CsrfTokenGeneratorTest.php in Zircon Profile 8

Contains \Drupal\Tests\Core\Access\CsrfTokenGeneratorTest.

Namespace

Drupal\Tests\Core\Access

File

core/tests/Drupal/Tests/Core/Access/CsrfTokenGeneratorTest.php

<?php

/**
 * @file
 * Contains \Drupal\Tests\Core\Access\CsrfTokenGeneratorTest.
 */
namespace Drupal\Tests\Core\Access;

use Drupal\Core\Site\Settings;
use Drupal\Tests\UnitTestCase;
use Drupal\Core\Access\CsrfTokenGenerator;
use Drupal\Component\Utility\Crypt;

/**
 * Tests the CsrfTokenGenerator class.
 *
 * @group Access
 * @coversDefaultClass \Drupal\Core\Access\CsrfTokenGenerator
 */
class CsrfTokenGeneratorTest extends UnitTestCase {

  /**
   * The CSRF token generator.
   *
   * @var \Drupal\Core\Access\CsrfTokenGenerator
   */
  protected $generator;

  /**
   * The mock private key instance.
   *
   * @var \Drupal\Core\PrivateKey|\PHPUnit_Framework_MockObject_MockObject
   */
  protected $privateKey;

  /**
   * The mock session metadata bag.
   *
   * @var \Drupal\Core\Session\MetadataBag|\PHPUnit_Framework_MockObject_MockObject
   */
  protected $sessionMetadata;

  /**
   * {@inheritdoc}
   */
  protected function setUp() {
    parent::setUp();
    $this->privateKey = $this
      ->getMockBuilder('Drupal\\Core\\PrivateKey')
      ->disableOriginalConstructor()
      ->setMethods(array(
      'get',
    ))
      ->getMock();
    $this->sessionMetadata = $this
      ->getMockBuilder('Drupal\\Core\\Session\\MetadataBag')
      ->disableOriginalConstructor()
      ->getMock();
    $settings = array(
      'hash_salt' => $this
        ->randomMachineName(),
    );
    new Settings($settings);
    $this->generator = new CsrfTokenGenerator($this->privateKey, $this->sessionMetadata);
  }

  /**
   * Set up default expectations on the mocks.
   */
  protected function setupDefaultExpectations() {
    $key = Crypt::randomBytesBase64();
    $this->privateKey
      ->expects($this
      ->any())
      ->method('get')
      ->will($this
      ->returnValue($key));
    $seed = Crypt::randomBytesBase64();
    $this->sessionMetadata
      ->expects($this
      ->any())
      ->method('getCsrfTokenSeed')
      ->will($this
      ->returnValue($seed));
  }

  /**
   * Tests CsrfTokenGenerator::get().
   *
   * @covers ::get
   */
  public function testGet() {
    $this
      ->setupDefaultExpectations();
    $this
      ->assertInternalType('string', $this->generator
      ->get());
    $this
      ->assertNotSame($this->generator
      ->get(), $this->generator
      ->get($this
      ->randomMachineName()));
    $this
      ->assertNotSame($this->generator
      ->get($this
      ->randomMachineName()), $this->generator
      ->get($this
      ->randomMachineName()));
  }

  /**
   * Tests that a new token seed is generated upon first use.
   *
   * @covers ::get
   */
  public function testGenerateSeedOnGet() {
    $key = Crypt::randomBytesBase64();
    $this->privateKey
      ->expects($this
      ->any())
      ->method('get')
      ->will($this
      ->returnValue($key));
    $this->sessionMetadata
      ->expects($this
      ->once())
      ->method('getCsrfTokenSeed')
      ->will($this
      ->returnValue(NULL));
    $this->sessionMetadata
      ->expects($this
      ->once())
      ->method('setCsrfTokenSeed')
      ->with($this
      ->isType('string'));
    $this
      ->assertInternalType('string', $this->generator
      ->get());
  }

  /**
   * Tests CsrfTokenGenerator::validate().
   *
   * @covers ::validate
   */
  public function testValidate() {
    $this
      ->setupDefaultExpectations();
    $token = $this->generator
      ->get();
    $this
      ->assertTrue($this->generator
      ->validate($token));
    $this
      ->assertFalse($this->generator
      ->validate($token, 'foo'));
    $token = $this->generator
      ->get('bar');
    $this
      ->assertTrue($this->generator
      ->validate($token, 'bar'));
  }

  /**
   * Tests CsrfTokenGenerator::validate() with different parameter types.
   *
   * @param mixed $token
   *   The token to be validated.
   * @param mixed $value
   *   (optional) An additional value to base the token on.
   *
   * @covers ::validate
   * @dataProvider providerTestValidateParameterTypes
   */
  public function testValidateParameterTypes($token, $value) {
    $this
      ->setupDefaultExpectations();

    // The following check might throw PHP fatals and notices, so we disable
    // error assertions.
    set_error_handler(function () {
      return TRUE;
    });
    $this
      ->assertFalse($this->generator
      ->validate($token, $value));
    restore_error_handler();
  }

  /**
   * Provides data for testValidateParameterTypes.
   *
   * @return array
   *   An array of data used by the test.
   */
  public function providerTestValidateParameterTypes() {
    return array(
      array(
        array(),
        '',
      ),
      array(
        TRUE,
        'foo',
      ),
      array(
        0,
        'foo',
      ),
    );
  }

  /**
   * Tests CsrfTokenGenerator::validate() with invalid parameter types.
   *
   * @param mixed $token
   *   The token to be validated.
   * @param mixed $value
   *   (optional) An additional value to base the token on.
   *
   * @covers ::validate
   * @dataProvider providerTestInvalidParameterTypes
   * @expectedException InvalidArgumentException
   */
  public function testInvalidParameterTypes($token, $value = '') {
    $this
      ->setupDefaultExpectations();
    $this->generator
      ->validate($token, $value);
  }

  /**
   * Provides data for testInvalidParameterTypes.
   *
   * @return array
   *   An array of data used by the test.
   */
  public function providerTestInvalidParameterTypes() {
    return array(
      array(
        NULL,
        new \stdClass(),
      ),
      array(
        0,
        array(),
      ),
      array(
        '',
        array(),
      ),
      array(
        array(),
        array(),
      ),
    );
  }

  /**
   * Tests the exception thrown when no 'hash_salt' is provided in settings.
   *
   * @covers ::get
   * @expectedException \RuntimeException
   */
  public function testGetWithNoHashSalt() {

    // Update settings with no hash salt.
    new Settings(array());
    $generator = new CsrfTokenGenerator($this->privateKey, $this->sessionMetadata);
    $generator
      ->get();
  }

}

Classes

Name	Description
CsrfTokenGeneratorTest	Tests the CsrfTokenGenerator class.