class NullCoalesceTest in Drupal 8

Tests the null_coalesce process plugin.

@group migrate

@coversDefaultClass \Drupal\migrate\Plugin\migrate\process\NullCoalesce

Hierarchy

• class \Drupal\Tests\UnitTestCase extends \PHPUnit\Framework\TestCase uses PhpunitCompatibilityTrait
  • class \Drupal\Tests\migrate\Unit\MigrateTestCase
    • class \Drupal\Tests\migrate\Unit\process\MigrateProcessTestCase
      • class \Drupal\Tests\migrate\Unit\process\NullCoalesceTest

File

core/modules/migrate/tests/src/Unit/process/NullCoalesceTest.php, line 15

Namespace

Drupal\Tests\migrate\Unit\process

class NullCoalesceTest extends MigrateProcessTestCase {

  /**
   * Tests that an exception is thrown for a non-array value.
   *
   * @covers ::transform
   */
  public function testExceptionOnInvalidValue() {
    $this
      ->expectException(MigrateException::class);
    (new NullCoalesce([], 'null_coalesce', []))
      ->transform('invalid', $this->migrateExecutable, $this->row, 'destination_property');
  }

  /**
   * Tests null_coalesce.
   *
   * @param array $source
   *   The source value.
   * @param mixed $expected_result
   *   The expected result.
   *
   * @covers ::transform
   *
   * @dataProvider transformDataProvider
   *
   * @throws \Drupal\migrate\MigrateException
   */
  public function testTransform(array $source, $expected_result) {
    $plugin = new NullCoalesce([], 'null_coalesce', []);
    $result = $plugin
      ->transform($source, $this->migrateExecutable, $this->row, 'destination_property');
    $this
      ->assertSame($expected_result, $result);
  }

  /**
   * Provides Data for ::testTransform.
   */
  public function transformDataProvider() {
    return [
      'all null' => [
        'source' => [
          NULL,
          NULL,
          NULL,
        ],
        'expected_result' => NULL,
      ],
      'false first' => [
        'source' => [
          FALSE,
          NULL,
          NULL,
        ],
        'expected_result' => FALSE,
      ],
      'no null' => [
        'source' => [
          'test',
          'test2',
        ],
        'expected_result' => 'test',
      ],
      'string first' => [
        'source' => [
          'test',
          NULL,
          'test2',
        ],
        'expected_result' => 'test',
      ],
      'empty string' => [
        'source' => [
          NULL,
          '',
          NULL,
        ],
        'expected_result' => '',
      ],
      'array' => [
        'source' => [
          NULL,
          NULL,
          [
            1,
            2,
            3,
          ],
        ],
        'expected_result' => [
          1,
          2,
          3,
        ],
      ],
    ];
  }

  /**
   * Tests null_coalesce with default value.
   *
   * @covers ::transform
   */
  public function testTransformWithDefault() {
    $plugin = new NullCoalesce([
      'default_value' => 'default',
    ], 'null_coalesce', []);
    $result = $plugin
      ->transform([
      NULL,
      NULL,
      'Test',
      'Test 2',
    ], $this->migrateExecutable, $this->row, 'destination_property');
    $this
      ->assertSame('Test', $result);
    $this
      ->assertSame('default', $plugin
      ->transform([
      NULL,
      NULL,
    ], $this->migrateExecutable, $this->row, 'destination_property'));
  }

}

Members

Name	Modifiers	Type	Description	Overrides
MigrateProcessTestCase::$migrateExecutable	protected	property
MigrateProcessTestCase::$plugin	protected	property
MigrateProcessTestCase::$row	protected	property
MigrateProcessTestCase::setUp	protected	function	Overrides UnitTestCase::setUp	19
MigrateTestCase::$idMap	protected	property	The migration ID map.
MigrateTestCase::$migrationConfiguration	protected	property	An array of migration configuration values.	16
MigrateTestCase::$migrationStatus	protected	property	Local store for mocking setStatus()/getStatus().
MigrateTestCase::createSchemaFromRow	protected	function	Generates a table schema from a row.
MigrateTestCase::getDatabase	protected	function	Gets an SQLite database connection object for use in tests.
MigrateTestCase::getMigration	protected	function	Retrieves a mocked migration.	1
MigrateTestCase::getValue	protected	function	Gets the value on a row for a given key.	1
MigrateTestCase::queryResultTest	public	function	Tests a query.
MigrateTestCase::retrievalAssertHelper	protected	function	Asserts tested values during test retrieval.
NullCoalesceTest::testExceptionOnInvalidValue	public	function	Tests that an exception is thrown for a non-array value.
NullCoalesceTest::testTransform	public	function	Tests null_coalesce.
NullCoalesceTest::testTransformWithDefault	public	function	Tests null_coalesce with default value.
NullCoalesceTest::transformDataProvider	public	function	Provides Data for ::testTransform.
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.
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.