Updated Drupal to 8.6. This goes with the following updates because it's possible...

[yaffs-website] / web / core / modules / simpletest / tests / src / Kernel / Cache / Context / TestDiscoveryCacheContextTest.php

diff --git a/web/core/modules/simpletest/tests/src/Kernel/Cache/Context/TestDiscoveryCacheContextTest.php b/web/core/modules/simpletest/tests/src/Kernel/Cache/Context/TestDiscoveryCacheContextTest.php
new file mode 100644 (file)
index 0000000..25b2af9
--- /dev/null
+++ b/web/core/modules/simpletest/tests/src/Kernel/Cache/Context/TestDiscoveryCacheContextTest.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace Drupal\Tests\simpletest\Kernel\Cache\Context;
+
+use Drupal\KernelTests\KernelTestBase;
+use Drupal\simpletest\Cache\Context\TestDiscoveryCacheContext;
+use Drupal\simpletest\TestDiscovery;
+
+/**
+ * @group simpletest
+ */
+class TestDiscoveryCacheContextTest extends KernelTestBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public static $modules = ['simpletest'];
+
+  /**
+   * Tests that test context hashes are unique.
+   */
+  public function testContext() {
+    // Mock test discovery.
+    $discovery = $this->getMockBuilder(TestDiscovery::class)
+      ->setMethods(['getTestClasses'])
+      ->disableOriginalConstructor()
+      ->getMock();
+    // Set getTestClasses() to return different results on subsequent calls.
+    // This emulates changed tests in the filesystem.
+    $discovery->expects($this->any())
+      ->method('getTestClasses')
+      ->willReturnOnConsecutiveCalls(
+        ['group1' => ['Test']],
+        ['group2' => ['Test2']]
+      );
+
+    // Make our cache context object.
+    $cache_context = new TestDiscoveryCacheContext($discovery, $this->container->get('private_key'));
+
+    // Generate a context hash.
+    $context_hash = $cache_context->getContext();
+
+    // Since the context stores the hash, we have to reset it.
+    $hash_ref = new \ReflectionProperty($cache_context, 'hash');
+    $hash_ref->setAccessible(TRUE);
+    $hash_ref->setValue($cache_context, NULL);
+
+    // And then assert that we did not generate the same hash for different
+    // content.
+    $this->assertNotSame($context_hash, $cache_context->getContext());
+  }
+
+}