class TextUtilityTest in Image Effects 8

Tests the UTF-8 character-based wrapper of the preg_match function.

@group Image Effects

Hierarchy

• class \Drupal\Tests\UnitTestCase extends \PHPUnit\Framework\TestCase uses PhpunitCompatibilityTrait
  • class \Drupal\Tests\image_effects\Unit\TextUtilityTest

File

tests/src/Unit/TextUtilityTest.php, line 13

Namespace

Drupal\Tests\image_effects\Unit

class TextUtilityTest extends UnitTestCase {

  /**
   * Performs the tests for the offset argument.
   */
  public function testOffsetArgument() {
    $matches = [];

    // Character 'п' is 2 bytes long and preg_match() would start from the
    // second 'п' character and not from the first 'z'.
    $result = TextUtility::unicodePregMatch('/п/u', 'ппzz', $matches, NULL, 2);
    $this
      ->assertEquals(0, $result, 'String was skipped using character-based offset.');

    // Again, character 'п' is 2 bytes long and we skip 1 character, so
    // preg_match() would fail, because the string with byte offset 1 is not a
    // valid UTF-8 string.
    $result = TextUtility::unicodePregMatch('/.*$/u', 'пzz', $matches, NULL, 1);
    $this
      ->assertTrue($result && $matches[0] === 'zz', 'String was matched using character-based offset.');
  }

  /**
   * Performs the tests for the captured offset.
   */
  public function testCapturedOffset() {
    $matches = [];

    // Character 'п' is 2 bytes long and non-unicode preg_match would return
    // 2 here.
    $result = TextUtility::unicodePregMatch('/z/u', 'пz', $matches, PREG_OFFSET_CAPTURE);
    $this
      ->assertTrue($result && $matches[0][1] === 1, 'Returned offset is character-based.');
  }

}

Members

Name	Modifiers	Type	Description	Overrides
PhpunitCompatibilityTrait::getMock Deprecated	public	function	Returns a mock object for the specified class using the available method.
PhpunitCompatibilityTrait::setExpectedException Deprecated	public	function	Compatibility layer for PHPUnit 6 to support PHPUnit 4 code.
TextUtilityTest::testCapturedOffset	public	function	Performs the tests for the captured offset.
TextUtilityTest::testOffsetArgument	public	function	Performs the tests for the offset argument.
UnitTestCase::$randomGenerator	protected	property	The random generator.
UnitTestCase::$root	protected	property	The app root.	1
UnitTestCase::assertArrayEquals	protected	function	Asserts if two arrays are equal by sorting them first.
UnitTestCase::getBlockMockWithMachineName Deprecated	protected	function	Mocks a block with a block plugin.	1
UnitTestCase::getClassResolverStub	protected	function	Returns a stub class resolver.
UnitTestCase::getConfigFactoryStub	public	function	Returns a stub config factory that behaves according to the passed array.
UnitTestCase::getConfigStorageStub	public	function	Returns a stub config storage that returns the supplied configuration.
UnitTestCase::getContainerWithCacheTagsInvalidator	protected	function	Sets up a container with a cache tags invalidator.
UnitTestCase::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
UnitTestCase::getStringTranslationStub	public	function	Returns a stub translation manager that just returns the passed string.
UnitTestCase::randomMachineName	public	function	Generates a unique random string containing letters and numbers.
UnitTestCase::setUp	protected	function		340