first import

sites/all/modules/media/file_entity/tests/file_entity_test.info

@@ -0,0 +1,13 @@
+name = "File Entity Test"
+description = "Support module for File Entity tests."
+package = Testing
+core = 7.x
+dependencies[] = file_entity
+hidden = TRUE
+
+; Information added by drupal.org packaging script on 2012-03-23
+version = "7.x-1.0"
+core = "7.x"
+project = "media"
+datestamp = "1332537952"
+

sites/all/modules/media/file_entity/tests/file_entity_test.module

@@ -0,0 +1,100 @@
+<?php
+
+/**
+ * @file
+ * File Entity Test
+ */
+
+
+/**
+ * Implements hook_menu().
+ */
+function file_entity_test_menu() {
+  $items = array();
+
+  $items['file-entity-test/file/add'] = array(
+    'title' => 'Add file',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('file_entity_test_add_form'),
+    'access arguments' => array('administer site configuration'),
+    'file' => 'file_entity_test.pages.inc',
+  );
+  $items['file-entity-test/file/%file'] = array(
+    'title' => 'View file',
+    'page callback' => 'file_entity_test_view_page',
+    'page arguments' => array(2),
+    'access arguments' => array('administer site configuration'),
+    'file' => 'file_entity_test.pages.inc',
+  );
+  $items['file-entity-test/file/%file/view'] = array(
+    'title' => 'View',
+    'type' => MENU_DEFAULT_LOCAL_TASK,
+    'weight' => -10,
+  );
+  $items['file-entity-test/file/%file/preview'] = array(
+    'title' => 'Preview',
+    'page callback' => 'file_entity_test_preview_page',
+    'page arguments' => array(2),
+    'access arguments' => array('administer site configuration'),
+    'weight' => 0,
+    'type' => MENU_LOCAL_TASK,
+    'file' => 'file_entity_test.pages.inc',
+  );
+  $items['file-entity-test/file/%file/edit'] = array(
+    'title' => 'Edit',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('file_entity_test_edit_form', 2),
+    'access arguments' => array('administer site configuration'),
+    'weight' => 1,
+    'type' => MENU_LOCAL_TASK,
+    'file' => 'file_entity_test.pages.inc',
+  );
+
+  return $items;
+}
+
+/**
+ * Implements hook_file_type_info().
+ */
+function file_entity_test_file_type_info() {
+  return array(
+    'file_entity_test' => array(
+      'label' => t('Test'),
+      'description' => t('A file type defined by the File Entity Test module. Used for testing only.'),
+      'claim callback' => 'file_entity_test_file_type_file_entity_test_claim',
+      'default view callback' => 'file_entity_test_file_type_file_entity_test_default_view',
+      'weight' => 100,
+    ),
+  );
+}
+
+/**
+ * Implements hook_file_type_TYPE_claim().
+ *
+ * Returns TRUE if the passed in file should be assigned the 'file_entity_test'
+ * file type.
+ */
+function file_entity_test_file_type_file_entity_test_claim($file) {
+  return TRUE;
+}
+
+/**
+ * Implements hook_file_type_TYPE_default_view().
+ */
+function file_entity_test_file_type_file_entity_test_default_view($file, $view_mode, $langcode) {
+  return array(
+    '#type' => 'link',
+    '#title' => $file->filename,
+    '#href' => file_create_url($file->uri),
+  );
+}
+
+/**
+ * Implements hook_entity_info_alter().
+ */
+function file_entity_test_entity_info_alter(&$entity_info) {
+  $entity_info['file']['view modes']['file_entity_test_preview'] = array(
+    'label' => t('Test Preview'),
+    'custom settings' => TRUE,
+  );
+}

sites/all/modules/media/file_entity/tests/file_entity_test.pages.inc

@@ -0,0 +1,93 @@
+<?php
+
+/**
+ * @file
+ * Test pages for the File Entity Test module.
+ */
+
+/**
+ * Form callback; upload a file.
+ */
+function file_entity_test_add_form($form, &$form_state) {
+  $form['file'] = array(
+    '#type' => 'managed_file',
+    '#required' => TRUE,
+    '#title' => 'File',
+    '#upload_location' => 'public://',
+  );
+  $form['actions'] = array('#type' => 'actions');
+  $form['actions']['submit'] = array(
+    '#type' => 'submit',
+    '#value' => t('Save'),
+  );
+
+  return $form;
+}
+
+/**
+ * Form submit callback; save the uploaded file.
+ */
+function file_entity_test_add_form_submit($form, &$form_state) {
+  $file = file_load($form_state['values']['file']);
+  if (!$file->status) {
+    $file->status = FILE_STATUS_PERMANENT;
+    file_save($file);
+  }
+  drupal_set_message(t('Your file has been saved.'));
+  $form_state['redirect'] = 'file-entity-test/file/' . $file->fid;
+}
+
+/**
+ * Page callback; view a file.
+ */
+function file_entity_test_view_page($file) {
+  return file_view($file, 'default');
+}
+
+/**
+ * Page callback; preview a file.
+ */
+function file_entity_test_preview_page($file) {
+  return file_view($file, 'file_entity_test_preview');
+}
+
+/**
+ * Form callback; edit a file.
+ */
+function file_entity_test_edit_form($form, &$form_state, $file) {
+  $form_state['file'] = $file;
+  field_attach_form('file', $file, $form, $form_state);
+  $form['file'] = file_view($file, 'file_entity_test_preview');
+
+  // Add internal file properties needed by
+  // file_entity_test_edit_form_validate().
+  foreach (array('fid', 'type') as $key) {
+    $form[$key] = array('#type' => 'value', '#value' => $file->$key);
+  }
+
+  $form['actions'] = array('#type' => 'actions');
+  $form['actions']['submit'] = array(
+    '#type' => 'submit',
+    '#value' => t('Save'),
+  );
+
+  return $form;
+}
+
+/**
+ * Form validation handler for the file edit form.
+ */
+function file_entity_test_edit_form_validate($form, &$form_state) {
+  entity_form_field_validate('file', $form, $form_state);
+}
+
+/**
+ * Form submit handler for the file edit form
+ */
+function file_entity_test_edit_form_submit($form, &$form_state) {
+  $file = $form_state['file'];
+  entity_form_submit_build_entity('file', $file, $form, $form_state);
+  file_save($file);
+  drupal_set_message(t('Your changes to the file have been saved.'));
+  $form_state['redirect'] = 'file-entity-test/file/' . $file->fid;
+}