http: add packages http/cgi and http/httptest
R=rsc, adg, jnw, bradfitzwork
CC=golang-dev
https://golang.org/cl/4247048
diff --git a/src/pkg/http/httptest/recorder.go b/src/pkg/http/httptest/recorder.go
new file mode 100644
index 0000000..44571dd
--- /dev/null
+++ b/src/pkg/http/httptest/recorder.go
@@ -0,0 +1,88 @@
+// Copyright 2011 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.
+
+// The httptest package provides utilities for HTTP testing.
+package httptest
+
+import (
+ "bufio"
+ "bytes"
+ "http"
+ "io"
+ "os"
+)
+
+// ResponseRecorder is an implementation of http.ResponseWriter that
+// records its mutations for later inspection in tests.
+//
+// Note that Hijack is not implemented and simply panics.
+type ResponseRecorder struct {
+ Code int // the HTTP response code from WriteHeader
+ Header http.Header // if non-nil, the headers to populate
+ Body *bytes.Buffer // if non-nil, the bytes.Buffer to append written data to
+ Flushed bool
+
+ FakeRemoteAddr string // the fake RemoteAddr to return, or "" for DefaultRemoteAddr
+ FakeUsingTLS bool // whether to return true from the UsingTLS method
+}
+
+// NewRecorder returns an initialized ResponseRecorder.
+func NewRecorder() *ResponseRecorder {
+ return &ResponseRecorder{
+ Header: http.Header(make(map[string][]string)),
+ Body: new(bytes.Buffer),
+ }
+}
+
+// DefaultRemoteAddr is the default remote address to return in RemoteAddr if
+// an explicit DefaultRemoteAddr isn't set on ResponseRecorder.
+const DefaultRemoteAddr = "1.2.3.4"
+
+// RemoteAddr returns the value of rw.FakeRemoteAddr, if set, else
+// returns DefaultRemoteAddr.
+func (rw *ResponseRecorder) RemoteAddr() string {
+ if rw.FakeRemoteAddr != "" {
+ return rw.FakeRemoteAddr
+ }
+ return DefaultRemoteAddr
+}
+
+// UsingTLS returns the fake value in rw.FakeUsingTLS
+func (rw *ResponseRecorder) UsingTLS() bool {
+ return rw.FakeUsingTLS
+}
+
+// SetHeader populates rw.Header, if non-nil.
+func (rw *ResponseRecorder) SetHeader(k, v string) {
+ if rw.Header != nil {
+ if v == "" {
+ rw.Header.Del(k)
+ } else {
+ rw.Header.Set(k, v)
+ }
+ }
+}
+
+// Write always succeeds and writes to rw.Body, if not nil.
+func (rw *ResponseRecorder) Write(buf []byte) (int, os.Error) {
+ if rw.Body != nil {
+ rw.Body.Write(buf)
+ }
+ return len(buf), nil
+}
+
+// WriteHeader sets rw.Code.
+func (rw *ResponseRecorder) WriteHeader(code int) {
+ rw.Code = code
+}
+
+// Flush sets rw.Flushed to true.
+func (rw *ResponseRecorder) Flush() {
+ rw.Flushed = true
+}
+
+// Hijack is not implemented in ResponseRecorder and instead panics.
+func (rw *ResponseRecorder) Hijack() (io.ReadWriteCloser, *bufio.ReadWriter, os.Error) {
+ panic("Hijack not implemented in ResponseRecorder")
+}
