function AttributeTest::testConstructor

Tests the constructor of the attribute class.

File

core/tests/Drupal/Tests/Core/Template/AttributeTest.php, line 26

Class

AttributeTest

@coversDefaultClass \Drupal\Core\Template\Attribute[[api-linebreak]] @group Template

Namespace

Code

public function testConstructor() : void {
  $attribute = new Attribute([
    'class' => [
      'example-class',
    ],
  ]);
  $this->assertTrue(isset($attribute['class']));
  $this->assertEquals(new AttributeArray('class', [
    'example-class',
  ]), $attribute['class']);
  // Test adding boolean attributes through the constructor.
  $attribute = new Attribute([
    'selected' => TRUE,
    'checked' => FALSE,
  ]);
  $this->assertTrue($attribute['selected']->value());
  $this->assertFalse($attribute['checked']->value());
  // Test that non-array values with name "class" are cast to array.
  $attribute = new Attribute([
    'class' => 'example-class',
  ]);
  $this->assertTrue(isset($attribute['class']));
  $this->assertEquals(new AttributeArray('class', [
    'example-class',
  ]), $attribute['class']);
  // Test that safe string objects work correctly.
  $safe_string = $this->prophesize(MarkupInterface::class);
  $safe_string->__toString()
    ->willReturn('example-class');
  $attribute = new Attribute([
    'class' => $safe_string->reveal(),
  ]);
  $this->assertTrue(isset($attribute['class']));
  $this->assertEquals(new AttributeArray('class', [
    'example-class',
  ]), $attribute['class']);
}