colosseum-near-rt-ric/setup/e2mgr/E2Manager/logger/logger_test.go

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2021-12-08 21:17:46 +01:00
//
// Copyright 2019 AT&T Intellectual Property
// Copyright 2019 Nokia
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// This source code is part of the near-RT RIC (RAN Intelligent Controller)
// platform project (RICP).
package logger
import (
"bytes"
"github.com/stretchr/testify/assert"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"io"
"os"
"testing"
)
func TestInitDebugLoggerSuccess(t *testing.T) {
log, err := InitLogger(DebugLevel)
assert.Nil(t, err)
assert.NotNil(t, log)
assert.True(t, log.Logger.Core().Enabled(zap.DebugLevel))
}
func TestInitInfoLoggerSuccess(t *testing.T) {
log, err := InitLogger(InfoLevel)
assert.Nil(t, err)
assert.NotNil(t, log)
assert.True(t, log.Logger.Core().Enabled(zap.InfoLevel))
}
func TestInitWarnLoggerSuccess(t *testing.T) {
log, err := InitLogger(WarnLevel)
assert.Nil(t, err)
assert.NotNil(t, log)
assert.True(t, log.Logger.Core().Enabled(zap.WarnLevel))
}
func TestInitErrorLoggerSuccess(t *testing.T) {
log, err := InitLogger(ErrorLevel)
assert.Nil(t, err)
assert.NotNil(t, log)
assert.True(t, log.Logger.Core().Enabled(zap.ErrorLevel))
}
func TestInitDPanicLoggerSuccess(t *testing.T) {
log, err := InitLogger(DPanicLevel)
assert.Nil(t, err)
assert.NotNil(t, log)
assert.True(t, log.Logger.Core().Enabled(zap.DPanicLevel))
}
func TestInitPanicLoggerSuccess(t *testing.T) {
log, err := InitLogger(PanicLevel)
assert.Nil(t, err)
assert.NotNil(t, log)
assert.True(t, log.Logger.Core().Enabled(zap.PanicLevel))
}
func TestInitInfoLoggerFailure(t *testing.T) {
log, err := InitLogger(99)
assert.NotNil(t, err)
assert.Nil(t, log)
}
func TestSyncSuccess(t *testing.T){
logFile, err := os.Create("./loggerTest.txt")
if err != nil{
t.Errorf("logger_test.TestSyncSuccess - failed to create file, error: %s", err)
}
old := os.Stdout
os.Stdout = logFile
log, err := InitLogger(DebugLevel)
if err != nil {
t.Errorf("logger_test.TestSyncSuccess - failed to initialize logger, error: %s", err)
}
err = log.Sync()
assert.Nil(t, err)
os.Stdout = old
logFile, err = os.Open("./loggerTest.txt")
if err != nil{
t.Errorf("logger_test.TestSyncSuccess - failed to open file, error: %s", err)
}
var buf bytes.Buffer
_, err = io.Copy(&buf, logFile)
if err != nil {
t.Errorf("logger_test.TestSyncSuccess - failed to copy bytes, error: %s", err)
}
debugRecord,_ :=buf.ReadString('\n')
errorRecord,_ :=buf.ReadString('\n')
assert.NotEmpty(t, debugRecord)
assert.Empty(t, errorRecord)
err = os.Remove("./loggerTest.txt")
if err != nil {
t.Errorf("logger_test.TestSyncSuccess - failed to remove file, error: %s", err)
}
}
func TestSyncFailure(t *testing.T){
log, err := InitLogger(DebugLevel)
err = log.Sync()
assert.NotNil(t, err)
}
func TestDebugEnabledFalse(t *testing.T){
entryNum, log := countRecords(InfoLevel, t)
assert.False(t, log.DebugEnabled())
assert.Equal(t,3, entryNum)
}
func TestDebugEnabledTrue(t *testing.T){
entryNum, log := countRecords(DebugLevel, t)
assert.True(t, log.DebugEnabled())
assert.Equal(t,4, entryNum)
}
func TestDPanicfDebugLevel(t *testing.T){
assert.True(t,validateRecordExists(DebugLevel, zap.DPanicLevel, t))
}
func TestDPanicfInfoLevel(t *testing.T){
assert.True(t,validateRecordExists(InfoLevel, zap.DPanicLevel, t))
}
func TestErrorfDebugLevel(t *testing.T) {
assert.True(t,validateRecordExists(DebugLevel, zap.ErrorLevel, t))
}
func TestErrorfInfoLevel(t *testing.T) {
assert.True(t,validateRecordExists(InfoLevel, zap.ErrorLevel, t))
}
func TestInfofDebugLevel(t *testing.T) {
assert.True(t,validateRecordExists(DebugLevel, zap.InfoLevel, t))
}
func TestInfofInfoLevel(t *testing.T) {
assert.True(t,validateRecordExists(InfoLevel, zap.InfoLevel, t))
}
func TestDebugfDebugLevel(t *testing.T) {
assert.True(t,validateRecordExists(DebugLevel, zap.DebugLevel, t))
}
func TestDebugfInfoLevel(t *testing.T) {
assert.False(t,validateRecordExists(InfoLevel, zap.DebugLevel, t))
}
func TestInfofFatalLevel(t *testing.T) {
assert.False(t,validateRecordExists(FatalLevel, zap.InfoLevel, t))
}
func TestDebugfFatalLevel(t *testing.T) {
assert.False(t,validateRecordExists(FatalLevel, zap.DebugLevel, t))
}
func TestWarnfWarnLevel(t *testing.T) {
assert.True(t,validateRecordExists(WarnLevel, zap.WarnLevel, t))
}
func TestWarnfDebugLevel(t *testing.T) {
assert.True(t,validateRecordExists(DebugLevel, zap.WarnLevel, t))
}
func TestWarnfInfoLevel(t *testing.T) {
assert.True(t,validateRecordExists(InfoLevel, zap.WarnLevel, t))
}
func TestWarnfFatalLevel(t *testing.T) {
assert.False(t,validateRecordExists(FatalLevel, zap.WarnLevel, t))
}
func TestLogLevelTokenToLevel(t *testing.T) {
level, ok := LogLevelTokenToLevel("deBug")
assert.True(t, ok)
assert.True(t, level == DebugLevel)
level, ok = LogLevelTokenToLevel("infO")
assert.True(t, ok)
assert.True(t, level == InfoLevel)
level, ok = LogLevelTokenToLevel("Warn")
assert.True(t, ok)
assert.True(t, level == WarnLevel)
level, ok = LogLevelTokenToLevel("eRror")
assert.True(t, ok)
assert.True(t, level == ErrorLevel)
level, ok = LogLevelTokenToLevel("Dpanic ")
assert.True(t, ok)
assert.True(t, level == DPanicLevel)
level, ok = LogLevelTokenToLevel(" panic ")
assert.True(t, ok)
assert.True(t, level == PanicLevel)
level, ok = LogLevelTokenToLevel("fatal")
assert.True(t, ok)
assert.True(t, level == FatalLevel)
level, ok = LogLevelTokenToLevel("zzz")
assert.False(t, ok)
assert.True(t, level > FatalLevel)
}
func countRecords(logLevel LogLevel, t *testing.T) (int, *Logger){
old := os.Stdout
r, w, _ :=os.Pipe()
os.Stdout = w
log, err := InitLogger(logLevel)
if err != nil {
t.Errorf("logger_test.TestSyncFailure - failed to initialize logger, error: %s", err)
}
log.Infof("%v, %v, %v", 1, "abc", 0.1)
log.Debugf("%v, %v, %v", 1, "abc", 0.1)
log.Errorf("%v, %v, %v", 1, "abc", 0.1)
log.DPanicf("%v, %v, %v", 1, "abc", 0.1)
err = w.Close()
if err != nil {
t.Errorf("logger_test.TestSyncFailure - failed to close writer, error: %s", err)
}
os.Stdout = old
var buf bytes.Buffer
_, err = io.Copy(&buf, r)
if err != nil {
t.Errorf("logger_test.TestSyncFailure - failed to copy bytes, error: %s", err)
}
entryNum := 0
s,_:= buf.ReadString('\n')
for len(s) > 0{
entryNum +=1
s,_= buf.ReadString('\n')
}
return entryNum, log
}
func validateRecordExists(logLevel LogLevel, recordLevel zapcore.Level, t *testing.T) bool {
old := os.Stdout
r, w, _ :=os.Pipe()
os.Stdout = w
log, err := InitLogger(logLevel)
if err != nil {
t.Errorf("logger_test.TestSyncFailure - failed to initialize logger, error: %s", err)
}
switch recordLevel{
case zap.DebugLevel:
log.Debugf("%v, %v, %v", 1, "abc", 0.1)
case zap.InfoLevel:
log.Infof("%v, %v, %v", 1, "abc", 0.1)
case zap.WarnLevel:
log.Warnf("%v, %v, %v", 1, "abc", 0.1)
case zap.ErrorLevel:
log.Errorf("%v, %v, %v", 1, "abc", 0.1)
case zap.DPanicLevel:
log.DPanicf("%v, %v, %v", 1, "abc", 0.1)
}
err = w.Close()
if err != nil {
t.Errorf("logger_test.TestSyncFailure - failed to close writer, error: %s", err)
}
os.Stdout = old
var buf bytes.Buffer
_, err = io.Copy(&buf, r)
if err != nil {
t.Errorf("logger_test.TestSyncFailure - failed to copy bytes, error: %s", err)
}
entryNum := 0
s,_:= buf.ReadString('\n')
for len(s) > 0{
entryNum +=1
s,_= buf.ReadString('\n')
}
return entryNum == 1
}