@wdio/cucumber-framework
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8.38.2 • Public • Published

WDIO Cucumber Framework Adapter

A WebdriverIO plugin. Adapter for CucumberJS v5 testing framework.

Installation

The easiest way is to keep @wdio/cucumber-framework as a devDependency in your package.json, via:

npm install @wdio/cucumber-framework --save-dev

Instructions on how to install WebdriverIO can be found here.

Configuration

Following code shows the default wdio test runner configuration...

// wdio.conf.js
module.exports = {
  // ...
  framework: 'cucumber',
  cucumberOpts: {
    timeout: 10000
  }
  // ...
};

cucumberOpts Options

backtrace

Show full backtrace for errors.

Type: Boolean
Default: false

requireModule

Require modules prior to requiring any support files.

Type: String[]
Default: []
Example: ['@babel/register'] or [['@babel/register', { rootMode: 'upward', ignore: ['node_modules'] }]]

failFast

Abort the run on first failure.

Type: Boolean
Default: false

name

Only execute the scenarios with name matching the expression (repeatable).

Type: REGEXP[]
Default: []

require

Require files containing your step definitions before executing features. You can also specify a glob to your step definitions.

Type: String[]
Default: []
Example: [path.join(__dirname, 'step-definitions', 'my-steps.js')]

import

Paths to where your support code is, for ESM.

Type: String[]
Default: []
Example: [path.join(__dirname, 'step-definitions', 'my-steps.js')]

strict

Fail if there are any undefined or pending steps

Type: Boolean
Default: false

tags

Only execute the features or scenarios with tags matching the expression. Note that untagged features will still spawn a Selenium session (see issue webdriverio/webdriverio#1247). Please see the Cucumber documentation for more details. If passing as a command-line argument, compound expressions may need to be enclosed in three sets of double quotes if WebdriverIO is invoked using npx on Windows.

E.g.: npx wdio wdio.config.js --cucumberOpts.tags """@Smoke and not @Pending"""

Type: String
Default: ``

timeout

Timeout in milliseconds for step definitions.

Type: Number
Default: 30000

retry

Specify the number of times to retry failing test cases.

Type: Number
Default: 0

retryTagFilter

Only retries the features or scenarios with tags matching the expression (repeatable). This option requires '--retry' to be specified.

Type: RegExp

language

Default language for your feature files

Type: String
Default: en

order

Run tests in defined / random order

Type: String
Default: defined

format

Name and output file path of formatter to use. WebdriverIO primarily supports only the Formatters that writes output to a file.

Type: string[]

formatOptions

Options to be provided to formatters

Type: object

tagsInTitle

Add cucumber tags to feature or scenario name

Type: Boolean
Default: false

Please note that this is a @wdio/cucumber-framework specific option and not recognized by cucumber-js itself

ignoreUndefinedDefinitions

Treat undefined definitions as warnings.

Type: Boolean
Default: false

Please note that this is a @wdio/cucumber-framework specific option and not recognized by cucumber-js itself

failAmbiguousDefinitions

Treat ambiguous definitions as errors.

Type: Boolean
Default: false

Please note that this is a @wdio/cucumber-framework specific option and not recognized by cucumber-js itself

tagExpression

Only execute the features or scenarios with tags matching the expression. Note that untagged features will still spawn a Selenium session (see issue webdriverio/webdriverio#1247). Please see the Cucumber documentation for more details. If passing as a command-line argument, compound expressions may need to be enclosed in three sets of double quotes if WebdriverIO is invoked using npx on Windows.

E.g.: npx wdio wdio.config.js --cucumberOpts.tagExpression """@Smoke and not @Pending"""

Type: String
Default: ``

Please note that this option would be deprecated in future. Use tags config property instead

profile

Specify the profile to use.

Type: string[]
Default: []

Kindly take note that only specific values (worldParameters, name, retryTagFilter) are supported within profiles, as cucumberOpts takes precedence. Additionally, when using a profile, make sure that the mentioned values are not declared within cucumberOpts.

Publishing Report

Cucumber provides a feature to publish your test run reports to https://reports.cucumber.io/, which can be controlled either by setting the publish flag in cucumberOpts or by configuring the CUCUMBER_PUBLISH_TOKEN environment variable. However, when you use WebdriverIO for test execution, there's a limitation with this approach. It updates the reports separately for each feature file, making it difficult to view a consolidated report.

To overcome this limitation, we've introduced a promise-based method called publishCucumberReport within @wdio/cucumber-framework. This method should be called in the onComplete hook, which is the optimal place to invoke it. publishCucumberReport requires the input of the report directory where cucumber message reports are stored.

You can generate cucumber message reports by configuring the format option in your cucumberOpts. It's highly recommended to provide a dynamic file name within the cucumber message format option to prevent overwriting reports and ensure that each test run is accurately recorded.

Before using this function, make sure to set the following environment variables:

  • CUCUMBER_PUBLISH_REPORT_URL: The URL where you want to publish the Cucumber report. If not provided, the default URL 'https://messages.cucumber.io/api/reports' will be used.
  • CUCUMBER_PUBLISH_REPORT_TOKEN: The authorization token required to publish the report. If this token is not set, the function will exit without publishing the report.

Here's an example of the necessary configurations and code samples for implementation:

import { v4 as uuidv4 } from 'uuid'
import { publishCucumberReport } from '@wdio/cucumber-framework';

export const config = {
    // ... Other Configuration Options
    cucumberOpts: {
        // ... Cucumber Options Configuration
        format: [
            ['message', `./reports/${uuidv4()}.ndjson`],
            ['json', './reports/test-report.json']
        ]
    },
    async onComplete() {
        await publishCucumberReport('./reports');
    }
}

Please note that ./reports/ is the directory where cucumber message reports will be stored.


For more information on WebdriverIO see the homepage.

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  • christian-bromann
  • wdio-user
  • wswebcreation-nl