--- /dev/null
+<?php
+
+namespace Drupal\Tests\locale\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\node\NodeInterface;
+
+/**
+ * Tests you can enable multilingual support on content types and configure a
+ * language for a node.
+ *
+ * @group locale
+ */
+class LocaleContentTest extends BrowserTestBase {
+
+ /**
+ * Modules to enable.
+ *
+ * @var array
+ */
+ public static $modules = ['node', 'locale'];
+
+ /**
+ * Verifies that machine name fields are always LTR.
+ */
+ public function testMachineNameLTR() {
+ // User to add and remove language.
+ $admin_user = $this->drupalCreateUser(['administer languages', 'administer content types', 'access administration pages', 'administer site configuration']);
+
+ // Log in as admin.
+ $this->drupalLogin($admin_user);
+
+ // Verify that the machine name field is LTR for a new content type.
+ $this->drupalGet('admin/structure/types/add');
+ $this->assertFieldByXpath('//input[@name="type" and @dir="ltr"]', NULL, 'The machine name field is LTR when no additional language is configured.');
+
+ // Install the Arabic language (which is RTL) and configure as the default.
+ $edit = [];
+ $edit['predefined_langcode'] = 'ar';
+ $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add language'));
+
+ $edit = [
+ 'site_default_language' => 'ar',
+ ];
+ $this->drupalPostForm('admin/config/regional/language', $edit, t('Save configuration'));
+
+ // Verify that the machine name field is still LTR for a new content type.
+ $this->drupalGet('admin/structure/types/add');
+ $this->assertFieldByXpath('//input[@name="type" and @dir="ltr"]', NULL, 'The machine name field is LTR when the default language is RTL.');
+ }
+
+ /**
+ * Test if a content type can be set to multilingual and language is present.
+ */
+ public function testContentTypeLanguageConfiguration() {
+ $type1 = $this->drupalCreateContentType();
+ $type2 = $this->drupalCreateContentType();
+
+ // User to add and remove language.
+ $admin_user = $this->drupalCreateUser(['administer languages', 'administer content types', 'access administration pages']);
+ // User to create a node.
+ $web_user = $this->drupalCreateUser(["create {$type1->id()} content", "create {$type2->id()} content", "edit any {$type2->id()} content"]);
+
+ // Add custom language.
+ $this->drupalLogin($admin_user);
+ // Code for the language.
+ $langcode = 'xx';
+ // The English name for the language.
+ $name = $this->randomMachineName(16);
+ $edit = [
+ 'predefined_langcode' => 'custom',
+ 'langcode' => $langcode,
+ 'label' => $name,
+ 'direction' => LanguageInterface::DIRECTION_LTR,
+ ];
+ $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add custom language'));
+
+ // Set the content type to use multilingual support.
+ $this->drupalGet("admin/structure/types/manage/{$type2->id()}");
+ $this->assertText(t('Language settings'), 'Multilingual support widget present on content type configuration form.');
+ $edit = [
+ 'language_configuration[language_alterable]' => TRUE,
+ ];
+ $this->drupalPostForm("admin/structure/types/manage/{$type2->id()}", $edit, t('Save content type'));
+ $this->assertRaw(t('The content type %type has been updated.', ['%type' => $type2->label()]));
+ $this->drupalLogout();
+ \Drupal::languageManager()->reset();
+
+ // Verify language selection is not present on the node add form.
+ $this->drupalLogin($web_user);
+ $this->drupalGet("node/add/{$type1->id()}");
+ // Verify language select list is not present.
+ $this->assertNoFieldByName('langcode[0][value]', NULL, 'Language select not present on the node add form.');
+
+ // Verify language selection appears on the node add form.
+ $this->drupalGet("node/add/{$type2->id()}");
+ // Verify language select list is present.
+ $this->assertFieldByName('langcode[0][value]', NULL, 'Language select present on the node add form.');
+ // Ensure language appears.
+ $this->assertText($name, 'Language present.');
+
+ // Create a node.
+ $node_title = $this->randomMachineName();
+ $node_body = $this->randomMachineName();
+ $edit = [
+ 'type' => $type2->id(),
+ 'title' => $node_title,
+ 'body' => [['value' => $node_body]],
+ 'langcode' => $langcode,
+ ];
+ $node = $this->drupalCreateNode($edit);
+ // Edit the content and ensure correct language is selected.
+ $path = 'node/' . $node->id() . '/edit';
+ $this->drupalGet($path);
+ $this->assertRaw('<option value="' . $langcode . '" selected="selected">' . $name . '</option>', 'Correct language selected.');
+ // Ensure we can change the node language.
+ $edit = [
+ 'langcode[0][value]' => 'en',
+ ];
+ $this->drupalPostForm($path, $edit, t('Save'));
+ $this->assertText(t('@title has been updated.', ['@title' => $node_title]));
+
+ // Verify that the creation message contains a link to a node.
+ $view_link = $this->xpath('//div[@class="messages"]//a[contains(@href, :href)]', [':href' => 'node/' . $node->id()]);
+ $this->assert(isset($view_link), 'The message area contains the link to the edited node');
+
+ $this->drupalLogout();
+ }
+
+ /**
+ * Test if a dir and lang tags exist in node's attributes.
+ */
+ public function testContentTypeDirLang() {
+ $type = $this->drupalCreateContentType();
+
+ // User to add and remove language.
+ $admin_user = $this->drupalCreateUser(['administer languages', 'administer content types', 'access administration pages']);
+ // User to create a node.
+ $web_user = $this->drupalCreateUser(["create {$type->id()} content", "edit own {$type->id()} content"]);
+
+ // Log in as admin.
+ $this->drupalLogin($admin_user);
+
+ // Install Arabic language.
+ $edit = [];
+ $edit['predefined_langcode'] = 'ar';
+ $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add language'));
+
+ // Install Spanish language.
+ $edit = [];
+ $edit['predefined_langcode'] = 'es';
+ $this->drupalPostForm('admin/config/regional/language/add', $edit, t('Add language'));
+ \Drupal::languageManager()->reset();
+
+ // Set the content type to use multilingual support.
+ $this->drupalGet("admin/structure/types/manage/{$type->id()}");
+ $edit = [
+ 'language_configuration[language_alterable]' => TRUE,
+ ];
+ $this->drupalPostForm("admin/structure/types/manage/{$type->id()}", $edit, t('Save content type'));
+ $this->assertRaw(t('The content type %type has been updated.', ['%type' => $type->label()]));
+ $this->drupalLogout();
+
+ // Log in as web user to add new node.
+ $this->drupalLogin($web_user);
+
+ // Create three nodes: English, Arabic and Spanish.
+ $nodes = [];
+ foreach (['en', 'es', 'ar'] as $langcode) {
+ $nodes[$langcode] = $this->drupalCreateNode([
+ 'langcode' => $langcode,
+ 'type' => $type->id(),
+ 'promote' => NodeInterface::PROMOTED,
+ ]);
+ }
+
+ // Check if English node does not have lang tag.
+ $this->drupalGet('node/' . $nodes['en']->id());
+ $element = $this->cssSelect('article.node[lang="en"]');
+ $this->assertTrue(empty($element), 'The lang tag has not been assigned to the English node.');
+
+ // Check if English node does not have dir tag.
+ $element = $this->cssSelect('article.node[dir="ltr"]');
+ $this->assertTrue(empty($element), 'The dir tag has not been assigned to the English node.');
+
+ // Check if Arabic node has lang="ar" & dir="rtl" tags.
+ $this->drupalGet('node/' . $nodes['ar']->id());
+ $element = $this->cssSelect('article.node[lang="ar"][dir="rtl"]');
+ $this->assertTrue(!empty($element), 'The lang and dir tags have been assigned correctly to the Arabic node.');
+
+ // Check if Spanish node has lang="es" tag.
+ $this->drupalGet('node/' . $nodes['es']->id());
+ $element = $this->cssSelect('article.node[lang="es"]');
+ $this->assertTrue(!empty($element), 'The lang tag has been assigned correctly to the Spanish node.');
+
+ // Check if Spanish node does not have dir="ltr" tag.
+ $element = $this->cssSelect('article.node[lang="es"][dir="ltr"]');
+ $this->assertTrue(empty($element), 'The dir tag has not been assigned to the Spanish node.');
+ }
+
+}