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
156
157
158
159
160
|
// Copyright 2011 Google Inc. All Rights Reserved.
//
// 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 <gtest/gtest.h>
#ifdef _WIN32
#include <io.h>
#include <windows.h>
#endif
#include "disk_interface.h"
using namespace std;
namespace {
#ifdef _WIN32
#ifndef _mktemp_s
/// mingw has no mktemp. Implement one with the same type as the one
/// found in the Windows API.
int _mktemp_s(char* templ) {
char* ofs = strchr(templ, 'X');
sprintf(ofs, "%d", rand() % 1000000);
return 0;
}
#endif
/// Windows has no mkdtemp. Implement it in terms of _mktemp_s.
char* mkdtemp(char* name_template) {
int err = _mktemp_s(name_template);
if (err < 0) {
perror("_mktemp_s");
return NULL;
}
err = _mkdir(name_template);
if (err < 0) {
perror("mkdir");
return NULL;
}
return name_template;
}
#endif
class DiskInterfaceTest : public testing::Test {
public:
virtual void SetUp() {
// Because we do real disk accesses, we create a temp dir within
// the system temporary directory.
// First change into the system temp dir and save it for cleanup.
start_dir_ = GetSystemTempDir();
ASSERT_EQ(0, chdir(start_dir_.c_str()));
// Then create and change into a temporary subdirectory of that.
temp_dir_name_ = MakeTempDir();
ASSERT_FALSE(temp_dir_name_.empty());
ASSERT_EQ(0, chdir(temp_dir_name_.c_str()));
}
virtual void TearDown() {
// Move out of the directory we're about to clobber.
ASSERT_EQ(0, chdir(start_dir_.c_str()));
#ifdef _WIN32
ASSERT_EQ(0, system(("rmdir /s /q " + temp_dir_name_).c_str()));
#else
ASSERT_EQ(0, system(("rm -rf " + temp_dir_name_).c_str()));
#endif
}
string GetSystemTempDir() {
#ifdef _WIN32
char buf[1024];
if (!GetTempPath(sizeof(buf), buf))
return "";
return buf;
#else
const char* tempdir = getenv("TMPDIR");
if (tempdir)
return tempdir;
return "/tmp";
#endif
}
string MakeTempDir() {
char name_template[] = "DiskInterfaceTest-XXXXXX";
char* name = mkdtemp(name_template);
return name ? name : "";
}
string start_dir_;
string temp_dir_name_;
RealDiskInterface disk_;
};
TEST_F(DiskInterfaceTest, Stat) {
EXPECT_EQ(0, disk_.Stat("nosuchfile"));
#ifdef _WIN32
// TODO: find something that stat fails on for Windows.
#else
string too_long_name(512, 'x');
EXPECT_EQ(-1, disk_.Stat(too_long_name));
#endif
#ifdef _WIN32
ASSERT_EQ(0, system("cmd.exe /c echo hi > file"));
#else
ASSERT_EQ(0, system("touch file"));
#endif
EXPECT_GT(disk_.Stat("file"), 1);
}
TEST_F(DiskInterfaceTest, ReadFile) {
string err;
EXPECT_EQ("", disk_.ReadFile("foobar", &err));
EXPECT_EQ("", err);
const char* kTestFile = "testfile";
FILE* f = fopen(kTestFile, "wb");
ASSERT_TRUE(f);
const char* kTestContent = "test content\nok";
fprintf(f, "%s", kTestContent);
ASSERT_EQ(0, fclose(f));
EXPECT_EQ(kTestContent, disk_.ReadFile(kTestFile, &err));
EXPECT_EQ("", err);
}
TEST_F(DiskInterfaceTest, MakeDirs) {
EXPECT_TRUE(disk_.MakeDirs("path/with/double//slash/"));
}
TEST_F(DiskInterfaceTest, RemoveFile) {
const char* kFileName = "file-to-remove";
#ifdef _WIN32
string cmd = "cmd /c echo hi > ";
#else
string cmd = "touch ";
#endif
cmd += kFileName;
ASSERT_EQ(0, system(cmd.c_str()));
EXPECT_EQ(0, disk_.RemoveFile(kFileName));
EXPECT_EQ(1, disk_.RemoveFile(kFileName));
EXPECT_EQ(1, disk_.RemoveFile("does not exist"));
}
} // namespace
|
