Added urlext.TestEncodeToURLValues helper (#5)

Author: Dean Karn

README.md

@@ -1,5 +1,5 @@
 # pkg
-![Project status](https://img.shields.io/badge/version-5.0.0-green.svg)
+![Project status](https://img.shields.io/badge/version-5.1.0-green.svg)
 [![Build Status](https://travis-ci.org/go-playground/pkg.svg?branch=master)](https://travis-ci.org/go-playground/pkg)
 [![Coverage Status](https://coveralls.io/repos/github/go-playground/pkg/badge.svg?branch=master)](https://coveralls.io/github/go-playground/pkg?branch=master)
 [![GoDoc](https://godoc.org/github.com/go-playground/pkg?status.svg)](https://pkg.go.dev/mod/github.com/go-playground/pkg/v5)

net/http/form.go

@@ -11,7 +11,15 @@ type FormDecoder interface {
 	Decode(interface{}, url.Values) error
 }
 
+// FormEncoder is the type used for encoding form data
+type FormEncoder interface {
+	Encode(interface{}) (url.Values, error)
+}
+
 var (
 	// DefaultFormDecoder of this package, which is configurable
 	DefaultFormDecoder FormDecoder = form.NewDecoder()
+
+	// DefaultFormEncoder of this package, which is configurable
+	DefaultFormEncoder FormEncoder = form.NewEncoder()
 )

net/url/helpers.go

@@ -0,0 +1,12 @@
+package urlext
+
+import (
+	"net/url"
+
+	httpext "github.com/go-playground/pkg/v5/net/http"
+)
+
+// EncodeToURLValues encodes a struct or field into a set of url.Values
+func EncodeToURLValues(v interface{}) (url.Values, error) {
+	return httpext.DefaultFormEncoder.Encode(v)
+}

net/url/helpers_test.go

@@ -0,0 +1,20 @@
+package urlext
+
+import (
+	"testing"
+
+	. "github.com/go-playground/assert/v2"
+)
+
+func TestEncodeToURLValues(t *testing.T) {
+	type Test struct {
+		Domain string `form:"domain"`
+		Next   string `form:"next"`
+	}
+
+	s := Test{Domain: "company.org", Next: "NIDEJ89#(@#NWJK"}
+	values, err := EncodeToURLValues(s)
+	Equal(t, err, nil)
+	Equal(t, len(values), 2)
+	Equal(t, values.Encode(), "domain=company.org&next=NIDEJ89%23%28%40%23NWJK")
+}