Added tests for http.Request/Response.Write()

R=rsc
CC=golang-dev
https://golang.org/cl/199070

src/pkg/http/requestwrite_test.go

+// Copyright 2010 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package http
+
+import (
+	"bytes"
+	"testing"
+)
+
+type reqWriteTest struct {
+	Req Request
+	Raw string
+}
+
+var reqWriteTests = []reqWriteTest{
+	// HTTP/1.1 => chunked coding; no body; no trailer
+	reqWriteTest{
+		Request{
+			Method: "GET",
+			RawURL: "http://www.techcrunch.com/",
+			URL: &URL{
+				Raw: "http://www.techcrunch.com/",
+				Scheme: "http",
+				RawPath: "//www.techcrunch.com/",
+				Authority: "www.techcrunch.com",
+				Userinfo: "",
+				Host: "www.techcrunch.com",
+				Path: "/",
+				RawQuery: "",
+				Fragment: "",
+			},
+			Proto: "HTTP/1.1",
+			ProtoMajor: 1,
+			ProtoMinor: 1,
+			Header: map[string]string{
+				"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8",
+				"Accept-Charset": "ISO-8859-1,utf-8;q=0.7,*;q=0.7",
+				"Accept-Encoding": "gzip,deflate",
+				"Accept-Language": "en-us,en;q=0.5",
+				"Keep-Alive": "300",
+				"Proxy-Connection": "keep-alive",
+			},
+			Body: nil,
+			Close: false,
+			Host: "www.techcrunch.com",
+			Referer: "",
+			UserAgent: "Fake",
+			Form: map[string][]string{},
+		},
+
+		"GET / HTTP/1.1\r\n" +
+			"Host: www.techcrunch.com\r\n" +
+			"User-Agent: Fake\r\n" +
+			"Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n" +
+			"Accept-Encoding: gzip,deflate\r\n" +
+			"Accept-Language: en-us,en;q=0.5\r\n" +
+			"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n" +
+			"Keep-Alive: 300\r\n" +
+			"Proxy-Connection: keep-alive\r\n\r\n",
+	},
+	// HTTP/1.1 => chunked coding; body; empty trailer
+	reqWriteTest{
+		Request{
+			Method: "GET",
+			URL: &URL{
+				Scheme: "http",
+				Host: "www.google.com",
+				Path: "/search",
+			},
+			ProtoMajor: 1,
+			ProtoMinor: 0,
+			Header: map[string]string{},
+			Body: nopCloser{bytes.NewBufferString("abcdef")},
+		},
+
+		"GET /search HTTP/1.1\r\n" +
+			"Host: www.google.com\r\n" +
+			"User-Agent: Go http package\r\n" +
+			"Transfer-Encoding: chunked\r\n\r\n" +
+			"6\r\nabcdef\r\n0\r\n\r\n",
+	},
+}
+
+// FIXME(petar): The write order of keys in Request.Header depends on the
+// map[string]string iterator. Since this isn't defined in Go's semantics, we
+// should eventually fix Request.Write()
+func TestRequestWrite(t *testing.T) {
+	for i := range reqWriteTests {
+		tt := &reqWriteTests[i]
+		var braw bytes.Buffer
+		err := tt.Req.Write(&braw)
+		if err != nil {
+			t.Errorf("error writing #%d: %s", i, err)
+			continue
+		}
+		sraw := braw.String()
+		if sraw != tt.Raw {
+			t.Errorf("Test %d, expecting:\n%s\nGot:\n%s\n", i, tt.Raw, sraw)
+			continue
+		}
+	}
+}

src/pkg/http/responsewrite_test.go

+// Copyright 2010 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package http
+
+import (
+	"bytes"
+	"testing"
+)
+
+type respWriteTest struct {
+	Resp Response
+	Raw  string
+}
+
+var respWriteTests = []respWriteTest{
+	// HTTP/1.0, identity coding; no trailer
+	respWriteTest{
+		Response{
+			StatusCode: 503,
+			ProtoMajor: 1,
+			ProtoMinor: 0,
+			RequestMethod: "GET",
+			Header: map[string]string{},
+			Body: nopCloser{bytes.NewBufferString("abcdef")},
+			ContentLength: 6,
+		},
+
+		"HTTP/1.0 503 Service Unavailable\r\n" +
+			"Content-Length: 6\r\n\r\n" +
+			"abcdef",
+	},
+	// HTTP/1.1, chunked coding; empty trailer; close
+	respWriteTest{
+		Response{
+			StatusCode: 200,
+			ProtoMajor: 1,
+			ProtoMinor: 1,
+			RequestMethod: "GET",
+			Header: map[string]string{},
+			Body: nopCloser{bytes.NewBufferString("abcdef")},
+			ContentLength: 6,
+			TransferEncoding: []string{"chunked"},
+			Close: true, // TODO(petar): "Connection: close" is not written
+		},
+
+		"HTTP/1.1 200 OK\r\n" +
+			"Transfer-Encoding: chunked\r\n\r\n" +
+			"6\r\nabcdef\r\n0\r\n\r\n",
+	},
+}
+
+func TestResponseWrite(t *testing.T) {
+	for i := range respWriteTests {
+		tt := &respWriteTests[i]
+		var braw bytes.Buffer
+		err := tt.Resp.Write(&braw)
+		if err != nil {
+			t.Errorf("error writing #%d: %s", i, err)
+			continue
+		}
+		sraw := braw.String()
+		if sraw != tt.Raw {
+			t.Errorf("Test %d, expecting:\n%s\nGot:\n%s\n", i, tt.Raw, sraw)
+			continue
+		}
+	}
+}