more e2e test cases (#2450)

test/e2e/pkg/request/request.go

@@ -1,26 +1,44 @@
 package request
 
 import (
+	"bytes"
 	"fmt"
+	"io"
+	"io/ioutil"
 	"net"
+	"net/http"
+	"net/url"
+	"strconv"
 	"time"
 
 	libnet "github.com/fatedier/golib/net"
 )
 
 type Request struct {
-	protocol  string
-	addr      string
-	port      int
-	body      []byte
-	timeout   time.Duration
-	proxyURL  string
-	proxyHost string
+	protocol string
+
+	// for all protocol
+	addr    string
+	port    int
+	body    []byte
+	timeout time.Duration
+
+	// for http
+	method  string
+	host    string
+	path    string
+	headers map[string]string
+
+	proxyURL string
 }
 
 func New() *Request {
 	return &Request{
 		protocol: "tcp",
+		addr:     "127.0.0.1",
+
+		method: "GET",
+		path:   "/",
 	}
 }
 
@@ -39,9 +57,13 @@ func (r *Request) UDP() *Request {
 	return r
 }
 
-func (r *Request) Proxy(url, host string) *Request {
+func (r *Request) HTTP() *Request {
+	r.protocol = "http"
+	return r
+}
+
+func (r *Request) Proxy(url string) *Request {
 	r.proxyURL = url
-	r.proxyHost = host
 	return r
 }
 
@@ -55,6 +77,29 @@ func (r *Request) Port(port int) *Request {
 	return r
 }
 
+func (r *Request) HTTPParams(method, host, path string, headers map[string]string) *Request {
+	r.method = method
+	r.host = host
+	r.path = path
+	r.headers = headers
+	return r
+}
+
+func (r *Request) HTTPHost(host string) *Request {
+	r.host = host
+	return r
+}
+
+func (r *Request) HTTPPath(path string) *Request {
+	r.path = path
+	return r
+}
+
+func (r *Request) HTTPHeaders(headers map[string]string) *Request {
+	r.headers = headers
+	return r
+}
+
 func (r *Request) Timeout(timeout time.Duration) *Request {
 	r.timeout = timeout
 	return r
@@ -65,28 +110,34 @@ func (r *Request) Body(content []byte) *Request {
 	return r
 }
 
-func (r *Request) Do() ([]byte, error) {
+func (r *Request) Do() (*Response, error) {
 	var (
 		conn net.Conn
 		err  error
 	)
+
+	addr := net.JoinHostPort(r.addr, strconv.Itoa(r.port))
+	// for protocol http
+	if r.protocol == "http" {
+		return sendHTTPRequest(r.method, fmt.Sprintf("http://%s%s", addr, r.path),
+			r.host, r.headers, r.proxyURL, r.body)
+	}
+
+	// for protocol tcp and udp
 	if len(r.proxyURL) > 0 {
 		if r.protocol != "tcp" {
 			return nil, fmt.Errorf("only tcp protocol is allowed for proxy")
 		}
-		conn, err = libnet.DialTcpByProxy(r.proxyURL, r.proxyHost)
+		conn, err = libnet.DialTcpByProxy(r.proxyURL, addr)
 		if err != nil {
 			return nil, err
 		}
 	} else {
-		if r.addr == "" {
-			r.addr = fmt.Sprintf("127.0.0.1:%d", r.port)
-		}
 		switch r.protocol {
 		case "tcp":
-			conn, err = net.Dial("tcp", r.addr)
+			conn, err = net.Dial("tcp", addr)
 		case "udp":
-			conn, err = net.Dial("udp", r.addr)
+			conn, err = net.Dial("udp", addr)
 		default:
 			return nil, fmt.Errorf("invalid protocol")
 		}
@@ -99,29 +150,63 @@ func (r *Request) Do() ([]byte, error) {
 	if r.timeout > 0 {
 		conn.SetDeadline(time.Now().Add(r.timeout))
 	}
-	return sendRequestByConn(conn, r.body)
+	buf, err := sendRequestByConn(conn, r.body)
+	if err != nil {
+		return nil, err
+	}
+	return &Response{Content: buf}, nil
 }
 
-func SendTCPRequest(port int, content []byte, timeout time.Duration) ([]byte, error) {
-	c, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", port))
-	if err != nil {
-		return nil, fmt.Errorf("connect to tcp server error: %v", err)
-	}
-	defer c.Close()
-
-	c.SetDeadline(time.Now().Add(timeout))
-	return sendRequestByConn(c, content)
+type Response struct {
+	Code    int
+	Header  http.Header
+	Content []byte
 }
 
-func SendUDPRequest(port int, content []byte, timeout time.Duration) ([]byte, error) {
-	c, err := net.Dial("udp", fmt.Sprintf("127.0.0.1:%d", port))
-	if err != nil {
-		return nil, fmt.Errorf("connect to udp server error:  %v", err)
+func sendHTTPRequest(method, urlstr string, host string, headers map[string]string, proxy string, body []byte) (*Response, error) {
+	var inBody io.Reader
+	if len(body) != 0 {
+		inBody = bytes.NewReader(body)
+	}
+	req, err := http.NewRequest(method, urlstr, inBody)
+	if err != nil {
+		return nil, err
+	}
+	if host != "" {
+		req.Host = host
+	}
+	for k, v := range headers {
+		req.Header.Set(k, v)
+	}
+	tr := &http.Transport{
+		DialContext: (&net.Dialer{
+			Timeout:   time.Second,
+			KeepAlive: 30 * time.Second,
+			DualStack: true,
+		}).DialContext,
+		MaxIdleConns:          100,
+		IdleConnTimeout:       90 * time.Second,
+		TLSHandshakeTimeout:   10 * time.Second,
+		ExpectContinueTimeout: 1 * time.Second,
+	}
+	if len(proxy) != 0 {
+		tr.Proxy = func(req *http.Request) (*url.URL, error) {
+			return url.Parse(proxy)
+		}
+	}
+	client := http.Client{Transport: tr}
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
 	}
-	defer c.Close()
 
-	c.SetDeadline(time.Now().Add(timeout))
-	return sendRequestByConn(c, content)
+	ret := &Response{Code: resp.StatusCode, Header: resp.Header}
+	buf, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, err
+	}
+	ret.Content = buf
+	return ret, nil
 }
 
 func sendRequestByConn(c net.Conn, content []byte) ([]byte, error) {