Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 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 | |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 17 | #include "ziparchive/zip_writer.h" |
Jiyong Park | cd997e6 | 2017-06-30 17:23:33 +0900 | [diff] [blame] | 18 | #include "ziparchive/zip_archive.h" |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 19 | |
Elliott Hughes | 4f71319 | 2015-12-04 22:00:26 -0800 | [diff] [blame] | 20 | #include <android-base/test_utils.h> |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 21 | #include <gtest/gtest.h> |
Christopher Ferris | 5e9f3d4 | 2016-01-19 10:33:03 -0800 | [diff] [blame] | 22 | #include <time.h> |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 23 | #include <memory> |
Christopher Ferris | a2a32b0 | 2015-11-04 17:54:32 -0800 | [diff] [blame] | 24 | #include <vector> |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 25 | |
Adam Lesinski | 537713b | 2017-03-16 13:23:51 -0700 | [diff] [blame] | 26 | static ::testing::AssertionResult AssertFileEntryContentsEq(const std::string& expected, |
| 27 | ZipArchiveHandle handle, |
| 28 | ZipEntry* zip_entry); |
| 29 | |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 30 | struct zipwriter : public ::testing::Test { |
| 31 | TemporaryFile* temp_file_; |
| 32 | int fd_; |
| 33 | FILE* file_; |
| 34 | |
| 35 | void SetUp() override { |
| 36 | temp_file_ = new TemporaryFile(); |
| 37 | fd_ = temp_file_->fd; |
| 38 | file_ = fdopen(fd_, "w"); |
| 39 | ASSERT_NE(file_, nullptr); |
| 40 | } |
| 41 | |
| 42 | void TearDown() override { |
| 43 | fclose(file_); |
| 44 | delete temp_file_; |
| 45 | } |
| 46 | }; |
| 47 | |
| 48 | TEST_F(zipwriter, WriteUncompressedZipWithOneFile) { |
| 49 | ZipWriter writer(file_); |
| 50 | |
| 51 | const char* expected = "hello"; |
| 52 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 53 | ASSERT_EQ(0, writer.StartEntry("file.txt", 0)); |
| 54 | ASSERT_EQ(0, writer.WriteBytes("he", 2)); |
| 55 | ASSERT_EQ(0, writer.WriteBytes("llo", 3)); |
| 56 | ASSERT_EQ(0, writer.FinishEntry()); |
| 57 | ASSERT_EQ(0, writer.Finish()); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 58 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 59 | ASSERT_GE(0, lseek(fd_, 0, SEEK_SET)); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 60 | |
| 61 | ZipArchiveHandle handle; |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 62 | ASSERT_EQ(0, OpenArchiveFd(fd_, "temp", &handle, false)); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 63 | |
| 64 | ZipEntry data; |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 65 | ASSERT_EQ(0, FindEntry(handle, ZipString("file.txt"), &data)); |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 66 | EXPECT_EQ(kCompressStored, data.method); |
Adam Lesinski | e2fa70b | 2017-03-29 16:10:11 -0700 | [diff] [blame] | 67 | EXPECT_EQ(0u, data.has_data_descriptor); |
Adam Lesinski | 537713b | 2017-03-16 13:23:51 -0700 | [diff] [blame] | 68 | EXPECT_EQ(strlen(expected), data.compressed_length); |
| 69 | ASSERT_EQ(strlen(expected), data.uncompressed_length); |
| 70 | ASSERT_TRUE(AssertFileEntryContentsEq(expected, handle, &data)); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 71 | |
| 72 | CloseArchive(handle); |
| 73 | } |
| 74 | |
| 75 | TEST_F(zipwriter, WriteUncompressedZipWithMultipleFiles) { |
| 76 | ZipWriter writer(file_); |
| 77 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 78 | ASSERT_EQ(0, writer.StartEntry("file.txt", 0)); |
| 79 | ASSERT_EQ(0, writer.WriteBytes("he", 2)); |
| 80 | ASSERT_EQ(0, writer.FinishEntry()); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 81 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 82 | ASSERT_EQ(0, writer.StartEntry("file/file.txt", 0)); |
| 83 | ASSERT_EQ(0, writer.WriteBytes("llo", 3)); |
| 84 | ASSERT_EQ(0, writer.FinishEntry()); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 85 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 86 | ASSERT_EQ(0, writer.StartEntry("file/file2.txt", 0)); |
| 87 | ASSERT_EQ(0, writer.FinishEntry()); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 88 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 89 | ASSERT_EQ(0, writer.Finish()); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 90 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 91 | ASSERT_GE(0, lseek(fd_, 0, SEEK_SET)); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 92 | |
| 93 | ZipArchiveHandle handle; |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 94 | ASSERT_EQ(0, OpenArchiveFd(fd_, "temp", &handle, false)); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 95 | |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 96 | ZipEntry data; |
| 97 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 98 | ASSERT_EQ(0, FindEntry(handle, ZipString("file.txt"), &data)); |
| 99 | EXPECT_EQ(kCompressStored, data.method); |
| 100 | EXPECT_EQ(2u, data.compressed_length); |
Adam Lesinski | 537713b | 2017-03-16 13:23:51 -0700 | [diff] [blame] | 101 | ASSERT_EQ(2u, data.uncompressed_length); |
| 102 | ASSERT_TRUE(AssertFileEntryContentsEq("he", handle, &data)); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 103 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 104 | ASSERT_EQ(0, FindEntry(handle, ZipString("file/file.txt"), &data)); |
| 105 | EXPECT_EQ(kCompressStored, data.method); |
| 106 | EXPECT_EQ(3u, data.compressed_length); |
Adam Lesinski | 537713b | 2017-03-16 13:23:51 -0700 | [diff] [blame] | 107 | ASSERT_EQ(3u, data.uncompressed_length); |
| 108 | ASSERT_TRUE(AssertFileEntryContentsEq("llo", handle, &data)); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 109 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 110 | ASSERT_EQ(0, FindEntry(handle, ZipString("file/file2.txt"), &data)); |
| 111 | EXPECT_EQ(kCompressStored, data.method); |
| 112 | EXPECT_EQ(0u, data.compressed_length); |
| 113 | EXPECT_EQ(0u, data.uncompressed_length); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 114 | |
| 115 | CloseArchive(handle); |
| 116 | } |
| 117 | |
Christopher Ferris | 5e9f3d4 | 2016-01-19 10:33:03 -0800 | [diff] [blame] | 118 | TEST_F(zipwriter, WriteUncompressedZipFileWithAlignedFlag) { |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 119 | ZipWriter writer(file_); |
| 120 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 121 | ASSERT_EQ(0, writer.StartEntry("align.txt", ZipWriter::kAlign32)); |
| 122 | ASSERT_EQ(0, writer.WriteBytes("he", 2)); |
| 123 | ASSERT_EQ(0, writer.FinishEntry()); |
| 124 | ASSERT_EQ(0, writer.Finish()); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 125 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 126 | ASSERT_GE(0, lseek(fd_, 0, SEEK_SET)); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 127 | |
| 128 | ZipArchiveHandle handle; |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 129 | ASSERT_EQ(0, OpenArchiveFd(fd_, "temp", &handle, false)); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 130 | |
| 131 | ZipEntry data; |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 132 | ASSERT_EQ(0, FindEntry(handle, ZipString("align.txt"), &data)); |
| 133 | EXPECT_EQ(0, data.offset & 0x03); |
| 134 | |
| 135 | CloseArchive(handle); |
| 136 | } |
| 137 | |
Yabin Cui | 8e6f722 | 2016-02-08 16:26:33 -0800 | [diff] [blame] | 138 | static struct tm MakeTm() { |
| 139 | struct tm tm; |
| 140 | memset(&tm, 0, sizeof(struct tm)); |
| 141 | tm.tm_year = 2001 - 1900; |
| 142 | tm.tm_mon = 1; |
| 143 | tm.tm_mday = 12; |
| 144 | tm.tm_hour = 18; |
| 145 | tm.tm_min = 30; |
| 146 | tm.tm_sec = 20; |
| 147 | return tm; |
| 148 | } |
| 149 | |
Christopher Ferris | 5e9f3d4 | 2016-01-19 10:33:03 -0800 | [diff] [blame] | 150 | TEST_F(zipwriter, WriteUncompressedZipFileWithAlignedFlagAndTime) { |
| 151 | ZipWriter writer(file_); |
| 152 | |
Yabin Cui | 8e6f722 | 2016-02-08 16:26:33 -0800 | [diff] [blame] | 153 | struct tm tm = MakeTm(); |
Christopher Ferris | 5e9f3d4 | 2016-01-19 10:33:03 -0800 | [diff] [blame] | 154 | time_t time = mktime(&tm); |
| 155 | ASSERT_EQ(0, writer.StartEntryWithTime("align.txt", ZipWriter::kAlign32, time)); |
| 156 | ASSERT_EQ(0, writer.WriteBytes("he", 2)); |
| 157 | ASSERT_EQ(0, writer.FinishEntry()); |
| 158 | ASSERT_EQ(0, writer.Finish()); |
| 159 | |
| 160 | ASSERT_GE(0, lseek(fd_, 0, SEEK_SET)); |
| 161 | |
| 162 | ZipArchiveHandle handle; |
| 163 | ASSERT_EQ(0, OpenArchiveFd(fd_, "temp", &handle, false)); |
| 164 | |
| 165 | ZipEntry data; |
| 166 | ASSERT_EQ(0, FindEntry(handle, ZipString("align.txt"), &data)); |
| 167 | EXPECT_EQ(0, data.offset & 0x03); |
| 168 | |
Elliott Hughes | 55fd293 | 2017-05-28 22:59:04 -0700 | [diff] [blame] | 169 | struct tm mod = data.GetModificationTime(); |
Christopher Ferris | 5e9f3d4 | 2016-01-19 10:33:03 -0800 | [diff] [blame] | 170 | EXPECT_EQ(tm.tm_sec, mod.tm_sec); |
| 171 | EXPECT_EQ(tm.tm_min, mod.tm_min); |
| 172 | EXPECT_EQ(tm.tm_hour, mod.tm_hour); |
| 173 | EXPECT_EQ(tm.tm_mday, mod.tm_mday); |
| 174 | EXPECT_EQ(tm.tm_mon, mod.tm_mon); |
| 175 | EXPECT_EQ(tm.tm_year, mod.tm_year); |
| 176 | |
| 177 | CloseArchive(handle); |
| 178 | } |
| 179 | |
| 180 | TEST_F(zipwriter, WriteUncompressedZipFileWithAlignedValue) { |
| 181 | ZipWriter writer(file_); |
| 182 | |
| 183 | ASSERT_EQ(0, writer.StartAlignedEntry("align.txt", 0, 4096)); |
| 184 | ASSERT_EQ(0, writer.WriteBytes("he", 2)); |
| 185 | ASSERT_EQ(0, writer.FinishEntry()); |
| 186 | ASSERT_EQ(0, writer.Finish()); |
| 187 | |
| 188 | ASSERT_GE(0, lseek(fd_, 0, SEEK_SET)); |
| 189 | |
| 190 | ZipArchiveHandle handle; |
| 191 | ASSERT_EQ(0, OpenArchiveFd(fd_, "temp", &handle, false)); |
| 192 | |
| 193 | ZipEntry data; |
| 194 | ASSERT_EQ(0, FindEntry(handle, ZipString("align.txt"), &data)); |
| 195 | EXPECT_EQ(0, data.offset & 0xfff); |
| 196 | |
| 197 | CloseArchive(handle); |
| 198 | } |
| 199 | |
| 200 | TEST_F(zipwriter, WriteUncompressedZipFileWithAlignedValueAndTime) { |
| 201 | ZipWriter writer(file_); |
| 202 | |
Yabin Cui | 8e6f722 | 2016-02-08 16:26:33 -0800 | [diff] [blame] | 203 | struct tm tm = MakeTm(); |
Christopher Ferris | 5e9f3d4 | 2016-01-19 10:33:03 -0800 | [diff] [blame] | 204 | time_t time = mktime(&tm); |
| 205 | ASSERT_EQ(0, writer.StartAlignedEntryWithTime("align.txt", 0, time, 4096)); |
| 206 | ASSERT_EQ(0, writer.WriteBytes("he", 2)); |
| 207 | ASSERT_EQ(0, writer.FinishEntry()); |
| 208 | ASSERT_EQ(0, writer.Finish()); |
| 209 | |
| 210 | ASSERT_GE(0, lseek(fd_, 0, SEEK_SET)); |
| 211 | |
| 212 | ZipArchiveHandle handle; |
| 213 | ASSERT_EQ(0, OpenArchiveFd(fd_, "temp", &handle, false)); |
| 214 | |
| 215 | ZipEntry data; |
| 216 | ASSERT_EQ(0, FindEntry(handle, ZipString("align.txt"), &data)); |
| 217 | EXPECT_EQ(0, data.offset & 0xfff); |
| 218 | |
Elliott Hughes | 55fd293 | 2017-05-28 22:59:04 -0700 | [diff] [blame] | 219 | struct tm mod = data.GetModificationTime(); |
Christopher Ferris | 5e9f3d4 | 2016-01-19 10:33:03 -0800 | [diff] [blame] | 220 | EXPECT_EQ(tm.tm_sec, mod.tm_sec); |
| 221 | EXPECT_EQ(tm.tm_min, mod.tm_min); |
| 222 | EXPECT_EQ(tm.tm_hour, mod.tm_hour); |
| 223 | EXPECT_EQ(tm.tm_mday, mod.tm_mday); |
| 224 | EXPECT_EQ(tm.tm_mon, mod.tm_mon); |
| 225 | EXPECT_EQ(tm.tm_year, mod.tm_year); |
| 226 | |
| 227 | CloseArchive(handle); |
| 228 | } |
| 229 | |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 230 | TEST_F(zipwriter, WriteCompressedZipWithOneFile) { |
| 231 | ZipWriter writer(file_); |
| 232 | |
| 233 | ASSERT_EQ(0, writer.StartEntry("file.txt", ZipWriter::kCompress)); |
| 234 | ASSERT_EQ(0, writer.WriteBytes("helo", 4)); |
| 235 | ASSERT_EQ(0, writer.FinishEntry()); |
| 236 | ASSERT_EQ(0, writer.Finish()); |
| 237 | |
| 238 | ASSERT_GE(0, lseek(fd_, 0, SEEK_SET)); |
| 239 | |
| 240 | ZipArchiveHandle handle; |
| 241 | ASSERT_EQ(0, OpenArchiveFd(fd_, "temp", &handle, false)); |
| 242 | |
| 243 | ZipEntry data; |
| 244 | ASSERT_EQ(0, FindEntry(handle, ZipString("file.txt"), &data)); |
| 245 | EXPECT_EQ(kCompressDeflated, data.method); |
Adam Lesinski | 537713b | 2017-03-16 13:23:51 -0700 | [diff] [blame] | 246 | ASSERT_EQ(4u, data.uncompressed_length); |
| 247 | ASSERT_TRUE(AssertFileEntryContentsEq("helo", handle, &data)); |
Adam Lesinski | 591fd39 | 2015-10-06 15:23:46 -0700 | [diff] [blame] | 248 | |
| 249 | CloseArchive(handle); |
Adam Lesinski | ad4ad8c | 2015-10-05 18:16:18 -0700 | [diff] [blame] | 250 | } |
Christopher Ferris | a2a32b0 | 2015-11-04 17:54:32 -0800 | [diff] [blame] | 251 | |
| 252 | TEST_F(zipwriter, WriteCompressedZipFlushFull) { |
| 253 | // This exact data will cause the Finish() to require multiple calls |
| 254 | // to deflate() because the ZipWriter buffer isn't big enough to hold |
| 255 | // the entire compressed data buffer. |
| 256 | constexpr size_t kBufSize = 10000000; |
| 257 | std::vector<uint8_t> buffer(kBufSize); |
| 258 | size_t prev = 1; |
| 259 | for (size_t i = 0; i < kBufSize; i++) { |
| 260 | buffer[i] = i + prev; |
| 261 | prev = i; |
| 262 | } |
| 263 | |
| 264 | ZipWriter writer(file_); |
| 265 | ASSERT_EQ(0, writer.StartEntry("file.txt", ZipWriter::kCompress)); |
| 266 | ASSERT_EQ(0, writer.WriteBytes(buffer.data(), buffer.size())); |
| 267 | ASSERT_EQ(0, writer.FinishEntry()); |
| 268 | ASSERT_EQ(0, writer.Finish()); |
| 269 | |
| 270 | ASSERT_GE(0, lseek(fd_, 0, SEEK_SET)); |
| 271 | |
| 272 | ZipArchiveHandle handle; |
| 273 | ASSERT_EQ(0, OpenArchiveFd(fd_, "temp", &handle, false)); |
| 274 | |
| 275 | ZipEntry data; |
| 276 | ASSERT_EQ(0, FindEntry(handle, ZipString("file.txt"), &data)); |
| 277 | EXPECT_EQ(kCompressDeflated, data.method); |
| 278 | EXPECT_EQ(kBufSize, data.uncompressed_length); |
| 279 | |
| 280 | std::vector<uint8_t> decompress(kBufSize); |
| 281 | memset(decompress.data(), 0, kBufSize); |
| 282 | ASSERT_EQ(0, ExtractToMemory(handle, &data, decompress.data(), decompress.size())); |
| 283 | EXPECT_EQ(0, memcmp(decompress.data(), buffer.data(), kBufSize)) |
| 284 | << "Input buffer and output buffer are different."; |
| 285 | |
| 286 | CloseArchive(handle); |
| 287 | } |
Christopher Ferris | 5e9f3d4 | 2016-01-19 10:33:03 -0800 | [diff] [blame] | 288 | |
| 289 | TEST_F(zipwriter, CheckStartEntryErrors) { |
| 290 | ZipWriter writer(file_); |
| 291 | |
| 292 | ASSERT_EQ(-5, writer.StartAlignedEntry("align.txt", ZipWriter::kAlign32, 4096)); |
| 293 | ASSERT_EQ(-6, writer.StartAlignedEntry("align.txt", 0, 3)); |
| 294 | } |
Adam Lesinski | 537713b | 2017-03-16 13:23:51 -0700 | [diff] [blame] | 295 | |
| 296 | TEST_F(zipwriter, BackupRemovesTheLastFile) { |
| 297 | ZipWriter writer(file_); |
| 298 | |
| 299 | const char* kKeepThis = "keep this"; |
| 300 | const char* kDropThis = "drop this"; |
| 301 | const char* kReplaceWithThis = "replace with this"; |
| 302 | |
| 303 | ZipWriter::FileEntry entry; |
| 304 | EXPECT_LT(writer.GetLastEntry(&entry), 0); |
| 305 | |
| 306 | ASSERT_EQ(0, writer.StartEntry("keep.txt", 0)); |
| 307 | ASSERT_EQ(0, writer.WriteBytes(kKeepThis, strlen(kKeepThis))); |
| 308 | ASSERT_EQ(0, writer.FinishEntry()); |
| 309 | |
| 310 | ASSERT_EQ(0, writer.GetLastEntry(&entry)); |
| 311 | EXPECT_EQ("keep.txt", entry.path); |
| 312 | |
| 313 | ASSERT_EQ(0, writer.StartEntry("drop.txt", 0)); |
| 314 | ASSERT_EQ(0, writer.WriteBytes(kDropThis, strlen(kDropThis))); |
| 315 | ASSERT_EQ(0, writer.FinishEntry()); |
| 316 | |
| 317 | ASSERT_EQ(0, writer.GetLastEntry(&entry)); |
| 318 | EXPECT_EQ("drop.txt", entry.path); |
| 319 | |
| 320 | ASSERT_EQ(0, writer.DiscardLastEntry()); |
| 321 | |
| 322 | ASSERT_EQ(0, writer.GetLastEntry(&entry)); |
| 323 | EXPECT_EQ("keep.txt", entry.path); |
| 324 | |
| 325 | ASSERT_EQ(0, writer.StartEntry("replace.txt", 0)); |
| 326 | ASSERT_EQ(0, writer.WriteBytes(kReplaceWithThis, strlen(kReplaceWithThis))); |
| 327 | ASSERT_EQ(0, writer.FinishEntry()); |
| 328 | |
| 329 | ASSERT_EQ(0, writer.GetLastEntry(&entry)); |
| 330 | EXPECT_EQ("replace.txt", entry.path); |
| 331 | |
| 332 | ASSERT_EQ(0, writer.Finish()); |
| 333 | |
| 334 | // Verify that "drop.txt" does not exist. |
| 335 | |
| 336 | ASSERT_GE(0, lseek(fd_, 0, SEEK_SET)); |
| 337 | |
| 338 | ZipArchiveHandle handle; |
| 339 | ASSERT_EQ(0, OpenArchiveFd(fd_, "temp", &handle, false)); |
| 340 | |
| 341 | ZipEntry data; |
| 342 | ASSERT_EQ(0, FindEntry(handle, ZipString("keep.txt"), &data)); |
| 343 | ASSERT_TRUE(AssertFileEntryContentsEq(kKeepThis, handle, &data)); |
| 344 | |
| 345 | ASSERT_NE(0, FindEntry(handle, ZipString("drop.txt"), &data)); |
| 346 | |
| 347 | ASSERT_EQ(0, FindEntry(handle, ZipString("replace.txt"), &data)); |
| 348 | ASSERT_TRUE(AssertFileEntryContentsEq(kReplaceWithThis, handle, &data)); |
| 349 | |
| 350 | CloseArchive(handle); |
| 351 | } |
| 352 | |
| 353 | TEST_F(zipwriter, TruncateFileAfterBackup) { |
| 354 | ZipWriter writer(file_); |
| 355 | |
| 356 | const char* kSmall = "small"; |
| 357 | |
| 358 | ASSERT_EQ(0, writer.StartEntry("small.txt", 0)); |
| 359 | ASSERT_EQ(0, writer.WriteBytes(kSmall, strlen(kSmall))); |
| 360 | ASSERT_EQ(0, writer.FinishEntry()); |
| 361 | |
| 362 | ASSERT_EQ(0, writer.StartEntry("large.txt", 0)); |
| 363 | std::vector<uint8_t> data; |
Jiyong Park | cd997e6 | 2017-06-30 17:23:33 +0900 | [diff] [blame] | 364 | data.resize(1024 * 1024, 0xef); |
Adam Lesinski | 537713b | 2017-03-16 13:23:51 -0700 | [diff] [blame] | 365 | ASSERT_EQ(0, writer.WriteBytes(data.data(), data.size())); |
| 366 | ASSERT_EQ(0, writer.FinishEntry()); |
| 367 | |
Adam Lesinski | b02d690 | 2017-03-23 11:57:05 -0700 | [diff] [blame] | 368 | off_t before_len = ftello(file_); |
Adam Lesinski | 537713b | 2017-03-16 13:23:51 -0700 | [diff] [blame] | 369 | |
| 370 | ZipWriter::FileEntry entry; |
| 371 | ASSERT_EQ(0, writer.GetLastEntry(&entry)); |
| 372 | ASSERT_EQ(0, writer.DiscardLastEntry()); |
| 373 | |
| 374 | ASSERT_EQ(0, writer.Finish()); |
| 375 | |
Adam Lesinski | b02d690 | 2017-03-23 11:57:05 -0700 | [diff] [blame] | 376 | off_t after_len = ftello(file_); |
Adam Lesinski | 537713b | 2017-03-16 13:23:51 -0700 | [diff] [blame] | 377 | |
| 378 | ASSERT_GT(before_len, after_len); |
| 379 | } |
| 380 | |
| 381 | static ::testing::AssertionResult AssertFileEntryContentsEq(const std::string& expected, |
| 382 | ZipArchiveHandle handle, |
| 383 | ZipEntry* zip_entry) { |
| 384 | if (expected.size() != zip_entry->uncompressed_length) { |
Jiyong Park | cd997e6 | 2017-06-30 17:23:33 +0900 | [diff] [blame] | 385 | return ::testing::AssertionFailure() |
| 386 | << "uncompressed entry size " << zip_entry->uncompressed_length |
| 387 | << " does not match expected size " << expected.size(); |
Adam Lesinski | 537713b | 2017-03-16 13:23:51 -0700 | [diff] [blame] | 388 | } |
| 389 | |
| 390 | std::string actual; |
| 391 | actual.resize(expected.size()); |
| 392 | |
| 393 | uint8_t* buffer = reinterpret_cast<uint8_t*>(&*actual.begin()); |
| 394 | if (ExtractToMemory(handle, zip_entry, buffer, actual.size()) != 0) { |
| 395 | return ::testing::AssertionFailure() << "failed to extract entry"; |
| 396 | } |
| 397 | |
| 398 | if (expected != actual) { |
| 399 | return ::testing::AssertionFailure() << "actual zip_entry data '" << actual |
Jiyong Park | cd997e6 | 2017-06-30 17:23:33 +0900 | [diff] [blame] | 400 | << "' does not match expected '" << expected << "'"; |
Adam Lesinski | 537713b | 2017-03-16 13:23:51 -0700 | [diff] [blame] | 401 | } |
| 402 | return ::testing::AssertionSuccess(); |
| 403 | } |