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| 1 // Copyright (c) 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/browser_watcher/exit_funnel_win.h" |
| 6 |
| 7 #include <map> |
| 8 |
| 9 #include "base/command_line.h" |
| 10 #include "base/process/process_handle.h" |
| 11 #include "base/strings/string16.h" |
| 12 #include "base/strings/string_number_conversions.h" |
| 13 #include "base/strings/stringprintf.h" |
| 14 #include "base/test/test_reg_util_win.h" |
| 15 #include "base/threading/platform_thread.h" |
| 16 #include "base/time/time.h" |
| 17 #include "base/win/registry.h" |
| 18 #include "testing/gtest/include/gtest/gtest.h" |
| 19 |
| 20 namespace browser_watcher { |
| 21 |
| 22 namespace { |
| 23 |
| 24 const wchar_t kRegistryPath[] = L"Software\\ExitFunnelWinTest"; |
| 25 |
| 26 class ExitFunnelWinTest : public testing::Test { |
| 27 public: |
| 28 typedef testing::Test Super; |
| 29 typedef std::map<base::string16, int64> EventMap; |
| 30 |
| 31 virtual void SetUp() override { |
| 32 Super::SetUp(); |
| 33 |
| 34 override_manager_.OverrideRegistry(HKEY_CURRENT_USER); |
| 35 } |
| 36 |
| 37 base::string16 GetEventSubkey() { |
| 38 // There should be a single subkey named after this process' pid. |
| 39 base::win::RegistryKeyIterator it(HKEY_CURRENT_USER, kRegistryPath); |
| 40 EXPECT_EQ(1, it.SubkeyCount()); |
| 41 |
| 42 unsigned pid = 0; |
| 43 base::StringToUint(it.Name(), &pid); |
| 44 EXPECT_EQ(base::GetCurrentProcId(), pid); |
| 45 |
| 46 return it.Name(); |
| 47 } |
| 48 |
| 49 // TODO(siggi): Reuse the reading code from the metrics provider. |
| 50 EventMap ReadEventsFromSubkey(const base::string16& subkey_name) { |
| 51 base::string16 key_name( |
| 52 base::StringPrintf(L"%ls\\%ls", kRegistryPath, subkey_name.c_str())); |
| 53 |
| 54 base::win::RegKey key(HKEY_CURRENT_USER, key_name.c_str(), KEY_READ); |
| 55 EXPECT_TRUE(key.Valid()); |
| 56 EXPECT_EQ(2, key.GetValueCount()); |
| 57 |
| 58 EventMap events; |
| 59 for (size_t i = 0; i < key.GetValueCount(); ++i) { |
| 60 base::string16 name; |
| 61 EXPECT_EQ(key.GetValueNameAt(i, &name), ERROR_SUCCESS); |
| 62 int64 value = 0; |
| 63 EXPECT_EQ(key.ReadInt64(name.c_str(), &value), ERROR_SUCCESS); |
| 64 |
| 65 events[name] = value; |
| 66 } |
| 67 |
| 68 return events; |
| 69 } |
| 70 |
| 71 EventMap ReadEvents() { |
| 72 base::string16 name = GetEventSubkey(); |
| 73 return ReadEventsFromSubkey(name); |
| 74 } |
| 75 |
| 76 protected: |
| 77 registry_util::RegistryOverrideManager override_manager_; |
| 78 }; |
| 79 |
| 80 } // namespace |
| 81 |
| 82 TEST_F(ExitFunnelWinTest, RecordSingleEvent) { |
| 83 // Record a couple of events. |
| 84 ASSERT_TRUE(ExitFunnel::RecordSingleEvent(kRegistryPath, L"One")); |
| 85 ASSERT_TRUE(ExitFunnel::RecordSingleEvent(kRegistryPath, L"Two")); |
| 86 |
| 87 EventMap events = ReadEvents(); |
| 88 |
| 89 ASSERT_EQ(events.size(), 2); |
| 90 ASSERT_TRUE(events.find(L"One") != events.end()); |
| 91 ASSERT_TRUE(events.find(L"Two") != events.end()); |
| 92 } |
| 93 |
| 94 TEST_F(ExitFunnelWinTest, RecordsEventTimes) { |
| 95 ExitFunnel funnel; |
| 96 |
| 97 ASSERT_TRUE(funnel.Init(kRegistryPath, base::GetCurrentProcessHandle())); |
| 98 ASSERT_TRUE(funnel.RecordEvent(L"One")); |
| 99 |
| 100 // Sleep for half a second to space the events in time. |
| 101 base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(50)); |
| 102 |
| 103 ASSERT_TRUE(funnel.RecordEvent(L"Two")); |
| 104 |
| 105 EventMap events = ReadEvents(); |
| 106 ASSERT_EQ(events.size(), 2); |
| 107 |
| 108 base::TimeDelta one = base::TimeDelta::FromInternalValue(events[L"One"]); |
| 109 base::TimeDelta two = base::TimeDelta::FromInternalValue(events[L"Two"]); |
| 110 |
| 111 // Sleep is not accurate, it may over or under sleep. To minimize flakes, |
| 112 // this test only compares relative ordering of the events. |
| 113 ASSERT_LT(one, two); |
| 114 } |
| 115 |
| 116 } // namespace browser_watcher |
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