Merge pull request #583 from Fenny/master

🚀 Improve JSON response

ctx.go

@@ -377,7 +377,7 @@ func (ctx *Ctx) Format(body interface{}) {
 			ctx.Send(body) // Fallback
 			log.Println("Format: error serializing xml ", err)
 		} else {
-			ctx.SendString(getString(raw))
+			ctx.Fasthttp.Response.SetBodyRaw(raw)
 		}
 	default:
 		ctx.SendString(b)
@@ -515,8 +515,8 @@ func (ctx *Ctx) JSON(data interface{}) error {
 	}
 	// Set http headers
 	ctx.Fasthttp.Response.Header.SetContentType(MIMEApplicationJSON)
-	ctx.SendString(getString(raw))
-	// Success!
+	ctx.Fasthttp.Response.SetBodyRaw(raw)
+
 	return nil
 }
 

ctx_test.go

@@ -1472,3 +1472,31 @@ func Benchmark_Ctx_SendBytes_With_SetBodyRaw(b *testing.B) {
 	}
 	utils.AssertEqual(b, body, c.Fasthttp.Response.Body())
 }
+
+// go test -v  -run=^$ -bench=Benchmark_Ctx_SendString_B -benchmem -count=4
+func Benchmark_Ctx_SendString_B(b *testing.B) {
+	app := New()
+	c := app.AcquireCtx(&fasthttp.RequestCtx{})
+	defer app.ReleaseCtx(c)
+	body := "Hello, world!"
+	b.ReportAllocs()
+	b.ResetTimer()
+	for n := 0; n < b.N; n++ {
+		c.SendString(body)
+	}
+	utils.AssertEqual(b, []byte("Hello, world!"), c.Fasthttp.Response.Body())
+}
+
+// go test -v  -run=^$ -bench=Benchmark_Ctx_SendBytes_B -benchmem -count=4
+func Benchmark_Ctx_SendBytes_B(b *testing.B) {
+	app := New()
+	c := app.AcquireCtx(&fasthttp.RequestCtx{})
+	defer app.ReleaseCtx(c)
+	body := []byte("Hello, world!")
+	b.ReportAllocs()
+	b.ResetTimer()
+	for n := 0; n < b.N; n++ {
+		c.SendBytes(body)
+	}
+	utils.AssertEqual(b, []byte("Hello, world!"), c.Fasthttp.Response.Body())
+}