Add fallback handlers

Former-commit-id: f7e9bd17076a10e1ed1702780d7ce9e89f00b592

core/router/router_test.go

@@ -0,0 +1,41 @@
+package router_test
+
+import (
+	"testing"
+
+	"github.com/kataras/iris"
+	"github.com/kataras/iris/context"
+	"github.com/kataras/iris/httptest"
+)
+
+func TestRouteExists(t *testing.T) {
+	// build the api
+	app := iris.New()
+	emptyHandler := func(context.Context) {}
+
+	// setup the tested routes
+	app.Handle("GET", "/route-exists", emptyHandler)
+	app.Handle("POST", "/route-with-param/{param}", emptyHandler)
+
+	// check RouteExists
+	app.Handle("GET", "/route-test", func(ctx context.Context) {
+		if ctx.RouteExists("GET", "/route-not-exists") {
+			t.Error("Route with path should not exists")
+		}
+
+		if ctx.RouteExists("POST", "/route-exists") {
+			t.Error("Route with method should not exists")
+		}
+
+		if !ctx.RouteExists("GET", "/route-exists") {
+			t.Error("Route 1 should exists")
+		}
+
+		if !ctx.RouteExists("POST", "/route-with-param/a-param") {
+			t.Error("Route 2 should exists")
+		}
+	})
+
+	// run the tests
+	httptest.New(t, app, httptest.Debug(false)).Request("GET", "/route-test").Expect().Status(iris.StatusOK)
+}