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#include <library/cpp/logger/deploy/backend.h>
#include <library/cpp/json/json_reader.h>
#include <library/cpp/logger/element.h>
#include <library/cpp/logger/log.h>
#include <library/cpp/logger/stream.h>
#include <library/cpp/testing/unittest/registar.h>
#include <util/stream/str.h>
Y_UNIT_TEST_SUITE(DeployJsonLogBackendTest) {
Y_UNIT_TEST(FormatBasicRecord) {
const char* message = "hello";
TLogRecord rec(TLOG_INFO, message, strlen(message));
NJson::TJsonValue json;
UNIT_ASSERT(NJson::ReadJsonTree(FormatDeployJsonLogRecord(rec, "test-logger"), &json));
UNIT_ASSERT(json.Has("@timestamp"));
UNIT_ASSERT_VALUES_EQUAL(json["levelStr"].GetStringSafe(), "INFO");
UNIT_ASSERT(!json.Has("level"));
UNIT_ASSERT_VALUES_EQUAL(json["message"].GetStringSafe(), "hello");
UNIT_ASSERT_VALUES_EQUAL(json["loggerName"].GetStringSafe(), "test-logger");
UNIT_ASSERT(!json.Has("@fields"));
UNIT_ASSERT(!json.Has("threadName"));
}
Y_UNIT_TEST(LevelStrUsesEnumSerialization) {
auto levelStrOf = [](ELogPriority priority) {
const char* message = "x";
TLogRecord rec(priority, message, 1);
NJson::TJsonValue json;
UNIT_ASSERT(NJson::ReadJsonTree(FormatDeployJsonLogRecord(rec), &json));
return json["levelStr"].GetStringSafe();
};
UNIT_ASSERT_VALUES_EQUAL(levelStrOf(TLOG_EMERG), "EMERG");
UNIT_ASSERT_VALUES_EQUAL(levelStrOf(TLOG_ALERT), "ALERT");
UNIT_ASSERT_VALUES_EQUAL(levelStrOf(TLOG_CRIT), "CRITICAL_INFO");
UNIT_ASSERT_VALUES_EQUAL(levelStrOf(TLOG_ERR), "ERROR");
UNIT_ASSERT_VALUES_EQUAL(levelStrOf(TLOG_WARNING), "WARNING");
UNIT_ASSERT_VALUES_EQUAL(levelStrOf(TLOG_NOTICE), "NOTICE");
UNIT_ASSERT_VALUES_EQUAL(levelStrOf(TLOG_INFO), "INFO");
UNIT_ASSERT_VALUES_EQUAL(levelStrOf(TLOG_DEBUG), "DEBUG");
UNIT_ASSERT_VALUES_EQUAL(levelStrOf(TLOG_RESOURCES), "RESOURCES");
}
Y_UNIT_TEST(PromotesTopLevelMetaAndKeepsFields) {
const char* message = "RequestStats";
TLogRecord rec(
TLOG_INFO,
message,
strlen(message),
TLogRecord::TMetaFlags{
{"request_id", "req-1"},
{"trace.id", "trace-1"},
{"code", "200"},
});
NJson::TJsonValue json;
UNIT_ASSERT(NJson::ReadJsonTree(FormatDeployJsonLogRecord(rec), &json));
UNIT_ASSERT_VALUES_EQUAL(json["request_id"].GetStringSafe(), "req-1");
UNIT_ASSERT(!json.Has("trace.id"));
UNIT_ASSERT_VALUES_EQUAL(json["@fields"]["trace.id"].GetStringSafe(), "trace-1");
UNIT_ASSERT_VALUES_EQUAL(json["@fields"]["code"].GetStringSafe(), "200");
UNIT_ASSERT(!json["@fields"].Has("request_id"));
}
Y_UNIT_TEST(LoggerNameIgnoresMetaFlags) {
const char* message = "x";
TLogRecord rec(
TLOG_INFO,
message,
1,
TLogRecord::TMetaFlags{{"loggerName", "from-meta"}});
NJson::TJsonValue json;
UNIT_ASSERT(NJson::ReadJsonTree(FormatDeployJsonLogRecord(rec, "from-backend"), &json));
UNIT_ASSERT_VALUES_EQUAL(json["loggerName"].GetStringSafe(), "from-backend");
UNIT_ASSERT(!json.Has("@fields"));
}
Y_UNIT_TEST(MetaFlagsLastWins) {
const char* message = "dup";
TLogRecord rec(
TLOG_INFO,
message,
strlen(message),
TLogRecord::TMetaFlags{
{"file", "first.cpp"},
{"request_id", "old"},
{"file", "second.cpp"},
{"request_id", "new"},
});
const TString formatted = FormatDeployJsonLogRecord(rec);
NJson::TJsonValue json;
UNIT_ASSERT(NJson::ReadJsonTree(formatted, &json));
UNIT_ASSERT_VALUES_EQUAL(json["request_id"].GetStringSafe(), "new");
UNIT_ASSERT_VALUES_EQUAL(json["@fields"]["file"].GetStringSafe(), "second.cpp");
// NJson is last-wins too; assert the key was emitted once.
UNIT_ASSERT_VALUES_EQUAL(formatted.find("\"file\""), formatted.rfind("\"file\""));
}
Y_UNIT_TEST(StripsTrailingNewlineFromMessage) {
const char* message = "line\n";
TLogRecord rec(TLOG_INFO, message, strlen(message));
NJson::TJsonValue json;
UNIT_ASSERT(NJson::ReadJsonTree(FormatDeployJsonLogRecord(rec), &json));
UNIT_ASSERT_VALUES_EQUAL(json["message"].GetStringSafe(), "line");
}
Y_UNIT_TEST(WritesThroughSlaveBackend) {
TStringStream output;
TLog log(MakeHolder<TDeployJsonLogBackend>(
MakeHolder<TStreamLogBackend>(&output),
"suite"));
{
TLogElement element(&log, TLOG_WARNING);
element.With("request_id", "req-1") << "warn";
}
NJson::TJsonValue json;
UNIT_ASSERT(NJson::ReadJsonTree(output.Str(), &json));
UNIT_ASSERT_VALUES_EQUAL(json["message"].GetStringSafe(), "warn");
UNIT_ASSERT_VALUES_EQUAL(json["request_id"].GetStringSafe(), "req-1");
UNIT_ASSERT_VALUES_EQUAL(json["loggerName"].GetStringSafe(), "suite");
}
} // Y_UNIT_TEST_SUITE(DeployJsonLogBackendTest)
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