src/extensions/browser/info_map_unittest.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/message_loop/message_loop.h"
   6 #include "base/path_service.h"
   7 #include "content/public/test/test_browser_thread.h"
   8 #include "extensions/browser/info_map.h"
   9 #include "extensions/common/extension.h"
  10 #include "extensions/common/extension_paths.h"
  11 #include "extensions/common/manifest_constants.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 using content::BrowserThread;
  15
  16 namespace keys = extensions::manifest_keys;
  17
  18 namespace extensions {
  19
  20 class InfoMapTest : public testing::Test {
  21  public:
  22   InfoMapTest()
  23       : ui_thread_(BrowserThread::UI, &message_loop_),
  24         io_thread_(BrowserThread::IO, &message_loop_) {}
  25
  26  private:
  27   base::MessageLoop message_loop_;
  28   content::TestBrowserThread ui_thread_;
  29   content::TestBrowserThread io_thread_;
  30 };
  31
  32 // Returns a barebones test Extension object with the given name.
  33 static scoped_refptr<Extension> CreateExtension(const std::string& name) {
  34   base::FilePath path;
  35   PathService::Get(DIR_TEST_DATA, &path);
  36
  37   base::DictionaryValue manifest;
  38   manifest.SetString(keys::kVersion, "1.0.0.0");
  39   manifest.SetString(keys::kName, name);
  40
  41   std::string error;
  42   scoped_refptr<Extension> extension =
  43       Extension::Create(path.AppendASCII(name),
  44                         Manifest::INVALID_LOCATION,
  45                         manifest,
  46                         Extension::NO_FLAGS,
  47                         &error);
  48   EXPECT_TRUE(extension.get()) << error;
  49
  50   return extension;
  51 }
  52
  53 // Test that the InfoMap handles refcounting properly.
  54 TEST_F(InfoMapTest, RefCounting) {
  55   scoped_refptr<InfoMap> info_map(new InfoMap());
  56
  57   // New extensions should have a single reference holding onto them.
  58   scoped_refptr<Extension> extension1(CreateExtension("extension1"));
  59   scoped_refptr<Extension> extension2(CreateExtension("extension2"));
  60   scoped_refptr<Extension> extension3(CreateExtension("extension3"));
  61   EXPECT_TRUE(extension1->HasOneRef());
  62   EXPECT_TRUE(extension2->HasOneRef());
  63   EXPECT_TRUE(extension3->HasOneRef());
  64
  65   // Add a ref to each extension and give it to the info map.
  66   info_map->AddExtension(extension1.get(), base::Time(), false, false);
  67   info_map->AddExtension(extension2.get(), base::Time(), false, false);
  68   info_map->AddExtension(extension3.get(), base::Time(), false, false);
  69
  70   // Release extension1, and the info map should have the only ref.
  71   const Extension* weak_extension1 = extension1.get();
  72   extension1 = NULL;
  73   EXPECT_TRUE(weak_extension1->HasOneRef());
  74
  75   // Remove extension2, and the extension2 object should have the only ref.
  76   info_map->RemoveExtension(
  77       extension2->id(), extensions::UnloadedExtensionInfo::REASON_UNINSTALL);
  78   EXPECT_TRUE(extension2->HasOneRef());
  79
  80   // Delete the info map, and the extension3 object should have the only ref.
  81   info_map = NULL;
  82   EXPECT_TRUE(extension3->HasOneRef());
  83 }
  84
  85 // Tests that we can query a few extension properties from the InfoMap.
  86 TEST_F(InfoMapTest, Properties) {
  87   scoped_refptr<InfoMap> info_map(new InfoMap());
  88
  89   scoped_refptr<Extension> extension1(CreateExtension("extension1"));
  90   scoped_refptr<Extension> extension2(CreateExtension("extension2"));
  91
  92   info_map->AddExtension(extension1.get(), base::Time(), false, false);
  93   info_map->AddExtension(extension2.get(), base::Time(), false, false);
  94
  95   EXPECT_EQ(2u, info_map->extensions().size());
  96   EXPECT_EQ(extension1.get(), info_map->extensions().GetByID(extension1->id()));
  97   EXPECT_EQ(extension2.get(), info_map->extensions().GetByID(extension2->id()));
  98 }
  99
 100 // Tests that extension URLs are properly mapped to local file paths.
 101 TEST_F(InfoMapTest, MapUrlToLocalFilePath) {
 102   scoped_refptr<InfoMap> info_map(new InfoMap());
 103   scoped_refptr<Extension> app(CreateExtension("platform_app"));
 104   info_map->AddExtension(app.get(), base::Time(), false, false);
 105
 106   // Non-extension URLs don't map to anything.
 107   base::FilePath non_extension_path;
 108   GURL non_extension_url("http://not-an-extension.com/");
 109   EXPECT_FALSE(info_map->MapUrlToLocalFilePath(
 110       non_extension_url, false, &non_extension_path));
 111   EXPECT_TRUE(non_extension_path.empty());
 112
 113   // Valid resources return a valid path.
 114   base::FilePath valid_path;
 115   GURL valid_url = app->GetResourceURL("manifest.json");
 116   EXPECT_TRUE(info_map->MapUrlToLocalFilePath(
 117       valid_url, true /* use_blocking_api */, &valid_path));
 118   EXPECT_FALSE(valid_path.empty());
 119
 120   // A file must exist to be mapped to a path using the blocking API.
 121   base::FilePath does_not_exist_path;
 122   GURL does_not_exist_url = app->GetResourceURL("does-not-exist.html");
 123   EXPECT_FALSE(info_map->MapUrlToLocalFilePath(
 124       does_not_exist_url, true /* use_blocking_api */, &does_not_exist_path));
 125   EXPECT_TRUE(does_not_exist_path.empty());
 126
 127   // A file does not need to exist to be mapped to a path with the non-blocking
 128   // API. This avoids hitting the disk to see if it exists.
 129   EXPECT_TRUE(info_map->MapUrlToLocalFilePath(
 130       does_not_exist_url, false /* use_blocking_api */, &does_not_exist_path));
 131   EXPECT_FALSE(does_not_exist_path.empty());
 132 }
 133
 134 }  // namespace extensions