test gorush version.

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

gorush/server_test.go

@@ -21,7 +21,11 @@ func initTest() {
 }
 
 func TestPrintGoRushVersion(t *testing.T) {
+	SetVersion("3.0.0")
+	ver := GetVersion()
 	PrintGoRushVersion()
+
+	assert.Equal(t, "3.0.0", ver)
 }
 
 func TestRunNormalServer(t *testing.T) {

gorush/version.go

@@ -12,6 +12,10 @@ func SetVersion(ver string) {
 	version = ver
 }
 
+func GetVersion() string {
+	return version
+}
+
 // PrintGoRushVersion provide print server engine
 func PrintGoRushVersion() {
 	fmt.Printf(`GoRush %s, Compiler: %s %s, Copyright (C) 2016 Bo-Yi Wu, Inc.`,