Added support for io.ReadAll on requests

Request_test.go

@@ -2,6 +2,8 @@ package web_test
 
 import (
 	"fmt"
+	"io"
+	"strconv"
 	"strings"
 	"testing"
 
@@ -30,19 +32,39 @@ func TestRequestBody(t *testing.T) {
 	s := web.NewServer()
 
 	s.Get("/", func(ctx web.Context) error {
-		body := make([]byte, 4096)
-		n, err := ctx.Request().Read(body)
+		body, err := io.ReadAll(ctx.Request())
 
 		if err != nil {
 			return err
 		}
 
-		return ctx.Bytes(body[:n])
+		return ctx.Bytes(body)
 	})
 
-	response := s.Request("GET", "/", nil, strings.NewReader("Hello"))
+	body := strings.Repeat("Hello", 1000)
+	headers := []web.Header{{Key: "Content-Length", Value: strconv.Itoa(len(body))}}
+	response := s.Request("GET", "/", headers, strings.NewReader(body))
 	assert.Equal(t, response.Status(), 200)
-	assert.Equal(t, string(response.Body()), "Hello")
+	assert.Equal(t, string(response.Body()), body)
+}
+
+func TestRequestBodyMissingLength(t *testing.T) {
+	s := web.NewServer()
+
+	s.Get("/", func(ctx web.Context) error {
+		body, err := io.ReadAll(ctx.Request())
+
+		if err != nil {
+			return err
+		}
+
+		return ctx.Bytes(body)
+	})
+
+	body := strings.Repeat("Hello", 1000)
+	response := s.Request("GET", "/", nil, strings.NewReader(body))
+	assert.Equal(t, response.Status(), 200)
+	assert.Equal(t, string(response.Body()), "")
 }
 
 func TestRequestHeader(t *testing.T) {