class LocaleConfigTranslationTest

class LocaleConfigTranslationTest extends BrowserTestBase {
    
    /**
     * The language code used.
     *
     * @var string
     */
    protected $langcode;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'locale',
        'contact',
        'contact_test',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * @var \Drupal\locale\StringStorageInterface
     */
    protected $storage;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() : void {
        parent::setUp();
        // Add a default locale storage for all these tests.
        $this->storage = $this->container
            ->get('locale.storage');
        // Enable import of translations. By default this is disabled for automated
        // tests.
        $this->config('locale.settings')
            ->set('translation.import_enabled', TRUE)
            ->set('translation.use_source', LOCALE_TRANSLATION_USE_SOURCE_LOCAL)
            ->save();
        // Add custom language.
        $this->langcode = 'xx';
        $admin_user = $this->drupalCreateUser([
            'administer languages',
            'access administration pages',
            'translate interface',
            'administer modules',
            'access site-wide contact form',
            'administer contact forms',
            'administer site configuration',
        ]);
        $this->drupalLogin($admin_user);
        $name = $this->randomMachineName(16);
        $edit = [
            'predefined_langcode' => 'custom',
            'langcode' => $this->langcode,
            'label' => $name,
            'direction' => LanguageInterface::DIRECTION_LTR,
        ];
        $this->drupalGet('admin/config/regional/language/add');
        $this->submitForm($edit, 'Add custom language');
        // Set path prefix.
        $edit = [
            "prefix[{$this->langcode}]" => $this->langcode,
        ];
        $this->drupalGet('admin/config/regional/language/detection/url');
        $this->submitForm($edit, 'Save configuration');
    }
    
    /**
     * Tests basic configuration translation.
     */
    public function testConfigTranslation() {
        // Check that the maintenance message exists and create translation for it.
        $source = '@site is currently under maintenance. We should be back shortly. Thank you for your patience.';
        $string = $this->storage
            ->findString([
            'source' => $source,
            'context' => '',
            'type' => 'configuration',
        ]);
        $this->assertNotEmpty($string, 'Configuration strings have been created upon installation.');
        // Translate using the UI so configuration is refreshed.
        $message = $this->randomMachineName(20);
        $search = [
            'string' => $string->source,
            'langcode' => $this->langcode,
            'translation' => 'all',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        $edit = [
            $lid => $message,
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        // Get translation and check we've only got the message.
        $translation = \Drupal::languageManager()->getLanguageConfigOverride($this->langcode, 'system.maintenance')
            ->get();
        $this->assertCount(1, $translation, 'Got the right number of properties after translation.');
        $this->assertEquals($message, $translation['message']);
        // Check default medium date format exists and create a translation for it.
        $string = $this->storage
            ->findString([
            'source' => 'D, m/d/Y - H:i',
            'context' => 'PHP date format',
            'type' => 'configuration',
        ]);
        $this->assertNotEmpty($string, 'Configuration date formats have been created upon installation.');
        // Translate using the UI so configuration is refreshed.
        $search = [
            'string' => $string->source,
            'langcode' => $this->langcode,
            'translation' => 'all',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        $edit = [
            $lid => 'D',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        $translation = \Drupal::languageManager()->getLanguageConfigOverride($this->langcode, 'core.date_format.medium')
            ->get();
        $this->assertEquals('D', $translation['pattern'], 'Got the right date format pattern after translation.');
        // Formatting the date 8 / 27 / 1985 @ 13:37 EST with pattern D should
        // display "Tue".
        $formatted_date = $this->container
            ->get('date.formatter')
            ->format(494015820, $type = 'medium', NULL, 'America/New_York', $this->langcode);
        $this->assertEquals('Tue', $formatted_date, 'Got the right formatted date using the date format translation pattern.');
        // Assert strings from image module config are not available.
        $string = $this->storage
            ->findString([
            'source' => 'Medium (220×220)',
            'context' => '',
            'type' => 'configuration',
        ]);
        $this->assertNull($string, 'Configuration strings have been created upon installation.');
        // Enable the image module.
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[image][enable]' => "1",
        ], 'Install');
        $this->rebuildContainer();
        $string = $this->storage
            ->findString([
            'source' => 'Medium (220×220)',
            'context' => '',
            'type' => 'configuration',
        ]);
        $this->assertNotEmpty($string, 'Configuration strings have been created upon installation.');
        $locations = $string->getLocations();
        // Check the configuration string has been created with the right location.
        $this->assertArrayHasKey('configuration', $locations);
        $this->assertArrayHasKey('image.style.medium', $locations['configuration']);
        // Check the string is unique and has no translation yet.
        $translations = $this->storage
            ->getTranslations([
            'language' => $this->langcode,
            'type' => 'configuration',
            'name' => 'image.style.medium',
        ]);
        $this->assertCount(1, $translations);
        $translation = reset($translations);
        $this->assertEquals($string->source, $translation->source);
        $this->assertEmpty($translation->translation);
        // Translate using the UI so configuration is refreshed.
        $image_style_label = $this->randomMachineName(20);
        $search = [
            'string' => $string->source,
            'langcode' => $this->langcode,
            'translation' => 'all',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        $edit = [
            $lid => $image_style_label,
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        // Check the right single translation has been created.
        $translations = $this->storage
            ->getTranslations([
            'language' => $this->langcode,
            'type' => 'configuration',
            'name' => 'image.style.medium',
        ]);
        $translation = reset($translations);
        $this->assertCount(1, $translations, 'Got only one translation for image configuration.');
        $this->assertEquals($string->source, $translation->source);
        $this->assertEquals($image_style_label, $translation->translation);
        // Try more complex configuration data.
        $translation = \Drupal::languageManager()->getLanguageConfigOverride($this->langcode, 'image.style.medium')
            ->get();
        $this->assertEquals($image_style_label, $translation['label'], 'Got the right translation for image style name after translation');
        // Uninstall the module.
        $this->drupalGet('admin/modules/uninstall');
        $this->submitForm([
            'uninstall[image]' => "image",
        ], 'Uninstall');
        $this->submitForm([], 'Uninstall');
        // Ensure that the translated configuration has been removed.
        $override = \Drupal::languageManager()->getLanguageConfigOverride('xx', 'image.style.medium');
        $this->assertTrue($override->isNew(), 'Translated configuration for image module removed.');
        // Translate default category using the UI so configuration is refreshed.
        $category_label = $this->randomMachineName(20);
        $search = [
            'string' => 'Website feedback',
            'langcode' => $this->langcode,
            'translation' => 'all',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        $edit = [
            $lid => $category_label,
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        // Check if this category displayed in this language will use the
        // translation. This test ensures the entity loaded from the request
        // upcasting will already work.
        $this->drupalGet($this->langcode . '/contact/feedback');
        $this->assertSession()
            ->pageTextContains($category_label);
        // Check if the UI does not show the translated String.
        $this->drupalGet('admin/structure/contact/manage/feedback');
        $this->assertSession()
            ->fieldValueEquals('edit-label', 'Website feedback');
    }
    
    /**
     * Tests translatability of optional configuration in locale.
     */
    public function testOptionalConfiguration() {
        $this->assertNodeConfig(FALSE, FALSE);
        // Enable the node module.
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[node][enable]' => "1",
        ], 'Install');
        $this->submitForm([], 'Continue');
        $this->rebuildContainer();
        $this->assertNodeConfig(TRUE, FALSE);
        // Enable the views module (which node provides some optional config for).
        $this->drupalGet('admin/modules');
        $this->submitForm([
            'modules[views][enable]' => "1",
        ], 'Install');
        $this->rebuildContainer();
        $this->assertNodeConfig(TRUE, TRUE);
    }
    
    /**
     * Check that node configuration source strings are made available in locale.
     *
     * @param bool $required
     *   Whether to assume a sample of the required default configuration is
     *   present.
     * @param bool $optional
     *   Whether to assume a sample of the optional default configuration is
     *   present.
     *
     * @internal
     */
    protected function assertNodeConfig(bool $required, bool $optional) : void {
        // Check the required default configuration in node module.
        $string = $this->storage
            ->findString([
            'source' => 'Make content sticky',
            'context' => '',
            'type' => 'configuration',
        ]);
        if ($required) {
            $this->assertFalse($this->config('system.action.node_make_sticky_action')
                ->isNew());
            $this->assertNotEmpty($string, 'Node action text can be found with node module.');
        }
        else {
            $this->assertTrue($this->config('system.action.node_make_sticky_action')
                ->isNew());
            $this->assertNull($string, 'Node action text can not be found without node module.');
        }
        // Check the optional default configuration in node module.
        $string = $this->storage
            ->findString([
            'source' => 'No front page content has been created yet.<br/>Follow the <a target="_blank" href="https://www.drupal.org/docs/user_guide/en/index.html">User Guide</a> to start building your site.',
            'context' => '',
            'type' => 'configuration',
        ]);
        if ($optional) {
            $this->assertFalse($this->config('views.view.frontpage')
                ->isNew());
            $this->assertNotEmpty($string, 'Node view text can be found with node and views modules.');
        }
        else {
            $this->assertTrue($this->config('views.view.frontpage')
                ->isNew());
            $this->assertNull($string, 'Node view text can not be found without node and/or views modules.');
        }
    }

}