added timeNow override

Author: cevaris

.gitignore

@@ -0,0 +1,4 @@
+*.test
+.idea
+*.iml
+*~

example_test.go

@@ -1,6 +1,9 @@
 package logging
 
-import "os"
+import (
+	"os"
+	"time"
+)
 
 func Example() {
 	// This call is for testing purposes and will set the time to unix epoch.
@@ -27,6 +30,11 @@ func Example() {
 	backend2Leveled := AddModuleLevel(backend2Formatter)
 	backend2Leveled.SetLevel(ERROR, "")
 
+	// Log UTC time, default is Local
+	SetTimeNow(func() time.Time {
+		return time.Now().UTC()
+	})
+
 	// Set the backends to be used and the default level.
 	SetBackend(backend1, backend2Leveled)
 

logger.go

@@ -123,6 +123,11 @@ func MustGetLogger(module string) *Logger {
 	return logger
 }
 
+// SetTimeNow configures the time.Time value generated for log time values
+func SetTimeNow(now func () time.Time) {
+	timeNow = now
+}
+
 // Reset restores the internal state of the logging library.
 func Reset() {
 	// TODO make a global Init() method to be less magic? or make it such that

logger_test.go

@@ -4,7 +4,10 @@
 
 package logging
 
-import "testing"
+import (
+	"testing"
+	"time"
+)
 
 type Password string
 
@@ -60,3 +63,20 @@ func TestPrivateBackend(t *testing.T) {
 		t.Error("logged to defaultBackend:", MemoryRecordN(privateBackend, 0))
 	}
 }
+
+func TestLogger_SetTimerNow(t *testing.T) {
+	_ = InitForTesting(DEBUG)
+	_ = MustGetLogger("test")
+
+	if now := timeNow(); now != time.Unix(0, 0).UTC() {
+		t.Error("test timeNow incorrect", now)
+	}
+
+	SetTimeNow(func() time.Time {
+		return time.Unix(1, 1)
+	})
+
+	if now := timeNow(); now != time.Unix(1, 1) {
+		t.Error("test timeNow dit not get overwritten", now)
+	}
+}