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Gofight

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API Handler Testing for Golang Web framework.

Support Framework

Install

Download this package.

go get github.com/appleboy/gofight/v2

To import this package, add the following line to your code:

import "github.com/appleboy/gofight/v2"

Usage

The following is basic testing example.

Main Program:

package main

import (
  "io"
  "net/http"
)

func BasicHelloHandler(w http.ResponseWriter, r *http.Request) {
  io.WriteString(w, "Hello World")
}

func BasicEngine() http.Handler {
  mux := http.NewServeMux()
  mux.HandleFunc("/", BasicHelloHandler)

  return mux
}

Testing:

package main

import (
  "net/http"
  "testing"

  "github.com/appleboy/gofight/v2"
  "github.com/stretchr/testify/assert"
)

func TestBasicHelloWorld(t *testing.T) {
  r := gofight.New()

  r.GET("/").
    // turn on the debug mode.
    SetDebug(true).
    Run(BasicEngine(), func(r gofight.HTTPResponse, rq gofight.HTTPRequest) {

      assert.Equal(t, "Hello World", r.Body.String())
      assert.Equal(t, http.StatusOK, r.Code)
    })
}

Set Header

You can add custom header via SetHeader func.

func TestBasicHelloWorld(t *testing.T) {
  r := gofight.New()
  version := "0.0.1"

  r.GET("/").
    // turn on the debug mode.
    SetDebug(true).
    SetHeader(gofight.H{
      "X-Version": version,
    }).
    Run(BasicEngine(), func(r gofight.HTTPResponse, rq gofight.HTTPRequest) {

      assert.Equal(t, version, rq.Header.Get("X-Version"))
      assert.Equal(t, "Hello World", r.Body.String())
      assert.Equal(t, http.StatusOK, r.Code)
    })
}

POST FORM Data

Using SetForm to generate form data.

func TestPostFormData(t *testing.T) {
  r := gofight.New()

  r.POST("/form").
    SetForm(gofight.H{
      "a": "1",
      "b": "2",
    }).
    Run(BasicEngine(), func(r HTTPResponse, rq HTTPRequest) {
      data := []byte(r.Body.String())

      a, _ := jsonparser.GetString(data, "a")
      b, _ := jsonparser.GetString(data, "b")

      assert.Equal(t, "1", a)
      assert.Equal(t, "2", b)
      assert.Equal(t, http.StatusOK, r.Code)
    })
}

POST JSON Data

Using SetJSON to generate JSON data.

func TestPostJSONData(t *testing.T) {
  r := gofight.New()

  r.POST("/json").
    SetJSON(gofight.D{
      "a": 1,
      "b": 2,
    }).
    Run(BasicEngine, func(r HTTPResponse, rq HTTPRequest) {
      data := []byte(r.Body.String())

      a, _ := jsonparser.GetInt(data, "a")
      b, _ := jsonparser.GetInt(data, "b")

      assert.Equal(t, 1, int(a))
      assert.Equal(t, 2, int(b))
      assert.Equal(t, http.StatusOK, r.Code)
      assert.Equal(t, "application/json; charset=utf-8", r.HeaderMap.Get("Content-Type"))
    })
}

POST RAW Data

Using SetBody to generate raw data.

func TestPostRawData(t *testing.T) {
  r := gofight.New()

  r.POST("/raw").
    SetBody("a=1&b=1").
    Run(BasicEngine, func(r HTTPResponse, rq HTTPRequest) {
      data := []byte(r.Body.String())

      a, _ := jsonparser.GetString(data, "a")
      b, _ := jsonparser.GetString(data, "b")

      assert.Equal(t, "1", a)
      assert.Equal(t, "2", b)
      assert.Equal(t, http.StatusOK, r.Code)
    })
}

Set Query String

Using SetQuery to generate raw data.

func TestQueryString(t *testing.T) {
  r := gofight.New()

  r.GET("/hello").
    SetQuery(gofight.H{
      "a": "1",
      "b": "2",
    }).
    Run(BasicEngine, func(r HTTPResponse, rq HTTPRequest) {
      assert.Equal(t, http.StatusOK, r.Code)
    })
}

or append exist query parameter.

func TestQueryString(t *testing.T) {
  r := gofight.New()

  r.GET("/hello?foo=bar").
    SetQuery(gofight.H{
      "a": "1",
      "b": "2",
    }).
    Run(BasicEngine, func(r HTTPResponse, rq HTTPRequest) {
      assert.Equal(t, http.StatusOK, r.Code)
    })
}

Set Cookie String

Using SetCookie to generate raw data.

func TestQueryString(t *testing.T) {
  r := gofight.New()

  r.GET("/hello").
    SetCookie(gofight.H{
      "foo": "bar",
    }).
    Run(BasicEngine, func(r HTTPResponse, rq HTTPRequest) {
      assert.Equal(t, http.StatusOK, r.Code)
      assert.Equal(t, "foo=bar", rq.Header.Get("cookie"))
    })
}

Set JSON Struct

type User struct {
  // Username user name
  Username string `json:"username"`
  // Password account password
  Password string `json:"password"`
}

func TestSetJSONInterface(t *testing.T) {
  r := New()

  r.POST("/user").
    SetJSONInterface(User{
      Username: "foo",
      Password: "bar",
    }).
    Run(framework.GinEngine(), func(r HTTPResponse, rq HTTPRequest) {
      data := []byte(r.Body.String())

      username := gjson.GetBytes(data, "username")
      password := gjson.GetBytes(data, "password")

      assert.Equal(t, "foo", username.String())
      assert.Equal(t, "bar", password.String())
      assert.Equal(t, http.StatusOK, r.Code)
      assert.Equal(t, "application/json; charset=utf-8", r.HeaderMap.Get("Content-Type"))
    })
}

Upload multiple file with absolute path and parameter

The following is route using gin

func gintFileUploadHandler(c *gin.Context) {
  ip := c.ClientIP()
  hello, err := c.FormFile("hello")
  if err != nil {
    c.JSON(http.StatusBadRequest, gin.H{
      "error": err.Error(),
    })
    return
  }

  helloFile, _ := hello.Open()
  helloBytes := make([]byte, 6)
  helloFile.Read(helloBytes)

  world, err := c.FormFile("world")
  if err != nil {
    c.JSON(http.StatusBadRequest, gin.H{
      "error": err.Error(),
    })
    return
  }

  worldFile, _ := world.Open()
  worldBytes := make([]byte, 6)
  worldFile.Read(worldBytes)

  foo := c.PostForm("foo")
  bar := c.PostForm("bar")
  c.JSON(http.StatusOK, gin.H{
    "hello":     hello.Filename,
    "world":     world.Filename,
    "foo":       foo,
    "bar":       bar,
    "ip":        ip,
    "helloSize": string(helloBytes),
    "worldSize": string(worldBytes),
  })
}

Write the testing:

func TestUploadFile(t *testing.T) {
  r := New()

  r.POST("/upload").
    SetDebug(true).
    SetFileFromPath([]UploadFile{
      {
        Path: "./testdata/hello.txt",
        Name: "hello",
      },
      {
        Path: "./testdata/world.txt",
        Name: "world",
      },
    }, H{
      "foo": "bar",
      "bar": "foo",
    }).
    Run(framework.GinEngine(), func(r HTTPResponse, rq HTTPRequest) {
      data := []byte(r.Body.String())

      hello := gjson.GetBytes(data, "hello")
      world := gjson.GetBytes(data, "world")
      foo := gjson.GetBytes(data, "foo")
      bar := gjson.GetBytes(data, "bar")
      ip := gjson.GetBytes(data, "ip")
      helloSize := gjson.GetBytes(data, "helloSize")
      worldSize := gjson.GetBytes(data, "worldSize")

      assert.Equal(t, "world\n", helloSize.String())
      assert.Equal(t, "hello\n", worldSize.String())
      assert.Equal(t, "hello.txt", hello.String())
      assert.Equal(t, "world.txt", world.String())
      assert.Equal(t, "bar", foo.String())
      assert.Equal(t, "foo", bar.String())
      assert.Equal(t, "", ip.String())
      assert.Equal(t, http.StatusOK, r.Code)
      assert.Equal(t, "application/json; charset=utf-8", r.HeaderMap.Get("Content-Type"))
    })
}

Upload multiple file with content []byte path and parameter

func TestUploadFileByContent(t *testing.T) {
  r := New()

  helloContent, err := ioutil.ReadFile("./testdata/hello.txt")
  if err != nil {
    log.Fatal(err)
  }

  worldContent, err := ioutil.ReadFile("./testdata/world.txt")
  if err != nil {
    log.Fatal(err)
  }

  r.POST("/upload").
    SetDebug(true).
    SetFileFromPath([]UploadFile{
      {
        Path:    "hello.txt",
        Name:    "hello",
        Content: helloContent,
      },
      {
        Path:    "world.txt",
        Name:    "world",
        Content: worldContent,
      },
    }, H{
      "foo": "bar",
      "bar": "foo",
    }).
    Run(framework.GinEngine(), func(r HTTPResponse, rq HTTPRequest) {
      data := []byte(r.Body.String())

      hello := gjson.GetBytes(data, "hello")
      world := gjson.GetBytes(data, "world")
      foo := gjson.GetBytes(data, "foo")
      bar := gjson.GetBytes(data, "bar")
      ip := gjson.GetBytes(data, "ip")
      helloSize := gjson.GetBytes(data, "helloSize")
      worldSize := gjson.GetBytes(data, "worldSize")

      assert.Equal(t, "world\n", helloSize.String())
      assert.Equal(t, "hello\n", worldSize.String())
      assert.Equal(t, "hello.txt", hello.String())
      assert.Equal(t, "world.txt", world.String())
      assert.Equal(t, "bar", foo.String())
      assert.Equal(t, "foo", bar.String())
      assert.Equal(t, "", ip.String())
      assert.Equal(t, http.StatusOK, r.Code)
      assert.Equal(t, "application/json; charset=utf-8", r.HeaderMap.Get("Content-Type"))
    })
}

Example

License

Copyright 2019 Bo-Yi Wu @appleboy.

Licensed under the MIT License.