Added test for minimal example. Omit optional values when not set. Added messages for route info, production drop and route end.

route_info.go

@@ -0,0 +1,66 @@
+package feragstring
+
+import "fmt"
+
+type RouteInfo struct {
+	FeragMessage
+	routeName string
+	topsheetMarker int
+	eaAddressDefinition int
+	editionName string
+}
+
+func (ri *RouteInfo) EditionName() string {
+	return fmt.Sprintf("+20%-30s", ri.editionName)
+}
+
+func (ri *RouteInfo) SetEditionName(editionName string) {
+	ri.editionName = editionName
+}
+
+func (ri *RouteInfo) EaAddressDefinition() string {
+	return fmt.Sprintf("+91%06d", ri.eaAddressDefinition)
+}
+
+func (ri *RouteInfo) SetEaAddressDefinition(eaAddressDefinition int) {
+	ri.eaAddressDefinition = eaAddressDefinition
+}
+
+func (ri *RouteInfo) TopsheetMarker() string {
+	return fmt.Sprintf("+59%1d", ri.topsheetMarker)
+}
+
+func (ri *RouteInfo) SetTopsheetMarker(topsheetMarker int) {
+	ri.topsheetMarker = topsheetMarker
+}
+
+func (ri *RouteInfo) SetRouteName(routeName string) {
+	ri.routeName = routeName
+}
+
+func (ri *RouteInfo) RouteName() string {
+	return fmt.Sprintf("+11%-13s", ri.routeName)
+}
+
+func NewRouteInfo() *RouteInfo {
+	ri := RouteInfo{
+		FeragMessage:        FeragMessage{
+			messageStart: "2402",
+			messageEnd:   "!",
+		},
+	}
+	return &ri
+}
+
+func (ri *RouteInfo) Payload() string {
+	data := ri.RouteName()
+	data += ri.TopsheetMarker()
+	data += ri.EaAddressDefinition()
+	data += ri.EditionName()
+	return data
+}
+
+func (ri *RouteInfo) Message() string {
+	message := ri.FeragMessage.MessageTemplate()
+	return message(&ri.FeragMessage, ri.Payload())
+}