function AttributeTest::testChainAddRemoveClasses

Tests removing class attributes with the Attribute helper methods. @covers ::removeClass @covers ::addClass

File

core/tests/Drupal/Tests/Core/Template/AttributeTest.php, line 249

Class

AttributeTest

@coversDefaultClass \Drupal\Core\Template\Attribute @group Template

Namespace

Code

public function testChainAddRemoveClasses() : void {
    $attribute = new Attribute([
        'class' => [
            'example-class',
            'red',
            'green',
            'blue',
        ],
    ]);
    $attribute->removeClass([
        'red',
        'green',
        'pink',
    ])
        ->addClass([
        'apple',
        'lime',
        'grapefruit',
    ])
        ->addClass([
        'banana',
    ]);
    $expected = [
        'example-class',
        'blue',
        'apple',
        'lime',
        'grapefruit',
        'banana',
    ];
    $this->assertEquals($expected, $attribute['class']->value(), 'Attributes chained');
}