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log_test.go
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package log
import (
"bytes"
"strings"
"testing"
)
func TestSetHandler(t *testing.T) {
buff := bytes.NewBuffer(nil)
SetHandler(buff)
if defaultLogger.output.output != buff {
t.Error("default logger output does not match with expected value")
}
}
func TestSetLevel(t *testing.T) {
SetLevel(INFO)
if loggingLevel != INFO {
t.Errorf("Unexpected default logging level. Expected [%d], got [%d]", INFO, loggingLevel)
}
}
func TestLog(t *testing.T) {
buff := bytes.NewBuffer(nil)
SetHandler(buff)
SetLevel(DEBUG)
Log(DEBUG, "Test")
str := strings.TrimSpace(buff.String())
if !strings.HasSuffix(str, "Test") {
t.Errorf("Unexpected log record. Expected ending on [%s], got [%s]", "Test", str)
}
}
func TestInfo(t *testing.T) {
buff := bytes.NewBuffer(nil)
SetHandler(buff)
SetLevel(INFO)
Info("Test")
str := strings.TrimSpace(buff.String())
if !strings.HasSuffix(str, "Test") {
t.Errorf("Unexpected log record. Expected ending on [%s], got [%s]", "Test", str)
}
}
func TestWarn(t *testing.T) {
buff := bytes.NewBuffer(nil)
SetHandler(buff)
SetLevel(WARNING)
Warn("Test")
str := strings.TrimSpace(buff.String())
if !strings.HasSuffix(str, "Test") {
t.Errorf("Unexpected log record. Expected ending on [%s], got [%s]", "Test", str)
}
}
func TestErr(t *testing.T) {
buff := bytes.NewBuffer(nil)
SetHandler(buff)
SetLevel(ERROR)
Error("Test")
str := strings.TrimSpace(buff.String())
if !strings.HasSuffix(str, "Test") {
t.Errorf("Unexpected log record. Expected ending on [%s], got [%s]", "Test", str)
}
}
func TestDebug(t *testing.T) {
buff := bytes.NewBuffer(nil)
SetHandler(buff)
SetLevel(DEBUG)
Debug("Test")
str := strings.TrimSpace(buff.String())
if !strings.HasSuffix(str, "Test") {
t.Errorf("Unexpected log record. Expected ending on [%s], got [%s]", "Test", str)
}
}
func TestNamedLoggerSameOutput(t *testing.T) {
buff := bytes.NewBuffer(nil)
namedLogger := GetNamedLogger("sublogger")
SetHandler(buff)
SetLevel(INFO)
namedLogger.Info("Test")
str := strings.TrimSpace(buff.String())
if !strings.HasSuffix(str, "Test") {
t.Errorf("Unexpected log record. Expected ending on [%s], got [%s]", "Test", str)
}
buff = bytes.NewBuffer(nil)
SetHandler(buff)
SetLevel(INFO)
Info("Test2")
str = strings.TrimSpace(buff.String())
if !strings.HasSuffix(str, "Test2") {
t.Errorf("Unexpected log record. Expected ending on [%s], got [%s]", "Test2", str)
}
}
func TestNamedLoggerDiffOutput(t *testing.T) {
buff := bytes.NewBuffer(nil)
namedBuff := bytes.NewBuffer(nil)
namedLogger := GetNamedLogger("sublogger")
namedLogger.SetOutput(namedBuff)
SetHandler(buff)
SetLevel(INFO)
Info("Default")
namedLogger.Info("Named")
str := strings.TrimSpace(buff.String())
namedStr := strings.TrimSpace(namedBuff.String())
if !strings.HasSuffix(str, "Default") {
t.Errorf("Unexpected log record. Expected ending on [%s], got [%s]", "Default", str)
}
if !strings.HasSuffix(namedStr, "Named") {
t.Errorf("Unexpected log record. Expected ending on [%s], got [%s]", "Named", namedStr)
}
}