Misc fixes

examples/examples.go

@@ -10,6 +10,7 @@ import (
 	"github.com/project-flogo/core/engine/channels"
 	"github.com/project-flogo/microgateway"
 	microapi "github.com/project-flogo/microgateway/api"
+	"github.com/project-flogo/microgateway/internal/pattern"
 )
 
 // BasicGatewayExample returns a Basic Gateway API example
@@ -228,6 +229,33 @@ func DefaultChannelPattern() (engine.Engine, error) {
 	return api.NewEngine(app)
 }
 
+// CustomPattern returns an engine configured for given pattern name
+func CustomPattern(patternName string, custompattern string) (engine.Engine, error) {
+	err := pattern.Register(patternName, custompattern)
+	if err != nil {
+		panic(err)
+	}
+	app := api.NewApp()
+
+	trg := app.NewTrigger(&trigger.Trigger{}, &trigger.Settings{Port: 9096})
+	handler, err := trg.NewHandler(&trigger.HandlerSettings{
+		Method: "GET",
+		Path:   "/endpoint",
+	})
+	if err != nil {
+		panic(err)
+	}
+
+	_, err = handler.NewAction(&microgateway.Action{}, map[string]interface{}{
+		"pattern": patternName,
+	})
+	if err != nil {
+		panic(err)
+	}
+
+	return api.NewEngine(app)
+}
+
 func AsyncGatewayExample() (engine.Engine, error) {
 	app := api.NewApp()
 	gateway := microapi.New("Log")
@@ -241,7 +269,7 @@ func AsyncGatewayExample() (engine.Engine, error) {
 	settings, err := gateway.AddResource(app)
 	settings["async"] = true
 	if err != nil {
-		panic(err)
+		return nil, err
 	}
 
 	trg := app.NewTrigger(&trigger.Trigger{}, &trigger.Settings{Port: 9096})
@@ -259,4 +287,4 @@ func AsyncGatewayExample() (engine.Engine, error) {
 	}
 
 	return api.NewEngine(app)
-}
+}