function BootstrapGetFilenameWebTestCase::testDrupalGetFilename

Test that drupal_get_filename() works correctly with a full Drupal site.

File

drupal/modules/simpletest/tests/bootstrap.test, line 493

Class

BootstrapGetFilenameWebTestCase

Test drupal_get_filename() in the context of a full Drupal installation.

Code

function testDrupalGetFilename() {

  // Search for a module that exists in the file system and the {system}
  // table and make sure that it is found.
  $this
    ->assertIdentical(drupal_get_filename('module', 'node'), 'modules/node/node.module', 'Module found at expected location.');

  // Search for a module that does not exist in either the file system or the
  // {system} table. Make sure that an appropriate error is triggered and
  // that the module winds up in the static and persistent cache.
  $this->getFilenameTestTriggeredError = NULL;
  set_error_handler(array(
    $this,
    'fileNotFoundErrorHandler',
  ));
  $non_existing_module = $this
    ->randomName();
  $this
    ->assertNull(drupal_get_filename('module', $non_existing_module), 'Searching for a module that does not exist returns NULL.');
  $this
    ->assertTrue(strpos($this->getFilenameTestTriggeredError, format_string('The following module is missing from the file system: %name', array(
    '%name' => $non_existing_module,
  ))) === 0, 'Searching for a module that does not exist triggers the correct error.');
  restore_error_handler();
  $file_scans = _drupal_file_scan_cache();
  $this
    ->assertIdentical($file_scans['module'][$non_existing_module], FALSE, 'Searching for a module that does not exist creates a record in the missing and moved files static variable.');
  drupal_file_scan_write_cache();
  $cache = cache_get('_drupal_file_scan_cache', 'cache_bootstrap');
  $this
    ->assertIdentical($cache->data['module'][$non_existing_module], FALSE, 'Searching for a module that does not exist creates a record in the missing and moved files persistent cache.');

  // Simulate moving a module to a location that does not match the location
  // in the {system} table and perform similar tests as above.
  db_update('system')
    ->fields(array(
    'filename' => 'modules/simpletest/tests/fake_location/module_test.module',
  ))
    ->condition('name', 'module_test')
    ->condition('type', 'module')
    ->execute();
  $this->getFilenameTestTriggeredError = NULL;
  set_error_handler(array(
    $this,
    'fileNotFoundErrorHandler',
  ));
  $this
    ->assertIdentical(drupal_get_filename('module', 'module_test'), 'modules/simpletest/tests/module_test.module', 'Searching for a module that has moved finds the module at its new location.');
  $this
    ->assertTrue(strpos($this->getFilenameTestTriggeredError, format_string('The following module has moved within the file system: %name', array(
    '%name' => 'module_test',
  ))) === 0, 'Searching for a module that has moved triggers the correct error.');
  restore_error_handler();
  $file_scans = _drupal_file_scan_cache();
  $this
    ->assertIdentical($file_scans['module']['module_test'], 'modules/simpletest/tests/module_test.module', 'Searching for a module that has moved creates a record in the missing and moved files static variable.');
  drupal_file_scan_write_cache();
  $cache = cache_get('_drupal_file_scan_cache', 'cache_bootstrap');
  $this
    ->assertIdentical($cache->data['module']['module_test'], 'modules/simpletest/tests/module_test.module', 'Searching for a module that has moved creates a record in the missing and moved files persistent cache.');

  // Simulate a module that exists in the {system} table but does not exist
  // in the file system and perform similar tests as above.
  $non_existing_module = $this
    ->randomName();
  db_update('system')
    ->fields(array(
    'name' => $non_existing_module,
  ))
    ->condition('name', 'module_test')
    ->condition('type', 'module')
    ->execute();
  $this->getFilenameTestTriggeredError = NULL;
  set_error_handler(array(
    $this,
    'fileNotFoundErrorHandler',
  ));
  $this
    ->assertNull(drupal_get_filename('module', $non_existing_module), 'Searching for a module that exists in the system table but not in the file system returns NULL.');
  $this
    ->assertTrue(strpos($this->getFilenameTestTriggeredError, format_string('The following module is missing from the file system: %name', array(
    '%name' => $non_existing_module,
  ))) === 0, 'Searching for a module that exists in the system table but not in the file system triggers the correct error.');
  restore_error_handler();
  $file_scans = _drupal_file_scan_cache();
  $this
    ->assertIdentical($file_scans['module'][$non_existing_module], FALSE, 'Searching for a module that exists in the system table but not in the file system creates a record in the missing and moved files static variable.');
  drupal_file_scan_write_cache();
  $cache = cache_get('_drupal_file_scan_cache', 'cache_bootstrap');
  $this
    ->assertIdentical($cache->data['module'][$non_existing_module], FALSE, 'Searching for a module that exists in the system table but not in the file system creates a record in the missing and moved files persistent cache.');

  // Simulate a module that exists in the file system but not in the {system}
  // table and perform similar tests as above.
  db_delete('system')
    ->condition('name', 'common_test')
    ->condition('type', 'module')
    ->execute();
  system_list_reset();
  $this->getFilenameTestTriggeredError = NULL;
  set_error_handler(array(
    $this,
    'fileNotFoundErrorHandler',
  ));
  $this
    ->assertIdentical(drupal_get_filename('module', 'common_test'), 'modules/simpletest/tests/common_test.module', 'Searching for a module that does not exist in the system table finds the module at its actual location.');
  $this
    ->assertTrue(strpos($this->getFilenameTestTriggeredError, format_string('The following module has moved within the file system: %name', array(
    '%name' => 'common_test',
  ))) === 0, 'Searching for a module that does not exist in the system table triggers the correct error.');
  restore_error_handler();
  $file_scans = _drupal_file_scan_cache();
  $this
    ->assertIdentical($file_scans['module']['common_test'], 'modules/simpletest/tests/common_test.module', 'Searching for a module that does not exist in the system table creates a record in the missing and moved files static variable.');
  drupal_file_scan_write_cache();
  $cache = cache_get('_drupal_file_scan_cache', 'cache_bootstrap');
  $this
    ->assertIdentical($cache->data['module']['common_test'], 'modules/simpletest/tests/common_test.module', 'Searching for a module that does not exist in the system table creates a record in the missing and moved files persistent cache.');
}