public function TypedDataTest::testTypedDataLists in Zircon Profile 8.0

Same name and namespace in other branches

1. 8 core/modules/system/src/Tests/TypedData/TypedDataTest.php \Drupal\system\Tests\TypedData\TypedDataTest::testTypedDataLists()

Tests using typed data lists.

File

core/modules/system/src/Tests/TypedData/TypedDataTest.php, line 315

Contains \Drupal\system\Tests\TypedData\TypedDataTest.

Class

TypedDataTest

Tests the functionality of all core data types.

Namespace

Drupal\system\Tests\TypedData

Code

public function testTypedDataLists() {

  // Test working with an existing list of strings.
  $value = array(
    'one',
    'two',
    'three',
  );
  $typed_data = $this
    ->createTypedData(ListDataDefinition::create('string'), $value);
  $this
    ->assertEqual($typed_data
    ->getValue(), $value, 'List value has been set.');

  // Test iterating.
  $count = 0;
  foreach ($typed_data as $item) {
    $this
      ->assertTrue($item instanceof TypedDataInterface);
    $count++;
  }
  $this
    ->assertEqual($count, 3);

  // Test getting the string representation.
  $this
    ->assertEqual($typed_data
    ->getString(), 'one, two, three');
  $typed_data[1] = '';
  $this
    ->assertEqual($typed_data
    ->getString(), 'one, three');

  // Test using array access.
  $this
    ->assertEqual($typed_data[0]
    ->getValue(), 'one');
  $typed_data[] = 'four';
  $this
    ->assertEqual($typed_data[3]
    ->getValue(), 'four');
  $this
    ->assertEqual($typed_data
    ->count(), 4);
  $this
    ->assertTrue(isset($typed_data[0]));
  $this
    ->assertTrue(!isset($typed_data[6]));

  // Test isEmpty and cloning.
  $this
    ->assertFalse($typed_data
    ->isEmpty());
  $clone = clone $typed_data;
  $this
    ->assertTrue($typed_data
    ->getValue() === $clone
    ->getValue());
  $this
    ->assertTrue($typed_data[0] !== $clone[0]);
  $clone
    ->setValue(array());
  $this
    ->assertTrue($clone
    ->isEmpty());

  // Make sure that resetting the value using NULL results in an empty array.
  $clone
    ->setValue(array());
  $typed_data
    ->setValue(NULL);
  $this
    ->assertIdentical($typed_data
    ->getValue(), array());
  $this
    ->assertIdentical($clone
    ->getValue(), array());

  // Test dealing with NULL items.
  $typed_data[] = NULL;
  $this
    ->assertTrue($typed_data
    ->isEmpty());
  $this
    ->assertEqual(count($typed_data), 1);
  $typed_data[] = '';
  $this
    ->assertFalse($typed_data
    ->isEmpty());
  $this
    ->assertEqual(count($typed_data), 2);
  $typed_data[] = 'three';
  $this
    ->assertFalse($typed_data
    ->isEmpty());
  $this
    ->assertEqual(count($typed_data), 3);
  $this
    ->assertEqual($typed_data
    ->getValue(), array(
    NULL,
    '',
    'three',
  ));

  // Test unsetting.
  unset($typed_data[1]);
  $this
    ->assertEqual(count($typed_data), 2);

  // Check that items were shifted.
  $this
    ->assertEqual($typed_data[1]
    ->getValue(), 'three');

  // Getting a not set list item returns NULL, and does not create a new item.
  $this
    ->assertNull($typed_data[2]);
  $this
    ->assertEqual(count($typed_data), 2);

  // Test setting the list with less values.
  $typed_data
    ->setValue(array(
    'one',
  ));
  $this
    ->assertEqual($typed_data
    ->count(), 1);

  // Test setting invalid values.
  try {
    $typed_data
      ->setValue('string');
    $this
      ->fail('No exception has been thrown when setting an invalid value.');
  } catch (\Exception $e) {
    $this
      ->pass('Exception thrown:' . $e
      ->getMessage());
  }
}