class ConfirmFormHelperTest

class ConfirmFormHelperTest extends UnitTestCase {
    
    /**
     * @covers ::buildCancelLink
     *
     * Tests the cancel link title.
     */
    public function testCancelLinkTitle() {
        $cancel_text = 'Cancel text';
        $form = $this->createMock('Drupal\\Core\\Form\\ConfirmFormInterface');
        $form->expects($this->any())
            ->method('getCancelText')
            ->will($this->returnValue($cancel_text));
        $link = ConfirmFormHelper::buildCancelLink($form, new Request());
        $this->assertSame($cancel_text, $link['#title']);
        $this->assertSame([
            'contexts' => [
                'url.query_args:destination',
            ],
        ], $link['#cache']);
    }
    
    /**
     * @covers ::buildCancelLink
     *
     * Tests a cancel link route.
     */
    public function testCancelLinkRoute() {
        $route_name = 'foo_bar';
        $cancel_route = new Url($route_name);
        $form = $this->createMock('Drupal\\Core\\Form\\ConfirmFormInterface');
        $form->expects($this->any())
            ->method('getCancelUrl')
            ->will($this->returnValue($cancel_route));
        $link = ConfirmFormHelper::buildCancelLink($form, new Request());
        $this->assertEquals(Url::fromRoute($route_name), $link['#url']);
        $this->assertSame([
            'contexts' => [
                'url.query_args:destination',
            ],
        ], $link['#cache']);
    }
    
    /**
     * @covers ::buildCancelLink
     *
     * Tests a cancel link route with parameters.
     */
    public function testCancelLinkRouteWithParams() {
        $expected = Url::fromRoute('foo_bar.baz', [
            'baz' => 'banana',
        ], [
            'absolute' => TRUE,
        ]);
        $form = $this->createMock('Drupal\\Core\\Form\\ConfirmFormInterface');
        $form->expects($this->any())
            ->method('getCancelUrl')
            ->will($this->returnValue($expected));
        $link = ConfirmFormHelper::buildCancelLink($form, new Request());
        $this->assertEquals($expected, $link['#url']);
        $this->assertSame([
            'contexts' => [
                'url.query_args:destination',
            ],
        ], $link['#cache']);
    }
    
    /**
     * @covers ::buildCancelLink
     *
     * Tests a cancel link route with a URL object.
     */
    public function testCancelLinkRouteWithUrl() {
        $cancel_route = new Url('foo_bar.baz', [
            'baz' => 'banana',
        ], [
            'absolute' => TRUE,
        ]);
        $form = $this->createMock('Drupal\\Core\\Form\\ConfirmFormInterface');
        $form->expects($this->any())
            ->method('getCancelUrl')
            ->will($this->returnValue($cancel_route));
        $link = ConfirmFormHelper::buildCancelLink($form, new Request());
        $this->assertSame($cancel_route, $link['#url']);
        $this->assertSame([
            'contexts' => [
                'url.query_args:destination',
            ],
        ], $link['#cache']);
    }
    
    /**
     * @covers ::buildCancelLink
     *
     * Tests a cancel link provided by the destination.
     *
     * @dataProvider providerTestCancelLinkDestination
     */
    public function testCancelLinkDestination($destination) {
        $query = [
            'destination' => $destination,
        ];
        $form = $this->createMock('Drupal\\Core\\Form\\ConfirmFormInterface');
        $path_validator = $this->createMock('Drupal\\Core\\Path\\PathValidatorInterface');
        $container_builder = new ContainerBuilder();
        $container_builder->set('path.validator', $path_validator);
        \Drupal::setContainer($container_builder);
        $url = Url::fromRoute('test_route');
        $path_validator->expects($this->atLeastOnce())
            ->method('getUrlIfValidWithoutAccessCheck')
            ->with('baz')
            ->willReturn($url);
        $link = ConfirmFormHelper::buildCancelLink($form, new Request($query));
        $this->assertSame($url, $link['#url']);
        $this->assertSame([
            'contexts' => [
                'url.query_args:destination',
            ],
        ], $link['#cache']);
    }
    
    /**
     * Provides test data for testCancelLinkDestination().
     */
    public function providerTestCancelLinkDestination() {
        $data = [];
        $data[] = [
            'baz',
        ];
        $data[] = [
            '/baz',
        ];
        return $data;
    }

}