--- /dev/null
+<?php
+
+namespace Drupal\KernelTests\Core\Config;
+
+use Drupal\Core\Config\Config;
+use Drupal\Core\Config\ConfigEvents;
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Tests events fired on configuration objects.
+ *
+ * @group config
+ */
+class ConfigEventsTest extends KernelTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['config_events_test'];
+
+ /**
+ * Tests configuration events.
+ */
+ public function testConfigEvents() {
+ $name = 'config_events_test.test';
+
+ $config = new Config($name, \Drupal::service('config.storage'), \Drupal::service('event_dispatcher'), \Drupal::service('config.typed'));
+ $config->set('key', 'initial');
+ $this->assertIdentical(\Drupal::state()->get('config_events_test.event', []), [], 'No events fired by creating a new configuration object');
+ $config->save();
+
+ $event = \Drupal::state()->get('config_events_test.event', []);
+ $this->assertIdentical($event['event_name'], ConfigEvents::SAVE);
+ $this->assertIdentical($event['current_config_data'], ['key' => 'initial']);
+ $this->assertIdentical($event['raw_config_data'], ['key' => 'initial']);
+ $this->assertIdentical($event['original_config_data'], []);
+
+ $config->set('key', 'updated')->save();
+ $event = \Drupal::state()->get('config_events_test.event', []);
+ $this->assertIdentical($event['event_name'], ConfigEvents::SAVE);
+ $this->assertIdentical($event['current_config_data'], ['key' => 'updated']);
+ $this->assertIdentical($event['raw_config_data'], ['key' => 'updated']);
+ $this->assertIdentical($event['original_config_data'], ['key' => 'initial']);
+
+ $config->delete();
+ $event = \Drupal::state()->get('config_events_test.event', []);
+ $this->assertIdentical($event['event_name'], ConfigEvents::DELETE);
+ $this->assertIdentical($event['current_config_data'], []);
+ $this->assertIdentical($event['raw_config_data'], []);
+ $this->assertIdentical($event['original_config_data'], ['key' => 'updated']);
+ }
+
+ /**
+ * Tests configuration rename event that is fired from the ConfigFactory.
+ */
+ public function testConfigRenameEvent() {
+ $name = 'config_events_test.test';
+ $new_name = 'config_events_test.test_rename';
+ $GLOBALS['config'][$name] = ['key' => 'overridden'];
+ $GLOBALS['config'][$new_name] = ['key' => 'new overridden'];
+
+ $config = $this->config($name);
+ $config->set('key', 'initial')->save();
+ $event = \Drupal::state()->get('config_events_test.event', []);
+ $this->assertIdentical($event['event_name'], ConfigEvents::SAVE);
+ $this->assertIdentical($event['current_config_data'], ['key' => 'initial']);
+
+ // Override applies when getting runtime config.
+ $this->assertEqual($GLOBALS['config'][$name], \Drupal::config($name)->get());
+
+ \Drupal::configFactory()->rename($name, $new_name);
+ $event = \Drupal::state()->get('config_events_test.event', []);
+ $this->assertIdentical($event['event_name'], ConfigEvents::RENAME);
+ $this->assertIdentical($event['current_config_data'], ['key' => 'new overridden']);
+ $this->assertIdentical($event['raw_config_data'], ['key' => 'initial']);
+ $this->assertIdentical($event['original_config_data'], ['key' => 'new overridden']);
+ }
+
+}