mirror of
https://github.com/autc04/Retro68.git
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655 lines
16 KiB
Go
655 lines
16 KiB
Go
// 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-client/1.1\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-client/1.1\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-client/1.1\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-client/1.1\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-client/1.1\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-client/1.1\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-client/1.1\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-client/1.1\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-client/1.1\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-client/1.1\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-client/1.1\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-client/1.1\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-client/1.1\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: 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: 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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// Request with a 0 ContentLength and a body with 1 byte content and an error.
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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 {
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err := errors.New("Custom reader error")
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errReader := &errorReader{err}
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return ioutil.NopCloser(io.MultiReader(strings.NewReader("x"), errReader))
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},
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WantError: errors.New("Custom reader error"),
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},
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// Request with a 0 ContentLength and a body without content and an error.
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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 {
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err := errors.New("Custom reader error")
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errReader := &errorReader{err}
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return ioutil.NopCloser(errReader)
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},
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WantError: errors.New("Custom reader error"),
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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-client/1.1\r\n" +
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"X-Foo: X-Bar\r\n\r\n",
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},
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// If no Request.Host and no Request.URL.Host, we send
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// an empty Host header, and don't use
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// Request.Header["Host"]. This is just testing that
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// we don't change Go 1.0 behavior.
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{
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Req: Request{
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Method: "GET",
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Host: "",
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URL: &url.URL{
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Scheme: "http",
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Host: "",
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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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"Host": []string{"bad.example.com"},
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},
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},
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WantWrite: "GET /search HTTP/1.1\r\n" +
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"Host: \r\n" +
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"User-Agent: Go-http-client/1.1\r\n\r\n",
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},
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// Opaque test #1 from golang.org/issue/4860
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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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Opaque: "/%2F/%2F/",
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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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},
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WantWrite: "GET /%2F/%2F/ HTTP/1.1\r\n" +
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"Host: www.google.com\r\n" +
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"User-Agent: Go-http-client/1.1\r\n\r\n",
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},
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// Opaque test #2 from golang.org/issue/4860
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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: "x.google.com",
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Opaque: "//y.google.com/%2F/%2F/",
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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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},
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WantWrite: "GET http://y.google.com/%2F/%2F/ HTTP/1.1\r\n" +
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"Host: x.google.com\r\n" +
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"User-Agent: Go-http-client/1.1\r\n\r\n",
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},
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// Testing custom case in header keys. Issue 5022.
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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: "/",
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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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"ALL-CAPS": {"x"},
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},
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},
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WantWrite: "GET / HTTP/1.1\r\n" +
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"Host: www.google.com\r\n" +
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"User-Agent: Go-http-client/1.1\r\n" +
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"ALL-CAPS: x\r\n" +
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"\r\n",
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},
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// Request with host header field; IPv6 address with zone identifier
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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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Host: "[fe80::1%en0]",
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},
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},
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WantWrite: "GET / HTTP/1.1\r\n" +
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"Host: [fe80::1]\r\n" +
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"User-Agent: Go-http-client/1.1\r\n" +
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"\r\n",
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},
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// Request with optional host header field; IPv6 address with zone identifier
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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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Host: "www.example.com",
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},
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Host: "[fe80::1%en0]:8080",
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},
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WantWrite: "GET / HTTP/1.1\r\n" +
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"Host: [fe80::1]:8080\r\n" +
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"User-Agent: Go-http-client/1.1\r\n" +
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"\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.NewReader(b))
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case func() io.ReadCloser:
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tt.Req.Body = b()
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}
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}
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setBody()
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if tt.Req.Header == nil {
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tt.Req.Header = make(Header)
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}
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var braw bytes.Buffer
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err := tt.Req.Write(&braw)
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if g, e := fmt.Sprintf("%v", err), fmt.Sprintf("%v", tt.WantError); g != e {
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t.Errorf("writing #%d, err = %q, want %q", i, g, e)
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continue
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}
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if err != nil {
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continue
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}
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if tt.WantWrite != "" {
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sraw := braw.String()
|
|
if sraw != tt.WantWrite {
|
|
t.Errorf("Test %d, expecting:\n%s\nGot:\n%s\n", i, tt.WantWrite, sraw)
|
|
continue
|
|
}
|
|
}
|
|
|
|
if tt.WantProxy != "" {
|
|
setBody()
|
|
var praw bytes.Buffer
|
|
err = tt.Req.WriteProxy(&praw)
|
|
if err != nil {
|
|
t.Errorf("WriteProxy #%d: %s", i, err)
|
|
continue
|
|
}
|
|
sraw := praw.String()
|
|
if sraw != tt.WantProxy {
|
|
t.Errorf("Test Proxy %d, expecting:\n%s\nGot:\n%s\n", i, tt.WantProxy, sraw)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
type closeChecker struct {
|
|
io.Reader
|
|
closed bool
|
|
}
|
|
|
|
func (rc *closeChecker) Close() 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-client/1.1\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)
|
|
}
|
|
|
|
func mustParseURL(s string) *url.URL {
|
|
u, err := url.Parse(s)
|
|
if err != nil {
|
|
panic(fmt.Sprintf("Error parsing URL %q: %v", s, err))
|
|
}
|
|
return u
|
|
}
|
|
|
|
type writerFunc func([]byte) (int, error)
|
|
|
|
func (f writerFunc) Write(p []byte) (int, error) { return f(p) }
|
|
|
|
// TestRequestWriteError tests the Write err != nil checks in (*Request).write.
|
|
func TestRequestWriteError(t *testing.T) {
|
|
failAfter, writeCount := 0, 0
|
|
errFail := errors.New("fake write failure")
|
|
|
|
// w is the buffered io.Writer to write the request to. It
|
|
// fails exactly once on its Nth Write call, as controlled by
|
|
// failAfter. It also tracks the number of calls in
|
|
// writeCount.
|
|
w := struct {
|
|
io.ByteWriter // to avoid being wrapped by a bufio.Writer
|
|
io.Writer
|
|
}{
|
|
nil,
|
|
writerFunc(func(p []byte) (n int, err error) {
|
|
writeCount++
|
|
if failAfter == 0 {
|
|
err = errFail
|
|
}
|
|
failAfter--
|
|
return len(p), err
|
|
}),
|
|
}
|
|
|
|
req, _ := NewRequest("GET", "http://example.com/", nil)
|
|
const writeCalls = 4 // number of Write calls in current implementation
|
|
sawGood := false
|
|
for n := 0; n <= writeCalls+2; n++ {
|
|
failAfter = n
|
|
writeCount = 0
|
|
err := req.Write(w)
|
|
var wantErr error
|
|
if n < writeCalls {
|
|
wantErr = errFail
|
|
}
|
|
if err != wantErr {
|
|
t.Errorf("for fail-after %d Writes, err = %v; want %v", n, err, wantErr)
|
|
continue
|
|
}
|
|
if err == nil {
|
|
sawGood = true
|
|
if writeCount != writeCalls {
|
|
t.Fatalf("writeCalls constant is outdated in test")
|
|
}
|
|
}
|
|
if writeCount > writeCalls || writeCount > n+1 {
|
|
t.Errorf("for fail-after %d, saw unexpectedly high (%d) write calls", n, writeCount)
|
|
}
|
|
}
|
|
if !sawGood {
|
|
t.Fatalf("writeCalls constant is outdated in test")
|
|
}
|
|
}
|