http: set method GET on Get() requests

R=adg, bradfitzwork
CC=golang-dev
https://golang.org/cl/4229042

src/pkg/http/client.go

@@ -171,6 +171,9 @@ func (c *Client) Get(url string) (r *Response, finalURL string, err os.Error) {
 		}
 
 		var req Request
+		req.Method = "GET"
+		req.ProtoMajor = 1
+		req.ProtoMinor = 1
 		if base == nil {
 			req.URL, err = ParseURL(url)
 		} else {

src/pkg/http/client_test.go

@@ -8,6 +8,7 @@ package http
 
 import (
 	"io/ioutil"
+	"os"
 	"strings"
 	"testing"
 )
@@ -38,3 +39,25 @@ func TestClientHead(t *testing.T) {
 		t.Error("Last-Modified header not found.")
 	}
 }
+
+type recordingTransport struct {
+	req *Request
+}
+
+func (t *recordingTransport) Do(req *Request) (resp *Response, err os.Error) {
+	t.req = req
+	return nil, os.NewError("dummy impl")
+}
+
+func TestGetRequestFormat(t *testing.T) {
+	tr := &recordingTransport{}
+	client := &Client{transport: tr}
+	url := "http://dummy.faketld/"
+	client.Get(url) // Note: doesn't hit network
+	if tr.req.Method != "GET" {
+		t.Fatalf("expected method %q; got %q", "GET", tr.req.Method)
+	}
+	if tr.req.URL.String() != url {
+		t.Fatalf("expected URL %q; got %q", url, tr.req.URL.String())
+	}
+}