1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "mount_unittest.h"
17 #include <cerrno>
18 #include <fcntl.h>
19 #include <iostream>
20 #include <map>
21 #include <string>
22 #include <sys/mount.h>
23 #include <sys/stat.h>
24 #include <sys/types.h>
25 #include <sys/wait.h>
26 #include <unistd.h>
27 #include <vector>
28 #include "fs_manager/fs_manager.h"
29 #include "fs_manager/mount.h"
30 #include "log/log.h"
31 #include "utils.h"
32
33 using namespace testing::ext;
34 using namespace UpdaterUt;
35 using namespace Updater;
36 using namespace std;
37
38 namespace UpdaterUt {
SetUp(void)39 void MountUnitTest::SetUp(void)
40 {
41 cout << "Updater Unit MountUnitTest Begin!" << endl;
42 }
43
44 // end
TearDown(void)45 void MountUnitTest::TearDown(void)
46 {
47 cout << "Updater Unit MountUnitTest End!" << endl;
48 }
49
50 // do something at the each function begining
SetUpTestCase(void)51 void MountUnitTest::SetUpTestCase(void)
52 {
53 mkdir("/misc", S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
54 }
55
56 // do something at the each function end
TearDownTestCase(void)57 void MountUnitTest::TearDownTestCase(void)
58 {
59 rmdir("/misc");
60 }
61
62 HWTEST_F(MountUnitTest, FormatPartition_unitest, TestSize.Level1)
63 {
64 const std::string fstabFile1 = "/data/updater/mount_unitest/FormatPartition1.fstable";
65 LoadSpecificFstab(fstabFile1);
66 const std::string path1 = "";
67 int ret = FormatPartition(path1);
68 EXPECT_EQ(ret, -1);
69 const std::string path2 = "/";
70 ret = FormatPartition(path2);
71 EXPECT_EQ(ret, 0);
72 const std::string path3 = "/data";
73 ret = FormatPartition(path3);
74 EXPECT_EQ(ret, -1);
75 const std::string path4 = "/misc";
76 ret = FormatPartition(path4);
77 EXPECT_EQ(ret, -1);
78 }
79
80 HWTEST_F(MountUnitTest, MountForPath_unitest, TestSize.Level1)
81 {
82 const std::string fstabFile1 = "/data/updater/mount_unitest/MountForPath1.fstable";
83 LoadSpecificFstab(fstabFile1);
84 const std::string path1 = "";
85 int ret = MountForPath(path1);
86 EXPECT_EQ(ret, -1);
87 const std::string path2 = "/vendor";
88 ret = MountForPath(path2);
89 EXPECT_EQ(ret, 0);
90 ret = FormatPartition("/misc");
91 EXPECT_EQ(ret, 0);
92 const std::string path3 = "/misc";
93 ret = MountForPath(path3);
94 EXPECT_EQ(ret, 0);
95
96 const std::string path4 = "/data1";
97 ret = MountForPath(path4);
98 EXPECT_EQ(ret, -1);
99 }
100
101 HWTEST_F(MountUnitTest, UmountForPath_unitest, TestSize.Level1)
102 {
103 const std::string fstabFile1 = "/data/updater/mount_unitest/UmountForPath1.fstable";
104 LoadSpecificFstab(fstabFile1);
105 const std::string path1 = "";
106 int ret = UmountForPath(path1);
107 EXPECT_EQ(ret, -1);
108 const std::string path2 = "/misc/mount2";
109 ret = UmountForPath(path2);
110 EXPECT_EQ(ret, 0);
111 const std::string path3 = "/misc";
112 ret = UmountForPath(path3);
113 EXPECT_EQ(ret, 0);
114 }
115
116 HWTEST_F(MountUnitTest, GetMountStatusForPath_unitest, TestSize.Level1)
117 {
118 const std::string fstabFile1 = "/data/updater/mount_unitest/GetMountStatusForPath1.fstable";
119 LoadSpecificFstab(fstabFile1);
120 const std::string path1 = "";
121 MountStatus ret = GetMountStatusForPath(path1);
122 EXPECT_EQ(ret, MountStatus::MOUNT_ERROR);
123 const std::string path2 = "/vendor";
124 ret = GetMountStatusForPath(path2);
125 EXPECT_EQ(ret, MountStatus::MOUNT_MOUNTED);
126 const std::string path3 = "/data/mount2";
127 ret = GetMountStatusForPath(path3);
128 EXPECT_EQ(ret, MountStatus::MOUNT_UMOUNTED);
129 }
130
131 HWTEST_F(MountUnitTest, SetupPartitions_unitest, TestSize.Level1)
132 {
133 const std::string fstabFile1 = "/data/updater/mount_unitest/SetupPartitions1.fstable";
134 LoadSpecificFstab(fstabFile1);
135 int ret = SetupPartitions();
136 EXPECT_EQ(ret, -1);
137 const std::string fstabFile2 = "/data/updater/mount_unitest/SetupPartitions2.fstable";
138 LoadSpecificFstab(fstabFile2);
139 ret = SetupPartitions();
140 EXPECT_EQ(ret, 0);
141 }
142
143 HWTEST_F(MountUnitTest, GetBlockDeviceByMountPoint_unitest, TestSize.Level1)
144 {
145 LoadFstab();
146 const std::string fstabFile1 = "/data/updater/mount_unitest/GetBlockDeviceByMountPoint1.fstable";
147 LoadSpecificFstab(fstabFile1);
148 unsigned long mountFlag = MS_REMOUNT;
149 const std::string tmpPath = "/vendor/etc/fstab.updater";
150 std::string vendorSource = GetBlockDeviceByMountPoint(tmpPath);
151 // mount rootfs to read-write.
152 if (mount(vendorSource.c_str(), "/vendor", "ext4", mountFlag, nullptr) != 0) {
153 std::cout << "Cannot re-mount vendor\n";
154 }
155 auto ret = open(tmpPath.c_str(), O_RDONLY | O_CREAT | O_TRUNC, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
156 if (ret < 0) {
157 std::cout << "Cannot open \"/vendor/etc/fstab.updater\" file: " << errno << "\n";
158 return;
159 }
160 close(ret);
161 LoadFstab();
162 unlink(tmpPath.c_str());
163
164 LoadSpecificFstab(fstabFile1);
165 const std::string mountPoint1 = "";
166 const std::string str1 = GetBlockDeviceByMountPoint(mountPoint1);
167 EXPECT_TRUE(str1.empty());
168 const std::string mountPoint2 = "/data2";
169 const std::string str2 = GetBlockDeviceByMountPoint(mountPoint2);
170 EXPECT_TRUE(str2.empty());
171 const std::string mountPoint3 = "/data";
172 const std::string str3 = GetBlockDeviceByMountPoint(mountPoint3);
173 EXPECT_FALSE(str3.empty());
174 }
175 } // namespace updater_ut
176