function ConfigImporterTest::testStorageComparerTargetStorage

Tests the target storage caching during configuration import.

File

core/tests/Drupal/KernelTests/Core/Config/ConfigImporterTest.php, line 1019

Class

ConfigImporterTest

Tests importing configuration from files into active configuration.

Namespace

Code

public function testStorageComparerTargetStorage() : void {
  $this->installConfig([
    'config_events_test',
  ]);
  $this->copyConfig($this->container
    ->get('config.storage'), $this->container
    ->get('config.storage.sync'));
  $this->assertTrue($this->container
    ->get('module_installer')
    ->uninstall([
    'config_test',
  ]));
  \Drupal::state()->set('config_events_test.all_events', []);
  \Drupal::state()->set('config_test_install.foo_value', 'transient');
  // Prime the active config cache. If the ConfigImporter and StorageComparer
  // do not manage the target storage correctly this cache can pollute the
  // data.
  \Drupal::configFactory()->get('config_test.system');
  // Import the configuration. This results in a save event with the value
  // changing from foo to bar.
  $this->configImporter()
    ->import();
  $all_events = \Drupal::state()->get('config_events_test.all_events');
  // Test that the values change as expected during the configuration import.
  $this->assertCount(3, $all_events[ConfigEvents::SAVE]['config_test.system']);
  // First, the values are set by the module installer using the configuration
  // import's source storage.
  $this->assertSame([], $all_events[ConfigEvents::SAVE]['config_test.system'][0]['original_config_data']);
  $this->assertSame('bar', $all_events[ConfigEvents::SAVE]['config_test.system'][0]['current_config_data']['foo']);
  // Next, the config_test_install() function changes the value.
  $this->assertSame('bar', $all_events[ConfigEvents::SAVE]['config_test.system'][1]['original_config_data']['foo']);
  $this->assertSame('transient', $all_events[ConfigEvents::SAVE]['config_test.system'][1]['current_config_data']['foo']);
  // Last, the config importer processes all the configuration in the source
  // storage and ensures the values are as expected.
  $this->assertSame('transient', $all_events[ConfigEvents::SAVE]['config_test.system'][2]['original_config_data']['foo']);
  $this->assertSame('bar', $all_events[ConfigEvents::SAVE]['config_test.system'][2]['current_config_data']['foo']);
}