Cookies: Ability to set custom cookie encoders to encode the cookie's value before sent by ctx.SetCookie and ctx.SetCookieKV and cookie decoders to decode the cookie's value when retrieving from ctx.GetCookie. That was the second and final part relative to a community's question at: https://github.com/kataras/iris/issues/1018

Former-commit-id: 53b6810076c8db8646df335d57a30c78b23cd9b8

_examples/cookies/securecookie/main_test.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/kataras/iris/httptest"
+)
+
+func TestCookiesBasic(t *testing.T) {
+	app := newApp()
+	e := httptest.New(t, app, httptest.URL("http://example.com"))
+
+	cookieName, cookieValue := "my_cookie_name", "my_cookie_value"
+
+	// Test Set A Cookie.
+	t1 := e.GET(fmt.Sprintf("/cookies/%s/%s", cookieName, cookieValue)).Expect().Status(httptest.StatusOK)
+	// note that this will not work because it doesn't always returns the same value:
+	// cookieValueEncoded, _ := sc.Encode(cookieName, cookieValue)
+	t1.Cookie(cookieName).Value().NotEqual(cookieValue) // validate cookie's existence and value is not on its raw form.
+	t1.Body().Contains(cookieValue)
+
+	// Test Retrieve A Cookie.
+	t2 := e.GET(fmt.Sprintf("/cookies/%s", cookieName)).Expect().Status(httptest.StatusOK)
+	t2.Body().Equal(cookieValue)
+
+	// Test Remove A Cookie.
+	t3 := e.DELETE(fmt.Sprintf("/cookies/%s", cookieName)).Expect().Status(httptest.StatusOK)
+	t3.Body().Contains(cookieName)
+
+	t4 := e.GET(fmt.Sprintf("/cookies/%s", cookieName)).Expect().Status(httptest.StatusOK)
+	t4.Cookies().Empty()
+	t4.Body().Empty()
+}