class ComponentsIsolatedBuildTest

class ComponentsIsolatedBuildTest extends ComposerBuildTestBase {
    
    /**
     * Provides an array with relative paths to the component paths.
     *
     * @return array
     *   An array with relative paths to the component paths.
     */
    public static function provideComponentPaths() : array {
        $data = [];
        // During the dataProvider phase, there is not a workspace directory yet.
        // So we will find relative paths and assemble them with the workspace
        // path later.
        $drupal_root = self::getDrupalRootStatic();
        $composer_json_finder = self::getComponentPathsFinder($drupal_root);
        
        /** @var \Symfony\Component\Finder\SplFileInfo $path */
        foreach ($composer_json_finder->getIterator() as $path) {
            $data[$path->getRelativePath()] = [
                '/' . $path->getRelativePath(),
            ];
        }
        return $data;
    }
    
    /**
     * Test whether components' composer.json can be installed in isolation.
     *
     * @dataProvider provideComponentPaths
     */
    public function testComponentComposerJson(string $component_path) : void {
        // Only copy the components. Copy all of them because some of them depend on
        // each other.
        $finder = new Finder();
        $finder->files()
            ->ignoreUnreadableDirs()
            ->in($this->getDrupalRoot() . static::$componentsPath)
            ->ignoreDotFiles(FALSE)
            ->ignoreVCS(FALSE);
        $this->copyCodebase($finder->getIterator());
        $working_dir = $this->getWorkingPath() . static::$componentsPath . $component_path;
        // We add path repositories so we can wire internal dependencies together.
        $this->addExpectedRepositories($working_dir);
        // Perform the installation.
        $this->executeCommand("composer install --working-dir={$working_dir} --no-interaction --no-progress");
        $this->assertCommandSuccessful();
    }
    
    /**
     * Adds expected repositories as path repositories to package under test.
     *
     * @param string $working_dir
     *   The working directory.
     */
    protected function addExpectedRepositories(string $working_dir) : void {
        foreach ($this->provideComponentPaths() as $path) {
            $path = $path[0];
            $package_name = 'drupal/core' . strtolower(preg_replace('/[A-Z]/', '-$0', substr($path, 1)));
            $path_repo = $this->getWorkingPath() . static::$componentsPath . $path;
            $repo_name = strtolower($path);
            // Add path repositories with the current version number to the current
            // package under test.
            $drupal_version = Composer::drupalVersionBranch();
            $this->executeCommand("composer config repositories.{$repo_name} " . "'{\"type\": \"path\",\"url\": \"{$path_repo}\",\"options\": {\"versions\": {\"{$package_name}\": \"{$drupal_version}\"}}}' --working-dir={$working_dir}");
        }
    }

}