1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
// Copyright (c) 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/browser_watcher/exit_funnel_win.h"
#include <map>
#include "base/command_line.h"
#include "base/process/process_handle.h"
#include "base/strings/string16.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "base/test/test_reg_util_win.h"
#include "base/threading/platform_thread.h"
#include "base/time/time.h"
#include "base/win/registry.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace browser_watcher {
namespace {
const wchar_t kRegistryPath[] = L"Software\\ExitFunnelWinTest";
class ExitFunnelWinTest : public testing::Test {
public:
typedef testing::Test Super;
typedef std::map<base::string16, int64> EventMap;
void SetUp() override {
Super::SetUp();
override_manager_.OverrideRegistry(HKEY_CURRENT_USER);
}
base::string16 GetEventSubkey() {
// There should be a single subkey named after this process' pid.
base::win::RegistryKeyIterator it(HKEY_CURRENT_USER, kRegistryPath);
EXPECT_EQ(1u, it.SubkeyCount());
unsigned pid = 0;
base::StringToUint(it.Name(), &pid);
EXPECT_EQ(base::GetCurrentProcId(), pid);
return it.Name();
}
// TODO(siggi): Reuse the reading code from the metrics provider.
EventMap ReadEventsFromSubkey(const base::string16& subkey_name) {
base::string16 key_name(
base::StringPrintf(L"%ls\\%ls", kRegistryPath, subkey_name.c_str()));
base::win::RegKey key(HKEY_CURRENT_USER, key_name.c_str(), KEY_READ);
EXPECT_TRUE(key.Valid());
EXPECT_EQ(2u, key.GetValueCount());
EventMap events;
for (size_t i = 0; i < key.GetValueCount(); ++i) {
base::string16 name;
EXPECT_EQ(key.GetValueNameAt(i, &name), ERROR_SUCCESS);
int64 value = 0;
EXPECT_EQ(key.ReadInt64(name.c_str(), &value), ERROR_SUCCESS);
events[name] = value;
}
return events;
}
EventMap ReadEvents() {
base::string16 name = GetEventSubkey();
return ReadEventsFromSubkey(name);
}
protected:
registry_util::RegistryOverrideManager override_manager_;
};
} // namespace
TEST_F(ExitFunnelWinTest, RecordSingleEvent) {
// Record a couple of events.
ASSERT_TRUE(ExitFunnel::RecordSingleEvent(kRegistryPath, L"One"));
ASSERT_TRUE(ExitFunnel::RecordSingleEvent(kRegistryPath, L"Two"));
EventMap events = ReadEvents();
ASSERT_EQ(2u, events.size());
ASSERT_TRUE(events.find(L"One") != events.end());
ASSERT_TRUE(events.find(L"Two") != events.end());
}
TEST_F(ExitFunnelWinTest, RecordsEventTimes) {
ExitFunnel funnel;
ASSERT_TRUE(funnel.Init(kRegistryPath, base::GetCurrentProcessHandle()));
ASSERT_TRUE(funnel.RecordEvent(L"One"));
// Sleep for half a second to space the events in time.
base::PlatformThread::Sleep(base::TimeDelta::FromMilliseconds(50));
ASSERT_TRUE(funnel.RecordEvent(L"Two"));
EventMap events = ReadEvents();
ASSERT_EQ(2u, events.size());
base::TimeDelta one = base::TimeDelta::FromInternalValue(events[L"One"]);
base::TimeDelta two = base::TimeDelta::FromInternalValue(events[L"Two"]);
// Sleep is not accurate, it may over or under sleep. To minimize flakes,
// this test only compares relative ordering of the events.
ASSERT_LT(one, two);
}
} // namespace browser_watcher
|
