class EmptyStatementTest in Drupal 8

Tests the empty pseudo-statement class.

@group Database

Hierarchy

• class \Drupal\Tests\UnitTestCase extends \PHPUnit\Framework\TestCase uses PhpunitCompatibilityTrait
  • class \Drupal\Tests\Core\Database\EmptyStatementTest

File

core/tests/Drupal/Tests/Core/Database/EmptyStatementTest.php, line 14

Namespace

Drupal\Tests\Core\Database

class EmptyStatementTest extends UnitTestCase {

  /**
   * Tests that the empty result set behaves as empty.
   */
  public function testEmpty() {
    $result = new StatementEmpty();
    $this
      ->assertInstanceOf(StatementInterface::class, $result);
    $this
      ->assertNull($result
      ->fetchObject(), 'Null result returned.');
  }

  /**
   * Tests that the empty result set iterates safely.
   */
  public function testEmptyIteration() {
    $result = new StatementEmpty();
    $this
      ->assertSame(0, iterator_count($result), 'Empty result set should not iterate.');
  }

  /**
   * Tests that the empty result set mass-fetches in an expected way.
   */
  public function testEmptyFetchAll() {
    $result = new StatementEmpty();
    $this
      ->assertEquals($result
      ->fetchAll(), [], 'Empty array returned from empty result set.');
  }

}

Members

Name	Modifiers	Type	Description	Overrides
EmptyStatementTest::testEmpty	public	function	Tests that the empty result set behaves as empty.
EmptyStatementTest::testEmptyFetchAll	public	function	Tests that the empty result set mass-fetches in an expected way.
EmptyStatementTest::testEmptyIteration	public	function	Tests that the empty result set iterates safely.
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.
UnitTestCase::setUp	protected	function		340