Version 1

[yaffs-website] / web / core / tests / Drupal / Tests / Core / Extension / DefaultConfigTest.php

diff --git a/web/core/tests/Drupal/Tests/Core/Extension/DefaultConfigTest.php b/web/core/tests/Drupal/Tests/Core/Extension/DefaultConfigTest.php
new file mode 100644 (file)
index 0000000..29677b2
--- /dev/null
+++ b/web/core/tests/Drupal/Tests/Core/Extension/DefaultConfigTest.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Drupal\Tests\Core\Extension;
+
+use Drupal\Tests\UnitTestCase;
+use Symfony\Component\Yaml\Yaml;
+
+/**
+ * Tests default configuration of the Extension system.
+ *
+ * @group Extension
+ */
+class DefaultConfigTest extends UnitTestCase {
+
+  /**
+   * Tests that core.extension.yml is empty by default.
+   *
+   * The default configuration MUST NOT specify any extensions, because every
+   * extension has to be installed in a regular way.
+   *
+   * Otherwise, the regular runtime application would operate with extensions
+   * that were never installed. The default configuration of such extensions
+   * would not exist. Installation hooks would never be executed.
+   */
+  public function testConfigIsEmpty() {
+    $config = Yaml::parse(file_get_contents($this->root . '/core/config/install/core.extension.yml'));
+    $expected = [
+      'module' => [],
+      'theme' => [],
+      'profile' => '',
+    ];
+    $this->assertEquals($expected, $config);
+  }
+
+}