function LinkFieldTest::testLinkFormatter

Tests the default 'link' formatter.

File

core/modules/link/tests/src/Functional/LinkFieldTest.php, line 373

Class

LinkFieldTest

Tests link field widgets and formatters.

Namespace

Code

public function testLinkFormatter() {
    $field_name = mb_strtolower($this->randomMachineName());
    // Create a field with settings to validate.
    $this->fieldStorage = FieldStorageConfig::create([
        'field_name' => $field_name,
        'entity_type' => 'entity_test',
        'type' => 'link',
        'cardinality' => 3,
    ]);
    $this->fieldStorage
        ->save();
    FieldConfig::create([
        'field_storage' => $this->fieldStorage,
        'label' => 'Read more about this entity',
        'bundle' => 'entity_test',
        'settings' => [
            'title' => DRUPAL_OPTIONAL,
            'link_type' => LinkItemInterface::LINK_GENERIC,
        ],
    ])
        ->save();
    
    /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
    $display_repository = \Drupal::service('entity_display.repository');
    $display_repository->getFormDisplay('entity_test', 'entity_test')
        ->setComponent($field_name, [
        'type' => 'link_default',
    ])
        ->save();
    $display_options = [
        'type' => 'link',
        'label' => 'hidden',
    ];
    $display_repository->getViewDisplay('entity_test', 'entity_test', 'full')
        ->setComponent($field_name, $display_options)
        ->save();
    // Create an entity with three link field values:
    // - The first field item uses a URL only.
    // - The second field item uses a URL and link text.
    // - The third field item uses a fragment-only URL with text.
    // For consistency in assertion code below, the URL is assigned to the title
    // variable for the first field.
    $this->drupalGet('entity_test/add');
    $url1 = 'http://www.example.com/content/articles/archive?author=John&year=2012#com';
    $url2 = 'http://www.example.org/content/articles/archive?author=John&year=2012#org';
    $url3 = '#net';
    $title1 = $url1;
    // Intentionally contains an ampersand that needs sanitization on output.
    $title2 = 'A very long & strange example title that could break the nice layout of the site';
    $title3 = 'Fragment only';
    $edit = [
        "{$field_name}[0][uri]" => $url1,
        // Note that $title1 is not submitted.
"{$field_name}[0][title]" => '',
        "{$field_name}[1][uri]" => $url2,
        "{$field_name}[1][title]" => $title2,
        "{$field_name}[2][uri]" => $url3,
        "{$field_name}[2][title]" => $title3,
    ];
    // Assert label is shown.
    $this->assertText('Read more about this entity');
    $this->drupalPostForm(NULL, $edit, t('Save'));
    preg_match('|entity_test/manage/(\\d+)|', $this->getUrl(), $match);
    $id = $match[1];
    $this->assertText(t('entity_test @id has been created.', [
        '@id' => $id,
    ]));
    // Verify that the link is output according to the formatter settings.
    // Not using generatePermutations(), since that leads to 32 cases, which
    // would not test actual link field formatter functionality but rather
    // the link generator and options/attributes. Only 'url_plain' has a
    // dependency on 'url_only', so we have a total of ~10 cases.
    $options = [
        'trim_length' => [
            NULL,
            6,
        ],
        'rel' => [
            NULL,
            'nofollow',
        ],
        'target' => [
            NULL,
            '_blank',
        ],
        'url_only' => [
            [
                'url_only' => FALSE,
            ],
            [
                'url_only' => FALSE,
                'url_plain' => TRUE,
            ],
            [
                'url_only' => TRUE,
            ],
            [
                'url_only' => TRUE,
                'url_plain' => TRUE,
            ],
        ],
    ];
    foreach ($options as $setting => $values) {
        foreach ($values as $new_value) {
            // Update the field formatter settings.
            if (!is_array($new_value)) {
                $display_options['settings'] = [
                    $setting => $new_value,
                ];
            }
            else {
                $display_options['settings'] = $new_value;
            }
            $display_repository->getViewDisplay('entity_test', 'entity_test', 'full')
                ->setComponent($field_name, $display_options)
                ->save();
            $output = $this->renderTestEntity($id);
            switch ($setting) {
                case 'trim_length':
                    $url = $url1;
                    $title = isset($new_value) ? Unicode::truncate($title1, $new_value, FALSE, TRUE) : $title1;
                    $this->assertStringContainsString('<a href="' . Html::escape($url) . '">' . Html::escape($title) . '</a>', $output);
                    $url = $url2;
                    $title = isset($new_value) ? Unicode::truncate($title2, $new_value, FALSE, TRUE) : $title2;
                    $this->assertStringContainsString('<a href="' . Html::escape($url) . '">' . Html::escape($title) . '</a>', $output);
                    $url = $url3;
                    $title = isset($new_value) ? Unicode::truncate($title3, $new_value, FALSE, TRUE) : $title3;
                    $this->assertStringContainsString('<a href="' . Html::escape($url) . '">' . Html::escape($title) . '</a>', $output);
                    break;
                case 'rel':
                    $rel = isset($new_value) ? ' rel="' . $new_value . '"' : '';
                    $this->assertStringContainsString('<a href="' . Html::escape($url1) . '"' . $rel . '>' . Html::escape($title1) . '</a>', $output);
                    $this->assertStringContainsString('<a href="' . Html::escape($url2) . '"' . $rel . '>' . Html::escape($title2) . '</a>', $output);
                    $this->assertStringContainsString('<a href="' . Html::escape($url3) . '"' . $rel . '>' . Html::escape($title3) . '</a>', $output);
                    break;
                case 'target':
                    $target = isset($new_value) ? ' target="' . $new_value . '"' : '';
                    $this->assertStringContainsString('<a href="' . Html::escape($url1) . '"' . $target . '>' . Html::escape($title1) . '</a>', $output);
                    $this->assertStringContainsString('<a href="' . Html::escape($url2) . '"' . $target . '>' . Html::escape($title2) . '</a>', $output);
                    $this->assertStringContainsString('<a href="' . Html::escape($url3) . '"' . $target . '>' . Html::escape($title3) . '</a>', $output);
                    break;
                case 'url_only':
                    // In this case, $new_value is an array.
                    if (!$new_value['url_only']) {
                        $this->assertStringContainsString('<a href="' . Html::escape($url1) . '">' . Html::escape($title1) . '</a>', $output);
                        $this->assertStringContainsString('<a href="' . Html::escape($url2) . '">' . Html::escape($title2) . '</a>', $output);
                        $this->assertStringContainsString('<a href="' . Html::escape($url3) . '">' . Html::escape($title3) . '</a>', $output);
                    }
                    else {
                        if (empty($new_value['url_plain'])) {
                            $this->assertStringContainsString('<a href="' . Html::escape($url1) . '">' . Html::escape($url1) . '</a>', $output);
                            $this->assertStringContainsString('<a href="' . Html::escape($url2) . '">' . Html::escape($url2) . '</a>', $output);
                            $this->assertStringContainsString('<a href="' . Html::escape($url3) . '">' . Html::escape($url3) . '</a>', $output);
                        }
                        else {
                            $this->assertStringNotContainsString('<a href="' . Html::escape($url1) . '">' . Html::escape($url1) . '</a>', $output);
                            $this->assertStringNotContainsString('<a href="' . Html::escape($url2) . '">' . Html::escape($url2) . '</a>', $output);
                            $this->assertStringNotContainsString('<a href="' . Html::escape($url3) . '">' . Html::escape($url3) . '</a>', $output);
                            $this->assertStringContainsString(Html::escape($url1), $output);
                            $this->assertStringContainsString(Html::escape($url2), $output);
                            $this->assertStringContainsString(Html::escape($url3), $output);
                        }
                    }
                    break;
            }
        }
    }
}