class ViewsEscapingTest

class ViewsEscapingTest extends ViewTestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_page_display',
        'test_field_header',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * {@inheritdoc}
     *
     * We need theme_test for testing against test_basetheme and test_subtheme.
     *
     * @var array
     *
     * {@inheritdoc}
     */
    protected static $modules = [
        'views',
        'theme_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected function setUp($import_test_views = TRUE, $modules = [
        'views_test_config',
    ]) : void {
        parent::setUp(TRUE, $modules);
        $this->enableViewsTestModule();
    }
    
    /**
     * Tests for incorrectly escaped markup in the views-view-fields.html.twig.
     */
    public function testViewsViewFieldsEscaping() {
        // Test with system theme using theme function.
        $this->drupalGet('test_page_display_200');
        // Assert that there are no escaped '<'s characters.
        $this->assertSession()
            ->assertNoEscaped('<');
        // Install theme to test with template system.
        \Drupal::service('theme_installer')->install([
            'views_test_theme',
        ]);
        // Make base theme default then test for hook invocations.
        $this->config('system.theme')
            ->set('default', 'views_test_theme')
            ->save();
        $this->assertEquals('views_test_theme', $this->config('system.theme')
            ->get('default'));
        $this->drupalGet('test_page_display_200');
        // Assert that we are using the correct template.
        $this->assertSession()
            ->pageTextContains('force');
        // Assert that there are no escaped '<'s characters.
        $this->assertSession()
            ->assertNoEscaped('<');
    }
    
    /**
     * Tests for incorrectly escaped markup in a header label on a display table.
     */
    public function testViewsFieldHeaderEscaping() {
        // Test with a field header label having an html element wrapper.
        $this->drupalGet('test_field_header');
        // Assert that there are no escaped '<'s characters.
        $this->assertSession()
            ->assertNoEscaped('<');
        // Test with a field header label having a XSS test as a wrapper.
        $this->drupalGet('test_field_header_xss');
        // Assert that harmful tags are escaped in header label.
        $this->assertSession()
            ->responseNotContains('<script>alert("XSS")</script>');
    }

}