public function TransliterationTest::testPHPTransliteration

Tests the PHPTransliteration class.

File

drupal/core/modules/system/lib/Drupal/system/Tests/Transliteration/TransliterationTest.php, line 35

Definition of Drupal\system\Tests\Transliteration\TransliterationTest.

Class

TransliterationTest

Tests Transliteration component functionality.

Namespace

Code

public function testPHPTransliteration() {
  $random = $this
    ->randomName(10);

  // Make some strings with two, three, and four-byte characters for testing.
  // Note that the 3-byte character is overridden by the 'kg' language.
  $two_byte = 'Ä Ö Ü Å Ø äöüåøhello';

  // This is a Cyrrillic character that looks something like a u. See
  // http://www.unicode.org/charts/PDF/U0400.pdf
  $three_byte = html_entity_decode('ц', ENT_NOQUOTES, 'UTF-8');

  // This is a Canadian Aboriginal character like a triangle. See
  // http://www.unicode.org/charts/PDF/U1400.pdf
  $four_byte = html_entity_decode('ᐑ', ENT_NOQUOTES, 'UTF-8');

  // These are two Gothic alphabet letters. See
  // http://en.wikipedia.org/wiki/Gothic_alphabet
  // They are not in our tables, but should at least give us '?' (unknown).
  $five_byte = html_entity_decode('𐌰𐌸', ENT_NOQUOTES, 'UTF-8');

  // Five-byte characters do not work in MySQL, so make a printable version.
  $five_byte_printable = '𐌰𐌸';
  $cases = array(
    // Each test case is (language code, input, output).
    // Test ASCII in English.
    array(
      'en',
      $random,
      $random,
    ),
    // Test ASCII in some other language with no overrides.
    array(
      'fr',
      $random,
      $random,
    ),
    // Test 3 and 4-byte characters in a language without overrides.
    // Note: if the data tables change, these will need to change too! They
    // are set up to test that data table loading works, so values come
    // directly from the data files.
    array(
      'fr',
      $three_byte,
      'c',
    ),
    array(
      'fr',
      $four_byte,
      'wii',
    ),
    // Test 5-byte characters.
    array(
      'en',
      $five_byte,
      '??',
      $five_byte_printable,
    ),
    // Test a language with no overrides.
    array(
      'en',
      $two_byte,
      'A O U A O aouaohello',
    ),
    // Test language overrides provided by core.
    array(
      'de',
      $two_byte,
      'Ae Oe Ue A O aeoeueaohello',
    ),
    array(
      'de',
      $random,
      $random,
    ),
    array(
      'dk',
      $two_byte,
      'A O U Aa Oe aouaaoehello',
    ),
    array(
      'dk',
      $random,
      $random,
    ),
    array(
      'kg',
      $three_byte,
      'ts',
    ),
    // Test the language override hook in the test module, which changes
    // the transliteration of Ä to Z and provides for the 5-byte characters.
    array(
      'zz',
      $two_byte,
      'Z O U A O aouaohello',
    ),
    array(
      'zz',
      $random,
      $random,
    ),
    array(
      'zz',
      $five_byte,
      'ATh',
      $five_byte_printable,
    ),
    // Test strings in some other languages.
    // Turkish, provided by drupal.org user Kartagis.
    array(
      'tr',
      'Abayı serdiler bize. Söyleyeceğim yüzlerine. Sanırım hepimiz aynı şeyi düşünüyoruz.',
      'Abayi serdiler bize. Soyleyecegim yuzlerine. Sanirim hepimiz ayni seyi dusunuyoruz.',
    ),
  );

  // Test each case both with a new instance of the transliteration class,
  // and with one that builds as it goes.
  $transliterator_service = $this->container
    ->get('transliteration');
  foreach ($cases as $case) {
    list($langcode, $original, $expected) = $case;
    $printable = isset($case[3]) ? $case[3] : $original;
    $transliterator_class = new PHPTransliteration();
    $actual = $transliterator_class
      ->transliterate($original, $langcode);
    $this
      ->assertIdentical($actual, $expected, format_string('@original transliteration to @actual is identical to @expected for language @langcode in new class instance.', array(
      '@original' => $printable,
      '@langcode' => $langcode,
      '@expected' => $expected,
      '@actual' => $actual,
    )));
    $actual = $transliterator_service
      ->transliterate($original, $langcode);
    $this
      ->assertIdentical($actual, $expected, format_string('@original transliteration to @actual is identical to @expected for language @langcode in service instance.', array(
      '@original' => $printable,
      '@langcode' => $langcode,
      '@expected' => $expected,
      '@actual' => $actual,
    )));
  }
}