Yifan Hong | d22459d | 2019-09-13 14:49:53 -0700 | [diff] [blame] | 1 | // |
| 2 | // Copyright (C) 2019 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 "snapshot_metadata_updater.h" |
| 18 | |
| 19 | #include <memory> |
| 20 | #include <string> |
| 21 | |
Alessio Balsini | fce0274 | 2020-01-30 16:02:13 +0000 | [diff] [blame] | 22 | #include <android-base/properties.h> |
Yifan Hong | d22459d | 2019-09-13 14:49:53 -0700 | [diff] [blame] | 23 | #include <gmock/gmock.h> |
| 24 | #include <gtest/gtest.h> |
| 25 | #include <liblp/builder.h> |
| 26 | #include <storage_literals/storage_literals.h> |
| 27 | |
Yifan Hong | 0daaa72 | 2019-12-06 15:57:54 -0800 | [diff] [blame] | 28 | #include <libsnapshot/test_helpers.h> |
Yifan Hong | d22459d | 2019-09-13 14:49:53 -0700 | [diff] [blame] | 29 | |
| 30 | using namespace android::storage_literals; |
| 31 | using android::fs_mgr::LpMetadata; |
| 32 | using android::fs_mgr::MetadataBuilder; |
| 33 | using android::fs_mgr::SlotSuffixForSlotNumber; |
| 34 | using chromeos_update_engine::DeltaArchiveManifest; |
| 35 | using chromeos_update_engine::DynamicPartitionGroup; |
| 36 | using chromeos_update_engine::PartitionUpdate; |
| 37 | using testing::AssertionFailure; |
| 38 | using testing::AssertionResult; |
| 39 | using testing::AssertionSuccess; |
| 40 | |
| 41 | namespace android { |
| 42 | namespace snapshot { |
| 43 | |
| 44 | class SnapshotMetadataUpdaterTest : public ::testing::TestWithParam<uint32_t> { |
| 45 | public: |
Yifan Hong | a7c00a0 | 2020-08-06 16:12:37 -0700 | [diff] [blame] | 46 | SnapshotMetadataUpdaterTest() = default; |
Alessio Balsini | fce0274 | 2020-01-30 16:02:13 +0000 | [diff] [blame] | 47 | |
Yifan Hong | d22459d | 2019-09-13 14:49:53 -0700 | [diff] [blame] | 48 | void SetUp() override { |
Yifan Hong | a7c00a0 | 2020-08-06 16:12:37 -0700 | [diff] [blame] | 49 | SKIP_IF_NON_VIRTUAL_AB(); |
| 50 | |
Yifan Hong | d22459d | 2019-09-13 14:49:53 -0700 | [diff] [blame] | 51 | target_slot_ = GetParam(); |
| 52 | target_suffix_ = SlotSuffixForSlotNumber(target_slot_); |
Yifan Hong | 30adb65 | 2019-09-23 18:12:01 -0700 | [diff] [blame] | 53 | SnapshotTestPropertyFetcher::SetUp(SlotSuffixForSlotNumber(1 - target_slot_)); |
Yifan Hong | d22459d | 2019-09-13 14:49:53 -0700 | [diff] [blame] | 54 | builder_ = MetadataBuilder::New(4_GiB + 1_MiB, 4_KiB, 2); |
| 55 | |
| 56 | group_ = manifest_.mutable_dynamic_partition_metadata()->add_groups(); |
| 57 | group_->set_name("group"); |
| 58 | group_->set_size(4_GiB); |
| 59 | group_->add_partition_names("system"); |
| 60 | group_->add_partition_names("vendor"); |
| 61 | system_ = manifest_.add_partitions(); |
| 62 | system_->set_partition_name("system"); |
| 63 | SetSize(system_, 2_GiB); |
| 64 | vendor_ = manifest_.add_partitions(); |
| 65 | vendor_->set_partition_name("vendor"); |
| 66 | SetSize(vendor_, 1_GiB); |
| 67 | |
| 68 | ASSERT_TRUE(FillFakeMetadata(builder_.get(), manifest_, target_suffix_)); |
| 69 | } |
| 70 | |
Yifan Hong | a7c00a0 | 2020-08-06 16:12:37 -0700 | [diff] [blame] | 71 | void TearDown() override { |
| 72 | RETURN_IF_NON_VIRTUAL_AB(); |
| 73 | |
| 74 | SnapshotTestPropertyFetcher::TearDown(); |
| 75 | } |
Yifan Hong | 30adb65 | 2019-09-23 18:12:01 -0700 | [diff] [blame] | 76 | |
Yifan Hong | d22459d | 2019-09-13 14:49:53 -0700 | [diff] [blame] | 77 | // Append suffix to name. |
| 78 | std::string T(std::string_view name) { return std::string(name) + target_suffix_; } |
| 79 | |
| 80 | AssertionResult UpdateAndExport() { |
| 81 | SnapshotMetadataUpdater updater(builder_.get(), target_slot_, manifest_); |
| 82 | if (!updater.Update()) { |
| 83 | return AssertionFailure() << "Update failed."; |
| 84 | } |
| 85 | |
| 86 | exported_ = builder_->Export(); |
| 87 | if (exported_ == nullptr) { |
| 88 | return AssertionFailure() << "Export failed."; |
| 89 | } |
| 90 | return AssertionSuccess(); |
| 91 | } |
| 92 | |
| 93 | // Check that in |builder_|, partition |name| + |target_suffix_| has the given |size|. |
| 94 | AssertionResult CheckSize(std::string_view name, uint64_t size) { |
| 95 | auto p = builder_->FindPartition(T(name)); |
| 96 | if (p == nullptr) { |
| 97 | return AssertionFailure() << "Cannot find partition " << T(name); |
| 98 | } |
| 99 | if (p->size() != size) { |
| 100 | return AssertionFailure() << "Partition " << T(name) << " should be " << size |
| 101 | << " bytes, but is " << p->size() << " bytes."; |
| 102 | } |
| 103 | return AssertionSuccess() << "Partition" << T(name) << " is " << size << " bytes."; |
| 104 | } |
| 105 | |
| 106 | // Check that in |builder_|, group |name| + |target_suffix_| has the given |size|. |
| 107 | AssertionResult CheckGroupSize(std::string_view name, uint64_t size) { |
| 108 | auto g = builder_->FindGroup(T(name)); |
| 109 | if (g == nullptr) { |
| 110 | return AssertionFailure() << "Cannot find group " << T(name); |
| 111 | } |
| 112 | if (g->maximum_size() != size) { |
| 113 | return AssertionFailure() << "Group " << T(name) << " should be " << size |
| 114 | << " bytes, but is " << g->maximum_size() << " bytes."; |
| 115 | } |
| 116 | return AssertionSuccess() << "Group" << T(name) << " is " << size << " bytes."; |
| 117 | } |
| 118 | |
| 119 | // Check that in |builder_|, partition |partition_name| + |target_suffix_| is in group |
| 120 | // |group_name| + |target_suffix_|; |
| 121 | AssertionResult CheckGroupName(std::string_view partition_name, std::string_view group_name) { |
| 122 | auto p = builder_->FindPartition(T(partition_name)); |
| 123 | if (p == nullptr) { |
| 124 | return AssertionFailure() << "Cannot find partition " << T(partition_name); |
| 125 | } |
| 126 | if (p->group_name() != T(group_name)) { |
| 127 | return AssertionFailure() << "Partition " << T(partition_name) << " should be in " |
| 128 | << T(group_name) << ", but is in " << p->group_name() << "."; |
| 129 | } |
| 130 | return AssertionSuccess() << "Partition" << T(partition_name) << " is in " << T(group_name) |
| 131 | << "."; |
| 132 | } |
| 133 | |
| 134 | std::unique_ptr<MetadataBuilder> builder_; |
| 135 | uint32_t target_slot_; |
| 136 | std::string target_suffix_; |
| 137 | DeltaArchiveManifest manifest_; |
| 138 | std::unique_ptr<LpMetadata> exported_; |
| 139 | DynamicPartitionGroup* group_ = nullptr; |
| 140 | PartitionUpdate* system_ = nullptr; |
| 141 | PartitionUpdate* vendor_ = nullptr; |
| 142 | }; |
| 143 | |
| 144 | TEST_P(SnapshotMetadataUpdaterTest, NoChange) { |
| 145 | EXPECT_TRUE(UpdateAndExport()); |
| 146 | |
| 147 | EXPECT_TRUE(CheckGroupSize("group", 4_GiB)); |
| 148 | EXPECT_TRUE(CheckSize("system", 2_GiB)); |
| 149 | EXPECT_TRUE(CheckGroupName("system", "group")); |
| 150 | EXPECT_TRUE(CheckSize("vendor", 1_GiB)); |
| 151 | EXPECT_TRUE(CheckGroupName("vendor", "group")); |
| 152 | } |
| 153 | |
| 154 | TEST_P(SnapshotMetadataUpdaterTest, GrowWithinBounds) { |
| 155 | SetSize(system_, 2_GiB + 512_MiB); |
| 156 | SetSize(vendor_, 1_GiB + 512_MiB); |
| 157 | |
| 158 | ASSERT_TRUE(UpdateAndExport()); |
| 159 | |
| 160 | EXPECT_TRUE(CheckSize("system", 2_GiB + 512_MiB)); |
| 161 | EXPECT_TRUE(CheckSize("vendor", 1_GiB + 512_MiB)); |
| 162 | } |
| 163 | |
| 164 | TEST_P(SnapshotMetadataUpdaterTest, GrowOverSuper) { |
| 165 | SetSize(system_, 3_GiB); |
| 166 | SetSize(vendor_, 1_GiB + 512_MiB); |
| 167 | |
| 168 | EXPECT_FALSE(UpdateAndExport()); |
| 169 | } |
| 170 | |
| 171 | TEST_P(SnapshotMetadataUpdaterTest, GrowOverGroup) { |
| 172 | SetSize(system_, 3_GiB); |
| 173 | SetSize(vendor_, 1_GiB + 4_KiB); |
| 174 | |
| 175 | EXPECT_FALSE(UpdateAndExport()); |
| 176 | } |
| 177 | |
| 178 | TEST_P(SnapshotMetadataUpdaterTest, Add) { |
| 179 | group_->add_partition_names("product"); |
| 180 | auto product = manifest_.add_partitions(); |
| 181 | product->set_partition_name("product"); |
| 182 | SetSize(product, 1_GiB); |
| 183 | |
| 184 | EXPECT_TRUE(UpdateAndExport()); |
| 185 | |
| 186 | EXPECT_TRUE(CheckSize("system", 2_GiB)); |
| 187 | EXPECT_TRUE(CheckSize("vendor", 1_GiB)); |
| 188 | EXPECT_TRUE(CheckSize("product", 1_GiB)); |
| 189 | } |
| 190 | |
| 191 | TEST_P(SnapshotMetadataUpdaterTest, AddTooBig) { |
| 192 | group_->add_partition_names("product"); |
| 193 | auto product = manifest_.add_partitions(); |
| 194 | product->set_partition_name("product"); |
| 195 | SetSize(product, 1_GiB + 4_KiB); |
| 196 | |
| 197 | EXPECT_FALSE(UpdateAndExport()); |
| 198 | } |
| 199 | |
| 200 | TEST_P(SnapshotMetadataUpdaterTest, ShrinkAll) { |
| 201 | SetSize(system_, 1_GiB); |
| 202 | SetSize(vendor_, 512_MiB); |
| 203 | |
| 204 | ASSERT_TRUE(UpdateAndExport()); |
| 205 | |
| 206 | EXPECT_TRUE(CheckSize("system", 1_GiB)); |
| 207 | EXPECT_TRUE(CheckSize("vendor", 512_MiB)); |
| 208 | } |
| 209 | |
| 210 | TEST_P(SnapshotMetadataUpdaterTest, ShrinkAndGrow) { |
| 211 | SetSize(system_, 3_GiB + 512_MiB); |
| 212 | SetSize(vendor_, 512_MiB); |
| 213 | |
| 214 | ASSERT_TRUE(UpdateAndExport()); |
| 215 | |
| 216 | EXPECT_TRUE(CheckSize("system", 3_GiB + 512_MiB)); |
| 217 | EXPECT_TRUE(CheckSize("vendor", 512_MiB)); |
| 218 | } |
| 219 | |
| 220 | TEST_P(SnapshotMetadataUpdaterTest, ShrinkAndAdd) { |
| 221 | SetSize(system_, 2_GiB); |
| 222 | SetSize(vendor_, 512_MiB); |
| 223 | group_->add_partition_names("product"); |
| 224 | auto product = manifest_.add_partitions(); |
| 225 | product->set_partition_name("product"); |
| 226 | SetSize(product, 1_GiB + 512_MiB); |
| 227 | |
| 228 | ASSERT_TRUE(UpdateAndExport()); |
| 229 | |
| 230 | EXPECT_TRUE(CheckSize("system", 2_GiB)); |
| 231 | EXPECT_TRUE(CheckSize("vendor", 512_MiB)); |
| 232 | EXPECT_TRUE(CheckSize("product", 1_GiB + 512_MiB)); |
| 233 | } |
| 234 | |
| 235 | TEST_P(SnapshotMetadataUpdaterTest, Delete) { |
| 236 | group_->mutable_partition_names()->RemoveLast(); |
| 237 | // No need to delete it from manifest.partitions as SnapshotMetadataUpdater |
| 238 | // should ignore them (treat them as static partitions). |
| 239 | |
| 240 | EXPECT_TRUE(UpdateAndExport()); |
| 241 | |
| 242 | EXPECT_TRUE(CheckSize("system", 2_GiB)); |
| 243 | EXPECT_EQ(nullptr, builder_->FindPartition(T("vendor"))); |
| 244 | } |
| 245 | |
| 246 | TEST_P(SnapshotMetadataUpdaterTest, DeleteAndGrow) { |
| 247 | group_->mutable_partition_names()->RemoveLast(); |
| 248 | SetSize(system_, 4_GiB); |
| 249 | |
| 250 | EXPECT_TRUE(UpdateAndExport()); |
| 251 | |
| 252 | EXPECT_TRUE(CheckSize("system", 4_GiB)); |
| 253 | } |
| 254 | |
| 255 | TEST_P(SnapshotMetadataUpdaterTest, DeleteAndAdd) { |
| 256 | group_->mutable_partition_names()->RemoveLast(); |
| 257 | group_->add_partition_names("product"); |
| 258 | auto product = manifest_.add_partitions(); |
| 259 | product->set_partition_name("product"); |
| 260 | SetSize(product, 2_GiB); |
| 261 | |
| 262 | EXPECT_TRUE(UpdateAndExport()); |
| 263 | |
| 264 | EXPECT_TRUE(CheckSize("system", 2_GiB)); |
| 265 | EXPECT_EQ(nullptr, builder_->FindPartition(T("vendor"))); |
| 266 | EXPECT_TRUE(CheckSize("product", 2_GiB)); |
| 267 | } |
| 268 | |
| 269 | TEST_P(SnapshotMetadataUpdaterTest, GrowGroup) { |
| 270 | group_->set_size(4_GiB + 512_KiB); |
| 271 | SetSize(system_, 2_GiB + 256_KiB); |
| 272 | SetSize(vendor_, 2_GiB + 256_KiB); |
| 273 | |
| 274 | EXPECT_TRUE(UpdateAndExport()); |
| 275 | |
| 276 | EXPECT_TRUE(CheckSize("system", 2_GiB + 256_KiB)); |
| 277 | EXPECT_TRUE(CheckSize("vendor", 2_GiB + 256_KiB)); |
| 278 | } |
| 279 | |
| 280 | TEST_P(SnapshotMetadataUpdaterTest, ShrinkGroup) { |
| 281 | group_->set_size(1_GiB); |
| 282 | SetSize(system_, 512_MiB); |
| 283 | SetSize(vendor_, 512_MiB); |
| 284 | |
| 285 | EXPECT_TRUE(UpdateAndExport()); |
| 286 | |
| 287 | EXPECT_TRUE(CheckSize("system", 512_MiB)); |
| 288 | EXPECT_TRUE(CheckSize("vendor", 512_MiB)); |
| 289 | } |
| 290 | |
| 291 | TEST_P(SnapshotMetadataUpdaterTest, MoveToNewGroup) { |
| 292 | group_->mutable_partition_names()->RemoveLast(); |
| 293 | group_->set_size(2_GiB); |
| 294 | |
| 295 | auto another_group = manifest_.mutable_dynamic_partition_metadata()->add_groups(); |
| 296 | another_group->set_name("another_group"); |
| 297 | another_group->set_size(2_GiB); |
| 298 | another_group->add_partition_names("vendor"); |
| 299 | SetSize(vendor_, 2_GiB); |
| 300 | |
| 301 | EXPECT_TRUE(UpdateAndExport()); |
| 302 | |
| 303 | EXPECT_TRUE(CheckGroupSize("group", 2_GiB)); |
| 304 | EXPECT_TRUE(CheckGroupSize("another_group", 2_GiB)); |
| 305 | EXPECT_TRUE(CheckSize("system", 2_GiB)); |
| 306 | EXPECT_TRUE(CheckGroupName("system", "group")); |
| 307 | EXPECT_TRUE(CheckSize("vendor", 2_GiB)); |
| 308 | EXPECT_TRUE(CheckGroupName("vendor", "another_group")); |
| 309 | } |
| 310 | |
| 311 | TEST_P(SnapshotMetadataUpdaterTest, DeleteAndAddGroup) { |
| 312 | manifest_.mutable_dynamic_partition_metadata()->mutable_groups()->RemoveLast(); |
| 313 | group_ = nullptr; |
| 314 | |
| 315 | auto another_group = manifest_.mutable_dynamic_partition_metadata()->add_groups(); |
| 316 | another_group->set_name("another_group"); |
| 317 | another_group->set_size(4_GiB); |
| 318 | another_group->add_partition_names("system"); |
| 319 | another_group->add_partition_names("vendor"); |
| 320 | another_group->add_partition_names("product"); |
| 321 | auto product = manifest_.add_partitions(); |
| 322 | product->set_partition_name("product"); |
| 323 | SetSize(product, 1_GiB); |
| 324 | |
| 325 | EXPECT_TRUE(UpdateAndExport()); |
| 326 | |
| 327 | EXPECT_EQ(nullptr, builder_->FindGroup(T("group"))); |
| 328 | EXPECT_TRUE(CheckGroupSize("another_group", 4_GiB)); |
| 329 | EXPECT_TRUE(CheckSize("system", 2_GiB)); |
| 330 | EXPECT_TRUE(CheckGroupName("system", "another_group")); |
| 331 | EXPECT_TRUE(CheckSize("vendor", 1_GiB)); |
| 332 | EXPECT_TRUE(CheckGroupName("vendor", "another_group")); |
| 333 | EXPECT_TRUE(CheckSize("product", 1_GiB)); |
| 334 | EXPECT_TRUE(CheckGroupName("product", "another_group")); |
| 335 | } |
| 336 | |
Haibo Huang | cf8a5b0 | 2019-11-08 12:15:11 -0800 | [diff] [blame] | 337 | INSTANTIATE_TEST_SUITE_P(Snapshot, SnapshotMetadataUpdaterTest, testing::Values(0, 1)); |
Yifan Hong | d22459d | 2019-09-13 14:49:53 -0700 | [diff] [blame] | 338 | |
| 339 | } // namespace snapshot |
| 340 | } // namespace android |