ethlog: improve TestLogSystem

It's now safe for concurrent access.
Output checking looks better.
This commit is contained in:
Felix Lange 2014-10-14 19:05:43 +02:00
parent 45d1052229
commit ec132749aa

View File

@ -5,29 +5,50 @@ import (
"io/ioutil"
"math/rand"
"os"
"sync"
"testing"
"time"
)
type TestLogSystem struct {
Output string
mutex sync.Mutex
output string
level LogLevel
}
func (t *TestLogSystem) Println(v ...interface{}) {
t.Output += fmt.Sprintln(v...)
func (ls *TestLogSystem) Println(v ...interface{}) {
ls.mutex.Lock()
ls.output += fmt.Sprintln(v...)
ls.mutex.Unlock()
}
func (t *TestLogSystem) Printf(format string, v ...interface{}) {
t.Output += fmt.Sprintf(format, v...)
func (ls *TestLogSystem) Printf(format string, v ...interface{}) {
ls.mutex.Lock()
ls.output += fmt.Sprintf(format, v...)
ls.mutex.Unlock()
}
func (t *TestLogSystem) SetLogLevel(i LogLevel) {
t.level = i
func (ls *TestLogSystem) SetLogLevel(i LogLevel) {
ls.mutex.Lock()
ls.level = i
ls.mutex.Unlock()
}
func (ls *TestLogSystem) GetLogLevel() LogLevel {
ls.mutex.Lock()
defer ls.mutex.Unlock()
return ls.level
}
func (ls *TestLogSystem) CheckOutput(t *testing.T, expected string) {
ls.mutex.Lock()
output := ls.output
ls.mutex.Unlock()
if output != expected {
t.Errorf("log output mismatch:\n got: %q\n want: %q\n", output, expected)
}
}
func (t *TestLogSystem) GetLogLevel() LogLevel {
return t.level
}
func TestLoggerFlush(t *testing.T) {
@ -57,10 +78,8 @@ func TestLoggerPrintln(t *testing.T) {
logger.Infoln("info")
logger.Debugln("debug")
Flush()
output := testLogSystem.Output
if output != "[TEST] error\n[TEST] warn\n" {
t.Error("Expected logger output '[TEST] error\\n[TEST] warn\\n', got ", output)
}
testLogSystem.CheckOutput(t, "[TEST] error\n[TEST] warn\n")
}
func TestLoggerPrintf(t *testing.T) {
@ -69,15 +88,12 @@ func TestLoggerPrintf(t *testing.T) {
logger := NewLogger("TEST")
testLogSystem := &TestLogSystem{level: WarnLevel}
AddLogSystem(testLogSystem)
logger.Errorf("error to %v\n", *testLogSystem)
logger.Errorf("error to %v\n", []int{1, 2, 3})
logger.Warnf("warn")
logger.Infof("info")
logger.Debugf("debug")
Flush()
output := testLogSystem.Output
if output != "[TEST] error to { 2}\n[TEST] warn" {
t.Error("Expected logger output '[TEST] error to { 2}\\n[TEST] warn', got ", output)
}
testLogSystem.CheckOutput(t, "[TEST] error to [1 2 3]\n[TEST] warn")
}
func TestMultipleLogSystems(t *testing.T) {
@ -91,14 +107,9 @@ func TestMultipleLogSystems(t *testing.T) {
logger.Errorln("error")
logger.Warnln("warn")
Flush()
output0 := testLogSystem0.Output
output1 := testLogSystem1.Output
if output0 != "[TEST] error\n" {
t.Error("Expected logger 0 output '[TEST] error\\n', got ", output0)
}
if output1 != "[TEST] error\n[TEST] warn\n" {
t.Error("Expected logger 1 output '[TEST] error\\n[TEST] warn\\n', got ", output1)
}
testLogSystem0.CheckOutput(t, "[TEST] error\n")
testLogSystem1.CheckOutput(t, "[TEST] error\n[TEST] warn\n")
}
func TestFileLogSystem(t *testing.T) {
@ -140,7 +151,7 @@ func TestConcurrentAddSystem(t *testing.T) {
case <-stop:
return
default:
logger.Infof("foo")
logger.Infoln("foo")
Flush()
}
}