Mercurial > hg > orthanc
annotate UnitTestsSources/StreamTests.cpp @ 2274:bfcf5a7f92e7
fix issue #35
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 17 Mar 2017 16:09:13 +0100 |
| parents | a3a65de1840f |
| children | 878b59270859 |
| 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 Osimis, 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" |
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38 #include "../Core/SystemToolbox.h" |
| 1525 | 39 #include "../Core/Toolbox.h" |
| 40 #include "../Core/OrthancException.h" | |
| 41 #include "../Core/HttpServer/BufferHttpSender.h" | |
| 42 #include "../Core/HttpServer/FilesystemHttpSender.h" | |
| 43 #include "../Core/HttpServer/HttpStreamTranscoder.h" | |
| 44 #include "../Core/Compression/ZlibCompressor.h" | |
| 45 #include "../Core/Compression/GzipCompressor.h" | |
| 46 | |
| 47 | |
| 48 using namespace Orthanc; | |
| 49 | |
| 50 | |
| 51 TEST(Gzip, Basic) | |
| 52 { | |
| 53 std::string s = "Hello world"; | |
| 54 | |
| 55 std::string compressed; | |
| 56 GzipCompressor c; | |
| 57 ASSERT_FALSE(c.HasPrefixWithUncompressedSize()); | |
| 58 IBufferCompressor::Compress(compressed, c, s); | |
| 59 | |
| 60 std::string uncompressed; | |
| 61 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 62 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 63 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 64 } | |
| 65 | |
| 66 | |
| 67 TEST(Gzip, Empty) | |
| 68 { | |
| 69 std::string s; | |
| 70 | |
| 71 std::string compressed; | |
| 72 GzipCompressor c; | |
| 73 ASSERT_FALSE(c.HasPrefixWithUncompressedSize()); | |
| 74 c.SetPrefixWithUncompressedSize(false); | |
| 75 IBufferCompressor::Compress(compressed, c, s); | |
| 76 | |
| 77 std::string uncompressed; | |
| 78 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 79 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 80 } |
| 81 | |
| 82 | |
| 83 TEST(Gzip, BasicWithPrefix) | |
| 84 { | |
| 85 std::string s = "Hello world"; | |
| 86 | |
| 87 std::string compressed; | |
| 88 GzipCompressor c; | |
| 89 c.SetPrefixWithUncompressedSize(true); | |
| 90 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 91 IBufferCompressor::Compress(compressed, c, s); | |
| 92 | |
| 93 std::string uncompressed; | |
| 94 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 95 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 96 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 97 } | |
| 98 | |
| 99 | |
| 100 TEST(Gzip, EmptyWithPrefix) | |
| 101 { | |
| 102 std::string s; | |
| 103 | |
| 104 std::string compressed; | |
| 105 GzipCompressor c; | |
| 106 c.SetPrefixWithUncompressedSize(true); | |
| 107 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 108 IBufferCompressor::Compress(compressed, c, s); | |
| 109 | |
| 110 std::string uncompressed; | |
| 111 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 112 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 113 } |
| 114 | |
| 115 | |
| 116 TEST(Zlib, Basic) | |
| 117 { | |
|
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118 std::string s = SystemToolbox::GenerateUuid(); |
| 1525 | 119 s = s + s + s + s; |
| 120 | |
| 121 std::string compressed, compressed2; | |
| 122 ZlibCompressor c; | |
| 123 ASSERT_TRUE(c.HasPrefixWithUncompressedSize()); | |
| 124 IBufferCompressor::Compress(compressed, c, s); | |
| 125 | |
| 126 std::string uncompressed; | |
| 127 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 128 ASSERT_EQ(s.size(), uncompressed.size()); | |
| 129 ASSERT_EQ(0, memcmp(&s[0], &uncompressed[0], s.size())); | |
| 130 } | |
| 131 | |
| 132 | |
| 133 TEST(Zlib, Level) | |
| 134 { | |
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135 std::string s = SystemToolbox::GenerateUuid(); |
| 1525 | 136 s = s + s + s + s; |
| 137 | |
| 138 std::string compressed, compressed2; | |
| 139 ZlibCompressor c; | |
| 140 c.SetCompressionLevel(9); | |
| 141 IBufferCompressor::Compress(compressed, c, s); | |
| 142 | |
| 143 c.SetCompressionLevel(0); | |
| 144 IBufferCompressor::Compress(compressed2, c, s); | |
| 145 | |
| 146 ASSERT_TRUE(compressed.size() < compressed2.size()); | |
| 147 } | |
| 148 | |
| 149 | |
| 150 TEST(Zlib, DISABLED_Corrupted) // Disabled because it may result in a crash | |
| 151 { | |
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152 std::string s = SystemToolbox::GenerateUuid(); |
| 1525 | 153 s = s + s + s + s; |
| 154 | |
| 155 std::string compressed; | |
| 156 ZlibCompressor c; | |
| 157 IBufferCompressor::Compress(compressed, c, s); | |
| 158 | |
| 1972 | 159 ASSERT_FALSE(compressed.empty()); |
| 1525 | 160 compressed[compressed.size() - 1] = 'a'; |
| 161 std::string u; | |
| 162 | |
| 163 ASSERT_THROW(IBufferCompressor::Uncompress(u, c, compressed), OrthancException); | |
| 164 } | |
| 165 | |
| 166 | |
| 167 TEST(Zlib, Empty) | |
| 168 { | |
| 169 std::string s = ""; | |
| 170 | |
| 171 std::string compressed, compressed2; | |
| 172 ZlibCompressor c; | |
| 173 IBufferCompressor::Compress(compressed, c, s); | |
| 174 ASSERT_EQ(compressed, compressed2); | |
| 175 | |
| 176 std::string uncompressed; | |
| 177 IBufferCompressor::Uncompress(uncompressed, c, compressed); | |
| 1972 | 178 ASSERT_TRUE(uncompressed.empty()); |
| 1525 | 179 } |
| 180 | |
| 181 | |
| 182 static bool ReadAllStream(std::string& result, | |
| 183 IHttpStreamAnswer& stream, | |
| 184 bool allowGzip = false, | |
| 185 bool allowDeflate = false) | |
| 186 { | |
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187 stream.SetupHttpCompression(allowGzip, allowDeflate); |
| 1525 | 188 |
| 1545 | 189 result.resize(static_cast<size_t>(stream.GetContentLength())); |
| 1525 | 190 |
| 191 size_t pos = 0; | |
| 192 while (stream.ReadNextChunk()) | |
| 193 { | |
| 194 size_t s = stream.GetChunkSize(); | |
| 195 if (pos + s > result.size()) | |
| 196 { | |
| 197 return false; | |
| 198 } | |
| 199 | |
| 200 memcpy(&result[pos], stream.GetChunkContent(), s); | |
| 201 pos += s; | |
| 202 } | |
| 203 | |
| 204 return pos == result.size(); | |
| 205 } | |
| 206 | |
| 207 | |
| 208 TEST(BufferHttpSender, Basic) | |
| 209 { | |
| 210 const std::string s = "Hello world"; | |
| 211 std::string t; | |
| 212 | |
| 213 { | |
| 214 BufferHttpSender sender; | |
| 215 sender.SetChunkSize(1); | |
| 216 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 217 ASSERT_EQ(0u, t.size()); | |
| 218 } | |
| 219 | |
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220 for (int cs = 0; cs < 5; cs++) |
| 1525 | 221 { |
| 222 BufferHttpSender sender; | |
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223 sender.SetChunkSize(cs); |
| 1525 | 224 sender.GetBuffer() = s; |
| 225 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 226 ASSERT_EQ(s, t); | |
| 227 } | |
| 228 } | |
| 229 | |
| 230 | |
| 231 TEST(FilesystemHttpSender, Basic) | |
| 232 { | |
| 233 const std::string& path = "UnitTestsResults/stream"; | |
| 234 const std::string s = "Hello world"; | |
| 235 std::string t; | |
| 236 | |
| 237 { | |
| 2140 | 238 SystemToolbox::WriteFile(s, path); |
| 1525 | 239 FilesystemHttpSender sender(path); |
| 240 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 241 ASSERT_EQ(s, t); | |
| 242 } | |
| 243 | |
| 244 { | |
| 2140 | 245 SystemToolbox::WriteFile("", path); |
| 1525 | 246 FilesystemHttpSender sender(path); |
| 247 ASSERT_TRUE(ReadAllStream(t, sender)); | |
| 248 ASSERT_EQ(0u, t.size()); | |
| 249 } | |
| 250 } | |
| 251 | |
| 252 | |
| 253 TEST(HttpStreamTranscoder, Basic) | |
| 254 { | |
| 255 ZlibCompressor compressor; | |
| 256 | |
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257 const std::string s = "Hello world " + SystemToolbox::GenerateUuid(); |
| 1525 | 258 |
| 259 std::string t; | |
| 260 IBufferCompressor::Compress(t, compressor, s); | |
| 261 | |
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262 for (int cs = 0; cs < 5; cs++) |
| 1525 | 263 { |
| 264 BufferHttpSender sender; | |
| 265 sender.SetChunkSize(cs); | |
| 266 sender.GetBuffer() = t; | |
| 267 std::string u; | |
| 268 ASSERT_TRUE(ReadAllStream(u, sender)); | |
| 269 | |
| 270 std::string v; | |
| 271 IBufferCompressor::Uncompress(v, compressor, u); | |
| 272 ASSERT_EQ(s, v); | |
| 273 } | |
| 274 | |
| 275 // Pass-through test, no decompression occurs | |
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276 for (int cs = 0; cs < 5; cs++) |
| 1525 | 277 { |
| 278 BufferHttpSender sender; | |
| 279 sender.SetChunkSize(cs); | |
| 280 sender.GetBuffer() = t; | |
| 281 | |
| 282 HttpStreamTranscoder transcode(sender, CompressionType_None); | |
| 283 | |
| 284 std::string u; | |
| 285 ASSERT_TRUE(ReadAllStream(u, transcode)); | |
| 286 | |
| 287 ASSERT_EQ(t, u); | |
| 288 } | |
| 289 | |
| 290 // Pass-through test, decompression occurs | |
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291 for (int cs = 0; cs < 5; cs++) |
| 1525 | 292 { |
| 293 BufferHttpSender sender; | |
| 294 sender.SetChunkSize(cs); | |
| 295 sender.GetBuffer() = t; | |
| 296 | |
| 297 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); | |
| 298 | |
| 299 std::string u; | |
| 300 ASSERT_TRUE(ReadAllStream(u, transcode, false, false)); | |
| 301 | |
| 302 ASSERT_EQ(s, u); | |
| 303 } | |
| 304 | |
| 305 // Pass-through test with zlib, no decompression occurs but deflate is sent | |
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306 for (int cs = 0; cs < 16; cs++) |
| 1525 | 307 { |
| 308 BufferHttpSender sender; | |
| 309 sender.SetChunkSize(cs); | |
| 310 sender.GetBuffer() = t; | |
| 311 | |
| 312 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); | |
| 313 | |
| 314 std::string u; | |
| 315 ASSERT_TRUE(ReadAllStream(u, transcode, false, true)); | |
| 316 | |
| 317 ASSERT_EQ(t.size() - sizeof(uint64_t), u.size()); | |
| 318 ASSERT_EQ(t.substr(sizeof(uint64_t)), u); | |
| 319 } | |
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320 |
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321 for (int cs = 0; cs < 3; cs++) |
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322 { |
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323 BufferHttpSender sender; |
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324 sender.SetChunkSize(cs); |
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325 |
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326 HttpStreamTranscoder transcode(sender, CompressionType_ZlibWithSize); |
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327 std::string u; |
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328 ASSERT_TRUE(ReadAllStream(u, transcode, false, true)); |
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329 |
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330 ASSERT_EQ(0u, u.size()); |
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331 } |
| 1525 | 332 } |