first commit

core/tests/Drupal/Tests/UnitTestCaseTest.php

@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\Tests;
+
+use Drupal\Component\Utility\Random;
+
+/**
+ * Tests for the UnitTestCase class.
+ *
+ * @group Tests
+ */
+class UnitTestCaseTest extends UnitTestCase {
+
+  /**
+   * Tests the dump() function in a test run in the same process.
+   */
+  public function testVarDumpSameProcess(): void {
+    // Append the stream capturer to the STDERR stream, so that we can test the
+    // dump() output and also prevent it from actually outputting in this
+    // particular test.
+    stream_filter_register("capture", StreamCapturer::class);
+    stream_filter_append(STDERR, "capture");
+
+    // Dump some variables.
+    $object = (object) [
+      'foo' => 'bar',
+    ];
+    dump($object);
+    dump('banana');
+
+    $this->assertStringContainsString('bar', StreamCapturer::$cache);
+    $this->assertStringContainsString('banana', StreamCapturer::$cache);
+  }
+
+  /**
+   * Tests the dump() function in a test run in a separate process.
+   *
+   * @runInSeparateProcess
+   */
+  public function testVarDumpSeparateProcess(): void {
+    // Append the stream capturer to the STDERR stream, so that we can test the
+    // dump() output and also prevent it from actually outputting in this
+    // particular test.
+    stream_filter_register("capture", StreamCapturer::class);
+    stream_filter_append(STDERR, "capture");
+
+    // Dump some variables.
+    $object = (object) [
+      'foo' => 'bar',
+    ];
+    dump($object);
+    dump('banana');
+
+    $this->assertStringContainsString('bar', StreamCapturer::$cache);
+    $this->assertStringContainsString('banana', StreamCapturer::$cache);
+  }
+
+  /**
+   * Tests the deprecation of accessing the randomGenerator property directly.
+   *
+   * @group legacy
+   */
+  public function testGetRandomGeneratorPropertyDeprecation(): void {
+    $this->expectDeprecation('Accessing the randomGenerator property is deprecated in drupal:10.2.0 and is removed from drupal:11.0.0. Use getRandomGenerator() instead. See https://www.drupal.org/node/3358445');
+    // We purposely test accessing an undefined property here. We need to tell
+    // PHPStan to ignore that.
+    // @phpstan-ignore-next-line
+    $this->assertInstanceOf(Random::class, $this->randomGenerator);
+  }
+
+}