From 8dc34dade882768feb8100d7041d94c7d446b818 Mon Sep 17 00:00:00 2001
From: Bharat Mediratta <bharat@menalto.com>
Date: Mon, 21 Jan 2013 00:51:31 -0500
Subject: Add unit tests for data_rest.  While I'm in there, get rid of the
 clause that returns nothing when the album has no album cover - we'll fail
 before that if the album's thumbnail is missing, and if it's not missing then
 we'll have something to serve even if it's out of date.

---
 modules/gallery/helpers/data_rest.php           |  12 ++-
 modules/gallery/tests/Data_Rest_Helper_Test.php | 102 ++++++++++++++++++++++++
 2 files changed, 107 insertions(+), 7 deletions(-)
 create mode 100644 modules/gallery/tests/Data_Rest_Helper_Test.php

diff --git a/modules/gallery/helpers/data_rest.php b/modules/gallery/helpers/data_rest.php
index ef4f17e7..ad369037 100644
--- a/modules/gallery/helpers/data_rest.php
+++ b/modules/gallery/helpers/data_rest.php
@@ -51,12 +51,6 @@ class data_rest_Core {
     // We don't need to save the session for this request
     Session::instance()->abort_save();
 
-    if ($item->is_album() && !$item->album_cover_item_id) {
-      // No thumbnail.  Return nothing.
-      // @todo: what should we do here?
-      return;
-    }
-
     // Dump out the image.  If the item is a movie or album, then its thumbnail will be a JPG.
     if (($item->is_movie() || $item->is_album()) && $p->size == "thumb") {
       header("Content-Type: image/jpeg");
@@ -68,7 +62,11 @@ class data_rest_Core {
     if (isset($p->encoding) && $p->encoding == "base64") {
       print base64_encode(file_get_contents($file));
     } else {
-      readfile($file);
+      if (TEST_MODE) {
+        return $file;
+      } else {
+        readfile($file);
+      }
     }
 
     // We must exit here to keep the regular REST framework reply code from adding more bytes on
diff --git a/modules/gallery/tests/Data_Rest_Helper_Test.php b/modules/gallery/tests/Data_Rest_Helper_Test.php
new file mode 100644
index 00000000..feec6d32
--- /dev/null
+++ b/modules/gallery/tests/Data_Rest_Helper_Test.php
@@ -0,0 +1,102 @@
+<?php defined("SYSPATH") or die("No direct script access.");
+/**
+ * Gallery - a web based photo album viewer and editor
+ * Copyright (C) 2000-2012 Bharat Mediratta
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+class Data_Rest_Helper_Test extends Gallery_Unit_Test_Case {
+  public function teardown() {
+    identity::set_active_user(identity::admin_user());
+  }
+
+  public function resolve_test() {
+    $photo = test::random_photo();
+    $resolved = rest::resolve(rest::url("data", $photo, 640));
+    $this->assert_equal($photo->id, $resolved->id);
+  }
+
+  public function resolve_needs_permission_test() {
+    $album = test::random_album();
+    $photo = test::random_photo($album);
+    $album->reload();  // new photo changed the album in the db
+
+    access::deny(identity::everybody(), "view", $album);
+    identity::set_active_user(identity::guest());
+
+    try {
+      data_rest::resolve($photo->id);
+      $this->assert_true(false);
+    } catch (Kohana_404_Exception $e) {
+      // pass
+    }
+  }
+
+  public function basic_get_test() {
+    $photo = test::random_photo();
+
+    $request = new stdClass();
+    $request->url = rest::url("data", $photo, "thumb");
+    $request->params = new stdClass();
+
+    $request->params->size = "thumb";
+    $this->assert_same($photo->thumb_path(), data_rest::get($request));
+
+    $request->params->size = "resize";
+    $this->assert_same($photo->resize_path(), data_rest::get($request));
+
+    $request->params->size = "full";
+    $this->assert_same($photo->file_path(), data_rest::get($request));
+  }
+
+  public function illegal_access_test() {
+    $album = test::random_album();
+    $photo = test::random_photo($album);
+    $album->reload();
+
+    access::deny(identity::everybody(), "view", $album);
+    identity::set_active_user(identity::guest());
+
+    $request = new stdClass();
+    $request->url = rest::url("data", $photo, "thumb");
+    $request->params = new stdClass();
+    $request->params->size = "thumb";
+
+    try {
+      data_rest::get($request);
+      $this->assert_true(false);
+    } catch (Kohana_404_Exception $e) {
+      // pass
+    }
+  }
+
+  public function missing_file_test() {
+    $photo = test::random_photo();
+
+    $request = new stdClass();
+    $request->url = rest::url("data", $photo, "thumb");
+    $request->params = new stdClass();
+    $request->params->size = "thumb";
+
+    unlink($photo->thumb_path());  // oops!
+
+    try {
+      data_rest::get($request);
+      $this->assert_true(false);
+    } catch (Kohana_404_Exception $e) {
+      // pass
+    }
+  }
+}
-- 
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