Mercurial > hg > orthanc
annotate UnitTestsSources/StreamTests.cpp @ 4085:da06381f3091
backporting fix from framework branch to mainline
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 25 Jun 2020 15:11:41 +0200 |
| parents | 27628b0f6ada |
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| rev | line source |
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| 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 | |
| 8 * modify it under the terms of the GNU General Public License as | |
| 9 * published by the Free Software Foundation, either version 3 of the | |
| 10 * License, or (at your option) any later version. | |
| 11 * | |
| 12 * In addition, as a special exception, the copyright holders of this | |
| 13 * program give permission to link the code of its release with the | |
| 14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 15 * that use the same license as the "OpenSSL" library), and distribute | |
| 16 * the linked executables. You must obey the GNU General Public License | |
| 17 * in all respects for all of the code used other than "OpenSSL". If you | |
| 18 * modify file(s) with this exception, you may extend this exception to | |
| 19 * your version of the file(s), but you are not obligated to do so. If | |
| 20 * you do not wish to do so, delete this exception statement from your | |
| 21 * version. If you delete this exception statement from all source files | |
| 22 * in the program, then also delete it here. | |
| 23 * | |
| 24 * This program is distributed in the hope that it will be useful, but | |
| 25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 27 * General Public License for more details. | |
| 28 * | |
| 29 * You should have received a copy of the GNU General Public License | |
| 30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 31 **/ | |
| 32 | |
| 33 | |
|
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34 #if ORTHANC_UNIT_TESTS_LINK_FRAMEWORK == 1 |
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35 # include <OrthancFramework.h> |
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36 #endif |
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37 |
| 1525 | 38 #include "PrecompiledHeadersUnitTests.h" |
| 39 #include "gtest/gtest.h" | |
| 40 | |
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41 #include "../Core/SystemToolbox.h" |
| 1525 | 42 #include "../Core/Toolbox.h" |
| 43 #include "../Core/OrthancException.h" | |
| 44 #include "../Core/HttpServer/BufferHttpSender.h" | |
| 45 #include "../Core/HttpServer/FilesystemHttpSender.h" | |
| 46 #include "../Core/HttpServer/HttpStreamTranscoder.h" | |
| 47 #include "../Core/Compression/ZlibCompressor.h" | |
| 48 #include "../Core/Compression/GzipCompressor.h" | |
| 49 | |
| 50 | |
| 51 using namespace Orthanc; | |
| 52 | |
| 53 | |
| 54 TEST(Gzip, Basic) | |
| 55 { | |
| 56 std::string s = "Hello world"; | |
| 57 | |
| 58 std::string compressed; | |
| 59 GzipCompressor c; | |
| 60 ASSERT_FALSE(c.HasPrefixWithUncompressedSize()); | |
| 61 IBufferCompressor::Compress(compressed, c, s); | |
| 62 | |
| 63 std::string uncompressed; | |
| 64 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 65 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 66 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 67 } | |
| 68 | |
| 69 | |
| 70 TEST(Gzip, Empty) | |
| 71 { | |
| 72 std::string s; | |
| 73 | |
| 74 std::string compressed; | |
| 75 GzipCompressor c; | |
| 76 ASSERT_FALSE(c.HasPrefixWithUncompressedSize()); | |
| 77 c.SetPrefixWithUncompressedSize(false); | |
| 78 IBufferCompressor::Compress(compressed, c, s); | |
| 79 | |
| 80 std::string uncompressed; | |
| 81 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 82 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 83 } |
| 84 | |
| 85 | |
| 86 TEST(Gzip, BasicWithPrefix) | |
| 87 { | |
| 88 std::string s = "Hello world"; | |
| 89 | |
| 90 std::string compressed; | |
| 91 GzipCompressor c; | |
| 92 c.SetPrefixWithUncompressedSize(true); | |
| 93 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 94 IBufferCompressor::Compress(compressed, c, s); | |
| 95 | |
| 96 std::string uncompressed; | |
| 97 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 98 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 99 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 100 } | |
| 101 | |
| 102 | |
| 103 TEST(Gzip, EmptyWithPrefix) | |
| 104 { | |
| 105 std::string s; | |
| 106 | |
| 107 std::string compressed; | |
| 108 GzipCompressor c; | |
| 109 c.SetPrefixWithUncompressedSize(true); | |
| 110 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 111 IBufferCompressor::Compress(compressed, c, s); | |
| 112 | |
| 113 std::string uncompressed; | |
| 114 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 115 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 116 } |
| 117 | |
| 118 | |
| 119 TEST(Zlib, Basic) | |
| 120 { | |
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121 std::string s = Toolbox::GenerateUuid(); |
| 1525 | 122 s = s + s + s + s; |
| 123 | |
| 124 std::string compressed, compressed2; | |
| 125 ZlibCompressor c; | |
| 126 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 127 IBufferCompressor::Compress(compressed, c, s); | |
| 128 | |
| 129 std::string uncompressed; | |
| 130 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 131 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 132 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 133 } | |
| 134 | |
| 135 | |
| 136 TEST(Zlib, Level) | |
| 137 { | |
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138 std::string s = Toolbox::GenerateUuid(); |
| 1525 | 139 s = s + s + s + s; |
| 140 | |
| 141 std::string compressed, compressed2; | |
| 142 ZlibCompressor c; | |
| 143 c.SetCompressionLevel(9); | |
| 144 IBufferCompressor::Compress(compressed, c, s); | |
| 145 | |
| 146 c.SetCompressionLevel(0); | |
| 147 IBufferCompressor::Compress(compressed2, c, s); | |
| 148 | |
| 149 ASSERT_TRUE(compressed.size() < compressed2.size()); | |
| 150 } | |
| 151 | |
| 152 | |
| 153 TEST(Zlib, DISABLED_Corrupted) // Disabled because it may result in a crash | |
| 154 { | |
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155 std::string s = Toolbox::GenerateUuid(); |
| 1525 | 156 s = s + s + s + s; |
| 157 | |
| 158 std::string compressed; | |
| 159 ZlibCompressor c; | |
| 160 IBufferCompressor::Compress(compressed, c, s); | |
| 161 | |
| 1972 | 162 ASSERT_FALSE(compressed.empty()); |
| 1525 | 163 compressed[compressed.size() - 1] = 'a'; |
| 164 std::string u; | |
| 165 | |
| 166 ASSERT_THROW(IBufferCompressor::Uncompress(u, c, compressed), OrthancException); | |
| 167 } | |
| 168 | |
| 169 | |
| 170 TEST(Zlib, Empty) | |
| 171 { | |
| 172 std::string s = ""; | |
| 173 | |
| 174 std::string compressed, compressed2; | |
| 175 ZlibCompressor c; | |
| 176 IBufferCompressor::Compress(compressed, c, s); | |
| 177 ASSERT_EQ(compressed, compressed2); | |
| 178 | |
| 179 std::string uncompressed; | |
| 180 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 181 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 182 } |
| 183 | |
| 184 | |
| 185 static bool ReadAllStream(std::string& result, | |
| 186 IHttpStreamAnswer& stream, | |
| 187 bool allowGzip = false, | |
| 188 bool allowDeflate = false) | |
| 189 { | |
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190 stream.SetupHttpCompression(allowGzip, allowDeflate); |
| 1525 | 191 |
| 1545 | 192 result.resize(static_cast<size_t>(stream.GetContentLength())); |
| 1525 | 193 |
| 194 size_t pos = 0; | |
| 195 while (stream.ReadNextChunk()) | |
| 196 { | |
| 197 size_t s = stream.GetChunkSize(); | |
| 198 if (pos + s > result.size()) | |
| 199 { | |
| 200 return false; | |
| 201 } | |
| 202 | |
| 203 memcpy(&result[pos], stream.GetChunkContent(), s); | |
| 204 pos += s; | |
| 205 } | |
| 206 | |
| 207 return pos == result.size(); | |
| 208 } | |
| 209 | |
| 210 | |
| 211 TEST(BufferHttpSender, Basic) | |
| 212 { | |
| 213 const std::string s = "Hello world"; | |
| 214 std::string t; | |
| 215 | |
| 216 { | |
| 217 BufferHttpSender sender; | |
| 218 sender.SetChunkSize(1); | |
| 219 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 220 ASSERT_EQ(0u, t.size()); | |
| 221 } | |
| 222 | |
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223 for (int cs = 0; cs < 5; cs++) |
| 1525 | 224 { |
| 225 BufferHttpSender sender; | |
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226 sender.SetChunkSize(cs); |
| 1525 | 227 sender.GetBuffer() = s; |
| 228 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 229 ASSERT_EQ(s, t); | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 | |
| 234 TEST(FilesystemHttpSender, Basic) | |
| 235 { | |
| 236 const std::string& path = "UnitTestsResults/stream"; | |
| 237 const std::string s = "Hello world"; | |
| 238 std::string t; | |
| 239 | |
| 240 { | |
| 2140 | 241 SystemToolbox::WriteFile(s, path); |
| 1525 | 242 FilesystemHttpSender sender(path); |
| 243 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 244 ASSERT_EQ(s, t); | |
| 245 } | |
| 246 | |
| 247 { | |
| 2140 | 248 SystemToolbox::WriteFile("", path); |
| 1525 | 249 FilesystemHttpSender sender(path); |
| 250 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 251 ASSERT_EQ(0u, t.size()); | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 | |
| 256 TEST(HttpStreamTranscoder, Basic) | |
| 257 { | |
| 258 ZlibCompressor compressor; | |
| 259 | |
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260 const std::string s = "Hello world " + Toolbox::GenerateUuid(); |
| 1525 | 261 |
| 262 std::string t; | |
| 263 IBufferCompressor::Compress(t, compressor, s); | |
| 264 | |
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265 for (int cs = 0; cs < 5; cs++) |
| 1525 | 266 { |
| 267 BufferHttpSender sender; | |
| 268 sender.SetChunkSize(cs); | |
| 269 sender.GetBuffer() = t; | |
| 270 std::string u; | |
| 271 ASSERT_TRUE(ReadAllStream(u, sender)); | |
| 272 | |
| 273 std::string v; | |
| 274 IBufferCompressor::Uncompress(v, compressor, u); | |
| 275 ASSERT_EQ(s, v); | |
| 276 } | |
| 277 | |
| 278 // Pass-through test, no decompression occurs | |
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279 for (int cs = 0; cs < 5; cs++) |
| 1525 | 280 { |
| 281 BufferHttpSender sender; | |
| 282 sender.SetChunkSize(cs); | |
| 283 sender.GetBuffer() = t; | |
| 284 | |
| 285 HttpStreamTranscoder transcode(sender, CompressionType_None); | |
| 286 | |
| 287 std::string u; | |
| 288 ASSERT_TRUE(ReadAllStream(u, transcode)); | |
| 289 | |
| 290 ASSERT_EQ(t, u); | |
| 291 } | |
| 292 | |
| 293 // Pass-through test, decompression occurs | |
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294 for (int cs = 0; cs < 5; cs++) |
| 1525 | 295 { |
| 296 BufferHttpSender sender; | |
| 297 sender.SetChunkSize(cs); | |
| 298 sender.GetBuffer() = t; | |
| 299 | |
| 300 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); | |
| 301 | |
| 302 std::string u; | |
| 303 ASSERT_TRUE(ReadAllStream(u, transcode, false, false)); | |
| 304 | |
| 305 ASSERT_EQ(s, u); | |
| 306 } | |
| 307 | |
| 308 // Pass-through test with zlib, no decompression occurs but deflate is sent | |
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309 for (int cs = 0; cs < 16; cs++) |
| 1525 | 310 { |
| 311 BufferHttpSender sender; | |
| 312 sender.SetChunkSize(cs); | |
| 313 sender.GetBuffer() = t; | |
| 314 | |
| 315 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); | |
| 316 | |
| 317 std::string u; | |
| 318 ASSERT_TRUE(ReadAllStream(u, transcode, false, true)); | |
| 319 | |
| 320 ASSERT_EQ(t.size() - sizeof(uint64_t), u.size()); | |
| 321 ASSERT_EQ(t.substr(sizeof(uint64_t)), u); | |
| 322 } | |
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323 |
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324 for (int cs = 0; cs < 3; cs++) |
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325 { |
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326 BufferHttpSender sender; |
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327 sender.SetChunkSize(cs); |
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328 |
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329 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); |
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330 std::string u; |
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331 ASSERT_TRUE(ReadAllStream(u, transcode, false, true)); |
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332 |
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333 ASSERT_EQ(0u, u.size()); |
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334 } |
| 1525 | 335 } |