Security update for Core, with self-updated composer

[yaffs-website] / web / core / modules / system / tests / src / Functional / Update / DependencyMissingTest.php

diff --git a/web/core/modules/system/tests/src/Functional/Update/DependencyMissingTest.php b/web/core/modules/system/tests/src/Functional/Update/DependencyMissingTest.php
new file mode 100644 (file)
index 0000000..6ae4dc4
--- /dev/null
+++ b/web/core/modules/system/tests/src/Functional/Update/DependencyMissingTest.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Drupal\Tests\system\Functional\Update;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests that missing update dependencies are correctly flagged.
+ *
+ * @group Update
+ */
+class DependencyMissingTest extends BrowserTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['update_test_0', 'update_test_2'];
+
+  protected function setUp() {
+    // Only install update_test_2.module, even though its updates have a
+    // dependency on update_test_3.module.
+    parent::setUp();
+    require_once \Drupal::root() . '/core/includes/update.inc';
+  }
+
+  public function testMissingUpdate() {
+    $starting_updates = [
+      'update_test_2' => 8001,
+    ];
+    $update_graph = update_resolve_dependencies($starting_updates);
+    $this->assertTrue($update_graph['update_test_2_update_8001']['allowed'], "The module's first update function is allowed to run, since it does not have any missing dependencies.");
+    $this->assertFalse($update_graph['update_test_2_update_8002']['allowed'], "The module's second update function is not allowed to run, since it has a direct dependency on a missing update.");
+    $this->assertFalse($update_graph['update_test_2_update_8003']['allowed'], "The module's third update function is not allowed to run, since it has an indirect dependency on a missing update.");
+  }
+
+}