class PermissionCheckerTest

class PermissionCheckerTest extends UnitTestCase {
  
  /**
   * The permission checker to run tests on.
   *
   * @var \Drupal\Core\Session\PermissionChecker
   */
  protected $checker;
  
  /**
   * The mocked access policy processor.
   *
   * @var \Drupal\Core\Session\AccessPolicyProcessorInterface|\Prophecy\Prophecy\ObjectProphecy
   */
  protected $processor;
  
  /**
   * The mocked account to use for testing.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $account;
  
  /**
   * {@inheritdoc}
   */
  protected function setUp() : void {
    parent::setUp();
    $this->processor = $this->prophesize(AccessPolicyProcessorInterface::class);
    $this->checker = new PermissionChecker($this->processor
      ->reveal());
    $this->account = $this->prophesize(AccountInterface::class)
      ->reveal();
  }
  
  /**
   * Tests the hasPermission method under normal circumstances.
   */
  public function testHasPermission() : void {
    $calculated_permissions = new CalculatedPermissions((new RefinableCalculatedPermissions())->addItem(new CalculatedPermissionsItem([
      'foo',
    ])));
    $this->processor
      ->processAccessPolicies($this->account)
      ->willReturn($calculated_permissions);
    $this->assertTrue($this->checker
      ->hasPermission('foo', $this->account));
    $this->assertFalse($this->checker
      ->hasPermission('bar', $this->account));
  }
  
  /**
   * Tests the hasPermission method when no policy added something.
   */
  public function testHasPermissionEmpty() : void {
    $calculated_permissions = new CalculatedPermissions(new RefinableCalculatedPermissions());
    $this->processor
      ->processAccessPolicies($this->account)
      ->willReturn($calculated_permissions);
    $this->assertFalse($this->checker
      ->hasPermission('foo', $this->account));
    $this->assertFalse($this->checker
      ->hasPermission('bar', $this->account));
  }
  
  /**
   * Tests the hasPermission method when mixed scopes and identifiers exist.
   */
  public function testHasPermissionMixed() : void {
    $calculated_permissions = new CalculatedPermissions((new RefinableCalculatedPermissions())->addItem(new CalculatedPermissionsItem([
      'foo',
    ]))
      ->addItem(new CalculatedPermissionsItem([
      'bar',
    ], identifier: 'other-identifier'))
      ->addItem(new CalculatedPermissionsItem([
      'baz',
    ], FALSE, 'other-scope', 'other-identifier')));
    $this->processor
      ->processAccessPolicies($this->account)
      ->willReturn($calculated_permissions);
    $this->assertTrue($this->checker
      ->hasPermission('foo', $this->account));
    $this->assertFalse($this->checker
      ->hasPermission('bar', $this->account));
    $this->assertFalse($this->checker
      ->hasPermission('baz', $this->account));
  }
  
  /**
   * Tests the hasPermission method with only contrib scopes and identifiers.
   */
  public function testHasPermissionOnlyContrib() : void {
    $calculated_permissions = new CalculatedPermissions((new RefinableCalculatedPermissions())->addItem(new CalculatedPermissionsItem([
      'baz',
    ], FALSE, 'other-scope', 'other-identifier')));
    $this->processor
      ->processAccessPolicies($this->account)
      ->willReturn($calculated_permissions);
    $this->assertFalse($this->checker
      ->hasPermission('foo', $this->account));
    $this->assertFalse($this->checker
      ->hasPermission('bar', $this->account));
    $this->assertFalse($this->checker
      ->hasPermission('baz', $this->account));
  }

}