class CKEditorAdminTest

class CKEditorAdminTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'filter',
        'editor',
        'ckeditor',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * A user with the 'administer filters' permission.
     *
     * @var \Drupal\user\UserInterface
     */
    protected $adminUser;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Create text format.
        $filtered_html_format = FilterFormat::create([
            'format' => 'filtered_html',
            'name' => 'Filtered HTML',
            'weight' => 0,
            'filters' => [],
        ]);
        $filtered_html_format->save();
        // Create admin user.
        $this->adminUser = $this->drupalCreateUser([
            'administer filters',
        ]);
    }
    
    /**
     * Tests configuring a text editor for an existing text format.
     */
    public function testExistingFormat() {
        $ckeditor = $this->container
            ->get('plugin.manager.editor')
            ->createInstance('ckeditor');
        $this->drupalLogin($this->adminUser);
        $this->drupalGet('admin/config/content/formats/manage/filtered_html');
        // Ensure no Editor config entity exists yet.
        $editor = Editor::load('filtered_html');
        $this->assertNull($editor, 'No Editor config entity exists yet.');
        // Verify the "Text Editor" <select> when a text editor is available.
        $select = $this->assertSession()
            ->selectExists('editor[editor]');
        $this->assertFalse($select->hasAttribute('disabled'));
        $options = $select->findAll('css', 'option');
        $this->assertCount(2, $options);
        $this->assertSame('None', $options[0]->getText());
        $this->assertSame('CKEditor', $options[1]->getText());
        $this->assertTrue($options[0]->isSelected());
        // Select the "CKEditor" editor and click the "Save configuration" button.
        $edit = [
            'editor[editor]' => 'ckeditor',
        ];
        $this->submitForm($edit, 'Save configuration');
        $this->assertSession()
            ->pageTextContains('You must configure the selected text editor.');
        // Ensure the CKEditor editor returns the expected default settings.
        $expected_default_settings = [
            'toolbar' => [
                'rows' => [
                    // Button groups
[
                        [
                            'name' => 'Formatting',
                            'items' => [
                                'Bold',
                                'Italic',
                            ],
                        ],
                        [
                            'name' => 'Links',
                            'items' => [
                                'DrupalLink',
                                'DrupalUnlink',
                            ],
                        ],
                        [
                            'name' => 'Lists',
                            'items' => [
                                'BulletedList',
                                'NumberedList',
                            ],
                        ],
                        [
                            'name' => 'Media',
                            'items' => [
                                'Blockquote',
                                'DrupalImage',
                            ],
                        ],
                        [
                            'name' => 'Tools',
                            'items' => [
                                'Source',
                            ],
                        ],
                    ],
                ],
            ],
            'plugins' => [],
        ];
        $this->assertEquals($expected_default_settings, $ckeditor->getDefaultSettings());
        // Keep the "CKEditor" editor selected and click the "Configure" button.
        $this->submitForm($edit, 'editor_configure');
        $editor = Editor::load('filtered_html');
        $this->assertNull($editor, 'No Editor config entity exists yet.');
        // Ensure that drupalSettings is correct.
        $ckeditor_settings_toolbar = [
            '#theme' => 'ckeditor_settings_toolbar',
            '#editor' => Editor::create([
                'editor' => 'ckeditor',
            ]),
            '#plugins' => $this->container
                ->get('plugin.manager.ckeditor.plugin')
                ->getButtons(),
        ];
        $settings = $this->getDrupalSettings();
        $expected = $settings['ckeditor']['toolbarAdmin'];
        $this->assertEquals($expected, $this->container
            ->get('renderer')
            ->renderPlain($ckeditor_settings_toolbar), 'CKEditor toolbar settings are rendered as part of drupalSettings.');
        // Ensure the toolbar buttons configuration value is initialized to the
        // expected default value.
        $expected_buttons_value = json_encode($expected_default_settings['toolbar']['rows']);
        $this->assertSession()
            ->fieldValueEquals('editor[settings][toolbar][button_groups]', $expected_buttons_value);
        // Submit the form to save the selection of CKEditor as the chosen editor.
        $this->submitForm($edit, 'Save configuration');
        // Ensure an Editor object exists now, with the proper settings.
        $expected_settings = $expected_default_settings;
        $editor = Editor::load('filtered_html');
        $this->assertInstanceOf(Editor::class, $editor);
        $this->assertEquals($expected_settings, $editor->getSettings(), 'The Editor config entity has the correct settings.');
        // Configure the Styles plugin, and ensure the updated settings are saved.
        $this->drupalGet('admin/config/content/formats/manage/filtered_html');
        // Ensure the styles textarea exists and is initialized empty.
        $this->assertSession()
            ->fieldValueEquals('editor[settings][plugins][stylescombo][styles]', '');
        $expected_settings['toolbar']['rows'][0][] = [
            'name' => 'Styles dropdown',
            'items' => [
                'Styles',
            ],
        ];
        $edit = [
            'editor[settings][toolbar][button_groups]' => json_encode($expected_settings['toolbar']['rows']),
            'editor[settings][plugins][stylescombo][styles]' => "h1.title|Title\np.callout|Callout\n\n",
        ];
        $this->submitForm($edit, 'Save configuration');
        $expected_settings['plugins']['stylescombo']['styles'] = "h1.title|Title\np.callout|Callout\n\n";
        $editor = Editor::load('filtered_html');
        $this->assertInstanceOf(Editor::class, $editor);
        $this->assertEquals($expected_settings, $editor->getSettings(), 'The Editor config entity has the correct settings.');
        // Change the buttons that appear on the toolbar (in JavaScript, this is
        // done via drag and drop, but here we can only emulate the end result of
        // that interaction). Test multiple toolbar rows and a divider within a row.
        $this->drupalGet('admin/config/content/formats/manage/filtered_html');
        $expected_settings = $expected_default_settings;
        $expected_settings['toolbar']['rows'][0][] = [
            'name' => 'Action history',
            'items' => [
                'Undo',
                '|',
                'Redo',
                'JustifyCenter',
            ],
        ];
        $edit = [
            'editor[settings][toolbar][button_groups]' => json_encode($expected_settings['toolbar']['rows']),
        ];
        $this->submitForm($edit, 'Save configuration');
        $editor = Editor::load('filtered_html');
        $this->assertInstanceOf(Editor::class, $editor);
        $this->assertEquals($expected_settings, $editor->getSettings(), 'The Editor config entity has the correct settings.');
        // Check that the markup we're setting for the toolbar buttons (actually in
        // JavaScript's drupalSettings, and Unicode-escaped) is correctly rendered.
        $this->drupalGet('admin/config/content/formats/manage/filtered_html');
        // Create function to encode HTML as we expect it in drupalSettings.
        $json_encode = function ($html) {
            return trim(Json::encode($html), '"');
        };
        // Check the Button separator.
        $this->assertSession()
            ->responseContains($json_encode('<li data-drupal-ckeditor-button-name="-" class="ckeditor-button-separator ckeditor-multiple-button" data-drupal-ckeditor-type="separator"><a href="#" role="button" aria-label="Button separator" class="ckeditor-separator"></a></li>'));
        // Check the Format dropdown.
        $this->assertSession()
            ->responseContains($json_encode('<li data-drupal-ckeditor-button-name="Format" class="ckeditor-button"><a href="#" role="button" aria-label="Format"><span class="ckeditor-button-dropdown">Format<span class="ckeditor-button-arrow"></span></span></a></li>'));
        // Check the Styles dropdown.
        $this->assertSession()
            ->responseContains($json_encode('<li data-drupal-ckeditor-button-name="Styles" class="ckeditor-button"><a href="#" role="button" aria-label="Styles"><span class="ckeditor-button-dropdown">Styles<span class="ckeditor-button-arrow"></span></span></a></li>'));
        // Check strikethrough.
        $this->assertSession()
            ->responseContains($json_encode('<li data-drupal-ckeditor-button-name="Strike" class="ckeditor-button"><a href="#" class="cke-icon-only cke_ltr" role="button" title="strike" aria-label="strike"><span class="cke_button_icon cke_button__strike_icon">strike</span></a></li>'));
        // Now enable the ckeditor_test module, which provides one configurable
        // CKEditor plugin — this should not affect the Editor config entity.
        \Drupal::service('module_installer')->install([
            'ckeditor_test',
        ]);
        $this->resetAll();
        $this->container
            ->get('plugin.manager.ckeditor.plugin')
            ->clearCachedDefinitions();
        $this->drupalGet('admin/config/content/formats/manage/filtered_html');
        $this->assertSession()
            ->checkboxNotChecked('editor[settings][plugins][llama_contextual_and_button][ultra_llama_mode]');
        $editor = Editor::load('filtered_html');
        $this->assertInstanceOf(Editor::class, $editor);
        $this->assertEquals($expected_settings, $editor->getSettings(), 'The Editor config entity has the correct settings.');
        // Finally, check the "Ultra llama mode" checkbox.
        $this->drupalGet('admin/config/content/formats/manage/filtered_html');
        $expected_settings['toolbar']['rows'][0][] = [
            'name' => 'Ultra llama mode',
            'items' => [
                'Llama',
            ],
        ];
        $edit = [
            'editor[settings][toolbar][button_groups]' => json_encode($expected_settings['toolbar']['rows']),
            'editor[settings][plugins][llama_contextual_and_button][ultra_llama_mode]' => '1',
        ];
        $this->submitForm($edit, 'Save configuration');
        $this->drupalGet('admin/config/content/formats/manage/filtered_html');
        $this->assertSession()
            ->checkboxChecked('editor[settings][plugins][llama_contextual_and_button][ultra_llama_mode]');
        $expected_settings['plugins']['llama_contextual_and_button']['ultra_llama_mode'] = TRUE;
        $editor = Editor::load('filtered_html');
        $this->assertInstanceOf(Editor::class, $editor);
        $this->assertEquals($expected_settings, $editor->getSettings());
        $this->drupalGet('admin/config/content/formats/add');
        // Now attempt to add another filter format with the same editor and same
        // machine name.
        $edit = [
            'format' => 'filtered_html',
            'name' => 'Filtered HTML',
            'editor[editor]' => 'ckeditor',
        ];
        $this->submitForm($edit, 'editor_configure');
        $this->submitForm($edit, 'Save configuration');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains('The machine-readable name is already in use. It must be unique.');
    }
    
    /**
     * Tests configuring a text editor for a new text format.
     *
     * This test only needs to ensure that the basics of the CKEditor
     * configuration form work; details are tested in testExistingFormat().
     */
    public function testNewFormat() {
        $this->drupalLogin($this->adminUser);
        $this->drupalGet('admin/config/content/formats/add');
        // Verify the "Text Editor" <select> when a text editor is available.
        $select = $this->assertSession()
            ->selectExists('editor[editor]');
        $this->assertFalse($select->hasAttribute('disabled'));
        $options = $select->findAll('css', 'option');
        $this->assertCount(2, $options);
        $this->assertSame('None', $options[0]->getText());
        $this->assertSame('CKEditor', $options[1]->getText());
        $this->assertTrue($options[0]->isSelected());
        // Name our fancy new text format, select the "CKEditor" editor and click
        // the "Configure" button.
        $edit = [
            'name' => 'My amazing text format',
            'format' => 'amazing_format',
            'editor[editor]' => 'ckeditor',
        ];
        $this->submitForm($edit, 'editor_configure');
        $filter_format = FilterFormat::load('amazing_format');
        $this->assertNull($filter_format, 'No FilterFormat config entity exists yet.');
        $editor = Editor::load('amazing_format');
        $this->assertNull($editor, 'No Editor config entity exists yet.');
        // Ensure the toolbar buttons configuration value is initialized to the
        // default value.
        $ckeditor = $this->container
            ->get('plugin.manager.editor')
            ->createInstance('ckeditor');
        $default_settings = $ckeditor->getDefaultSettings();
        $expected_buttons_value = json_encode($default_settings['toolbar']['rows']);
        $this->assertSession()
            ->fieldValueEquals('editor[settings][toolbar][button_groups]', $expected_buttons_value);
        // Regression test for https://www.drupal.org/node/2606460.
        $settings = $this->getDrupalSettings();
        $expected = $settings['ckeditor']['toolbarAdmin'];
        $this->assertStringContainsString('<li data-drupal-ckeditor-button-name="Bold" class="ckeditor-button"><a href="#" class="cke-icon-only cke_ltr" role="button" title="bold" aria-label="bold"><span class="cke_button_icon cke_button__bold_icon">bold</span></a></li>', $expected);
        // Ensure the styles textarea exists and is initialized empty.
        $this->assertSession()
            ->fieldValueEquals('editor[settings][plugins][stylescombo][styles]', '');
        // Submit the form to create both a new text format and an associated text
        // editor.
        $this->submitForm($edit, 'Save configuration');
        // Ensure a FilterFormat object exists now.
        $filter_format = FilterFormat::load('amazing_format');
        $this->assertInstanceOf(FilterFormatInterface::class, $filter_format);
        // Ensure an Editor object exists now, with the proper settings.
        $expected_settings = $default_settings;
        $editor = Editor::load('amazing_format');
        $this->assertInstanceOf(Editor::class, $editor);
        $this->assertEquals($expected_settings, $editor->getSettings(), 'The Editor config entity has the correct settings.');
    }

}