Version 1

[yaffs-website] / web / core / tests / Drupal / KernelTests / Core / Config / ConfigSnapshotTest.php

diff --git a/web/core/tests/Drupal/KernelTests/Core/Config/ConfigSnapshotTest.php b/web/core/tests/Drupal/KernelTests/Core/Config/ConfigSnapshotTest.php
new file mode 100644 (file)
index 0000000..62eff04
--- /dev/null
+++ b/web/core/tests/Drupal/KernelTests/Core/Config/ConfigSnapshotTest.php
@@ -0,0 +1,86 @@
+<?php
+
+namespace Drupal\KernelTests\Core\Config;
+
+use Drupal\Core\Config\StorageComparer;
+use Drupal\KernelTests\KernelTestBase;
+
+/**
+ * Tests config snapshot creation and updating.
+ *
+ * @group config
+ */
+class ConfigSnapshotTest extends KernelTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['config_test', 'system'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+    // Update the config snapshot. This allows the parent::setUp() to write
+    // configuration files.
+    \Drupal::service('config.manager')->createSnapshot(\Drupal::service('config.storage'), \Drupal::service('config.storage.snapshot'));
+    $this->copyConfig($this->container->get('config.storage'), $this->container->get('config.storage.sync'));
+  }
+
+  /**
+   * Tests config snapshot creation and updating.
+   */
+  public function testSnapshot() {
+    $active = $this->container->get('config.storage');
+    $sync = $this->container->get('config.storage.sync');
+    $snapshot = $this->container->get('config.storage.snapshot');
+    $config_manager = $this->container->get('config.manager');
+    $config_name = 'config_test.system';
+    $config_key = 'foo';
+    $new_data = 'foobar';
+
+    $active_snapshot_comparer = new StorageComparer($active, $snapshot, $config_manager);
+    $sync_snapshot_comparer = new StorageComparer($sync, $snapshot, $config_manager);
+
+    // Verify that we have an initial snapshot that matches the active
+    // configuration. This has to be true as no config should be installed.
+    $this->assertFalse($active_snapshot_comparer->createChangelist()->hasChanges());
+
+    // Install the default config.
+    $this->installConfig(['config_test']);
+    // Although we have imported config this has not affected the snapshot.
+    $this->assertTrue($active_snapshot_comparer->reset()->hasChanges());
+
+    // Update the config snapshot.
+    \Drupal::service('config.manager')->createSnapshot($active, $snapshot);
+
+    // The snapshot and active config should now contain the same config
+    // objects.
+    $this->assertFalse($active_snapshot_comparer->reset()->hasChanges());
+
+    // Change a configuration value in sync.
+    $sync_data = $this->config($config_name)->get();
+    $sync_data[$config_key] = $new_data;
+    $sync->write($config_name, $sync_data);
+
+    // Verify that active and snapshot match, and that sync doesn't match
+    // active.
+    $this->assertFalse($active_snapshot_comparer->reset()->hasChanges());
+    $this->assertTrue($sync_snapshot_comparer->createChangelist()->hasChanges());
+
+    // Import changed data from sync to active.
+    $this->configImporter()->import();
+
+    // Verify changed config was properly imported.
+    \Drupal::configFactory()->reset($config_name);
+    $this->assertIdentical($this->config($config_name)->get($config_key), $new_data);
+
+    // Verify that a new snapshot was created which and that it matches
+    // the active config.
+    $this->assertFalse($active_snapshot_comparer->reset()->hasChanges());
+  }
+
+}