function KernelTestBaseTest::testVarDump

Tests the dump() function provided by the var-dumper Symfony component.

File

core/tests/Drupal/KernelTests/KernelTestBaseTest.php, line 382

Class

KernelTestBaseTest

@coversDefaultClass \Drupal\KernelTests\KernelTestBase[[api-linebreak]]

Namespace

Code

public function testVarDump() : 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.
  $this->enableModules([
    'system',
    'user',
  ]);
  $role = Role::create([
    'id' => 'test_role',
    'label' => 'Test role',
  ]);
  dump($role);
  dump($role->id());
  $this->assertStringContainsString('Drupal\\user\\Entity\\Role', StreamCapturer::$cache);
  $this->assertStringContainsString('test_role', StreamCapturer::$cache);
}