diff core/modules/language/tests/src/Functional/LanguageNegotiationInfoTest.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/language/tests/src/Functional/LanguageNegotiationInfoTest.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,209 @@
+<?php
+
+namespace Drupal\Tests\language\Functional;
+
+use Drupal\Core\Language\LanguageInterface;
+use Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationUI;
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Tests alterations to language types/negotiation info.
+ *
+ * @group language
+ */
+class LanguageNegotiationInfoTest extends BrowserTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['language', 'content_translation'];
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function setUp() {
+    parent::setUp();
+    $admin_user = $this->drupalCreateUser(['administer languages', 'access administration pages', 'view the administration theme', 'administer modules']);
+    $this->drupalLogin($admin_user);
+    $this->drupalPostForm('admin/config/regional/language/add', ['predefined_langcode' => 'it'], t('Add language'));
+  }
+
+  /**
+   * Returns the configurable language manager.
+   *
+   * @return \Drupal\language\ConfigurableLanguageManager
+   */
+  protected function languageManager() {
+    return $this->container->get('language_manager');
+  }
+
+  /**
+   * Sets state flags for language_test module.
+   *
+   * Ensures to correctly update data both in the child site and the test runner
+   * environment.
+   *
+   * @param array $values
+   *   The key/value pairs to set in state.
+   */
+  protected function stateSet(array $values) {
+    // Set the new state values.
+    $this->container->get('state')->setMultiple($values);
+    // Refresh in-memory static state/config caches and static variables.
+    $this->refreshVariables();
+    // Refresh/rewrite language negotiation configuration, in order to pick up
+    // the manipulations performed by language_test module's info alter hooks.
+    $this->container->get('language_negotiator')->purgeConfiguration();
+  }
+
+  /**
+   * Tests alterations to language types/negotiation info.
+   */
+  public function testInfoAlterations() {
+    $this->stateSet([
+      // Enable language_test type info.
+      'language_test.language_types' => TRUE,
+      // Enable language_test negotiation info (not altered yet).
+      'language_test.language_negotiation_info' => TRUE,
+      // Alter LanguageInterface::TYPE_CONTENT to be configurable.
+      'language_test.content_language_type' => TRUE,
+    ]);
+    $this->container->get('module_installer')->install(['language_test']);
+    $this->resetAll();
+
+    // Check that fixed language types are properly configured without the need
+    // of saving the language negotiation settings.
+    $this->checkFixedLanguageTypes();
+
+    $type = LanguageInterface::TYPE_CONTENT;
+    $language_types = $this->languageManager()->getLanguageTypes();
+    $this->assertTrue(in_array($type, $language_types), 'Content language type is configurable.');
+
+    // Enable some core and custom language negotiation methods. The test
+    // language type is supposed to be configurable.
+    $test_type = 'test_language_type';
+    $interface_method_id = LanguageNegotiationUI::METHOD_ID;
+    $test_method_id = 'test_language_negotiation_method';
+    $form_field = $type . '[enabled][' . $interface_method_id . ']';
+    $edit = [
+      $form_field => TRUE,
+      $type . '[enabled][' . $test_method_id . ']' => TRUE,
+      $test_type . '[enabled][' . $test_method_id . ']' => TRUE,
+      $test_type . '[configurable]' => TRUE,
+    ];
+    $this->drupalPostForm('admin/config/regional/language/detection', $edit, t('Save settings'));
+
+    // Alter language negotiation info to remove interface language negotiation
+    // method.
+    $this->stateSet([
+      'language_test.language_negotiation_info_alter' => TRUE,
+    ]);
+
+    $negotiation = $this->config('language.types')->get('negotiation.' . $type . '.enabled');
+    $this->assertFalse(isset($negotiation[$interface_method_id]), 'Interface language negotiation method removed from the stored settings.');
+
+    $this->drupalGet('admin/config/regional/language/detection');
+    $this->assertNoFieldByName($form_field, NULL, 'Interface language negotiation method unavailable.');
+
+    // Check that type-specific language negotiation methods can be assigned
+    // only to the corresponding language types.
+    foreach ($this->languageManager()->getLanguageTypes() as $type) {
+      $form_field = $type . '[enabled][test_language_negotiation_method_ts]';
+      if ($type == $test_type) {
+        $this->assertFieldByName($form_field, NULL, format_string('Type-specific test language negotiation method available for %type.', ['%type' => $type]));
+      }
+      else {
+        $this->assertNoFieldByName($form_field, NULL, format_string('Type-specific test language negotiation method unavailable for %type.', ['%type' => $type]));
+      }
+    }
+
+    // Check language negotiation results.
+    $this->drupalGet('');
+    $last = $this->container->get('state')->get('language_test.language_negotiation_last');
+    foreach ($this->languageManager()->getDefinedLanguageTypes() as $type) {
+      $langcode = $last[$type];
+      $value = $type == LanguageInterface::TYPE_CONTENT || strpos($type, 'test') !== FALSE ? 'it' : 'en';
+      $this->assertEqual($langcode, $value, format_string('The negotiated language for %type is %language', ['%type' => $type, '%language' => $value]));
+    }
+
+    // Uninstall language_test and check that everything is set back to the
+    // original status.
+    $this->container->get('module_installer')->uninstall(['language_test']);
+    $this->rebuildContainer();
+
+    // Check that only the core language types are available.
+    foreach ($this->languageManager()->getDefinedLanguageTypes() as $type) {
+      $this->assertTrue(strpos($type, 'test') === FALSE, format_string('The %type language is still available', ['%type' => $type]));
+    }
+
+    // Check that fixed language types are properly configured, even those
+    // previously set to configurable.
+    $this->checkFixedLanguageTypes();
+
+    // Check that unavailable language negotiation methods are not present in
+    // the negotiation settings.
+    $negotiation = $this->config('language.types')->get('negotiation.' . $type . '.enabled');
+    $this->assertFalse(isset($negotiation[$test_method_id]), 'The disabled test language negotiation method is not part of the content language negotiation settings.');
+
+    // Check that configuration page presents the correct options and settings.
+    $this->assertNoRaw(t('Test language detection'), 'No test language type configuration available.');
+    $this->assertNoRaw(t('This is a test language negotiation method'), 'No test language negotiation method available.');
+  }
+
+  /**
+   * Check that language negotiation for fixed types matches the stored one.
+   */
+  protected function checkFixedLanguageTypes() {
+    $configurable = $this->languageManager()->getLanguageTypes();
+    foreach ($this->languageManager()->getDefinedLanguageTypesInfo() as $type => $info) {
+      if (!in_array($type, $configurable) && isset($info['fixed'])) {
+        $negotiation = $this->config('language.types')->get('negotiation.' . $type . '.enabled');
+        $equal = count($info['fixed']) == count($negotiation);
+        while ($equal && list($id) = each($negotiation)) {
+          list(, $info_id) = each($info['fixed']);
+          $equal = $info_id == $id;
+        }
+        $this->assertTrue($equal, format_string('language negotiation for %type is properly set up', ['%type' => $type]));
+      }
+    }
+  }
+
+  /**
+   * Tests altering config of configurable language types.
+   */
+  public function testConfigLangTypeAlterations() {
+    // Default of config.
+    $test_type = LanguageInterface::TYPE_CONTENT;
+    $this->assertFalse($this->isLanguageTypeConfigurable($test_type), 'Language type is not configurable.');
+
+    // Editing config.
+    $edit = [$test_type . '[configurable]' => TRUE];
+    $this->drupalPostForm('admin/config/regional/language/detection', $edit, t('Save settings'));
+    $this->assertTrue($this->isLanguageTypeConfigurable($test_type), 'Language type is now configurable.');
+
+    // After installing another module, the config should be the same.
+    $this->drupalPostForm('admin/modules', ['modules[test_module][enable]' => 1], t('Install'));
+    $this->assertTrue($this->isLanguageTypeConfigurable($test_type), 'Language type is still configurable.');
+
+    // After uninstalling the other module, the config should be the same.
+    $this->drupalPostForm('admin/modules/uninstall', ['uninstall[test_module]' => 1], t('Uninstall'));
+    $this->assertTrue($this->isLanguageTypeConfigurable($test_type), 'Language type is still configurable.');
+  }
+
+  /**
+   * Checks whether the given language type is configurable.
+   *
+   * @param string $type
+   *   The language type.
+   *
+   * @return bool
+   *   TRUE if the specified language type is configurable, FALSE otherwise.
+   */
+  protected function isLanguageTypeConfigurable($type) {
+    $configurable_types = $this->config('language.types')->get('configurable');
+    return in_array($type, $configurable_types);
+  }
+
+}