public function GetFilenameTest::testDrupalGetFilename in Drupal 8

Same name and namespace in other branches

1. 9 core/tests/Drupal/KernelTests/Core/Bootstrap/GetFilenameTest.php \Drupal\KernelTests\Core\Bootstrap\GetFilenameTest::testDrupalGetFilename()

Tests that drupal_get_filename() works when the file is not in database.

File

core/tests/Drupal/KernelTests/Core/Bootstrap/GetFilenameTest.php, line 32

Class

GetFilenameTest

Tests that drupal_get_filename() works correctly.

Namespace

Drupal\KernelTests\Core\Bootstrap

Code

public function testDrupalGetFilename() {

  // Retrieving the location of a module.
  $this
    ->assertIdentical(drupal_get_filename('module', 'system'), 'core/modules/system/system.info.yml');

  // Retrieving the location of a theme.
  \Drupal::service('theme_installer')
    ->install([
    'stark',
  ]);
  $this
    ->assertIdentical(drupal_get_filename('theme', 'stark'), 'core/themes/stark/stark.info.yml');

  // Retrieving the location of a theme engine.
  $this
    ->assertIdentical(drupal_get_filename('theme_engine', 'twig'), 'core/themes/engines/twig/twig.info.yml');

  // Retrieving the location of a profile. Profiles are a special case with
  // a fixed location and naming.
  $this
    ->assertIdentical(drupal_get_filename('profile', 'testing'), 'core/profiles/testing/testing.info.yml');

  // Set a custom error handler so we can ignore the file not found error.
  set_error_handler(function ($severity, $message, $file, $line) {

    // Skip error handling if this is a "file not found" error.
    if (strstr($message, 'is missing from the file system:')) {
      \Drupal::state()
        ->set('get_filename_test_triggered_error', $message);
      return;
    }
    throw new \ErrorException($message, 0, $severity, $file, $line);
  });
  $this
    ->assertNull(drupal_get_filename('module', 'there_is_a_module_for_that'), 'Searching for an item that does not exist returns NULL.');
  $this
    ->assertEquals('The following module is missing from the file system: there_is_a_module_for_that', \Drupal::state()
    ->get('get_filename_test_triggered_error'));
  $this
    ->assertNull(drupal_get_filename('theme', 'there_is_a_theme_for_you'), 'Searching for an item that does not exist returns NULL.');
  $this
    ->assertEquals('The following theme is missing from the file system: there_is_a_theme_for_you', \Drupal::state()
    ->get('get_filename_test_triggered_error'));
  $this
    ->assertNull(drupal_get_filename('profile', 'there_is_an_install_profile_for_you'), 'Searching for an item that does not exist returns NULL.');
  $this
    ->assertEquals('The following profile is missing from the file system: there_is_an_install_profile_for_you', \Drupal::state()
    ->get('get_filename_test_triggered_error'));

  // Restore the original error handler.
  restore_error_handler();
}