public function ShowOnlyDeepestLevelItemsProcessorTest::testRemoveItemsWithoutChildren in Facets 8

Tests that only items without children survive.

@covers ::build

File

tests/src/Unit/Plugin/processor/ShowOnlyDeepestLevelItemsProcessorTest.php, line 38

Class

ShowOnlyDeepestLevelItemsProcessorTest

Class ShowOnlyDeepestLevelItemsProcessorTest.

Namespace

Drupal\Tests\facets\Unit\Plugin\processor

Code

public function testRemoveItemsWithoutChildren() {
  $facet = new Facet([
    'id' => 'llama',
  ], 'facets_facet');

  // Setup results.
  $results = [
    new Result($facet, 'a', 'A', 5),
    new Result($facet, 'b', 'B', 2),
    new Result($facet, 'c', 'C', 4),
  ];
  $child = new Result($facet, 'a_1', 'A 1', 3);
  $results[0]
    ->setChildren([
    $child,
  ]);

  // Execute the build method, so we can test the behavior.
  $built_results = $this->processor
    ->build($facet, $results);

  // Sort to have a 0-indexed array.
  sort($built_results);

  // Check the output.
  $this
    ->assertCount(2, $built_results);
  $this
    ->assertSame('b', $built_results[0]
    ->getRawValue());
  $this
    ->assertSame('c', $built_results[1]
    ->getRawValue());
}