fix test

Author: wxiaoguang

modules/httplib/url_test.go

@@ -42,6 +42,8 @@ func TestIsRelativeURL(t *testing.T) {
 
 func TestGuessCurrentHostURL(t *testing.T) {
 	defer test.MockVariableValue(&setting.AppURL, "http://cfg-host/sub/")()
+	defer test.MockVariableValue(&setting.AppSubURL, "/sub")()
+	defer test.MockVariableValue(&setting.UseHostHeader, false)()
 
 	ctx := t.Context()
 	assert.Equal(t, "http://cfg-host", GuessCurrentHostURL(ctx))

modules/setting/server.go

@@ -199,7 +199,7 @@ func loadServerFrom(rootCfg ConfigProvider) {
 	}
 
 	switch protocolCfg {
-	case "http":
+	case "", "http":
 		Protocol = HTTP
 	case "https":
 		Protocol = HTTPS

routers/web/admin/admin_test.go

@@ -76,6 +76,7 @@ func TestShadowPassword(t *testing.T) {
 func TestSelfCheckPost(t *testing.T) {
 	defer test.MockVariableValue(&setting.AppURL, "http://config/sub/")()
 	defer test.MockVariableValue(&setting.AppSubURL, "/sub")()
+	defer test.MockVariableValue(&setting.UseHostHeader, false)()
 
 	ctx, resp := contexttest.MockContext(t, "GET http://host/sub/admin/self_check?location_origin=http://frontend")
 	SelfCheckPost(ctx)