class LocaleTranslationUiTest

class LocaleTranslationUiTest extends BrowserTestBase {
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'locale',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Enable interface translation to English.
     */
    public function testEnglishTranslation() : void {
        $admin_user = $this->drupalCreateUser([
            'administer languages',
            'access administration pages',
        ]);
        $this->drupalLogin($admin_user);
        $this->drupalGet('admin/config/regional/language/edit/en');
        $this->submitForm([
            'locale_translate_english' => TRUE,
        ], 'Save language');
        $this->assertSession()
            ->linkByHrefExists('/admin/config/regional/translate?langcode=en', 0, 'Enabled interface translation to English.');
    }
    
    /**
     * Adds a language and tests string translation by users with the appropriate permissions.
     */
    public function testStringTranslation() : void {
        // User to add and remove language.
        $admin_user = $this->drupalCreateUser([
            'administer languages',
            'access administration pages',
        ]);
        // User to translate and delete string.
        $translate_user = $this->drupalCreateUser([
            'translate interface',
            'access administration pages',
        ]);
        // Code for the language.
        $langcode = 'xx';
        // The English name for the language. This will be translated.
        $name = 'Foo';
        // This will be the translation of $name.
        $translation = $this->randomMachineName(16);
        $translation_to_en = $this->randomMachineName(16);
        // Add custom language.
        $this->drupalLogin($admin_user);
        $edit = [
            'predefined_langcode' => 'custom',
            'langcode' => $langcode,
            'label' => $name,
            'direction' => LanguageInterface::DIRECTION_LTR,
        ];
        $this->drupalGet('admin/config/regional/language/add');
        $this->submitForm($edit, 'Add custom language');
        // Add string.
        t($name, [], [
            'langcode' => $langcode,
        ])->render();
        // Reset locale cache.
        $this->container
            ->get('string_translation')
            ->reset();
        $this->assertSession()
            ->responseContains('"edit-languages-' . $langcode . '-weight"');
        // Ensure that test language was added.
        $this->assertSession()
            ->pageTextContains($name);
        $this->drupalLogout();
        // Add a whitespace at the end of string to ensure it is found.
        $name_ws = $name . " ";
        // Search for the name and translate it.
        $this->drupalLogin($translate_user);
        $search = [
            'string' => $name_ws,
            'langcode' => $langcode,
            'translation' => 'untranslated',
        ];
        // Check that search finds the string as untranslated.
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains($name);
        // No t() here, it's surely not translated yet.
        $this->assertSession()
            ->pageTextContains($name);
        // Verify that there is no way to translate the string to English.
        $this->assertSession()
            ->optionNotExists('edit-langcode', 'en');
        $this->drupalLogout();
        $this->drupalLogin($admin_user);
        $this->drupalGet('admin/config/regional/language/edit/en');
        $this->submitForm([
            'locale_translate_english' => TRUE,
        ], 'Save language');
        $this->drupalLogout();
        $this->drupalLogin($translate_user);
        // Check that search finds the string as untranslated.
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains($name);
        // Assume this is the only result, given the random name.
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        $edit = [
            $lid => $translation,
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        $this->assertSession()
            ->pageTextContains('The strings have been saved.');
        $url_bits = explode('?', $this->getUrl());
        $this->assertEquals(Url::fromRoute('locale.translate_page', [], [
            'absolute' => TRUE,
        ])->toString(), $url_bits[0], 'Correct page redirection.');
        $search = [
            'string' => $name,
            'langcode' => $langcode,
            'translation' => 'translated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains($translation);
        $search = [
            'string' => $name,
            'langcode' => 'en',
            'translation' => 'untranslated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        $edit = [
            $lid => $translation_to_en,
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        $search = [
            'string' => $name,
            'langcode' => 'en',
            'translation' => 'translated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains($translation_to_en);
        $this->assertNotEquals($translation, $name);
        $this->assertEquals($translation, t($name, [], [
            'langcode' => $langcode,
        ]), 't() works for non-English.');
        // Refresh the locale() cache to get fresh data from t() below. We are in
        // the same HTTP request and therefore t() is not refreshed by saving the
        // translation above.
        $this->container
            ->get('string_translation')
            ->reset();
        // Now we should get the proper fresh translation from t().
        $this->assertNotEquals($translation_to_en, $name);
        $this->assertEquals($translation_to_en, t($name, [], [
            'langcode' => 'en',
        ]), 't() works for English.');
        $this->assertTrue(t($name, [], [
            'langcode' => LanguageInterface::LANGCODE_SYSTEM,
        ]) == $name, 't() works for LanguageInterface::LANGCODE_SYSTEM.');
        $search = [
            'string' => $name,
            'langcode' => 'en',
            'translation' => 'untranslated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains('No strings available.');
        // Test invalidation of 'rendered' cache tag after string translation.
        $this->drupalLogout();
        $this->drupalGet('xx/user/login');
        $this->assertSession()
            ->pageTextContains('Password');
        $this->drupalLogin($translate_user);
        $search = [
            'string' => 'Password',
            'langcode' => $langcode,
            'translation' => 'untranslated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        $edit = [
            $lid => 'Llamas are larger than frogs.',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        $this->drupalLogout();
        $this->drupalGet('xx/user/login');
        $this->assertSession()
            ->pageTextContains('Llamas are larger than frogs.');
        // Delete the language.
        $this->drupalLogin($admin_user);
        $path = 'admin/config/regional/language/delete/' . $langcode;
        // This a confirm form, we do not need any fields changed.
        $this->drupalGet($path);
        $this->submitForm([], 'Delete');
        $this->assertSession()
            ->pageTextContains("The {$name} ({$langcode}) language has been removed.");
        // Reload to remove $name.
        $this->drupalGet($path);
        // Verify that language is no longer found.
        $this->assertSession()
            ->statusCodeEquals(404);
        $this->drupalLogout();
        // Delete the string.
        $this->drupalLogin($translate_user);
        $search = [
            'string' => $name,
            'langcode' => 'en',
            'translation' => 'translated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        // Assume this is the only result, given the random name.
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        $edit = [
            $lid => '',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        $this->assertSession()
            ->responseContains($name);
        $this->drupalLogin($translate_user);
        $search = [
            'string' => $name,
            'langcode' => 'en',
            'translation' => 'untranslated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextNotContains('No strings available.');
    }
    
    /**
     * Tests the rebuilding of JavaScript translation files on deletion.
     */
    public function testJavaScriptTranslation() : void {
        $user = $this->drupalCreateUser([
            'translate interface',
            'administer languages',
            'access administration pages',
        ]);
        $this->drupalLogin($user);
        $config = $this->config('locale.settings');
        $langcode = 'xx';
        // The English name for the language. This will be translated.
        $name = $this->randomMachineName(16);
        // Add custom language.
        $edit = [
            'predefined_langcode' => 'custom',
            'langcode' => $langcode,
            'label' => $name,
            'direction' => LanguageInterface::DIRECTION_LTR,
        ];
        $this->drupalGet('admin/config/regional/language/add');
        $this->submitForm($edit, 'Add custom language');
        $this->container
            ->get('language_manager')
            ->reset();
        // Build the JavaScript translation file.
        // Retrieve the source string of the first string available in the
        // {locales_source} table and translate it.
        $query = Database::getConnection()->select('locales_source', 's');
        $query->addJoin('INNER', 'locales_location', 'l', '[s].[lid] = [l].[lid]');
        $source = $query->fields('s', [
            'source',
        ])
            ->condition('l.type', 'javascript')
            ->range(0, 1)
            ->execute()
            ->fetchField();
        $search = [
            'string' => $source,
            'langcode' => $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 => $this->randomMachineName(),
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        // Trigger JavaScript translation parsing and building.
        _locale_rebuild_js($langcode);
        $locale_javascripts = \Drupal::state()->get('locale.translation.javascript', []);
        $js_file = 'public://' . $config->get('javascript.directory') . '/' . $langcode . '_' . $locale_javascripts[$langcode] . '.js';
        $this->assertFileExists($js_file);
        // Test JavaScript translation rebuilding.
        \Drupal::service('file_system')->delete($js_file);
        $this->assertFileDoesNotExist($js_file);
        _locale_rebuild_js($langcode);
        $this->assertFileExists($js_file);
        // Test if JavaScript translation contains a custom string override.
        $string_override = $this->randomMachineName();
        $settings = Settings::getAll();
        $settings['locale_custom_strings_' . $langcode] = [
            '' => [
                $string_override => $string_override,
            ],
        ];
        // Recreate the settings static.
        new Settings($settings);
        _locale_rebuild_js($langcode);
        $locale_javascripts = \Drupal::state()->get('locale.translation.javascript', []);
        $js_file = 'public://' . $config->get('javascript.directory') . '/' . $langcode . '_' . $locale_javascripts[$langcode] . '.js';
        $content = file_get_contents($js_file);
        $this->assertStringContainsString('"' . $string_override . '":"' . $string_override . '"', $content);
    }
    
    /**
     * Tests the validation of the translation input.
     */
    public function testStringValidation() : void {
        // User to add language and strings.
        $admin_user = $this->drupalCreateUser([
            'administer languages',
            'access administration pages',
            'translate interface',
        ]);
        $this->drupalLogin($admin_user);
        $langcode = 'xx';
        // The English name for the language. This will be translated.
        $name = $this->randomMachineName(16);
        // These will be the invalid translations of $name.
        $key = $this->randomMachineName(16);
        $bad_translations[$key] = "<script>alert('xss');</script>" . $key;
        $key = $this->randomMachineName(16);
        $bad_translations[$key] = '<img SRC="javascript:alert(\'xss\');">' . $key;
        $key = $this->randomMachineName(16);
        $bad_translations[$key] = '<<SCRIPT>alert("xss");//<</SCRIPT>' . $key;
        $key = $this->randomMachineName(16);
        $bad_translations[$key] = "<BODY ONLOAD=alert('xss')>" . $key;
        // Add custom language.
        $edit = [
            'predefined_langcode' => 'custom',
            'langcode' => $langcode,
            'label' => $name,
            'direction' => LanguageInterface::DIRECTION_LTR,
        ];
        $this->drupalGet('admin/config/regional/language/add');
        $this->submitForm($edit, 'Add custom language');
        // Add string.
        t($name, [], [
            'langcode' => $langcode,
        ])->render();
        // Reset locale cache.
        $search = [
            'string' => $name,
            'langcode' => $langcode,
            'translation' => 'all',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        // Find the edit path.
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        foreach ($bad_translations as $translation) {
            $edit = [
                $lid => $translation,
            ];
            $this->drupalGet('admin/config/regional/translate');
            $this->submitForm($edit, 'Save translations');
            // Check for a form error on the textarea, which means the string was
            // rejected as unsafe.
            $this->assertSession()
                ->elementAttributeContains('xpath', '//form[@id="locale-translate-edit-form"]//textarea', 'class', 'error');
            $this->assertSession()
                ->pageTextNotContains('The string has been saved.');
        }
    }
    
    /**
     * Tests translation search form.
     */
    public function testStringSearch() : void {
        // User to add and remove language.
        $admin_user = $this->drupalCreateUser([
            'administer languages',
            'access administration pages',
        ]);
        // User to translate and delete string.
        $translate_user = $this->drupalCreateUser([
            'translate interface',
            'access administration pages',
        ]);
        // Code for the language.
        $langcode = 'xx';
        // The English name for the language. This will be translated.
        $name = $this->randomMachineName(16);
        // This will be the translation of $name.
        $translation = $this->randomMachineName(16);
        // Add custom language.
        $this->drupalLogin($admin_user);
        $edit = [
            'predefined_langcode' => 'custom',
            'langcode' => $langcode,
            'label' => $name,
            'direction' => LanguageInterface::DIRECTION_LTR,
        ];
        $this->drupalGet('admin/config/regional/language/add');
        $this->submitForm($edit, 'Add custom language');
        $edit = [
            'predefined_langcode' => 'custom',
            'langcode' => 'yy',
            'label' => $this->randomMachineName(16),
            'direction' => LanguageInterface::DIRECTION_LTR,
        ];
        $this->drupalGet('admin/config/regional/language/add');
        $this->submitForm($edit, 'Add custom language');
        // Add string.
        t($name, [], [
            'langcode' => $langcode,
        ])->render();
        // Reset locale cache.
        $this->container
            ->get('string_translation')
            ->reset();
        $this->drupalLogout();
        // Search for the name.
        $this->drupalLogin($translate_user);
        $search = [
            'string' => $name,
            'langcode' => $langcode,
            'translation' => 'all',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        // pageTextContains() seems to remove the input field where $name always
        // could be found, so this is not a false assert. See how
        // pageTextNotContains succeeds later.
        $this->assertSession()
            ->pageTextContains($name);
        // Ensure untranslated string doesn't appear if searching on 'only
        // translated strings'.
        $search = [
            'string' => $name,
            'langcode' => $langcode,
            'translation' => 'translated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains('No strings available.');
        // Ensure untranslated string appears if searching on 'only untranslated
        // strings'.
        $search = [
            'string' => $name,
            'langcode' => $langcode,
            'translation' => 'untranslated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextNotContains('No strings available.');
        // Add translation.
        // Assume this is the only result, given the random name.
        // We save the lid from the path.
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        $edit = [
            $lid => $translation,
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        // Ensure translated string does appear if searching on 'only
        // translated strings'.
        $search = [
            'string' => $translation,
            'langcode' => $langcode,
            'translation' => 'translated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextNotContains('No strings available.');
        // Ensure translated source string doesn't appear if searching on 'only
        // untranslated strings'.
        $search = [
            'string' => $name,
            'langcode' => $langcode,
            'translation' => 'untranslated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains('No strings available.');
        // Ensure translated string doesn't appear if searching on 'only
        // untranslated strings'.
        $search = [
            'string' => $translation,
            'langcode' => $langcode,
            'translation' => 'untranslated',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains('No strings available.');
        // Ensure translated string does appear if searching on the custom language.
        $search = [
            'string' => $translation,
            'langcode' => $langcode,
            'translation' => 'all',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextNotContains('No strings available.');
        // Ensure translated string doesn't appear if searching in System (English).
        $search = [
            'string' => $translation,
            'langcode' => 'yy',
            'translation' => 'all',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains('No strings available.');
        // Search for a string that isn't in the system.
        $unavailable_string = $this->randomMachineName(16);
        $search = [
            'string' => $unavailable_string,
            'langcode' => $langcode,
            'translation' => 'all',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains('No strings available.');
    }
    
    /**
     * Tests that only changed strings are saved customized when edited.
     */
    public function testUICustomizedStrings() : void {
        $user = $this->drupalCreateUser([
            'translate interface',
            'administer languages',
            'access administration pages',
        ]);
        $this->drupalLogin($user);
        ConfigurableLanguage::createFromLangcode('de')->save();
        // Create test source string.
        $string = $this->container
            ->get('locale.storage')
            ->createString([
            'source' => $this->randomMachineName(100),
            'context' => $this->randomMachineName(20),
        ])
            ->save();
        // Create translation for new string and save it as non-customized.
        $translation = $this->container
            ->get('locale.storage')
            ->createTranslation([
            'lid' => $string->lid,
            'language' => 'de',
            'translation' => $this->randomMachineName(100),
            'customized' => 0,
        ])
            ->save();
        // Reset locale cache.
        $this->container
            ->get('string_translation')
            ->reset();
        // Ensure non-customized translation string does appear if searching
        // non-customized translation.
        $search = [
            'string' => $string->getString(),
            'langcode' => 'de',
            'translation' => 'translated',
            'customized' => '0',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains($translation->getString());
        // Submit the translations without changing the translation.
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        $edit = [
            $lid => $translation->getString(),
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        // Ensure unchanged translation string does appear if searching
        // non-customized translation.
        $search = [
            'string' => $string->getString(),
            'langcode' => 'de',
            'translation' => 'translated',
            'customized' => '0',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains($string->getString());
        // Submit the translations with a new translation.
        $textarea = $this->assertSession()
            ->elementExists('xpath', '//textarea');
        $lid = $textarea->getAttribute('name');
        $edit = [
            $lid => $this->randomMachineName(100),
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($edit, 'Save translations');
        // Ensure changed translation string does appear if searching customized
        // translation.
        $search = [
            'string' => $string->getString(),
            'langcode' => 'de',
            'translation' => 'translated',
            'customized' => '1',
        ];
        $this->drupalGet('admin/config/regional/translate');
        $this->submitForm($search, 'Filter');
        $this->assertSession()
            ->pageTextContains($string->getString());
    }

}