feat(serve-http): add ServeHTTP func for server

serve-http.go

@@ -0,0 +1,30 @@
+package govalin
+
+import (
+	"net/http"
+)
+
+type ServeHTTPFunc func(w http.ResponseWriter, r *http.Request)
+
+// HttpServe registers a ServeHttpFunc to a path which adheres to the http.Handler interface.
+func (server *App) HTTPServe(path string, httpServeFunc ServeHTTPFunc) {
+	fullPath := server.currentFragment + path
+	handler := server.getOrCreatePathHandlerByPath(fullPath)
+
+	handlerFunc := func(call *Call) {
+		call.bypassLifecycle = true
+		httpServeFunc(*call.Raw.W, call.Raw.Req)
+	}
+
+	handler.Get = handlerFunc
+	handler.Post = handlerFunc
+	handler.Put = handlerFunc
+	handler.Patch = handlerFunc
+	handler.Delete = handlerFunc
+	handler.Options = handlerFunc
+	handler.Head = handlerFunc
+
+	for _, onRouteAdded := range server.config.server.events.onRouteAdded {
+		onRouteAdded("ServeHTTP", fullPath, handlerFunc)
+	}
+}

serve-http_test.go

@@ -0,0 +1,59 @@
+package govalin_test
+
+import (
+	"net/http"
+	"testing"
+
+	"github.com/pkkummermo/govalin"
+	"github.com/pkkummermo/govalin/internal/govalintesting"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestServeHTTP(t *testing.T) {
+	govalintesting.HTTPTestUtil(func(app *govalin.App) *govalin.App {
+		app.HTTPServe("/httpserve", func(w http.ResponseWriter, _ *http.Request) {
+			_, err := w.Write([]byte("httpservegovalin"))
+			w.WriteHeader(http.StatusOK)
+			assert.Nil(t, err, "Should write to response writer")
+		})
+
+		return app
+	}, func(http govalintesting.GovalinHTTP) {
+		assert.Equal(
+			t,
+			"httpservegovalin",
+			http.Get("/httpserve", nil),
+			"Should create httpserve GET endpoint",
+		)
+		assert.Equal(
+			t,
+			"httpservegovalin",
+			http.Post("/httpserve", nil),
+			"Should create httpserve POST endpoint",
+		)
+		assert.Equal(
+			t,
+			"httpservegovalin",
+			http.Patch("/httpserve", nil),
+			"Should create httpserve PATCH endpoint",
+		)
+		assert.Equal(
+			t,
+			"httpservegovalin",
+			http.Delete("/httpserve", nil),
+			"Should create httpserve DELETE endpoint",
+		)
+		assert.Equal(
+			t,
+			"httpservegovalin",
+			http.Options("/httpserve", nil),
+			"Should create httpserve OPTIONS endpoint",
+		)
+		assert.Equal(
+			t,
+			"",
+			http.Head("/httpserve"),
+			"Should create httpserve HEAD endpoint",
+		)
+	})
+}