Don Garrett | f4b2874 | 2012-03-27 20:48:06 -0700 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
adlr@google.com | 3defe6a | 2009-12-04 20:57:17 +0000 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include <sys/types.h> |
| 6 | #include <sys/stat.h> |
| 7 | #include <fcntl.h> |
| 8 | #include <unistd.h> |
Thieu Le | 5c7d975 | 2010-12-15 16:09:28 -0800 | [diff] [blame] | 9 | |
Gilad Arnold | fa40450 | 2014-01-01 23:36:12 -0800 | [diff] [blame] | 10 | #include <map> |
Andrew de los Reyes | 4fe15d0 | 2009-12-10 19:01:36 -0800 | [diff] [blame] | 11 | #include <set> |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 12 | #include <sstream> |
adlr@google.com | 3defe6a | 2009-12-04 20:57:17 +0000 | [diff] [blame] | 13 | #include <string> |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 14 | #include <utility> |
adlr@google.com | 3defe6a | 2009-12-04 20:57:17 +0000 | [diff] [blame] | 15 | #include <vector> |
Thieu Le | 5c7d975 | 2010-12-15 16:09:28 -0800 | [diff] [blame] | 16 | |
| 17 | #include <base/logging.h> |
| 18 | #include <base/string_util.h> |
adlr@google.com | 3defe6a | 2009-12-04 20:57:17 +0000 | [diff] [blame] | 19 | #include <gtest/gtest.h> |
Thieu Le | 5c7d975 | 2010-12-15 16:09:28 -0800 | [diff] [blame] | 20 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 21 | #include "update_engine/cycle_breaker.h" |
adlr@google.com | 3defe6a | 2009-12-04 20:57:17 +0000 | [diff] [blame] | 22 | #include "update_engine/delta_diff_generator.h" |
Andrew de los Reyes | 09e56d6 | 2010-04-23 13:45:53 -0700 | [diff] [blame] | 23 | #include "update_engine/delta_performer.h" |
Gilad Arnold | fa40450 | 2014-01-01 23:36:12 -0800 | [diff] [blame] | 24 | #include "update_engine/extent_mapper.h" |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 25 | #include "update_engine/extent_ranges.h" |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 26 | #include "update_engine/graph_types.h" |
| 27 | #include "update_engine/graph_utils.h" |
adlr@google.com | 3defe6a | 2009-12-04 20:57:17 +0000 | [diff] [blame] | 28 | #include "update_engine/subprocess.h" |
| 29 | #include "update_engine/test_utils.h" |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 30 | #include "update_engine/topological_sort.h" |
adlr@google.com | 3defe6a | 2009-12-04 20:57:17 +0000 | [diff] [blame] | 31 | #include "update_engine/utils.h" |
| 32 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 33 | using std::make_pair; |
| 34 | using std::set; |
| 35 | using std::string; |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 36 | using std::stringstream; |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 37 | using std::vector; |
| 38 | |
adlr@google.com | 3defe6a | 2009-12-04 20:57:17 +0000 | [diff] [blame] | 39 | namespace chromeos_update_engine { |
| 40 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 41 | typedef DeltaDiffGenerator::Block Block; |
| 42 | |
Gilad Arnold | fa40450 | 2014-01-01 23:36:12 -0800 | [diff] [blame] | 43 | typedef bool (*GetExtentsWithChunk)(const std::string&, off_t, off_t, |
| 44 | std::vector<Extent>*); |
| 45 | extern GetExtentsWithChunk get_extents_with_chunk_func; |
| 46 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 47 | namespace { |
Andrew de los Reyes | 09e56d6 | 2010-04-23 13:45:53 -0700 | [diff] [blame] | 48 | int64_t BlocksInExtents( |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 49 | const google::protobuf::RepeatedPtrField<Extent>& extents) { |
Andrew de los Reyes | 09e56d6 | 2010-04-23 13:45:53 -0700 | [diff] [blame] | 50 | int64_t ret = 0; |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 51 | for (int i = 0; i < extents.size(); i++) { |
| 52 | ret += extents.Get(i).num_blocks(); |
| 53 | } |
| 54 | return ret; |
| 55 | } |
| 56 | } // namespace {} |
| 57 | |
| 58 | class DeltaDiffGeneratorTest : public ::testing::Test { |
| 59 | protected: |
Gilad Arnold | 99dcdc8 | 2013-07-16 03:00:20 -0700 | [diff] [blame] | 60 | const string& old_path() { return old_path_; } |
| 61 | const string& new_path() { return new_path_; } |
| 62 | |
| 63 | virtual void SetUp() { |
| 64 | ASSERT_TRUE(utils::MakeTempFile("DeltaDiffGeneratorTest-old_path-XXXXXX", |
| 65 | &old_path_, NULL)); |
| 66 | ASSERT_TRUE(utils::MakeTempFile("DeltaDiffGeneratorTest-new_path-XXXXXX", |
| 67 | &new_path_, NULL)); |
| 68 | } |
| 69 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 70 | virtual void TearDown() { |
| 71 | unlink(old_path().c_str()); |
| 72 | unlink(new_path().c_str()); |
| 73 | } |
Gilad Arnold | 99dcdc8 | 2013-07-16 03:00:20 -0700 | [diff] [blame] | 74 | |
| 75 | private: |
| 76 | string old_path_; |
| 77 | string new_path_; |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 78 | }; |
| 79 | |
| 80 | TEST_F(DeltaDiffGeneratorTest, RunAsRootMoveSmallTest) { |
| 81 | EXPECT_TRUE(utils::WriteFile(old_path().c_str(), |
| 82 | reinterpret_cast<const char*>(kRandomString), |
| 83 | sizeof(kRandomString))); |
| 84 | EXPECT_TRUE(utils::WriteFile(new_path().c_str(), |
| 85 | reinterpret_cast<const char*>(kRandomString), |
| 86 | sizeof(kRandomString))); |
| 87 | vector<char> data; |
| 88 | DeltaArchiveManifest_InstallOperation op; |
| 89 | EXPECT_TRUE(DeltaDiffGenerator::ReadFileToDiff(old_path(), |
| 90 | new_path(), |
Darin Petkov | 8e447e0 | 2013-04-16 16:23:50 +0200 | [diff] [blame] | 91 | 0, // chunk_offset |
| 92 | -1, // chunk_size |
Don Garrett | 36e6077 | 2012-03-29 10:31:20 -0700 | [diff] [blame] | 93 | true, // bsdiff_allowed |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 94 | &data, |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 95 | &op, |
| 96 | true)); |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 97 | EXPECT_TRUE(data.empty()); |
| 98 | |
| 99 | EXPECT_TRUE(op.has_type()); |
| 100 | EXPECT_EQ(DeltaArchiveManifest_InstallOperation_Type_MOVE, op.type()); |
| 101 | EXPECT_FALSE(op.has_data_offset()); |
| 102 | EXPECT_FALSE(op.has_data_length()); |
| 103 | EXPECT_EQ(1, op.src_extents_size()); |
| 104 | EXPECT_EQ(sizeof(kRandomString), op.src_length()); |
| 105 | EXPECT_EQ(1, op.dst_extents_size()); |
| 106 | EXPECT_EQ(sizeof(kRandomString), op.dst_length()); |
| 107 | EXPECT_EQ(BlocksInExtents(op.src_extents()), |
| 108 | BlocksInExtents(op.dst_extents())); |
| 109 | EXPECT_EQ(1, BlocksInExtents(op.dst_extents())); |
| 110 | } |
| 111 | |
Gilad Arnold | fa40450 | 2014-01-01 23:36:12 -0800 | [diff] [blame] | 112 | std::map<string, vector<Extent>*> fake_file_extents; |
| 113 | |
| 114 | bool FakeGetExtents(const string& path, off_t chunk_offset, off_t chunk_size, |
| 115 | vector<Extent>* out) { |
| 116 | if (fake_file_extents.count(path) == 1) { |
| 117 | *out = *fake_file_extents[path]; |
| 118 | return true; |
| 119 | } else { |
| 120 | return false; |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | uint64_t AddExtent(uint64_t start_block, uint64_t num_blocks, |
| 125 | vector<Extent>* extents) { |
| 126 | Extent e; |
| 127 | e.set_start_block(start_block); |
| 128 | e.set_num_blocks(num_blocks); |
| 129 | extents->push_back(e); |
| 130 | return num_blocks; |
| 131 | } |
| 132 | |
| 133 | TEST_F(DeltaDiffGeneratorTest, RunAsRootMoveWithSameBlock) { |
| 134 | // Mock out the extent gathering function. |
| 135 | GetExtentsWithChunk orig_get_extents_with_chunk_func = |
| 136 | get_extents_with_chunk_func; |
| 137 | get_extents_with_chunk_func = FakeGetExtents; |
| 138 | |
| 139 | // Setup the old/new files so that it has immobile chunks; we make sure to |
| 140 | // utilize all sub-cases of such chunks: blocks 21--22 induce a split (src) |
| 141 | // and complete removal (dst), whereas blocks 24--25 induce trimming of the |
Gilad Arnold | ebca571 | 2014-01-10 14:26:37 -0800 | [diff] [blame] | 142 | // tail (src) and head (dst) of extents. The final block (29) is used for |
| 143 | // ensuring we properly account for the number of bytes removed in cases where |
| 144 | // the last block is partly filled. The detailed configuration: |
Gilad Arnold | fa40450 | 2014-01-01 23:36:12 -0800 | [diff] [blame] | 145 | // |
Gilad Arnold | ebca571 | 2014-01-10 14:26:37 -0800 | [diff] [blame] | 146 | // Old: [ 20 21 22 23 24 25 ] [ 28 29 ] |
| 147 | // New: [ 18 ] [ 21 22 ] [ 20 ] [ 24 25 26 ] [ 29 ] |
| 148 | // Same: ^^ ^^ ^^ ^^ ^^ |
Gilad Arnold | fa40450 | 2014-01-01 23:36:12 -0800 | [diff] [blame] | 149 | vector<Extent> old_extents; |
| 150 | uint64_t num_extents = 0; |
| 151 | num_extents += AddExtent(20, 6, &old_extents); |
Gilad Arnold | ebca571 | 2014-01-10 14:26:37 -0800 | [diff] [blame] | 152 | num_extents += AddExtent(28, 2, &old_extents); |
Gilad Arnold | fa40450 | 2014-01-01 23:36:12 -0800 | [diff] [blame] | 153 | fake_file_extents[old_path()] = &old_extents; |
| 154 | vector<Extent> new_extents; |
| 155 | AddExtent(18, 1, &new_extents); |
| 156 | AddExtent(21, 2, &new_extents); |
| 157 | AddExtent(20, 1, &new_extents); |
| 158 | AddExtent(24, 3, &new_extents); |
Gilad Arnold | ebca571 | 2014-01-10 14:26:37 -0800 | [diff] [blame] | 159 | AddExtent(29, 1, &new_extents); |
Gilad Arnold | fa40450 | 2014-01-01 23:36:12 -0800 | [diff] [blame] | 160 | fake_file_extents[new_path()] = &new_extents; |
| 161 | |
Gilad Arnold | ebca571 | 2014-01-10 14:26:37 -0800 | [diff] [blame] | 162 | // The size of the data should match the total number of blocks; the last |
| 163 | // block is only partly filled. |
| 164 | size_t file_len = 7 * 4096 + 3333; |
Gilad Arnold | fa40450 | 2014-01-01 23:36:12 -0800 | [diff] [blame] | 165 | const string random_string(reinterpret_cast<const char*>(kRandomString), |
| 166 | sizeof(kRandomString)); |
| 167 | string random_data; |
| 168 | while (random_data.size() < file_len) |
| 169 | random_data += random_string; |
| 170 | if (random_data.size() > file_len) |
| 171 | random_data.erase(file_len); |
| 172 | EXPECT_TRUE(utils::WriteFile(old_path().c_str(), |
| 173 | random_data.c_str(), file_len)); |
| 174 | EXPECT_TRUE(utils::WriteFile(new_path().c_str(), |
| 175 | random_data.c_str(), file_len)); |
| 176 | |
| 177 | vector<char> data; |
| 178 | DeltaArchiveManifest_InstallOperation op; |
| 179 | EXPECT_TRUE(DeltaDiffGenerator::ReadFileToDiff(old_path(), |
| 180 | new_path(), |
| 181 | 0, // chunk_offset |
| 182 | -1, // chunk_size |
| 183 | true, // bsdiff_allowed |
| 184 | &data, |
| 185 | &op, |
| 186 | true)); |
| 187 | |
| 188 | // Adjust the old/new extents to remove duplicates. |
| 189 | old_extents[0].set_num_blocks(1); |
| 190 | Extent e; |
| 191 | e.set_start_block(23); |
| 192 | e.set_num_blocks(1); |
| 193 | old_extents.insert(old_extents.begin() + 1, e); |
Gilad Arnold | ebca571 | 2014-01-10 14:26:37 -0800 | [diff] [blame] | 194 | old_extents[2].set_num_blocks(1); |
Gilad Arnold | fa40450 | 2014-01-01 23:36:12 -0800 | [diff] [blame] | 195 | new_extents.erase(new_extents.begin() + 1); |
| 196 | new_extents[2].set_start_block(26); |
| 197 | new_extents[2].set_num_blocks(1); |
Gilad Arnold | ebca571 | 2014-01-10 14:26:37 -0800 | [diff] [blame] | 198 | new_extents.erase(new_extents.begin() + 3); |
| 199 | num_extents -= 5; |
| 200 | file_len -= 4 * 4096 + 3333; |
Gilad Arnold | fa40450 | 2014-01-01 23:36:12 -0800 | [diff] [blame] | 201 | |
| 202 | EXPECT_TRUE(data.empty()); |
| 203 | |
| 204 | EXPECT_TRUE(op.has_type()); |
| 205 | EXPECT_EQ(DeltaArchiveManifest_InstallOperation_Type_MOVE, op.type()); |
| 206 | EXPECT_FALSE(op.has_data_offset()); |
| 207 | EXPECT_FALSE(op.has_data_length()); |
| 208 | |
| 209 | EXPECT_EQ(file_len, op.src_length()); |
| 210 | EXPECT_EQ(num_extents, BlocksInExtents(op.src_extents())); |
| 211 | EXPECT_EQ(old_extents.size(), op.src_extents_size()); |
| 212 | for (int i = 0; i < op.src_extents_size(); i++) { |
| 213 | EXPECT_EQ(old_extents[i].start_block(), op.src_extents(i).start_block()) |
| 214 | << "i == " << i; |
| 215 | EXPECT_EQ(old_extents[i].num_blocks(), op.src_extents(i).num_blocks()) |
| 216 | << "i == " << i; |
| 217 | } |
| 218 | |
| 219 | EXPECT_EQ(file_len, op.dst_length()); |
| 220 | EXPECT_EQ(num_extents, BlocksInExtents(op.dst_extents())); |
| 221 | EXPECT_EQ(new_extents.size(), op.dst_extents_size()); |
| 222 | for (int i = 0; i < op.dst_extents_size(); i++) { |
| 223 | EXPECT_EQ(new_extents[i].start_block(), op.dst_extents(i).start_block()) |
| 224 | << "i == " << i; |
| 225 | EXPECT_EQ(new_extents[i].num_blocks(), op.dst_extents(i).num_blocks()) |
| 226 | << "i == " << i; |
| 227 | } |
| 228 | |
| 229 | // Clean up fake extents and restore the module's extent gathering logic. |
| 230 | fake_file_extents.clear(); |
| 231 | get_extents_with_chunk_func = orig_get_extents_with_chunk_func; |
| 232 | } |
| 233 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 234 | TEST_F(DeltaDiffGeneratorTest, RunAsRootBsdiffSmallTest) { |
| 235 | EXPECT_TRUE(utils::WriteFile(old_path().c_str(), |
| 236 | reinterpret_cast<const char*>(kRandomString), |
| 237 | sizeof(kRandomString) - 1)); |
| 238 | EXPECT_TRUE(utils::WriteFile(new_path().c_str(), |
| 239 | reinterpret_cast<const char*>(kRandomString), |
| 240 | sizeof(kRandomString))); |
| 241 | vector<char> data; |
| 242 | DeltaArchiveManifest_InstallOperation op; |
| 243 | EXPECT_TRUE(DeltaDiffGenerator::ReadFileToDiff(old_path(), |
| 244 | new_path(), |
Darin Petkov | 8e447e0 | 2013-04-16 16:23:50 +0200 | [diff] [blame] | 245 | 0, // chunk_offset |
| 246 | -1, // chunk_size |
Don Garrett | 36e6077 | 2012-03-29 10:31:20 -0700 | [diff] [blame] | 247 | true, // bsdiff_allowed |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 248 | &data, |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 249 | &op, |
| 250 | true)); |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 251 | EXPECT_FALSE(data.empty()); |
| 252 | |
| 253 | EXPECT_TRUE(op.has_type()); |
| 254 | EXPECT_EQ(DeltaArchiveManifest_InstallOperation_Type_BSDIFF, op.type()); |
| 255 | EXPECT_FALSE(op.has_data_offset()); |
| 256 | EXPECT_FALSE(op.has_data_length()); |
| 257 | EXPECT_EQ(1, op.src_extents_size()); |
| 258 | EXPECT_EQ(sizeof(kRandomString) - 1, op.src_length()); |
| 259 | EXPECT_EQ(1, op.dst_extents_size()); |
| 260 | EXPECT_EQ(sizeof(kRandomString), op.dst_length()); |
| 261 | EXPECT_EQ(BlocksInExtents(op.src_extents()), |
| 262 | BlocksInExtents(op.dst_extents())); |
| 263 | EXPECT_EQ(1, BlocksInExtents(op.dst_extents())); |
| 264 | } |
| 265 | |
Don Garrett | 36e6077 | 2012-03-29 10:31:20 -0700 | [diff] [blame] | 266 | TEST_F(DeltaDiffGeneratorTest, RunAsRootBsdiffNotAllowedTest) { |
Don Garrett | f4b2874 | 2012-03-27 20:48:06 -0700 | [diff] [blame] | 267 | EXPECT_TRUE(utils::WriteFile(old_path().c_str(), |
| 268 | reinterpret_cast<const char*>(kRandomString), |
| 269 | sizeof(kRandomString) - 1)); |
| 270 | EXPECT_TRUE(utils::WriteFile(new_path().c_str(), |
| 271 | reinterpret_cast<const char*>(kRandomString), |
| 272 | sizeof(kRandomString))); |
| 273 | vector<char> data; |
| 274 | DeltaArchiveManifest_InstallOperation op; |
| 275 | |
Don Garrett | f4b2874 | 2012-03-27 20:48:06 -0700 | [diff] [blame] | 276 | EXPECT_TRUE(DeltaDiffGenerator::ReadFileToDiff(old_path(), |
| 277 | new_path(), |
Darin Petkov | 8e447e0 | 2013-04-16 16:23:50 +0200 | [diff] [blame] | 278 | 0, // chunk_offset |
| 279 | -1, // chunk_size |
Don Garrett | 36e6077 | 2012-03-29 10:31:20 -0700 | [diff] [blame] | 280 | false, // bsdiff_allowed |
Don Garrett | f4b2874 | 2012-03-27 20:48:06 -0700 | [diff] [blame] | 281 | &data, |
| 282 | &op, |
| 283 | true)); |
| 284 | EXPECT_FALSE(data.empty()); |
| 285 | |
| 286 | // The point of this test is that we don't use BSDIFF the way the above |
| 287 | // did. The rest of the details are to be caught in other tests. |
| 288 | EXPECT_TRUE(op.has_type()); |
| 289 | EXPECT_NE(DeltaArchiveManifest_InstallOperation_Type_BSDIFF, op.type()); |
| 290 | } |
| 291 | |
Don Garrett | 36e6077 | 2012-03-29 10:31:20 -0700 | [diff] [blame] | 292 | TEST_F(DeltaDiffGeneratorTest, RunAsRootBsdiffNotAllowedMoveTest) { |
Don Garrett | f4b2874 | 2012-03-27 20:48:06 -0700 | [diff] [blame] | 293 | EXPECT_TRUE(utils::WriteFile(old_path().c_str(), |
| 294 | reinterpret_cast<const char*>(kRandomString), |
| 295 | sizeof(kRandomString))); |
| 296 | EXPECT_TRUE(utils::WriteFile(new_path().c_str(), |
| 297 | reinterpret_cast<const char*>(kRandomString), |
| 298 | sizeof(kRandomString))); |
| 299 | vector<char> data; |
| 300 | DeltaArchiveManifest_InstallOperation op; |
| 301 | |
Don Garrett | f4b2874 | 2012-03-27 20:48:06 -0700 | [diff] [blame] | 302 | EXPECT_TRUE(DeltaDiffGenerator::ReadFileToDiff(old_path(), |
| 303 | new_path(), |
Darin Petkov | 8e447e0 | 2013-04-16 16:23:50 +0200 | [diff] [blame] | 304 | 0, // chunk_offset |
| 305 | -1, // chunk_size |
Don Garrett | 36e6077 | 2012-03-29 10:31:20 -0700 | [diff] [blame] | 306 | false, // bsdiff_allowed |
Don Garrett | f4b2874 | 2012-03-27 20:48:06 -0700 | [diff] [blame] | 307 | &data, |
| 308 | &op, |
| 309 | true)); |
| 310 | EXPECT_TRUE(data.empty()); |
| 311 | |
| 312 | // The point of this test is that we can still use a MOVE for a file |
| 313 | // that is blacklisted. |
| 314 | EXPECT_TRUE(op.has_type()); |
| 315 | EXPECT_EQ(DeltaArchiveManifest_InstallOperation_Type_MOVE, op.type()); |
| 316 | } |
| 317 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 318 | TEST_F(DeltaDiffGeneratorTest, RunAsRootReplaceSmallTest) { |
| 319 | vector<char> new_data; |
| 320 | for (int i = 0; i < 2; i++) { |
| 321 | new_data.insert(new_data.end(), |
| 322 | kRandomString, |
| 323 | kRandomString + sizeof(kRandomString)); |
| 324 | EXPECT_TRUE(utils::WriteFile(new_path().c_str(), |
| 325 | &new_data[0], |
| 326 | new_data.size())); |
| 327 | vector<char> data; |
| 328 | DeltaArchiveManifest_InstallOperation op; |
| 329 | EXPECT_TRUE(DeltaDiffGenerator::ReadFileToDiff(old_path(), |
| 330 | new_path(), |
Darin Petkov | 8e447e0 | 2013-04-16 16:23:50 +0200 | [diff] [blame] | 331 | 0, // chunk_offset |
| 332 | -1, // chunk_size |
Don Garrett | 36e6077 | 2012-03-29 10:31:20 -0700 | [diff] [blame] | 333 | true, // bsdiff_allowed |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 334 | &data, |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 335 | &op, |
| 336 | true)); |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 337 | EXPECT_FALSE(data.empty()); |
| 338 | |
| 339 | EXPECT_TRUE(op.has_type()); |
| 340 | const DeltaArchiveManifest_InstallOperation_Type expected_type = |
| 341 | (i == 0 ? DeltaArchiveManifest_InstallOperation_Type_REPLACE : |
| 342 | DeltaArchiveManifest_InstallOperation_Type_REPLACE_BZ); |
| 343 | EXPECT_EQ(expected_type, op.type()); |
| 344 | EXPECT_FALSE(op.has_data_offset()); |
| 345 | EXPECT_FALSE(op.has_data_length()); |
| 346 | EXPECT_EQ(0, op.src_extents_size()); |
| 347 | EXPECT_FALSE(op.has_src_length()); |
| 348 | EXPECT_EQ(1, op.dst_extents_size()); |
| 349 | EXPECT_EQ(new_data.size(), op.dst_length()); |
| 350 | EXPECT_EQ(1, BlocksInExtents(op.dst_extents())); |
| 351 | } |
| 352 | } |
| 353 | |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 354 | TEST_F(DeltaDiffGeneratorTest, RunAsRootBsdiffNoGatherExtentsSmallTest) { |
| 355 | EXPECT_TRUE(utils::WriteFile(old_path().c_str(), |
| 356 | reinterpret_cast<const char*>(kRandomString), |
| 357 | sizeof(kRandomString) - 1)); |
| 358 | EXPECT_TRUE(utils::WriteFile(new_path().c_str(), |
| 359 | reinterpret_cast<const char*>(kRandomString), |
| 360 | sizeof(kRandomString))); |
| 361 | vector<char> data; |
| 362 | DeltaArchiveManifest_InstallOperation op; |
| 363 | EXPECT_TRUE(DeltaDiffGenerator::ReadFileToDiff(old_path(), |
| 364 | new_path(), |
Darin Petkov | 8e447e0 | 2013-04-16 16:23:50 +0200 | [diff] [blame] | 365 | 0, // chunk_offset |
| 366 | -1, // chunk_size |
Don Garrett | 36e6077 | 2012-03-29 10:31:20 -0700 | [diff] [blame] | 367 | true, // bsdiff_allowed |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 368 | &data, |
| 369 | &op, |
| 370 | false)); |
| 371 | EXPECT_FALSE(data.empty()); |
| 372 | |
| 373 | EXPECT_TRUE(op.has_type()); |
| 374 | EXPECT_EQ(DeltaArchiveManifest_InstallOperation_Type_BSDIFF, op.type()); |
| 375 | EXPECT_FALSE(op.has_data_offset()); |
| 376 | EXPECT_FALSE(op.has_data_length()); |
| 377 | EXPECT_EQ(1, op.src_extents_size()); |
| 378 | EXPECT_EQ(0, op.src_extents().Get(0).start_block()); |
| 379 | EXPECT_EQ(1, op.src_extents().Get(0).num_blocks()); |
| 380 | EXPECT_EQ(sizeof(kRandomString) - 1, op.src_length()); |
| 381 | EXPECT_EQ(1, op.dst_extents_size()); |
| 382 | EXPECT_EQ(0, op.dst_extents().Get(0).start_block()); |
| 383 | EXPECT_EQ(1, op.dst_extents().Get(0).num_blocks()); |
| 384 | EXPECT_EQ(sizeof(kRandomString), op.dst_length()); |
| 385 | } |
| 386 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 387 | namespace { |
Andrew de los Reyes | 09e56d6 | 2010-04-23 13:45:53 -0700 | [diff] [blame] | 388 | void AppendExtent(vector<Extent>* vect, uint64_t start, uint64_t length) { |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 389 | vect->resize(vect->size() + 1); |
| 390 | vect->back().set_start_block(start); |
| 391 | vect->back().set_num_blocks(length); |
| 392 | } |
| 393 | void OpAppendExtent(DeltaArchiveManifest_InstallOperation* op, |
Andrew de los Reyes | 09e56d6 | 2010-04-23 13:45:53 -0700 | [diff] [blame] | 394 | uint64_t start, |
| 395 | uint64_t length) { |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 396 | Extent* extent = op->add_src_extents(); |
| 397 | extent->set_start_block(start); |
| 398 | extent->set_num_blocks(length); |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | TEST_F(DeltaDiffGeneratorTest, SubstituteBlocksTest) { |
| 403 | vector<Extent> remove_blocks; |
| 404 | AppendExtent(&remove_blocks, 3, 3); |
| 405 | AppendExtent(&remove_blocks, 7, 1); |
| 406 | vector<Extent> replace_blocks; |
| 407 | AppendExtent(&replace_blocks, 10, 2); |
| 408 | AppendExtent(&replace_blocks, 13, 2); |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 409 | Vertex vertex; |
| 410 | DeltaArchiveManifest_InstallOperation& op = vertex.op; |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 411 | OpAppendExtent(&op, 4, 3); |
| 412 | OpAppendExtent(&op, kSparseHole, 4); // Sparse hole in file |
| 413 | OpAppendExtent(&op, 3, 1); |
| 414 | OpAppendExtent(&op, 7, 3); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 415 | |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 416 | DeltaDiffGenerator::SubstituteBlocks(&vertex, remove_blocks, replace_blocks); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 417 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 418 | EXPECT_EQ(7, op.src_extents_size()); |
| 419 | EXPECT_EQ(11, op.src_extents(0).start_block()); |
| 420 | EXPECT_EQ(1, op.src_extents(0).num_blocks()); |
| 421 | EXPECT_EQ(13, op.src_extents(1).start_block()); |
| 422 | EXPECT_EQ(1, op.src_extents(1).num_blocks()); |
| 423 | EXPECT_EQ(6, op.src_extents(2).start_block()); |
| 424 | EXPECT_EQ(1, op.src_extents(2).num_blocks()); |
| 425 | EXPECT_EQ(kSparseHole, op.src_extents(3).start_block()); |
| 426 | EXPECT_EQ(4, op.src_extents(3).num_blocks()); |
| 427 | EXPECT_EQ(10, op.src_extents(4).start_block()); |
| 428 | EXPECT_EQ(1, op.src_extents(4).num_blocks()); |
| 429 | EXPECT_EQ(14, op.src_extents(5).start_block()); |
| 430 | EXPECT_EQ(1, op.src_extents(5).num_blocks()); |
| 431 | EXPECT_EQ(8, op.src_extents(6).start_block()); |
| 432 | EXPECT_EQ(2, op.src_extents(6).num_blocks()); |
| 433 | } |
| 434 | |
| 435 | TEST_F(DeltaDiffGeneratorTest, CutEdgesTest) { |
| 436 | Graph graph; |
| 437 | vector<Block> blocks(9); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 438 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 439 | // Create nodes in graph |
| 440 | { |
| 441 | graph.resize(graph.size() + 1); |
| 442 | graph.back().op.set_type(DeltaArchiveManifest_InstallOperation_Type_MOVE); |
| 443 | // Reads from blocks 3, 5, 7 |
| 444 | vector<Extent> extents; |
| 445 | graph_utils::AppendBlockToExtents(&extents, 3); |
| 446 | graph_utils::AppendBlockToExtents(&extents, 5); |
| 447 | graph_utils::AppendBlockToExtents(&extents, 7); |
| 448 | DeltaDiffGenerator::StoreExtents(extents, |
| 449 | graph.back().op.mutable_src_extents()); |
| 450 | blocks[3].reader = graph.size() - 1; |
| 451 | blocks[5].reader = graph.size() - 1; |
| 452 | blocks[7].reader = graph.size() - 1; |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 453 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 454 | // Writes to blocks 1, 2, 4 |
| 455 | extents.clear(); |
| 456 | graph_utils::AppendBlockToExtents(&extents, 1); |
| 457 | graph_utils::AppendBlockToExtents(&extents, 2); |
| 458 | graph_utils::AppendBlockToExtents(&extents, 4); |
| 459 | DeltaDiffGenerator::StoreExtents(extents, |
| 460 | graph.back().op.mutable_dst_extents()); |
| 461 | blocks[1].writer = graph.size() - 1; |
| 462 | blocks[2].writer = graph.size() - 1; |
| 463 | blocks[4].writer = graph.size() - 1; |
| 464 | } |
| 465 | { |
| 466 | graph.resize(graph.size() + 1); |
| 467 | graph.back().op.set_type(DeltaArchiveManifest_InstallOperation_Type_MOVE); |
| 468 | // Reads from blocks 1, 2, 4 |
| 469 | vector<Extent> extents; |
| 470 | graph_utils::AppendBlockToExtents(&extents, 1); |
| 471 | graph_utils::AppendBlockToExtents(&extents, 2); |
| 472 | graph_utils::AppendBlockToExtents(&extents, 4); |
| 473 | DeltaDiffGenerator::StoreExtents(extents, |
| 474 | graph.back().op.mutable_src_extents()); |
| 475 | blocks[1].reader = graph.size() - 1; |
| 476 | blocks[2].reader = graph.size() - 1; |
| 477 | blocks[4].reader = graph.size() - 1; |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 478 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 479 | // Writes to blocks 3, 5, 6 |
| 480 | extents.clear(); |
| 481 | graph_utils::AppendBlockToExtents(&extents, 3); |
| 482 | graph_utils::AppendBlockToExtents(&extents, 5); |
| 483 | graph_utils::AppendBlockToExtents(&extents, 6); |
| 484 | DeltaDiffGenerator::StoreExtents(extents, |
| 485 | graph.back().op.mutable_dst_extents()); |
| 486 | blocks[3].writer = graph.size() - 1; |
| 487 | blocks[5].writer = graph.size() - 1; |
| 488 | blocks[6].writer = graph.size() - 1; |
| 489 | } |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 490 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 491 | // Create edges |
| 492 | DeltaDiffGenerator::CreateEdges(&graph, blocks); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 493 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 494 | // Find cycles |
| 495 | CycleBreaker cycle_breaker; |
| 496 | set<Edge> cut_edges; |
| 497 | cycle_breaker.BreakCycles(graph, &cut_edges); |
| 498 | |
| 499 | EXPECT_EQ(1, cut_edges.size()); |
| 500 | EXPECT_TRUE(cut_edges.end() != cut_edges.find(make_pair<Vertex::Index>(1, |
| 501 | 0))); |
| 502 | |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 503 | vector<CutEdgeVertexes> cuts; |
| 504 | EXPECT_TRUE(DeltaDiffGenerator::CutEdges(&graph, cut_edges, &cuts)); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 505 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 506 | EXPECT_EQ(3, graph.size()); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 507 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 508 | // Check new node in graph: |
| 509 | EXPECT_EQ(DeltaArchiveManifest_InstallOperation_Type_MOVE, |
| 510 | graph.back().op.type()); |
| 511 | EXPECT_EQ(2, graph.back().op.src_extents_size()); |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 512 | EXPECT_EQ(1, graph.back().op.dst_extents_size()); |
| 513 | EXPECT_EQ(kTempBlockStart, graph.back().op.dst_extents(0).start_block()); |
| 514 | EXPECT_EQ(2, graph.back().op.dst_extents(0).num_blocks()); |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 515 | EXPECT_TRUE(graph.back().out_edges.empty()); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 516 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 517 | // Check that old node reads from new blocks |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 518 | EXPECT_EQ(2, graph[0].op.src_extents_size()); |
| 519 | EXPECT_EQ(kTempBlockStart, graph[0].op.src_extents(0).start_block()); |
| 520 | EXPECT_EQ(2, graph[0].op.src_extents(0).num_blocks()); |
| 521 | EXPECT_EQ(7, graph[0].op.src_extents(1).start_block()); |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 522 | EXPECT_EQ(1, graph[0].op.src_extents(1).num_blocks()); |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 523 | |
| 524 | // And that the old dst extents haven't changed |
| 525 | EXPECT_EQ(2, graph[0].op.dst_extents_size()); |
| 526 | EXPECT_EQ(1, graph[0].op.dst_extents(0).start_block()); |
| 527 | EXPECT_EQ(2, graph[0].op.dst_extents(0).num_blocks()); |
| 528 | EXPECT_EQ(4, graph[0].op.dst_extents(1).start_block()); |
| 529 | EXPECT_EQ(1, graph[0].op.dst_extents(1).num_blocks()); |
Andrew de los Reyes | d12784c | 2010-07-26 13:55:14 -0700 | [diff] [blame] | 530 | |
| 531 | // Ensure it only depends on the next node and the new temp node |
| 532 | EXPECT_EQ(2, graph[0].out_edges.size()); |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 533 | EXPECT_TRUE(graph[0].out_edges.end() != graph[0].out_edges.find(1)); |
Andrew de los Reyes | d12784c | 2010-07-26 13:55:14 -0700 | [diff] [blame] | 534 | EXPECT_TRUE(graph[0].out_edges.end() != graph[0].out_edges.find(graph.size() - |
| 535 | 1)); |
| 536 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 537 | // Check second node has unchanged extents |
| 538 | EXPECT_EQ(2, graph[1].op.src_extents_size()); |
| 539 | EXPECT_EQ(1, graph[1].op.src_extents(0).start_block()); |
| 540 | EXPECT_EQ(2, graph[1].op.src_extents(0).num_blocks()); |
| 541 | EXPECT_EQ(4, graph[1].op.src_extents(1).start_block()); |
| 542 | EXPECT_EQ(1, graph[1].op.src_extents(1).num_blocks()); |
| 543 | |
| 544 | EXPECT_EQ(2, graph[1].op.dst_extents_size()); |
| 545 | EXPECT_EQ(3, graph[1].op.dst_extents(0).start_block()); |
| 546 | EXPECT_EQ(1, graph[1].op.dst_extents(0).num_blocks()); |
| 547 | EXPECT_EQ(5, graph[1].op.dst_extents(1).start_block()); |
| 548 | EXPECT_EQ(2, graph[1].op.dst_extents(1).num_blocks()); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 549 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 550 | // Ensure it only depends on the next node |
| 551 | EXPECT_EQ(1, graph[1].out_edges.size()); |
| 552 | EXPECT_TRUE(graph[1].out_edges.end() != graph[1].out_edges.find(2)); |
| 553 | } |
| 554 | |
| 555 | TEST_F(DeltaDiffGeneratorTest, ReorderBlobsTest) { |
| 556 | string orig_blobs; |
| 557 | EXPECT_TRUE( |
| 558 | utils::MakeTempFile("ReorderBlobsTest.orig.XXXXXX", &orig_blobs, NULL)); |
| 559 | |
| 560 | string orig_data = "abcd"; |
| 561 | EXPECT_TRUE( |
| 562 | utils::WriteFile(orig_blobs.c_str(), orig_data.data(), orig_data.size())); |
| 563 | |
| 564 | string new_blobs; |
| 565 | EXPECT_TRUE( |
| 566 | utils::MakeTempFile("ReorderBlobsTest.new.XXXXXX", &new_blobs, NULL)); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 567 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 568 | DeltaArchiveManifest manifest; |
| 569 | DeltaArchiveManifest_InstallOperation* op = |
| 570 | manifest.add_install_operations(); |
| 571 | op->set_data_offset(1); |
| 572 | op->set_data_length(3); |
| 573 | op = manifest.add_install_operations(); |
| 574 | op->set_data_offset(0); |
| 575 | op->set_data_length(1); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 576 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 577 | EXPECT_TRUE(DeltaDiffGenerator::ReorderDataBlobs(&manifest, |
| 578 | orig_blobs, |
| 579 | new_blobs)); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 580 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 581 | string new_data; |
Gilad Arnold | 19a45f0 | 2012-07-19 12:36:10 -0700 | [diff] [blame] | 582 | EXPECT_TRUE(utils::ReadFile(new_blobs, &new_data)); |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 583 | EXPECT_EQ("bcda", new_data); |
| 584 | EXPECT_EQ(2, manifest.install_operations_size()); |
| 585 | EXPECT_EQ(0, manifest.install_operations(0).data_offset()); |
| 586 | EXPECT_EQ(3, manifest.install_operations(0).data_length()); |
| 587 | EXPECT_EQ(3, manifest.install_operations(1).data_offset()); |
| 588 | EXPECT_EQ(1, manifest.install_operations(1).data_length()); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 589 | |
Andrew de los Reyes | b10320d | 2010-03-31 16:44:44 -0700 | [diff] [blame] | 590 | unlink(orig_blobs.c_str()); |
| 591 | unlink(new_blobs.c_str()); |
| 592 | } |
adlr@google.com | 3defe6a | 2009-12-04 20:57:17 +0000 | [diff] [blame] | 593 | |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 594 | TEST_F(DeltaDiffGeneratorTest, MoveFullOpsToBackTest) { |
| 595 | Graph graph(4); |
| 596 | graph[0].file_name = "A"; |
| 597 | graph[0].op.set_type(DeltaArchiveManifest_InstallOperation_Type_REPLACE); |
| 598 | graph[1].file_name = "B"; |
| 599 | graph[1].op.set_type(DeltaArchiveManifest_InstallOperation_Type_BSDIFF); |
| 600 | graph[2].file_name = "C"; |
| 601 | graph[2].op.set_type(DeltaArchiveManifest_InstallOperation_Type_REPLACE_BZ); |
| 602 | graph[3].file_name = "D"; |
| 603 | graph[3].op.set_type(DeltaArchiveManifest_InstallOperation_Type_MOVE); |
| 604 | |
| 605 | vector<Vertex::Index> vect(graph.size()); |
| 606 | |
| 607 | for (vector<Vertex::Index>::size_type i = 0; i < vect.size(); ++i) { |
| 608 | vect[i] = i; |
| 609 | } |
| 610 | DeltaDiffGenerator::MoveFullOpsToBack(&graph, &vect); |
| 611 | EXPECT_EQ(vect.size(), graph.size()); |
| 612 | EXPECT_EQ(graph[vect[0]].file_name, "B"); |
| 613 | EXPECT_EQ(graph[vect[1]].file_name, "D"); |
| 614 | EXPECT_EQ(graph[vect[2]].file_name, "A"); |
| 615 | EXPECT_EQ(graph[vect[3]].file_name, "C"); |
| 616 | } |
| 617 | |
| 618 | namespace { |
| 619 | |
| 620 | #define OP_BSDIFF DeltaArchiveManifest_InstallOperation_Type_BSDIFF |
| 621 | #define OP_MOVE DeltaArchiveManifest_InstallOperation_Type_MOVE |
| 622 | #define OP_REPLACE DeltaArchiveManifest_InstallOperation_Type_REPLACE |
| 623 | #define OP_REPLACE_BZ DeltaArchiveManifest_InstallOperation_Type_REPLACE_BZ |
| 624 | |
| 625 | void GenVertex(Vertex* out, |
| 626 | const vector<Extent>& src_extents, |
| 627 | const vector<Extent>& dst_extents, |
| 628 | const string& path, |
| 629 | DeltaArchiveManifest_InstallOperation_Type type) { |
| 630 | out->op.set_type(type); |
| 631 | out->file_name = path; |
| 632 | DeltaDiffGenerator::StoreExtents(src_extents, out->op.mutable_src_extents()); |
| 633 | DeltaDiffGenerator::StoreExtents(dst_extents, out->op.mutable_dst_extents()); |
| 634 | } |
| 635 | |
| 636 | vector<Extent> VectOfExt(uint64_t start_block, uint64_t num_blocks) { |
| 637 | return vector<Extent>(1, ExtentForRange(start_block, num_blocks)); |
| 638 | } |
| 639 | |
| 640 | EdgeProperties EdgeWithReadDep(const vector<Extent>& extents) { |
| 641 | EdgeProperties ret; |
| 642 | ret.extents = extents; |
| 643 | return ret; |
| 644 | } |
| 645 | |
| 646 | EdgeProperties EdgeWithWriteDep(const vector<Extent>& extents) { |
| 647 | EdgeProperties ret; |
| 648 | ret.write_extents = extents; |
| 649 | return ret; |
| 650 | } |
| 651 | |
| 652 | template<typename T> |
| 653 | void DumpVect(const vector<T>& vect) { |
| 654 | std::stringstream ss(stringstream::out); |
| 655 | for (typename vector<T>::const_iterator it = vect.begin(), e = vect.end(); |
| 656 | it != e; ++it) { |
| 657 | ss << *it << ", "; |
| 658 | } |
| 659 | LOG(INFO) << "{" << ss.str() << "}"; |
| 660 | } |
| 661 | |
| 662 | } // namespace {} |
| 663 | |
| 664 | TEST_F(DeltaDiffGeneratorTest, RunAsRootAssignTempBlocksTest) { |
| 665 | Graph graph(9); |
| 666 | const vector<Extent> empt; // empty |
| 667 | const string kFilename = "/foo"; |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 668 | |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 669 | // Some scratch space: |
| 670 | GenVertex(&graph[0], empt, VectOfExt(200, 1), "", OP_REPLACE); |
| 671 | GenVertex(&graph[1], empt, VectOfExt(210, 10), "", OP_REPLACE); |
| 672 | GenVertex(&graph[2], empt, VectOfExt(220, 1), "", OP_REPLACE); |
| 673 | |
| 674 | // A cycle that requires 10 blocks to break: |
| 675 | GenVertex(&graph[3], VectOfExt(10, 11), VectOfExt(0, 9), "", OP_BSDIFF); |
| 676 | graph[3].out_edges[4] = EdgeWithReadDep(VectOfExt(0, 9)); |
| 677 | GenVertex(&graph[4], VectOfExt(0, 9), VectOfExt(10, 11), "", OP_BSDIFF); |
| 678 | graph[4].out_edges[3] = EdgeWithReadDep(VectOfExt(10, 11)); |
| 679 | |
| 680 | // A cycle that requires 9 blocks to break: |
| 681 | GenVertex(&graph[5], VectOfExt(40, 11), VectOfExt(30, 10), "", OP_BSDIFF); |
| 682 | graph[5].out_edges[6] = EdgeWithReadDep(VectOfExt(30, 10)); |
| 683 | GenVertex(&graph[6], VectOfExt(30, 10), VectOfExt(40, 11), "", OP_BSDIFF); |
| 684 | graph[6].out_edges[5] = EdgeWithReadDep(VectOfExt(40, 11)); |
| 685 | |
| 686 | // A cycle that requires 40 blocks to break (which is too many): |
| 687 | GenVertex(&graph[7], |
| 688 | VectOfExt(120, 50), |
| 689 | VectOfExt(60, 40), |
| 690 | "", |
| 691 | OP_BSDIFF); |
| 692 | graph[7].out_edges[8] = EdgeWithReadDep(VectOfExt(60, 40)); |
| 693 | GenVertex(&graph[8], |
| 694 | VectOfExt(60, 40), |
| 695 | VectOfExt(120, 50), |
| 696 | kFilename, |
| 697 | OP_BSDIFF); |
| 698 | graph[8].out_edges[7] = EdgeWithReadDep(VectOfExt(120, 50)); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 699 | |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 700 | graph_utils::DumpGraph(graph); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 701 | |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 702 | vector<Vertex::Index> final_order; |
| 703 | |
| 704 | |
| 705 | // Prepare the filesystem with the minimum required for this to work |
| 706 | string temp_dir; |
Gilad Arnold | a6742b3 | 2014-01-11 00:18:34 -0800 | [diff] [blame] | 707 | EXPECT_TRUE(utils::MakeTempDirectory("AssignTempBlocksTest.XXXXXX", |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 708 | &temp_dir)); |
| 709 | ScopedDirRemover temp_dir_remover(temp_dir); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 710 | |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 711 | const size_t kBlockSize = 4096; |
| 712 | vector<char> temp_data(kBlockSize * 50); |
| 713 | FillWithData(&temp_data); |
| 714 | EXPECT_TRUE(WriteFileVector(temp_dir + kFilename, temp_data)); |
| 715 | ScopedPathUnlinker filename_unlinker(temp_dir + kFilename); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 716 | |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 717 | int fd; |
Gilad Arnold | a6742b3 | 2014-01-11 00:18:34 -0800 | [diff] [blame] | 718 | EXPECT_TRUE(utils::MakeTempFile("AssignTempBlocksTestData.XXXXXX", |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 719 | NULL, |
| 720 | &fd)); |
| 721 | ScopedFdCloser fd_closer(&fd); |
| 722 | off_t data_file_size = 0; |
| 723 | |
| 724 | |
| 725 | EXPECT_TRUE(DeltaDiffGenerator::ConvertGraphToDag(&graph, |
| 726 | temp_dir, |
| 727 | fd, |
| 728 | &data_file_size, |
Andrew de los Reyes | 927179d | 2010-12-02 11:26:48 -0800 | [diff] [blame] | 729 | &final_order, |
| 730 | Vertex::kInvalidIndex)); |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 731 | |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 732 | |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 733 | Graph expected_graph(12); |
| 734 | GenVertex(&expected_graph[0], empt, VectOfExt(200, 1), "", OP_REPLACE); |
| 735 | GenVertex(&expected_graph[1], empt, VectOfExt(210, 10), "", OP_REPLACE); |
| 736 | GenVertex(&expected_graph[2], empt, VectOfExt(220, 1), "", OP_REPLACE); |
| 737 | GenVertex(&expected_graph[3], |
| 738 | VectOfExt(10, 11), |
| 739 | VectOfExt(0, 9), |
| 740 | "", |
| 741 | OP_BSDIFF); |
| 742 | expected_graph[3].out_edges[9] = EdgeWithReadDep(VectOfExt(0, 9)); |
| 743 | GenVertex(&expected_graph[4], |
| 744 | VectOfExt(60, 9), |
| 745 | VectOfExt(10, 11), |
| 746 | "", |
| 747 | OP_BSDIFF); |
| 748 | expected_graph[4].out_edges[3] = EdgeWithReadDep(VectOfExt(10, 11)); |
| 749 | expected_graph[4].out_edges[9] = EdgeWithWriteDep(VectOfExt(60, 9)); |
| 750 | GenVertex(&expected_graph[5], |
| 751 | VectOfExt(40, 11), |
| 752 | VectOfExt(30, 10), |
| 753 | "", |
| 754 | OP_BSDIFF); |
| 755 | expected_graph[5].out_edges[10] = EdgeWithReadDep(VectOfExt(30, 10)); |
| 756 | |
| 757 | GenVertex(&expected_graph[6], |
| 758 | VectOfExt(60, 10), |
| 759 | VectOfExt(40, 11), |
| 760 | "", |
| 761 | OP_BSDIFF); |
| 762 | expected_graph[6].out_edges[5] = EdgeWithReadDep(VectOfExt(40, 11)); |
| 763 | expected_graph[6].out_edges[10] = EdgeWithWriteDep(VectOfExt(60, 10)); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 764 | |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 765 | GenVertex(&expected_graph[7], |
| 766 | VectOfExt(120, 50), |
| 767 | VectOfExt(60, 40), |
| 768 | "", |
| 769 | OP_BSDIFF); |
| 770 | expected_graph[7].out_edges[6] = EdgeWithReadDep(VectOfExt(60, 10)); |
| 771 | |
| 772 | GenVertex(&expected_graph[8], empt, VectOfExt(0, 50), "/foo", OP_REPLACE_BZ); |
| 773 | expected_graph[8].out_edges[7] = EdgeWithReadDep(VectOfExt(120, 50)); |
| 774 | |
| 775 | GenVertex(&expected_graph[9], |
| 776 | VectOfExt(0, 9), |
| 777 | VectOfExt(60, 9), |
| 778 | "", |
| 779 | OP_MOVE); |
| 780 | |
| 781 | GenVertex(&expected_graph[10], |
| 782 | VectOfExt(30, 10), |
| 783 | VectOfExt(60, 10), |
| 784 | "", |
| 785 | OP_MOVE); |
| 786 | expected_graph[10].out_edges[4] = EdgeWithReadDep(VectOfExt(60, 9)); |
Darin Petkov | 68c10d1 | 2010-10-14 09:24:37 -0700 | [diff] [blame] | 787 | |
Andrew de los Reyes | ef01755 | 2010-10-06 17:57:52 -0700 | [diff] [blame] | 788 | EXPECT_EQ(12, graph.size()); |
| 789 | EXPECT_FALSE(graph.back().valid); |
| 790 | for (Graph::size_type i = 0; i < graph.size() - 1; i++) { |
| 791 | EXPECT_TRUE(graph[i].out_edges == expected_graph[i].out_edges); |
| 792 | if (i == 8) { |
| 793 | // special case |
| 794 | } else { |
| 795 | // EXPECT_TRUE(graph[i] == expected_graph[i]) << "i = " << i; |
| 796 | } |
| 797 | } |
| 798 | } |
| 799 | |
Darin Petkov | 94817cb | 2013-05-08 14:33:24 +0200 | [diff] [blame] | 800 | // Test that sparse holes are not used as scratch. More specifically, test that |
| 801 | // if all full operations write to sparse holes and there's no extra scratch |
| 802 | // space, delta operations that need scratch are converted to full. See |
| 803 | // crbug.com/238440. |
| 804 | TEST_F(DeltaDiffGeneratorTest, RunAsRootNoSparseAsTempTest) { |
| 805 | Graph graph(3); |
| 806 | const vector<Extent> kEmpty; |
| 807 | const string kFilename = "/foo"; |
| 808 | |
| 809 | // Make sure this sparse hole is not used as scratch. |
| 810 | GenVertex(&graph[0], kEmpty, VectOfExt(kSparseHole, 1), "", OP_REPLACE); |
| 811 | |
| 812 | // Create a single-block cycle. |
| 813 | GenVertex(&graph[1], VectOfExt(0, 1), VectOfExt(1, 1), "", OP_BSDIFF); |
| 814 | graph[1].out_edges[2] = EdgeWithReadDep(VectOfExt(1, 1)); |
| 815 | GenVertex(&graph[2], VectOfExt(1, 1), VectOfExt(0, 1), kFilename, OP_BSDIFF); |
| 816 | graph[2].out_edges[1] = EdgeWithReadDep(VectOfExt(0, 1)); |
| 817 | |
| 818 | graph_utils::DumpGraph(graph); |
| 819 | |
| 820 | vector<Vertex::Index> final_order; |
| 821 | |
| 822 | // Prepare the filesystem with the minimum required for this to work. |
| 823 | string temp_dir; |
Gilad Arnold | a6742b3 | 2014-01-11 00:18:34 -0800 | [diff] [blame] | 824 | EXPECT_TRUE(utils::MakeTempDirectory("NoSparseAsTempTest.XXXXXX", |
Darin Petkov | 94817cb | 2013-05-08 14:33:24 +0200 | [diff] [blame] | 825 | &temp_dir)); |
| 826 | ScopedDirRemover temp_dir_remover(temp_dir); |
| 827 | |
| 828 | const size_t kBlockSize = 4096; |
| 829 | vector<char> temp_data(kBlockSize); |
| 830 | FillWithData(&temp_data); |
| 831 | EXPECT_TRUE(WriteFileVector(temp_dir + kFilename, temp_data)); |
| 832 | ScopedPathUnlinker filename_unlinker(temp_dir + kFilename); |
| 833 | |
| 834 | int fd = -1; |
Gilad Arnold | a6742b3 | 2014-01-11 00:18:34 -0800 | [diff] [blame] | 835 | EXPECT_TRUE(utils::MakeTempFile("NoSparseAsTempTestData.XXXXXX", |
Darin Petkov | 94817cb | 2013-05-08 14:33:24 +0200 | [diff] [blame] | 836 | NULL, |
| 837 | &fd)); |
| 838 | ScopedFdCloser fd_closer(&fd); |
| 839 | off_t data_file_size = 0; |
| 840 | |
| 841 | EXPECT_TRUE(DeltaDiffGenerator::ConvertGraphToDag(&graph, |
| 842 | temp_dir, |
| 843 | fd, |
| 844 | &data_file_size, |
| 845 | &final_order, |
| 846 | Vertex::kInvalidIndex)); |
| 847 | |
| 848 | ASSERT_EQ(4, graph.size()); |
| 849 | |
| 850 | // The second BSDIFF operation must have been converted to a full operation |
| 851 | // (due to insufficient scratch space). |
| 852 | EXPECT_TRUE(graph[2].op.type() == OP_REPLACE || |
| 853 | graph[2].op.type() == OP_REPLACE_BZ); |
| 854 | |
| 855 | // The temporary node created for breaking the cycle must have been marked as |
| 856 | // invalid. |
| 857 | EXPECT_FALSE(graph[3].valid); |
| 858 | } |
| 859 | |
| 860 | // Test that sparse holes are not used as scratch. More specifically, test that |
| 861 | // if scratch space comes only from full operations writing to real blocks as |
| 862 | // well as sparse holes, only the real blocks are utilized. See |
| 863 | // crbug.com/238440. |
| 864 | TEST_F(DeltaDiffGeneratorTest, NoSparseAsTempTest) { |
| 865 | Graph graph; |
| 866 | vector<Block> blocks(4); |
| 867 | |
| 868 | // Create nodes in |graph|. |
| 869 | { |
| 870 | graph.resize(graph.size() + 1); |
| 871 | graph.back().op.set_type( |
| 872 | DeltaArchiveManifest_InstallOperation_Type_REPLACE); |
| 873 | |
| 874 | // Write to a sparse hole -- basically a no-op to ensure sparse holes are |
| 875 | // not used as scratch. |
| 876 | vector<Extent> extents; |
| 877 | graph_utils::AppendBlockToExtents(&extents, kSparseHole); |
| 878 | DeltaDiffGenerator::StoreExtents(extents, |
| 879 | graph.back().op.mutable_dst_extents()); |
| 880 | } |
| 881 | { |
| 882 | graph.resize(graph.size() + 1); |
| 883 | graph.back().op.set_type(OP_REPLACE); |
| 884 | |
| 885 | // Scratch space: write to block 0 with sparse holes around. |
| 886 | vector<Extent> extents; |
| 887 | graph_utils::AppendBlockToExtents(&extents, kSparseHole); |
| 888 | graph_utils::AppendBlockToExtents(&extents, 0); |
| 889 | graph_utils::AppendBlockToExtents(&extents, kSparseHole); |
| 890 | DeltaDiffGenerator::StoreExtents(extents, |
| 891 | graph.back().op.mutable_dst_extents()); |
| 892 | blocks[0].writer = graph.size() - 1; |
| 893 | } |
| 894 | { |
| 895 | graph.resize(graph.size() + 1); |
| 896 | graph.back().op.set_type(OP_REPLACE); |
| 897 | |
| 898 | // Write to a sparse hole. |
| 899 | vector<Extent> extents; |
| 900 | graph_utils::AppendBlockToExtents(&extents, kSparseHole); |
| 901 | DeltaDiffGenerator::StoreExtents(extents, |
| 902 | graph.back().op.mutable_dst_extents()); |
| 903 | } |
| 904 | // Create a two-node cycle between (2, sparse, sparse) and (1, sparse, 3). |
| 905 | { |
| 906 | graph.resize(graph.size() + 1); |
| 907 | graph.back().op.set_type(OP_MOVE); |
| 908 | // Read from (2, sparse, sparse). |
| 909 | vector<Extent> extents; |
| 910 | graph_utils::AppendBlockToExtents(&extents, 2); |
| 911 | graph_utils::AppendBlockToExtents(&extents, kSparseHole); |
| 912 | graph_utils::AppendBlockToExtents(&extents, kSparseHole); |
| 913 | DeltaDiffGenerator::StoreExtents(extents, |
| 914 | graph.back().op.mutable_src_extents()); |
| 915 | blocks[2].reader = graph.size() - 1; |
| 916 | |
| 917 | // Write to (1, sparse, 3). |
| 918 | extents.clear(); |
| 919 | graph_utils::AppendBlockToExtents(&extents, 1); |
| 920 | graph_utils::AppendBlockToExtents(&extents, kSparseHole); |
| 921 | graph_utils::AppendBlockToExtents(&extents, 3); |
| 922 | DeltaDiffGenerator::StoreExtents(extents, |
| 923 | graph.back().op.mutable_dst_extents()); |
| 924 | blocks[1].writer = graph.size() - 1; |
| 925 | blocks[3].writer = graph.size() - 1; |
| 926 | } |
| 927 | { |
| 928 | graph.resize(graph.size() + 1); |
| 929 | graph.back().op.set_type(OP_MOVE); |
| 930 | // Read from (1, sparse, 3). |
| 931 | vector<Extent> extents; |
| 932 | graph_utils::AppendBlockToExtents(&extents, 1); |
| 933 | graph_utils::AppendBlockToExtents(&extents, kSparseHole); |
| 934 | graph_utils::AppendBlockToExtents(&extents, 3); |
| 935 | DeltaDiffGenerator::StoreExtents(extents, |
| 936 | graph.back().op.mutable_src_extents()); |
| 937 | blocks[1].reader = graph.size() - 1; |
| 938 | blocks[3].reader = graph.size() - 1; |
| 939 | |
| 940 | // Write to (2, sparse, sparse). |
| 941 | extents.clear(); |
| 942 | graph_utils::AppendBlockToExtents(&extents, 2); |
| 943 | graph_utils::AppendBlockToExtents(&extents, kSparseHole); |
| 944 | graph_utils::AppendBlockToExtents(&extents, kSparseHole); |
| 945 | DeltaDiffGenerator::StoreExtents(extents, |
| 946 | graph.back().op.mutable_dst_extents()); |
| 947 | blocks[2].writer = graph.size() - 1; |
| 948 | } |
| 949 | |
| 950 | graph_utils::DumpGraph(graph); |
| 951 | |
| 952 | // Create edges |
| 953 | DeltaDiffGenerator::CreateEdges(&graph, blocks); |
| 954 | |
| 955 | graph_utils::DumpGraph(graph); |
| 956 | |
| 957 | vector<Vertex::Index> final_order; |
| 958 | off_t data_file_size = 0; |
| 959 | EXPECT_TRUE(DeltaDiffGenerator::ConvertGraphToDag(&graph, |
| 960 | "/non/existent/dir", |
| 961 | -1, |
| 962 | &data_file_size, |
| 963 | &final_order, |
| 964 | Vertex::kInvalidIndex)); |
| 965 | |
| 966 | // Check for a single temporary node writing to scratch. |
| 967 | ASSERT_EQ(6, graph.size()); |
| 968 | EXPECT_EQ(DeltaArchiveManifest_InstallOperation_Type_MOVE, |
| 969 | graph[5].op.type()); |
| 970 | EXPECT_EQ(1, graph[5].op.src_extents_size()); |
| 971 | ASSERT_EQ(1, graph[5].op.dst_extents_size()); |
| 972 | EXPECT_EQ(0, graph[5].op.dst_extents(0).start_block()); |
| 973 | EXPECT_EQ(1, graph[5].op.dst_extents(0).num_blocks()); |
| 974 | |
| 975 | // Make sure the cycle nodes still read from and write to sparse holes. |
| 976 | for (int i = 3; i < 5; i++) { |
| 977 | ASSERT_GE(graph[i].op.src_extents_size(), 2); |
| 978 | EXPECT_EQ(kSparseHole, graph[i].op.src_extents(1).start_block()); |
| 979 | ASSERT_GE(graph[i].op.dst_extents_size(), 2); |
| 980 | EXPECT_EQ(kSparseHole, graph[i].op.dst_extents(1).start_block()); |
| 981 | } |
| 982 | } |
| 983 | |
Darin Petkov | 9fa7ec5 | 2010-10-18 11:45:23 -0700 | [diff] [blame] | 984 | TEST_F(DeltaDiffGeneratorTest, IsNoopOperationTest) { |
| 985 | DeltaArchiveManifest_InstallOperation op; |
| 986 | op.set_type(DeltaArchiveManifest_InstallOperation_Type_REPLACE_BZ); |
| 987 | EXPECT_FALSE(DeltaDiffGenerator::IsNoopOperation(op)); |
| 988 | op.set_type(DeltaArchiveManifest_InstallOperation_Type_MOVE); |
| 989 | EXPECT_TRUE(DeltaDiffGenerator::IsNoopOperation(op)); |
| 990 | *(op.add_src_extents()) = ExtentForRange(3, 2); |
| 991 | *(op.add_dst_extents()) = ExtentForRange(3, 2); |
| 992 | EXPECT_TRUE(DeltaDiffGenerator::IsNoopOperation(op)); |
| 993 | *(op.add_src_extents()) = ExtentForRange(7, 5); |
| 994 | *(op.add_dst_extents()) = ExtentForRange(7, 5); |
| 995 | EXPECT_TRUE(DeltaDiffGenerator::IsNoopOperation(op)); |
| 996 | *(op.add_src_extents()) = ExtentForRange(20, 2); |
| 997 | *(op.add_dst_extents()) = ExtentForRange(20, 1); |
| 998 | *(op.add_dst_extents()) = ExtentForRange(21, 1); |
| 999 | EXPECT_TRUE(DeltaDiffGenerator::IsNoopOperation(op)); |
| 1000 | *(op.add_src_extents()) = ExtentForRange(kSparseHole, 2); |
| 1001 | *(op.add_src_extents()) = ExtentForRange(kSparseHole, 1); |
| 1002 | *(op.add_dst_extents()) = ExtentForRange(kSparseHole, 3); |
| 1003 | EXPECT_TRUE(DeltaDiffGenerator::IsNoopOperation(op)); |
| 1004 | *(op.add_src_extents()) = ExtentForRange(24, 1); |
| 1005 | *(op.add_dst_extents()) = ExtentForRange(25, 1); |
| 1006 | EXPECT_FALSE(DeltaDiffGenerator::IsNoopOperation(op)); |
| 1007 | } |
| 1008 | |
Andrew de los Reyes | 4ba850d | 2010-10-25 12:12:40 -0700 | [diff] [blame] | 1009 | TEST_F(DeltaDiffGeneratorTest, RunAsRootAssignTempBlocksReuseTest) { |
| 1010 | // AssignTempBlocks(Graph* graph, |
| 1011 | // const string& new_root, |
| 1012 | // int data_fd, |
| 1013 | // off_t* data_file_size, |
| 1014 | // vector<Vertex::Index>* op_indexes, |
| 1015 | // vector<vector<Vertex::Index>::size_type>* reverse_op_indexes, |
| 1016 | // const vector<CutEdgeVertexes>& cuts |
| 1017 | Graph graph(9); |
| 1018 | |
| 1019 | const vector<Extent> empt; |
| 1020 | uint64_t tmp = kTempBlockStart; |
| 1021 | const string kFilename = "/foo"; |
| 1022 | |
| 1023 | vector<CutEdgeVertexes> cuts; |
| 1024 | cuts.resize(3); |
| 1025 | |
| 1026 | // Simple broken loop: |
| 1027 | GenVertex(&graph[0], VectOfExt(0, 1), VectOfExt(1, 1), "", OP_MOVE); |
| 1028 | GenVertex(&graph[1], VectOfExt(tmp, 1), VectOfExt(0, 1), "", OP_MOVE); |
| 1029 | GenVertex(&graph[2], VectOfExt(1, 1), VectOfExt(tmp, 1), "", OP_MOVE); |
| 1030 | // Corresponding edges: |
| 1031 | graph[0].out_edges[2] = EdgeWithReadDep(VectOfExt(1, 1)); |
| 1032 | graph[1].out_edges[2] = EdgeWithWriteDep(VectOfExt(tmp, 1)); |
| 1033 | graph[1].out_edges[0] = EdgeWithReadDep(VectOfExt(0, 1)); |
| 1034 | // Store the cut: |
| 1035 | cuts[0].old_dst = 1; |
| 1036 | cuts[0].old_src = 0; |
| 1037 | cuts[0].new_vertex = 2; |
| 1038 | cuts[0].tmp_extents = VectOfExt(tmp, 1); |
| 1039 | tmp++; |
| 1040 | |
| 1041 | // Slightly more complex pair of loops: |
| 1042 | GenVertex(&graph[3], VectOfExt(4, 2), VectOfExt(2, 2), "", OP_MOVE); |
| 1043 | GenVertex(&graph[4], VectOfExt(6, 1), VectOfExt(7, 1), "", OP_MOVE); |
| 1044 | GenVertex(&graph[5], VectOfExt(tmp, 3), VectOfExt(4, 3), kFilename, OP_MOVE); |
| 1045 | GenVertex(&graph[6], VectOfExt(2, 2), VectOfExt(tmp, 2), "", OP_MOVE); |
| 1046 | GenVertex(&graph[7], VectOfExt(7, 1), VectOfExt(tmp + 2, 1), "", OP_MOVE); |
| 1047 | // Corresponding edges: |
| 1048 | graph[3].out_edges[6] = EdgeWithReadDep(VectOfExt(2, 2)); |
| 1049 | graph[4].out_edges[7] = EdgeWithReadDep(VectOfExt(7, 1)); |
| 1050 | graph[5].out_edges[6] = EdgeWithWriteDep(VectOfExt(tmp, 2)); |
| 1051 | graph[5].out_edges[7] = EdgeWithWriteDep(VectOfExt(tmp + 2, 1)); |
| 1052 | graph[5].out_edges[3] = EdgeWithReadDep(VectOfExt(4, 2)); |
| 1053 | graph[5].out_edges[4] = EdgeWithReadDep(VectOfExt(6, 1)); |
| 1054 | // Store the cuts: |
| 1055 | cuts[1].old_dst = 5; |
| 1056 | cuts[1].old_src = 3; |
| 1057 | cuts[1].new_vertex = 6; |
| 1058 | cuts[1].tmp_extents = VectOfExt(tmp, 2); |
| 1059 | cuts[2].old_dst = 5; |
| 1060 | cuts[2].old_src = 4; |
| 1061 | cuts[2].new_vertex = 7; |
| 1062 | cuts[2].tmp_extents = VectOfExt(tmp + 2, 1); |
| 1063 | |
| 1064 | // Supplier of temp block: |
| 1065 | GenVertex(&graph[8], empt, VectOfExt(8, 1), "", OP_REPLACE); |
| 1066 | |
| 1067 | // Specify the final order: |
| 1068 | vector<Vertex::Index> op_indexes; |
| 1069 | op_indexes.push_back(2); |
| 1070 | op_indexes.push_back(0); |
| 1071 | op_indexes.push_back(1); |
| 1072 | op_indexes.push_back(6); |
| 1073 | op_indexes.push_back(3); |
| 1074 | op_indexes.push_back(7); |
| 1075 | op_indexes.push_back(4); |
| 1076 | op_indexes.push_back(5); |
| 1077 | op_indexes.push_back(8); |
| 1078 | |
| 1079 | vector<vector<Vertex::Index>::size_type> reverse_op_indexes; |
| 1080 | DeltaDiffGenerator::GenerateReverseTopoOrderMap(op_indexes, |
| 1081 | &reverse_op_indexes); |
| 1082 | |
| 1083 | // Prepare the filesystem with the minimum required for this to work |
| 1084 | string temp_dir; |
Gilad Arnold | a6742b3 | 2014-01-11 00:18:34 -0800 | [diff] [blame] | 1085 | EXPECT_TRUE(utils::MakeTempDirectory("AssignTempBlocksReuseTest.XXXXXX", |
Andrew de los Reyes | 4ba850d | 2010-10-25 12:12:40 -0700 | [diff] [blame] | 1086 | &temp_dir)); |
| 1087 | ScopedDirRemover temp_dir_remover(temp_dir); |
| 1088 | |
| 1089 | const size_t kBlockSize = 4096; |
| 1090 | vector<char> temp_data(kBlockSize * 3); |
| 1091 | FillWithData(&temp_data); |
| 1092 | EXPECT_TRUE(WriteFileVector(temp_dir + kFilename, temp_data)); |
| 1093 | ScopedPathUnlinker filename_unlinker(temp_dir + kFilename); |
| 1094 | |
| 1095 | int fd; |
Gilad Arnold | a6742b3 | 2014-01-11 00:18:34 -0800 | [diff] [blame] | 1096 | EXPECT_TRUE(utils::MakeTempFile("AssignTempBlocksReuseTest.XXXXXX", |
Andrew de los Reyes | 4ba850d | 2010-10-25 12:12:40 -0700 | [diff] [blame] | 1097 | NULL, |
| 1098 | &fd)); |
| 1099 | ScopedFdCloser fd_closer(&fd); |
| 1100 | off_t data_file_size = 0; |
Thieu Le | 5c7d975 | 2010-12-15 16:09:28 -0800 | [diff] [blame] | 1101 | |
Andrew de los Reyes | 4ba850d | 2010-10-25 12:12:40 -0700 | [diff] [blame] | 1102 | EXPECT_TRUE(DeltaDiffGenerator::AssignTempBlocks(&graph, |
| 1103 | temp_dir, |
| 1104 | fd, |
| 1105 | &data_file_size, |
| 1106 | &op_indexes, |
| 1107 | &reverse_op_indexes, |
| 1108 | cuts)); |
| 1109 | EXPECT_FALSE(graph[6].valid); |
| 1110 | EXPECT_FALSE(graph[7].valid); |
| 1111 | EXPECT_EQ(1, graph[1].op.src_extents_size()); |
| 1112 | EXPECT_EQ(2, graph[1].op.src_extents(0).start_block()); |
| 1113 | EXPECT_EQ(1, graph[1].op.src_extents(0).num_blocks()); |
| 1114 | EXPECT_EQ(OP_REPLACE_BZ, graph[5].op.type()); |
| 1115 | } |
| 1116 | |
Andrew de los Reyes | 927179d | 2010-12-02 11:26:48 -0800 | [diff] [blame] | 1117 | TEST_F(DeltaDiffGeneratorTest, CreateScratchNodeTest) { |
| 1118 | Vertex vertex; |
| 1119 | DeltaDiffGenerator::CreateScratchNode(12, 34, &vertex); |
| 1120 | EXPECT_EQ(DeltaArchiveManifest_InstallOperation_Type_REPLACE_BZ, |
| 1121 | vertex.op.type()); |
| 1122 | EXPECT_EQ(0, vertex.op.data_offset()); |
| 1123 | EXPECT_EQ(0, vertex.op.data_length()); |
| 1124 | EXPECT_EQ(1, vertex.op.dst_extents_size()); |
| 1125 | EXPECT_EQ(12, vertex.op.dst_extents(0).start_block()); |
| 1126 | EXPECT_EQ(34, vertex.op.dst_extents(0).num_blocks()); |
| 1127 | } |
| 1128 | |
adlr@google.com | 3defe6a | 2009-12-04 20:57:17 +0000 | [diff] [blame] | 1129 | } // namespace chromeos_update_engine |