DisplayTest.php

<?php

namespace Drupal\Tests\views_ui\Functional;

use Drupal\Component\Render\FormattableMarkup;
use Drupal\views\Entity\View;
use Drupal\views\Views;

/**
 * Tests the display UI.
 *
 * @group views_ui
 */
class DisplayTest extends UITestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_display',
    ];
    
    /**
     * Modules to enable
     *
     * @var array
     */
    public static $modules = [
        'contextual',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests adding a display.
     */
    public function testAddDisplay() {
        $view = $this->randomView();
        $this->assertNoText('Block');
        $this->assertNoText('Block 2');
        $this->drupalPostForm(NULL, [], t('Add @display', [
            '@display' => 'Block',
        ]));
        $this->assertText('Block');
        $this->assertNoText('Block 2');
    }
    
    /**
     * Tests reordering of displays.
     */
    public function testReorderDisplay() {
        $view = [
            'block[create]' => TRUE,
        ];
        $view = $this->randomView($view);
        $this->clickLink(t('Reorder displays'));
        $this->assertNotEmpty($this->xpath('//tr[@id="display-row-default"]'), 'Make sure the default display appears on the reorder listing');
        $this->assertNotEmpty($this->xpath('//tr[@id="display-row-page_1"]'), 'Make sure the page display appears on the reorder listing');
        $this->assertNotEmpty($this->xpath('//tr[@id="display-row-block_1"]'), 'Make sure the block display appears on the reorder listing');
        // Ensure the view displays are in the expected order in configuration.
        $expected_display_order = [
            'default',
            'block_1',
            'page_1',
        ];
        $this->assertEqual(array_keys(Views::getView($view['id'])->storage
            ->get('display')), $expected_display_order, 'The correct display names are present.');
        // Put the block display in front of the page display.
        $edit = [
            'displays[page_1][weight]' => 2,
            'displays[block_1][weight]' => 1,
        ];
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->drupalPostForm(NULL, [], t('Save'));
        $view = Views::getView($view['id']);
        $displays = $view->storage
            ->get('display');
        $this->assertEqual($displays['default']['position'], 0, 'Make sure the master display comes first.');
        $this->assertEqual($displays['block_1']['position'], 1, 'Make sure the block display comes before the page display.');
        $this->assertEqual($displays['page_1']['position'], 2, 'Make sure the page display comes after the block display.');
        // Ensure the view displays are in the expected order in configuration.
        $this->assertEqual(array_keys($view->storage
            ->get('display')), $expected_display_order, 'The correct display names are present.');
    }
    
    /**
     * Tests disabling of a display.
     */
    public function testDisableDisplay() {
        $view = $this->randomView();
        $path_prefix = 'admin/structure/views/view/' . $view['id'] . '/edit';
        $this->drupalGet($path_prefix);
        $this->assertEmpty($this->xpath('//div[contains(@class, :class)]', [
            ':class' => 'views-display-disabled',
        ]), 'Make sure the disabled display css class does not appear after initial adding of a view.');
        $this->assertFieldById('edit-displays-settings-settings-content-tab-content-details-top-actions-disable', NULL, 'Make sure the disable button is visible.');
        $this->assertNoFieldById('edit-displays-settings-settings-content-tab-content-details-top-actions-enable', NULL, 'Make sure the enable button is not visible.');
        $this->drupalPostForm(NULL, [], 'Disable Page');
        $this->assertNotEmpty($this->xpath('//div[contains(@class, :class)]', [
            ':class' => 'views-display-disabled',
        ]), 'Make sure the disabled display css class appears once the display is marked as such.');
        $this->assertNoFieldById('edit-displays-settings-settings-content-tab-content-details-top-actions-disable', NULL, 'Make sure the disable button is not visible.');
        $this->assertFieldById('edit-displays-settings-settings-content-tab-content-details-top-actions-enable', NULL, 'Make sure the enable button is visible.');
        $this->drupalPostForm(NULL, [], 'Enable Page');
        $this->assertEmpty($this->xpath('//div[contains(@class, :class)]', [
            ':class' => 'views-display-disabled',
        ]), 'Make sure the disabled display css class does not appears once the display is enabled again.');
    }
    
    /**
     * Tests views_ui_views_plugins_display_alter is altering plugin definitions.
     */
    public function testDisplayPluginsAlter() {
        $definitions = Views::pluginManager('display')->getDefinitions();
        $expected = [
            'route_name' => 'entity.view.edit_form',
            'route_parameters_names' => [
                'view' => 'id',
            ],
        ];
        // Test the expected views_ui array exists on each definition.
        foreach ($definitions as $definition) {
            $this->assertIdentical($definition['contextual links']['entity.view.edit_form'], $expected, 'Expected views_ui array found in plugin definition.');
        }
    }
    
    /**
     * Tests display areas.
     */
    public function testDisplayAreas() {
        // Show the advanced column.
        $this->config('views.settings')
            ->set('ui.show.advanced_column', TRUE)
            ->save();
        // Add a new data display to the view.
        $view = Views::getView('test_display');
        $view->storage
            ->addDisplay('display_no_area_test');
        $view->save();
        $this->drupalGet('admin/structure/views/view/test_display/edit/display_no_area_test_1');
        $areas = [
            'header',
            'footer',
            'empty',
        ];
        // Assert that the expected text is found in each area category.
        foreach ($areas as $type) {
            $element = $this->xpath('//div[contains(@class, :class)]/div', [
                ':class' => $type,
            ]);
            $this->assertEqual($element[0]->getHtml(), new FormattableMarkup('The selected display type does not use @type plugins', [
                '@type' => $type,
            ]));
        }
    }
    
    /**
     * Tests the link-display setting.
     */
    public function testLinkDisplay() {
        // Test setting the link display in the UI form.
        $path = 'admin/structure/views/view/test_display/edit/block_1';
        $link_display_path = 'admin/structure/views/nojs/display/test_display/block_1/link_display';
        // Test the link text displays 'None' and not 'Block 1'
        $this->drupalGet($path);
        $result = $this->xpath("//a[contains(@href, :path)]", [
            ':path' => $link_display_path,
        ]);
        $this->assertEqual($result[0]->getHtml(), t('None'), 'Make sure that the link option summary shows "None" by default.');
        $this->drupalGet($link_display_path);
        $this->assertFieldChecked('edit-link-display-0');
        // Test the default radio option on the link display form.
        $this->drupalPostForm($link_display_path, [
            'link_display' => 'page_1',
        ], t('Apply'));
        // The form redirects to the master display.
        $this->drupalGet($path);
        $result = $this->xpath("//a[contains(@href, :path)]", [
            ':path' => $link_display_path,
        ]);
        $this->assertEqual($result[0]->getHtml(), 'Page', 'Make sure that the link option summary shows the right linked display.');
        $this->drupalPostForm($link_display_path, [
            'link_display' => 'custom_url',
            'link_url' => 'a-custom-url',
        ], t('Apply'));
        // The form redirects to the master display.
        $this->drupalGet($path);
        $this->assertSession()
            ->linkExists(t('Custom URL'), 0, 'The link option has custom URL as summary.');
        // Test the default link_url value for new display
        $this->drupalPostForm(NULL, [], t('Add Block'));
        $this->assertUrl('admin/structure/views/view/test_display/edit/block_2');
        $this->clickLink(t('Custom URL'));
        $this->assertFieldByName('link_url', 'a-custom-url');
    }
    
    /**
     * Tests that the view status is correctly reflected on the edit form.
     */
    public function testViewStatus() {
        $view = $this->randomView();
        $id = $view['id'];
        // The view should initially have the enabled class on its form wrapper.
        $this->drupalGet('admin/structure/views/view/' . $id);
        $elements = $this->xpath('//div[contains(@class, :edit) and contains(@class, :status)]', [
            ':edit' => 'views-edit-view',
            ':status' => 'enabled',
        ]);
        $this->assertNotEmpty($elements, 'The enabled class was found on the form wrapper');
        $view = Views::getView($id);
        $view->storage
            ->disable()
            ->save();
        $this->drupalGet('admin/structure/views/view/' . $id);
        $elements = $this->xpath('//div[contains(@class, :edit) and contains(@class, :status)]', [
            ':edit' => 'views-edit-view',
            ':status' => 'disabled',
        ]);
        $this->assertNotEmpty($elements, 'The disabled class was found on the form wrapper.');
    }
    
    /**
     * Ensures that no XSS is possible for buttons.
     */
    public function testDisplayTitleInButtonsXss() {
        $xss_markup = '"><script>alert(123)</script>';
        $view = $this->randomView();
        $view = View::load($view['id']);
        \Drupal::configFactory()->getEditable('views.settings')
            ->set('ui.show.master_display', TRUE)
            ->save();
        foreach ([
            $xss_markup,
            '&quot;><script>alert(123)</script>',
        ] as $input) {
            $display =& $view->getDisplay('page_1');
            $display['display_title'] = $input;
            $view->save();
            $this->drupalGet("admin/structure/views/view/{$view->id()}");
            $escaped = views_ui_truncate($input, 25);
            $this->assertEscaped($escaped);
            $this->assertNoRaw($xss_markup);
            $this->drupalGet("admin/structure/views/view/{$view->id()}/edit/page_1");
            $this->assertEscaped("View {$escaped}");
            $this->assertNoRaw("View {$xss_markup}");
            $this->assertEscaped("Duplicate {$escaped}");
            $this->assertNoRaw("Duplicate {$xss_markup}");
            $this->assertEscaped("Delete {$escaped}");
            $this->assertNoRaw("Delete {$xss_markup}");
        }
    }
    
    /**
     * Tests the action links on the edit display UI.
     */
    public function testActionLinks() {
        // Change the display title of a display so it contains characters that will
        // be escaped when rendered.
        $display_title = "'<test>'";
        $this->drupalGet('admin/structure/views/view/test_display');
        $display_title_path = 'admin/structure/views/nojs/display/test_display/block_1/display_title';
        $this->drupalPostForm($display_title_path, [
            'display_title' => $display_title,
        ], t('Apply'));
        // Ensure that the title is escaped as expected.
        $this->assertEscaped($display_title);
        $this->assertNoRaw($display_title);
        // Ensure that the dropdown buttons are displayed correctly.
        $this->assertFieldByXpath('//input[@type="submit"]', 'Duplicate ' . $display_title);
        $this->assertFieldByXpath('//input[@type="submit"]', 'Delete ' . $display_title);
        $this->assertFieldByXpath('//input[@type="submit"]', 'Disable ' . $display_title);
        $this->assertNoFieldByXpath('//input[@type="submit"]', 'Enable ' . $display_title);
        // Disable the display so we can test the rendering of the "Enable" button.
        $this->drupalPostForm(NULL, NULL, 'Disable ' . $display_title);
        $this->assertFieldByXpath('//input[@type="submit"]', 'Enable ' . $display_title);
        $this->assertNoFieldByXpath('//input[@type="submit"]', 'Disable ' . $display_title);
        // Ensure that the title is escaped as expected.
        $this->assertEscaped($display_title);
        $this->assertNoRaw($display_title);
    }
    
    /**
     * Tests that the override option is hidden when it's not needed.
     */
    public function testHideDisplayOverride() {
        // Test that the override option appears with two displays.
        $this->drupalGet('admin/structure/views/nojs/handler/test_display/page_1/field/title');
        $this->assertText('All displays');
        // Remove a display and test if the override option is hidden.
        $this->drupalPostForm('admin/structure/views/view/test_display/edit/block_1', [], t('Delete @display', [
            '@display' => 'Block',
        ]));
        $this->drupalPostForm(NULL, [], t('Save'));
        $this->drupalGet('admin/structure/views/nojs/handler/test_display/page_1/field/title');
        $this->assertNoText('All displays');
        // Test that the override option is shown when display master is on.
        \Drupal::configFactory()->getEditable('views.settings')
            ->set('ui.show.master_display', TRUE)
            ->save();
        $this->drupalGet('admin/structure/views/nojs/handler/test_display/page_1/field/title');
        $this->assertText('All displays');
        // Test that the override option is shown if the current display is
        // overridden so that the option to revert is available.
        $this->drupalPostForm(NULL, [
            'override[dropdown]' => 'page_1',
        ], t('Apply'));
        \Drupal::configFactory()->getEditable('views.settings')
            ->set('ui.show.master_display', FALSE)
            ->save();
        $this->drupalGet('admin/structure/views/nojs/handler/test_display/page_1/field/title');
        $this->assertText('Revert to default');
    }

}