TestRequirementsTrait.php in Drupal 8
Same filename and directory in other branches
Namespace
Drupal\TestsFile
core/tests/Drupal/Tests/TestRequirementsTrait.phpView source
<?php
namespace Drupal\Tests;
use Drupal\Core\Extension\ExtensionDiscovery;
use PHPUnit\Util\Test;
use PHPUnit\Framework\SkippedTestError;
/**
* Allows test classes to require Drupal modules as dependencies.
*
* This trait is assumed to be on a subclass of \PHPUnit\Framework\TestCase, and
* overrides \PHPUnit\Framework\TestCase::checkRequirements(). This allows the
* test to be marked as skipped before any kernel boot processes have happened.
*/
trait TestRequirementsTrait {
/**
* Returns the Drupal root directory.
*
* @return string
*/
protected static function getDrupalRoot() {
return dirname(dirname(substr(__DIR__, 0, -strlen(__NAMESPACE__))));
}
/**
* Check module requirements for the Drupal use case.
*
* This method is assumed to override
* \PHPUnit\Framework\TestCase::checkRequirements().
*
* @throws \PHPUnit\Framework\SkippedTestError
* Thrown when the requirements are not met, and this test should be
* skipped. Callers should not catch this exception.
*/
protected function checkRequirements() {
if (!$this
->getName(FALSE) || !method_exists($this, $this
->getName(FALSE))) {
return;
}
$missingRequirements = Test::getMissingRequirements(get_class($this), $this
->getName(FALSE));
if (!empty($missingRequirements)) {
$this
->markTestSkipped(implode(PHP_EOL, $missingRequirements));
}
$root = static::getDrupalRoot();
// Check if required dependencies exist.
$annotations = $this
->getAnnotations();
if (!empty($annotations['class']['requires'])) {
$this
->checkModuleRequirements($root, $annotations['class']['requires']);
}
if (!empty($annotations['method']['requires'])) {
$this
->checkModuleRequirements($root, $annotations['method']['requires']);
}
}
/**
* Checks missing module requirements.
*
* Iterates through a list of requires annotations and looks for missing
* modules. The test will be skipped if any of the required modules is
* missing.
*
* @param string $root
* The path to the root of the Drupal installation to scan.
* @param string[] $annotations
* A list of requires annotations from either a method or class annotation.
*
* @throws \PHPUnit\Framework\SkippedTestError
* Thrown when the requirements are not met, and this test should be
* skipped. Callers should not catch this exception.
*/
private function checkModuleRequirements($root, array $annotations) {
// drupal_valid_ua() might not be loaded.
require_once $root . '/core/includes/bootstrap.inc';
// Make a list of required modules.
$required_modules = [];
foreach ($annotations as $requirement) {
if (strpos($requirement, 'module ') === 0) {
$required_modules[] = trim(str_replace('module ', '', $requirement));
}
}
// If there are required modules, check if they're available.
if (!empty($required_modules)) {
// Scan for modules.
$discovery = new ExtensionDiscovery($root, FALSE);
$discovery
->setProfileDirectories([]);
$list = array_keys($discovery
->scan('module'));
$not_available = array_diff($required_modules, $list);
if (!empty($not_available)) {
throw new SkippedTestError('Required modules: ' . implode(', ', $not_available));
}
}
}
}
Traits
Name | Description |
---|---|
TestRequirementsTrait | Allows test classes to require Drupal modules as dependencies. |