class UuidTest in Drupal 8

Tests the handling of Universally Unique Identifiers (UUIDs).

@group Uuid

Hierarchy

• class \Drupal\Tests\Component\Uuid\UuidTest extends \PHPUnit\Framework\TestCase

File

core/tests/Drupal/Tests/Component/Uuid/UuidTest.php, line 17

Namespace

Drupal\Tests\Component\Uuid

class UuidTest extends TestCase {

  /**
   * Tests generating valid UUIDs.
   *
   * @dataProvider providerUuidInstances
   */
  public function testGenerateUuid(UuidInterface $instance) {
    $this
      ->assertTrue(Uuid::isValid($instance
      ->generate()), sprintf('UUID generation for %s works.', get_class($instance)));
  }

  /**
   * Tests that generated UUIDs are unique.
   *
   * @dataProvider providerUuidInstances
   */
  public function testUuidIsUnique(UuidInterface $instance) {
    $this
      ->assertNotEquals($instance
      ->generate(), $instance
      ->generate(), sprintf('Same UUID was not generated twice with %s.', get_class($instance)));
  }

  /**
   * Dataprovider for UUID instance tests.
   *
   * @return array
   */
  public function providerUuidInstances() {
    $instances = [];
    $instances[][] = new Php();

    // If valid PECL extensions exists add to list.
    if (function_exists('uuid_create') && !function_exists('uuid_make')) {
      $instances[][] = new Pecl();
    }

    // If we are on Windows add the com implementation as well.
    if (function_exists('com_create_guid')) {
      $instances[][] = new Com();
    }
    return $instances;
  }

  /**
   * Tests UUID validation.
   *
   * @param string $uuid
   *   The uuid to check against.
   * @param bool $is_valid
   *   Whether the uuid is valid or not.
   * @param string $message
   *   The message to display on failure.
   *
   * @dataProvider providerTestValidation
   */
  public function testValidation($uuid, $is_valid, $message) {
    $this
      ->assertSame($is_valid, Uuid::isValid($uuid), $message);
  }

  /**
   * Dataprovider for UUID instance tests.
   *
   * @return array
   *   An array of arrays containing
   *   - The Uuid to check against.
   *   - (bool) Whether or not the Uuid is valid.
   *   - Failure message.
   */
  public function providerTestValidation() {
    return [
      // These valid UUIDs.
      [
        '6ba7b810-9dad-11d1-80b4-00c04fd430c8',
        TRUE,
        'Basic FQDN UUID did not validate',
      ],
      [
        '00000000-0000-0000-0000-000000000000',
        TRUE,
        'Minimum UUID did not validate',
      ],
      [
        'ffffffff-ffff-ffff-ffff-ffffffffffff',
        TRUE,
        'Maximum UUID did not validate',
      ],
      // These are invalid UUIDs.
      [
        '0ab26e6b-f074-4e44-9da-601205fa0e976',
        FALSE,
        'Invalid format was validated',
      ],
      [
        '0ab26e6b-f074-4e44-9daf-1205fa0e9761f',
        FALSE,
        'Invalid length was validated',
      ],
    ];
  }

}

Members

Name	Modifiers	Type	Description	Overrides
UuidTest::providerTestValidation	public	function	Dataprovider for UUID instance tests.
UuidTest::providerUuidInstances	public	function	Dataprovider for UUID instance tests.
UuidTest::testGenerateUuid	public	function	Tests generating valid UUIDs.
UuidTest::testUuidIsUnique	public	function	Tests that generated UUIDs are unique.
UuidTest::testValidation	public	function	Tests UUID validation.