Mercurial > hg > orthanc
annotate UnitTestsSources/StreamTests.cpp @ 3060:4e43e67f8ecf
preparing for 2019
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 24 Dec 2018 11:39:11 +0100 |
| parents | 4dcafa8d6633 |
| children | 94f4a18a79cc |
| 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) 2017-2019 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 | |
| 34 #include "PrecompiledHeadersUnitTests.h" | |
| 35 #include "gtest/gtest.h" | |
| 36 | |
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37 #include "../Core/SystemToolbox.h" |
| 1525 | 38 #include "../Core/Toolbox.h" |
| 39 #include "../Core/OrthancException.h" | |
| 40 #include "../Core/HttpServer/BufferHttpSender.h" | |
| 41 #include "../Core/HttpServer/FilesystemHttpSender.h" | |
| 42 #include "../Core/HttpServer/HttpStreamTranscoder.h" | |
| 43 #include "../Core/Compression/ZlibCompressor.h" | |
| 44 #include "../Core/Compression/GzipCompressor.h" | |
| 45 | |
| 46 | |
| 47 using namespace Orthanc; | |
| 48 | |
| 49 | |
| 50 TEST(Gzip, Basic) | |
| 51 { | |
| 52 std::string s = "Hello world"; | |
| 53 | |
| 54 std::string compressed; | |
| 55 GzipCompressor c; | |
| 56 ASSERT_FALSE(c.HasPrefixWithUncompressedSize()); | |
| 57 IBufferCompressor::Compress(compressed, c, s); | |
| 58 | |
| 59 std::string uncompressed; | |
| 60 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 61 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 62 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 63 } | |
| 64 | |
| 65 | |
| 66 TEST(Gzip, Empty) | |
| 67 { | |
| 68 std::string s; | |
| 69 | |
| 70 std::string compressed; | |
| 71 GzipCompressor c; | |
| 72 ASSERT_FALSE(c.HasPrefixWithUncompressedSize()); | |
| 73 c.SetPrefixWithUncompressedSize(false); | |
| 74 IBufferCompressor::Compress(compressed, c, s); | |
| 75 | |
| 76 std::string uncompressed; | |
| 77 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 78 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 79 } |
| 80 | |
| 81 | |
| 82 TEST(Gzip, BasicWithPrefix) | |
| 83 { | |
| 84 std::string s = "Hello world"; | |
| 85 | |
| 86 std::string compressed; | |
| 87 GzipCompressor c; | |
| 88 c.SetPrefixWithUncompressedSize(true); | |
| 89 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 90 IBufferCompressor::Compress(compressed, c, s); | |
| 91 | |
| 92 std::string uncompressed; | |
| 93 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 94 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 95 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 96 } | |
| 97 | |
| 98 | |
| 99 TEST(Gzip, EmptyWithPrefix) | |
| 100 { | |
| 101 std::string s; | |
| 102 | |
| 103 std::string compressed; | |
| 104 GzipCompressor c; | |
| 105 c.SetPrefixWithUncompressedSize(true); | |
| 106 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 107 IBufferCompressor::Compress(compressed, c, s); | |
| 108 | |
| 109 std::string uncompressed; | |
| 110 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 111 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 112 } |
| 113 | |
| 114 | |
| 115 TEST(Zlib, Basic) | |
| 116 { | |
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117 std::string s = Toolbox::GenerateUuid(); |
| 1525 | 118 s = s + s + s + s; |
| 119 | |
| 120 std::string compressed, compressed2; | |
| 121 ZlibCompressor c; | |
| 122 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 123 IBufferCompressor::Compress(compressed, c, s); | |
| 124 | |
| 125 std::string uncompressed; | |
| 126 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 127 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 128 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 129 } | |
| 130 | |
| 131 | |
| 132 TEST(Zlib, Level) | |
| 133 { | |
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134 std::string s = Toolbox::GenerateUuid(); |
| 1525 | 135 s = s + s + s + s; |
| 136 | |
| 137 std::string compressed, compressed2; | |
| 138 ZlibCompressor c; | |
| 139 c.SetCompressionLevel(9); | |
| 140 IBufferCompressor::Compress(compressed, c, s); | |
| 141 | |
| 142 c.SetCompressionLevel(0); | |
| 143 IBufferCompressor::Compress(compressed2, c, s); | |
| 144 | |
| 145 ASSERT_TRUE(compressed.size() < compressed2.size()); | |
| 146 } | |
| 147 | |
| 148 | |
| 149 TEST(Zlib, DISABLED_Corrupted) // Disabled because it may result in a crash | |
| 150 { | |
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151 std::string s = Toolbox::GenerateUuid(); |
| 1525 | 152 s = s + s + s + s; |
| 153 | |
| 154 std::string compressed; | |
| 155 ZlibCompressor c; | |
| 156 IBufferCompressor::Compress(compressed, c, s); | |
| 157 | |
| 1972 | 158 ASSERT_FALSE(compressed.empty()); |
| 1525 | 159 compressed[compressed.size() - 1] = 'a'; |
| 160 std::string u; | |
| 161 | |
| 162 ASSERT_THROW(IBufferCompressor::Uncompress(u, c, compressed), OrthancException); | |
| 163 } | |
| 164 | |
| 165 | |
| 166 TEST(Zlib, Empty) | |
| 167 { | |
| 168 std::string s = ""; | |
| 169 | |
| 170 std::string compressed, compressed2; | |
| 171 ZlibCompressor c; | |
| 172 IBufferCompressor::Compress(compressed, c, s); | |
| 173 ASSERT_EQ(compressed, compressed2); | |
| 174 | |
| 175 std::string uncompressed; | |
| 176 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 177 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 178 } |
| 179 | |
| 180 | |
| 181 static bool ReadAllStream(std::string& result, | |
| 182 IHttpStreamAnswer& stream, | |
| 183 bool allowGzip = false, | |
| 184 bool allowDeflate = false) | |
| 185 { | |
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186 stream.SetupHttpCompression(allowGzip, allowDeflate); |
| 1525 | 187 |
| 1545 | 188 result.resize(static_cast<size_t>(stream.GetContentLength())); |
| 1525 | 189 |
| 190 size_t pos = 0; | |
| 191 while (stream.ReadNextChunk()) | |
| 192 { | |
| 193 size_t s = stream.GetChunkSize(); | |
| 194 if (pos + s > result.size()) | |
| 195 { | |
| 196 return false; | |
| 197 } | |
| 198 | |
| 199 memcpy(&result[pos], stream.GetChunkContent(), s); | |
| 200 pos += s; | |
| 201 } | |
| 202 | |
| 203 return pos == result.size(); | |
| 204 } | |
| 205 | |
| 206 | |
| 207 TEST(BufferHttpSender, Basic) | |
| 208 { | |
| 209 const std::string s = "Hello world"; | |
| 210 std::string t; | |
| 211 | |
| 212 { | |
| 213 BufferHttpSender sender; | |
| 214 sender.SetChunkSize(1); | |
| 215 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 216 ASSERT_EQ(0u, t.size()); | |
| 217 } | |
| 218 | |
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219 for (int cs = 0; cs < 5; cs++) |
| 1525 | 220 { |
| 221 BufferHttpSender sender; | |
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222 sender.SetChunkSize(cs); |
| 1525 | 223 sender.GetBuffer() = s; |
| 224 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 225 ASSERT_EQ(s, t); | |
| 226 } | |
| 227 } | |
| 228 | |
| 229 | |
| 230 TEST(FilesystemHttpSender, Basic) | |
| 231 { | |
| 232 const std::string& path = "UnitTestsResults/stream"; | |
| 233 const std::string s = "Hello world"; | |
| 234 std::string t; | |
| 235 | |
| 236 { | |
| 2140 | 237 SystemToolbox::WriteFile(s, path); |
| 1525 | 238 FilesystemHttpSender sender(path); |
| 239 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 240 ASSERT_EQ(s, t); | |
| 241 } | |
| 242 | |
| 243 { | |
| 2140 | 244 SystemToolbox::WriteFile("", path); |
| 1525 | 245 FilesystemHttpSender sender(path); |
| 246 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 247 ASSERT_EQ(0u, t.size()); | |
| 248 } | |
| 249 } | |
| 250 | |
| 251 | |
| 252 TEST(HttpStreamTranscoder, Basic) | |
| 253 { | |
| 254 ZlibCompressor compressor; | |
| 255 | |
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256 const std::string s = "Hello world " + Toolbox::GenerateUuid(); |
| 1525 | 257 |
| 258 std::string t; | |
| 259 IBufferCompressor::Compress(t, compressor, s); | |
| 260 | |
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261 for (int cs = 0; cs < 5; cs++) |
| 1525 | 262 { |
| 263 BufferHttpSender sender; | |
| 264 sender.SetChunkSize(cs); | |
| 265 sender.GetBuffer() = t; | |
| 266 std::string u; | |
| 267 ASSERT_TRUE(ReadAllStream(u, sender)); | |
| 268 | |
| 269 std::string v; | |
| 270 IBufferCompressor::Uncompress(v, compressor, u); | |
| 271 ASSERT_EQ(s, v); | |
| 272 } | |
| 273 | |
| 274 // Pass-through test, no decompression occurs | |
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275 for (int cs = 0; cs < 5; cs++) |
| 1525 | 276 { |
| 277 BufferHttpSender sender; | |
| 278 sender.SetChunkSize(cs); | |
| 279 sender.GetBuffer() = t; | |
| 280 | |
| 281 HttpStreamTranscoder transcode(sender, CompressionType_None); | |
| 282 | |
| 283 std::string u; | |
| 284 ASSERT_TRUE(ReadAllStream(u, transcode)); | |
| 285 | |
| 286 ASSERT_EQ(t, u); | |
| 287 } | |
| 288 | |
| 289 // Pass-through test, decompression occurs | |
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290 for (int cs = 0; cs < 5; cs++) |
| 1525 | 291 { |
| 292 BufferHttpSender sender; | |
| 293 sender.SetChunkSize(cs); | |
| 294 sender.GetBuffer() = t; | |
| 295 | |
| 296 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); | |
| 297 | |
| 298 std::string u; | |
| 299 ASSERT_TRUE(ReadAllStream(u, transcode, false, false)); | |
| 300 | |
| 301 ASSERT_EQ(s, u); | |
| 302 } | |
| 303 | |
| 304 // Pass-through test with zlib, no decompression occurs but deflate is sent | |
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305 for (int cs = 0; cs < 16; cs++) |
| 1525 | 306 { |
| 307 BufferHttpSender sender; | |
| 308 sender.SetChunkSize(cs); | |
| 309 sender.GetBuffer() = t; | |
| 310 | |
| 311 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); | |
| 312 | |
| 313 std::string u; | |
| 314 ASSERT_TRUE(ReadAllStream(u, transcode, false, true)); | |
| 315 | |
| 316 ASSERT_EQ(t.size() - sizeof(uint64_t), u.size()); | |
| 317 ASSERT_EQ(t.substr(sizeof(uint64_t)), u); | |
| 318 } | |
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319 |
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320 for (int cs = 0; cs < 3; cs++) |
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321 { |
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322 BufferHttpSender sender; |
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323 sender.SetChunkSize(cs); |
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324 |
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325 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); |
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326 std::string u; |
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327 ASSERT_TRUE(ReadAllStream(u, transcode, false, true)); |
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328 |
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329 ASSERT_EQ(0u, u.size()); |
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330 } |
| 1525 | 331 } |