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mysql/test/serialization.cpp

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/*
* deserialization.cpp
*
* Created on: Jun 29, 2019
* Author: ruben
*/
#include "serialization_test_common.hpp"
using namespace testing;
using namespace std;
using namespace mysql;
using namespace mysql::detail;
namespace
{
template <std::size_t N>
inline std::string_view buffer_to_sv(const std::uint8_t (&buff)[N])
{
return std::string_view (reinterpret_cast<const char*>(buff), N);
}
struct DeserializeErrorParams
{
shared_ptr<TypeErasedValue> value;
vector<uint8_t> buffer;
string test_name;
Error expected_error;
template <typename T>
DeserializeErrorParams create(vector<uint8_t>&& buffer, string&& test_name, Error err = Error::incomplete_message)
{
return DeserializeErrorParams {
make_shared<TypeErasedValueImpl<T>>(T{}),
move(buffer),
move(test_name),
err
};
}
};
ostream& operator<<(ostream& os, const DeserializeErrorParams& params)
{
return os << params.value->get_type_name() << " - " << params.test_name;
}
// Special error conditions
struct DeserializeErrorTest : testing::TestWithParam<DeserializeErrorParams>
{
};
TEST_P(DeserializeErrorTest, Deserialize_ErrorCondition_ReturnsErrorCode)
{
auto first = GetParam().buffer.data();
auto last = GetParam().buffer.data() + GetParam().buffer.size();
DeserializationContext ctx (first, last, capabilities(0));
auto value = GetParam().value->default_construct();
auto err = value->deserialize(ctx);
EXPECT_EQ(err, GetParam().expected_error);
}
// Definitions for the parameterized tests
string string_250 (250, 'a');
string string_251 (251, 'a');
string string_ffff (0xffff, 'a');
string string_10000 (0x10000, 'a');
enum class EnumInt1 : uint8_t
{
value0 = 0,
value1 = 3,
value2 = 0xff
};
enum class EnumInt2 : uint16_t
{
value0 = 0,
value1 = 3,
value2 = 0xfeff
};
enum class EnumInt4 : uint32_t
{
value0 = 0,
value1 = 3,
value2 = 0xfcfdfeff
};
INSTANTIATE_TEST_SUITE_P(UnsignedFixedSizeInts, FullSerializationTest, ::testing::Values(
SerializeParams(int1{0xff}, {0xff}),
SerializeParams(int2{0xfeff}, {0xff, 0xfe}),
SerializeParams(int3{0xfdfeff}, {0xff, 0xfe, 0xfd}),
SerializeParams(int4{0xfcfdfeff}, {0xff, 0xfe, 0xfd, 0xfc}),
SerializeParams(int6{0xfafbfcfdfeff}, {0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa}),
SerializeParams(int8{0xf8f9fafbfcfdfeff}, {0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8})
));
INSTANTIATE_TEST_SUITE_P(SignedFixedSizeInts, FullSerializationTest, ::testing::Values(
SerializeParams(int1_signed{-1}, {0xff}, "Negative"),
SerializeParams(int2_signed{-0x101}, {0xff, 0xfe}, "Negative"),
SerializeParams(int4_signed{-0x3020101}, {0xff, 0xfe, 0xfd, 0xfc}, "Negative"),
SerializeParams(int8_signed{-0x0706050403020101}, {0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8}, "Negative"),
SerializeParams(int1_signed{0x01}, {0x01}, "Positive"),
SerializeParams(int2_signed{0x0201}, {0x01, 0x02}, "Positive"),
SerializeParams(int4_signed{0x04030201}, {0x01, 0x02, 0x03, 0x04}, "Positive"),
SerializeParams(int8_signed{0x0807060504030201}, {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08}, "Positive")
));
INSTANTIATE_TEST_SUITE_P(LengthEncodedInt, FullSerializationTest, ::testing::Values(
SerializeParams(int_lenenc{1}, {0x01}, "1 byte (regular value)"),
SerializeParams(int_lenenc{250}, {0xfa}, "1 byte (max value)"),
SerializeParams(int_lenenc{0xfeb7}, {0xfc, 0xb7, 0xfe}, "2 bytes (regular value)"),
SerializeParams(int_lenenc{0xffff}, {0xfc, 0xff, 0xff}, "2 bytes (max value)"),
SerializeParams(int_lenenc{0xa0feff}, {0xfd, 0xff, 0xfe, 0xa0}, "3 bytes (regular value)"),
SerializeParams(int_lenenc{0xffffff}, {0xfd, 0xff, 0xff, 0xff}, "3 bytes (max value)"),
SerializeParams(int_lenenc{0xf8f9fafbfcfdfeff},
{0xfe, 0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8}, "8 bytes (regular value)"),
SerializeParams(int_lenenc{0xffffffffffffffff},
{0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, "8 bytes (max value)")
));
INSTANTIATE_TEST_SUITE_P(FixedSizeString, FullSerializationTest, ::testing::Values(
SerializeParams(string_fixed<4>{'a', 'b', 'd', 'e'}, {0x61, 0x62, 0x64, 0x65}, "Regular characters"),
SerializeParams(string_fixed<3>{'\0', '\1', 'a'}, {0x00, 0x01, 0x61}, "Null characters"),
SerializeParams(string_fixed<3>{char(0xc3), char(0xb1), 'a'}, {0xc3, 0xb1, 0x61}, "UTF-8 characters"),
SerializeParams(string_fixed<1>{'a'}, {0x61}, "Size 1 string")
));
INSTANTIATE_TEST_SUITE_P(NullTerminatedString, FullSerializationTest, ::testing::Values(
SerializeParams(string_null{"abc"}, {0x61, 0x62, 0x63, 0x00}, "Regular characters"),
SerializeParams(string_null{"\xc3\xb1"}, {0xc3, 0xb1, 0x00}, "UTF-8 characters"),
SerializeParams(string_null{""}, {0x00}, "Empty string")
));
INSTANTIATE_TEST_SUITE_P(LengthEncodedString, FullSerializationTest, ::testing::Values(
SerializeParams(string_lenenc{""}, {0x00}, "Empty string"),
SerializeParams(string_lenenc{"abc"}, {0x03, 0x61, 0x62, 0x63}, "1 byte size, regular characters"),
SerializeParams(string_lenenc{string_view("a\0b", 3)}, {0x03, 0x61, 0x00, 0x62}, "1 byte size, null characters"),
SerializeParams(string_lenenc{string_250}, concat({250}, vector<uint8_t>(250, 0x61)), "1 byte size, max"),
SerializeParams(string_lenenc{string_251}, concat({0xfc, 251, 0}, vector<uint8_t>(251, 0x61)), "2 byte size, min"),
SerializeParams(string_lenenc{string_ffff}, concat({0xfc, 0xff, 0xff}, vector<uint8_t>(0xffff, 0x61)), "2 byte size, max"),
SerializeParams(string_lenenc{string_10000}, concat({0xfd, 0x00, 0x00, 0x01}, vector<uint8_t>(0x10000, 0x61)), "3 byte size, max")
));
INSTANTIATE_TEST_SUITE_P(EofString, SerializeDeserializeTest, ::testing::Values(
SerializeParams(string_eof{"abc"}, {0x61, 0x62, 0x63}, "Regular characters"),
SerializeParams(string_eof{string_view("a\0b", 3)}, {0x61, 0x00, 0x62}, "Null characters"),
SerializeParams(string_eof{""}, {}, "Empty string")
));
INSTANTIATE_TEST_SUITE_P(Enums, FullSerializationTest, ::testing::Values(
SerializeParams(EnumInt1::value1, {0x03}, "low value"),
SerializeParams(EnumInt1::value2, {0xff}, "high value"),
SerializeParams(EnumInt2::value1, {0x03, 0x00}, "low value"),
SerializeParams(EnumInt2::value2, {0xff, 0xfe}, "high value"),
SerializeParams(EnumInt4::value1, {0x03, 0x00, 0x00, 0x00}, "low value"),
SerializeParams(EnumInt4::value2, {0xff, 0xfe, 0xfd, 0xfc}, "high value")
));
INSTANTIATE_TEST_SUITE_P(PacketHeader, FullSerializationTest, ::testing::Values(
// packet header
SerializeParams(msgs::packet_header{{3}, {0}}, {0x03, 0x00, 0x00, 0x00}, "small packet, seqnum==0"),
SerializeParams(msgs::packet_header{{9}, {2}}, {0x09, 0x00, 0x00, 0x02}, "small packet, seqnum!=0"),
SerializeParams(msgs::packet_header{{0xcacbcc}, {0xfa}}, {0xcc, 0xcb, 0xca, 0xfa}, "big packet, seqnum!=0"),
SerializeParams(msgs::packet_header{{0xffffff}, {0xff}}, {0xff, 0xff, 0xff, 0xff}, "max packet, max seqnum")
));
INSTANTIATE_TEST_SUITE_P(OkPacket, DeserializeTest, ::testing::Values(
SerializeParams(msgs::ok_packet{
{4}, // affected rows
{0}, // last insert ID
{SERVER_STATUS_AUTOCOMMIT | SERVER_QUERY_NO_INDEX_USED}, // server status
{0}, // warnings
string_lenenc{"Rows matched: 5 Changed: 4 Warnings: 0"}
}, {
0x04, 0x00, 0x22, 0x00, 0x00, 0x00, 0x28, 0x52, 0x6f, 0x77, 0x73,
0x20, 0x6d, 0x61, 0x74, 0x63, 0x68, 0x65, 0x64, 0x3a, 0x20, 0x35, 0x20, 0x20, 0x43, 0x68, 0x61,
0x6e, 0x67, 0x65, 0x64, 0x3a, 0x20, 0x34, 0x20, 0x20, 0x57, 0x61, 0x72, 0x6e, 0x69, 0x6e, 0x67,
0x73, 0x3a, 0x20, 0x30
}, "successful UPDATE"),
SerializeParams(msgs::ok_packet{
{1}, // affected rows
{6}, // last insert ID
{SERVER_STATUS_AUTOCOMMIT}, // server status
{0}, // warnings
{} // no message
},{
0x01, 0x06, 0x02, 0x00, 0x00, 0x00
}, "successful INSERT")
));
INSTANTIATE_TEST_SUITE_P(ErrPacket, DeserializeTest, ::testing::Values(
SerializeParams(msgs::err_packet{
{1049}, // eror code
{0x23}, // sql state marker
{'4', '2', '0', '0', '0'}, // sql state
{"Unknown database 'a'"} // err msg
}, {
0x19, 0x04, 0x23, 0x34, 0x32, 0x30, 0x30, 0x30, 0x55, 0x6e, 0x6b,
0x6e, 0x6f, 0x77, 0x6e, 0x20, 0x64, 0x61, 0x74,
0x61, 0x62, 0x61, 0x73, 0x65, 0x20, 0x27, 0x61, 0x27
}, "Wrong USE database"),
SerializeParams(msgs::err_packet{
{1146}, // eror code
{0x23}, // sql state marker
{'4', '2', 'S', '0', '2'}, // sql state
{"Table 'awesome.unknown' doesn't exist"} // err msg
}, {
0x7a, 0x04, 0x23, 0x34, 0x32, 0x53, 0x30, 0x32,
0x54, 0x61, 0x62, 0x6c, 0x65, 0x20, 0x27, 0x61,
0x77, 0x65, 0x73, 0x6f, 0x6d, 0x65, 0x2e, 0x75,
0x6e, 0x6b, 0x6e, 0x6f, 0x77, 0x6e, 0x27, 0x20,
0x64, 0x6f, 0x65, 0x73, 0x6e, 0x27, 0x74, 0x20,
0x65, 0x78, 0x69, 0x73, 0x74
}, "Unknown table")
));
constexpr std::uint8_t handshake_auth_plugin_data [] = {
0x52, 0x1a, 0x50, 0x3a, 0x4b, 0x12, 0x70, 0x2f,
0x03, 0x5a, 0x74, 0x05, 0x28, 0x2b, 0x7f, 0x21,
0x43, 0x4a, 0x21, 0x62
};
constexpr std::uint32_t hanshake_caps =
CLIENT_LONG_PASSWORD |
CLIENT_FOUND_ROWS |
CLIENT_LONG_FLAG |
CLIENT_CONNECT_WITH_DB |
CLIENT_NO_SCHEMA |
CLIENT_COMPRESS |
CLIENT_ODBC |
CLIENT_LOCAL_FILES |
CLIENT_IGNORE_SPACE |
CLIENT_PROTOCOL_41 |
CLIENT_INTERACTIVE |
CLIENT_IGNORE_SIGPIPE |
CLIENT_TRANSACTIONS |
CLIENT_RESERVED | // old flag, but set in this frame
CLIENT_RESERVED2 | // old flag, but set in this frame
CLIENT_MULTI_STATEMENTS |
CLIENT_MULTI_RESULTS |
CLIENT_PS_MULTI_RESULTS |
CLIENT_PLUGIN_AUTH |
CLIENT_CONNECT_ATTRS |
CLIENT_PLUGIN_AUTH_LENENC_CLIENT_DATA |
CLIENT_CAN_HANDLE_EXPIRED_PASSWORDS |
CLIENT_SESSION_TRACK |
CLIENT_DEPRECATE_EOF |
CLIENT_REMEMBER_OPTIONS;
INSTANTIATE_TEST_SUITE_P(Handhsake, DeserializeSpaceTest, ::testing::Values(
SerializeParams(msgs::handshake{
{"5.7.27-0ubuntu0.19.04.1"}, // server version
{2}, // connection ID
{buffer_to_sv(handshake_auth_plugin_data)},
{hanshake_caps},
CharacterSetLowerByte::latin1_swedish_ci,
{ SERVER_STATUS_AUTOCOMMIT },
{ "mysql_native_password" }
}, {
0x35, 0x2e, 0x37, 0x2e, 0x32, 0x37, 0x2d, 0x30,
0x75, 0x62, 0x75, 0x6e, 0x74, 0x75, 0x30, 0x2e,
0x31, 0x39, 0x2e, 0x30, 0x34, 0x2e, 0x31, 0x00,
0x02, 0x00, 0x00, 0x00, 0x52, 0x1a, 0x50, 0x3a,
0x4b, 0x12, 0x70, 0x2f, 0x00, 0xff, 0xf7, 0x08,
0x02, 0x00, 0xff, 0x81, 0x15, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
0x5a, 0x74, 0x05, 0x28, 0x2b, 0x7f, 0x21, 0x43,
0x4a, 0x21, 0x62, 0x00, 0x6d, 0x79, 0x73, 0x71,
0x6c, 0x5f, 0x6e, 0x61, 0x74, 0x69, 0x76, 0x65,
0x5f, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72,
0x64, 0x00
})
));
constexpr std::uint8_t handshake_response_auth_data [] = {
0xfe, 0xc6, 0x2c, 0x9f, 0xab, 0x43, 0x69, 0x46,
0xc5, 0x51, 0x35, 0xa5, 0xff, 0xdb, 0x3f, 0x48,
0xe6, 0xfc, 0x34, 0xc9
};
constexpr std::uint32_t handshake_response_caps =
CLIENT_LONG_PASSWORD |
CLIENT_LONG_FLAG |
CLIENT_LOCAL_FILES |
CLIENT_PROTOCOL_41 |
CLIENT_INTERACTIVE |
CLIENT_TRANSACTIONS |
CLIENT_RESERVED2 |
CLIENT_MULTI_STATEMENTS |
CLIENT_MULTI_RESULTS |
CLIENT_PS_MULTI_RESULTS |
CLIENT_PLUGIN_AUTH |
CLIENT_CONNECT_ATTRS |
CLIENT_PLUGIN_AUTH_LENENC_CLIENT_DATA |
CLIENT_CAN_HANDLE_EXPIRED_PASSWORDS |
CLIENT_SESSION_TRACK |
CLIENT_DEPRECATE_EOF;
INSTANTIATE_TEST_SUITE_P(HandhsakeResponse, SerializeTest, ::testing::Values(
SerializeParams(msgs::handshake_response{
{ handshake_response_caps },
{ 16777216 }, // max packet size
CharacterSetLowerByte::utf8_general_ci,
{ "root" },
{ buffer_to_sv(handshake_response_auth_data) },
{ "" }, // Irrelevant, not using connect with DB
{ "mysql_native_password" } // auth plugin name
}, {
0x85, 0xa6, 0xff, 0x01, 0x00, 0x00, 0x00, 0x01,
0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x72, 0x6f, 0x6f, 0x74, 0x00, 0x14, 0xfe, 0xc6,
0x2c, 0x9f, 0xab, 0x43, 0x69, 0x46, 0xc5, 0x51,
0x35, 0xa5, 0xff, 0xdb, 0x3f, 0x48, 0xe6, 0xfc,
0x34, 0xc9, 0x6d, 0x79, 0x73, 0x71, 0x6c, 0x5f,
0x6e, 0x61, 0x74, 0x69, 0x76, 0x65, 0x5f, 0x70,
0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64, 0x00
}, "without database", handshake_response_caps),
SerializeParams(msgs::handshake_response{
{ handshake_response_caps | CLIENT_CONNECT_WITH_DB },
{ 16777216 }, // max packet size
CharacterSetLowerByte::utf8_general_ci,
{ "root" },
{ buffer_to_sv(handshake_response_auth_data) },
{ "database" }, // database name
{ "mysql_native_password" } // auth plugin name
}, {
0x8d, 0xa6, 0xff, 0x01, 0x00, 0x00, 0x00, 0x01,
0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x72, 0x6f, 0x6f, 0x74, 0x00, 0x14, 0xfe, 0xc6,
0x2c, 0x9f, 0xab, 0x43, 0x69, 0x46, 0xc5, 0x51,
0x35, 0xa5, 0xff, 0xdb, 0x3f, 0x48, 0xe6, 0xfc,
0x34, 0xc9, 0x64, 0x61, 0x74, 0x61, 0x62, 0x61,
0x73, 0x65, 0x00, 0x6d, 0x79, 0x73, 0x71, 0x6c,
0x5f, 0x6e, 0x61, 0x74, 0x69, 0x76, 0x65, 0x5f,
0x70, 0x61, 0x73, 0x73, 0x77, 0x6f, 0x72, 0x64,
0x00
}, "with database", handshake_response_caps | CLIENT_CONNECT_WITH_DB)
));
constexpr std::uint8_t auth_switch_request_auth_data [] = {
0x49, 0x49, 0x7e, 0x51, 0x5d, 0x1f, 0x19, 0x6a,
0x0f, 0x5a, 0x63, 0x15, 0x3e, 0x28, 0x31, 0x3e,
0x3c, 0x79, 0x09, 0x7c
};
INSTANTIATE_TEST_SUITE_P(AuthSwitchRequest, DeserializeTest, testing::Values(
SerializeParams(msgs::auth_switch_request{
{"mysql_native_password"},
{buffer_to_sv(auth_switch_request_auth_data)}
}, {
0x6d, 0x79, 0x73,
0x71, 0x6c, 0x5f, 0x6e, 0x61, 0x74, 0x69, 0x76,
0x65, 0x5f, 0x70, 0x61, 0x73, 0x73, 0x77, 0x6f,
0x72, 0x64, 0x00, 0x49, 0x49, 0x7e, 0x51, 0x5d,
0x1f, 0x19, 0x6a, 0x0f, 0x5a, 0x63, 0x15, 0x3e,
0x28, 0x31, 0x3e, 0x3c, 0x79, 0x09, 0x7c, 0x00
})
));
constexpr std::uint8_t auth_switch_response_auth_data [] = {
0xba, 0x55, 0x9c, 0xc5, 0x9c, 0xbf, 0xca, 0x06,
0x91, 0xff, 0xaa, 0x72, 0x59, 0xfc, 0x53, 0xdf,
0x88, 0x2d, 0xf9, 0xcf
};
INSTANTIATE_TEST_SUITE_P(AuthSwitchResponse, SerializeTest, testing::Values(
SerializeParams(msgs::auth_switch_response{
{buffer_to_sv(auth_switch_response_auth_data)}
}, {
0xba, 0x55, 0x9c, 0xc5, 0x9c, 0xbf, 0xca, 0x06,
0x91, 0xff, 0xaa, 0x72, 0x59, 0xfc, 0x53, 0xdf,
0x88, 0x2d, 0xf9, 0xcf
})
));
} // anon namespace
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