class TokenReplaceKernelTest

class TokenReplaceKernelTest extends TokenReplaceKernelTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    // Set the site name to something other than an empty string.
    $this->config('system.site')
      ->set('name', 'Drupal')
      ->save();
  }
  
  /**
   * Tests whether token-replacement works in various contexts.
   */
  public function testSystemTokenRecognition() {
    // Generate prefixes and suffixes for the token context.
    $tests = [
      [
        'prefix' => 'this is the ',
        'suffix' => ' site',
      ],
      [
        'prefix' => 'this is the',
        'suffix' => 'site',
      ],
      [
        'prefix' => '[',
        'suffix' => ']',
      ],
      [
        'prefix' => '',
        'suffix' => ']]]',
      ],
      [
        'prefix' => '[[[',
        'suffix' => '',
      ],
      [
        'prefix' => ':[:',
        'suffix' => '--]',
      ],
      [
        'prefix' => '-[-',
        'suffix' => ':]:',
      ],
      [
        'prefix' => '[:',
        'suffix' => ']',
      ],
      [
        'prefix' => '[site:',
        'suffix' => ':name]',
      ],
      [
        'prefix' => '[site:',
        'suffix' => ']',
      ],
    ];
    // Check if the token is recognized in each of the contexts.
    foreach ($tests as $test) {
      $input = $test['prefix'] . '[site:name]' . $test['suffix'];
      $expected = $test['prefix'] . 'Drupal' . $test['suffix'];
      $output = $this->tokenService
        ->replace($input, [], [
        'langcode' => $this->interfaceLanguage
          ->getId(),
      ]);
      $this->assertSame($expected, $output, new FormattableMarkup('Token recognized in string %string', [
        '%string' => $input,
      ]));
    }
    // Test token replacement when the string contains no tokens.
    $this->assertEquals('No tokens here.', $this->tokenService
      ->replace('No tokens here.'));
  }
  
  /**
   * Tests the clear parameter.
   */
  public function testClear() {
    // Valid token.
    $source = '[site:name]';
    // No user passed in, should be untouched.
    $source .= '[user:name]';
    // Non-existing token.
    $source .= '[bogus:token]';
    // Replace with the clear parameter, only the valid token should remain.
    $target = Html::escape($this->config('system.site')
      ->get('name'));
    $result = $this->tokenService
      ->replace($source, [], [
      'langcode' => $this->interfaceLanguage
        ->getId(),
      'clear' => TRUE,
    ]);
    $this->assertEquals($target, $result, 'Valid tokens replaced while invalid tokens ignored.');
    $target .= '[user:name]';
    $target .= '[bogus:token]';
    $result = $this->tokenService
      ->replace($source, [], [
      'langcode' => $this->interfaceLanguage
        ->getId(),
    ]);
    $this->assertEquals($target, $result, 'Valid tokens replaced while invalid tokens ignored.');
  }
  
  /**
   * Tests the generation of all system site information tokens.
   */
  public function testSystemSiteTokenReplacement() {
    $url_options = [
      'absolute' => TRUE,
      'language' => $this->interfaceLanguage,
    ];
    $slogan = '<blink>Slogan</blink>';
    $safe_slogan = Xss::filterAdmin($slogan);
    // Set a few site variables.
    $config = $this->config('system.site');
    $config->set('name', '<strong>Drupal<strong>')
      ->set('slogan', $slogan)
      ->set('mail', 'simpletest@example.com')
      ->save();
    // Generate and test tokens.
    $tests = [];
    $tests['[site:name]'] = Html::escape($config->get('name'));
    $tests['[site:slogan]'] = $safe_slogan;
    $tests['[site:mail]'] = $config->get('mail');
    $tests['[site:url]'] = Url::fromRoute('<front>', [], $url_options)->toString();
    $tests['[site:url-brief]'] = preg_replace([
      '!^https?://!',
      '!/$!',
    ], '', Url::fromRoute('<front>', [], $url_options)->toString());
    $tests['[site:login-url]'] = Url::fromRoute('user.page', [], $url_options)->toString();
    $base_bubbleable_metadata = new BubbleableMetadata();
    $metadata_tests = [];
    $metadata_tests['[site:name]'] = BubbleableMetadata::createFromObject(\Drupal::config('system.site'));
    $metadata_tests['[site:slogan]'] = BubbleableMetadata::createFromObject(\Drupal::config('system.site'));
    $metadata_tests['[site:mail]'] = BubbleableMetadata::createFromObject(\Drupal::config('system.site'));
    $bubbleable_metadata = clone $base_bubbleable_metadata;
    $metadata_tests['[site:url]'] = $bubbleable_metadata->addCacheContexts([
      'url.site',
    ]);
    $metadata_tests['[site:url-brief]'] = $bubbleable_metadata;
    $metadata_tests['[site:login-url]'] = $bubbleable_metadata;
    // Test to make sure that we generated something for each token.
    $this->assertNotContains(0, array_map('strlen', $tests), 'No empty tokens generated.');
    foreach ($tests as $input => $expected) {
      $bubbleable_metadata = new BubbleableMetadata();
      $output = $this->tokenService
        ->replace($input, [], [
        'langcode' => $this->interfaceLanguage
          ->getId(),
      ], $bubbleable_metadata);
      $this->assertEquals($expected, $output, new FormattableMarkup('System site information token %token replaced.', [
        '%token' => $input,
      ]));
      $this->assertEquals($metadata_tests[$input], $bubbleable_metadata);
    }
  }
  
  /**
   * Tests the generation of all system date tokens.
   */
  public function testSystemDateTokenReplacement() {
    // Set time to one hour before request.
    $date = REQUEST_TIME - 3600;
    // Generate and test tokens.
    $tests = [];
    $date_formatter = \Drupal::service('date.formatter');
    $tests['[date:short]'] = $date_formatter->format($date, 'short', '', NULL, $this->interfaceLanguage
      ->getId());
    $tests['[date:medium]'] = $date_formatter->format($date, 'medium', '', NULL, $this->interfaceLanguage
      ->getId());
    $tests['[date:long]'] = $date_formatter->format($date, 'long', '', NULL, $this->interfaceLanguage
      ->getId());
    $tests['[date:custom:m/j/Y]'] = $date_formatter->format($date, 'custom', 'm/j/Y', NULL, $this->interfaceLanguage
      ->getId());
    $tests['[date:since]'] = $date_formatter->formatTimeDiffSince($date, [
      'langcode' => $this->interfaceLanguage
        ->getId(),
    ]);
    $tests['[date:raw]'] = Xss::filter($date);
    // Test to make sure that we generated something for each token.
    $this->assertNotContains(0, array_map('strlen', $tests), 'No empty tokens generated.');
    foreach ($tests as $input => $expected) {
      $output = $this->tokenService
        ->replace($input, [
        'date' => $date,
      ], [
        'langcode' => $this->interfaceLanguage
          ->getId(),
      ]);
      $this->assertEquals($expected, $output, new FormattableMarkup('Date token %token replaced.', [
        '%token' => $input,
      ]));
    }
  }

}