diff core/modules/language/tests/src/Functional/LanguageBrowserDetectionAcceptLanguageTest.php @ 5:12f9dff5fda9 tip

Update to Drupal core 8.7.1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/language/tests/src/Functional/LanguageBrowserDetectionAcceptLanguageTest.php	Thu May 09 15:34:47 2019 +0100
@@ -0,0 +1,114 @@
+<?php
+
+namespace Drupal\Tests\language\Functional;
+
+use Drupal\Tests\BrowserTestBase;
+use Drupal\language\Entity\ConfigurableLanguage;
+
+/**
+ * Tests browser language detection with different accept-language headers.
+ *
+ * @group language
+ */
+class LanguageBrowserDetectionAcceptLanguageTest extends BrowserTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['language', 'locale', 'content_translation', 'system_test'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+    // User to manage languages.
+    $admin = $this->drupalCreateUser([], NULL, TRUE);
+    $this->drupalLogin($admin);
+
+    // Create FR.
+    ConfigurableLanguage::createFromLangcode('fr')->save();
+    // Set language detection to url and browser detection.
+    $this->drupalPostForm('/admin/config/regional/language/detection', [
+      'language_interface[enabled][language-url]' => TRUE,
+      'language_interface[enabled][language-browser]' => TRUE,
+      'language_interface[enabled][language-selected]' => TRUE,
+    ], 'Save settings');
+
+    // Set prefixes to en and fr.
+    $this->drupalPostForm('/admin/config/regional/language/detection/url', [
+      'prefix[en]' => 'en',
+      'prefix[fr]' => 'fr',
+    ], 'Save configuration');
+    // Add language codes to browser detection.
+    $this->drupalPostForm('/admin/config/regional/language/detection/browser', [
+      'new_mapping[browser_langcode]' => 'fr',
+      'new_mapping[drupal_langcode]' => 'fr',
+    ], 'Save configuration');
+    $this->drupalPostForm('/admin/config/regional/language/detection/browser', [
+      'new_mapping[browser_langcode]' => 'en',
+      'new_mapping[drupal_langcode]' => 'en',
+    ], 'Save configuration');
+    $this->drupalPostForm('/admin/config/regional/language/detection/selected', [
+      'edit-selected-langcode' => 'en',
+    ], 'Save configuration');
+
+    $this->drupalLogout();
+  }
+
+  /**
+   * Tests with browsers with and without Accept-Language header.
+   */
+  public function testAcceptLanguageEmptyDefault() {
+
+    // Check correct headers.
+    $this->drupalGet('/en/system-test/echo/language test', [], ['Accept-Language' => 'en']);
+    $this->assertSession()->responseHeaderEquals('Content-Language', 'en');
+    $this->assertSession()->responseHeaderEquals('X-Drupal-Cache', 'MISS');
+
+    $this->drupalGet('/fr/system-test/echo/language test', [], ['Accept-Language' => 'en']);
+    $this->assertSession()->responseHeaderEquals('Content-Language', 'fr');
+    $this->assertSession()->responseHeaderEquals('X-Drupal-Cache', 'MISS');
+
+    $this->drupalGet('/system-test/echo/language test', [], ['Accept-Language' => 'en']);
+    $this->assertSession()->responseHeaderEquals('Content-Language', 'en');
+    $this->assertFalse($this->drupalGetHeader('X-Drupal-Cache'));
+
+    // Check with UK browser.
+    $this->drupalGet('/system-test/echo/language test', [], ['Accept-Language' => 'en-UK,en']);
+    $this->assertSession()->responseHeaderEquals('Content-Language', 'en');
+    $this->assertFalse($this->drupalGetHeader('X-Drupal-Cache'));
+
+    // Check with french browser.
+    $this->drupalGet('/system-test/echo/language test', [], ['Accept-Language' => 'fr-FR,fr']);
+    $this->assertSession()->responseHeaderEquals('Content-Language', 'fr');
+    $this->assertFalse($this->drupalGetHeader('X-Drupal-Cache'));
+
+    // Check with browser without language settings - should return fallback language.
+    $this->drupalGet('/system-test/echo/language test', [], ['Accept-Language' => NULL]);
+    $this->assertSession()->responseHeaderEquals('Content-Language', 'en');
+    $this->assertFalse($this->drupalGetHeader('X-Drupal-Cache'));
+
+    // Check with french browser again.
+    $this->drupalGet('/system-test/echo/language test', [], ['Accept-Language' => 'fr-FR,fr']);
+    $this->assertSession()->responseHeaderEquals('Content-Language', 'fr');
+    $this->assertFalse($this->drupalGetHeader('X-Drupal-Cache'));
+
+    // Check with UK browser.
+    $this->drupalGet('/system-test/echo/language test', [], ['Accept-Language' => 'en-UK,en']);
+    $this->assertSession()->responseHeaderEquals('Content-Language', 'en');
+    $this->assertFalse($this->drupalGetHeader('X-Drupal-Cache'));
+
+    // Check if prefixed URLs are still cached.
+    $this->drupalGet('/en/system-test/echo/language test', [], ['Accept-Language' => 'en']);
+    $this->assertSession()->responseHeaderEquals('Content-Language', 'en');
+    $this->assertSession()->responseHeaderEquals('X-Drupal-Cache', 'HIT');
+
+    $this->drupalGet('/fr/system-test/echo/language test', [], ['Accept-Language' => 'en']);
+    $this->assertSession()->responseHeaderEquals('Content-Language', 'fr');
+    $this->assertSession()->responseHeaderEquals('X-Drupal-Cache', 'HIT');
+  }
+
+}