diff options
| -rw-r--r-- | src/test/Makefile.am | 9 | ||||
| -rw-r--r-- | src/test/osd/TestErasureCodeJerasure.cc | 101 |
2 files changed, 110 insertions, 0 deletions
diff --git a/src/test/Makefile.am b/src/test/Makefile.am index 72246ac748f..7f0dc88b8a0 100644 --- a/src/test/Makefile.am +++ b/src/test/Makefile.am @@ -328,6 +328,15 @@ unittest_erasure_code_plugin_LDADD += -ldl endif check_PROGRAMS += unittest_erasure_code_plugin +unittest_erasure_code_jerasure_SOURCES = \ + test/osd/TestErasureCodeJerasure.cc \ + $(libec_jerasure_la_SOURCES) +unittest_erasure_code_jerasure_CXXFLAGS = $(UNITTEST_CXXFLAGS) +unittest_erasure_code_jerasure_LDADD = $(LIBOSD) $(LIBCOMMON) $(UNITTEST_LDADD) $(CEPH_GLOBAL) +if LINUX +unittest_erasure_code_jerasure_LDADD += -ldl +endif +check_PROGRAMS += unittest_erasure_code_jerasure unittest_erasure_code_example_SOURCES = test/osd/TestErasureCodeExample.cc noinst_HEADERS += test/osd/ErasureCodeExample.h diff --git a/src/test/osd/TestErasureCodeJerasure.cc b/src/test/osd/TestErasureCodeJerasure.cc new file mode 100644 index 00000000000..96fc834b10e --- /dev/null +++ b/src/test/osd/TestErasureCodeJerasure.cc @@ -0,0 +1,101 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab +/* + * Ceph - scalable distributed file system + * + * Copyright (C) 2013 Cloudwatt <libre.licensing@cloudwatt.com> + * + * Author: Loic Dachary <loic@dachary.org> + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + */ + +#include "global/global_init.h" +#include "osd/ErasureCodePluginJerasure/ErasureCodeJerasure.h" +#include "common/ceph_argparse.h" +#include "global/global_context.h" +#include "gtest/gtest.h" + +template <typename T> +class ErasureCodeTest : public ::testing::Test { + public: +}; + +typedef ::testing::Types< +> JerasureTypes; +TYPED_TEST_CASE(ErasureCodeTest, JerasureTypes); + +TYPED_TEST(ErasureCodeTest, encode_decode) { + TypeParam jerasure; + map<std::string,std::string> parameters; + parameters["erasure-code-k"] = "2"; + parameters["erasure-code-m"] = "2"; + parameters["erasure-code-w"] = "7"; + parameters["erasure-code-packetsize"] = "8"; + jerasure.init(parameters); + + bufferlist in; + for (int i = 0; i < 5; i++) + in.append("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"); + int want_to_encode[] = { 0, 1, 2, 3 }; + map<int, bufferlist> encoded; + EXPECT_EQ(0, jerasure.encode(set<int>(want_to_encode, want_to_encode+4), + in, + &encoded)); + EXPECT_EQ(4u, encoded.size()); + unsigned length = encoded[0].length(); + EXPECT_EQ(0, strncmp(encoded[0].c_str(), in.c_str(), length)); + EXPECT_EQ(0, strncmp(encoded[1].c_str(), in.c_str() + length, in.length() - length)); + + + // all chunks are available + { + int want_to_decode[] = { 0, 1 }; + map<int, bufferlist> decoded; + EXPECT_EQ(0, jerasure.decode(set<int>(want_to_decode, want_to_decode+2), + encoded, + &decoded)); + // always decode all, regardless of want_to_decode + EXPECT_EQ(4u, decoded.size()); + EXPECT_EQ(length, decoded[0].length()); + EXPECT_EQ(0, strncmp(decoded[0].c_str(), in.c_str(), length)); + EXPECT_EQ(0, strncmp(decoded[1].c_str(), in.c_str() + length, in.length() - length)); + } + + // two chunks are missing + { + map<int, bufferlist> degraded = encoded; + degraded.erase(0); + degraded.erase(1); + EXPECT_EQ(2u, degraded.size()); + int want_to_decode[] = { 0, 1 }; + map<int, bufferlist> decoded; + EXPECT_EQ(0, jerasure.decode(set<int>(want_to_decode, want_to_decode+2), + degraded, + &decoded)); + // always decode all, regardless of want_to_decode + EXPECT_EQ(4u, decoded.size()); + EXPECT_EQ(length, decoded[0].length()); + EXPECT_EQ(0, strncmp(decoded[0].c_str(), in.c_str(), length)); + EXPECT_EQ(0, strncmp(decoded[1].c_str(), in.c_str() + length, in.length() - length)); + } +} + +int main(int argc, char **argv) { + vector<const char*> args; + argv_to_vec(argc, (const char **)argv, args); + + global_init(NULL, args, CEPH_ENTITY_TYPE_CLIENT, CODE_ENVIRONMENT_UTILITY, 0); + common_init_finish(g_ceph_context); + + ::testing::InitGoogleTest(&argc, argv); + return RUN_ALL_TESTS(); +} + +// Local Variables: +// compile-command: "cd ../.. ; make -j4 && make unittest_erasure_code_jerasure && valgrind --tool=memcheck ./unittest_erasure_code_jerasure --gtest_filter=*.* --log-to-stderr=true --debug-osd=20" +// End: |