chrome/browser/extensions/external_policy_loader_unittest.cc

   1 // Copyright (c) 2012 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 <set>
   6 #include <string>
   7
   8 #include "base/logging.h"
   9 #include "base/message_loop/message_loop.h"
  10 #include "base/values.h"
  11 #include "base/version.h"
  12 #include "chrome/browser/extensions/external_policy_loader.h"
  13 #include "chrome/browser/extensions/external_provider_impl.h"
  14 #include "chrome/common/pref_names.h"
  15 #include "chrome/test/base/testing_pref_service_syncable.h"
  16 #include "chrome/test/base/testing_profile.h"
  17 #include "content/public/test/test_browser_thread.h"
  18 #include "extensions/browser/external_provider_interface.h"
  19 #include "extensions/browser/pref_names.h"
  20 #include "extensions/common/extension.h"
  21 #include "extensions/common/manifest.h"
  22 #include "testing/gtest/include/gtest/gtest.h"
  23
  24 using content::BrowserThread;
  25
  26 namespace extensions {
  27
  28 class ExternalPolicyLoaderTest : public testing::Test {
  29  public:
  30   ExternalPolicyLoaderTest() : ui_thread_(BrowserThread::UI, &loop_) {
  31   }
  32
  33   virtual ~ExternalPolicyLoaderTest() {}
  34
  35  private:
  36   // We need these to satisfy BrowserThread::CurrentlyOn(BrowserThread::UI)
  37   // checks in ExternalProviderImpl.
  38   base::MessageLoopForIO loop_;
  39   content::TestBrowserThread ui_thread_;
  40 };
  41
  42 class MockExternalPolicyProviderVisitor
  43     : public ExternalProviderInterface::VisitorInterface {
  44  public:
  45   MockExternalPolicyProviderVisitor() {
  46   }
  47
  48   // Initialize a provider with |policy_forcelist|, and check that it installs
  49   // exactly the extensions specified in |expected_extensions|.
  50   void Visit(const base::DictionaryValue& policy_forcelist,
  51              const std::set<std::string>& expected_extensions) {
  52     profile_.reset(new TestingProfile);
  53     profile_->GetTestingPrefService()->SetManagedPref(
  54         pref_names::kInstallForceList, policy_forcelist.DeepCopy());
  55     provider_.reset(new ExternalProviderImpl(
  56         this,
  57         new ExternalPolicyLoader(profile_.get()),
  58         profile_.get(),
  59         Manifest::INVALID_LOCATION,
  60         Manifest::EXTERNAL_POLICY_DOWNLOAD,
  61         Extension::NO_FLAGS));
  62
  63     // Extensions will be removed from this list as they visited,
  64     // so it should be emptied by the end.
  65     expected_extensions_ = expected_extensions;
  66     provider_->VisitRegisteredExtension();
  67     EXPECT_TRUE(expected_extensions_.empty());
  68   }
  69
  70   virtual bool OnExternalExtensionFileFound(const std::string& id,
  71                                             const Version* version,
  72                                             const base::FilePath& path,
  73                                             Manifest::Location unused,
  74                                             int unused2,
  75                                             bool unused3) OVERRIDE {
  76     ADD_FAILURE() << "There should be no external extensions from files.";
  77     return false;
  78   }
  79
  80   virtual bool OnExternalExtensionUpdateUrlFound(
  81       const std::string& id, const GURL& update_url,
  82       Manifest::Location location, int unused1, bool unused2) OVERRIDE {
  83     // Extension has the correct location.
  84     EXPECT_EQ(Manifest::EXTERNAL_POLICY_DOWNLOAD, location);
  85
  86     // Provider returns the correct location when asked.
  87     Manifest::Location location1;
  88     scoped_ptr<Version> version1;
  89     provider_->GetExtensionDetails(id, &location1, &version1);
  90     EXPECT_EQ(Manifest::EXTERNAL_POLICY_DOWNLOAD, location1);
  91     EXPECT_FALSE(version1.get());
  92
  93     // Remove the extension from our list.
  94     EXPECT_EQ(1U, expected_extensions_.erase(id));
  95     return true;
  96   }
  97
  98   virtual void OnExternalProviderReady(
  99       const ExternalProviderInterface* provider) OVERRIDE {
 100     EXPECT_EQ(provider, provider_.get());
 101     EXPECT_TRUE(provider->IsReady());
 102   }
 103
 104  private:
 105   std::set<std::string> expected_extensions_;
 106
 107   scoped_ptr<TestingProfile> profile_;
 108
 109   scoped_ptr<ExternalProviderImpl> provider_;
 110
 111   DISALLOW_COPY_AND_ASSIGN(MockExternalPolicyProviderVisitor);
 112 };
 113
 114 TEST_F(ExternalPolicyLoaderTest, PolicyIsParsed) {
 115   base::DictionaryValue forced_extensions;
 116   std::set<std::string> expected_extensions;
 117   extensions::ExternalPolicyLoader::AddExtension(
 118       &forced_extensions, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
 119       "http://www.example.com/crx?a=5;b=6");
 120   expected_extensions.insert("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
 121   extensions::ExternalPolicyLoader::AddExtension(
 122       &forced_extensions, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
 123       "https://clients2.google.com/service/update2/crx");
 124   expected_extensions.insert("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
 125
 126   MockExternalPolicyProviderVisitor mv;
 127   mv.Visit(forced_extensions, expected_extensions);
 128 }
 129
 130 TEST_F(ExternalPolicyLoaderTest, InvalidEntriesIgnored) {
 131   base::DictionaryValue forced_extensions;
 132   std::set<std::string> expected_extensions;
 133
 134   extensions::ExternalPolicyLoader::AddExtension(
 135       &forced_extensions, "cccccccccccccccccccccccccccccccc",
 136       "http://www.example.com/crx");
 137   expected_extensions.insert("cccccccccccccccccccccccccccccccc");
 138
 139   // Add invalid entries.
 140   forced_extensions.SetString("invalid", "http://www.example.com/crx");
 141   forced_extensions.SetString("dddddddddddddddddddddddddddddddd",
 142                               std::string());
 143   forced_extensions.SetString("invalid", "bad");
 144
 145   MockExternalPolicyProviderVisitor mv;
 146   mv.Visit(forced_extensions, expected_extensions);
 147 }
 148
 149 }  // namespace extensions