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/extension_management.h"
  13 #include "chrome/browser/extensions/external_policy_loader.h"
  14 #include "chrome/browser/extensions/external_provider_impl.h"
  15 #include "chrome/test/base/testing_profile.h"
  16 #include "components/syncable_prefs/testing_pref_service_syncable.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   ~ExternalPolicyLoaderTest() override {}
  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(
  58             ExtensionManagementFactory::GetForBrowserContext(profile_.get()),
  59             ExternalPolicyLoader::FORCED),
  60         profile_.get(),
  61         Manifest::INVALID_LOCATION,
  62         Manifest::EXTERNAL_POLICY_DOWNLOAD,
  63         Extension::NO_FLAGS));
  64
  65     // Extensions will be removed from this list as they visited,
  66     // so it should be emptied by the end.
  67     expected_extensions_ = expected_extensions;
  68     provider_->VisitRegisteredExtension();
  69     EXPECT_TRUE(expected_extensions_.empty());
  70   }
  71
  72   bool OnExternalExtensionFileFound(const std::string& id,
  73                                     const Version* version,
  74                                     const base::FilePath& path,
  75                                     Manifest::Location unused,
  76                                     int unused2,
  77                                     bool unused3,
  78                                     bool unused4) override {
  79     ADD_FAILURE() << "There should be no external extensions from files.";
  80     return false;
  81   }
  82
  83   bool OnExternalExtensionUpdateUrlFound(const std::string& id,
  84                                          const std::string& install_parameter,
  85                                          const GURL& update_url,
  86                                          Manifest::Location location,
  87                                          int unused1,
  88                                          bool unused2) override {
  89     // Extension has the correct location.
  90     EXPECT_EQ(Manifest::EXTERNAL_POLICY_DOWNLOAD, location);
  91
  92     // Provider returns the correct location when asked.
  93     Manifest::Location location1;
  94     scoped_ptr<Version> version1;
  95     provider_->GetExtensionDetails(id, &location1, &version1);
  96     EXPECT_EQ(Manifest::EXTERNAL_POLICY_DOWNLOAD, location1);
  97     EXPECT_FALSE(version1.get());
  98
  99     // Remove the extension from our list.
 100     EXPECT_EQ(1U, expected_extensions_.erase(id));
 101     return true;
 102   }
 103
 104   void OnExternalProviderReady(
 105       const ExternalProviderInterface* provider) override {
 106     EXPECT_EQ(provider, provider_.get());
 107     EXPECT_TRUE(provider->IsReady());
 108   }
 109
 110  private:
 111   std::set<std::string> expected_extensions_;
 112
 113   scoped_ptr<TestingProfile> profile_;
 114
 115   scoped_ptr<ExternalProviderImpl> provider_;
 116
 117   DISALLOW_COPY_AND_ASSIGN(MockExternalPolicyProviderVisitor);
 118 };
 119
 120 TEST_F(ExternalPolicyLoaderTest, PolicyIsParsed) {
 121   base::DictionaryValue forced_extensions;
 122   std::set<std::string> expected_extensions;
 123   extensions::ExternalPolicyLoader::AddExtension(
 124       &forced_extensions, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
 125       "http://www.example.com/crx?a=5;b=6");
 126   expected_extensions.insert("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
 127   extensions::ExternalPolicyLoader::AddExtension(
 128       &forced_extensions, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
 129       "https://clients2.google.com/service/update2/crx");
 130   expected_extensions.insert("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
 131
 132   MockExternalPolicyProviderVisitor mv;
 133   mv.Visit(forced_extensions, expected_extensions);
 134 }
 135
 136 TEST_F(ExternalPolicyLoaderTest, InvalidEntriesIgnored) {
 137   base::DictionaryValue forced_extensions;
 138   std::set<std::string> expected_extensions;
 139
 140   extensions::ExternalPolicyLoader::AddExtension(
 141       &forced_extensions, "cccccccccccccccccccccccccccccccc",
 142       "http://www.example.com/crx");
 143   expected_extensions.insert("cccccccccccccccccccccccccccccccc");
 144
 145   // Add invalid entries.
 146   forced_extensions.SetString("invalid", "http://www.example.com/crx");
 147   forced_extensions.SetString("dddddddddddddddddddddddddddddddd",
 148                               std::string());
 149   forced_extensions.SetString("invalid", "bad");
 150
 151   MockExternalPolicyProviderVisitor mv;
 152   mv.Visit(forced_extensions, expected_extensions);
 153 }
 154
 155 }  // namespace extensions