File: log_test.go

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package log

import (
	"os"
	"testing"
)

func TestStdStreamLog(t *testing.T) {
	h, _ := NewStreamHandler(os.Stdout)
	s := NewDefault(h)
	s.Info("hello world")

	s.Close()

	s.Info("can not log")

	Info("hello world")

	SetHandler(os.Stderr)

	Infof("%s %d", "Hello", 123)

	SetLevel(LevelError)

	Infof("%s %d", "Hello", 123)

	SetLevelByName("info")

	Infof("%s %d", "Hello", 123)

	Fatalf("%s %d", "Hello", 123)
}

func TestRotatingFileLog(t *testing.T) {
	path := "./test_log"
	os.RemoveAll(path)

	os.Mkdir(path, 0777)
	fileName := path + "/test"

	h, err := NewRotatingFileHandler(fileName, 10, 2)
	if err != nil {
		t.Fatal(err)
	}

	buf := make([]byte, 10)

	h.Write(buf)

	h.Write(buf)

	if _, err := os.Stat(fileName + ".1"); err != nil {
		t.Fatal(err)
	}

	if _, err := os.Stat(fileName + ".2"); err == nil {
		t.Fatal(err)
	}

	h.Write(buf)
	if _, err := os.Stat(fileName + ".2"); err != nil {
		t.Fatal(err)
	}

	h.Close()

	os.RemoveAll(path)
}