitter.addListener(event_type, cb, vm)
+    expect(Emitter.listeners.get(event_type).length).to.equal(1)
+    Emitter.removeListener(event_type, cb, vm)
+    expect(Emitter.listeners.get(event_type).length).to.equal(0)
+  })
+
+  it ('fires an events', (done) => {
+    let event_type = 'syn', expected_response = 'ack'
+    expect(Emitter.listeners.size).to.equal(0)
+    Emitter.addListener(event_type, (value) => {
+      expect(value).to.equal(expected_response)
+      done()
+    }, vm)
+    expect(Emitter.listeners.size).to.equal(1)
+    Emitter.emit(event_type, expected_response)
+  })
+
+})

test/unit/specs/Main.spec.js

@@ -0,0 +1,21 @@
+import Vue from 'vue'
+import VueNativeSock from '@/Main'
+
+import { Server } from 'mock-socket'
+
+describe("Main.js", () =>{
+
+  let mockServer
+
+  it ('can be bound to the onopen event', (done) => {
+    mockServer = new Server('ws://localhost:8080')
+    Vue.use(VueNativeSock, 'ws://localhost:8080', null)
+    let vm = new Vue()
+    vm.$options.sockets.onopen = (data) => {
+      expect(data.type).to.equal('open')
+      mockServer.stop(done)
+    }
+  })
+
+})
+

test/unit/specs/Observer.spec.js

@@ -0,0 +1,77 @@
+import Vue from 'vue'
+import Emitter from '@/Emitter'
+import Observer from '@/Observer'
+
+import { Server, WebSocket } from 'mock-socket'
+
+describe ("Observer.js", () => {
+  let observer, mockServer
+
+  let wsUrl = 'ws://localhost:8080'
+
+  it ('fires onopen event', (done) => {
+    mockServer = new Server(wsUrl)
+    mockServer.on('connection', ws => {
+      ws.send('hi')
+    })
+    Vue.use(VueNativeSock, wsUrl)
+    let vm = new Vue()
+    observer = new Observer(wsUrl)
+    Emitter.addListener('onopen', (data) => {
+      expect(data.type).to.equal('open')
+      mockServer.stop(done)
+    }, vm)
+  })
+
+  // TODO: DRY
+  it ('passes a json event to the provided vuex store', (done) => {
+    let expectedMsg = { mutation: 'setName', value: 'steve' }
+    let mockStore = sinon.mock({ commit: () => {} })
+    mockStore.expects('commit').withArgs('SOCKET_ONOPEN')
+    mockStore.expects('commit').withArgs(expectedMsg.mutation)
+
+    mockServer = new Server(wsUrl)
+    mockServer.on('connection', ws => {
+      ws.send(JSON.stringify(expectedMsg))
+    })
+
+    Vue.use(VueNativeSock, wsUrl)
+    let vm = new Vue()
+    observer = new Observer(wsUrl, null, mockStore.object, {
+      format: 'json',
+      websocket: new WebSocket(wsUrl)
+    })
+
+    setTimeout(() => {
+      mockStore.verify()
+      mockServer.stop(done)
+    }, 100)
+  })
+
+  // TODO: DRY
+  it ('passes a namespaced json event to the provided vuex store', (done) => {
+    let expectedMsg = { namespace: 'users', mutation: 'setName', value: 'steve' }
+    let mockStore = sinon.mock({ commit: () => {} })
+    mockStore.expects('commit').withArgs('SOCKET_ONOPEN')
+    mockStore.expects('commit').withArgs(expectedMsg.namespace + '/' + expectedMsg.mutation)
+
+    mockServer = new Server(wsUrl)
+    mockServer.on('connection', ws => {
+      ws.send(JSON.stringify(expectedMsg))
+    })
+
+    Vue.use(VueNativeSock, wsUrl)
+    let vm = new Vue()
+    observer = new Observer(wsUrl, null, mockStore.object, {
+      format: 'json',
+      websocket: new WebSocket(wsUrl)
+    })
+
+    setTimeout(() => {
+      mockStore.verify()
+      mockServer.stop(done)
+    }, 100)
+  })
+
+})
+

webpack.config.js

@@ -1,5 +1,6 @@
-var path = require('path');
-var webpack = require('webpack');
+var path = require('path')
+var webpack = require('webpack')
+
 module.exports = {
   entry: ['./src/Main.js'],
   output: {
@@ -16,6 +17,11 @@ module.exports = {
       }
     })
   ],
+  resolve: {
+    alias: {
+      '@': path.resolve(__dirname, './src'),
+    }
+  },
   module: {
     loaders: [
       {