Tuque cache will clear if new user is provided to islandora_get_tuque_connection. Tests.

islandora.info

@@ -17,4 +17,5 @@ files[] = tests/hooks.test
 files[] = tests/ingest.test
 files[] = tests/hooked_access.test
 files[] = tests/islandora_manage_permissions.test
+files[] = tests/islandora_tuque.test
 php = 5.3

islandora.module

@@ -812,7 +812,7 @@ function islandora_default_islandora_view_object($object) {
  *
  * Includes some very basic error logging.
  *
- * @param object $user
+ * @param object $usr
  *   The user to connect as.
  * @param string $url
  *   The URL to connect to.
@@ -820,12 +820,18 @@ function islandora_default_islandora_view_object($object) {
  * @return IslandoraTuque
  *   A IslandoraTuque instance
  */
-function islandora_get_tuque_connection($user = NULL, $url = NULL) {
+function islandora_get_tuque_connection($usr = NULL, $url = NULL) {
   $tuque = &drupal_static(__FUNCTION__);
-  if (!$tuque) {
+
+  global $user;
+
+  $no_tuque_yet = !$tuque;
+  $user_is_different = ($usr && $usr->uid != $user->uid);
+
+  if ($no_tuque_yet || $user_is_different) {
     if (IslandoraTuque::exists()) {
       try {
-        $tuque = new IslandoraTuque($user, $url);
+        $tuque = new IslandoraTuque($usr, $url);
       }
       catch (Exception $e) {
         drupal_set_message(t('Unable to connect to the repository %e', array('%e' => $e)), 'error');

tests/islandora_tuque.test

@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * @file
+ * Tests islandora tuque functionality.
+ */
+
+class IslandoraTuqueTestCase extends IslandoraWebTestCase {
+
+  /**
+   * Gets info to display to describe this test.
+   *
+   * @see IslandoraWebTestCase::getInfo()
+   */
+  public static function getInfo() {
+    return array(
+      'name' => 'Islandora Tuque',
+      'description' => 'Tests basic tuque functionality.',
+      'group' => 'Islandora',
+    );
+  }
+
+  /**
+   * Prepares enviroment for testing.
+   *
+   * @see IslandoraWebTestCase::setUp()
+   */
+  public function setUp() {
+    parent::setUp(array('islandora'));
+  }
+
+  /**
+   * Tests that a new tuque instance is created when a new user is provided.
+   */
+  public function testTuqueUserChange() {
+    global $user;
+
+    $tuque = islandora_get_tuque_connection($user);
+
+    $old_user_name = $tuque->connection->username;
+
+    $new_user = user_load(0);
+
+    $tuque = islandora_get_tuque_connection($new_user);
+
+    $new_user_name = $tuque->connection->username;
+
+    $this->assertNotEqual($old_user_name, $new_user_name, "User in tuque's connection changes when a new user is provided to islandora_get_tuque_connection().");
+
+    $old_user_name = $new_user_name;
+
+    $tuque = islandora_get_tuque_connection();
+
+    $new_user_name = $tuque->connection->username;
+
+    $this->assertEqual($old_user_name, $new_user_name, "User in tuque's connection does not change when no user is provided to islandora_get_tuque_connection().");
+  }
+
+}