class ConfigSingleImportExportTest

class ConfigSingleImportExportTest extends BrowserTestBase {
  
  /**
   * Modules to enable.
   *
   * @var array
   */
  protected static $modules = [
    'block',
    'config',
    'config_test',
    // Adding language module makes it possible to involve non-default
    // (language.xx) collections in import/export operations.
'language',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->drupalPlaceBlock('page_title_block');
  }
  
  /**
   * Tests importing a single configuration file.
   */
  public function testImport() {
    $storage = \Drupal::entityTypeManager()->getStorage('config_test');
    $uuid = \Drupal::service('uuid');
    $this->drupalLogin($this->drupalCreateUser([
      'import configuration',
    ]));
    // Attempt an import with invalid YAML.
    $edit = [
      'config_type' => 'action',
      'import' => '{{{',
    ];
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    // Assert the static portion of the error since different parsers could give different text in their error.
    $this->assertSession()
      ->pageTextContains('The import failed with the following message: ');
    $import = <<<EOD
    label: First
    weight: 0
    style: ''
    status: '1'
    EOD;
    $edit = [
      'config_type' => 'config_test',
      'import' => $import,
    ];
    // Attempt an import with a missing ID.
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    $this->assertSession()
      ->pageTextContains('Missing ID key "id" for this Test configuration import.');
    // Perform an import with no specified UUID and a unique ID.
    $this->assertNull($storage->load('first'));
    $edit['import'] = "id: first\n" . $edit['import'];
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    $this->assertSession()
      ->pageTextContains('Are you sure you want to create a new first test configuration?');
    $this->submitForm([], 'Confirm');
    $entity = $storage->load('first');
    $this->assertSame('First', $entity->label());
    $this->assertSame('first', $entity->id());
    $this->assertTrue($entity->status());
    $this->assertSession()
      ->pageTextContains('The configuration was imported successfully.');
    // Attempt an import with an existing ID but missing UUID.
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    $this->assertSession()
      ->pageTextContains('An entity with this machine name already exists but the import did not specify a UUID.');
    // Attempt an import with a mismatched UUID and existing ID.
    $edit['import'] .= "\nuuid: " . $uuid->generate();
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    $this->assertSession()
      ->pageTextContains('An entity with this machine name already exists but the UUID does not match.');
    // Attempt an import with a custom ID.
    $edit['custom_entity_id'] = 'custom_id';
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    $this->assertSession()
      ->pageTextContains('Are you sure you want to create a new custom_id test configuration?');
    $this->submitForm([], 'Confirm');
    $this->assertSession()
      ->pageTextContains('The configuration was imported successfully.');
    // Perform an import with a unique ID and UUID.
    $import = <<<EOD
    id: second
    label: Second
    weight: 0
    style: ''
    status: '0'
    EOD;
    $edit = [
      'config_type' => 'config_test',
      'import' => $import,
    ];
    $second_uuid = $uuid->generate();
    $edit['import'] .= "\nuuid: " . $second_uuid;
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    $this->assertSession()
      ->pageTextContains('Are you sure you want to create a new second test configuration?');
    $this->submitForm([], 'Confirm');
    $entity = $storage->load('second');
    $this->assertSession()
      ->pageTextContains('The configuration was imported successfully.');
    $this->assertSame('Second', $entity->label());
    $this->assertSame('second', $entity->id());
    $this->assertFalse($entity->status());
    $this->assertSame($second_uuid, $entity->uuid());
    // Perform an update.
    $import = <<<EOD
    id: second
    uuid: {<span class="php-variable">$second_uuid</span>}
    label: 'Second updated'
    weight: 0
    style: ''
    status: '0'
    EOD;
    $edit = [
      'config_type' => 'config_test',
      'import' => $import,
    ];
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    $this->assertSession()
      ->pageTextContains('Are you sure you want to update the second test configuration?');
    $this->submitForm([], 'Confirm');
    $entity = $storage->load('second');
    $this->assertSession()
      ->pageTextContains('The configuration was imported successfully.');
    $this->assertSame('Second updated', $entity->label());
    // Try to perform an update which adds missing dependencies.
    $import = <<<EOD
    id: second
    uuid: {<span class="php-variable">$second_uuid</span>}
    label: 'Second updated'
    weight: 0
    style: ''
    status: '0'
    dependencies:
      module:
        - does_not_exist
    EOD;
    $edit = [
      'config_type' => 'config_test',
      'import' => $import,
    ];
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    $this->assertSession()
      ->pageTextContains('Configuration config_test.dynamic.second depends on the does_not_exist module that will not be installed after import.');
    // Try to preform an update which would create a PHP object if Yaml parsing
    // not securely set up.
    // Perform an update.
    $import = <<<EOD
    id: second
    uuid: {<span class="php-variable">$second_uuid</span>}
    label: !php/object "O:36:\\"Drupal\\\\Core\\\\Test\\\\ObjectSerialization\\":0:{}"
    weight: 0
    style: ''
    status: '0'
    EOD;
    $edit = [
      'config_type' => 'config_test',
      'import' => $import,
    ];
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    if (extension_loaded('yaml')) {
      // If the yaml extension is loaded it will work but not create the PHP
      // object.
      $this->assertSession()
        ->pageTextContains('Are you sure you want to update the second test configuration?');
      $this->submitForm([], 'Confirm');
      $entity = $storage->load('second');
      $this->assertSession()
        ->pageTextContains('The configuration was imported successfully.');
      $this->assertIsString($entity->label());
      $this->assertStringContainsString('ObjectSerialization', $entity->label(), 'Label contains serialized object');
    }
    else {
      // If the Symfony parser is used there will be an error.
      $this->assertSession()
        ->responseContains('The import failed with the following message:');
      $this->assertSession()
        ->responseContains('Object support when parsing a YAML file has been disabled');
    }
  }
  
  /**
   * Tests importing a simple configuration file.
   */
  public function testImportSimpleConfiguration() {
    $this->drupalLogin($this->drupalCreateUser([
      'import configuration',
    ]));
    $config = $this->config('system.site')
      ->set('name', 'Test simple import');
    // Place branding block with site name into header region.
    $this->drupalPlaceBlock('system_branding_block', [
      'region' => 'header',
    ]);
    $edit = [
      'config_type' => 'system.simple',
      'config_name' => $config->getName(),
      'import' => Yaml::encode($config->get()),
    ];
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    $this->assertSession()
      ->pageTextContains('Are you sure you want to update the ' . $config->getName() . ' simple configuration?');
    $this->submitForm([], 'Confirm');
    $this->drupalGet('');
    $this->assertSession()
      ->pageTextContains('Test simple import');
    // Ensure that ConfigImporter validation is running when importing simple
    // configuration.
    $config_data = $this->config('core.extension')
      ->get();
    // Simulate uninstalling the Config module.
    unset($config_data['module']['config']);
    $edit = [
      'config_type' => 'system.simple',
      'config_name' => 'core.extension',
      'import' => Yaml::encode($config_data),
    ];
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm($edit, 'Import');
    $this->assertSession()
      ->pageTextContains('Can not uninstall the Configuration module as part of a configuration synchronization through the user interface.');
    // Try to import without any values.
    $this->drupalGet('admin/config/development/configuration/single/import');
    $this->submitForm([], 'Import');
    $this->assertSession()
      ->pageTextContains('Configuration type field is required.');
    $this->assertSession()
      ->pageTextContains('Paste your configuration here field is required.');
  }
  
  /**
   * Tests exporting a single configuration file.
   */
  public function testExport() {
    $this->drupalLogin($this->drupalCreateUser([
      'export configuration',
    ]));
    // Verify that the simple configuration option is selected when specified
    // in the URL.
    $this->drupalGet('admin/config/development/configuration/single/export/system.simple');
    $option_node = $this->assertSession()
      ->optionExists("config_type", 'Simple configuration');
    $this->assertTrue($option_node->isSelected());
    // Spot check several known simple configuration files.
    $this->assertSession()
      ->optionExists('config_name', 'system.site');
    $this->assertSession()
      ->optionExists('config_name', 'user.settings');
    $this->drupalGet('admin/config/development/configuration/single/export/system.simple/system.image');
    $this->assertSession()
      ->fieldValueEquals('export', "_core:\n  default_config_hash: durWHaKeBaq4d9Wpi4RqwADj1OufDepcnJuhVLmKN24\ntoolkit: gd\n");
    // Verify that the date format entity type is selected when specified in
    // the URL.
    $this->drupalGet('admin/config/development/configuration/single/export/date_format');
    $option_node = $this->assertSession()
      ->optionExists("config_type", 'Date format');
    $this->assertTrue($option_node->isSelected());
    // Verify that the fallback date format config entity is selected when
    // specified in the URL.
    $this->drupalGet('admin/config/development/configuration/single/export/date_format/fallback');
    $option_node = $this->assertSession()
      ->optionExists("config_name", 'Fallback date format (fallback)');
    $this->assertTrue($option_node->isSelected());
    $fallback_date = \Drupal::entityTypeManager()->getStorage('date_format')
      ->load('fallback');
    $yaml_text = $this->assertSession()
      ->fieldExists('export')
      ->getValue();
    $this->assertEquals(Yaml::decode($yaml_text), $fallback_date->toArray(), 'The fallback date format config entity export code is displayed.');
  }

}