1 files changed, 43 insertions, 0 deletions
diff --git a/modules/simpletest/tests/file_test.module b/modules/simpletest/tests/file_test.module
index 3873c1ec9..dc6a56b4e 100644
--- a/modules/simpletest/tests/file_test.module
+++ b/modules/simpletest/tests/file_test.module
@@ -24,6 +24,19 @@ function file_test_menu() {
 }
 
 /**
+ * Implement hook_stream_wrappers().
+ */
+function file_test_stream_wrappers() {
+  return array(
+    'dummy' => array(
+      'name' => t('Dummy files'),
+      'class' => 'DrupalDummyStreamWrapper',
+      'description' => t('Dummy wrapper for simpletest.'),
+    ),
+  );
+}
+
+/**
  * Form to test file uploads.
  */
 function _file_test_form(&$form_state) {
@@ -238,3 +251,33 @@ function file_test_file_move($file, $source) {
 function file_test_file_delete($file) {
   _file_test_log_call('delete', array($file));
 }
+
+/**
+ * Helper class for testing the stream wrapper registry.
+ *
+ * Dummy stream wrapper implementation (dummy://).
+ */
+class DrupalDummyStreamWrapper extends DrupalLocalStreamWrapper {
+  function getDirectoryPath() {
+    return variable_get('stream_public_path', 'sites/default/files');
+  }
+
+  /**
+   * Override getInternalUri().
+   *
+   * Return a dummy path for testing.
+   */
+  function getInternalUri() {
+    return '/dummy/example.txt';
+  }
+
+  /**
+   * Override getExternalUrl().
+   *
+   * Return the HTML URI of a public file.
+   */
+  function getExternalUrl() {
+    return '/dummy/example.txt';
+  }
+}
+