Function NewLogger

zaptest/logger.go:77–101

NewLogger builds a new Logger that logs all messages to the given testing.TB. logger := zaptest.NewLogger(t) Use this with a *testing.T or *testing.B to get logs which get printed only if a test fails or if you ran go test -v. The returned logger defaults to logging debug level messages and abov

(t TestingT, opts ...LoggerOption)

//
//	logger := zaptest.NewLogger(t, zaptest.WrapOptions(zap.AddCaller()))
func NewLogger(t TestingT, opts ...LoggerOption) *zap.Logger {
	cfg := loggerOptions{
		Level: zapcore.DebugLevel,
	}
	for _, o := range opts {
		o.applyLoggerOption(&cfg)
	}

	writer := NewTestingWriter(t)
	zapOptions := []zap.Option{
		// Send zap errors to the same writer and mark the test as failed if
		// that happens.
		zap.ErrorOutput(writer.WithMarkFailed(true)),
	}
	zapOptions = append(zapOptions, cfg.zapOptions...)

	return zap.New(
		zapcore.NewCore(
			zapcore.NewConsoleEncoder(zap.NewDevelopmentEncoderConfig()),
			writer,
			cfg.Level,
		),
		zapOptions...,
	)
}

// TestingWriter is a WriteSyncer that writes to the given testing.TB.
type TestingWriter struct {