Added unit tests for writeBackConfig #2300717 by bircher

tests/src/ConfigDevelAutoExportSubscriberTest.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\config_devel\Tests\ConfigDevelAutoExportSubscriberTest.
+ */
+
+namespace Drupal\config_devel\Tests;
+
+use org\bovigo\vfs\vfsStream;
+use Drupal\Component\Serialization\Yaml;
+
+use Drupal\config_devel\EventSubscriber\ConfigDevelAutoExportSubscriber;
+
+/**
+ * @coversDefaultClass \Drupal\config_devel\EventSubscriber\ConfigDevelAutoExportSubscriber
+ * @group config_devel
+ */
+class ConfigDevelAutoExportSubscriberTest extends ConfigDevelTestBase {
+
+  /**
+   * Test ConfigDevelAutoExportSubscriber::writeBackConfig().
+   */
+  public function testWriteBackConfig() {
+    $config_data = array(
+      'id' => $this->randomName(),
+      'langcode' => 'en',
+      'uuid' => '836769f4-6791-402d-9046-cc06e20be87f',
+    );
+
+    $config = $this->getMockBuilder('\Drupal\Core\Config\Config')
+      ->disableOriginalConstructor()
+      ->getMock();
+    $config->expects($this->any())
+      ->method('getName')
+      ->will($this->returnValue($this->randomName()));
+    $config->expects($this->any())
+      ->method('get')
+      ->will($this->returnValue($config_data));
+
+    $file_names = array(
+      vfsStream::url('public://' . $this->randomName() . '.yml'),
+      vfsStream::url('public://' . $this->randomName() . '.yml'),
+    );
+
+    $configDevelSubscriber = new ConfigDevelAutoExportSubscriber($this->configFactory, $this->configManager, $this->fileStorage);
+    $configDevelSubscriber->writeBackConfig($config, $file_names);
+
+    $data = $config_data;
+    unset($data['uuid']);
+
+    foreach ($file_names as $file_name) {
+      $this->assertEquals($data, Yaml::decode(file_get_contents($file_name)));
+    }
+  }
+
+}

tests/src/ConfigDevelTestBase.php

+<?php
+
+/**
+ * @file
+ * Contains \Drupal\config_devel\Tests\ConfigDevelTestBase.
+ */
+
+namespace Drupal\config_devel\Tests;
+
+use org\bovigo\vfs\vfsStream;
+use Drupal\Tests\UnitTestCase;
+
+/**
+ * Helper class with mock objects.
+ */
+abstract class ConfigDevelTestBase extends UnitTestCase {
+
+  /**
+   * @var \Drupal\Core\Config\ConfigFactoryInterface|\PHPUnit_Framework_MockObject_MockObject
+   */
+  protected $configFactory;
+
+  /**
+   * @var \Drupal\Core\Config\ConfigManagerInterface|\PHPUnit_Framework_MockObject_MockObject
+   */
+  protected $configManager;
+
+  /**
+   * @var \Drupal\Core\Config\FileStorage|\PHPUnit_Framework_MockObject_MockObject
+   */
+  protected $fileStorage;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function setUp() {
+    parent::setUp();
+    $this->configFactory = $this->getMock('Drupal\Core\Config\ConfigFactoryInterface');
+
+    $this->configManager = $this->getMock('Drupal\Core\Config\ConfigManagerInterface');
+    $this->configManager->expects($this->any())
+      ->method('getEntityTypeIdByName')
+      ->will($this->returnArgument(0));
+
+    $this->fileStorage = $this->getMockBuilder('Drupal\Core\Config\FileStorage')
+      ->disableOriginalConstructor()
+      ->getMock();
+    $this->fileStorage->expects($this->any())
+      ->method('encode')
+      ->will($this->returnCallback('Drupal\Component\Serialization\Yaml::encode'));
+
+    vfsStream::setup('public://');
+  }
+}