ci(test): use eslint as ci command and add all js files to check by e…

…slint (#410)

no-unused-expressions ignore for tests uses chai expect

.eslintrc

@@ -7,5 +7,13 @@
   "globals": {
     "expect": true,
     "sinon": true
-  }
+  },
+  "overrides": [
+    {
+      "files": ["test/**/*.js"],
+      "rules": {
+        "no-unused-expressions": "off"
+      }
+    }
+  ]
 }

.travis.yml

@@ -10,4 +10,5 @@ before_script:
   - npm install -g grunt-cli
 
 script:
+  - npm run lint
   - grunt

gruntfile.js

@@ -58,20 +58,12 @@ module.exports = function (grunt) {
       coffeeRequireJS: {
         configFile: 'examples/coffee-requirejs/karma.conf.coffee'
       }
-    },
-    eslint: {
-      target: [
-        'lib/*.js',
-        'gruntfile.js',
-        'karma.conf.js'
-      ]
     }
   })
 
   require('load-grunt-tasks')(grunt)
 
-  grunt.registerTask('test', ['simplemocha', 'karma'])
-  grunt.registerTask('default', ['eslint', 'test'])
+  grunt.registerTask('default', ['simplemocha', 'karma'])
 
   grunt.registerTask('release', 'Bump the version and publish to NPM.', function (type) {
     grunt.task.run([

package.json

@@ -4,7 +4,8 @@
   "description": "A Karma plugin. Generate code coverage.",
   "main": "lib/index.js",
   "scripts": {
-    "test": "grunt test"
+    "lint": "eslint **/*.js",
+    "test": "grunt"
   },
   "repository": {
     "type": "git",
@@ -40,7 +41,6 @@
     "grunt-cli": "^1.3.2",
     "grunt-conventional-changelog": "^6.1.0",
     "grunt-conventional-github-releaser": "^1.0.0",
-    "grunt-eslint": "^22.0.0",
     "grunt-karma": "^3.0.2",
     "grunt-npm": "^0.0.2",
     "grunt-simple-mocha": "^0.4.1",

test/in-memory-report.spec.js

@@ -1,17 +1,17 @@
 const InMemoryReport = require('../lib/in-memory-report')
 
 describe('InMemoryReport', () => {
-  const emitter = {emit: sinon.stub()}
+  const emitter = { emit: sinon.stub() }
   const browser = { name: 'firefox' }
   const result = { test: { data: 'result' } }
   const fc = {
     path: 'test',
     toJSON: sinon.stub().returns({ data: 'result' })
   }
-  const node = {getFileCoverage: sinon.stub().returns(fc)}
+  const node = { getFileCoverage: sinon.stub().returns(fc) }
 
   it('should raise an "coverage_complete" event.', () => {
-    const sut = new InMemoryReport({browser, emitter})
+    const sut = new InMemoryReport({ browser, emitter })
     sut.onStart()
     sut.onDetail(node)
     sut.onEnd()

test/preprocessor.spec.js

@@ -22,14 +22,16 @@ describe('preprocessor', () => {
     other()
   `
 
-  const mockLogger = {create: () => {
-    return {
-      error: (...arg) => { throw new Error(util.format.apply(util, arg)) },
-      warn: () => {},
-      info: () => {},
-      debug: () => {}
+  const mockLogger = {
+    create: () => {
+      return {
+        error: (...arg) => { throw new Error(util.format.apply(util, arg)) },
+        warn: () => {},
+        info: () => {},
+        debug: () => {}
+      }
     }
-  }}
+  }
 
   // TODO(vojta): refactor this somehow ;-) it's copy pasted from lib/file-list.js
   function File (path, mtime) {
@@ -72,6 +74,7 @@ describe('preprocessor', () => {
       instrument (_a, _b, callback) {
         callback()
       }
+
       lastSourceMap () {}
     }
     const process = createPreprocessor(mockLogger, '/base/path', ['coverage', 'progress'], {
@@ -103,9 +106,11 @@ describe('preprocessor', () => {
       constructor (options) {
         expect(options.experimental).to.be.ok
       }
+
       instrument (_a, _b, callback) {
         callback()
       }
+
       lastSourceMap () {}
     }
     const process = createPreprocessor(mockLogger, '/base/path', ['coverage', 'progress'], {
@@ -129,7 +134,7 @@ describe('preprocessor', () => {
   })
 
   it('should not preprocess the coffee code', (done) => {
-    const process = createPreprocessor(mockLogger, '/base/path', ['coverage', 'progress'], {instrumenter: {'**/*.coffee': 'istanbul'}})
+    const process = createPreprocessor(mockLogger, '/base/path', ['coverage', 'progress'], { instrumenter: { '**/*.coffee': 'istanbul' } })
     const file = new File('/base/path/file.coffee')
 
     process(ORIGINAL_CODE, file, (preprocessedCode) => {
@@ -147,7 +152,7 @@ describe('preprocessor', () => {
 
   it('should fail if invalid instrumenter provided', () => {
     const work = () => {
-      createPreprocessor(mockLogger, '/base/path', ['coverage', 'progress'], {instrumenter: {'**/*.coffee': 'madeup'}})
+      createPreprocessor(mockLogger, '/base/path', ['coverage', 'progress'], { instrumenter: { '**/*.coffee': 'madeup' } })
     }
     expect(work).to.throw()
   })
@@ -193,6 +198,7 @@ describe('preprocessor', () => {
       instrument (_a, _b, callback) {
         callback()
       }
+
       lastSourceMap () {}
     }
 

test/reporter.spec.js

@@ -49,8 +49,8 @@ describe('reporter', () => {
   let globalCoverageMapGetStub = null
   let reportCreateStub = null
 
-  const mockFs = {writeFile: sinon.spy()}
-  const mocks = {fs: mockFs}
+  const mockFs = { writeFile: sinon.spy() }
+  const mocks = { fs: mockFs }
 
   beforeEach(() => {
     mockCoverageSummary = {
@@ -111,19 +111,21 @@ describe('reporter', () => {
     let browsers = null
     let fakeChrome = null
     let fakeOpera = null
-    const mockLogger = { create: (name) => {
-      return {
-        debug () {},
-        info () {},
-        warn () {},
-        error () {}
+    const mockLogger = {
+      create: (name) => {
+        return {
+          debug () {},
+          info () {},
+          warn () {},
+          error () {}
+        }
       }
-    }}
+    }
 
     beforeEach(() => {
       rootConfig = {
         basePath: '/base',
-        coverageReporter: {dir: 'path/to/coverage/'}
+        coverageReporter: { dir: 'path/to/coverage/' }
       }
       emitter = new events.EventEmitter()
       reporter = new m.CoverageReporter(rootConfig, mockHelper, mockLogger, emitter)
@@ -446,24 +448,26 @@ describe('reporter', () => {
 
       mockCoverageMap.files.returns(['./foo/bar.js', './foo/baz.js'])
       mockCoverageSummary.toJSON.returns({
-        lines: {total: 5, covered: 1, skipped: 0, pct: 20},
-        statements: {total: 5, covered: 1, skipped: 0, pct: 20},
-        functions: {total: 5, covered: 1, skipped: 0, pct: 20},
-        branches: {total: 5, covered: 1, skipped: 0, pct: 20}
+        lines: { total: 5, covered: 1, skipped: 0, pct: 20 },
+        statements: { total: 5, covered: 1, skipped: 0, pct: 20 },
+        functions: { total: 5, covered: 1, skipped: 0, pct: 20 },
+        branches: { total: 5, covered: 1, skipped: 0, pct: 20 }
       })
 
       const spy1 = sinon.spy()
 
-      const customLogger = {create: (name) => {
-        return {
-          debug () {},
-          info () {},
-          warn () {},
-          error: spy1
+      const customLogger = {
+        create: (name) => {
+          return {
+            debug () {},
+            info () {},
+            warn () {},
+            error: spy1
+          }
         }
-      }}
+      }
 
-      const results = {exitCode: 0}
+      const results = { exitCode: 0 }
 
       reporter = new m.CoverageReporter(customConfig, mockHelper, customLogger)
       reporter.onRunStart()
@@ -487,24 +491,26 @@ describe('reporter', () => {
 
       mockCoverageMap.files.returns(['./foo/bar.js', './foo/baz.js'])
       mockCoverageSummary.toJSON.returns({
-        lines: {total: 5, covered: 1, skipped: 0, pct: 20},
-        statements: {total: 5, covered: 1, skipped: 0, pct: 20},
-        functions: {total: 5, covered: 1, skipped: 0, pct: 20},
-        branches: {total: 5, covered: 1, skipped: 0, pct: 20}
+        lines: { total: 5, covered: 1, skipped: 0, pct: 20 },
+        statements: { total: 5, covered: 1, skipped: 0, pct: 20 },
+        functions: { total: 5, covered: 1, skipped: 0, pct: 20 },
+        branches: { total: 5, covered: 1, skipped: 0, pct: 20 }
       })
 
       const spy1 = sinon.spy()
 
-      const customLogger = {create: (name) => {
-        return {
-          debug () {},
-          info () {},
-          warn () {},
-          error: spy1
+      const customLogger = {
+        create: (name) => {
+          return {
+            debug () {},
+            info () {},
+            warn () {},
+            error: spy1
+          }
         }
-      }}
+      }
 
-      const results = {exitCode: 0}
+      const results = { exitCode: 0 }
 
       reporter = new m.CoverageReporter(customConfig, mockHelper, customLogger)
       reporter.onRunStart()