fix http empty url

http/http_test.go

@@ -14,9 +14,10 @@ func TestGet(t *testing.T) {
 		fmt.Printf("http 接收 %s %s\n", req.SuperAgent.Method, req.SuperAgent.Url)
 		return res
 	}).Timeout(time.Second * 10).
-		BaseURL("https://api.github.com")
+		BaseURL("https://api.github.com").
+		BaseURL("/repos")
 
-	res, err := http.Get("/repos/eyasliu/blog/issues", map[string]interface{}{
+	res, err := http.Get("/eyasliu/blog/issues", map[string]interface{}{
 		"per_page": 1,
 	})
 	if err != nil {
@@ -44,6 +45,13 @@ func TestError(t *testing.T) {
 		panic("should get 404 error")
 	}
 
+	res, err = Get("", nil)
+	if err != nil {
+		t.Logf("success empty url, statusCode=%d body=%s error=%s", res.Status(), res.String(), err.Error())
+	} else {
+		panic("should error")
+	}
+
 }
 
 // func TestProxy(t *testing.T) {

http/request.go

@@ -1,6 +1,7 @@
 package http
 
 import (
+	"errors"
 	"fmt"
 	"net/http"
 	"strings"
@@ -88,17 +89,25 @@ func (r Request) UseResponse(mdl responseMidlewareHandler) *Request {
 
 // BaseURL 设置url前缀
 func (r Request) BaseURL(url string) *Request {
-	r.baseURL = url
+	r.baseURL += url
 	return &r
 }
 
 // Do 发出请求，method 请求方法，url 请求地址， query 查询参数，body 请求数据，file 文件对象/地址
 func (r Request) Do(method, url string, query, body, file interface{}) (*Response, error) {
 
 	// set mthod url
-	// r.SuperAgent = r.SuperAgent.CustomMethod(method, r.baseURL+url)
+	if method == "" || url == "" {
+		return &Response{
+			Request: &r,
+			Raw:     nil,
+			Body:    []byte{},
+			Errs:    []error{errors.New("url is empty")},
+		}, fmt.Errorf("http url can't empty")
+	}
+	r.SuperAgent = r.SuperAgent.CustomMethod(method, r.baseURL+url)
 	r.SuperAgent.Method = strings.ToUpper(method)
-	r.SuperAgent.Url = url
+	r.SuperAgent.Url = r.baseURL + url
 	r.SuperAgent.Errors = nil
 
 	// set query string

http/response.go

@@ -72,17 +72,26 @@ func (r *Response) Byte() []byte {
 
 // Status 获取响应状态码
 func (r *Response) Status() int {
-	return r.Raw.StatusCode
+	if r.Raw != nil {
+		return r.Raw.StatusCode
+	}
+	return 0
 }
 
 // Header 获取响应header
 func (r *Response) Header() http.Header {
-	return r.Raw.Header
+	if r.Raw != nil {
+		return r.Raw.Header
+	}
+	return nil
 }
 
 // Cookies 获取响应 cookie
 func (r *Response) Cookies() []*http.Cookie {
-	return r.Raw.Cookies()
+	if r.Raw != nil {
+		return r.Raw.Cookies()
+	}
+	return nil
 }
 
 // IsError 是否响应错误