device_settings_test_helper.h revision 58537e28ecd584eab876aee8be7156509866d23a 
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#ifndef CHROME_BROWSER_CHROMEOS_SETTINGS_DEVICE_SETTINGS_TEST_HELPER_H_
6#define CHROME_BROWSER_CHROMEOS_SETTINGS_DEVICE_SETTINGS_TEST_HELPER_H_
7
8#include <map>
9#include <string>
10#include <vector>
11
12#include "base/basictypes.h"
13#include "base/compiler_specific.h"
14#include "base/memory/ref_counted.h"
15#include "base/message_loop/message_loop.h"
16#include "base/strings/string_util.h"
17#include "chrome/browser/chromeos/policy/device_policy_builder.h"
18#include "chrome/browser/chromeos/settings/device_settings_service.h"
19#include "chrome/browser/chromeos/settings/device_settings_test_helper.h"
20#include "chrome/browser/chromeos/settings/mock_owner_key_util.h"
21#include "chromeos/dbus/session_manager_client.h"
22#include "content/public/test/test_browser_thread.h"
23#include "testing/gtest/include/gtest/gtest.h"
24
25namespace chromeos {
26
27// A helper class for tests mocking out session_manager's device settings
28// interface. The pattern is to initialize DeviceSettingsService with the helper
29// for the SessionManagerClient pointer. The helper records calls made by
30// DeviceSettingsService. The test can then verify state, after which it should
31// call one of the Flush() variants that will resume processing.
32class DeviceSettingsTestHelper : public SessionManagerClient {
33 public:
34  // Wraps a device settings service instance for testing.
35  DeviceSettingsTestHelper();
36  virtual ~DeviceSettingsTestHelper();
37
38  // Flushes operations on the current message loop and the blocking pool.
39  void FlushLoops();
40
41  // Runs all pending store callbacks.
42  void FlushStore();
43
44  // Runs all pending retrieve callbacks.
45  void FlushRetrieve();
46
47  // Flushes all pending operations.
48  void Flush();
49
50  // Checks whether any asynchronous Store/Retrieve operations are pending.
51  bool HasPendingOperations() const;
52
53  bool store_result() {
54    return device_policy_.store_result_;
55  }
56  void set_store_result(bool store_result) {
57    device_policy_.store_result_ = store_result;
58  }
59
60  const std::string& policy_blob() {
61    return device_policy_.policy_blob_;
62  }
63  void set_policy_blob(const std::string& policy_blob) {
64    device_policy_.policy_blob_ = policy_blob;
65  }
66
67  const std::string& device_local_account_policy_blob(
68      const std::string& id) const {
69    const std::map<std::string, PolicyState>::const_iterator entry =
70        device_local_account_policy_.find(id);
71    return entry == device_local_account_policy_.end() ?
72        EmptyString() : entry->second.policy_blob_;
73  }
74
75  void set_device_local_account_policy_blob(const std::string& id,
76                                            const std::string& policy_blob) {
77    device_local_account_policy_[id].policy_blob_ = policy_blob;
78  }
79
80  // SessionManagerClient:
81  virtual void Init(dbus::Bus* bus) OVERRIDE;
82  virtual void AddObserver(Observer* observer) OVERRIDE;
83  virtual void RemoveObserver(Observer* observer) OVERRIDE;
84  virtual bool HasObserver(Observer* observer) OVERRIDE;
85  virtual void EmitLoginPromptReady() OVERRIDE;
86  virtual void EmitLoginPromptVisible() OVERRIDE;
87  virtual void RestartJob(int pid, const std::string& command_line) OVERRIDE;
88  virtual void StartSession(const std::string& user_email) OVERRIDE;
89  virtual void StopSession() OVERRIDE;
90  virtual void StartDeviceWipe() OVERRIDE;
91  virtual void RequestLockScreen() OVERRIDE;
92  virtual void NotifyLockScreenShown() OVERRIDE;
93  virtual void NotifyLockScreenDismissed() OVERRIDE;
94  virtual void RetrieveActiveSessions(
95      const ActiveSessionsCallback& callback) OVERRIDE;
96  virtual void RetrieveDevicePolicy(
97      const RetrievePolicyCallback& callback) OVERRIDE;
98  virtual void RetrievePolicyForUser(
99      const std::string& username,
100      const RetrievePolicyCallback& callback) OVERRIDE;
101  virtual std::string BlockingRetrievePolicyForUser(
102      const std::string& username) OVERRIDE;
103  virtual void RetrieveDeviceLocalAccountPolicy(
104      const std::string& account_id,
105      const RetrievePolicyCallback& callback) OVERRIDE;
106  virtual void StoreDevicePolicy(const std::string& policy_blob,
107                                 const StorePolicyCallback& callback) OVERRIDE;
108  virtual void StorePolicyForUser(const std::string& username,
109                                  const std::string& policy_blob,
110                                  const std::string& policy_key,
111                                  const StorePolicyCallback& callback) OVERRIDE;
112  virtual void StoreDeviceLocalAccountPolicy(
113      const std::string& account_id,
114      const std::string& policy_blob,
115      const StorePolicyCallback& callback) OVERRIDE;
116  virtual void SetFlagsForUser(
117      const std::string& account_id,
118      const std::vector<std::string>& flags) OVERRIDE;
119
120 private:
121  struct PolicyState {
122    bool store_result_;
123    std::string policy_blob_;
124    std::vector<StorePolicyCallback> store_callbacks_;
125    std::vector<RetrievePolicyCallback> retrieve_callbacks_;
126
127    PolicyState();
128    ~PolicyState();
129
130    bool HasPendingOperations() const {
131      return !store_callbacks_.empty() || !retrieve_callbacks_.empty();
132    }
133  };
134
135  PolicyState device_policy_;
136  std::map<std::string, PolicyState> device_local_account_policy_;
137
138  DISALLOW_COPY_AND_ASSIGN(DeviceSettingsTestHelper);
139};
140
141// Wraps the singleton device settings and initializes it to the point where it
142// reports OWNERSHIP_NONE for the ownership status.
143class ScopedDeviceSettingsTestHelper : public DeviceSettingsTestHelper {
144 public:
145  ScopedDeviceSettingsTestHelper();
146  virtual ~ScopedDeviceSettingsTestHelper();
147
148 private:
149  DISALLOW_COPY_AND_ASSIGN(ScopedDeviceSettingsTestHelper);
150};
151
152// A convenience test base class that initializes a DeviceSettingsService
153// instance for testing and allows for straightforward updating of device
154// settings. |device_settings_service_| starts out in uninitialized state, so
155// startup code gets tested as well.
156class DeviceSettingsTestBase : public testing::Test {
157 protected:
158  DeviceSettingsTestBase();
159  virtual ~DeviceSettingsTestBase();
160
161  virtual void SetUp() OVERRIDE;
162  virtual void TearDown() OVERRIDE;
163
164  // Flushes any pending device settings operations.
165  void FlushDeviceSettings();
166
167  // Triggers an owner key and device settings reload on
168  // |device_settings_service_| and flushes the resulting load operation.
169  void ReloadDeviceSettings();
170
171  base::MessageLoop loop_;
172  content::TestBrowserThread ui_thread_;
173  content::TestBrowserThread file_thread_;
174
175  policy::DevicePolicyBuilder device_policy_;
176
177  DeviceSettingsTestHelper device_settings_test_helper_;
178  scoped_refptr<MockOwnerKeyUtil> owner_key_util_;
179  // Local DeviceSettingsService instance for tests. Avoid using in combination
180  // with the global instance (DeviceSettingsService::Get()).
181  DeviceSettingsService device_settings_service_;
182
183 private:
184  DISALLOW_COPY_AND_ASSIGN(DeviceSettingsTestBase);
185};
186
187}  // namespace chromeos
188
189#endif  // CHROME_BROWSER_CHROMEOS_SETTINGS_DEVICE_SETTINGS_TEST_HELPER_H_
190