class XssTest

class XssTest extends UITestBase {
    
    /**
     * {@inheritdoc}
     */
    protected static $modules = [
        'node',
        'user',
        'views_ui',
        'views_ui_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    public function testViewsUi() : void {
        $this->drupalGet('admin/structure/views/view/sa_contrib_2013_035');
        // Verify that the field admin label is properly escaped.
        $this->assertSession()
            ->assertEscaped('<marquee>test</marquee>');
        $this->drupalGet('admin/structure/views/nojs/handler/sa_contrib_2013_035/page_1/header/area');
        // Verify that the token label is properly escaped.
        $this->assertSession()
            ->assertEscaped('{{ title }} == <marquee>test</marquee>');
        $this->assertSession()
            ->assertEscaped('{{ title_1 }} == <script>alert("XSS")</script>');
    }
    
    /**
     * Checks the admin UI for double escaping.
     */
    public function testNoDoubleEscaping() : void {
        $this->drupalGet('admin/structure/views');
        $this->assertSession()
            ->pageTextContains('sa_contrib_2013_035');
        $this->assertSession()
            ->pageTextContains('Page (/foobar )');
        $this->assertSession()
            ->assertNoEscaped('&lt;');
        $this->drupalGet('admin/structure/views/view/sa_contrib_2013_035');
        $this->assertSession()
            ->assertNoEscaped('&lt;');
        $this->drupalGet('admin/structure/views/nojs/handler/sa_contrib_2013_035/page_1/header/area');
        $this->assertSession()
            ->assertNoEscaped('&lt;');
    }

}