web init and api signature check test case passed

server.go

@@ -106,7 +106,7 @@ func webrootHandler(w http.ResponseWriter, r *http.Request) {
 	rq := r.URL.RawQuery
 	m, _ := url.ParseQuery(rq)
 	for index, element := range m {
-		fmt.Fprintf(w, "\r\n%s => %s", index, element)
+		fmt.Fprintf(w, "\n%s => %s", index, element)
 	}
 	logRequestDebug(httputil.DumpRequest(r, true))
 

server_test.go

@@ -1,6 +1,8 @@
 package main
 
 import (
+	"fmt"
+	"log"
 	"net/http"
 	"net/http/httptest"
 	"testing"
@@ -8,35 +10,108 @@ import (
 
 //when we setup wechate parameters,we chat will verify us
 func TestInitialSetup(t *testing.T) {
+
 	SetupConfig()
+
+	req := buildReqWechatAPISetup()
+
+	rr, _ := getHTTPResponse(req, answerInitialAuth)
+
+	// Check the response body is what we expect.
+	expected := `913461463450840893`
+	if rr.Body.String() != expected {
+		t.Errorf("handler returned unexpected body: got %v want %v",
+			rr.Body.String(), expected)
+	}
 }
 
 func TestWebRootHandler(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", "/dummydir", nil)
-	if err != nil {
-		t.Fatal(err)
+	SetupConfig()
+	req := buildReqWechatWebRoot()
+	rr, _ := getHTTPResponse(req, webrootHandler)
+
+	// Check the response body is what we expect.
+	expected := `Hi there, I love dummydir!
+echostr => [913461463450840893]
+signature => [e39de9f2e28079c01ebb4b803dfc3442b819545c]`
+
+	if rr.Body.String() != expected {
+		t.Errorf("handler returned unexpected body: got %v want %v",
+			rr.Body.String(), expected)
 	}
 
-	// We create a ResponseRecorder (which satisfies http.ResponseWriter) to record the response.
-	rr := httptest.NewRecorder()
-	handler := http.HandlerFunc(webrootHandler)
+}
+
+func getHTTPResponse(req *http.Request, handler http.HandlerFunc) (rr *httptest.ResponseRecorder, err error) {
 
 	// Our handlers satisfy http.Handler, so we can call their ServeHTTP method
 	// directly and pass in our Request and ResponseRecorder.
+	rr = httptest.NewRecorder()
+
 	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",
+		err = fmt.Errorf("wrong HTTP status code: got %v want %v",
 			status, http.StatusOK)
 	}
+	return
+}
 
-	// Check the response body is what we expect.
-	expected := `Hi there, I love dummydir!`
-	if rr.Body.String() != expected {
-		t.Errorf("handler returned unexpected body: got %v want %v",
-			rr.Body.String(), expected)
+func buildReqWechatWebRoot() *http.Request {
+	req, _ := http.NewRequest("GET", "/dummydir", nil)
+	buildReqCommonHeader(req)
+	q := req.URL.Query()
+	q.Add("signature", "e39de9f2e28079c01ebb4b803dfc3442b819545c")
+	q.Add("echostr", "913461463450840893")
+	req.URL.RawQuery = q.Encode()
+	return req
+}
+
+func buildReqWechatAPISetup() *http.Request {
+	// Create a request to pass to our handler.
+	//We don't have any query body for now, so we'll
+	// pass 'nil' as the third parameter.
+	req, err := http.NewRequest("GET", "/apii", nil)
+	if err != nil {
+		log.Fatal(err)
 	}
+
+	q := req.URL.Query()
+	q.Add("signature", "e39de9f2e28079c01ebb4b803dfc3442b819545c")
+	q.Add("echostr", "913461463450840893")
+	q.Add("timestamp", "1492970761")
+	q.Add("nonce", "1850971833")
+	req.URL.RawQuery = q.Encode()
+
+	buildReqCommonHeader(req)
+	return req
+}
+
+func buildReqCommonHeader(r *http.Request) {
+	//
+	// example request
+	//
+	// GET /api?signature=e39de9f2e28079c01ebb4b803dfc3442b819545c&echostr=913461463450840893&timestamp=1492970761&nonce=1850971833 HTTP/1.1
+	// Host: wechat.hitxy.org.au
+	// Accept: */*
+	// Cache-Control: no-cache
+	// Connection: Keep-Alive
+	// Pragma: no-cache
+	// User-Agent: Mozilla/4.0
+	// X-Forwarded-For: 103.7.30.107
+	// X-Forwarded-Host: wechat.hitxy.org.au
+	// X-Forwarded-Server: wechat.hitxy.org.au
+
+	h := r.Header
+	h.Set("Host", "wechat.hitxy.org.au")
+	h.Set("Accept", "*/*")
+	h.Set("Cache-Control", "no-cache")
+	h.Set("Connection", "Keep-Alive")
+	h.Set("Pragma", "no-cache")
+	h.Set("User-Agent", "Patrick testcase")
+	h.Set("X-Forwarded-For", "103.7.30.107")
+	h.Set("X-Forwarded-Host", "wechat.hitxy.org.au")
+	h.Set("X-Forwarded-Server", "wechat.hitxy.org.au")
+
 }