class HtmlToTextTest in Drupal 10

Same name and namespace in other branches

8 core/modules/system/tests/src/Functional/Mail/HtmlToTextTest.php \Drupal\Tests\system\Functional\Mail\HtmlToTextTest
9 core/modules/system/tests/src/Functional/Mail/HtmlToTextTest.php \Drupal\Tests\system\Functional\Mail\HtmlToTextTest

Tests for \Drupal\Core\Mail\MailFormatHelper::htmlToText().

@group Mail

Hierarchy

class \Drupal\Tests\BrowserTestBase extends \PHPUnit\Framework\TestCase uses \Drupal\Tests\PhpUnitCompatibilityTrait, \Symfony\Bridge\PhpUnit\ExpectDeprecationTrait, FunctionalTestSetupTrait, TestSetupTrait, BlockCreationTrait, ConfigTestTrait, ExtensionListTestTrait, ContentTypeCreationTrait, NodeCreationTrait, RandomGeneratorTrait, TestRequirementsTrait, PhpUnitWarnings, UiHelperTrait, UserCreationTrait, XdebugRequestTrait
- class \Drupal\Tests\system\Functional\Mail\HtmlToTextTest

Expanded class hierarchy of HtmlToTextTest

File

core/modules/system/tests/src/Functional/Mail/HtmlToTextTest.php, line 15

Namespace

Drupal\Tests\system\Functional\Mail

View source

class HtmlToTextTest extends BrowserTestBase {

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';

  /**
   * Converts a string to its PHP source equivalent for display in test messages.
   *
   * @param $text
   *   The text string to convert.
   *
   * @return
   *   An HTML representation of the text string that, when displayed in a
   *   browser, represents the PHP source code equivalent of $text.
   */
  protected function stringToHtml($text) {
    return '"' . str_replace([
      "\n",
      ' ',
    ], [
      '\\n',
      '&nbsp;',
    ], Html::escape($text)) . '"';
  }

  /**
   * Helper function to test \Drupal\Core\Mail\MailFormatHelper::htmlToText().
   *
   * @param string $html
   *   The source HTML string to be converted.
   * @param string $text
   *   The expected result of converting $html to text.
   * @param string $message
   *   A text message to display in the assertion message.
   * @param array|null $allowed_tags
   *   (optional) An array of allowed tags, or NULL to default to the full
   *   set of tags supported by
   *   \Drupal\Core\Mail\MailFormatHelper::htmlToText().
   *
   * @internal
   */
  protected function assertHtmlToText(string $html, string $text, string $message, ?array $allowed_tags = NULL) : void {
    preg_match_all('/<([a-z0-6]+)/', mb_strtolower($html), $matches);
    $tested_tags = implode(', ', array_unique($matches[1]));
    $message .= ' (' . $tested_tags . ')';
    $result = MailFormatHelper::htmlToText($html, $allowed_tags);
    $this
      ->assertEquals($text, $result, Html::escape($message));
  }

  /**
   * Tests supported tags of \Drupal\Core\Mail\MailFormatHelper::htmlToText().
   */
  public function testTags() {
    global $base_path, $base_url;
    $tests = [
      // @todo Trailing linefeeds should be trimmed.
      '<a href = "https://www.drupal.org">Drupal.org</a>' => "Drupal.org [1]\n\n[1] https://www.drupal.org\n",
      // @todo Footer URLs should be absolute.
      "<a href = \"{$base_path}\">Homepage</a>" => "Homepage [1]\n\n[1] {$base_url}/\n",
      '<address>Drupal</address>' => "Drupal\n",
      // @todo The <address> tag is currently not supported.
      '<address>Drupal</address><address>Drupal</address>' => "DrupalDrupal\n",
      '<b>Drupal</b>' => "*Drupal*\n",
      // @todo There should be a space between the '>' and the text.
      '<blockquote>Drupal</blockquote>' => ">Drupal\n",
      '<blockquote>Drupal</blockquote><blockquote>Drupal</blockquote>' => ">Drupal\n>Drupal\n",
      '<br />Drupal<br />Drupal<br /><br />Drupal' => "Drupal\nDrupal\nDrupal\n",
      '<br/>Drupal<br/>Drupal<br/><br/>Drupal' => "Drupal\nDrupal\nDrupal\n",
      // @todo There should be two line breaks before the paragraph.
      '<br/>Drupal<br/>Drupal<br/><br/>Drupal<p>Drupal</p>' => "Drupal\nDrupal\nDrupal\nDrupal\n\n",
      '<div>Drupal</div>' => "Drupal\n",
      // @todo The <div> tag is currently not supported.
      '<div>Drupal</div><div>Drupal</div>' => "DrupalDrupal\n",
      '<em>Drupal</em>' => "/Drupal/\n",
      '<h1>Drupal</h1>' => "======== Drupal ==============================================================\n\n",
      '<h1>Drupal</h1><p>Drupal</p>' => "======== Drupal ==============================================================\n\nDrupal\n\n",
      '<h2>Drupal</h2>' => "-------- Drupal --------------------------------------------------------------\n\n",
      '<h2>Drupal</h2><p>Drupal</p>' => "-------- Drupal --------------------------------------------------------------\n\nDrupal\n\n",
      '<h3>Drupal</h3>' => ".... Drupal\n\n",
      '<h3>Drupal</h3><p>Drupal</p>' => ".... Drupal\n\nDrupal\n\n",
      '<h4>Drupal</h4>' => ".. Drupal\n\n",
      '<h4>Drupal</h4><p>Drupal</p>' => ".. Drupal\n\nDrupal\n\n",
      '<h5>Drupal</h5>' => "Drupal\n\n",
      '<h5>Drupal</h5><p>Drupal</p>' => "Drupal\n\nDrupal\n\n",
      '<h6>Drupal</h6>' => "Drupal\n\n",
      '<h6>Drupal</h6><p>Drupal</p>' => "Drupal\n\nDrupal\n\n",
      '<hr />Drupal<hr />' => "------------------------------------------------------------------------------\nDrupal\n------------------------------------------------------------------------------\n",
      '<hr/>Drupal<hr/>' => "------------------------------------------------------------------------------\nDrupal\n------------------------------------------------------------------------------\n",
      '<hr/>Drupal<hr/><p>Drupal</p>' => "------------------------------------------------------------------------------\nDrupal\n------------------------------------------------------------------------------\nDrupal\n\n",
      '<i>Drupal</i>' => "/Drupal/\n",
      '<p>Drupal</p>' => "Drupal\n\n",
      '<p>Drupal</p><p>Drupal</p>' => "Drupal\n\nDrupal\n\n",
      '<strong>Drupal</strong>' => "*Drupal*\n",
      // @todo Tables are currently not supported.
      '<table><tr><td>Drupal</td><td>Drupal</td></tr><tr><td>Drupal</td><td>Drupal</td></tr></table>' => "DrupalDrupalDrupalDrupal\n",
      '<table><tr><td>Drupal</td></tr></table><p>Drupal</p>' => "Drupal\nDrupal\n\n",
      // @todo The <u> tag is currently not supported.
      '<u>Drupal</u>' => "Drupal\n",
      '<ul><li>Drupal</li></ul>' => " * Drupal\n\n",
      '<ul><li>Drupal <em>Drupal</em> Drupal</li></ul>' => " * Drupal /Drupal/ Drupal\n\n",
      // @todo Lines containing nothing but spaces should be trimmed.
      '<ul><li>Drupal</li><li><ol><li>Drupal</li><li>Drupal</li></ol></li></ul>' => " * Drupal\n *  1) Drupal\n    2) Drupal\n   \n\n",
      '<ul><li>Drupal</li><li><ol><li>Drupal</li></ol></li><li>Drupal</li></ul>' => " * Drupal\n *  1) Drupal\n   \n * Drupal\n\n",
      '<ul><li>Drupal</li><li>Drupal</li></ul>' => " * Drupal\n * Drupal\n\n",
      '<ul><li>Drupal</li></ul><p>Drupal</p>' => " * Drupal\n\nDrupal\n\n",
      '<ol><li>Drupal</li></ol>' => " 1) Drupal\n\n",
      '<ol><li>Drupal</li><li><ul><li>Drupal</li><li>Drupal</li></ul></li></ol>' => " 1) Drupal\n 2)  * Drupal\n     * Drupal\n    \n\n",
      '<ol><li>Drupal</li><li>Drupal</li></ol>' => " 1) Drupal\n 2) Drupal\n\n",
      '<ol>Drupal</ol>' => "Drupal\n\n",
      '<ol><li>Drupal</li></ol><p>Drupal</p>' => " 1) Drupal\n\nDrupal\n\n",
      '<dl><dt>Drupal</dt></dl>' => "Drupal\n\n",
      '<dl><dt>Drupal</dt><dd>Drupal</dd></dl>' => "Drupal\n    Drupal\n\n",
      '<dl><dt>Drupal</dt><dd>Drupal</dd><dt>Drupal</dt><dd>Drupal</dd></dl>' => "Drupal\n    Drupal\nDrupal\n    Drupal\n\n",
      '<dl><dt>Drupal</dt><dd>Drupal</dd></dl><p>Drupal</p>' => "Drupal\n    Drupal\n\nDrupal\n\n",
      '<dl><dt>Drupal<dd>Drupal</dl>' => "Drupal\n    Drupal\n\n",
      '<dl><dt>Drupal</dt></dl><p>Drupal</p>' => "Drupal\n\nDrupal\n\n",
      // @todo Again, lines containing only spaces should be trimmed.
      '<ul><li>Drupal</li><li><dl><dt>Drupal</dt><dd>Drupal</dd><dt>Drupal</dt><dd>Drupal</dd></dl></li><li>Drupal</li></ul>' => " * Drupal\n * Drupal\n       Drupal\n   Drupal\n       Drupal\n   \n * Drupal\n\n",
      // Tests malformed HTML tags.
      '<br>Drupal<br>Drupal' => "Drupal\nDrupal\n",
      '<hr>Drupal<hr>Drupal' => "------------------------------------------------------------------------------\nDrupal\n------------------------------------------------------------------------------\nDrupal\n",
      '<ol><li>Drupal<li>Drupal</ol>' => " 1) Drupal\n 2) Drupal\n\n",
      '<ul><li>Drupal <em>Drupal</em> Drupal</ul></ul>' => " * Drupal /Drupal/ Drupal\n\n",
      '<ul><li>Drupal<li>Drupal</ol>' => " * Drupal\n * Drupal\n\n",
      '<ul><li>Drupal<li>Drupal</ul>' => " * Drupal\n * Drupal\n\n",
      '<ul>Drupal</ul>' => "Drupal\n\n",
      'Drupal</ul></ol></dl><li>Drupal' => "Drupal\n * Drupal\n",
      '<dl>Drupal</dl>' => "Drupal\n\n",
      '<dl>Drupal</dl><p>Drupal</p>' => "Drupal\n\nDrupal\n\n",
      '<dt>Drupal</dt>' => "Drupal\n",
      // Tests some unsupported HTML tags.
      '<html>Drupal</html>' => "Drupal\n",
      // @todo Perhaps the contents of <script> tags should be dropped.
      '<script type="text/javascript">Drupal</script>' => "Drupal\n",
      // A couple of tests for Unicode characters.
      '<q>I <em>will</em> be back…</q>' => "I /will/ be back…\n",
      'FrançAIS is ÜBER-åwesome' => "FrançAIS is ÜBER-åwesome\n",
    ];
    foreach ($tests as $html => $text) {
      $this
        ->assertHtmlToText($html, $text, 'Supported tags');
    }
  }

  /**
   * Tests allowing tags in \Drupal\Core\Mail\MailFormatHelper::htmlToText().
   */
  public function testDrupalHtmlToTextArgs() {

    // The second parameter of \Drupal\Core\Mail\MailFormatHelper::htmlToText()
    // overrules the allowed tags.
    $this
      ->assertHtmlToText('Drupal <b>Drupal</b> Drupal', "Drupal *Drupal* Drupal\n", 'Allowed <b> tag found', [
      'b',
    ]);
    $this
      ->assertHtmlToText('Drupal <h1>Drupal</h1> Drupal', "Drupal Drupal Drupal\n", 'Disallowed <h1> tag not found', [
      'b',
    ]);
    $this
      ->assertHtmlToText('Drupal <p><em><b>Drupal</b></em><p> Drupal', "Drupal Drupal Drupal\n", 'Disallowed <p>, <em>, and <b> tags not found', [
      'a',
      'br',
      'h1',
    ]);
    $this
      ->assertHtmlToText('<html><body>Drupal</body></html>', "Drupal\n", 'Unsupported <html> and <body> tags not found', [
      'html',
      'body',
    ]);
  }

  /**
   * Tests that whitespace is collapsed.
   */
  public function testDrupalHtmltoTextCollapsesWhitespace() {
    $input = "<p>Drupal  Drupal\n\nDrupal<pre>Drupal  Drupal\n\nDrupal</pre>Drupal  Drupal\n\nDrupal</p>";

    // @todo The whitespace should be collapsed.
    $collapsed = "Drupal  Drupal\n\nDrupalDrupal  Drupal\n\nDrupalDrupal  Drupal\n\nDrupal\n\n";
    $this
      ->assertHtmlToText($input, $collapsed, 'Whitespace is collapsed', [
      'p',
    ]);
  }

  /**
   * Tests that text separated by block-level tags in HTML get separated by
   * (at least) a newline in the plaintext version.
   */
  public function testDrupalHtmlToTextBlockTagToNewline() {
    $input = <<<'EOT'
[text]
<blockquote>[blockquote]</blockquote>
<br />[br]
<dl><dt>[dl-dt]</dt>
<dt>[dt]</dt>
<dd>[dd]</dd>
<dd>[dd-dl]</dd></dl>
<h1>[h1]</h1>
<h2>[h2]</h2>
<h3>[h3]</h3>
<h4>[h4]</h4>
<h5>[h5]</h5>
<h6>[h6]</h6>
<hr />[hr]
<ol><li>[ol-li]</li>
<li>[li]</li>
<li>[li-ol]</li></ol>
<p>[p]</p>
<ul><li>[ul-li]</li>
<li>[li-ul]</li></ul>
[text]
EOT;
    $input = str_replace([
      "\r",
      "\n",
    ], '', $input);
    $output = MailFormatHelper::htmlToText($input);
    $this
      ->assertDoesNotMatchRegularExpression('/\\][^\\n]*\\[/s', $output, 'Block-level HTML tags should force newlines');
    $output_upper = mb_strtoupper($output);
    $upper_input = mb_strtoupper($input);
    $upper_output = MailFormatHelper::htmlToText($upper_input);
    $this
      ->assertEquals($output_upper, $upper_output, 'Tag recognition should be case-insensitive');
  }

  /**
   * Tests that headers are properly separated from surrounding text.
   */
  public function testHeaderSeparation() {
    $html = 'Drupal<h1>Drupal</h1>Drupal';

    // @todo There should be more space above the header than below it.
    $text = "Drupal\n======== Drupal ==============================================================\n\nDrupal\n";
    $this
      ->assertHtmlToText($html, $text, 'Text before and after <h1> tag');
    $html = '<p>Drupal</p><h1>Drupal</h1>Drupal';

    // @todo There should be more space above the header than below it.
    $text = "Drupal\n\n======== Drupal ==============================================================\n\nDrupal\n";
    $this
      ->assertHtmlToText($html, $text, 'Paragraph before and text after <h1> tag');
    $html = 'Drupal<h1>Drupal</h1><p>Drupal</p>';

    // @todo There should be more space above the header than below it.
    $text = "Drupal\n======== Drupal ==============================================================\n\nDrupal\n\n";
    $this
      ->assertHtmlToText($html, $text, 'Text before and paragraph after <h1> tag');
    $html = '<p>Drupal</p><h1>Drupal</h1><p>Drupal</p>';
    $text = "Drupal\n\n======== Drupal ==============================================================\n\nDrupal\n\n";
    $this
      ->assertHtmlToText($html, $text, 'Paragraph before and after <h1> tag');
  }

  /**
   * Tests that footnote references are properly generated.
   */
  public function testFootnoteReferences() {
    global $base_path, $base_url;
    $source = <<<EOT
<a href="http://www.example.com/node/1">Host and path</a>
<br /><a href="http://www.example.com">Host, no path</a>
<br /><a href="{<span class="php-variable">$base_path</span>}node/1">Path, no host</a>
<br /><a href="node/1">Relative path</a>
EOT;
    $source = str_replace([
      "\r",
      "\n",
    ], '', $source);

    // @todo Footnote URLs should be absolute.
    // @todo The last two references should be combined.
    $text = <<<EOT
Host and path [1]
Host, no path [2]
Path, no host [3]
Relative path [4]

[1] http://www.example.com/node/1
[2] http://www.example.com
[3] {<span class="php-variable">$base_url</span>}/node/1
[4] node/1

EOT;
    $this
      ->assertHtmlToText($source, $text, 'Footnotes');
  }

  /**
   * Tests that combinations of paragraph breaks, line breaks, linefeeds,
   * and spaces are properly handled.
   */
  public function testDrupalHtmlToTextParagraphs() {
    $tests = [];
    $tests[] = [
      'html' => "<p>line 1<br />\nline 2<br />line 3\n<br />line 4</p><p>paragraph</p>",
      // @todo Trailing line breaks should be trimmed.
      'text' => "line 1\nline 2\nline 3\nline 4\n\nparagraph\n\n",
    ];
    $tests[] = [
      'html' => "<p>line 1<br /> line 2</p> <p>line 4<br /> line 5</p> <p>0</p>",
      // @todo Trailing line breaks should be trimmed.
      'text' => "line 1\nline 2\n\nline 4\nline 5\n\n0\n\n",
    ];
    foreach ($tests as $test) {
      $this
        ->assertHtmlToText($test['html'], $test['text'], 'Paragraph breaks');
    }
  }

  /**
   * Tests \Drupal\Core\Mail\MailFormatHelper::htmlToText() wrapping.
   *
   * RFC 3676 says, "The Text/Plain media type is the lowest common
   * denominator of Internet email, with lines of no more than 998 characters."
   *
   * RFC 2046 says, "SMTP [RFC-821] allows a maximum of 998 octets before the
   * next CRLF sequence."
   *
   * RFC 821 says, "The maximum total length of a text line including the
   * <CRLF> is 1000 characters."
   */
  public function testVeryLongLineWrap() {
    $input = 'Drupal<br /><p>' . str_repeat('x', 2100) . '</p><br />Drupal';
    $output = MailFormatHelper::htmlToText($input);
    $eol = Settings::get('mail_line_endings', PHP_EOL);
    $maximum_line_length = 0;
    foreach (explode($eol, $output) as $line) {

      // We must use strlen() rather than mb_strlen() in order to count octets
      // rather than characters.
      $maximum_line_length = max($maximum_line_length, strlen($line . $eol));
    }

    // Verify that the maximum line length found was less than or equal to 1000
    // characters as per RFC 821.
    $this
      ->assertLessThanOrEqual(1000, $maximum_line_length);
  }

  /**
   * Tests that trailing whitespace is removed before newlines.
   *
   * @see \Drupal\Core\Mail\MailFormatHelper::wrapMail()
   */
  public function testRemoveTrailingWhitespace() {
    $text = "Hi there! \nHerp Derp";
    $mail_lines = explode("\n", MailFormatHelper::wrapMail($text));
    $this
      ->assertNotEquals(" ", substr($mail_lines[0], -1), 'Trailing whitespace removed.');
  }

  /**
   * Tests that trailing whitespace from Usenet style signatures is not removed.
   *
   * RFC 3676 says, "This is a special case; an (optionally quoted or quoted and
   * stuffed) line consisting of DASH DASH SP is neither fixed nor flowed."
   *
   * @see \Drupal\Core\Mail\MailFormatHelper::wrapMail()
   */
  public function testUsenetSignature() {
    $text = "Hi there!\n-- \nHerp Derp";
    $mail_lines = explode("\n", MailFormatHelper::wrapMail($text));
    $this
      ->assertEquals("-- ", $mail_lines[1], 'Trailing whitespace not removed for dash-dash-space signatures.');
    $text = "Hi there!\n--  \nHerp Derp";
    $mail_lines = explode("\n", MailFormatHelper::wrapMail($text));
    $this
      ->assertEquals("--", $mail_lines[1], 'Trailing whitespace removed for incorrect dash-dash-space signatures.');
  }

}

Members

Name	Modifiers	Type	Description	Overrides
BlockCreationTrait::placeBlock	protected	function	Creates a block instance based on default settings. Aliased as: drupalPlaceBlock
BrowserHtmlDebugTrait::$htmlOutputBaseUrl	protected	property	The Base URI to use for links to the output files.
BrowserHtmlDebugTrait::$htmlOutputClassName	protected	property	Class name for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputCounter	protected	property	Counter for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputCounterStorage	protected	property	Counter storage for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputDirectory	protected	property	Directory name for HTML output logging.
BrowserHtmlDebugTrait::$htmlOutputEnabled	protected	property	HTML output enabled.
BrowserHtmlDebugTrait::$htmlOutputFile	protected	property	The file name to write the list of URLs to.
BrowserHtmlDebugTrait::$htmlOutputTestId	protected	property	HTML output test ID.
BrowserHtmlDebugTrait::formatHtmlOutputHeaders	protected	function	Formats HTTP headers as string for HTML output logging.
BrowserHtmlDebugTrait::getHtmlOutputHeaders	protected	function	Returns headers in HTML output format.	1
BrowserHtmlDebugTrait::getResponseLogHandler	protected	function	Provides a Guzzle middleware handler to log every response received.
BrowserHtmlDebugTrait::htmlOutput	protected	function	Logs a HTML output message in a text file.
BrowserHtmlDebugTrait::initBrowserOutputFile	protected	function	Creates the directory to store browser output.
BrowserTestBase::$baseUrl	protected	property	The base URL.
BrowserTestBase::$configImporter	protected	property	The config importer that can be used in a test.
BrowserTestBase::$customTranslations	protected	property	An array of custom translations suitable for drupal_rewrite_settings().
BrowserTestBase::$databasePrefix	protected	property	The database prefix of this test run.
BrowserTestBase::$mink	protected	property	Mink session manager.
BrowserTestBase::$minkDefaultDriverArgs	protected	property	Mink default driver params.
BrowserTestBase::$minkDefaultDriverClass	protected	property	Mink class for the default driver to use.	1
BrowserTestBase::$modules	protected static	property	Modules to enable.	213
BrowserTestBase::$originalContainer	protected	property	The original container.
BrowserTestBase::$originalShutdownCallbacks	protected	property	The original array of shutdown function callbacks.
BrowserTestBase::$preserveGlobalState	protected	property
BrowserTestBase::$profile	protected	property	The profile to install as a basis for testing.	14
BrowserTestBase::$root	protected	property	The app root.
BrowserTestBase::$runTestInSeparateProcess	protected	property	Browser tests are run in separate processes to prevent collisions between code that may be loaded by tests.
BrowserTestBase::$timeLimit	protected	property	Time limit in seconds for the test.
BrowserTestBase::$translationFilesDirectory	protected	property	The translation file directory for the test environment.
BrowserTestBase::cleanupEnvironment	protected	function	Clean up the test environment.
BrowserTestBase::config	protected	function	Configuration accessor for tests. Returns non-overridden configuration.
BrowserTestBase::filePreDeleteCallback	public static	function	Ensures test files are deletable.
BrowserTestBase::getDefaultDriverInstance	protected	function	Gets an instance of the default Mink driver.
BrowserTestBase::getDrupalSettings	protected	function	Gets the JavaScript drupalSettings variable for the currently-loaded page.	1
BrowserTestBase::getHttpClient	protected	function	Obtain the HTTP client for the system under test.
BrowserTestBase::getMinkDriverArgs	protected	function	Get the Mink driver args from an environment variable, if it is set. Can be overridden in a derived class so it is possible to use a different value for a subset of tests, e.g. the JavaScript tests.	1
BrowserTestBase::getOptions	protected	function	Helper function to get the options of select field.
BrowserTestBase::getSession	public	function	Returns Mink session.
BrowserTestBase::getSessionCookies	protected	function	Get session cookies from current session.
BrowserTestBase::getTestMethodCaller	protected	function	Retrieves the current calling line in the class under test. Overrides BrowserHtmlDebugTrait::getTestMethodCaller
BrowserTestBase::initFrontPage	protected	function	Visits the front page when initializing Mink.	3
BrowserTestBase::initMink	protected	function	Initializes Mink sessions.	1
BrowserTestBase::installDrupal	public	function	Installs Drupal into the test site.	1
BrowserTestBase::registerSessions	protected	function	Registers additional Mink sessions.
BrowserTestBase::setUp	protected	function		132
BrowserTestBase::setUpAppRoot	protected	function	Sets up the root application path.
BrowserTestBase::setUpBeforeClass	public static	function
BrowserTestBase::tearDown	protected	function		2
BrowserTestBase::translatePostValues	protected	function	Transforms a nested array into a flat array suitable for submitForm().
BrowserTestBase::xpath	protected	function	Performs an xpath search on the contents of the internal browser.
BrowserTestBase::__sleep	public	function	Prevents serializing any properties.
ConfigTestTrait::configImporter	protected	function	Returns a ConfigImporter object to import test configuration.
ConfigTestTrait::copyConfig	protected	function	Copies configuration objects from source storage to target storage.
ContentTypeCreationTrait::createContentType	protected	function	Creates a custom content type based on default settings. Aliased as: drupalCreateContentType
ExtensionListTestTrait::getModulePath	protected	function	Gets the path for the specified module.
ExtensionListTestTrait::getThemePath	protected	function	Gets the path for the specified theme.
FunctionalTestSetupTrait::$apcuEnsureUniquePrefix	protected	property	The flag to set 'apcu_ensure_unique_prefix' setting.	1
FunctionalTestSetupTrait::$classLoader	protected	property	The class loader to use for installation and initialization of setup.
FunctionalTestSetupTrait::$rootUser	protected	property	The "#1" admin user.
FunctionalTestSetupTrait::doInstall	protected	function	Execute the non-interactive installer.	1
FunctionalTestSetupTrait::getDatabaseTypes	protected	function	Returns all supported database driver installer objects.
FunctionalTestSetupTrait::initConfig	protected	function	Initialize various configurations post-installation.
FunctionalTestSetupTrait::initKernel	protected	function	Initializes the kernel after installation.
FunctionalTestSetupTrait::initSettings	protected	function	Initialize settings created during install.
FunctionalTestSetupTrait::initUserSession	protected	function	Initializes user 1 for the site to be installed.
FunctionalTestSetupTrait::installDefaultThemeFromClassProperty	protected	function	Installs the default theme defined by `static::$defaultTheme` when needed.
FunctionalTestSetupTrait::installModulesFromClassProperty	protected	function	Install modules defined by `static::$modules`.	1
FunctionalTestSetupTrait::installParameters	protected	function	Returns the parameters that will be used when the test installs Drupal.	4
FunctionalTestSetupTrait::prepareEnvironment	protected	function	Prepares the current environment for running the test.	21
FunctionalTestSetupTrait::prepareRequestForGenerator	protected	function	Creates a mock request and sets it on the generator.
FunctionalTestSetupTrait::prepareSettings	protected	function	Prepares site settings and services before installation.	3
FunctionalTestSetupTrait::rebuildAll	protected	function	Resets and rebuilds the environment after setup.
FunctionalTestSetupTrait::rebuildContainer	protected	function	Rebuilds \Drupal::getContainer().
FunctionalTestSetupTrait::resetAll	protected	function	Resets all data structures after having enabled new modules.
FunctionalTestSetupTrait::setContainerParameter	protected	function	Changes parameters in the services.yml file.
FunctionalTestSetupTrait::setupBaseUrl	protected	function	Sets up the base URL based upon the environment variable.
FunctionalTestSetupTrait::writeSettings	protected	function	Rewrites the settings.php file of the test site.	1
HtmlToTextTest::$defaultTheme	protected	property	The theme to install as the default for testing. Overrides BrowserTestBase::$defaultTheme
HtmlToTextTest::assertHtmlToText	protected	function	Helper function to test \Drupal\Core\Mail\MailFormatHelper::htmlToText().
HtmlToTextTest::stringToHtml	protected	function	Converts a string to its PHP source equivalent for display in test messages.
HtmlToTextTest::testDrupalHtmlToTextArgs	public	function	Tests allowing tags in \Drupal\Core\Mail\MailFormatHelper::htmlToText().
HtmlToTextTest::testDrupalHtmlToTextBlockTagToNewline	public	function	Tests that text separated by block-level tags in HTML get separated by (at least) a newline in the plaintext version.
HtmlToTextTest::testDrupalHtmltoTextCollapsesWhitespace	public	function	Tests that whitespace is collapsed.
HtmlToTextTest::testDrupalHtmlToTextParagraphs	public	function	Tests that combinations of paragraph breaks, line breaks, linefeeds, and spaces are properly handled.
HtmlToTextTest::testFootnoteReferences	public	function	Tests that footnote references are properly generated.
HtmlToTextTest::testHeaderSeparation	public	function	Tests that headers are properly separated from surrounding text.
HtmlToTextTest::testRemoveTrailingWhitespace	public	function	Tests that trailing whitespace is removed before newlines.
HtmlToTextTest::testTags	public	function	Tests supported tags of \Drupal\Core\Mail\MailFormatHelper::htmlToText().
HtmlToTextTest::testUsenetSignature	public	function	Tests that trailing whitespace from Usenet style signatures is not removed.
HtmlToTextTest::testVeryLongLineWrap	public	function	Tests \Drupal\Core\Mail\MailFormatHelper::htmlToText() wrapping.
NodeCreationTrait::createNode	protected	function	Creates a node based on default settings. Aliased as: drupalCreateNode
NodeCreationTrait::getNodeByTitle	public	function	Get a node from the database based on its title. Aliased as: drupalGetNodeByTitle
PhpUnitWarnings::$deprecationWarnings	private static	property	Deprecation warnings from PHPUnit to raise with @trigger_error().
PhpUnitWarnings::addWarning	public	function	Converts PHPUnit deprecation warnings to E_USER_DEPRECATED.
RandomGeneratorTrait::$randomGenerator	protected	property	The random generator.
RandomGeneratorTrait::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName	protected	function	Generates a unique random string containing letters and numbers.
RandomGeneratorTrait::randomObject	public	function	Generates a random PHP object.
RandomGeneratorTrait::randomString	public	function	Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate	public	function	Callback for random string validation.
RefreshVariablesTrait::refreshVariables	protected	function	Refreshes in-memory configuration and state information.	1
SessionTestTrait::$sessionName	protected	property	The name of the session cookie.
SessionTestTrait::generateSessionName	protected	function	Generates a session cookie name.
SessionTestTrait::getSessionName	protected	function	Returns the session name in use on the child site.
StorageCopyTrait::replaceStorageContents	protected static	function	Copy the configuration from one storage to another and remove stale items.
TestRequirementsTrait::checkModuleRequirements	private	function	Checks missing module requirements.
TestRequirementsTrait::checkRequirements	protected	function	Check module requirements for the Drupal use case.
TestRequirementsTrait::getDrupalRoot	protected static	function	Returns the Drupal root directory.
TestSetupTrait::$configSchemaCheckerExclusions	protected static	property	An array of config object names that are excluded from schema checking.
TestSetupTrait::$container	protected	property	The dependency injection container used in the test.
TestSetupTrait::$kernel	protected	property	The DrupalKernel instance used in the test.
TestSetupTrait::$originalSite	protected	property	The site directory of the original parent site.
TestSetupTrait::$privateFilesDirectory	protected	property	The private file directory for the test environment.
TestSetupTrait::$publicFilesDirectory	protected	property	The public file directory for the test environment.
TestSetupTrait::$siteDirectory	protected	property	The site directory of this test run.
TestSetupTrait::$strictConfigSchema	protected	property	Set to TRUE to strict check all configuration saved.	1
TestSetupTrait::$tempFilesDirectory	protected	property	The temporary file directory for the test environment.
TestSetupTrait::$testId	protected	property	The test run ID.
TestSetupTrait::changeDatabasePrefix	protected	function	Changes the database connection to the prefixed one.
TestSetupTrait::getConfigSchemaExclusions	protected	function	Gets the config schema exclusions for this test.
TestSetupTrait::getDatabaseConnection	public static	function	Returns the database connection to the site under test.
TestSetupTrait::prepareDatabasePrefix	protected	function	Generates a database prefix for running tests.	1
UiHelperTrait::$loggedInUser	protected	property	The current user logged in using the Mink controlled browser.
UiHelperTrait::$maximumMetaRefreshCount	protected	property	The number of meta refresh redirects to follow, or NULL if unlimited.
UiHelperTrait::$metaRefreshCount	protected	property	The number of meta refresh redirects followed during ::drupalGet().
UiHelperTrait::assertSession	public	function	Returns WebAssert object.	1
UiHelperTrait::buildUrl	protected	function	Builds an absolute URL from a system path or a URL object.
UiHelperTrait::checkForMetaRefresh	protected	function	Checks for meta refresh tag and if found call drupalGet() recursively.
UiHelperTrait::click	protected	function	Clicks the element with the given CSS selector.
UiHelperTrait::clickLink	protected	function	Follows a link by complete name.
UiHelperTrait::cssSelect	protected	function	Searches elements using a CSS selector in the raw content.
UiHelperTrait::cssSelectToXpath	protected	function	Translates a CSS expression to its XPath equivalent.
UiHelperTrait::drupalGet	protected	function	Retrieves a Drupal path or an absolute path.
UiHelperTrait::drupalLogin	protected	function	Logs in a user using the Mink controlled browser.
UiHelperTrait::drupalLogout	protected	function	Logs a user out of the Mink controlled browser and confirms.
UiHelperTrait::drupalUserIsLoggedIn	protected	function	Returns whether a given user account is logged in.
UiHelperTrait::getAbsoluteUrl	protected	function	Takes a path and returns an absolute path.
UiHelperTrait::getTextContent	protected	function	Retrieves the plain-text content from the current page.
UiHelperTrait::getUrl	protected	function	Get the current URL from the browser.
UiHelperTrait::isTestUsingGuzzleClient	protected	function	Determines if test is using DrupalTestBrowser.
UiHelperTrait::prepareRequest	protected	function	Prepare for a request to testing site.	1
UiHelperTrait::submitForm	protected	function	Fills and submits a form.
UserCreationTrait::checkPermissions	protected	function	Checks whether a given list of permission names is valid.
UserCreationTrait::createAdminRole	protected	function	Creates an administrative role.
UserCreationTrait::createRole	protected	function	Creates a role with specified permissions. Aliased as: drupalCreateRole
UserCreationTrait::createUser	protected	function	Create a user with a given set of permissions. Aliased as: drupalCreateUser
UserCreationTrait::grantPermissions	protected	function	Grant permissions to a user role.
UserCreationTrait::setCurrentUser	protected	function	Switch the current logged in user.
UserCreationTrait::setUpCurrentUser	protected	function	Creates a random user account and sets it as current user.
XdebugRequestTrait::extractCookiesFromRequest	protected	function	Adds xdebug cookies, from request setup.

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class HtmlToTextTest in Drupal 10

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