1 // Copyright 2014 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 "components/metrics/cloned_install_detector.h" 6 7 #include "base/prefs/testing_pref_service.h" 8 #include "components/metrics/machine_id_provider.h" 9 #include "components/metrics/metrics_pref_names.h" 10 #include "components/metrics/metrics_state_manager.h" 11 #include "testing/gtest/include/gtest/gtest.h" 12 13 namespace metrics { 14 15 namespace { 16 17 const std::string kTestRawId = "test"; 18 // Hashed machine id for |kTestRawId|. 19 const int kTestHashedId = 2216819; 20 21 } // namespace 22 23 // TODO(jwd): Change these test to test the full flow and histogram outputs. It 24 // should also remove the need to make the test a friend of 25 // ClonedInstallDetector. TEST(ClonedInstallDetectorTest,SaveId)26TEST(ClonedInstallDetectorTest, SaveId) { 27 TestingPrefServiceSimple prefs; 28 ClonedInstallDetector::RegisterPrefs(prefs.registry()); 29 30 scoped_ptr<ClonedInstallDetector> detector( 31 new ClonedInstallDetector(MachineIdProvider::CreateInstance())); 32 33 detector->SaveMachineId(&prefs, kTestRawId); 34 35 EXPECT_EQ(kTestHashedId, prefs.GetInteger(prefs::kMetricsMachineId)); 36 } 37 TEST(ClonedInstallDetectorTest,DetectClone)38TEST(ClonedInstallDetectorTest, DetectClone) { 39 TestingPrefServiceSimple prefs; 40 MetricsStateManager::RegisterPrefs(prefs.registry()); 41 42 // Save a machine id that will cause a clone to be detected. 43 prefs.SetInteger(prefs::kMetricsMachineId, kTestHashedId + 1); 44 45 scoped_ptr<ClonedInstallDetector> detector( 46 new ClonedInstallDetector(MachineIdProvider::CreateInstance())); 47 48 detector->SaveMachineId(&prefs, kTestRawId); 49 50 EXPECT_TRUE(prefs.GetBoolean(prefs::kMetricsResetIds)); 51 } 52 53 } // namespace metrics 54