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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 scoped_ptr<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 std::vector<DataElement> out; |
| 77 holder->GetDescriptions(consolidation.get(), kShortcutSize, &out); |
| 78 |
| 79 std::vector<DataElement> expected; |
| 80 expected.push_back(MakeBlobElement(KRefBlobUUID, 10, 10)); |
| 81 expected.push_back(MakeDataElement("HelloHello2")); |
| 82 expected.push_back(MakeBlobElement(KRefBlobUUID, 0, 10)); |
| 83 expected.push_back(MakeDataDescriptionElement(6)); |
| 84 EXPECT_EQ(expected, out); |
| 85 } |
| 86 |
| 87 TEST_F(BlobTransportControllerTest, Responses) { |
| 88 using ResponsesStatus = BlobTransportController::ResponsesStatus; |
| 89 const std::string kBlobUUID = "uuid"; |
| 90 const std::string KRefBlobUUID = "refuuid"; |
| 91 const std::string kBadBlobUUID = "uuuidBad"; |
| 92 BlobTransportController* holder = BlobTransportController::GetInstance(); |
| 93 |
| 94 // The first two data elements should be combined. |
| 95 BlobConsolidation* consolidation = new BlobConsolidation(); |
| 96 consolidation->AddBlobItem(KRefBlobUUID, 10, 10); |
| 97 consolidation->AddDataItem(CreateData("Hello")); |
| 98 consolidation->AddDataItem(CreateData("Hello2")); |
| 99 consolidation->AddBlobItem(KRefBlobUUID, 0, 10); |
| 100 consolidation->AddDataItem(CreateData("Hello3")); |
| 101 // See the above test for the expected descriptions layout. |
| 102 |
| 103 holder->blob_storage_.insert(kBlobUUID, make_scoped_ptr(consolidation)); |
| 104 |
| 105 std::vector<BlobItemBytesRequest> requests; |
| 106 std::vector<base::SharedMemoryHandle> memory_handles; |
| 107 std::vector<IPC::PlatformFileForTransit> file_handles; |
| 108 std::vector<storage::BlobItemBytesResponse> output; |
| 109 |
| 110 // Request for all of first data |
| 111 requests.push_back(BlobItemBytesRequest::CreateIPCRequest(0, 1, 0, 11)); |
| 112 EXPECT_EQ(ResponsesStatus::SUCCESS, |
| 113 holder->GetResponses(kBlobUUID, requests, &memory_handles, |
| 114 file_handles, &output)); |
| 115 EXPECT_EQ(1u, output.size()); |
| 116 std::vector<storage::BlobItemBytesResponse> expected; |
| 117 expected.push_back(ResponseWithData(0, "HelloHello2")); |
| 118 EXPECT_EQ(expected, output); |
| 119 |
| 120 // Part of second data |
| 121 output.clear(); |
| 122 requests[0] = BlobItemBytesRequest::CreateIPCRequest(1000, 3, 1, 5); |
| 123 EXPECT_EQ(ResponsesStatus::SUCCESS, |
| 124 holder->GetResponses(kBlobUUID, requests, &memory_handles, |
| 125 file_handles, &output)); |
| 126 EXPECT_EQ(1u, output.size()); |
| 127 expected.clear(); |
| 128 expected.push_back(ResponseWithData(1000, "ello3")); |
| 129 EXPECT_EQ(expected, output); |
| 130 |
| 131 // Both data segments |
| 132 output.clear(); |
| 133 requests[0] = BlobItemBytesRequest::CreateIPCRequest(0, 1, 0, 11); |
| 134 requests.push_back(BlobItemBytesRequest::CreateIPCRequest(1, 3, 0, 6)); |
| 135 EXPECT_EQ(ResponsesStatus::SUCCESS, |
| 136 holder->GetResponses(kBlobUUID, requests, &memory_handles, |
| 137 file_handles, &output)); |
| 138 EXPECT_EQ(2u, output.size()); |
| 139 expected.clear(); |
| 140 expected.push_back(ResponseWithData(0, "HelloHello2")); |
| 141 expected.push_back(ResponseWithData(1, "Hello3")); |
| 142 EXPECT_EQ(expected, output); |
| 143 } |
| 144 |
| 145 TEST_F(BlobTransportControllerTest, SharedMemory) { |
| 146 using ResponsesStatus = BlobTransportController::ResponsesStatus; |
| 147 const std::string kBlobUUID = "uuid"; |
| 148 const std::string KRefBlobUUID = "refuuid"; |
| 149 const std::string kBadBlobUUID = "uuuidBad"; |
| 150 BlobTransportController* holder = BlobTransportController::GetInstance(); |
| 151 |
| 152 // The first two data elements should be combined. |
| 153 BlobConsolidation* consolidation = new BlobConsolidation(); |
| 154 consolidation->AddBlobItem(KRefBlobUUID, 10, 10); |
| 155 consolidation->AddDataItem(CreateData("Hello")); |
| 156 consolidation->AddDataItem(CreateData("Hello2")); |
| 157 consolidation->AddBlobItem(KRefBlobUUID, 0, 10); |
| 158 consolidation->AddDataItem(CreateData("Hello3")); |
| 159 // See the above test for the expected descriptions layout. |
| 160 |
| 161 holder->blob_storage_.insert(kBlobUUID, make_scoped_ptr(consolidation)); |
| 162 |
| 163 std::vector<BlobItemBytesRequest> requests; |
| 164 std::vector<base::SharedMemoryHandle> memory_handles; |
| 165 std::vector<IPC::PlatformFileForTransit> file_handles; |
| 166 std::vector<storage::BlobItemBytesResponse> output; |
| 167 |
| 168 // Request for all data in shared memory |
| 169 requests.push_back( |
| 170 BlobItemBytesRequest::CreateSharedMemoryRequest(0, 1, 0, 11, 0, 0)); |
| 171 requests.push_back( |
| 172 BlobItemBytesRequest::CreateSharedMemoryRequest(1, 3, 0, 6, 0, 11)); |
| 173 base::SharedMemory memory; |
| 174 memory.CreateAndMapAnonymous(11 + 6); |
| 175 base::SharedMemoryHandle handle = |
| 176 base::SharedMemory::DuplicateHandle(memory.handle()); |
| 177 CHECK(base::SharedMemory::NULLHandle() != handle); |
| 178 memory_handles.push_back(handle); |
| 179 |
| 180 EXPECT_EQ(ResponsesStatus::SUCCESS, |
| 181 holder->GetResponses(kBlobUUID, requests, &memory_handles, |
| 182 file_handles, &output)); |
| 183 EXPECT_EQ(2u, output.size()); |
| 184 std::vector<storage::BlobItemBytesResponse> expected; |
| 185 expected.push_back(BlobItemBytesResponse(0)); |
| 186 expected.push_back(BlobItemBytesResponse(1)); |
| 187 EXPECT_EQ(expected, output); |
| 188 std::string expected_memory = "HelloHello2Hello3"; |
| 189 const char* mem_location = static_cast<const char*>(memory.memory()); |
| 190 std::vector<char> value(mem_location, mem_location + memory.requested_size()); |
| 191 EXPECT_THAT(value, testing::ElementsAreArray(expected_memory.c_str(), |
| 192 expected_memory.size())); |
| 193 } |
| 194 |
| 195 TEST_F(BlobTransportControllerTest, TestPublicMethods) { |
| 196 const std::string kBlobUUID = "uuid"; |
| 197 const std::string KRefBlobUUID = "refuuid"; |
| 198 const std::string kBadBlobUUID = "uuuidBad"; |
| 199 BlobTransportController* holder = BlobTransportController::GetInstance(); |
| 200 |
| 201 BlobConsolidation* consolidation = new BlobConsolidation(); |
| 202 consolidation->AddBlobItem(KRefBlobUUID, 10, 10); |
| 203 holder->InitiateBlobTransfer(kBlobUUID, "", make_scoped_ptr(consolidation), |
| 204 nullptr); |
| 205 holder->OnCancel(kBlobUUID, |
| 206 storage::IPCBlobCreationCancelCode::OUT_OF_MEMORY); |
| 207 EXPECT_FALSE(holder->IsTransporting(kBlobUUID)); |
| 208 |
| 209 consolidation = new BlobConsolidation(); |
| 210 consolidation->AddBlobItem(KRefBlobUUID, 10, 10); |
| 211 holder->InitiateBlobTransfer(kBlobUUID, "", make_scoped_ptr(consolidation), |
| 212 nullptr); |
| 213 holder->OnDone(kBlobUUID); |
| 214 EXPECT_FALSE(holder->IsTransporting(kBlobUUID)); |
| 215 } |
| 216 |
| 217 TEST_F(BlobTransportControllerTest, ResponsesErrors) { |
| 218 using ResponsesStatus = BlobTransportController::ResponsesStatus; |
| 219 const std::string kBlobUUID = "uuid"; |
| 220 const std::string KRefBlobUUID = "refuuid"; |
| 221 const std::string kBadBlobUUID = "uuuidBad"; |
| 222 BlobTransportController* holder = BlobTransportController::GetInstance(); |
| 223 |
| 224 BlobConsolidation* consolidation = new BlobConsolidation(); |
| 225 consolidation->AddBlobItem(KRefBlobUUID, 10, 10); |
| 226 |
| 227 holder->blob_storage_.insert(kBlobUUID, make_scoped_ptr(consolidation)); |
| 228 |
| 229 std::vector<BlobItemBytesRequest> requests; |
| 230 std::vector<base::SharedMemoryHandle> memory_handles; |
| 231 std::vector<IPC::PlatformFileForTransit> file_handles; |
| 232 std::vector<storage::BlobItemBytesResponse> output; |
| 233 |
| 234 // Error conditions |
| 235 EXPECT_EQ(ResponsesStatus::BLOB_NOT_FOUND, |
| 236 holder->GetResponses(kBadBlobUUID, requests, &memory_handles, |
| 237 file_handles, &output)); |
| 238 EXPECT_EQ(0u, output.size()); |
| 239 } |
| 240 |
| 241 } // namespace content |
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