public function ChainedTamperTest::testChainedTampers in Tamper 8

Tests the outcome of chaining multiple tamper plugins together.

@dataProvider chainedTampersDataProvider

Parameters

mixed $expected: The expected outcome.

mixed $value: The input.

array $tampers: A list of tampers to apply along with their config. Each item in the array should consist of the following:

• plugin: (string) the ID of the Tamper plugin to apply.
• config: (array) Configuration for the plugin.
• expected_exception: (string, optional) if applying a plugin should result into an exception, this key should be set to the expected Exception class.

File

tests/src/Kernel/ChainedTamperTest.php, line 41

Class

ChainedTamperTest

Tests chaining multiple tampers together.

Namespace

Drupal\Tests\tamper\Kernel

Code

public function testChainedTampers($expected, $value, array $tampers) {
  $manager = \Drupal::service('plugin.manager.tamper');
  $multiple = FALSE;
  foreach ($tampers as $plugin_data) {
    $plugin_data['config']['source_definition'] = $this
      ->createMock(SourceDefinitionInterface::class);
    $tamper = $manager
      ->createInstance($plugin_data['plugin'], $plugin_data['config']);
    if (isset($plugin_data['expected_exception'])) {
      $this
        ->expectException($plugin_data['expected_exception']);
    }
    $definition = $tamper
      ->getPluginDefinition();

    // Many plugins expect a scalar value but the current value of the
    // pipeline might be multiple scalars (this is set by the previous
    // plugin) and in this case the current value needs to be iterated
    // and each scalar separately transformed.
    if ($multiple && !$definition['handle_multiples']) {
      $new_value = [];
      foreach ($value as $scalar_value) {
        $new_value[] = $tamper
          ->tamper($scalar_value);
      }
      $value = $new_value;
    }
    else {
      $value = $tamper
        ->tamper($value);
      $multiple = $tamper
        ->multiple();
    }
  }
  $this
    ->assertEquals($expected, $value);
}