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// 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.
package http
import (
"bytes"
"internal/race"
"reflect"
"runtime"
"testing"
"time"
)
var headerWriteTests = []struct {
h Header
exclude map[string]bool
expected string
}{
{Header{}, nil, ""},
{
Header{
"Content-Type": {"text/html; charset=UTF-8"},
"Content-Length": {"0"},
},
nil,
"Content-Length: 0\r\nContent-Type: text/html; charset=UTF-8\r\n",
},
{
Header{
"Content-Length": {"0", "1", "2"},
},
nil,
"Content-Length: 0\r\nContent-Length: 1\r\nContent-Length: 2\r\n",
},
{
Header{
"Expires": {"-1"},
"Content-Length": {"0"},
"Content-Encoding": {"gzip"},
},
map[string]bool{"Content-Length": true},
"Content-Encoding: gzip\r\nExpires: -1\r\n",
},
{
Header{
"Expires": {"-1"},
"Content-Length": {"0", "1", "2"},
"Content-Encoding": {"gzip"},
},
map[string]bool{"Content-Length": true},
"Content-Encoding: gzip\r\nExpires: -1\r\n",
},
{
Header{
"Expires": {"-1"},
"Content-Length": {"0"},
"Content-Encoding": {"gzip"},
},
map[string]bool{"Content-Length": true, "Expires": true, "Content-Encoding": true},
"",
},
{
Header{
"Nil": nil,
"Empty": {},
"Blank": {""},
"Double-Blank": {"", ""},
},
nil,
"Blank: \r\nDouble-Blank: \r\nDouble-Blank: \r\n",
},
// Tests header sorting when over the insertion sort threshold side:
{
Header{
"k1": {"1a", "1b"},
"k2": {"2a", "2b"},
"k3": {"3a", "3b"},
"k4": {"4a", "4b"},
"k5": {"5a", "5b"},
"k6": {"6a", "6b"},
"k7": {"7a", "7b"},
"k8": {"8a", "8b"},
"k9": {"9a", "9b"},
},
map[string]bool{"k5": true},
"k1: 1a\r\nk1: 1b\r\nk2: 2a\r\nk2: 2b\r\nk3: 3a\r\nk3: 3b\r\n" +
"k4: 4a\r\nk4: 4b\r\nk6: 6a\r\nk6: 6b\r\n" +
"k7: 7a\r\nk7: 7b\r\nk8: 8a\r\nk8: 8b\r\nk9: 9a\r\nk9: 9b\r\n",
},
// Tests invalid characters in headers.
{
Header{
"Content-Type": {"text/html; charset=UTF-8"},
"NewlineInValue": {"1\r\nBar: 2"},
"NewlineInKey\r\n": {"1"},
"Colon:InKey": {"1"},
"Evil: 1\r\nSmuggledValue": {"1"},
},
nil,
"Content-Type: text/html; charset=UTF-8\r\n" +
"NewlineInValue: 1 Bar: 2\r\n",
},
}
func TestHeaderWrite(t *testing.T) {
var buf bytes.Buffer
for i, test := range headerWriteTests {
test.h.WriteSubset(&buf, test.exclude)
if buf.String() != test.expected {
t.Errorf("#%d:\n got: %q\nwant: %q", i, buf.String(), test.expected)
}
buf.Reset()
}
}
var parseTimeTests = []struct {
h Header
err bool
}{
{Header{"Date": {""}}, true},
{Header{"Date": {"invalid"}}, true},
{Header{"Date": {"1994-11-06T08:49:37Z00:00"}}, true},
{Header{"Date": {"Sun, 06 Nov 1994 08:49:37 GMT"}}, false},
{Header{"Date": {"Sunday, 06-Nov-94 08:49:37 GMT"}}, false},
{Header{"Date": {"Sun Nov 6 08:49:37 1994"}}, false},
}
func TestParseTime(t *testing.T) {
expect := time.Date(1994, 11, 6, 8, 49, 37, 0, time.UTC)
for i, test := range parseTimeTests {
d, err := ParseTime(test.h.Get("Date"))
if err != nil {
if !test.err {
t.Errorf("#%d:\n got err: %v", i, err)
}
continue
}
if test.err {
t.Errorf("#%d:\n should err", i)
continue
}
if !expect.Equal(d) {
t.Errorf("#%d:\n got: %v\nwant: %v", i, d, expect)
}
}
}
type hasTokenTest struct {
header string
token string
want bool
}
var hasTokenTests = []hasTokenTest{
{"", "", false},
{"", "foo", false},
{"foo", "foo", true},
{"foo ", "foo", true},
{" foo", "foo", true},
{" foo ", "foo", true},
{"foo,bar", "foo", true},
{"bar,foo", "foo", true},
{"bar, foo", "foo", true},
{"bar,foo, baz", "foo", true},
{"bar, foo,baz", "foo", true},
{"bar,foo, baz", "foo", true},
{"bar, foo, baz", "foo", true},
{"FOO", "foo", true},
{"FOO ", "foo", true},
{" FOO", "foo", true},
{" FOO ", "foo", true},
{"FOO,BAR", "foo", true},
{"BAR,FOO", "foo", true},
{"BAR, FOO", "foo", true},
{"BAR,FOO, baz", "foo", true},
{"BAR, FOO,BAZ", "foo", true},
{"BAR,FOO, BAZ", "foo", true},
{"BAR, FOO, BAZ", "foo", true},
{"foobar", "foo", false},
{"barfoo ", "foo", false},
}
func TestHasToken(t *testing.T) {
for _, tt := range hasTokenTests {
if hasToken(tt.header, tt.token) != tt.want {
t.Errorf("hasToken(%q, %q) = %v; want %v", tt.header, tt.token, !tt.want, tt.want)
}
}
}
func TestNilHeaderClone(t *testing.T) {
t1 := Header(nil)
t2 := t1.Clone()
if t2 != nil {
t.Errorf("cloned header does not match original: got: %+v; want: %+v", t2, nil)
}
}
var testHeader = Header{
"Content-Length": {"123"},
"Content-Type": {"text/plain"},
"Date": {"some date at some time Z"},
"Server": {DefaultUserAgent},
}
var buf bytes.Buffer
func BenchmarkHeaderWriteSubset(b *testing.B) {
b.ReportAllocs()
for i := 0; i < b.N; i++ {
buf.Reset()
testHeader.WriteSubset(&buf, nil)
}
}
func TestHeaderWriteSubsetAllocs(t *testing.T) {
if testing.Short() {
t.Skip("skipping alloc test in short mode")
}
if race.Enabled {
t.Skip("skipping test under race detector")
}
t.Skip("Skipping alloc count test on gccgo")
if runtime.GOMAXPROCS(0) > 1 {
t.Skip("skipping; GOMAXPROCS>1")
}
n := testing.AllocsPerRun(100, func() {
buf.Reset()
testHeader.WriteSubset(&buf, nil)
})
if n > 0 {
t.Errorf("allocs = %g; want 0", n)
}
}
// Issue 34878: test that every call to
// cloneOrMakeHeader never returns a nil Header.
func TestCloneOrMakeHeader(t *testing.T) {
tests := []struct {
name string
in, want Header
}{
{"nil", nil, Header{}},
{"empty", Header{}, Header{}},
{
name: "non-empty",
in: Header{"foo": {"bar"}},
want: Header{"foo": {"bar"}},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got := cloneOrMakeHeader(tt.in)
if got == nil {
t.Fatal("unexpected nil Header")
}
if !reflect.DeepEqual(got, tt.want) {
t.Fatalf("Got: %#v\nWant: %#v", got, tt.want)
}
got.Add("A", "B")
got.Get("A")
})
}
}