feat: add more convenience functions (#46)

http/health.go → http/handlers.go

@@ -1,8 +1,13 @@
 package http
 
-import (
-	"net/http"
-)
+import "net/http"
+
+// OK replies to the request with an HTTP 200 ok reply.
+func OK(rw http.ResponseWriter, _ *http.Request) { rw.WriteHeader(http.StatusOK) }
+
+// OKHandler returns a simple request handler
+// that replies to each request with a ``200 OK'' reply.
+func OKHandler() http.Handler { return http.HandlerFunc(OK) }
 
 // DefaultHealthPath is the default HTTP path for checking health.
 var DefaultHealthPath = "/health"

http/health_test.go → http/handlers_test.go

@@ -10,6 +10,16 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
+func TestOKHandler(t *testing.T) {
+	h := httpx.OKHandler()
+
+	w := httptest.NewRecorder()
+	req := httptest.NewRequest("GET", "/something", nil)
+	h.ServeHTTP(w, req)
+
+	assert.Equal(t, http.StatusOK, w.Code)
+}
+
 func TestNewHealthHandler(t *testing.T) {
 	tests := []struct {
 		name     string

http/middleware/middleware.go

@@ -31,6 +31,13 @@ func WithRecovery(h http.Handler, log *logger.Logger) http.Handler {
 	})
 }
 
+// Recovery is a wrapper for WithRecovery.
+func Recovery(log *logger.Logger) func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return WithRecovery(next, log)
+	}
+}
+
 // WithStats collects statistics about HTTP requests.
 func WithStats(name string, s *statter.Statter, h http.Handler) http.Handler {
 	return http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
@@ -55,6 +62,13 @@ func WithStats(name string, s *statter.Statter, h http.Handler) http.Handler {
 	})
 }
 
+// Stats is a wrapper for WithStats.
+func Stats(name string, s *statter.Statter) func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return WithStats(name, s, next)
+	}
+}
+
 type responseWrapper struct {
 	http.ResponseWriter