function ConfigOverrideTest::testConfOverride

Tests configuration override.

File

drupal/core/modules/config/lib/Drupal/config/Tests/ConfigOverrideTest.php, line 40

Definition of Drupal\config\Tests\ConfigOverrideTest.

Class

ConfigOverrideTest

Tests configuration overrides via $conf in settings.php.

Namespace

Code

function testConfOverride() {
  global $conf;
  $expected_original_data = array(
    'foo' => 'bar',
    'baz' => NULL,
    '404' => 'herp',
  );

  // Set globals before installing to prove that the installed file does not
  // contain these values.
  $conf['config_test.system']['foo'] = 'overridden';
  $conf['config_test.system']['baz'] = 'injected';
  $conf['config_test.system']['404'] = 'derp';
  config_install_default_config('module', 'config_test');

  // Verify that the original configuration data exists. Have to read storage
  // directly otherwise overrides will apply.
  $active = $this->container
    ->get('config.storage');
  $data = $active
    ->read('config_test.system');
  $this
    ->assertIdentical($data['foo'], $expected_original_data['foo']);
  $this
    ->assertFalse(isset($data['baz']));
  $this
    ->assertIdentical($data['404'], $expected_original_data['404']);

  // Enter an override-free context to ensure the original data remains.
  config_context_enter('config.context.free');
  $config = config('config_test.system');
  $this
    ->assertIdentical($config
    ->get('foo'), $expected_original_data['foo']);
  $this
    ->assertIdentical($config
    ->get('baz'), $expected_original_data['baz']);
  $this
    ->assertIdentical($config
    ->get('404'), $expected_original_data['404']);
  config_context_leave();

  // Get the configuration object in an overriden context (the one set by
  // default).
  $config = config('config_test.system');

  // Verify that it contains the overridden data from $conf.
  $this
    ->assertIdentical($config
    ->get('foo'), $conf['config_test.system']['foo']);
  $this
    ->assertIdentical($config
    ->get('baz'), $conf['config_test.system']['baz']);
  $this
    ->assertIdentical($config
    ->get('404'), $conf['config_test.system']['404']);

  // Set the value for 'baz' (on the original data).
  $expected_original_data['baz'] = 'original baz';
  $config
    ->set('baz', $expected_original_data['baz']);

  // Set the value for '404' (on the original data).
  $expected_original_data['404'] = 'original 404';
  $config
    ->set('404', $expected_original_data['404']);

  // Verify that it still contains the overridden data from $conf.
  $this
    ->assertIdentical($config
    ->get('foo'), $conf['config_test.system']['foo']);
  $this
    ->assertIdentical($config
    ->get('baz'), $conf['config_test.system']['baz']);
  $this
    ->assertIdentical($config
    ->get('404'), $conf['config_test.system']['404']);

  // Save the configuration object (having overrides applied).
  $config
    ->save();

  // Reload it and verify that it still contains overridden data from $conf.
  $config = config('config_test.system');
  $this
    ->assertIdentical($config
    ->get('foo'), $conf['config_test.system']['foo']);
  $this
    ->assertIdentical($config
    ->get('baz'), $conf['config_test.system']['baz']);
  $this
    ->assertIdentical($config
    ->get('404'), $conf['config_test.system']['404']);

  // Enter an override-free context to ensure the original data remains saved.
  config_context_enter('config.context.free');
  $config = config('config_test.system');
  $this
    ->assertIdentical($config
    ->get('foo'), $expected_original_data['foo']);
  $this
    ->assertIdentical($config
    ->get('baz'), $expected_original_data['baz']);
  $this
    ->assertIdentical($config
    ->get('404'), $expected_original_data['404']);
  config_context_leave();

  // Write file to staging.
  $staging = $this->container
    ->get('config.storage.staging');
  $expected_new_data = array(
    'foo' => 'barbar',
    '404' => 'herpderp',
  );
  $staging
    ->write('config_test.system', $expected_new_data);

  // Import changed data from staging to active.
  $this
    ->configImporter()
    ->import();
  $data = $active
    ->read('config_test.system');

  // Verify that the new configuration data exists. Have to read storage
  // directly otherwise overrides will apply.
  $this
    ->assertIdentical($data['foo'], $expected_new_data['foo']);
  $this
    ->assertFalse(isset($data['baz']));
  $this
    ->assertIdentical($data['404'], $expected_new_data['404']);

  // Verifiy the overrides are still working.
  $config = config('config_test.system');
  $this
    ->assertIdentical($config
    ->get('foo'), $conf['config_test.system']['foo']);
  $this
    ->assertIdentical($config
    ->get('baz'), $conf['config_test.system']['baz']);
  $this
    ->assertIdentical($config
    ->get('404'), $conf['config_test.system']['404']);
}