logger_test.go

package vertigo

// Copyright (c) 2019-2020 Micro Focus or one of its affiliates.
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// Licensed under the Apache License, Version 2.0 (the "License");
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//    http://www.apache.org/licenses/LICENSE-2.0
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import (
	"testing"

	"github.com/vertica/vertica-sql-go/logger"
)

type LogMessage struct {
	Prefix string
	Name   string
	Msg    string
}
type MyLogger struct {
	LastMessage *LogMessage
}

func (l *MyLogger) Write(prefix string, name string, msg string) {
	l.LastMessage = &LogMessage{Prefix: prefix, Name: name, Msg: msg}
}
func (l MyLogger) Close() {}

func TestExternalLogging(t *testing.T) {
	ml := &MyLogger{}

	logger.SetLogger(ml)
	logger.SetLogLevel(logger.TRACE)

	log := logger.New("TestExternalLogging")

	log.Debug("Basic logging message here")
	assertEqual(t, ml.LastMessage.Prefix, "DEBUG")
	assertEqual(t, ml.LastMessage.Name, "TestExternalLogging")
	assertEqual(t, ml.LastMessage.Msg, "Basic logging message here")

	log.Info("Basic logging message here with number %v", 1234)
	assertEqual(t, ml.LastMessage.Prefix, "INFO")
	assertEqual(t, ml.LastMessage.Name, "TestExternalLogging")
	assertEqual(t, ml.LastMessage.Msg, "Basic logging message here with number 1234")

	log.Warn("With a string and a number: %s, %d", "a string", 5678)
	assertEqual(t, ml.LastMessage.Prefix, "WARN")
	assertEqual(t, ml.LastMessage.Name, "TestExternalLogging")
	assertEqual(t, ml.LastMessage.Msg, "With a string and a number: a string, 5678")

	log.LineTrace()
	assertEqual(t, ml.LastMessage.Prefix, "TRACE")
	assertEqual(t, ml.LastMessage.Name, "TestExternalLogging")
}