function FieldKernelTest::testIsValueEmpty

Tests views_handler_field::isValueEmpty().

File

core/modules/views/tests/src/Kernel/Handler/FieldKernelTest.php, line 730

Class

FieldKernelTest

Tests the generic field handler.

Namespace

Code

public function testIsValueEmpty() : void {
    $view = Views::getView('test_view');
    $view->initHandlers();
    $field = $view->field['name'];
    $this->assertFalse($field->isValueEmpty("not empty", TRUE), 'A normal string is not empty.');
    $this->assertTrue($field->isValueEmpty("not empty", TRUE, FALSE), 'A normal string which skips empty() can be seen as empty.');
    $this->assertTrue($field->isValueEmpty("", TRUE), '"" is considered as empty.');
    $this->assertTrue($field->isValueEmpty('0', TRUE), '"0" is considered as empty if empty_zero is TRUE.');
    $this->assertTrue($field->isValueEmpty(0, TRUE), '0 is considered as empty if empty_zero is TRUE.');
    $this->assertFalse($field->isValueEmpty('0', FALSE), '"0" is considered not as empty if empty_zero is FALSE.');
    $this->assertFalse($field->isValueEmpty(0, FALSE), '0 is considered not as empty if empty_zero is FALSE.');
    $this->assertTrue($field->isValueEmpty(NULL, TRUE, TRUE), 'Null should be always seen as empty, regardless of no_skip_empty.');
    $this->assertTrue($field->isValueEmpty(NULL, TRUE, FALSE), 'Null should be always seen as empty, regardless of no_skip_empty.');
}