ResponsiveImageAdminUITest.php

<?php

namespace Drupal\Tests\responsive_image\Functional;

use Drupal\responsive_image\ResponsiveImageStyleInterface;
use Drupal\Tests\BrowserTestBase;

/**
 * Thoroughly test the administrative interface of the Responsive Image module.
 *
 * @group responsive_image
 */
class ResponsiveImageAdminUITest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    public static $modules = [
        'responsive_image',
        'responsive_image_test_module',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Drupal\simpletest\WebTestBase\setUp().
     */
    protected function setUp() {
        parent::setUp();
        $this->drupalLogin($this->drupalCreateUser([
            'administer responsive images',
        ]));
    }
    
    /**
     * Test responsive image administration functionality.
     */
    public function testResponsiveImageAdmin() {
        // We start without any default styles.
        $this->drupalGet('admin/config/media/responsive-image-style');
        $this->assertText('There are no responsive image styles yet.');
        // Add a responsive image style.
        $this->drupalGet('admin/config/media/responsive-image-style/add');
        // The 'Responsive Image' breakpoint group should be selected by default.
        $this->assertFieldByName('breakpoint_group', 'responsive_image');
        // Create a new group.
        $edit = [
            'label' => 'Style One',
            'id' => 'style_one',
            'breakpoint_group' => 'responsive_image_test_module',
            'fallback_image_style' => 'thumbnail',
        ];
        $this->drupalPostForm('admin/config/media/responsive-image-style/add', $edit, t('Save'));
        // Check if the new group is created.
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->drupalGet('admin/config/media/responsive-image-style');
        $this->assertNoText('There are no responsive image styles yet.');
        $this->assertText('Style One');
        // Edit the group.
        $this->drupalGet('admin/config/media/responsive-image-style/style_one');
        $this->assertFieldByName('label', 'Style One');
        $this->assertFieldByName('breakpoint_group', 'responsive_image_test_module');
        $this->assertFieldByName('fallback_image_style', 'thumbnail');
        $cases = [
            [
                'mobile',
                '1x',
            ],
            [
                'mobile',
                '2x',
            ],
            [
                'narrow',
                '1x',
            ],
            [
                'narrow',
                '2x',
            ],
            [
                'wide',
                '1x',
            ],
            [
                'wide',
                '2x',
            ],
        ];
        $image_styles = array_merge([
            ResponsiveImageStyleInterface::EMPTY_IMAGE,
            ResponsiveImageStyleInterface::ORIGINAL_IMAGE,
        ], array_keys(image_style_options(FALSE)));
        foreach ($cases as $case) {
            // Check if the radio buttons are present.
            $this->assertFieldByName('keyed_styles[responsive_image_test_module.' . $case[0] . '][' . $case[1] . '][image_mapping_type]', NULL);
            // Check if the image style dropdowns are present.
            $this->assertFieldByName('keyed_styles[responsive_image_test_module.' . $case[0] . '][' . $case[1] . '][image_style]', NULL);
            // Check if the sizes textfields are present.
            $this->assertFieldByName('keyed_styles[responsive_image_test_module.' . $case[0] . '][' . $case[1] . '][sizes]', NULL);
            foreach ($image_styles as $image_style_name) {
                // Check if the image styles are available in the dropdowns.
                $this->assertNotEmpty($this->xpath('//select[@name=:name]//option[@value=:style]', [
                    ':name' => 'keyed_styles[responsive_image_test_module.' . $case[0] . '][' . $case[1] . '][image_style]',
                    ':style' => $image_style_name,
                ]));
                // Check if the image styles checkboxes are present.
                $this->assertFieldByName('keyed_styles[responsive_image_test_module.' . $case[0] . '][' . $case[1] . '][sizes_image_styles][' . $image_style_name . ']');
            }
        }
        // Save styles for 1x variant only.
        $edit = [
            'label' => 'Style One',
            'breakpoint_group' => 'responsive_image_test_module',
            'fallback_image_style' => 'thumbnail',
            'keyed_styles[responsive_image_test_module.mobile][1x][image_mapping_type]' => 'image_style',
            'keyed_styles[responsive_image_test_module.mobile][1x][image_style]' => 'thumbnail',
            'keyed_styles[responsive_image_test_module.narrow][1x][image_mapping_type]' => 'sizes',
            // Ensure the Sizes field allows long values.
'keyed_styles[responsive_image_test_module.narrow][1x][sizes]' => '(min-resolution: 192dpi) and (min-width: 170px) 386px, (min-width: 170px) 193px, (min-width: 768px) 18vw, (min-width: 480px) 30vw, 48vw',
            'keyed_styles[responsive_image_test_module.narrow][1x][sizes_image_styles][large]' => 'large',
            'keyed_styles[responsive_image_test_module.narrow][1x][sizes_image_styles][medium]' => 'medium',
            'keyed_styles[responsive_image_test_module.wide][1x][image_mapping_type]' => 'image_style',
            'keyed_styles[responsive_image_test_module.wide][1x][image_style]' => 'large',
        ];
        $this->drupalPostForm('admin/config/media/responsive-image-style/style_one', $edit, t('Save'));
        $this->drupalGet('admin/config/media/responsive-image-style/style_one');
        // Check the mapping for multipliers 1x and 2x for the mobile breakpoint.
        $this->assertFieldByName('keyed_styles[responsive_image_test_module.mobile][1x][image_style]', 'thumbnail');
        $this->assertFieldByName('keyed_styles[responsive_image_test_module.mobile][1x][image_mapping_type]', 'image_style');
        $this->assertFieldByName('keyed_styles[responsive_image_test_module.mobile][2x][image_mapping_type]', '_none');
        // Check the mapping for multipliers 1x and 2x for the narrow breakpoint.
        $this->assertFieldByName('keyed_styles[responsive_image_test_module.narrow][1x][image_mapping_type]', 'sizes');
        $this->assertFieldByName('keyed_styles[responsive_image_test_module.narrow][1x][sizes]', '(min-resolution: 192dpi) and (min-width: 170px) 386px, (min-width: 170px) 193px, (min-width: 768px) 18vw, (min-width: 480px) 30vw, 48vw');
        $this->assertFieldChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-large');
        $this->assertFieldChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-medium');
        $this->assertNoFieldChecked('edit-keyed-styles-responsive-image-test-modulenarrow-1x-sizes-image-styles-thumbnail');
        $this->assertFieldByName('keyed_styles[responsive_image_test_module.narrow][2x][image_mapping_type]', '_none');
        // Check the mapping for multipliers 1x and 2x for the wide breakpoint.
        $this->assertFieldByName('keyed_styles[responsive_image_test_module.wide][1x][image_style]', 'large');
        $this->assertFieldByName('keyed_styles[responsive_image_test_module.wide][1x][image_mapping_type]', 'image_style');
        $this->assertFieldByName('keyed_styles[responsive_image_test_module.wide][2x][image_mapping_type]', '_none');
        // Delete the style.
        $this->drupalGet('admin/config/media/responsive-image-style/style_one/delete');
        $this->drupalPostForm(NULL, [], t('Delete'));
        $this->drupalGet('admin/config/media/responsive-image-style');
        $this->assertText('There are no responsive image styles yet.');
    }

}