Mock time (#2)

time/time.go

@@ -0,0 +1,19 @@
+package time
+
+import "time"
+
+type Clock interface {
+	Now() time.Time
+}
+
+type realClock struct{}
+
+func (realClock) Now() time.Time {
+	return time.Now()
+}
+
+var DefaultClock Clock = &realClock{}
+
+func Now() time.Time {
+	return DefaultClock.Now()
+}