public function SelectOrOtherWidgetBaseTest::testGetSelectedOptions in Select (or other) 8.3

Tests the functionality of SelectOrOtherWidgetBase::getSelectedOptions.

File

tests/src/Unit/SelectOrOtherWidgetBaseTest.php, line 157

Class

SelectOrOtherWidgetBaseTest

Tests the form element implementation.

Namespace

Drupal\tests\select_or_other\Unit

Code

public function testGetSelectedOptions() {

  // Mock the widget
  $mock = $this
    ->getMockBuilder('Drupal\\select_or_other\\Plugin\\Field\\FieldWidget\\SelectOrOtherWidgetBase')
    ->disableOriginalConstructor()
    ->setMethods([
    'getColumn',
    'getOptions',
  ])
    ->getMockForAbstractClass();
  $mock
    ->expects($this
    ->any())
    ->method('getColumn')
    ->willReturn('id');
  $mock
    ->expects($this
    ->any())
    ->method('getOptions')
    ->willReturnOnConsecutiveCalls([], [
    1 => 1,
    2 => 2,
    3 => 3,
  ]);

  // Mock up some entities.
  $entity1 = $this
    ->getMockForAbstractClass('Drupal\\Core\\Entity\\EntityInterface');
  $entity1->id = 1;
  $entity2 = $this
    ->getMockForAbstractClass('Drupal\\Core\\Entity\\EntityInterface');
  $entity2->id = 3;

  // Put the entities in a mocked list.
  $items = $this
    ->getMockForAbstractClass('Drupal\\Core\\Field\\FieldItemListInterface');
  $items
    ->expects($this
    ->any())
    ->method('valid')
    ->willReturnOnConsecutiveCalls(TRUE, TRUE, FALSE, TRUE, TRUE, FALSE);
  $items
    ->expects($this
    ->any())
    ->method('current')
    ->willReturnOnConsecutiveCalls($entity1, $entity2, $entity1, $entity2);

  // Make getSelectedOptions accessible.
  $getSelectedOptionsMethod = new ReflectionMethod($this::$testedClassName, 'getSelectedOptions');
  $getSelectedOptionsMethod
    ->setAccessible(TRUE);
  $expected = [];
  $selected_options = $getSelectedOptionsMethod
    ->invokeArgs($mock, [
    $items,
  ]);
  $this
    ->assertArrayEquals($expected, $selected_options, 'Selected options without a matching option are filtered out.');

  /** @var SelectOrOtherWidgetBase $mock */
  $expected = [
    1,
    3,
  ];
  $selected_options = $getSelectedOptionsMethod
    ->invokeArgs($mock, [
    $items,
  ]);
  $this
    ->assertArrayEquals($expected, $selected_options, 'Selected options with matching options are kept.');
}