gtest_main.cpp revision 6acf8c67e949bb5a4642ff0035a49a459bca9022 
1/*
2 * Copyright (C) 2015 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <gtest/gtest.h>
18
19#include <memory>
20
21#include <android-base/file.h>
22#include <android-base/logging.h>
23#include <android-base/test_utils.h>
24#include <ziparchive/zip_archive.h>
25
26#include "get_test_data.h"
27#include "read_elf.h"
28#include "utils.h"
29
30static std::string testdata_dir;
31
32#if defined(__ANDROID__)
33static const std::string testdata_section = ".testzipdata";
34
35static bool ExtractTestDataFromElfSection() {
36  if (!MkdirWithParents(testdata_dir)) {
37    PLOG(ERROR) << "failed to create testdata_dir " << testdata_dir;
38    return false;
39  }
40  std::string content;
41  if (!ReadSectionFromElfFile("/proc/self/exe", testdata_section, &content)) {
42    LOG(ERROR) << "failed to read section " << testdata_section;
43    return false;
44  }
45  TemporaryFile tmp_file;
46  if (!android::base::WriteStringToFile(content, tmp_file.path)) {
47    PLOG(ERROR) << "failed to write file " << tmp_file.path;
48    return false;
49  }
50  ArchiveHelper ahelper(tmp_file.fd, tmp_file.path);
51  if (!ahelper) {
52    LOG(ERROR) << "failed to open archive " << tmp_file.path;
53    return false;
54  }
55  ZipArchiveHandle& handle = ahelper.archive_handle();
56  void* cookie;
57  int ret = StartIteration(handle, &cookie, nullptr, nullptr);
58  if (ret != 0) {
59    LOG(ERROR) << "failed to start iterating zip entries";
60    return false;
61  }
62  ZipEntry entry;
63  ZipString name;
64  while (Next(cookie, &entry, &name) == 0) {
65    std::string entry_name(name.name, name.name + name.name_length);
66    std::string path = testdata_dir + entry_name;
67    // Skip dir.
68    if (path.back() == '/') {
69      continue;
70    }
71    if (!MkdirWithParents(path)) {
72      LOG(ERROR) << "failed to create dir for " << path;
73      return false;
74    }
75    FileHelper fhelper = FileHelper::OpenWriteOnly(path);
76    if (!fhelper) {
77      PLOG(ERROR) << "failed to create file " << path;
78      return false;
79    }
80    std::vector<uint8_t> data(entry.uncompressed_length);
81    if (ExtractToMemory(handle, &entry, data.data(), data.size()) != 0) {
82      LOG(ERROR) << "failed to extract entry " << entry_name;
83      return false;
84    }
85    if (!android::base::WriteFully(fhelper.fd(), data.data(), data.size())) {
86      LOG(ERROR) << "failed to write file " << path;
87      return false;
88    }
89  }
90  EndIteration(cookie);
91  return true;
92}
93#endif  // defined(__ANDROID__)
94
95int main(int argc, char** argv) {
96  InitLogging(argv, android::base::StderrLogger);
97  testing::InitGoogleTest(&argc, argv);
98
99  for (int i = 1; i < argc; ++i) {
100    if (strcmp(argv[i], "-t") == 0 && i + 1 < argc) {
101      testdata_dir = argv[i + 1];
102      i++;
103    }
104  }
105
106#if defined(__ANDROID__)
107  std::unique_ptr<TemporaryDir> tmp_dir;
108  if (!::testing::GTEST_FLAG(list_tests) && testdata_dir.empty()) {
109    tmp_dir.reset(new TemporaryDir);
110    testdata_dir = std::string(tmp_dir->path) + "/";
111    if (!ExtractTestDataFromElfSection()) {
112      LOG(ERROR) << "failed to extract test data from elf section";
113      return 1;
114    }
115  }
116#endif
117
118  if (!::testing::GTEST_FLAG(list_tests) && testdata_dir.empty()) {
119    printf("Usage: %s -t <testdata_dir>\n", argv[0]);
120    return 1;
121  }
122  if (testdata_dir.back() != '/') {
123    testdata_dir.push_back('/');
124  }
125  LOG(INFO) << "testdata is in " << testdata_dir;
126  return RUN_ALL_TESTS();
127}
128
129std::string GetTestData(const std::string& filename) {
130  return testdata_dir + filename;
131}
132
133const std::string& GetTestDataDir() {
134  return testdata_dir;
135}
136
137bool IsRoot() {
138  static int is_root = -1;
139  if (is_root == -1) {
140#if defined(__linux__)
141    is_root = (getuid() == 0) ? 1 : 0;
142#else
143    is_root = 0;
144#endif
145  }
146  return is_root == 1;
147}
148