class PhpTufValidatorTest

class PhpTufValidatorTest extends PackageManagerKernelTestBase {
  use StringTranslationTrait;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // PHP-TUF must be enabled for this test to run.
    $this->setSetting('package_manager_bypass_tuf', FALSE);
    (new ActiveFixtureManipulator())->addConfig([
      'repositories.drupal' => [
        'type' => 'composer',
        'url' => 'https://packages.drupal.org/8',
        'tuf' => TRUE,
      ],
      'allow-plugins.' . PhpTufValidator::PLUGIN_NAME => TRUE,
    ])
      ->addPackage([
      'name' => PhpTufValidator::PLUGIN_NAME,
      'type' => 'composer-plugin',
      'require' => [
        'composer-plugin-api' => '*',
      ],
      'extra' => [
        'class' => 'PhpTufComposerPlugin',
      ],
    ])
      ->commitChanges()
      ->updateLock();
  }
  
  /**
   * Tests that there are no errors if the plugin is set up correctly.
   */
  public function testPluginInstalledAndConfiguredProperly() : void {
    $this->assertStatusCheckResults([]);
    $this->assertResults([]);
  }
  
  /**
   * Tests there is an error if the plugin is not installed in the project root.
   */
  public function testPluginNotInstalledInProjectRoot() : void {
    (new ActiveFixtureManipulator())->removePackage(PhpTufValidator::PLUGIN_NAME)
      ->commitChanges()
      ->updateLock();
    $messages = [
      $this->t('The <code>php-tuf/composer-integration</code> plugin is not installed.'),
      // Composer automatically removes the plugin from the `allow-plugins`
      // list when the plugin package is removed.
$this->t('The <code>php-tuf/composer-integration</code> plugin is not listed as an allowed plugin.'),
    ];
    $result = ValidationResult::createError($messages, $this->t('The active directory is not protected by PHP-TUF, which is required to use Package Manager securely.'));
    $this->assertStatusCheckResults([
      $result,
    ]);
    $this->assertResults([
      $result,
    ], PreCreateEvent::class);
  }
  
  /**
   * Tests removing the plugin from the stage on pre-require.
   */
  public function testPluginRemovedFromStagePreRequire() : void {
    $this->getStageFixtureManipulator()
      ->removePackage(PhpTufValidator::PLUGIN_NAME);
    $messages = [
      $this->t('The <code>php-tuf/composer-integration</code> plugin is not installed.'),
      // Composer automatically removes the plugin from the `allow-plugins`
      // list when the plugin package is removed.
$this->t('The <code>php-tuf/composer-integration</code> plugin is not listed as an allowed plugin.'),
    ];
    $result = ValidationResult::createError($messages, $this->t('The stage directory is not protected by PHP-TUF, which is required to use Package Manager securely.'));
    $this->assertResults([
      $result,
    ], PreRequireEvent::class);
  }
  
  /**
   * Tests removing the plugin from the stage before applying it.
   */
  public function testPluginRemovedFromStagePreApply() : void {
    $stage = $this->createStage();
    $stage->create();
    $stage->require([
      'ext-json:*',
    ]);
    (new FixtureManipulator())->removePackage(PhpTufValidator::PLUGIN_NAME)
      ->commitChanges($stage->getSandboxDirectory());
    $messages = [
      $this->t('The <code>php-tuf/composer-integration</code> plugin is not installed.'),
      // Composer automatically removes the plugin from the `allow-plugins`
      // list when the plugin package is removed.
$this->t('The <code>php-tuf/composer-integration</code> plugin is not listed as an allowed plugin.'),
    ];
    $result = ValidationResult::createError($messages, $this->t('The stage directory is not protected by PHP-TUF, which is required to use Package Manager securely.'));
    try {
      $stage->apply();
      $this->fail('Expected an exception but none was thrown.');
    } catch (SandboxEventException $e) {
      $this->assertInstanceOf(PreApplyEvent::class, $e->event);
      $this->assertValidationResultsEqual([
        $result,
      ], $e->event
        ->getResults());
    }
  }
  
  /**
   * Data provider for testing invalid plugin configuration.
   *
   * @return array[]
   *   The test cases.
   */
  public static function providerInvalidConfiguration() : array {
    return [
      'plugin specifically disallowed' => [
        [
          'allow-plugins.' . PhpTufValidator::PLUGIN_NAME => FALSE,
        ],
        [
          t('The <code>php-tuf/composer-integration</code> plugin is not listed as an allowed plugin.'),
        ],
      ],
      'all plugins disallowed' => [
        [
          'allow-plugins' => FALSE,
        ],
        [
          t('The <code>php-tuf/composer-integration</code> plugin is not listed as an allowed plugin.'),
        ],
      ],
      'packages.drupal.org not using TUF' => [
        [
          'repositories.drupal' => [
            'type' => 'composer',
            'url' => 'https://packages.drupal.org/8',
          ],
        ],
        [
          t('TUF is not enabled for the <code>https://packages.drupal.org/8</code> repository.'),
        ],
      ],
    ];
  }
  
  /**
   * Data provider for testing invalid plugin configuration in the stage.
   *
   * @return \Generator
   *   The test cases.
   */
  public static function providerInvalidConfigurationInStage() : \Generator {
    foreach (static::providerInvalidConfiguration() as $name => $arguments) {
      $arguments[] = PreRequireEvent::class;
      yield "{$name} on pre-require" => $arguments;
      array_splice($arguments, -1, NULL, PreApplyEvent::class);
      yield "{$name} on pre-apply" => $arguments;
    }
  }
  
  /**
   * Tests errors caused by invalid plugin configuration in the project root.
   *
   * @param array $config
   *   The Composer configuration to set.
   * @param \Drupal\Core\StringTranslation\TranslatableMarkup[] $expected_messages
   *   The expected error messages.
   */
  public function testInvalidConfigurationInProjectRoot(array $config, array $expected_messages) : void {
    (new ActiveFixtureManipulator())->addConfig($config)
      ->commitChanges()
      ->updateLock();
    $result = ValidationResult::createError($expected_messages, $this->t('The active directory is not protected by PHP-TUF, which is required to use Package Manager securely.'));
    $this->assertStatusCheckResults([
      $result,
    ]);
    $this->assertResults([
      $result,
    ], PreCreateEvent::class);
  }
  
  /**
   * Tests errors caused by invalid plugin configuration in the stage directory.
   *
   * @param array $config
   *   The Composer configuration to set.
   * @param \Drupal\Core\StringTranslation\TranslatableMarkup[] $expected_messages
   *   The expected error messages.
   * @param string $event_class
   *   The event before which the plugin's configuration should be changed.
   */
  public function testInvalidConfigurationInStage(array $config, array $expected_messages, string $event_class) : void {
    $listener = function (PreRequireEvent|PreApplyEvent $event) use ($config) : void {
      (new FixtureManipulator())->addConfig($config)
        ->commitChanges($event->sandboxManager
        ->getSandboxDirectory())
        ->updateLock();
    };
    $this->addEventTestListener($listener, $event_class);
    // LockFileValidator will complain because we have not added, removed, or
    // updated any packages in the stage. In this very specific situation, it's
    // okay to disable that validator to remove the interference.
    if ($event_class === PreApplyEvent::class) {
      $lock_file_validator = $this->container
        ->get(LockFileValidator::class);
      $this->container
        ->get('event_dispatcher')
        ->removeSubscriber($lock_file_validator);
    }
    $result = ValidationResult::createError($expected_messages, $this->t('The stage directory is not protected by PHP-TUF, which is required to use Package Manager securely.'));
    $this->assertResults([
      $result,
    ], $event_class);
  }

}