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
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "unclean_shutdown_collector.h"
#include <unistd.h>
#include <base/files/file_util.h>
#include <base/files/scoped_temp_dir.h>
#include <base/strings/string_util.h>
#include <brillo/syslog_logging.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
using base::FilePath;
using ::brillo::FindLog;
namespace {
int s_crashes = 0;
bool s_metrics = true;
void CountCrash() {
++s_crashes;
}
bool IsMetrics() {
return s_metrics;
}
} // namespace
class UncleanShutdownCollectorMock : public UncleanShutdownCollector {
public:
MOCK_METHOD0(SetUpDBus, void());
};
class UncleanShutdownCollectorTest : public ::testing::Test {
void SetUp() {
s_crashes = 0;
EXPECT_CALL(collector_, SetUpDBus()).WillRepeatedly(testing::Return());
collector_.Initialize(CountCrash,
IsMetrics);
EXPECT_TRUE(test_dir_.CreateUniqueTempDir());
test_directory_ = test_dir_.path().Append("test");
test_unclean_ = test_dir_.path().Append("test/unclean");
collector_.unclean_shutdown_file_ = test_unclean_.value().c_str();
base::DeleteFile(test_unclean_, true);
// Set up an alternate power manager state file as well
collector_.powerd_suspended_file_ =
test_dir_.path().Append("test/suspended");
brillo::ClearLog();
}
protected:
void WriteStringToFile(const FilePath &file_path,
const char *data) {
unsigned int numBytesWritten =
base::WriteFile(file_path, data, strlen(data));
ASSERT_EQ(strlen(data), numBytesWritten);
}
UncleanShutdownCollectorMock collector_;
// Temporary directory used for tests.
base::ScopedTempDir test_dir_;
FilePath test_directory_;
FilePath test_unclean_;
};
TEST_F(UncleanShutdownCollectorTest, EnableWithoutParent) {
ASSERT_TRUE(collector_.Enable());
ASSERT_TRUE(base::PathExists(test_unclean_));
}
TEST_F(UncleanShutdownCollectorTest, EnableWithParent) {
mkdir(test_directory_.value().c_str(), 0777);
ASSERT_TRUE(collector_.Enable());
ASSERT_TRUE(base::PathExists(test_unclean_));
}
TEST_F(UncleanShutdownCollectorTest, EnableCannotWrite) {
collector_.unclean_shutdown_file_ = "/bad/path";
ASSERT_FALSE(collector_.Enable());
ASSERT_TRUE(FindLog("Unable to create shutdown check file"));
}
TEST_F(UncleanShutdownCollectorTest, CollectTrue) {
ASSERT_TRUE(collector_.Enable());
ASSERT_TRUE(base::PathExists(test_unclean_));
ASSERT_TRUE(collector_.Collect());
ASSERT_FALSE(base::PathExists(test_unclean_));
ASSERT_EQ(1, s_crashes);
ASSERT_TRUE(FindLog("Last shutdown was not clean"));
}
TEST_F(UncleanShutdownCollectorTest, CollectFalse) {
ASSERT_FALSE(collector_.Collect());
ASSERT_EQ(0, s_crashes);
}
TEST_F(UncleanShutdownCollectorTest, CollectDeadBatterySuspended) {
ASSERT_TRUE(collector_.Enable());
ASSERT_TRUE(base::PathExists(test_unclean_));
base::WriteFile(collector_.powerd_suspended_file_, "", 0);
ASSERT_FALSE(collector_.Collect());
ASSERT_FALSE(base::PathExists(test_unclean_));
ASSERT_FALSE(base::PathExists(collector_.powerd_suspended_file_));
ASSERT_EQ(0, s_crashes);
ASSERT_TRUE(FindLog("Unclean shutdown occurred while suspended."));
}
TEST_F(UncleanShutdownCollectorTest, Disable) {
ASSERT_TRUE(collector_.Enable());
ASSERT_TRUE(base::PathExists(test_unclean_));
ASSERT_TRUE(collector_.Disable());
ASSERT_FALSE(base::PathExists(test_unclean_));
ASSERT_FALSE(collector_.Collect());
}
TEST_F(UncleanShutdownCollectorTest, DisableWhenNotEnabled) {
ASSERT_TRUE(collector_.Disable());
}
TEST_F(UncleanShutdownCollectorTest, CantDisable) {
mkdir(test_directory_.value().c_str(), 0700);
if (mkdir(test_unclean_.value().c_str(), 0700)) {
ASSERT_EQ(EEXIST, errno)
<< "Error while creating directory '" << test_unclean_.value()
<< "': " << strerror(errno);
}
ASSERT_EQ(0, base::WriteFile(test_unclean_.Append("foo"), "", 0))
<< "Error while creating empty file '"
<< test_unclean_.Append("foo").value() << "': " << strerror(errno);
ASSERT_FALSE(collector_.Disable());
rmdir(test_unclean_.value().c_str());
}
|
