WebdriverIO Reporter

A WebdriverIO utility to help reporting all events

The wdio-reporter package can be used to create own custom reporter and publish them to NPM. They have to follow a specific convention as described below in order to work properly. First you need to add wdio-reporter as dependency of your custom reporter:

npm install wdio-reporter

yarn add wdio-reporter

Then you need to extend your reporter with the main wdio-reporter class:

import WDIOReporter from 'wdio-reporter'

export default MyCustomeReporter extends WDIOReporter {
    constructor () {
        super()
        // your custom logic if necessary
        // ...
    }

    onRunnerStart () {
        // ...
    }

    onSuiteStart (suite) {
        // ...
    }

    // ...
}

The WDIOReporter calls your event functions if provided when an event was triggered and provides information on that event in a consistent format. You can always register your own listener to receive the raw data that was provided by the framework, e.g. instead of using the onSuiteStart method you can do:

this.on('suite:start', (raw) => {
    // ...
})

in your constructor function.

Configuration

User can pass in custom configurations for each reporter. Per default WebdriverIO populates the logDir and logLevel option to the reporter, they can get overwritten too. For example, if the user has provided the following reporter options:

// wdio.conf.js
exports.config = {
    // ...
    reporters: ['dot', ['my-reporter', {
        logDir: '/some/path',
        foo: 'bar'
    }]]
    // ...
}

your options in your reporter class are as follows:

export default class MyReporter extends WDIOReporter {
    constructor () {
        super()
        console.log(this.options)
        /**
         * outputs:
         * {
         *   logDir: '/some/path',
         *   logLevel: 'trace',
         *   foo: 'bar'
         * }
         */
    }
}

You can access all options via this.options. You can push logs to stdout or a log file depending of whether the stdout option is true or false. Please use the internal method write that is provided by the WDIOReporter parent class in order to push out logs, e.g.

class MyReporter extends WDIOReporter {
    constructor (options) {
        /**
         * make dot reporter to write to output stream by default
         */
        options = Object.assign(options, { stdout: true })
        super(options)
    }

    // ...
    onTestPass (test) {
        this.write(`test "${test.title}" passed`)
    }
    // ...
}

This will result the following output:

"MyReporter" Reporter:
test "some test" passed
test "some other test" passed

"spec" Reporter:
...

If stdout is set to false WebdriverIO will automatically write to a filestream at a location where other logs are stored as well.

Events

During a test run in WebdriverIO several events are thrown and can be captured by your event functions. The following events are propagated:

Test Events

These events are containing data about the test regardless of the framework it is running in.

onSuiteStart

SuiteStats {
  type: 'suite',
  start: '2018-02-09T13:30:40.177Z',
  duration: 0,
  uid: 'root suite2',
  cid: '0-0',
  title: 'root suite',
  fullTitle: 'root suite',
  tests: [],
  hooks: [],
  suites: [] } }

onSuiteEnd

SuiteStats {
  type: 'suite',
  start: '2018-02-09T13:30:40.177Z',
  duration: 1432,
  uid: 'root suite2',
  cid: '0-0',
  title: 'root suite',
  fullTitle: 'root suite',
  tests: [ [TestStats] ],
  hooks: [ [HookStats], [HookStats] ],
  suites: [ [Object] ],
  end: '2018-02-09T13:30:41.609Z' } }

onHookStart

HookStats {
  type: 'hook',
  start: '2018-02-09T13:30:40.181Z',
  duration: 0,
  uid: '"before each" hook4',
  cid: '0-0',
  title: '"before each" hook',
  parent: 'root suite',
  parentUid: 'root suite2' } }

onHookEnd

HookStats {
  type: 'hook',
  start: '2018-02-09T13:30:40.181Z',
  duration: 1,
  uid: '"before each" hook4',
  cid: '0-0',
  title: '"before each" hook',
  parent: 'root suite',
  parentUid: 'root suite2',
  end: '2018-02-09T13:30:40.182Z' } }

onTestStart

TestStats {
  type: 'test',
  start: '2018-02-09T13:30:40.180Z',
  duration: 0,
  uid: 'passing test3',
  cid: '0-0',
  title: 'passing test',
  fullTitle: 'passing test',
  state: 'pending' } }

onTestSkip

TestStats {
  type: 'test',
  start: '2018-02-09T14:01:04.573Z',
  duration: 0,
  uid: 'skipped test6',
  cid: '0-0',
  title: 'skipped test',
  fullTitle: 'skipped test',
  state: 'skipped' }

onTestPass

TestStats {
  type: 'test',
  start: '2018-02-09T14:11:28.075Z',
  duration: 1503,
  uid: 'passing test3',
  cid: '0-0',
  title: 'passing test',
  fullTitle: 'passing test',
  state: 'passed',
  end: '2018-02-09T14:11:29.578Z' } }

onTestFail

TestStats {
     type: 'test',
     start: '2018-02-09T14:11:29.581Z',
     duration: 21,
     uid: 'failing test8',
     cid: '0-0',
     title: 'failing test',
     fullTitle: 'failing test',
     state: 'failed',
     end: '2018-02-09T14:11:29.602Z',
     error:
      { message: 'some error',
        stack: `Error: some error\n    at Context.it (/path/to/project/test/b.js:17:19)\n
  at /path/to/project/packages/wdio-sync/src/index.js:490:28\n    at Promise (<anonymous>)\
n    at F (/path/to/project/node_modules/core-js/library/modules/_export.js:35:28)\n    at
Context.executeSync (/path/to/project/packages/wdio-sync/src/index.js:488:12)\n    at /path/to/project/packages/wdio-sync/src/index.js:623:33`,
        type: 'Error' } } }

onTestEnd

TestStats {
  type: 'test',
  start: '2018-02-09T14:11:28.075Z',
  duration: 1503,
  uid: 'passing test3',
  cid: '0-0',
  title: 'passing test',
  fullTitle: 'passing test',
  state: 'passed',
  end: '2018-02-09T14:11:29.578Z' } }

Runner Events

These events contain information on the test runner.

onRunnerStart

RunnerStats {
  type: 'runner',
  start: '2018-02-09T14:30:19.871Z',
  duration: 0,
  cid: '0-0',
  capabilities:
   { acceptInsecureCerts: false,
     browserName: 'firefox',
     browserVersion: '59.0',
     'moz:accessibilityChecks': false,
     'moz:headless': false,
     'moz:processID': 92113,
     'moz:profile': '/var/folders/ns/8mj2mh0x27b_gsdddy1knnsm0000gn/T/rust_mozprofile.jlpfs632Becb',
     'moz:webdriverClick': true,
     pageLoadStrategy: 'normal',
     platformName: 'darwin',
     platformVersion: '17.3.0',
     rotatable: false,
     timeouts: { implicit: 0, pageLoad: 300000, script: 30000 } },
  sanitizedCapabilities: 'firefox.59_0.darwin',
  config: [Object],
  specs: [ '/path/to/project/test/my.test.js' ] }

onRunnerEnd

RunnerStats {
  type: 'runner',
  start: '2018-02-09T14:30:19.871Z',
  duration: 1546,
  uid: undefined,
  cid: '0-0',
  capabilities: [Object],
  sanitizedCapabilities: 'firefox.59_0.darwin',
  config: [Object],
  specs: [ '/path/to/project/test/my.test.js' ],
  failures: 1,
  end: '2018-02-09T14:30:21.417Z' } }

Client Events

Client events are triggered when certain interactions with the automation driver are happening.

onBeforeCommand

{ method: 'GET',
  endpoint: '/session/:sessionId/element',
  body: { using: 'css selector', value: 'img' }
  cid: '0-0',
  sessionId: '4d1707ae-820f-1645-8485-5a820b2a40da',
  capabilities: [Object] }

onAfterCommand

{ method: 'GET',
  endpoint: '/session/:sessionId/element/fbf57b79-6521-7d49-b3b7-df91cf2c347a/rect',
  body: {},
  result: { value: { x: 75, y: 11, width: 160, height: 160 } },
  cid: '0-0',
  sessionId: '4d1707ae-820f-1645-8485-5a820b2a40da',
  capabilities: [Object] }

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