不扯淡，一个简化后的httptest库

概述先不提本库，给个用net/http/httptest库写通用handler测试的方法(来源)： package handlersimport ( "net/http" "net/http/httptest" "testing")func TestHealthCheckHandler(t *testing.T) { // Create a request t

先不提本库，给个用net/http/httptest库写通用handler测试的方法(来源)：

package handlersimport (    "net/http"    "net/http/httptest"    "testing")func TestHealthCheckHandler(t *testing.T) {    // Create a request to pass to our handler. We don't have any query parameters for Now,so we'll    // pass 'nil' as the third parameter.    req,err := http.NewRequest("GET","/health-check",nil)    if err != nil {        t.Fatal(err)    }    // We create a ResponseRecorder (which satisfIEs http.ResponseWriter) to record the response.    rr := httptest.NewRecorder()    handler := http.HandlerFunc(HealthCheckHandler)    // Our handlers satisfy http.Handler,so we can call their Servehttp method     // directly and pass in our Request and ResponseRecorder.    handler.Servehttp(rr,req)    // Check the status code is what we expect.    if status := rr.Code; status != http.StatusOK {        t.Errorf("handler returned wrong status code: got %v want %v",status,http.StatusOK)    }    // Check the response body is what we expect.    expected := `{"alive": true}`    if rr.Body.String() != expected {        t.Errorf("handler returned unexpected body: got %v want %v",rr.Body.String(),expected)    }}

很简单，测试一个方法至少要那么多行代码，还只是简单的get请求，至于请求是否加参数，加什么参数，就成了另一个更大的问题。

本库用法

//一个永远返回400的测试handlerfunc badHandler(w http.ResponseWriter,r *http.Request) {    http.Error(w,"not a regular name or password",http.StatusBadRequest)}//测试这个handler是否返回400New("/bad",badHandler,t).Do().CheckCode(http.StatusBadRequest)//测试他是不是返回200（当然会测试失败）New("/ok",t).Do().CheckCode(http.StatusOK)//带着header测试New("/",t).Post().AddParams("name","value1").AddParams("nam22","value3").Do()//带着cookie测试，并且判断结果是否包含字符串。New("/",cookieHandler,t).Get().Addcookies(cookie).Do().BodyContains("testcookievalue")//获取 *http.ResponseRecorder,然后自己测试rr = New("/dump",headerHandler,"value1").Do().ResponseRecorder()//给请求加参数，不写默认是GET请求New("/ok",t).AddParams("a","aa").AddParams("b","bb").Do().CheckCode(http.StatusOK)//http basic auth:New("/bad",t).SetBasicAuth(username,password).Do().CheckCode(http.StatusBadRequest)//自己定制 http.Request:New("/bad",t).SetRequest(req).Do().CheckCode(http.StatusBadRequest)//And more in test file and source code.

必须有 .Do()，才能进行请求，不然不会请求。
Check *** 作要在.Do()后，初始化 *** 作要在.Do()之前。

其他

库地址：https://github.com/qiuker521/...

后续会增加Json测试功能。

总结

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