class EmptyStatementTest

Same name in other branches
  1. 9 core/tests/Drupal/Tests/Core/Database/EmptyStatementTest.php \Drupal\Tests\Core\Database\EmptyStatementTest

Tests the empty pseudo-statement class.

@group Database

Hierarchy

Expanded class hierarchy of EmptyStatementTest

File

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

Namespace

Drupal\Tests\Core\Database
View source 
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

Title Deprecated Modifiers Object type Summary 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

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