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_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   ~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) override {
  78     ADD_FAILURE() << "There should be no external extensions from files.";
  79     return false;
  80   }
  81
  82   bool OnExternalExtensionUpdateUrlFound(const std::string& id,
  83                                          const std::string& install_parameter,
  84                                          const GURL& update_url,
  85                                          Manifest::Location location,
  86                                          int unused1,
  87                                          bool unused2) override {
  88     // Extension has the correct location.
  89     EXPECT_EQ(Manifest::EXTERNAL_POLICY_DOWNLOAD, location);
  90
  91     // Provider returns the correct location when asked.
  92     Manifest::Location location1;
  93     scoped_ptr<Version> version1;
  94     provider_->GetExtensionDetails(id, &location1, &version1);
  95     EXPECT_EQ(Manifest::EXTERNAL_POLICY_DOWNLOAD, location1);
  96     EXPECT_FALSE(version1.get());
  97
  98     // Remove the extension from our list.
  99     EXPECT_EQ(1U, expected_extensions_.erase(id));
 100     return true;
 101   }
 102
 103   void OnExternalProviderReady(
 104       const ExternalProviderInterface* provider) override {
 105     EXPECT_EQ(provider, provider_.get());
 106     EXPECT_TRUE(provider->IsReady());
 107   }
 108
 109  private:
 110   std::set<std::string> expected_extensions_;
 111
 112   scoped_ptr<TestingProfile> profile_;
 113
 114   scoped_ptr<ExternalProviderImpl> provider_;
 115
 116   DISALLOW_COPY_AND_ASSIGN(MockExternalPolicyProviderVisitor);
 117 };
 118
 119 TEST_F(ExternalPolicyLoaderTest, PolicyIsParsed) {
 120   base::DictionaryValue forced_extensions;
 121   std::set<std::string> expected_extensions;
 122   extensions::ExternalPolicyLoader::AddExtension(
 123       &forced_extensions, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
 124       "http://www.example.com/crx?a=5;b=6");
 125   expected_extensions.insert("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
 126   extensions::ExternalPolicyLoader::AddExtension(
 127       &forced_extensions, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
 128       "https://clients2.google.com/service/update2/crx");
 129   expected_extensions.insert("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb");
 130
 131   MockExternalPolicyProviderVisitor mv;
 132   mv.Visit(forced_extensions, expected_extensions);
 133 }
 134
 135 TEST_F(ExternalPolicyLoaderTest, InvalidEntriesIgnored) {
 136   base::DictionaryValue forced_extensions;
 137   std::set<std::string> expected_extensions;
 138
 139   extensions::ExternalPolicyLoader::AddExtension(
 140       &forced_extensions, "cccccccccccccccccccccccccccccccc",
 141       "http://www.example.com/crx");
 142   expected_extensions.insert("cccccccccccccccccccccccccccccccc");
 143
 144   // Add invalid entries.
 145   forced_extensions.SetString("invalid", "http://www.example.com/crx");
 146   forced_extensions.SetString("dddddddddddddddddddddddddddddddd",
 147                               std::string());
 148   forced_extensions.SetString("invalid", "bad");
 149
 150   MockExternalPolicyProviderVisitor mv;
 151   mv.Visit(forced_extensions, expected_extensions);
 152 }
 153
 154 }  // namespace extensions