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Diffstat (limited to 'src/pkg/http/requestwrite_test.go')
-rw-r--r-- | src/pkg/http/requestwrite_test.go | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/src/pkg/http/requestwrite_test.go b/src/pkg/http/requestwrite_test.go new file mode 100644 index 000000000..458f0bd7f --- /dev/null +++ b/src/pkg/http/requestwrite_test.go @@ -0,0 +1,370 @@ +// 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" + "fmt" + "io" + "io/ioutil" + "os" + "strings" + "testing" + "url" +) + +type reqWriteTest struct { + Req Request + Body interface{} // optional []byte or func() io.ReadCloser to populate Req.Body + Raw string + RawProxy string +} + +var reqWriteTests = []reqWriteTest{ + // HTTP/1.1 => chunked coding; no body; no trailer + { + Request{ + Method: "GET", + RawURL: "http://www.techcrunch.com/", + URL: &url.URL{ + Raw: "http://www.techcrunch.com/", + Scheme: "http", + RawPath: "http://www.techcrunch.com/", + RawAuthority: "www.techcrunch.com", + RawUserinfo: "", + Host: "www.techcrunch.com", + Path: "/", + RawQuery: "", + Fragment: "", + }, + Proto: "HTTP/1.1", + ProtoMajor: 1, + ProtoMinor: 1, + Header: Header{ + "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"}, + "User-Agent": {"Fake"}, + }, + Body: nil, + Close: false, + Host: "www.techcrunch.com", + Form: map[string][]string{}, + }, + + nil, + + "GET http://www.techcrunch.com/ HTTP/1.1\r\n" + + "Host: www.techcrunch.com\r\n" + + "User-Agent: Fake\r\n" + + "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\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" + + "Keep-Alive: 300\r\n" + + "Proxy-Connection: keep-alive\r\n\r\n", + + "GET http://www.techcrunch.com/ HTTP/1.1\r\n" + + "Host: www.techcrunch.com\r\n" + + "User-Agent: Fake\r\n" + + "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\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" + + "Keep-Alive: 300\r\n" + + "Proxy-Connection: keep-alive\r\n\r\n", + }, + // HTTP/1.1 => chunked coding; body; empty trailer + { + Request{ + Method: "GET", + URL: &url.URL{ + Scheme: "http", + Host: "www.google.com", + Path: "/search", + }, + ProtoMajor: 1, + ProtoMinor: 1, + Header: Header{}, + TransferEncoding: []string{"chunked"}, + }, + + []byte("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" + + chunk("abcdef") + chunk(""), + + "GET http://www.google.com/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" + + chunk("abcdef") + chunk(""), + }, + // HTTP/1.1 POST => chunked coding; body; empty trailer + { + Request{ + Method: "POST", + URL: &url.URL{ + Scheme: "http", + Host: "www.google.com", + Path: "/search", + }, + ProtoMajor: 1, + ProtoMinor: 1, + Header: Header{}, + Close: true, + TransferEncoding: []string{"chunked"}, + }, + + []byte("abcdef"), + + "POST /search HTTP/1.1\r\n" + + "Host: www.google.com\r\n" + + "User-Agent: Go http package\r\n" + + "Connection: close\r\n" + + "Transfer-Encoding: chunked\r\n\r\n" + + chunk("abcdef") + chunk(""), + + "POST http://www.google.com/search HTTP/1.1\r\n" + + "Host: www.google.com\r\n" + + "User-Agent: Go http package\r\n" + + "Connection: close\r\n" + + "Transfer-Encoding: chunked\r\n\r\n" + + chunk("abcdef") + chunk(""), + }, + + // HTTP/1.1 POST with Content-Length, no chunking + { + Request{ + Method: "POST", + URL: &url.URL{ + Scheme: "http", + Host: "www.google.com", + Path: "/search", + }, + ProtoMajor: 1, + ProtoMinor: 1, + Header: Header{}, + Close: true, + ContentLength: 6, + }, + + []byte("abcdef"), + + "POST /search HTTP/1.1\r\n" + + "Host: www.google.com\r\n" + + "User-Agent: Go http package\r\n" + + "Connection: close\r\n" + + "Content-Length: 6\r\n" + + "\r\n" + + "abcdef", + + "POST http://www.google.com/search HTTP/1.1\r\n" + + "Host: www.google.com\r\n" + + "User-Agent: Go http package\r\n" + + "Connection: close\r\n" + + "Content-Length: 6\r\n" + + "\r\n" + + "abcdef", + }, + + // HTTP/1.1 POST with Content-Length in headers + { + Request{ + Method: "POST", + RawURL: "http://example.com/", + Host: "example.com", + Header: Header{ + "Content-Length": []string{"10"}, // ignored + }, + ContentLength: 6, + }, + + []byte("abcdef"), + + "POST http://example.com/ HTTP/1.1\r\n" + + "Host: example.com\r\n" + + "User-Agent: Go http package\r\n" + + "Content-Length: 6\r\n" + + "\r\n" + + "abcdef", + + "POST http://example.com/ HTTP/1.1\r\n" + + "Host: example.com\r\n" + + "User-Agent: Go http package\r\n" + + "Content-Length: 6\r\n" + + "\r\n" + + "abcdef", + }, + + // default to HTTP/1.1 + { + Request{ + Method: "GET", + RawURL: "/search", + Host: "www.google.com", + }, + + nil, + + "GET /search HTTP/1.1\r\n" + + "Host: www.google.com\r\n" + + "User-Agent: Go http package\r\n" + + "\r\n", + + // Looks weird but RawURL overrides what WriteProxy would choose. + "GET /search HTTP/1.1\r\n" + + "Host: www.google.com\r\n" + + "User-Agent: Go http package\r\n" + + "\r\n", + }, + + // Request with a 0 ContentLength and a 0 byte body. + { + Request{ + Method: "POST", + RawURL: "/", + Host: "example.com", + ProtoMajor: 1, + ProtoMinor: 1, + ContentLength: 0, // as if unset by user + }, + + func() io.ReadCloser { return ioutil.NopCloser(io.LimitReader(strings.NewReader("xx"), 0)) }, + + "POST / HTTP/1.1\r\n" + + "Host: example.com\r\n" + + "User-Agent: Go http package\r\n" + + "\r\n", + + "POST / HTTP/1.1\r\n" + + "Host: example.com\r\n" + + "User-Agent: Go http package\r\n" + + "\r\n", + }, + + // Request with a 0 ContentLength and a 1 byte body. + { + Request{ + Method: "POST", + RawURL: "/", + Host: "example.com", + ProtoMajor: 1, + ProtoMinor: 1, + ContentLength: 0, // as if unset by user + }, + + func() io.ReadCloser { return ioutil.NopCloser(io.LimitReader(strings.NewReader("xx"), 1)) }, + + "POST / HTTP/1.1\r\n" + + "Host: example.com\r\n" + + "User-Agent: Go http package\r\n" + + "Transfer-Encoding: chunked\r\n\r\n" + + chunk("x") + chunk(""), + + "POST / HTTP/1.1\r\n" + + "Host: example.com\r\n" + + "User-Agent: Go http package\r\n" + + "Transfer-Encoding: chunked\r\n\r\n" + + chunk("x") + chunk(""), + }, +} + +func TestRequestWrite(t *testing.T) { + for i := range reqWriteTests { + tt := &reqWriteTests[i] + + setBody := func() { + switch b := tt.Body.(type) { + case []byte: + tt.Req.Body = ioutil.NopCloser(bytes.NewBuffer(b)) + case func() io.ReadCloser: + tt.Req.Body = b() + } + } + if tt.Body != nil { + setBody() + } + if tt.Req.Header == nil { + tt.Req.Header = make(Header) + } + 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 + } + + if tt.Body != nil { + setBody() + } + var praw bytes.Buffer + err = tt.Req.WriteProxy(&praw) + if err != nil { + t.Errorf("error writing #%d: %s", i, err) + continue + } + sraw = praw.String() + if sraw != tt.RawProxy { + t.Errorf("Test Proxy %d, expecting:\n%s\nGot:\n%s\n", i, tt.RawProxy, sraw) + continue + } + } +} + +type closeChecker struct { + io.Reader + closed bool +} + +func (rc *closeChecker) Close() os.Error { + rc.closed = true + return nil +} + +// TestRequestWriteClosesBody tests that Request.Write does close its request.Body. +// It also indirectly tests NewRequest and that it doesn't wrap an existing Closer +// inside a NopCloser, and that it serializes it correctly. +func TestRequestWriteClosesBody(t *testing.T) { + rc := &closeChecker{Reader: strings.NewReader("my body")} + req, _ := NewRequest("POST", "http://foo.com/", rc) + if req.ContentLength != 0 { + t.Errorf("got req.ContentLength %d, want 0", req.ContentLength) + } + buf := new(bytes.Buffer) + req.Write(buf) + if !rc.closed { + t.Error("body not closed after write") + } + expected := "POST / HTTP/1.1\r\n" + + "Host: foo.com\r\n" + + "User-Agent: Go http package\r\n" + + "Transfer-Encoding: chunked\r\n\r\n" + + // TODO: currently we don't buffer before chunking, so we get a + // single "m" chunk before the other chunks, as this was the 1-byte + // read from our MultiReader where we stiched the Body back together + // after sniffing whether the Body was 0 bytes or not. + chunk("m") + + chunk("y body") + + chunk("") + if buf.String() != expected { + t.Errorf("write:\n got: %s\nwant: %s", buf.String(), expected) + } +} + +func chunk(s string) string { + return fmt.Sprintf("%x\r\n%s\r\n", len(s), s) +} |