feat: WithJSONString

Author: podhmo

client.go

@@ -1,6 +1,7 @@
 package webtest
 
 import (
+	"bytes"
 	"io"
 	"net/http"
 	"net/http/httptest"
@@ -206,6 +207,11 @@ func WithJSON(body io.Reader) Option {
 	})
 }
 
+// WithJSONString setup as json request
+func WithJSONString(body string) Option {
+	return WithJSON(bytes.NewBufferString(body))
+}
+
 // WithModifyRequest adds request modifyRequest
 func WithModifyRequest(modifyRequest func(*http.Request)) Option {
 	return optionFunc(func(c *Config) {

integration_test.go

@@ -73,7 +73,7 @@ func TestHandler(t *testing.T) {
 		c := webtest.NewClientFromHandler(http.HandlerFunc(Add))
 		var want interface{}
 		got, err := c.Post("/",
-			webtest.WithJSON(bytes.NewBufferString(`{"values": [1,2,3]}`)),
+			webtest.WithJSONString(`{"values": [1,2,3]}`),
 			webtest.WithTripperware(
 				tripperware.ExpectCode(t, 200),
 				tripperware.GetExpectedDataFromSnapshot(t, &want),
@@ -102,7 +102,7 @@ func TestHandler(t *testing.T) {
 			},
 		}.With(t, c,
 			"POST", "/",
-			webtest.WithJSON(bytes.NewBufferString(`{"values": [1,2,3]}`)),
+			webtest.WithJSONString(`{"values": [1,2,3]}`),
 		)
 	})
 }