add test

binder_test.go

@@ -0,0 +1,32 @@
+package fiber
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+	"github.com/valyala/fasthttp"
+)
+
+func Test_Binder(t *testing.T) {
+	t.Parallel()
+	app := New()
+
+	ctx := app.NewCtx(&fasthttp.RequestCtx{}).(*DefaultCtx)
+	ctx.values = [maxParams]string{"id string"}
+	ctx.route = &Route{Params: []string{"id"}}
+	ctx.Request().SetBody([]byte(`{"name": "john doe"}`))
+	ctx.Request().Header.Set("content-type", "application/json")
+
+	var req struct {
+		ID string `param:"id"`
+	}
+
+	var body struct {
+		Name string `json:"name"`
+	}
+
+	err := ctx.Bind().Req(&req).JSON(&body).Err()
+	require.NoError(t, err)
+	require.Equal(t, "id string", req.ID)
+	require.Equal(t, "john doe", body.Name)
+}