public function YamlDiscoveryTest::testDiscovery in Drupal 8

Same name and namespace in other branches

1. 9 core/tests/Drupal/Tests/Component/Discovery/YamlDiscoveryTest.php \Drupal\Tests\Component\Discovery\YamlDiscoveryTest::testDiscovery()

Tests the YAML file discovery.

File

core/tests/Drupal/Tests/Component/Discovery/YamlDiscoveryTest.php, line 31

Class

YamlDiscoveryTest

YamlDiscovery component unit tests.

Namespace

Drupal\Tests\Component\Discovery

Code

public function testDiscovery() {
  vfsStreamWrapper::register();
  $root = new vfsStreamDirectory('modules');
  vfsStreamWrapper::setRoot($root);
  $url = vfsStream::url('modules');
  mkdir($url . '/test_1');
  file_put_contents($url . '/test_1/test_1.test.yml', 'name: test');
  file_put_contents($url . '/test_1/test_2.test.yml', 'name: test');
  mkdir($url . '/test_2');
  file_put_contents($url . '/test_2/test_3.test.yml', 'name: test');

  // Write an empty YAML file.
  file_put_contents($url . '/test_2/test_4.test.yml', '');

  // Set up the directories to search.
  $directories = [
    'test_1' => $url . '/test_1',
    'test_2' => $url . '/test_1',
    'test_3' => $url . '/test_2',
    'test_4' => $url . '/test_2',
  ];
  $discovery = new YamlDiscovery('test', $directories);
  $data = $discovery
    ->findAll();
  $this
    ->assertEquals(count($data), count($directories));
  $this
    ->assertArrayHasKey('test_1', $data);
  $this
    ->assertArrayHasKey('test_2', $data);
  $this
    ->assertArrayHasKey('test_3', $data);
  $this
    ->assertArrayHasKey('test_4', $data);
  foreach ([
    'test_1',
    'test_2',
    'test_3',
  ] as $key) {
    $this
      ->assertArrayHasKey('name', $data[$key]);
    $this
      ->assertEquals($data[$key]['name'], 'test');
  }
  $this
    ->assertSame([], $data['test_4']);
}