我有一个从自定义配置(即 config.Build()
)生成的 Zap 记录器。我想通过在测试方法中调用例如 logger.Info()
来测试记录器,并断言结果以查看它是否符合配置集。我怎样才能做到这一点?
代码示例:
func GetLogger() *zap.Logger{
config := &zap.Config{
Encoding: "json",
Level: zap.NewAtomicLevelAt(zapcore.InfoLevel),
OutputPaths: []string{"stdout"},
ErrorOutputPaths: []string{"stdout"},
EncoderConfig: zapcore.EncoderConfig{
MessageKey: "@m",
LevelKey: "@l",
EncodeLevel: zapcore.CapitalLevelEncoder,
TimeKey: "@t",
EncodeTime: zapcore.EpochMillisTimeEncoder,
CallerKey: "@c",
EncodeCaller: zapcore.ShortCallerEncoder,
StacktraceKey: "@x",
},
}
return config.Build()
}
最佳答案
zap 有一个特殊的 zaptest/observer
模块,用于单元测试:
package test
import (
"testing"
"go.uber.org/zap"
"go.uber.org/zap/zaptest/observer"
)
func setupLogsCapture() (*zap.Logger, *observer.ObservedLogs) {
core, logs := observer.New(zap.InfoLevel)
return zap.New(core), logs
}
func Test(t *testing.T) {
logger, logs := setupLogsCapture()
logger.Warn("This is the warning")
if logs.Len() != 1 {
t.Errorf("No logs")
} else {
entry := logs.All()[0]
if entry.Level != zap.WarnLevel || entry.Message != "This is the warning" {
t.Errorf("Invalid log entry %v", entry)
}
}
}
关于go - 如何测试从自定义配置构建的 zap Logger 的日志记录?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/52734529/