mochawesome-report-generator

v6.2.0

Published

2 years ago

Generates gorgeous HTML reports from mochawesome reporter.

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adamgruber

mochawesome mocha reporter json react report generator

mochawesome-report-generator (marge)

marge (mochawesome-report-generator) is the counterpart to mochawesome, a custom reporter for use with the Javascript testing framework, mocha. Marge takes the JSON output from mochawesome and generates a full fledged HTML/CSS report that helps visualize your test suites.

Features

Simple, clean, and modern design
Support for test and suite nesting
Displays before and after hooks
Review test code inline
Stack trace for failed tests
Support for adding context information to tests
Filters to display only the tests you want
Responsive and mobile-friendly
Offline viewing
CLI for generating reports independent of mochawesome

Usage with mochawesome

Add Mochawesome to your project:

npm install --save-dev mochawesome

Tell mocha to use the Mochawesome reporter:

mocha testfile.js --reporter mochawesome

If using mocha programatically:

var mocha = new Mocha({
  reporter: 'mochawesome'
});

CLI Usage

Install mochawesome-report-generator package

npm install -g mochawesome-report-generator

Run the command

marge [options] data_file [data_file2 ...]

Output

marge generates the following inside your project directory:

mochawesome-report/
├── assets
│   ├── app.css
│   ├── app.js
│   ├── MaterialIcons-Regular.woff
│   ├── MaterialIcons-Regular.woff2
│   ├── roboto-light-webfont.woff
│   ├── roboto-light-webfont.woff2
│   ├── roboto-medium-webfont.woff
│   ├── roboto-medium-webfont.woff2
│   ├── roboto-regular-webfont.woff
│   └── roboto-regular-webfont.woff2
└── mochawesome.html

Options

CLI Flags

marge can be configured via the following command line flags:

Boolean options can be negated by adding --no before the option. For example: --no-code would set code to false.

reportFilename replacement tokens

Using the following tokens it is possible to dynamically alter the filename of the generated report.

[name] will be replaced with the spec filename when possible.
[status] will be replaced with the status (pass/fail) of the test run.
[datetime] will be replaced with a timestamp. The format can be - specified using the timestamp option.

For example, given the spec cypress/integration/sample.spec.js and the following config:

{
  reporter: "mochawesome",
  reporterOptions: {
    reportFilename: "[status]_[datetime]-[name]-report",
    timestamp: "longDate"
  }
}

The resulting report file will be named pass_February_23_2022-sample-report.html

Note: The [name] replacement only occurs when mocha is running one spec file per process and outputting a separate report for each spec. The most common use-case is with Cypress.

overwrite

By default, report files are overwritten by subsequent report generation. Passing --overwrite=false will not replace existing files. Instead, if a duplicate filename is found, the report will be saved with a counter digit added to the filename. (ie. mochawesome_001.html).

Note: overwrite will always be false when passing multiple files or using the timestamp option.

timestamp

The timestamp option can be used to append a timestamp to the report filename. It uses dateformat to parse format strings so you can pass any valid string that dateformat accepts with a few exceptions. In order to produce valid filenames, the following replacements are made:

If you pass true as the format string, it will default to isoDateTime.

mochawesome `reporter-options`

The above CLI flags can be used as reporter-options when using the mochawesome reporter.

Use them in a .mocharc.js file:

module.exports = {
    reporter: 'node_modules/mochawesome',
    'reporter-option': [
        'overwrite=true',
        'reportTitle=My\ Custom\ Title',
        'showPassed=false'
    ],
};

or as an object when using mocha programmatically:

const mocha = new Mocha({
  reporter: 'mochawesome',
  reporterOptions: {
    overwrite: true,
    reportTitle: 'My Custom Title',
    showPassed: false
  }
});

Development

To develop locally, clone the repo and install dependencies. In order to test end-to-end you must also clone mochawesome into a directory at the same level as this repo.

You can start the dev server with npm run devserver. If you are working on the CLI, use npm run dev:cli to watch for changes and rebuild.

Running Tests

Unit Tests

To run unit tests, simply use npm run test. You can also run a single unit test with npm run test:single path/to/test.js.

Functional Tests

Functional tests allow you to run real-world test cases in order to debug the output report. First, start up the dev server in one terminal window with npm run devserver. Then, in another window, run the tests with npm run test:functional. This will generate a report that you can open in the browser and debug.

If you want to run a specific folder of functional tests: npm run test:functional path/to/tests

Or if you want to run a single test: npm run test:functional path/to/test.js

Or mix and match: npm run test:functional path/to/some/tests path/to/another/test.js