public function TwigExtensionFiltersTest::testAddFilterMissingArgumentException in Components! 8.2

Tests exceptions during add filter.

@covers ::addFilter

File

tests/src/Unit/TwigExtensionFiltersTest.php, line 329

Class

TwigExtensionFiltersTest

@coversDefaultClass \Drupal\components\Template\TwigExtension @group components

Namespace

Drupal\Tests\components\Unit

Code

public function testAddFilterMissingArgumentException() {
  try {
    TwigExtension::addFilter([
      'an-array',
    ], NULL, 'value');
    $exception = FALSE;
  } catch (\Exception $e) {
    $this
      ->assertStringContainsString('Value for argument "at" is required for filter "add".', $e
      ->getMessage());
    $exception = TRUE;
  }
  if (!$exception) {
    $this
      ->fail('Expected Exception, none was thrown.');
  }
}