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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 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 "content/child/blob_storage/blob_transport_controller.h" |
| 6 |
| 7 #include "base/memory/shared_memory.h" |
| 8 #include "content/child/blob_storage/blob_consolidation.h" |
| 9 #include "storage/common/blob_storage/blob_item_bytes_request.h" |
| 10 #include "storage/common/blob_storage/blob_item_bytes_response.h" |
| 11 #include "testing/gmock/include/gmock/gmock.h" |
| 12 #include "testing/gtest/include/gtest/gtest.h" |
| 13 |
| 14 using storage::BlobItemBytesRequest; |
| 15 using storage::BlobItemBytesResponse; |
| 16 using storage::DataElement; |
| 17 |
| 18 namespace content { |
| 19 namespace { |
| 20 |
| 21 BlobItemBytesResponse ResponseWithData(size_t request_number, |
| 22 const std::string& str) { |
| 23 BlobItemBytesResponse response(request_number); |
| 24 response.inline_data.assign(str.begin(), str.end()); |
| 25 return response; |
| 26 } |
| 27 |
| 28 static DataElement MakeBlobElement(const std::string& uuid, |
| 29 uint64_t offset, |
| 30 uint64_t size) { |
| 31 DataElement element; |
| 32 element.SetToBlobRange(uuid, offset, size); |
| 33 return element; |
| 34 } |
| 35 |
| 36 static DataElement MakeDataDescriptionElement(size_t size) { |
| 37 DataElement element; |
| 38 element.SetToBytesDescription(size); |
| 39 return element; |
| 40 } |
| 41 |
| 42 static DataElement MakeDataElement(const std::string& str) { |
| 43 DataElement element; |
| 44 element.SetToBytes(str.c_str(), str.size()); |
| 45 return element; |
| 46 } |
| 47 |
| 48 static blink::WebThreadSafeData CreateData(const std::string& str) { |
| 49 return blink::WebThreadSafeData(str.c_str(), str.size()); |
| 50 } |
| 51 |
| 52 } // namespace |
| 53 |
| 54 class BlobTransportControllerTest : public testing::Test { |
| 55 public: |
| 56 void SetUp() override { BlobTransportController::GetInstance()->Clear(); } |
| 57 |
| 58 void TearDown() override { BlobTransportController::GetInstance()->Clear(); } |
| 59 }; |
| 60 |
| 61 TEST_F(BlobTransportControllerTest, Descriptions) { |
| 62 const std::string kBlobUUID = "uuid"; |
| 63 const std::string KRefBlobUUID = "refuuid"; |
| 64 const std::string kBadBlobUUID = "uuuidBad"; |
| 65 const size_t kShortcutSize = 11; |
| 66 BlobTransportController* holder = BlobTransportController::GetInstance(); |
| 67 |
| 68 // The first two data elements should be combined and the data shortcut. |
| 69 BlobConsolidation* consolidation = new BlobConsolidation(); |
| 70 consolidation->AddBlobItem(KRefBlobUUID, 10, 10); |
| 71 consolidation->AddDataItem(CreateData("Hello")); |
| 72 consolidation->AddDataItem(CreateData("Hello2")); |
| 73 consolidation->AddBlobItem(KRefBlobUUID, 0, 10); |
| 74 consolidation->AddDataItem(CreateData("Hello3")); |
| 75 |
| 76 ASSERT_TRUE( |
| 77 holder->HoldBlobConsolidation(kBlobUUID, make_scoped_ptr(consolidation))); |
| 78 |
| 79 std::vector<DataElement> out; |
| 80 holder->GetDescriptions(kBlobUUID, kShortcutSize, &out); |
| 81 |
| 82 std::vector<DataElement> expected; |
| 83 expected.push_back(MakeBlobElement(KRefBlobUUID, 10, 10)); |
| 84 expected.push_back(MakeDataElement("HelloHello2")); |
| 85 expected.push_back(MakeBlobElement(KRefBlobUUID, 0, 10)); |
| 86 expected.push_back(MakeDataDescriptionElement(6)); |
| 87 EXPECT_EQ(expected, out); |
| 88 } |
| 89 |
| 90 TEST_F(BlobTransportControllerTest, Responses) { |
| 91 using ResponsesStatus = BlobTransportController::ResponsesStatus; |
| 92 const std::string kBlobUUID = "uuid"; |
| 93 const std::string KRefBlobUUID = "refuuid"; |
| 94 const std::string kBadBlobUUID = "uuuidBad"; |
| 95 BlobTransportController* holder = BlobTransportController::GetInstance(); |
| 96 |
| 97 // The first two data elements should be combined. |
| 98 BlobConsolidation* consolidation = new BlobConsolidation(); |
| 99 consolidation->AddBlobItem(KRefBlobUUID, 10, 10); |
| 100 consolidation->AddDataItem(CreateData("Hello")); |
| 101 consolidation->AddDataItem(CreateData("Hello2")); |
| 102 consolidation->AddBlobItem(KRefBlobUUID, 0, 10); |
| 103 consolidation->AddDataItem(CreateData("Hello3")); |
| 104 // See the above test for the expected descriptions layout. |
| 105 |
| 106 ASSERT_TRUE( |
| 107 holder->HoldBlobConsolidation(kBlobUUID, make_scoped_ptr(consolidation))); |
| 108 |
| 109 std::vector<BlobItemBytesRequest> requests; |
| 110 std::vector<base::SharedMemoryHandle> memory_handles; |
| 111 std::vector<IPC::PlatformFileForTransit> file_handles; |
| 112 std::vector<storage::BlobItemBytesResponse> output; |
| 113 |
| 114 // Request for all of first data |
| 115 requests.push_back(BlobItemBytesRequest::CreateIPCRequest(0, 1, 0, 11)); |
| 116 EXPECT_EQ(ResponsesStatus::SUCCESS, |
| 117 holder->GetResponses(kBlobUUID, requests, &memory_handles, |
| 118 file_handles, &output)); |
| 119 EXPECT_EQ(1u, output.size()); |
| 120 std::vector<storage::BlobItemBytesResponse> expected; |
| 121 expected.push_back(ResponseWithData(0, "HelloHello2")); |
| 122 EXPECT_EQ(expected, output); |
| 123 |
| 124 // Part of second data |
| 125 output.clear(); |
| 126 requests[0] = BlobItemBytesRequest::CreateIPCRequest(1000, 3, 1, 5); |
| 127 EXPECT_EQ(ResponsesStatus::SUCCESS, |
| 128 holder->GetResponses(kBlobUUID, requests, &memory_handles, |
| 129 file_handles, &output)); |
| 130 EXPECT_EQ(1u, output.size()); |
| 131 expected.clear(); |
| 132 expected.push_back(ResponseWithData(1000, "ello3")); |
| 133 EXPECT_EQ(expected, output); |
| 134 |
| 135 // Both data segments |
| 136 output.clear(); |
| 137 requests[0] = BlobItemBytesRequest::CreateIPCRequest(0, 1, 0, 11); |
| 138 requests.push_back(BlobItemBytesRequest::CreateIPCRequest(1, 3, 0, 6)); |
| 139 EXPECT_EQ(ResponsesStatus::SUCCESS, |
| 140 holder->GetResponses(kBlobUUID, requests, &memory_handles, |
| 141 file_handles, &output)); |
| 142 EXPECT_EQ(2u, output.size()); |
| 143 expected.clear(); |
| 144 expected.push_back(ResponseWithData(0, "HelloHello2")); |
| 145 expected.push_back(ResponseWithData(1, "Hello3")); |
| 146 EXPECT_EQ(expected, output); |
| 147 } |
| 148 |
| 149 TEST_F(BlobTransportControllerTest, SharedMemory) { |
| 150 using ResponsesStatus = BlobTransportController::ResponsesStatus; |
| 151 const std::string kBlobUUID = "uuid"; |
| 152 const std::string KRefBlobUUID = "refuuid"; |
| 153 const std::string kBadBlobUUID = "uuuidBad"; |
| 154 BlobTransportController* holder = BlobTransportController::GetInstance(); |
| 155 |
| 156 // The first two data elements should be combined. |
| 157 BlobConsolidation* consolidation = new BlobConsolidation(); |
| 158 consolidation->AddBlobItem(KRefBlobUUID, 10, 10); |
| 159 consolidation->AddDataItem(CreateData("Hello")); |
| 160 consolidation->AddDataItem(CreateData("Hello2")); |
| 161 consolidation->AddBlobItem(KRefBlobUUID, 0, 10); |
| 162 consolidation->AddDataItem(CreateData("Hello3")); |
| 163 // See the above test for the expected descriptions layout. |
| 164 |
| 165 ASSERT_TRUE( |
| 166 holder->HoldBlobConsolidation(kBlobUUID, make_scoped_ptr(consolidation))); |
| 167 |
| 168 std::vector<BlobItemBytesRequest> requests; |
| 169 std::vector<base::SharedMemoryHandle> memory_handles; |
| 170 std::vector<IPC::PlatformFileForTransit> file_handles; |
| 171 std::vector<storage::BlobItemBytesResponse> output; |
| 172 |
| 173 // Request for all data in shared memory |
| 174 requests.push_back( |
| 175 BlobItemBytesRequest::CreateSharedMemoryRequest(0, 1, 0, 11, 0, 0)); |
| 176 requests.push_back( |
| 177 BlobItemBytesRequest::CreateSharedMemoryRequest(1, 3, 0, 6, 0, 11)); |
| 178 base::SharedMemory memory; |
| 179 memory.CreateAndMapAnonymous(11 + 6); |
| 180 base::SharedMemoryHandle handle = |
| 181 base::SharedMemory::DuplicateHandle(memory.handle()); |
| 182 CHECK(base::SharedMemory::NULLHandle() != handle); |
| 183 memory_handles.push_back(handle); |
| 184 |
| 185 EXPECT_EQ(ResponsesStatus::SUCCESS, |
| 186 holder->GetResponses(kBlobUUID, requests, &memory_handles, |
| 187 file_handles, &output)); |
| 188 EXPECT_EQ(2u, output.size()); |
| 189 std::vector<storage::BlobItemBytesResponse> expected; |
| 190 expected.push_back(BlobItemBytesResponse(0)); |
| 191 expected.push_back(BlobItemBytesResponse(1)); |
| 192 EXPECT_EQ(expected, output); |
| 193 std::string expected_memory = "HelloHello2Hello3"; |
| 194 const char* mem_location = static_cast<const char*>(memory.memory()); |
| 195 std::vector<char> value(mem_location, mem_location + memory.requested_size()); |
| 196 EXPECT_THAT(value, testing::ElementsAreArray(expected_memory.c_str(), |
| 197 expected_memory.size())); |
| 198 } |
| 199 |
| 200 TEST_F(BlobTransportControllerTest, ResponsesErrors) { |
| 201 using ResponsesStatus = BlobTransportController::ResponsesStatus; |
| 202 const std::string kBlobUUID = "uuid"; |
| 203 const std::string KRefBlobUUID = "refuuid"; |
| 204 const std::string kBadBlobUUID = "uuuidBad"; |
| 205 BlobTransportController* holder = BlobTransportController::GetInstance(); |
| 206 |
| 207 // The first two data elements should be combined. |
| 208 BlobConsolidation* consolidation = new BlobConsolidation(); |
| 209 consolidation->AddBlobItem(KRefBlobUUID, 10, 10); |
| 210 consolidation->AddDataItem(CreateData("Hello")); |
| 211 consolidation->AddDataItem(CreateData("Hello2")); |
| 212 consolidation->AddBlobItem(KRefBlobUUID, 0, 10); |
| 213 consolidation->AddDataItem(CreateData("Hello3")); |
| 214 // See the above test for the expected descriptions layout. |
| 215 |
| 216 ASSERT_TRUE( |
| 217 holder->HoldBlobConsolidation(kBlobUUID, make_scoped_ptr(consolidation))); |
| 218 |
| 219 std::vector<BlobItemBytesRequest> requests; |
| 220 std::vector<base::SharedMemoryHandle> memory_handles; |
| 221 std::vector<IPC::PlatformFileForTransit> file_handles; |
| 222 std::vector<storage::BlobItemBytesResponse> output; |
| 223 |
| 224 // Error conditions |
| 225 EXPECT_EQ(ResponsesStatus::BLOB_NOT_FOUND, |
| 226 holder->GetResponses(kBadBlobUUID, requests, &memory_handles, |
| 227 file_handles, &output)); |
| 228 |
| 229 requests.push_back(BlobItemBytesRequest::CreateIPCRequest(0, 5, 0, 10)); |
| 230 EXPECT_EQ(ResponsesStatus::INVALID_ITEM_INDEX, |
| 231 holder->GetResponses(kBlobUUID, requests, &memory_handles, |
| 232 file_handles, &output)); |
| 233 EXPECT_EQ(0u, output.size()); |
| 234 |
| 235 requests[0] = BlobItemBytesRequest::CreateIPCRequest(0, 0, 0, 10); |
| 236 EXPECT_EQ(ResponsesStatus::INVALID_ITEM, |
| 237 holder->GetResponses(kBlobUUID, requests, &memory_handles, |
| 238 file_handles, &output)); |
| 239 EXPECT_EQ(0u, output.size()); |
| 240 |
| 241 requests[0] = BlobItemBytesRequest::CreateIPCRequest(0, 1, 0, 20); |
| 242 EXPECT_EQ(ResponsesStatus::INVALID_DATA_RANGE, |
| 243 holder->GetResponses(kBlobUUID, requests, &memory_handles, |
| 244 file_handles, &output)); |
| 245 EXPECT_EQ(0u, output.size()); |
| 246 } |
| 247 |
| 248 } // namespace content |
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