htest is a http-test package

Table of Contents

• Basic Usage
  • Test MockServer
    • Test HandlerFunc
    • To ServeMux
    • To Echo
  • Test RealServer
    • Github API
• Client
  • Set MockServer
    • HandlerFunc
    • Handler
  • Construct Request
    • Http Methods
• Request
  • Set Headers
  • Add Cookie
  • Test
  • Send
  • As http.Request
• Response
  • Assert StatusCode
    • Code
    • StatusXXX
  • Assert Headers
    • Headers
    • HeaderXXX
  • Assert Body
  • Get Body
    • Body Types
  • As http.Response
• Body
  • JSON
  • XML
  • MD5
  • SHA1
• Appendix

Basic Usage

---

Test MockServer

Test a Handler or a HandlerFunc

Test HandlerFunc

// example/basic_mock_client.go
package myapp

import (
	"io"
	"net/http"
)

func NameHandler(w http.ResponseWriter, req *http.Request) {
	io.WriteString(w, `{"name": "hexi"}`)
}

// example/basic_mock_client_test.go
package myapp

import (
	"testing"
	"github.com/Hexilee/htest"
)

func TestNameHandlerFunc(t *testing.T) {
	htest.NewClient(t).
		ToFunc(NameHandler).
		Get("").
		Test().
		StatusOK().
		JSON().
		String("name", "hexi")
}

You can also test handler (*http.ServeMux, *echo.Echo .etc.)

To ServeMux

// example/basic_mock_client.go
package myapp

import (
	"io"
	"net/http"
)

var (
	Mux *http.ServeMux
)

func init() {
	Mux = http.NewServeMux()
	Mux.HandleFunc("/name", NameHandler)
}

func NameHandler(w http.ResponseWriter, req *http.Request) {
	io.WriteString(w, `{"name": "hexi"}`)
}

// example/basic_mock_client_test.go
package myapp

import (
	"testing"
	"github.com/Hexilee/htest"
)

func TestNameHandler(t *testing.T) {
	htest.NewClient(t).
		To(Mux).
		Get("/name").
		Test().
		StatusOK().
		JSON().
		String("name", "hexi")
}

To Echo

// example/basic_mock_client.go
package myapp

import (
	"io"
	"github.com/labstack/echo"
)

var (
	server *echo.Echo
)

func init() {
	server = echo.New()
	server.GET("/name", NameHandlerEcho)
}

func NameHandlerEcho(c echo.Context) error {
	return c.String(http.StatusOK, `{"name": "hexi"}`)
}

// example/basic_mock_client_test.go
package myapp

import (
	"testing"
	"github.com/Hexilee/htest"
)

func TestNameHandlerEcho(t *testing.T) {
	htest.NewClient(t).
		To(server).
		Get("/name").
		Test().
		StatusOK().
		JSON().
		String("name", "hexi")
}

Test RealServer

Send a http request and test the response

Github API

// request_test.go
func TestRequest_Send(t *testing.T) {
	NewClient(t).
		Get("https://api.github.com/users/Hexilee").
		Send().
		StatusOK().
		JSON().
		String("login", "Hexilee")
}

Client

---

Set MockServer

Set mock server to be tested (Do not need it when you test real server)

HandlerFunc

Set a HandlerFunc as mock server

// example/basic_mock_client_test.go
package myapp

import (
	"testing"
	"github.com/Hexilee/htest"
)

func TestNameHandlerFunc(t *testing.T) {
	htest.NewClient(t).
		ToFunc(NameHandler).
		Get("").
		Test().
		StatusOK().
		JSON().
		String("name", "hexi")
}

Handler

Set a Handler as mock server

// example/basic_mock_client_test.go
package myapp

import (
	"testing"
	"github.com/Hexilee/htest"
)

func TestNameHandler(t *testing.T) {
	htest.NewClient(t).
		To(Mux).
		Get("/name").
		Test().
		StatusOK().
		JSON().
		String("name", "hexi")
}

Construct Request

Construct htest.Request using different http methods

Http Methods

For example

• Get

// client.go
func (c Client) Get(path string) *Request

More

• Head
• Trace
• Options
• Connect
• Delete
• Post
• Put
• Patch

Request

---

Set Headers

Set headers and return *Request for chaining-call

• SetHeader

// server_test.go

Mux.Get("/request/header", HeaderHandler)

// request_test.go

func HeaderHandler(w http.ResponseWriter, req *http.Request) {
	if req.Header.Get(HeaderContentType) == MIMEApplicationJSON {
		io.WriteString(w, `{"result": "JSON"}`)
		return
	}
	http.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest)
}

func TestRequest_SetHeader(t *testing.T) {
	client := NewClient(t).To(Mux)
	// bad content type
	client.
		Get("/request/header").
		SetHeader(HeaderContentType, MIMEApplicationForm).
		Test().
		StatusBadRequest()

	// right
	client.
		Get("/request/header").
		SetHeader(HeaderContentType, MIMEApplicationJSON).
		Test().
		StatusOK().
		JSON().
		String("result", "JSON")
}

HeaderContentType, MIMEApplicationForm are constants in const.go For more information, you can refer to Appendix

• SetHeaders

// request_test.go

func TestRequest_SetHeaders(t *testing.T) {
	client := NewClient(t).To(Mux)
	// bad content type
	client.Get("/request/header").
		SetHeaders(
			map[string]string{
				HeaderContentType: MIMEApplicationForm,
			},
		).
		Test().
		StatusBadRequest()

	// right
	client.Get("/request/header").
		SetHeaders(
			map[string]string{
				HeaderContentType: MIMEApplicationJSON,
			},
		).
		Test().
		StatusOK().
		JSON().
		String("result", "JSON")
}

Add Cookie

Add cookie and return *Request for chaining-call

// server_test.go

Mux.Get("/request/cookie", CookieHandler)

// request_test.go

var (
	testCookie = http.Cookie{Name: "test_cookie", Value: "cookie_value"}
)

func CookieHandler(w http.ResponseWriter, req *http.Request) {
	cookie, err := req.Cookie(testCookie.Name)
	if err != nil {
		http.Error(w, http.StatusText(http.StatusForbidden), http.StatusForbidden)
		return
	}
	io.WriteString(w, fmt.Sprintf(`{"cookie": "%s"}`, cookie))
}


func TestRequest_AddCookie(t *testing.T) {
	client := NewClient(t).
		To(Mux)
	client.
		Get("/request/cookie").
		Test().
		StatusForbidden()
	client.
		Get("/request/cookie").
		AddCookie(&testCookie).
		Test().
		StatusOK().
		JSON().
		String("cookie", testCookie.String())
}

Test

Calling *Request.Test will test the mock server You must have called Client.To or Client.ToFunc, otherwise causing a panic (htest.MockNilError)

Send

As http.Request

Response

---

Assert StatusCode

Code

StatusXXX

Assert Headers

Headers

HeaderXXX

Assert Body

Get Body

Body Types

As http.Response

Body

JSON

XML

MD5

SHA1

Appendix