class ErrorTest in Drupal 8

@coversDefaultClass \Drupal\Core\Utility\Error @group Utility

Hierarchy

• class \Drupal\Tests\UnitTestCase extends \PHPUnit\Framework\TestCase uses PhpunitCompatibilityTrait
  • class \Drupal\Tests\Core\Utility\ErrorTest

File

core/tests/Drupal/Tests/Core/Utility/ErrorTest.php, line 12

Namespace

Drupal\Tests\Core\Utility

class ErrorTest extends UnitTestCase {

  /**
   * Tests the getLastCaller() method.
   *
   * @param array $backtrace
   *   The test backtrace array.
   * @param array $expected
   *   The expected return array.
   *
   * @dataProvider providerTestGetLastCaller
   */
  public function testGetLastCaller($backtrace, $expected) {
    $this
      ->assertSame($expected, Error::getLastCaller($backtrace));
  }

  /**
   * Data provider for testGetLastCaller.
   *
   * @return array
   *   An array of parameter data.
   */
  public function providerTestGetLastCaller() {
    $data = [];

    // Test with just one item. This should default to the function being
    // main().
    $single_item = [
      $this
        ->createBacktraceItem(),
    ];
    $data[] = [
      $single_item,
      $this
        ->createBacktraceItem('main()'),
    ];

    // Add a second item, without a class.
    $two_items = $single_item;
    $two_items[] = $this
      ->createBacktraceItem('test_function_two');
    $data[] = [
      $two_items,
      $this
        ->createBacktraceItem('test_function_two()'),
    ];

    // Add a second item, with a class.
    $two_items = $single_item;
    $two_items[] = $this
      ->createBacktraceItem('test_function_two', 'TestClass');
    $data[] = [
      $two_items,
      $this
        ->createBacktraceItem('TestClass->test_function_two()'),
    ];

    // Add blacklist functions to backtrace. They should get removed.
    foreach ([
      'debug',
      '_drupal_error_handler',
      '_drupal_exception_handler',
    ] as $function) {
      $two_items = $single_item;

      // Push to the start of the backtrace.
      array_unshift($two_items, $this
        ->createBacktraceItem($function));
      $data[] = [
        $single_item,
        $this
          ->createBacktraceItem('main()'),
      ];
    }
    return $data;
  }

  /**
   * Tests the formatBacktrace() method.
   *
   * @param array $backtrace
   *   The test backtrace array.
   * @param array $expected
   *   The expected return array.
   *
   * @dataProvider providerTestFormatBacktrace
   */
  public function testFormatBacktrace($backtrace, $expected) {
    $this
      ->assertSame($expected, Error::formatBacktrace($backtrace));
  }

  /**
   * Data provider for testFormatBacktrace.
   *
   * @return array
   */
  public function providerTestFormatBacktrace() {
    $data = [];

    // Test with no function, main should be in the backtrace.
    $data[] = [
      [
        $this
          ->createBacktraceItem(NULL, NULL),
      ],
      "main() (Line: 10)\n",
    ];
    $base = [
      $this
        ->createBacktraceItem(),
    ];
    $data[] = [
      $base,
      "test_function() (Line: 10)\n",
    ];

    // Add a second item.
    $second_item = $base;
    $second_item[] = $this
      ->createBacktraceItem('test_function_2');
    $data[] = [
      $second_item,
      "test_function() (Line: 10)\ntest_function_2() (Line: 10)\n",
    ];

    // Add a second item, with a class.
    $second_item_class = $base;
    $second_item_class[] = $this
      ->createBacktraceItem('test_function_2', 'TestClass');
    $data[] = [
      $second_item_class,
      "test_function() (Line: 10)\nTestClass->test_function_2() (Line: 10)\n",
    ];

    // Add a second item, with a class.
    $second_item_args = $base;
    $second_item_args[] = $this
      ->createBacktraceItem('test_function_2', NULL, [
      'string',
      10,
      new \stdClass(),
    ]);
    $data[] = [
      $second_item_args,
      "test_function() (Line: 10)\ntest_function_2('string', 10, Object) (Line: 10)\n",
    ];
    return $data;
  }

  /**
   * Creates a mock backtrace item.
   *
   * @param string|null $function
   *   (optional) The function name to use in the backtrace item.
   * @param string $class
   *   (optional) The class to use in the backtrace item.
   * @param array $args
   *   (optional) An array of function arguments to add to the backtrace item.
   * @param int $line
   *   (optional) The line where the function was called.
   *
   * @return array
   *   A backtrace array item.
   */
  protected function createBacktraceItem($function = 'test_function', $class = NULL, array $args = [], $line = 10) {
    $backtrace = [
      'file' => 'test_file',
      'line' => $line,
      'function' => $function,
      'args' => [],
    ];
    if (isset($class)) {
      $backtrace['class'] = $class;
      $backtrace['type'] = '->';
    }
    if (!empty($args)) {
      $backtrace['args'] = $args;
    }
    return $backtrace;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ErrorTest::createBacktraceItem	protected	function	Creates a mock backtrace item.
ErrorTest::providerTestFormatBacktrace	public	function	Data provider for testFormatBacktrace.
ErrorTest::providerTestGetLastCaller	public	function	Data provider for testGetLastCaller.
ErrorTest::testFormatBacktrace	public	function	Tests the formatBacktrace() method.
ErrorTest::testGetLastCaller	public	function	Tests the getLastCaller() method.
PhpunitCompatibilityTrait::getMock Deprecated	public	function	Returns a mock object for the specified class using the available method.
PhpunitCompatibilityTrait::setExpectedException Deprecated	public	function	Compatibility layer for PHPUnit 6 to support PHPUnit 4 code.
UnitTestCase::$randomGenerator	protected	property	The random generator.
UnitTestCase::$root	protected	property	The app root.	1
UnitTestCase::assertArrayEquals	protected	function	Asserts if two arrays are equal by sorting them first.
UnitTestCase::getBlockMockWithMachineName Deprecated	protected	function	Mocks a block with a block plugin.	1
UnitTestCase::getClassResolverStub	protected	function	Returns a stub class resolver.
UnitTestCase::getConfigFactoryStub	public	function	Returns a stub config factory that behaves according to the passed array.
UnitTestCase::getConfigStorageStub	public	function	Returns a stub config storage that returns the supplied configuration.
UnitTestCase::getContainerWithCacheTagsInvalidator	protected	function	Sets up a container with a cache tags invalidator.
UnitTestCase::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
UnitTestCase::getStringTranslationStub	public	function	Returns a stub translation manager that just returns the passed string.
UnitTestCase::randomMachineName	public	function	Generates a unique random string containing letters and numbers.
UnitTestCase::setUp	protected	function		340