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jeremybenn |
// Copyright 2010 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package http
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import (
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"bytes"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"net/url"
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"strings"
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"testing"
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)
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type reqWriteTest struct {
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Req Request
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Body interface{} // optional []byte or func() io.ReadCloser to populate Req.Body
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// Any of these three may be empty to skip that test.
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WantWrite string // Request.Write
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WantProxy string // Request.WriteProxy
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WantError error // wanted error from Request.Write
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}
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var reqWriteTests = []reqWriteTest{
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// HTTP/1.1 => chunked coding; no body; no trailer
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{
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Req: Request{
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Method: "GET",
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URL: &url.URL{
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Scheme: "http",
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Host: "www.techcrunch.com",
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Path: "/",
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},
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Proto: "HTTP/1.1",
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ProtoMajor: 1,
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ProtoMinor: 1,
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Header: Header{
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"Accept": {"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"},
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"Accept-Charset": {"ISO-8859-1,utf-8;q=0.7,*;q=0.7"},
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"Accept-Encoding": {"gzip,deflate"},
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"Accept-Language": {"en-us,en;q=0.5"},
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"Keep-Alive": {"300"},
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"Proxy-Connection": {"keep-alive"},
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"User-Agent": {"Fake"},
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},
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Body: nil,
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Close: false,
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Host: "www.techcrunch.com",
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Form: map[string][]string{},
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},
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WantWrite: "GET / HTTP/1.1\r\n" +
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"Host: www.techcrunch.com\r\n" +
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"User-Agent: Fake\r\n" +
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"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n" +
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"Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n" +
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"Accept-Encoding: gzip,deflate\r\n" +
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"Accept-Language: en-us,en;q=0.5\r\n" +
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"Keep-Alive: 300\r\n" +
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"Proxy-Connection: keep-alive\r\n\r\n",
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WantProxy: "GET http://www.techcrunch.com/ HTTP/1.1\r\n" +
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"Host: www.techcrunch.com\r\n" +
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"User-Agent: Fake\r\n" +
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"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n" +
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"Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n" +
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"Accept-Encoding: gzip,deflate\r\n" +
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"Accept-Language: en-us,en;q=0.5\r\n" +
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"Keep-Alive: 300\r\n" +
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"Proxy-Connection: keep-alive\r\n\r\n",
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},
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// HTTP/1.1 => chunked coding; body; empty trailer
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{
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Req: Request{
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Method: "GET",
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URL: &url.URL{
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Scheme: "http",
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Host: "www.google.com",
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Path: "/search",
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},
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ProtoMajor: 1,
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ProtoMinor: 1,
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Header: Header{},
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TransferEncoding: []string{"chunked"},
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},
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Body: []byte("abcdef"),
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WantWrite: "GET /search HTTP/1.1\r\n" +
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"Host: www.google.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Transfer-Encoding: chunked\r\n\r\n" +
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chunk("abcdef") + chunk(""),
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WantProxy: "GET http://www.google.com/search HTTP/1.1\r\n" +
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"Host: www.google.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Transfer-Encoding: chunked\r\n\r\n" +
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chunk("abcdef") + chunk(""),
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},
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// HTTP/1.1 POST => chunked coding; body; empty trailer
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{
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Req: Request{
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Method: "POST",
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URL: &url.URL{
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Scheme: "http",
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Host: "www.google.com",
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Path: "/search",
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},
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ProtoMajor: 1,
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ProtoMinor: 1,
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Header: Header{},
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Close: true,
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TransferEncoding: []string{"chunked"},
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},
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Body: []byte("abcdef"),
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WantWrite: "POST /search HTTP/1.1\r\n" +
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"Host: www.google.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Connection: close\r\n" +
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"Transfer-Encoding: chunked\r\n\r\n" +
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chunk("abcdef") + chunk(""),
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WantProxy: "POST http://www.google.com/search HTTP/1.1\r\n" +
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"Host: www.google.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Connection: close\r\n" +
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"Transfer-Encoding: chunked\r\n\r\n" +
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chunk("abcdef") + chunk(""),
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},
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// HTTP/1.1 POST with Content-Length, no chunking
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{
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Req: Request{
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Method: "POST",
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URL: &url.URL{
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Scheme: "http",
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Host: "www.google.com",
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Path: "/search",
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},
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ProtoMajor: 1,
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ProtoMinor: 1,
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Header: Header{},
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Close: true,
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ContentLength: 6,
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},
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Body: []byte("abcdef"),
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WantWrite: "POST /search HTTP/1.1\r\n" +
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"Host: www.google.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Connection: close\r\n" +
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"Content-Length: 6\r\n" +
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"\r\n" +
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"abcdef",
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WantProxy: "POST http://www.google.com/search HTTP/1.1\r\n" +
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"Host: www.google.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Connection: close\r\n" +
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"Content-Length: 6\r\n" +
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"\r\n" +
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"abcdef",
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},
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// HTTP/1.1 POST with Content-Length in headers
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{
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Req: Request{
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Method: "POST",
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URL: mustParseURL("http://example.com/"),
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Host: "example.com",
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Header: Header{
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"Content-Length": []string{"10"}, // ignored
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},
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ContentLength: 6,
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},
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Body: []byte("abcdef"),
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WantWrite: "POST / HTTP/1.1\r\n" +
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"Host: example.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Content-Length: 6\r\n" +
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"\r\n" +
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"abcdef",
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WantProxy: "POST http://example.com/ HTTP/1.1\r\n" +
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"Host: example.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Content-Length: 6\r\n" +
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"\r\n" +
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"abcdef",
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},
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// default to HTTP/1.1
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{
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Req: Request{
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Method: "GET",
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URL: mustParseURL("/search"),
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Host: "www.google.com",
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},
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WantWrite: "GET /search HTTP/1.1\r\n" +
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"Host: www.google.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"\r\n",
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},
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// Request with a 0 ContentLength and a 0 byte body.
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{
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Req: Request{
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Method: "POST",
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URL: mustParseURL("/"),
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Host: "example.com",
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ProtoMajor: 1,
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ProtoMinor: 1,
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ContentLength: 0, // as if unset by user
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},
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Body: func() io.ReadCloser { return ioutil.NopCloser(io.LimitReader(strings.NewReader("xx"), 0)) },
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// RFC 2616 Section 14.13 says Content-Length should be specified
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// unless body is prohibited by the request method.
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// Also, nginx expects it for POST and PUT.
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WantWrite: "POST / HTTP/1.1\r\n" +
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"Host: example.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Content-Length: 0\r\n" +
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"\r\n",
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WantProxy: "POST / HTTP/1.1\r\n" +
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"Host: example.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Content-Length: 0\r\n" +
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"\r\n",
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},
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// Request with a 0 ContentLength and a 1 byte body.
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{
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Req: Request{
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Method: "POST",
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URL: mustParseURL("/"),
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Host: "example.com",
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ProtoMajor: 1,
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ProtoMinor: 1,
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ContentLength: 0, // as if unset by user
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},
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Body: func() io.ReadCloser { return ioutil.NopCloser(io.LimitReader(strings.NewReader("xx"), 1)) },
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WantWrite: "POST / HTTP/1.1\r\n" +
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"Host: example.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Transfer-Encoding: chunked\r\n\r\n" +
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chunk("x") + chunk(""),
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WantProxy: "POST / HTTP/1.1\r\n" +
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"Host: example.com\r\n" +
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"User-Agent: Go http package\r\n" +
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"Transfer-Encoding: chunked\r\n\r\n" +
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chunk("x") + chunk(""),
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},
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// Request with a ContentLength of 10 but a 5 byte body.
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{
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Req: Request{
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Method: "POST",
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URL: mustParseURL("/"),
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Host: "example.com",
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ProtoMajor: 1,
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ProtoMinor: 1,
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ContentLength: 10, // but we're going to send only 5 bytes
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},
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Body: []byte("12345"),
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WantError: errors.New("http: Request.ContentLength=10 with Body length 5"),
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},
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// Request with a ContentLength of 4 but an 8 byte body.
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{
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Req: Request{
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Method: "POST",
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URL: mustParseURL("/"),
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Host: "example.com",
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ProtoMajor: 1,
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ProtoMinor: 1,
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ContentLength: 4, // but we're going to try to send 8 bytes
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},
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Body: []byte("12345678"),
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WantError: errors.New("http: Request.ContentLength=4 with Body length 8"),
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},
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// Request with a 5 ContentLength and nil body.
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{
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Req: Request{
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Method: "POST",
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URL: mustParseURL("/"),
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Host: "example.com",
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ProtoMajor: 1,
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ProtoMinor: 1,
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ContentLength: 5, // but we'll omit the body
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},
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WantError: errors.New("http: Request.ContentLength=5 with nil Body"),
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},
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// Verify that DumpRequest preserves the HTTP version number, doesn't add a Host,
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// and doesn't add a User-Agent.
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{
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Req: Request{
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Method: "GET",
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URL: mustParseURL("/foo"),
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ProtoMajor: 1,
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ProtoMinor: 0,
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Header: Header{
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"X-Foo": []string{"X-Bar"},
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},
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},
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WantWrite: "GET /foo HTTP/1.1\r\n" +
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"Host: \r\n" +
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"User-Agent: Go http package\r\n" +
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"X-Foo: X-Bar\r\n\r\n",
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},
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}
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func TestRequestWrite(t *testing.T) {
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for i := range reqWriteTests {
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tt := &reqWriteTests[i]
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setBody := func() {
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if tt.Body == nil {
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return
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}
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switch b := tt.Body.(type) {
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case []byte:
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|
tt.Req.Body = ioutil.NopCloser(bytes.NewBuffer(b))
|
| 344 |
|
|
case func() io.ReadCloser:
|
| 345 |
|
|
tt.Req.Body = b()
|
| 346 |
|
|
}
|
| 347 |
|
|
}
|
| 348 |
|
|
setBody()
|
| 349 |
|
|
if tt.Req.Header == nil {
|
| 350 |
|
|
tt.Req.Header = make(Header)
|
| 351 |
|
|
}
|
| 352 |
|
|
|
| 353 |
|
|
var braw bytes.Buffer
|
| 354 |
|
|
err := tt.Req.Write(&braw)
|
| 355 |
|
|
if g, e := fmt.Sprintf("%v", err), fmt.Sprintf("%v", tt.WantError); g != e {
|
| 356 |
|
|
t.Errorf("writing #%d, err = %q, want %q", i, g, e)
|
| 357 |
|
|
continue
|
| 358 |
|
|
}
|
| 359 |
|
|
if err != nil {
|
| 360 |
|
|
continue
|
| 361 |
|
|
}
|
| 362 |
|
|
|
| 363 |
|
|
if tt.WantWrite != "" {
|
| 364 |
|
|
sraw := braw.String()
|
| 365 |
|
|
if sraw != tt.WantWrite {
|
| 366 |
|
|
t.Errorf("Test %d, expecting:\n%s\nGot:\n%s\n", i, tt.WantWrite, sraw)
|
| 367 |
|
|
continue
|
| 368 |
|
|
}
|
| 369 |
|
|
}
|
| 370 |
|
|
|
| 371 |
|
|
if tt.WantProxy != "" {
|
| 372 |
|
|
setBody()
|
| 373 |
|
|
var praw bytes.Buffer
|
| 374 |
|
|
err = tt.Req.WriteProxy(&praw)
|
| 375 |
|
|
if err != nil {
|
| 376 |
|
|
t.Errorf("WriteProxy #%d: %s", i, err)
|
| 377 |
|
|
continue
|
| 378 |
|
|
}
|
| 379 |
|
|
sraw := praw.String()
|
| 380 |
|
|
if sraw != tt.WantProxy {
|
| 381 |
|
|
t.Errorf("Test Proxy %d, expecting:\n%s\nGot:\n%s\n", i, tt.WantProxy, sraw)
|
| 382 |
|
|
continue
|
| 383 |
|
|
}
|
| 384 |
|
|
}
|
| 385 |
|
|
}
|
| 386 |
|
|
}
|
| 387 |
|
|
|
| 388 |
|
|
type closeChecker struct {
|
| 389 |
|
|
io.Reader
|
| 390 |
|
|
closed bool
|
| 391 |
|
|
}
|
| 392 |
|
|
|
| 393 |
|
|
func (rc *closeChecker) Close() error {
|
| 394 |
|
|
rc.closed = true
|
| 395 |
|
|
return nil
|
| 396 |
|
|
}
|
| 397 |
|
|
|
| 398 |
|
|
// TestRequestWriteClosesBody tests that Request.Write does close its request.Body.
|
| 399 |
|
|
// It also indirectly tests NewRequest and that it doesn't wrap an existing Closer
|
| 400 |
|
|
// inside a NopCloser, and that it serializes it correctly.
|
| 401 |
|
|
func TestRequestWriteClosesBody(t *testing.T) {
|
| 402 |
|
|
rc := &closeChecker{Reader: strings.NewReader("my body")}
|
| 403 |
|
|
req, _ := NewRequest("POST", "http://foo.com/", rc)
|
| 404 |
|
|
if req.ContentLength != 0 {
|
| 405 |
|
|
t.Errorf("got req.ContentLength %d, want 0", req.ContentLength)
|
| 406 |
|
|
}
|
| 407 |
|
|
buf := new(bytes.Buffer)
|
| 408 |
|
|
req.Write(buf)
|
| 409 |
|
|
if !rc.closed {
|
| 410 |
|
|
t.Error("body not closed after write")
|
| 411 |
|
|
}
|
| 412 |
|
|
expected := "POST / HTTP/1.1\r\n" +
|
| 413 |
|
|
"Host: foo.com\r\n" +
|
| 414 |
|
|
"User-Agent: Go http package\r\n" +
|
| 415 |
|
|
"Transfer-Encoding: chunked\r\n\r\n" +
|
| 416 |
|
|
// TODO: currently we don't buffer before chunking, so we get a
|
| 417 |
|
|
// single "m" chunk before the other chunks, as this was the 1-byte
|
| 418 |
|
|
// read from our MultiReader where we stiched the Body back together
|
| 419 |
|
|
// after sniffing whether the Body was 0 bytes or not.
|
| 420 |
|
|
chunk("m") +
|
| 421 |
|
|
chunk("y body") +
|
| 422 |
|
|
chunk("")
|
| 423 |
|
|
if buf.String() != expected {
|
| 424 |
|
|
t.Errorf("write:\n got: %s\nwant: %s", buf.String(), expected)
|
| 425 |
|
|
}
|
| 426 |
|
|
}
|
| 427 |
|
|
|
| 428 |
|
|
func chunk(s string) string {
|
| 429 |
|
|
return fmt.Sprintf("%x\r\n%s\r\n", len(s), s)
|
| 430 |
|
|
}
|
| 431 |
|
|
|
| 432 |
|
|
func mustParseURL(s string) *url.URL {
|
| 433 |
|
|
u, err := url.Parse(s)
|
| 434 |
|
|
if err != nil {
|
| 435 |
|
|
panic(fmt.Sprintf("Error parsing URL %q: %v", s, err))
|
| 436 |
|
|
}
|
| 437 |
|
|
return u
|
| 438 |
|
|
}
|
