package http_test

import (
	"bufio"
	"net/http"
	"strings"
	"testing"

	. "v2ray.com/core/proxy/http"
	. "v2ray.com/ext/assert"

	_ "v2ray.com/core/transport/internet/tcp"
)

func TestHopByHopHeadersStrip(t *testing.T) {
	assert := With(t)

	rawRequest := `GET /pkg/net/http/ HTTP/1.1
Host: golang.org
Connection: keep-alive,Foo, Bar
Foo: foo
Bar: bar
Proxy-Connection: keep-alive
Proxy-Authenticate: abc
Accept-Encoding: gzip
Accept-Charset: ISO-8859-1,UTF-8;q=0.7,*;q=0.7
Cache-Control: no-cache
Accept-Language: de,en;q=0.7,en-us;q=0.3

`
	b := bufio.NewReader(strings.NewReader(rawRequest))
	req, err := http.ReadRequest(b)
	assert(err, IsNil)
	assert(req.Header.Get("Foo"), Equals, "foo")
	assert(req.Header.Get("Bar"), Equals, "bar")
	assert(req.Header.Get("Connection"), Equals, "keep-alive,Foo, Bar")
	assert(req.Header.Get("Proxy-Connection"), Equals, "keep-alive")
	assert(req.Header.Get("Proxy-Authenticate"), Equals, "abc")
	assert(req.Header.Get("User-Agent"), IsEmpty)

	StripHopByHopHeaders(req.Header)
	assert(req.Header.Get("Connection"), IsEmpty)
	assert(req.Header.Get("Foo"), IsEmpty)
	assert(req.Header.Get("Bar"), IsEmpty)
	assert(req.Header.Get("Proxy-Connection"), IsEmpty)
	assert(req.Header.Get("Proxy-Authenticate"), IsEmpty)
	assert(req.Header.Get("User-Agent"), IsEmpty)
}