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Unit tests

PHPUnit

Run tests in cli

Tuleap comes with a handy test environment, based on PHPUnit. Core tests (for things in src directory) can be found in tests/phpunit directory with same subdirectory organization (eg. src/common/frs/FRSPackage.class.php tests are in tests/phpunit/common/frs/FRSPackageTest.php). Plugins tests are in each plugin tests directory.

To run tests you can either use multiple CLI commands (at the root of Tuleap sources):

  • make phpunit-docker-73
  • make phpunit-docker-74

Helpers and database

A bit of vocabulary

Interactions between Tuleap and the database should be done via DataAccessObject (aka. dao) objects (see src/common/dao/include/DataAccessObject.class.php) A dao that returns rows from database wrap the result in a DataAccessResult (aka. dar) object (see src/common/dao/include/DataAccessResult.class.php)

Tuleap provides a class TestHelper.class who will help you to ease interaction with database objects.

Jest unit tests

Jest is the Javascript testing framework to write down our JavaScript unit tests.

You must provide some unit tests for any front-end development.

In this section you will find guidelines on how to setup your own Jest tests.

How to bootstrap your unit tests

First, it is necessary to have a Jest configuration file named jest.config.js. This config file is pretty easy to set up.

// tuleap/plugins/<your_plugin>/jest.config.js

const base_config = require("../../tests/jest/jest.base.config.js");

module.exports = {
    ...base_config,
    displayName: "<your_plugin>"
};

You will then need to add a test script in your package.json file to launch Jest when pnpm test is used.

// tuleap/plugins/<your_plugin>/package.json
{
    //...
    "scripts": {
        //...
        "test": "jest"
        //...
    }
}

How to debug tests

If you are using an IDE from JetBrains you should be able to run the tests and add breakpoints out of the box. For more information you can consult the Jest documentation about debugging in WebStorm.

For others tools, like VS Code check out the Jest documentation.

Best-practices for Tuleap

When you submit a patch for review, we may request changes to better match the following best practices. Please try to follow them.

  • Always name unit test files with the same name as their test subject and suffixed with .test.ts. For example: form-tree-builder.test.ts tests form-tree-builder.ts, DocumentBreadcrumb.test.ts tests DocumentBreadcrumb.vue.
  • Always put unit test files next to their test subject, in the same folder. See Angular.js Style Guide rule for reasons why having unit tests close to the source is a good idea.

Resources

The Vue.js community has no recommendation at the time of writing. Some projects write unit tests in a separate folder hierarchy, some write them side-by-side with source files. We chose the latter for reasons outlined in the Angular.js Style Guide rule.