--- /dev/null
+<?php
+
+namespace Drupal\Tests\language\Functional;
+
+use Drupal\language\Entity\ConfigurableLanguage;
+use Drupal\Core\Language\Language;
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Adds a new language and tests changing its status and the default language.
+ *
+ * @group language
+ */
+class LanguageListTest extends BrowserTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['language'];
+
+ /**
+ * Functional tests for adding, editing and deleting languages.
+ */
+ public function testLanguageList() {
+
+ // User to add and remove language.
+ $admin_user = $this->drupalCreateUser(['administer languages', 'access administration pages']);
+ $this->drupalLogin($admin_user);
+
+ // Get the weight of the last language.
+ $languages = \Drupal::service('language_manager')->getLanguages();
+ $last_language_weight = end($languages)->getWeight();
+
+ // Add predefined language.
+ $edit = [
+ 'predefined_langcode' => 'fr',
+ ];
+ $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add language'));
+ $this->assertText('French', 'Language added successfully.');
+ $this->assertUrl(\Drupal::url('entity.configurable_language.collection', [], ['absolute' => TRUE]));
+
+ // Get the weight of the last language and check that the weight is one unit
+ // heavier than the last configurable language.
+ $this->rebuildContainer();
+ $languages = \Drupal::service('language_manager')->getLanguages();
+ $last_language = end($languages);
+ $this->assertEqual($last_language->getWeight(), $last_language_weight + 1);
+ $this->assertEqual($last_language->getId(), $edit['predefined_langcode']);
+
+ // Add custom language.
+ $langcode = 'xx';
+ $name = $this->randomMachineName(16);
+ $edit = [
+ 'predefined_langcode' => 'custom',
+ 'langcode' => $langcode,
+ 'label' => $name,
+ 'direction' => Language::DIRECTION_LTR,
+ ];
+ $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add custom language'));
+ $this->assertUrl(\Drupal::url('entity.configurable_language.collection', [], ['absolute' => TRUE]));
+ $this->assertRaw('"edit-languages-' . $langcode . '-weight"', 'Language code found.');
+ $this->assertText(t($name), 'Test language added.');
+
+ $language = \Drupal::service('language_manager')->getLanguage($langcode);
+ $english = \Drupal::service('language_manager')->getLanguage('en');
+
+ // Check if we can change the default language.
+ $path = 'admin/config/regional/language';
+ $this->drupalGet($path);
+ $this->assertFieldChecked('edit-site-default-language-en', 'English is the default language.');
+ // Change the default language.
+ $edit = [
+ 'site_default_language' => $langcode,
+ ];
+ $this->drupalPostForm(NULL, $edit, t('Save configuration'));
+ $this->rebuildContainer();
+ $this->assertNoFieldChecked('edit-site-default-language-en', 'Default language updated.');
+ $this->assertUrl(\Drupal::url('entity.configurable_language.collection', [], ['absolute' => TRUE, 'language' => $language]));
+
+ // Ensure we can't delete the default language.
+ $this->drupalGet('admin/config/regional/language/delete/' . $langcode);
+ $this->assertResponse(403, 'Failed to delete the default language.');
+
+ // Ensure 'Edit' link works.
+ $this->drupalGet('admin/config/regional/language');
+ $this->clickLink(t('Edit'));
+ $this->assertTitle(t('Edit language | Drupal'), 'Page title is "Edit language".');
+ // Edit a language.
+ $name = $this->randomMachineName(16);
+ $edit = [
+ 'label' => $name,
+ ];
+ $this->drupalPostForm('admin/config/regional/language/edit/' . $langcode, $edit, t('Save language'));
+ $this->assertRaw($name, 'The language has been updated.');
+ $this->assertUrl(\Drupal::url('entity.configurable_language.collection', [], ['absolute' => TRUE, 'language' => $language]));
+
+ // Change back the default language.
+ $edit = [
+ 'site_default_language' => 'en',
+ ];
+ $this->drupalPostForm($path, $edit, t('Save configuration'));
+ $this->rebuildContainer();
+ // Ensure 'delete' link works.
+ $this->drupalGet('admin/config/regional/language');
+ $this->clickLink(t('Delete'));
+ $this->assertText(t('Are you sure you want to delete the language'), '"Delete" link is correct.');
+ // Delete a language.
+ $this->drupalGet('admin/config/regional/language/delete/' . $langcode);
+ // First test the 'cancel' link.
+ $this->clickLink(t('Cancel'));
+ $this->assertUrl(\Drupal::url('entity.configurable_language.collection', [], ['absolute' => TRUE, 'language' => $english]));
+ $this->assertRaw($name, 'The language was not deleted.');
+ // Delete the language for real. This a confirm form, we do not need any
+ // fields changed.
+ $this->drupalPostForm('admin/config/regional/language/delete/' . $langcode, [], t('Delete'));
+ // We need raw here because %language and %langcode will add HTML.
+ $t_args = ['%language' => $name, '%langcode' => $langcode];
+ $this->assertRaw(t('The %language (%langcode) language has been removed.', $t_args), 'The test language has been removed.');
+ $this->assertUrl(\Drupal::url('entity.configurable_language.collection', [], ['absolute' => TRUE, 'language' => $english]));
+ // Verify that language is no longer found.
+ $this->drupalGet('admin/config/regional/language/delete/' . $langcode);
+ $this->assertResponse(404, 'Language no longer found.');
+
+ // Delete French.
+ $this->drupalPostForm('admin/config/regional/language/delete/fr', [], t('Delete'));
+ // Make sure the "language_count" state has been updated correctly.
+ $this->rebuildContainer();
+ // We need raw here because %language and %langcode will add HTML.
+ $t_args = ['%language' => 'French', '%langcode' => 'fr'];
+ $this->assertRaw(t('The %language (%langcode) language has been removed.', $t_args), 'The French language has been removed.');
+ $this->assertUrl(\Drupal::url('entity.configurable_language.collection', [], ['absolute' => TRUE]));
+ // Verify that language is no longer found.
+ $this->drupalGet('admin/config/regional/language/delete/fr');
+ $this->assertResponse(404, 'Language no longer found.');
+ // Make sure the "language_count" state has not changed.
+
+ // Ensure we can delete the English language. Right now English is the only
+ // language so we must add a new language and make it the default before
+ // deleting English.
+ $langcode = 'xx';
+ $name = $this->randomMachineName(16);
+ $edit = [
+ 'predefined_langcode' => 'custom',
+ 'langcode' => $langcode,
+ 'label' => $name,
+ 'direction' => Language::DIRECTION_LTR,
+ ];
+ $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add custom language'));
+ $this->assertUrl(\Drupal::url('entity.configurable_language.collection', [], ['absolute' => TRUE]));
+ $this->assertText($name, 'Name found.');
+
+ // Check if we can change the default language.
+ $path = 'admin/config/regional/language';
+ $this->drupalGet($path);
+ $this->assertFieldChecked('edit-site-default-language-en', 'English is the default language.');
+ // Change the default language.
+ $edit = [
+ 'site_default_language' => $langcode,
+ ];
+ $this->drupalPostForm(NULL, $edit, t('Save configuration'));
+ $this->rebuildContainer();
+ $this->assertNoFieldChecked('edit-site-default-language-en', 'Default language updated.');
+ $this->assertUrl(\Drupal::url('entity.configurable_language.collection', [], ['absolute' => TRUE, 'language' => $language]));
+
+ $this->drupalPostForm('admin/config/regional/language/delete/en', [], t('Delete'));
+ // We need raw here because %language and %langcode will add HTML.
+ $t_args = ['%language' => 'English', '%langcode' => 'en'];
+ $this->assertRaw(t('The %language (%langcode) language has been removed.', $t_args), 'The English language has been removed.');
+ $this->rebuildContainer();
+
+ // Ensure we can't delete a locked language.
+ $this->drupalGet('admin/config/regional/language/delete/und');
+ $this->assertResponse(403, 'Can not delete locked language');
+
+ // Ensure that NL cannot be set default when it's not available.
+ // First create the NL language.
+ $edit = [
+ 'predefined_langcode' => 'nl',
+ ];
+ $this->drupalPostForm('admin/config/regional/language/add', $edit, 'Add language');
+
+ // Load the form which has now the additional NL language option.
+ $this->drupalGet('admin/config/regional/language');
+
+ // Delete the NL language in the background.
+ $language_storage = $this->container->get('entity_type.manager')->getStorage('configurable_language');
+ $language_storage->load('nl')->delete();
+
+ $this->drupalPostForm(NULL, ['site_default_language' => 'nl'], 'Save configuration');
+ $this->assertText(t('Selected default language no longer exists.'));
+ $this->assertNoFieldChecked('edit-site-default-language-xx', 'The previous default language got deselected.');
+ }
+
+ /**
+ * Functional tests for the language states (locked or configurable).
+ */
+ public function testLanguageStates() {
+ // Add some languages, and also lock some of them.
+ ConfigurableLanguage::create(['label' => $this->randomMachineName(), 'id' => 'l1'])->save();
+ ConfigurableLanguage::create(['label' => $this->randomMachineName(), 'id' => 'l2', 'locked' => TRUE])->save();
+ ConfigurableLanguage::create(['label' => $this->randomMachineName(), 'id' => 'l3'])->save();
+ ConfigurableLanguage::create(['label' => $this->randomMachineName(), 'id' => 'l4', 'locked' => TRUE])->save();
+ $expected_locked_languages = ['l4' => 'l4', 'l2' => 'l2', 'und' => 'und', 'zxx' => 'zxx'];
+ $expected_all_languages = ['l4' => 'l4', 'l3' => 'l3', 'l2' => 'l2', 'l1' => 'l1', 'en' => 'en', 'und' => 'und', 'zxx' => 'zxx'];
+ $expected_conf_languages = ['l3' => 'l3', 'l1' => 'l1', 'en' => 'en'];
+
+ $locked_languages = $this->container->get('language_manager')->getLanguages(LanguageInterface::STATE_LOCKED);
+ $this->assertEqual(array_diff_key($expected_locked_languages, $locked_languages), [], 'Locked languages loaded correctly.');
+
+ $all_languages = $this->container->get('language_manager')->getLanguages(LanguageInterface::STATE_ALL);
+ $this->assertEqual(array_diff_key($expected_all_languages, $all_languages), [], 'All languages loaded correctly.');
+
+ $conf_languages = $this->container->get('language_manager')->getLanguages();
+ $this->assertEqual(array_diff_key($expected_conf_languages, $conf_languages), [], 'Configurable languages loaded correctly.');
+ }
+
+}