class MetapackageUpdateTest

class MetapackageUpdateTest extends TestCase {
    
    /**
     * Provides test data for testUpdated.
     */
    public function updatedTestData() {
        return [
            [
                DrupalCoreRecommendedBuilder::class,
                'composer/Metapackage/CoreRecommended',
            ],
            [
                DrupalDevDependenciesBuilder::class,
                'composer/Metapackage/DevDependencies',
            ],
            [
                DrupalPinnedDevDependenciesBuilder::class,
                'composer/Metapackage/PinnedDevDependencies',
            ],
        ];
    }
    
    /**
     * Tests to see if the generated metapackages are in sync with composer.lock.
     *
     * Note that this is not a test of code correctness, but rather it merely
     * confirms if the package builder was used on the most recent set of
     * metapackages.
     *
     * See BuilderTest.php for a test that checks for code correctness.
     *
     * @param string $builderClass
     *   The metapackage builder to test.
     * @param string $path
     *   The relative path to the metapackage
     *
     *  @dataProvider updatedTestData
     */
    public function testUpdated($builderClass, $path) {
        // Create a DrupalCoreComposer for the System Under Test (current repo)
        $repositoryRoot = dirname(__DIR__, 6);
        $drupalCoreInfo = DrupalCoreComposer::createFromPath($repositoryRoot);
        // Rebuild the metapackage for the composer.json / composer.lock of
        // the current repo.
        $builder = new $builderClass($drupalCoreInfo);
        $generatedJson = $builder->getPackage();
        $generatedJson = PackageGenerator::encode($generatedJson);
        // Also load the most-recently-generated version of the metapackage.
        $loadedJson = file_get_contents("{$repositoryRoot}/{$path}/composer.json");
        // The generated json is the "expected", what we think the loaded
        // json would contain, if the current patch is generated correctly
        // (metapackages updated when composer.lock is updated).
        $version = str_replace('.0-dev', '.x-dev', \Drupal::VERSION);
        $message = <<<__EOT__
The rebuilt version of {<span class="php-variable">$path</span>} does not match what is in the source tree.

To fix, run:

    COMPOSER_ROOT_VERSION={<span class="php-variable">$version</span>} composer update --lock

__EOT__;
        $this->assertEquals($generatedJson, $loadedJson, $message);
    }

}