diff options
Diffstat (limited to 'indra/llcommon/tests/llsdserialize_test.cpp')
| -rw-r--r-- | indra/llcommon/tests/llsdserialize_test.cpp | 675 |
1 files changed, 479 insertions, 196 deletions
diff --git a/indra/llcommon/tests/llsdserialize_test.cpp b/indra/llcommon/tests/llsdserialize_test.cpp index 5dbcf4c9b8..ac40125f75 100644 --- a/indra/llcommon/tests/llsdserialize_test.cpp +++ b/indra/llcommon/tests/llsdserialize_test.cpp @@ -45,21 +45,22 @@ typedef U32 uint32_t; #endif #include "boost/range.hpp" -#include "boost/foreach.hpp" -#include "boost/function.hpp" -#include "boost/bind.hpp" -#include "boost/phoenix/bind/bind_function.hpp" -#include "boost/phoenix/core/argument.hpp" -using namespace boost::phoenix; - -#include "../llsd.h" -#include "../llsdserialize.h" + +#include "llsd.h" +#include "llsdserialize.h" #include "llsdutil.h" -#include "../llformat.h" +#include "llformat.h" +#include "llmemorystream.h" +#include "../test/hexdump.h" #include "../test/lltut.h" #include "../test/namedtempfile.h" #include "stringize.h" +#include "StringVec.h" +#include <functional> + +typedef std::function<void(const LLSD& data, std::ostream& str)> FormatterFunction; +typedef std::function<bool(std::istream& istr, LLSD& data, llssize max_bytes)> ParserFunction; std::vector<U8> string_to_vector(const std::string& str) { @@ -112,7 +113,7 @@ namespace tut mSD = LLUUID::null; expected = "<llsd><uuid /></llsd>\n"; xml_test("null uuid", expected); - + mSD = LLUUID("c96f9b1e-f589-4100-9774-d98643ce0bed"); expected = "<llsd><uuid>c96f9b1e-f589-4100-9774-d98643ce0bed</uuid></llsd>\n"; xml_test("uuid", expected); @@ -136,7 +137,7 @@ namespace tut expected = "<llsd><binary encoding=\"base64\">aGVsbG8=</binary></llsd>\n"; xml_test("binary", expected); } - + template<> template<> void sd_xml_object::test<2>() { @@ -225,7 +226,7 @@ namespace tut expected = "<llsd><map><key>baz</key><undef /><key>foo</key><string>bar</string></map></llsd>\n"; xml_test("2 element map", expected); } - + template<> template<> void sd_xml_object::test<6>() { @@ -241,7 +242,7 @@ namespace tut expected = "<llsd><binary encoding=\"base64\">Nnw2fGFzZGZoYXBweWJveHw2MGU0NGVjNS0zMDVjLTQzYzItOWExOS1iNGI4OWIxYWUyYTZ8NjBlNDRlYzUtMzA1Yy00M2MyLTlhMTktYjRiODliMWFlMmE2fDYwZTQ0ZWM1LTMwNWMtNDNjMi05YTE5LWI0Yjg5YjFhZTJhNnwwMDAwMDAwMC0wMDAwLTAwMDAtMDAwMC0wMDAwMDAwMDAwMDB8N2ZmZmZmZmZ8N2ZmZmZmZmZ8MHwwfDgyMDAwfDQ1MGZlMzk0LTI5MDQtYzlhZC0yMTRjLWEwN2ViN2ZlZWMyOXwoTm8gRGVzY3JpcHRpb24pfDB8MTB8MA==</binary></llsd>\n"; xml_test("binary", expected); } - + class TestLLSDSerializeData { public: @@ -250,9 +251,34 @@ namespace tut void doRoundTripTests(const std::string&); void checkRoundTrip(const std::string&, const LLSD& v); - - LLPointer<LLSDFormatter> mFormatter; - LLPointer<LLSDParser> mParser; + + void setFormatterParser(LLPointer<LLSDFormatter> formatter, LLPointer<LLSDParser> parser) + { + mFormatter = [formatter](const LLSD& data, std::ostream& str) + { + formatter->format(data, str); + }; + // this lambda must be mutable since otherwise the bound 'parser' + // is assumed to point to a const LLSDParser + mParser = [parser](std::istream& istr, LLSD& data, llssize max_bytes) mutable + { + // reset() call is needed since test code re-uses parser object + parser->reset(); + return (parser->parse(istr, data, max_bytes) > 0); + }; + } + + void setParser(bool (*parser)(LLSD&, std::istream&, llssize)) + { + // why does LLSDSerialize::deserialize() reverse the parse() params?? + mParser = [parser](std::istream& istr, LLSD& data, llssize max_bytes) + { + return parser(data, istr, max_bytes); + }; + } + + FormatterFunction mFormatter; + ParserFunction mParser; }; TestLLSDSerializeData::TestLLSDSerializeData() @@ -265,12 +291,11 @@ namespace tut void TestLLSDSerializeData::checkRoundTrip(const std::string& msg, const LLSD& v) { - std::stringstream stream; - mFormatter->format(v, stream); + std::stringstream stream; + mFormatter(v, stream); //LL_INFOS() << "checkRoundTrip: length " << stream.str().length() << LL_ENDL; LLSD w; - mParser->reset(); // reset() call is needed since test code re-uses mParser - mParser->parse(stream, w, stream.str().size()); + mParser(stream, w, stream.str().size()); try { @@ -299,52 +324,52 @@ namespace tut fillmap(root[key], width, depth - 1); } } - + void TestLLSDSerializeData::doRoundTripTests(const std::string& msg) { LLSD v; checkRoundTrip(msg + " undefined", v); - + v = true; checkRoundTrip(msg + " true bool", v); - + v = false; checkRoundTrip(msg + " false bool", v); - + v = 1; checkRoundTrip(msg + " positive int", v); - + v = 0; checkRoundTrip(msg + " zero int", v); - + v = -1; checkRoundTrip(msg + " negative int", v); - + v = 1234.5f; checkRoundTrip(msg + " positive float", v); - + v = 0.0f; checkRoundTrip(msg + " zero float", v); - + v = -1234.5f; checkRoundTrip(msg + " negative float", v); - + // FIXME: need a NaN test - + v = LLUUID::null; checkRoundTrip(msg + " null uuid", v); - + LLUUID newUUID; newUUID.generate(); v = newUUID; checkRoundTrip(msg + " new uuid", v); - + v = ""; checkRoundTrip(msg + " empty string", v); - + v = "some string"; checkRoundTrip(msg + " non-empty string", v); - + v = "Second Life is a 3-D virtual world entirely built and owned by its residents. " "Since opening to the public in 2003, it has grown explosively and today is " @@ -372,7 +397,7 @@ namespace tut for (U32 block = 0x000000; block <= 0x10ffff; block += block_size) { std::ostringstream out; - + for (U32 c = block; c < block + block_size; ++c) { if (c <= 0x000001f @@ -386,7 +411,7 @@ namespace tut if (0x00fdd0 <= c && c <= 0x00fdef) { continue; } if ((c & 0x00fffe) == 0x00fffe) { continue; } // see Unicode standard, section 15.8 - + if (c <= 0x00007f) { out << (char)(c & 0x7f); @@ -410,55 +435,55 @@ namespace tut out << (char)(0x80 | ((c >> 0) & 0x3f)); } } - + v = out.str(); std::ostringstream blockmsg; blockmsg << msg << " unicode string block 0x" << std::hex << block; checkRoundTrip(blockmsg.str(), v); } - + LLDate epoch; v = epoch; checkRoundTrip(msg + " epoch date", v); - + LLDate aDay("2002-12-07T05:07:15.00Z"); v = aDay; checkRoundTrip(msg + " date", v); - + LLURI path("http://slurl.com/secondlife/Ambleside/57/104/26/"); v = path; checkRoundTrip(msg + " url", v); - + const char source[] = "it must be a blue moon again"; std::vector<U8> data; // note, includes terminating '\0' copy(&source[0], &source[sizeof(source)], back_inserter(data)); - + v = data; checkRoundTrip(msg + " binary", v); - + v = LLSD::emptyMap(); checkRoundTrip(msg + " empty map", v); - + v = LLSD::emptyMap(); v["name"] = "luke"; //v.insert("name", "luke"); v["age"] = 3; //v.insert("age", 3); checkRoundTrip(msg + " map", v); - + v.clear(); v["a"]["1"] = true; v["b"]["0"] = false; checkRoundTrip(msg + " nested maps", v); - + v = LLSD::emptyArray(); checkRoundTrip(msg + " empty array", v); - + v = LLSD::emptyArray(); v.append("ali"); v.append(28); checkRoundTrip(msg + " array", v); - + v.clear(); v[0][0] = true; v[1][0] = false; @@ -468,7 +493,7 @@ namespace tut fillmap(v, 10, 3); // 10^6 maps checkRoundTrip(msg + " many nested maps", v); } - + typedef tut::test_group<TestLLSDSerializeData> TestLLSDSerializeGroup; typedef TestLLSDSerializeGroup::object TestLLSDSerializeObject; TestLLSDSerializeGroup gTestLLSDSerializeGroup("llsd serialization"); @@ -476,35 +501,106 @@ namespace tut template<> template<> void TestLLSDSerializeObject::test<1>() { - mFormatter = new LLSDNotationFormatter(false, "", LLSDFormatter::OPTIONS_PRETTY_BINARY); - mParser = new LLSDNotationParser(); + setFormatterParser(new LLSDNotationFormatter(false, "", LLSDFormatter::OPTIONS_PRETTY_BINARY), + new LLSDNotationParser()); doRoundTripTests("pretty binary notation serialization"); } template<> template<> void TestLLSDSerializeObject::test<2>() { - mFormatter = new LLSDNotationFormatter(false, "", LLSDFormatter::OPTIONS_NONE); - mParser = new LLSDNotationParser(); + setFormatterParser(new LLSDNotationFormatter(false, "", LLSDFormatter::OPTIONS_NONE), + new LLSDNotationParser()); doRoundTripTests("raw binary notation serialization"); } template<> template<> void TestLLSDSerializeObject::test<3>() { - mFormatter = new LLSDXMLFormatter(); - mParser = new LLSDXMLParser(); + setFormatterParser(new LLSDXMLFormatter(), new LLSDXMLParser()); doRoundTripTests("xml serialization"); } template<> template<> void TestLLSDSerializeObject::test<4>() { - mFormatter = new LLSDBinaryFormatter(); - mParser = new LLSDBinaryParser(); + setFormatterParser(new LLSDBinaryFormatter(), new LLSDBinaryParser()); doRoundTripTests("binary serialization"); } + template<> template<> + void TestLLSDSerializeObject::test<5>() + { + mFormatter = [](const LLSD& sd, std::ostream& str) + { + LLSDSerialize::serialize(sd, str, LLSDSerialize::LLSD_BINARY); + }; + setParser(LLSDSerialize::deserialize); + doRoundTripTests("serialize(LLSD_BINARY)"); + }; + + template<> template<> + void TestLLSDSerializeObject::test<6>() + { + mFormatter = [](const LLSD& sd, std::ostream& str) + { + LLSDSerialize::serialize(sd, str, LLSDSerialize::LLSD_XML); + }; + setParser(LLSDSerialize::deserialize); + doRoundTripTests("serialize(LLSD_XML)"); + }; + + template<> template<> + void TestLLSDSerializeObject::test<7>() + { + mFormatter = [](const LLSD& sd, std::ostream& str) + { + LLSDSerialize::serialize(sd, str, LLSDSerialize::LLSD_NOTATION); + }; + setParser(LLSDSerialize::deserialize); + // In this test, serialize(LLSD_NOTATION) emits a header recognized by + // deserialize(). + doRoundTripTests("serialize(LLSD_NOTATION)"); + }; + + template<> template<> + void TestLLSDSerializeObject::test<8>() + { + setFormatterParser(new LLSDNotationFormatter(false, "", LLSDFormatter::OPTIONS_NONE), + new LLSDNotationParser()); + setParser(LLSDSerialize::deserialize); + // This is an interesting test because LLSDNotationFormatter does not + // emit an llsd/notation header. + doRoundTripTests("LLSDNotationFormatter -> deserialize"); + }; + + template<> template<> + void TestLLSDSerializeObject::test<9>() + { + setFormatterParser(new LLSDXMLFormatter(false, "", LLSDFormatter::OPTIONS_NONE), + new LLSDXMLParser()); + setParser(LLSDSerialize::deserialize); + // This is an interesting test because LLSDXMLFormatter does not + // emit an LLSD/XML header. + doRoundTripTests("LLSDXMLFormatter -> deserialize"); + }; + +/*==========================================================================*| + // We do not expect this test to succeed. Without a header, neither + // notation LLSD nor binary LLSD reliably start with a distinct character, + // the way XML LLSD starts with '<'. By convention, we default to notation + // rather than binary. + template<> template<> + void TestLLSDSerializeObject::test<10>() + { + setFormatterParser(new LLSDBinaryFormatter(false, "", LLSDFormatter::OPTIONS_NONE), + new LLSDBinaryParser()); + setParser(LLSDSerialize::deserialize); + // This is an interesting test because LLSDBinaryFormatter does not + // emit an LLSD/Binary header. + doRoundTripTests("LLSDBinaryFormatter -> deserialize"); + }; +|*==========================================================================*/ /** * @class TestLLSDParsing @@ -555,7 +651,7 @@ namespace tut public: TestLLSDXMLParsing() {} }; - + typedef tut::test_group<TestLLSDXMLParsing> TestLLSDXMLParsingGroup; typedef TestLLSDXMLParsingGroup::object TestLLSDXMLParsingObject; TestLLSDXMLParsingGroup gTestLLSDXMLParsingGroup("llsd XML parsing"); @@ -586,8 +682,8 @@ namespace tut LLSD(), LLSDParser::PARSE_FAILURE); } - - + + template<> template<> void TestLLSDXMLParsingObject::test<2>() { @@ -596,7 +692,7 @@ namespace tut v["amy"] = 23; v["bob"] = LLSD(); v["cam"] = 1.23; - + ensureParse( "unknown data type", "<llsd><map>" @@ -607,16 +703,16 @@ namespace tut v, v.size() + 1); } - + template<> template<> void TestLLSDXMLParsingObject::test<3>() { // test handling of nested bad data - + LLSD v; v["amy"] = 23; v["cam"] = 1.23; - + ensureParse( "map with html", "<llsd><map>" @@ -626,7 +722,7 @@ namespace tut "</map></llsd>", v, v.size() + 1); - + v.clear(); v["amy"] = 23; v["cam"] = 1.23; @@ -639,7 +735,7 @@ namespace tut "</map></llsd>", v, v.size() + 1); - + v.clear(); v["amy"] = 23; v["bob"] = LLSD::emptyMap(); @@ -661,7 +757,7 @@ namespace tut v[0] = 23; v[1] = LLSD(); v[2] = 1.23; - + ensureParse( "array value of html", "<llsd><array>" @@ -671,7 +767,7 @@ namespace tut "</array></llsd>", v, v.size() + 1); - + v.clear(); v[0] = 23; v[1] = LLSD::emptyMap(); @@ -1225,7 +1321,7 @@ namespace tut vec[0] = 'a'; vec[1] = 'b'; vec[2] = 'c'; vec[3] = '3'; vec[4] = '2'; vec[5] = '1'; LLSD value = vec; - + vec.resize(11); vec[0] = 'b'; // for binary vec[5] = 'a'; vec[6] = 'b'; vec[7] = 'c'; @@ -1694,85 +1790,92 @@ namespace tut ensureBinaryAndXML("map", test); } - struct TestPythonCompatible + // helper for TestPythonCompatible + static std::string import_llsd("import os.path\n" + "import sys\n" + "import llsd\n"); + + // helper for TestPythonCompatible + template <typename CONTENT, typename... ARGS> + void python_expect(const std::string& desc, const CONTENT& script, int expect=0, + ARGS&&... args) { - TestPythonCompatible(): - // Note the peculiar insertion of __FILE__ into this string. Since - // this script is being written into a platform-dependent temp - // directory, we can't locate indra/lib/python relative to - // Python's __file__. Use __FILE__ instead, navigating relative - // to this C++ source file. Use Python raw-string syntax so - // Windows pathname backslashes won't mislead Python's string - // scanner. - import_llsd("import os.path\n" - "import sys\n" - "from llbase import llsd\n") - {} - ~TestPythonCompatible() {} + auto PYTHON(LLStringUtil::getenv("PYTHON")); + ensure("Set $PYTHON to the Python interpreter", !PYTHON.empty()); - std::string import_llsd; + NamedTempFile scriptfile("py", script); - template <typename CONTENT> - void python(const std::string& desc, const CONTENT& script, int expect=0) +#if LL_WINDOWS + std::string q("\""); + std::string qPYTHON(q + PYTHON + q); + std::string qscript(q + scriptfile.getName() + q); + int rc = _spawnl(_P_WAIT, PYTHON.c_str(), qPYTHON.c_str(), qscript.c_str(), + std::forward<ARGS>(args)..., NULL); + if (rc == -1) { - auto PYTHON(LLStringUtil::getenv("PYTHON")); - ensure("Set $PYTHON to the Python interpreter", !PYTHON.empty()); - - NamedTempFile scriptfile("py", script); + char buffer[256]; + strerror_s(buffer, errno); // C++ can infer the buffer size! :-O + ensure(STRINGIZE("Couldn't run Python " << desc << "script: " << buffer), false); + } + else + { + ensure_equals(STRINGIZE(desc << " script terminated with rc " << rc), rc, expect); + } -#if LL_WINDOWS - std::string q("\""); - std::string qPYTHON(q + PYTHON + q); - std::string qscript(q + scriptfile.getName() + q); - int rc = _spawnl(_P_WAIT, PYTHON.c_str(), qPYTHON.c_str(), qscript.c_str(), NULL); - if (rc == -1) +#else // LL_DARWIN, LL_LINUX + LLProcess::Params params; + params.executable = PYTHON; + params.args.add(scriptfile.getName()); + for (const std::string& arg : StringVec{ std::forward<ARGS>(args)... }) + { + params.args.add(arg); + } + LLProcessPtr py(LLProcess::create(params)); + ensure(STRINGIZE("Couldn't launch " << desc << " script"), bool(py)); + // Implementing timeout would mean messing with alarm() and + // catching SIGALRM... later maybe... + int status(0); + if (waitpid(py->getProcessID(), &status, 0) == -1) + { + int waitpid_errno(errno); + ensure_equals(STRINGIZE("Couldn't retrieve rc from " << desc << " script: " + "waitpid() errno " << waitpid_errno), + waitpid_errno, ECHILD); + } + else + { + if (WIFEXITED(status)) { - char buffer[256]; - strerror_s(buffer, errno); // C++ can infer the buffer size! :-O - ensure(STRINGIZE("Couldn't run Python " << desc << "script: " << buffer), false); + int rc(WEXITSTATUS(status)); + ensure_equals(STRINGIZE(desc << " script terminated with rc " << rc), + rc, expect); } - else + else if (WIFSIGNALED(status)) { - ensure_equals(STRINGIZE(desc << " script terminated with rc " << rc), rc, expect); - } - -#else // LL_DARWIN, LL_LINUX - LLProcess::Params params; - params.executable = PYTHON; - params.args.add(scriptfile.getName()); - LLProcessPtr py(LLProcess::create(params)); - ensure(STRINGIZE("Couldn't launch " << desc << " script"), bool(py)); - // Implementing timeout would mean messing with alarm() and - // catching SIGALRM... later maybe... - int status(0); - if (waitpid(py->getProcessID(), &status, 0) == -1) - { - int waitpid_errno(errno); - ensure_equals(STRINGIZE("Couldn't retrieve rc from " << desc << " script: " - "waitpid() errno " << waitpid_errno), - waitpid_errno, ECHILD); + ensure(STRINGIZE(desc << " script terminated by signal " << WTERMSIG(status)), + false); } else { - if (WIFEXITED(status)) - { - int rc(WEXITSTATUS(status)); - ensure_equals(STRINGIZE(desc << " script terminated with rc " << rc), - rc, expect); - } - else if (WIFSIGNALED(status)) - { - ensure(STRINGIZE(desc << " script terminated by signal " << WTERMSIG(status)), - false); - } - else - { - ensure(STRINGIZE(desc << " script produced impossible status " << status), - false); - } + ensure(STRINGIZE(desc << " script produced impossible status " << status), + false); } -#endif } +#endif + } + + // helper for TestPythonCompatible + template <typename CONTENT, typename... ARGS> + void python(const std::string& desc, const CONTENT& script, ARGS&&... args) + { + // plain python() expects rc 0 + python_expect(desc, script, 0, std::forward<ARGS>(args)...); + } + + struct TestPythonCompatible + { + TestPythonCompatible() {} + ~TestPythonCompatible() {} }; typedef tut::test_group<TestPythonCompatible> TestPythonCompatibleGroup; @@ -1783,10 +1886,10 @@ namespace tut void TestPythonCompatibleObject::test<1>() { set_test_name("verify python()"); - python("hello", - "import sys\n" - "sys.exit(17)\n", - 17); // expect nonzero rc + python_expect("hello", + "import sys\n" + "sys.exit(17)\n", + 17); // expect nonzero rc } template<> template<> @@ -1798,25 +1901,40 @@ namespace tut "print('Running on', sys.platform)\n"); } - // helper for test<3> - static void writeLLSDArray(std::ostream& out, const LLSD& array) + // helper for test<3> - test<7> + static void writeLLSDArray(const FormatterFunction& serialize, + std::ostream& out, const LLSD& array) { - BOOST_FOREACH(LLSD item, llsd::inArray(array)) + for (const LLSD& item: llsd::inArray(array)) { - LLSDSerialize::toNotation(item, out); - // It's important to separate with newlines because Python's llsd - // module doesn't support parsing from a file stream, only from a - // string, so we have to know how much of the file to read into a - // string. - out << '\n'; + // It's important to delimit the entries in this file somehow + // because, although Python's llsd.parse() can accept a file + // stream, the XML parser expects EOF after a single outer element + // -- it doesn't just stop. So we must extract a sequence of bytes + // strings from the file. But since one of the serialization + // formats we want to test is binary, we can't pick any single + // byte value as a delimiter! Use a binary integer length prefix + // instead. + std::ostringstream buffer; + serialize(item, buffer); + auto buffstr{ buffer.str() }; + int bufflen{ static_cast<int>(buffstr.length()) }; + out.write(reinterpret_cast<const char*>(&bufflen), sizeof(bufflen)); + LL_DEBUGS() << "Wrote length: " + << hexdump(reinterpret_cast<const char*>(&bufflen), + sizeof(bufflen)) + << LL_ENDL; + out.write(buffstr.c_str(), buffstr.length()); + LL_DEBUGS() << "Wrote data: " + << hexmix(buffstr.c_str(), buffstr.length()) + << LL_ENDL; } } - template<> template<> - void TestPythonCompatibleObject::test<3>() + // helper for test<3> - test<7> + static void toPythonUsing(const std::string& desc, + const FormatterFunction& serialize) { - set_test_name("verify sequence to Python"); - LLSD cdata(llsd::array(17, 3.14, "This string\n" "has several\n" @@ -1836,41 +1954,153 @@ namespace tut " except StopIteration:\n" " pass\n" " else:\n" - " assert False, 'Too many data items'\n"; + " raise AssertionError('Too many data items')\n"; - // Create an llsdXXXXXX file containing 'data' serialized to - // notation. + // Create an llsdXXXXXX file containing 'data' serialized per + // FormatterFunction. NamedTempFile file("llsd", - // NamedTempFile's boost::function constructor + // NamedTempFile's function constructor // takes a callable. To this callable it passes the // std::ostream with which it's writing the // NamedTempFile. - boost::bind(writeLLSDArray, _1, cdata)); + [serialize, cdata] + (std::ostream& out) + { writeLLSDArray(serialize, out, cdata); }); - python("read C++ notation", - placeholders::arg1 << - import_llsd << - "def parse_each(iterable):\n" - " for item in iterable:\n" - " yield llsd.parse(item)\n" << - pydata << - // Don't forget raw-string syntax for Windows pathnames. - "verify(parse_each(open(r'" << file.getName() << "', 'rb')))\n"); + // 'debug' starts empty because it's intended as an output file + NamedTempFile debug("debug", ""); + + try + { + python("read C++ " + desc, + [&](std::ostream& out){ out << + import_llsd << + "from functools import partial\n" + "import io\n" + "import struct\n" + "lenformat = struct.Struct('i')\n" + "def parse_each(inf):\n" + " for rawlen in iter(partial(inf.read, lenformat.size), b''):\n" + " print('Read length:', ''.join(('%02x' % b) for b in rawlen),\n" + " file=debug)\n" + " len = lenformat.unpack(rawlen)[0]\n" + // Since llsd.parse() has no max_bytes argument, instead of + // passing the input stream directly to parse(), read the item + // into a distinct bytes object and parse that. + " data = inf.read(len)\n" + " print('Read data: ', repr(data), file=debug)\n" + " try:\n" + " frombytes = llsd.parse(data)\n" + " except llsd.LLSDParseError as err:\n" + " print(f'*** {err}')\n" + " print(f'Bad content:\\n{data!r}')\n" + " raise\n" + // Also try parsing from a distinct stream. + " stream = io.BytesIO(data)\n" + " fromstream = llsd.parse(stream)\n" + " assert frombytes == fromstream\n" + " yield frombytes\n" + << pydata << + // Don't forget raw-string syntax for Windows pathnames. + "debug = open(r'" << debug.getName() << "', 'w')\n" + "verify(parse_each(open(r'" << file.getName() << "', 'rb')))\n";}); + } + catch (const failure&) + { + LL_DEBUGS() << "Script debug output:" << LL_ENDL; + debug.peep_log(); + throw; + } + } + + template<> template<> + void TestPythonCompatibleObject::test<3>() + { + set_test_name("to Python using LLSDSerialize::serialize(LLSD_XML)"); + toPythonUsing("LLSD_XML", + [](const LLSD& sd, std::ostream& out) + { LLSDSerialize::serialize(sd, out, LLSDSerialize::LLSD_XML); }); } template<> template<> void TestPythonCompatibleObject::test<4>() { - set_test_name("verify sequence from Python"); + set_test_name("to Python using LLSDSerialize::serialize(LLSD_NOTATION)"); + toPythonUsing("LLSD_NOTATION", + [](const LLSD& sd, std::ostream& out) + { LLSDSerialize::serialize(sd, out, LLSDSerialize::LLSD_NOTATION); }); + } + + template<> template<> + void TestPythonCompatibleObject::test<5>() + { + set_test_name("to Python using LLSDSerialize::serialize(LLSD_BINARY)"); + toPythonUsing("LLSD_BINARY", + [](const LLSD& sd, std::ostream& out) + { LLSDSerialize::serialize(sd, out, LLSDSerialize::LLSD_BINARY); }); + } + template<> template<> + void TestPythonCompatibleObject::test<6>() + { + set_test_name("to Python using LLSDSerialize::toXML()"); + toPythonUsing("toXML()", LLSDSerialize::toXML); + } + + template<> template<> + void TestPythonCompatibleObject::test<7>() + { + set_test_name("to Python using LLSDSerialize::toNotation()"); + toPythonUsing("toNotation()", LLSDSerialize::toNotation); + } + +/*==========================================================================*| + template<> template<> + void TestPythonCompatibleObject::test<8>() + { + set_test_name("to Python using LLSDSerialize::toBinary()"); + // We don't expect this to work because, without a header, + // llsd.parse() will assume notation rather than binary. + toPythonUsing("toBinary()", LLSDSerialize::toBinary); + } +|*==========================================================================*/ + + // helper for test<8> - test<12> + bool itemFromStream(std::istream& istr, LLSD& item, const ParserFunction& parse) + { + // reset the output value for debugging clarity + item.clear(); + // We use an int length prefix as a foolproof delimiter even for + // binary serialized streams. + int length{ 0 }; + istr.read(reinterpret_cast<char*>(&length), sizeof(length)); +// return parse(istr, item, length); + // Sadly, as of 2022-12-01 it seems we can't really trust our LLSD + // parsers to honor max_bytes: this test works better when we read + // each item into its own distinct LLMemoryStream, instead of passing + // the original istr with a max_bytes constraint. + std::vector<U8> buffer(length); + istr.read(reinterpret_cast<char*>(buffer.data()), length); + LLMemoryStream stream(buffer.data(), length); + return parse(stream, item, length); + } + + // helper for test<8> - test<12> + void fromPythonUsing(const std::string& pyformatter, + const ParserFunction& parse= + [](std::istream& istr, LLSD& data, llssize max_bytes) + { return LLSDSerialize::deserialize(data, istr, max_bytes); }) + { // Create an empty data file. This is just a placeholder for our // script to write into. Create it to establish a unique name that // we know. NamedTempFile file("llsd", ""); - python("write Python notation", - placeholders::arg1 << + python("Python " + pyformatter, + [&](std::ostream& out){ out << import_llsd << + "import struct\n" + "lenformat = struct.Struct('i')\n" "DATA = [\n" " 17,\n" " 3.14,\n" @@ -1881,34 +2111,87 @@ namespace tut "]\n" // Don't forget raw-string syntax for Windows pathnames. // N.B. Using 'print' implicitly adds newlines. - "with open(r'" << file.getName() << "', 'w') as f:\n" + "with open(r'" << file.getName() << "', 'wb') as f:\n" " for item in DATA:\n" - " print(llsd.format_notation(item).decode(), file=f)\n"); + " serialized = llsd." << pyformatter << "(item)\n" + " f.write(lenformat.pack(len(serialized)))\n" + " f.write(serialized)\n";}); std::ifstream inf(file.getName().c_str()); LLSD item; - // Notice that we're not doing anything special to parse out the - // newlines: LLSDSerialize::fromNotation ignores them. While it would - // seem they're not strictly necessary, going in this direction, we - // want to ensure that notation-separated-by-newlines works in both - // directions -- since in practice, a given file might be read by - // either language. - ensure_equals("Failed to read LLSD::Integer from Python", - LLSDSerialize::fromNotation(item, inf, LLSDSerialize::SIZE_UNLIMITED), - 1); - ensure_equals(item.asInteger(), 17); - ensure_equals("Failed to read LLSD::Real from Python", - LLSDSerialize::fromNotation(item, inf, LLSDSerialize::SIZE_UNLIMITED), - 1); - ensure_approximately_equals("Bad LLSD::Real value from Python", - item.asReal(), 3.14, 7); // 7 bits ~= 0.01 - ensure_equals("Failed to read LLSD::String from Python", - LLSDSerialize::fromNotation(item, inf, LLSDSerialize::SIZE_UNLIMITED), - 1); - ensure_equals(item.asString(), - "This string\n" - "has several\n" - "lines."); - + try + { + ensure("Failed to read LLSD::Integer from Python", + itemFromStream(inf, item, parse)); + ensure_equals(item.asInteger(), 17); + ensure("Failed to read LLSD::Real from Python", + itemFromStream(inf, item, parse)); + ensure_approximately_equals("Bad LLSD::Real value from Python", + item.asReal(), 3.14, 7); // 7 bits ~= 0.01 + ensure("Failed to read LLSD::String from Python", + itemFromStream(inf, item, parse)); + ensure_equals(item.asString(), + "This string\n" + "has several\n" + "lines."); + } + catch (const tut::failure& err) + { + std::cout << "for " << err.what() << ", item = " << item << std::endl; + throw; + } + } + + template<> template<> + void TestPythonCompatibleObject::test<8>() + { + set_test_name("from Python XML using LLSDSerialize::deserialize()"); + fromPythonUsing("format_xml"); + } + + template<> template<> + void TestPythonCompatibleObject::test<9>() + { + set_test_name("from Python notation using LLSDSerialize::deserialize()"); + fromPythonUsing("format_notation"); + } + + template<> template<> + void TestPythonCompatibleObject::test<10>() + { + set_test_name("from Python binary using LLSDSerialize::deserialize()"); + fromPythonUsing("format_binary"); + } + + template<> template<> + void TestPythonCompatibleObject::test<11>() + { + set_test_name("from Python XML using fromXML()"); + // fromXML()'s optional 3rd param isn't max_bytes, it's emit_errors + fromPythonUsing("format_xml", + [](std::istream& istr, LLSD& data, llssize) + { return LLSDSerialize::fromXML(data, istr) > 0; }); + } + + template<> template<> + void TestPythonCompatibleObject::test<12>() + { + set_test_name("from Python notation using fromNotation()"); + fromPythonUsing("format_notation", + [](std::istream& istr, LLSD& data, llssize max_bytes) + { return LLSDSerialize::fromNotation(data, istr, max_bytes) > 0; }); + } + +/*==========================================================================*| + template<> template<> + void TestPythonCompatibleObject::test<13>() + { + set_test_name("from Python binary using fromBinary()"); + // We don't expect this to work because format_binary() emits a + // header, but fromBinary() won't recognize a header. + fromPythonUsing("format_binary", + [](std::istream& istr, LLSD& data, llssize max_bytes) + { return LLSDSerialize::fromBinary(data, istr, max_bytes) > 0; }); } +|*==========================================================================*/ } |