Mercurial > hg > orthanc
annotate OrthancFramework/UnitTestsSources/StreamTests.cpp @ 4204:318c16cfccab
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 17 Sep 2020 16:18:01 +0200 |
| parents | bf7b9edf6b81 |
| children | b96aedfa8cc1 |
| rev | line source |
|---|---|
| 1525 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
| 1525 | 4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
| 1525 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
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8 * modify it under the terms of the GNU Lesser General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the License, or (at your option) any later version. |
| 1525 | 11 * |
| 12 * This program is distributed in the hope that it will be useful, but | |
| 13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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15 * Lesser General Public License for more details. |
| 1525 | 16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
| 1525 | 20 **/ |
| 21 | |
| 22 | |
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23 #if ORTHANC_UNIT_TESTS_LINK_FRAMEWORK == 1 |
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24 // Must be the first to be sure to use the Orthanc framework shared library |
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25 # include <OrthancFramework.h> |
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26 #endif |
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27 |
| 4062 | 28 #include <gtest/gtest.h> |
| 1525 | 29 |
| 4045 | 30 #include "../Sources/SystemToolbox.h" |
| 31 #include "../Sources/Toolbox.h" | |
| 32 #include "../Sources/OrthancException.h" | |
| 33 #include "../Sources/HttpServer/BufferHttpSender.h" | |
| 34 #include "../Sources/HttpServer/FilesystemHttpSender.h" | |
| 35 #include "../Sources/HttpServer/HttpStreamTranscoder.h" | |
| 36 #include "../Sources/Compression/ZlibCompressor.h" | |
| 37 #include "../Sources/Compression/GzipCompressor.h" | |
| 1525 | 38 |
| 39 | |
| 40 using namespace Orthanc; | |
| 41 | |
| 42 | |
| 43 TEST(Gzip, Basic) | |
| 44 { | |
| 45 std::string s = "Hello world"; | |
| 46 | |
| 47 std::string compressed; | |
| 48 GzipCompressor c; | |
| 49 ASSERT_FALSE(c.HasPrefixWithUncompressedSize()); | |
| 50 IBufferCompressor::Compress(compressed, c, s); | |
| 51 | |
| 52 std::string uncompressed; | |
| 53 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 54 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 55 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 56 } | |
| 57 | |
| 58 | |
| 59 TEST(Gzip, Empty) | |
| 60 { | |
| 61 std::string s; | |
| 62 | |
| 63 std::string compressed; | |
| 64 GzipCompressor c; | |
| 65 ASSERT_FALSE(c.HasPrefixWithUncompressedSize()); | |
| 66 c.SetPrefixWithUncompressedSize(false); | |
| 67 IBufferCompressor::Compress(compressed, c, s); | |
| 68 | |
| 69 std::string uncompressed; | |
| 70 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 71 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 72 } |
| 73 | |
| 74 | |
| 75 TEST(Gzip, BasicWithPrefix) | |
| 76 { | |
| 77 std::string s = "Hello world"; | |
| 78 | |
| 79 std::string compressed; | |
| 80 GzipCompressor c; | |
| 81 c.SetPrefixWithUncompressedSize(true); | |
| 82 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 83 IBufferCompressor::Compress(compressed, c, s); | |
| 84 | |
| 85 std::string uncompressed; | |
| 86 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 87 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 88 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 89 } | |
| 90 | |
| 91 | |
| 92 TEST(Gzip, EmptyWithPrefix) | |
| 93 { | |
| 94 std::string s; | |
| 95 | |
| 96 std::string compressed; | |
| 97 GzipCompressor c; | |
| 98 c.SetPrefixWithUncompressedSize(true); | |
| 99 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 100 IBufferCompressor::Compress(compressed, c, s); | |
| 101 | |
| 102 std::string uncompressed; | |
| 103 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 104 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 105 } |
| 106 | |
| 107 | |
| 108 TEST(Zlib, Basic) | |
| 109 { | |
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110 std::string s = Toolbox::GenerateUuid(); |
| 1525 | 111 s = s + s + s + s; |
| 112 | |
| 4204 | 113 std::string compressed; |
| 1525 | 114 ZlibCompressor c; |
| 115 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 116 IBufferCompressor::Compress(compressed, c, s); | |
| 117 | |
| 118 std::string uncompressed; | |
| 119 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 120 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 121 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 122 } | |
| 123 | |
| 124 | |
| 125 TEST(Zlib, Level) | |
| 126 { | |
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127 std::string s = Toolbox::GenerateUuid(); |
| 1525 | 128 s = s + s + s + s; |
| 129 | |
| 130 std::string compressed, compressed2; | |
| 131 ZlibCompressor c; | |
| 132 c.SetCompressionLevel(9); | |
| 133 IBufferCompressor::Compress(compressed, c, s); | |
| 134 | |
| 135 c.SetCompressionLevel(0); | |
| 136 IBufferCompressor::Compress(compressed2, c, s); | |
| 137 | |
| 138 ASSERT_TRUE(compressed.size() < compressed2.size()); | |
| 139 } | |
| 140 | |
| 141 | |
| 142 TEST(Zlib, DISABLED_Corrupted) // Disabled because it may result in a crash | |
| 143 { | |
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144 std::string s = Toolbox::GenerateUuid(); |
| 1525 | 145 s = s + s + s + s; |
| 146 | |
| 147 std::string compressed; | |
| 148 ZlibCompressor c; | |
| 149 IBufferCompressor::Compress(compressed, c, s); | |
| 150 | |
| 1972 | 151 ASSERT_FALSE(compressed.empty()); |
| 1525 | 152 compressed[compressed.size() - 1] = 'a'; |
| 153 std::string u; | |
| 154 | |
| 155 ASSERT_THROW(IBufferCompressor::Uncompress(u, c, compressed), OrthancException); | |
| 156 } | |
| 157 | |
| 158 | |
| 159 TEST(Zlib, Empty) | |
| 160 { | |
| 161 std::string s = ""; | |
| 162 | |
| 163 std::string compressed, compressed2; | |
| 164 ZlibCompressor c; | |
| 165 IBufferCompressor::Compress(compressed, c, s); | |
| 166 ASSERT_EQ(compressed, compressed2); | |
| 167 | |
| 168 std::string uncompressed; | |
| 169 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 170 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 171 } |
| 172 | |
| 173 | |
| 174 static bool ReadAllStream(std::string& result, | |
| 175 IHttpStreamAnswer& stream, | |
| 176 bool allowGzip = false, | |
| 177 bool allowDeflate = false) | |
| 178 { | |
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179 stream.SetupHttpCompression(allowGzip, allowDeflate); |
| 1525 | 180 |
| 1545 | 181 result.resize(static_cast<size_t>(stream.GetContentLength())); |
| 1525 | 182 |
| 183 size_t pos = 0; | |
| 184 while (stream.ReadNextChunk()) | |
| 185 { | |
| 186 size_t s = stream.GetChunkSize(); | |
| 187 if (pos + s > result.size()) | |
| 188 { | |
| 189 return false; | |
| 190 } | |
| 191 | |
| 192 memcpy(&result[pos], stream.GetChunkContent(), s); | |
| 193 pos += s; | |
| 194 } | |
| 195 | |
| 196 return pos == result.size(); | |
| 197 } | |
| 198 | |
| 199 | |
| 200 TEST(BufferHttpSender, Basic) | |
| 201 { | |
| 202 const std::string s = "Hello world"; | |
| 203 std::string t; | |
| 204 | |
| 205 { | |
| 206 BufferHttpSender sender; | |
| 207 sender.SetChunkSize(1); | |
| 208 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 209 ASSERT_EQ(0u, t.size()); | |
| 210 } | |
| 211 | |
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212 for (int cs = 0; cs < 5; cs++) |
| 1525 | 213 { |
| 214 BufferHttpSender sender; | |
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215 sender.SetChunkSize(cs); |
| 1525 | 216 sender.GetBuffer() = s; |
| 217 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 218 ASSERT_EQ(s, t); | |
| 219 } | |
| 220 } | |
| 221 | |
| 222 | |
| 223 TEST(FilesystemHttpSender, Basic) | |
| 224 { | |
| 225 const std::string& path = "UnitTestsResults/stream"; | |
| 226 const std::string s = "Hello world"; | |
| 227 std::string t; | |
| 228 | |
| 229 { | |
| 2140 | 230 SystemToolbox::WriteFile(s, path); |
| 1525 | 231 FilesystemHttpSender sender(path); |
| 232 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 233 ASSERT_EQ(s, t); | |
| 234 } | |
| 235 | |
| 236 { | |
| 2140 | 237 SystemToolbox::WriteFile("", path); |
| 1525 | 238 FilesystemHttpSender sender(path); |
| 239 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 240 ASSERT_EQ(0u, t.size()); | |
| 241 } | |
| 242 } | |
| 243 | |
| 244 | |
| 245 TEST(HttpStreamTranscoder, Basic) | |
| 246 { | |
| 247 ZlibCompressor compressor; | |
| 248 | |
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249 const std::string s = "Hello world " + Toolbox::GenerateUuid(); |
| 1525 | 250 |
| 251 std::string t; | |
| 252 IBufferCompressor::Compress(t, compressor, s); | |
| 253 | |
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254 for (int cs = 0; cs < 5; cs++) |
| 1525 | 255 { |
| 256 BufferHttpSender sender; | |
| 257 sender.SetChunkSize(cs); | |
| 258 sender.GetBuffer() = t; | |
| 259 std::string u; | |
| 260 ASSERT_TRUE(ReadAllStream(u, sender)); | |
| 261 | |
| 262 std::string v; | |
| 263 IBufferCompressor::Uncompress(v, compressor, u); | |
| 264 ASSERT_EQ(s, v); | |
| 265 } | |
| 266 | |
| 267 // Pass-through test, no decompression occurs | |
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268 for (int cs = 0; cs < 5; cs++) |
| 1525 | 269 { |
| 270 BufferHttpSender sender; | |
| 271 sender.SetChunkSize(cs); | |
| 272 sender.GetBuffer() = t; | |
| 273 | |
| 274 HttpStreamTranscoder transcode(sender, CompressionType_None); | |
| 275 | |
| 276 std::string u; | |
| 277 ASSERT_TRUE(ReadAllStream(u, transcode)); | |
| 278 | |
| 279 ASSERT_EQ(t, u); | |
| 280 } | |
| 281 | |
| 282 // Pass-through test, decompression occurs | |
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283 for (int cs = 0; cs < 5; cs++) |
| 1525 | 284 { |
| 285 BufferHttpSender sender; | |
| 286 sender.SetChunkSize(cs); | |
| 287 sender.GetBuffer() = t; | |
| 288 | |
| 289 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); | |
| 290 | |
| 291 std::string u; | |
| 292 ASSERT_TRUE(ReadAllStream(u, transcode, false, false)); | |
| 293 | |
| 294 ASSERT_EQ(s, u); | |
| 295 } | |
| 296 | |
| 297 // Pass-through test with zlib, no decompression occurs but deflate is sent | |
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298 for (int cs = 0; cs < 16; cs++) |
| 1525 | 299 { |
| 300 BufferHttpSender sender; | |
| 301 sender.SetChunkSize(cs); | |
| 302 sender.GetBuffer() = t; | |
| 303 | |
| 304 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); | |
| 305 | |
| 306 std::string u; | |
| 307 ASSERT_TRUE(ReadAllStream(u, transcode, false, true)); | |
| 308 | |
| 309 ASSERT_EQ(t.size() - sizeof(uint64_t), u.size()); | |
| 310 ASSERT_EQ(t.substr(sizeof(uint64_t)), u); | |
| 311 } | |
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312 |
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313 for (int cs = 0; cs < 3; cs++) |
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314 { |
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315 BufferHttpSender sender; |
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316 sender.SetChunkSize(cs); |
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317 |
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318 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); |
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319 std::string u; |
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320 ASSERT_TRUE(ReadAllStream(u, transcode, false, true)); |
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321 |
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322 ASSERT_EQ(0u, u.size()); |
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323 } |
| 1525 | 324 } |