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// Copyright 2009 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 url
import (
"bytes"
encodingPkg "encoding"
"encoding/gob"
"encoding/json"
"fmt"
"io"
"net"
"reflect"
"strings"
"testing"
)
type URLTest struct {
in string
out *URL // expected parse; RawPath="" means same as Path
roundtrip string // expected result of reserializing the URL; empty means same as "in".
}
var urltests = []URLTest{
// no path
{
"http://www.google.com",
&URL{
Scheme: "http",
Host: "www.google.com",
},
"",
},
// path
{
"http://www.google.com/",
&URL{
Scheme: "http",
Host: "www.google.com",
Path: "/",
},
"",
},
// path with hex escaping
{
"http://www.google.com/file%20one%26two",
&URL{
Scheme: "http",
Host: "www.google.com",
Path: "/file one&two",
RawPath: "/file%20one%26two",
},
"",
},
// user
{
"ftp://webmaster@www.google.com/",
&URL{
Scheme: "ftp",
User: User("webmaster"),
Host: "www.google.com",
Path: "/",
},
"",
},
// escape sequence in username
{
"ftp://john%20doe@www.google.com/",
&URL{
Scheme: "ftp",
User: User("john doe"),
Host: "www.google.com",
Path: "/",
},
"ftp://john%20doe@www.google.com/",
},
// empty query
{
"http://www.google.com/?",
&URL{
Scheme: "http",
Host: "www.google.com",
Path: "/",
ForceQuery: true,
},
"",
},
// query ending in question mark (Issue 14573)
{
"http://www.google.com/?foo=bar?",
&URL{
Scheme: "http",
Host: "www.google.com",
Path: "/",
RawQuery: "foo=bar?",
},
"",
},
// query
{
"http://www.google.com/?q=go+language",
&URL{
Scheme: "http",
Host: "www.google.com",
Path: "/",
RawQuery: "q=go+language",
},
"",
},
// query with hex escaping: NOT parsed
{
"http://www.google.com/?q=go%20language",
&URL{
Scheme: "http",
Host: "www.google.com",
Path: "/",
RawQuery: "q=go%20language",
},
"",
},
// %20 outside query
{
"http://www.google.com/a%20b?q=c+d",
&URL{
Scheme: "http",
Host: "www.google.com",
Path: "/a b",
RawQuery: "q=c+d",
},
"",
},
// path without leading /, so no parsing
{
"http:www.google.com/?q=go+language",
&URL{
Scheme: "http",
Opaque: "www.google.com/",
RawQuery: "q=go+language",
},
"http:www.google.com/?q=go+language",
},
// path without leading /, so no parsing
{
"http:%2f%2fwww.google.com/?q=go+language",
&URL{
Scheme: "http",
Opaque: "%2f%2fwww.google.com/",
RawQuery: "q=go+language",
},
"http:%2f%2fwww.google.com/?q=go+language",
},
// non-authority with path
{
"mailto:/webmaster@golang.org",
&URL{
Scheme: "mailto",
Path: "/webmaster@golang.org",
},
"mailto:///webmaster@golang.org", // unfortunate compromise
},
// non-authority
{
"mailto:webmaster@golang.org",
&URL{
Scheme: "mailto",
Opaque: "webmaster@golang.org",
},
"",
},
// unescaped :// in query should not create a scheme
{
"/foo?query=http://bad",
&URL{
Path: "/foo",
RawQuery: "query=http://bad",
},
"",
},
// leading // without scheme should create an authority
{
"//foo",
&URL{
Host: "foo",
},
"",
},
// leading // without scheme, with userinfo, path, and query
{
"//user@foo/path?a=b",
&URL{
User: User("user"),
Host: "foo",
Path: "/path",
RawQuery: "a=b",
},
"",
},
// Three leading slashes isn't an authority, but doesn't return an error.
// (We can't return an error, as this code is also used via
// ServeHTTP -> ReadRequest -> Parse, which is arguably a
// different URL parsing context, but currently shares the
// same codepath)
{
"///threeslashes",
&URL{
Path: "///threeslashes",
},
"",
},
{
"http://user:password@google.com",
&URL{
Scheme: "http",
User: UserPassword("user", "password"),
Host: "google.com",
},
"http://user:password@google.com",
},
// unescaped @ in username should not confuse host
{
"http://j@ne:password@google.com",
&URL{
Scheme: "http",
User: UserPassword("j@ne", "password"),
Host: "google.com",
},
"http://j%40ne:password@google.com",
},
// unescaped @ in password should not confuse host
{
"http://jane:p@ssword@google.com",
&URL{
Scheme: "http",
User: UserPassword("jane", "p@ssword"),
Host: "google.com",
},
"http://jane:p%40ssword@google.com",
},
{
"http://j@ne:password@google.com/p@th?q=@go",
&URL{
Scheme: "http",
User: UserPassword("j@ne", "password"),
Host: "google.com",
Path: "/p@th",
RawQuery: "q=@go",
},
"http://j%40ne:password@google.com/p@th?q=@go",
},
{
"http://www.google.com/?q=go+language#foo",
&URL{
Scheme: "http",
Host: "www.google.com",
Path: "/",
RawQuery: "q=go+language",
Fragment: "foo",
},
"",
},
{
"http://www.google.com/?q=go+language#foo%26bar",
&URL{
Scheme: "http",
Host: "www.google.com",
Path: "/",
RawQuery: "q=go+language",
Fragment: "foo&bar",
},
"http://www.google.com/?q=go+language#foo&bar",
},
{
"file:///home/adg/rabbits",
&URL{
Scheme: "file",
Host: "",
Path: "/home/adg/rabbits",
},
"file:///home/adg/rabbits",
},
// "Windows" paths are no exception to the rule.
// See golang.org/issue/6027, especially comment #9.
{
"file:///C:/FooBar/Baz.txt",
&URL{
Scheme: "file",
Host: "",
Path: "/C:/FooBar/Baz.txt",
},
"file:///C:/FooBar/Baz.txt",
},
// case-insensitive scheme
{
"MaIlTo:webmaster@golang.org",
&URL{
Scheme: "mailto",
Opaque: "webmaster@golang.org",
},
"mailto:webmaster@golang.org",
},
// Relative path
{
"a/b/c",
&URL{
Path: "a/b/c",
},
"a/b/c",
},
// escaped '?' in username and password
{
"http://%3Fam:pa%3Fsword@google.com",
&URL{
Scheme: "http",
User: UserPassword("?am", "pa?sword"),
Host: "google.com",
},
"",
},
// host subcomponent; IPv4 address in RFC 3986
{
"http://192.168.0.1/",
&URL{
Scheme: "http",
Host: "192.168.0.1",
Path: "/",
},
"",
},
// host and port subcomponents; IPv4 address in RFC 3986
{
"http://192.168.0.1:8080/",
&URL{
Scheme: "http",
Host: "192.168.0.1:8080",
Path: "/",
},
"",
},
// host subcomponent; IPv6 address in RFC 3986
{
"http://[fe80::1]/",
&URL{
Scheme: "http",
Host: "[fe80::1]",
Path: "/",
},
"",
},
// host and port subcomponents; IPv6 address in RFC 3986
{
"http://[fe80::1]:8080/",
&URL{
Scheme: "http",
Host: "[fe80::1]:8080",
Path: "/",
},
"",
},
// host subcomponent; IPv6 address with zone identifier in RFC 6874
{
"http://[fe80::1%25en0]/", // alphanum zone identifier
&URL{
Scheme: "http",
Host: "[fe80::1%en0]",
Path: "/",
},
"",
},
// host and port subcomponents; IPv6 address with zone identifier in RFC 6874
{
"http://[fe80::1%25en0]:8080/", // alphanum zone identifier
&URL{
Scheme: "http",
Host: "[fe80::1%en0]:8080",
Path: "/",
},
"",
},
// host subcomponent; IPv6 address with zone identifier in RFC 6874
{
"http://[fe80::1%25%65%6e%301-._~]/", // percent-encoded+unreserved zone identifier
&URL{
Scheme: "http",
Host: "[fe80::1%en01-._~]",
Path: "/",
},
"http://[fe80::1%25en01-._~]/",
},
// host and port subcomponents; IPv6 address with zone identifier in RFC 6874
{
"http://[fe80::1%25%65%6e%301-._~]:8080/", // percent-encoded+unreserved zone identifier
&URL{
Scheme: "http",
Host: "[fe80::1%en01-._~]:8080",
Path: "/",
},
"http://[fe80::1%25en01-._~]:8080/",
},
// alternate escapings of path survive round trip
{
"http://rest.rsc.io/foo%2fbar/baz%2Fquux?alt=media",
&URL{
Scheme: "http",
Host: "rest.rsc.io",
Path: "/foo/bar/baz/quux",
RawPath: "/foo%2fbar/baz%2Fquux",
RawQuery: "alt=media",
},
"",
},
// issue 12036
{
"mysql://a,b,c/bar",
&URL{
Scheme: "mysql",
Host: "a,b,c",
Path: "/bar",
},
"",
},
// worst case host, still round trips
{
"scheme://!$&'()*+,;=hello!:port/path",
&URL{
Scheme: "scheme",
Host: "!$&'()*+,;=hello!:port",
Path: "/path",
},
"",
},
// worst case path, still round trips
{
"http://host/!$&'()*+,;=:@[hello]",
&URL{
Scheme: "http",
Host: "host",
Path: "/!$&'()*+,;=:@[hello]",
RawPath: "/!$&'()*+,;=:@[hello]",
},
"",
},
// golang.org/issue/5684
{
"http://example.com/oid/[order_id]",
&URL{
Scheme: "http",
Host: "example.com",
Path: "/oid/[order_id]",
RawPath: "/oid/[order_id]",
},
"",
},
// golang.org/issue/12200 (colon with empty port)
{
"http://192.168.0.2:8080/foo",
&URL{
Scheme: "http",
Host: "192.168.0.2:8080",
Path: "/foo",
},
"",
},
{
"http://192.168.0.2:/foo",
&URL{
Scheme: "http",
Host: "192.168.0.2:",
Path: "/foo",
},
"",
},
{
// Malformed IPv6 but still accepted.
"http://2b01:e34:ef40:7730:8e70:5aff:fefe:edac:8080/foo",
&URL{
Scheme: "http",
Host: "2b01:e34:ef40:7730:8e70:5aff:fefe:edac:8080",
Path: "/foo",
},
"",
},
{
// Malformed IPv6 but still accepted.
"http://2b01:e34:ef40:7730:8e70:5aff:fefe:edac:/foo",
&URL{
Scheme: "http",
Host: "2b01:e34:ef40:7730:8e70:5aff:fefe:edac:",
Path: "/foo",
},
"",
},
{
"http://[2b01:e34:ef40:7730:8e70:5aff:fefe:edac]:8080/foo",
&URL{
Scheme: "http",
Host: "[2b01:e34:ef40:7730:8e70:5aff:fefe:edac]:8080",
Path: "/foo",
},
"",
},
{
"http://[2b01:e34:ef40:7730:8e70:5aff:fefe:edac]:/foo",
&URL{
Scheme: "http",
Host: "[2b01:e34:ef40:7730:8e70:5aff:fefe:edac]:",
Path: "/foo",
},
"",
},
// golang.org/issue/7991 and golang.org/issue/12719 (non-ascii %-encoded in host)
{
"http://hello.世界.com/foo",
&URL{
Scheme: "http",
Host: "hello.世界.com",
Path: "/foo",
},
"http://hello.%E4%B8%96%E7%95%8C.com/foo",
},
{
"http://hello.%e4%b8%96%e7%95%8c.com/foo",
&URL{
Scheme: "http",
Host: "hello.世界.com",
Path: "/foo",
},
"http://hello.%E4%B8%96%E7%95%8C.com/foo",
},
{
"http://hello.%E4%B8%96%E7%95%8C.com/foo",
&URL{
Scheme: "http",
Host: "hello.世界.com",
Path: "/foo",
},
"",
},
// golang.org/issue/10433 (path beginning with //)
{
"http://example.com//foo",
&URL{
Scheme: "http",
Host: "example.com",
Path: "//foo",
},
"",
},
// test that we can reparse the host names we accept.
{
"myscheme://authority<\"hi\">/foo",
&URL{
Scheme: "myscheme",
Host: "authority<\"hi\">",
Path: "/foo",
},
"",
},
// spaces in hosts are disallowed but escaped spaces in IPv6 scope IDs are grudgingly OK.
// This happens on Windows.
// golang.org/issue/14002
{
"tcp://[2020::2020:20:2020:2020%25Windows%20Loves%20Spaces]:2020",
&URL{
Scheme: "tcp",
Host: "[2020::2020:20:2020:2020%Windows Loves Spaces]:2020",
},
"",
},
}
// more useful string for debugging than fmt's struct printer
func ufmt(u *URL) string {
var user, pass interface{}
if u.User != nil {
user = u.User.Username()
if p, ok := u.User.Password(); ok {
pass = p
}
}
return fmt.Sprintf("opaque=%q, scheme=%q, user=%#v, pass=%#v, host=%q, path=%q, rawpath=%q, rawq=%q, frag=%q, forcequery=%v",
u.Opaque, u.Scheme, user, pass, u.Host, u.Path, u.RawPath, u.RawQuery, u.Fragment, u.ForceQuery)
}
func BenchmarkString(b *testing.B) {
b.StopTimer()
b.ReportAllocs()
for _, tt := range urltests {
u, err := Parse(tt.in)
if err != nil {
b.Errorf("Parse(%q) returned error %s", tt.in, err)
continue
}
if tt.roundtrip == "" {
continue
}
b.StartTimer()
var g string
for i := 0; i < b.N; i++ {
g = u.String()
}
b.StopTimer()
if w := tt.roundtrip; b.N > 0 && g != w {
b.Errorf("Parse(%q).String() == %q, want %q", tt.in, g, w)
}
}
}
func TestParse(t *testing.T) {
for _, tt := range urltests {
u, err := Parse(tt.in)
if err != nil {
t.Errorf("Parse(%q) returned error %v", tt.in, err)
continue
}
if !reflect.DeepEqual(u, tt.out) {
t.Errorf("Parse(%q):\n\tgot %v\n\twant %v\n", tt.in, ufmt(u), ufmt(tt.out))
}
}
}
const pathThatLooksSchemeRelative = "//not.a.user@not.a.host/just/a/path"
var parseRequestURLTests = []struct {
url string
expectedValid bool
}{
{"http://foo.com", true},
{"http://foo.com/", true},
{"http://foo.com/path", true},
{"/", true},
{pathThatLooksSchemeRelative, true},
{"//not.a.user@%66%6f%6f.com/just/a/path/also", true},
{"*", true},
{"http://192.168.0.1/", true},
{"http://192.168.0.1:8080/", true},
{"http://[fe80::1]/", true},
{"http://[fe80::1]:8080/", true},
// Tests exercising RFC 6874 compliance:
{"http://[fe80::1%25en0]/", true}, // with alphanum zone identifier
{"http://[fe80::1%25en0]:8080/", true}, // with alphanum zone identifier
{"http://[fe80::1%25%65%6e%301-._~]/", true}, // with percent-encoded+unreserved zone identifier
{"http://[fe80::1%25%65%6e%301-._~]:8080/", true}, // with percent-encoded+unreserved zone identifier
{"foo.html", false},
{"../dir/", false},
{"http://192.168.0.%31/", false},
{"http://192.168.0.%31:8080/", false},
{"http://[fe80::%31]/", false},
{"http://[fe80::%31]:8080/", false},
{"http://[fe80::%31%25en0]/", false},
{"http://[fe80::%31%25en0]:8080/", false},
// These two cases are valid as textual representations as
// described in RFC 4007, but are not valid as address
// literals with IPv6 zone identifiers in URIs as described in
// RFC 6874.
{"http://[fe80::1%en0]/", false},
{"http://[fe80::1%en0]:8080/", false},
}
func TestParseRequestURI(t *testing.T) {
for _, test := range parseRequestURLTests {
_, err := ParseRequestURI(test.url)
if test.expectedValid && err != nil {
t.Errorf("ParseRequestURI(%q) gave err %v; want no error", test.url, err)
} else if !test.expectedValid && err == nil {
t.Errorf("ParseRequestURI(%q) gave nil error; want some error", test.url)
}
}
url, err := ParseRequestURI(pathThatLooksSchemeRelative)
if err != nil {
t.Fatalf("Unexpected error %v", err)
}
if url.Path != pathThatLooksSchemeRelative {
t.Errorf("ParseRequestURI path:\ngot %q\nwant %q", url.Path, pathThatLooksSchemeRelative)
}
}
var stringURLTests = []struct {
url URL
want string
}{
// No leading slash on path should prepend slash on String() call
{
url: URL{
Scheme: "http",
Host: "www.google.com",
Path: "search",
},
want: "http://www.google.com/search",
},
// Relative path with first element containing ":" should be prepended with "./", golang.org/issue/17184
{
url: URL{
Path: "this:that",
},
want: "./this:that",
},
// Relative path with second element containing ":" should not be prepended with "./"
{
url: URL{
Path: "here/this:that",
},
want: "here/this:that",
},
// Non-relative path with first element containing ":" should not be prepended with "./"
{
url: URL{
Scheme: "http",
Host: "www.google.com",
Path: "this:that",
},
want: "http://www.google.com/this:that",
},
}
func TestURLString(t *testing.T) {
for _, tt := range urltests {
u, err := Parse(tt.in)
if err != nil {
t.Errorf("Parse(%q) returned error %s", tt.in, err)
continue
}
expected := tt.in
if tt.roundtrip != "" {
expected = tt.roundtrip
}
s := u.String()
if s != expected {
t.Errorf("Parse(%q).String() == %q (expected %q)", tt.in, s, expected)
}
}
for _, tt := range stringURLTests {
if got := tt.url.String(); got != tt.want {
t.Errorf("%+v.String() = %q; want %q", tt.url, got, tt.want)
}
}
}
type EscapeTest struct {
in string
out string
err error
}
var unescapeTests = []EscapeTest{
{
"",
"",
nil,
},
{
"abc",
"abc",
nil,
},
{
"1%41",
"1A",
nil,
},
{
"1%41%42%43",
"1ABC",
nil,
},
{
"%4a",
"J",
nil,
},
{
"%6F",
"o",
nil,
},
{
"%", // not enough characters after %
"",
EscapeError("%"),
},
{
"%a", // not enough characters after %
"",
EscapeError("%a"),
},
{
"%1", // not enough characters after %
"",
EscapeError("%1"),
},
{
"123%45%6", // not enough characters after %
"",
EscapeError("%6"),
},
{
"%zzzzz", // invalid hex digits
"",
EscapeError("%zz"),
},
{
"a+b",
"a b",
nil,
},
{
"a%20b",
"a b",
nil,
},
}
func TestUnescape(t *testing.T) {
for _, tt := range unescapeTests {
actual, err := QueryUnescape(tt.in)
if actual != tt.out || (err != nil) != (tt.err != nil) {
t.Errorf("QueryUnescape(%q) = %q, %s; want %q, %s", tt.in, actual, err, tt.out, tt.err)
}
in := tt.in
out := tt.out
if strings.Contains(tt.in, "+") {
in = strings.Replace(tt.in, "+", "%20", -1)
actual, err := PathUnescape(in)
if actual != tt.out || (err != nil) != (tt.err != nil) {
t.Errorf("PathUnescape(%q) = %q, %s; want %q, %s", in, actual, err, tt.out, tt.err)
}
if tt.err == nil {
s, err := QueryUnescape(strings.Replace(tt.in, "+", "XXX", -1))
if err != nil {
continue
}
in = tt.in
out = strings.Replace(s, "XXX", "+", -1)
}
}
actual, err = PathUnescape(in)
if actual != out || (err != nil) != (tt.err != nil) {
t.Errorf("PathUnescape(%q) = %q, %s; want %q, %s", in, actual, err, out, tt.err)
}
}
}
var queryEscapeTests = []EscapeTest{
{
"",
"",
nil,
},
{
"abc",
"abc",
nil,
},
{
"one two",
"one+two",
nil,
},
{
"10%",
"10%25",
nil,
},
{
" ?&=#+%!<>#\"{}|\\^[]`☺\t:/@$'()*,;",
"+%3F%26%3D%23%2B%25%21%3C%3E%23%22%7B%7D%7C%5C%5E%5B%5D%60%E2%98%BA%09%3A%2F%40%24%27%28%29%2A%2C%3B",
nil,
},
}
func TestQueryEscape(t *testing.T) {
for _, tt := range queryEscapeTests {
actual := QueryEscape(tt.in)
if tt.out != actual {
t.Errorf("QueryEscape(%q) = %q, want %q", tt.in, actual, tt.out)
}
// for bonus points, verify that escape:unescape is an identity.
roundtrip, err := QueryUnescape(actual)
if roundtrip != tt.in || err != nil {
t.Errorf("QueryUnescape(%q) = %q, %s; want %q, %s", actual, roundtrip, err, tt.in, "[no error]")
}
}
}
var pathEscapeTests = []EscapeTest{
{
"",
"",
nil,
},
{
"abc",
"abc",
nil,
},
{
"abc+def",
"abc+def",
nil,
},
{
"one two",
"one%20two",
nil,
},
{
"10%",
"10%25",
nil,
},
{
" ?&=#+%!<>#\"{}|\\^[]`☺\t:/@$'()*,;",
"%20%3F&=%23+%25%21%3C%3E%23%22%7B%7D%7C%5C%5E%5B%5D%60%E2%98%BA%09:%2F@$%27%28%29%2A%2C%3B",
nil,
},
}
func TestPathEscape(t *testing.T) {
for _, tt := range pathEscapeTests {
actual := PathEscape(tt.in)
if tt.out != actual {
t.Errorf("PathEscape(%q) = %q, want %q", tt.in, actual, tt.out)
}
// for bonus points, verify that escape:unescape is an identity.
roundtrip, err := PathUnescape(actual)
if roundtrip != tt.in || err != nil {
t.Errorf("PathUnescape(%q) = %q, %s; want %q, %s", actual, roundtrip, err, tt.in, "[no error]")
}
}
}
//var userinfoTests = []UserinfoTest{
// {"user", "password", "user:password"},
// {"foo:bar", "~!@#$%^&*()_+{}|[]\\-=`:;'\"<>?,./",
// "foo%3Abar:~!%40%23$%25%5E&*()_+%7B%7D%7C%5B%5D%5C-=%60%3A;'%22%3C%3E?,.%2F"},
//}
type EncodeQueryTest struct {
m Values
expected string
}
var encodeQueryTests = []EncodeQueryTest{
{nil, ""},
{Values{"q": {"puppies"}, "oe": {"utf8"}}, "oe=utf8&q=puppies"},
{Values{"q": {"dogs", "&", "7"}}, "q=dogs&q=%26&q=7"},
{Values{
"a": {"a1", "a2", "a3"},
"b": {"b1", "b2", "b3"},
"c": {"c1", "c2", "c3"},
}, "a=a1&a=a2&a=a3&b=b1&b=b2&b=b3&c=c1&c=c2&c=c3"},
}
func TestEncodeQuery(t *testing.T) {
for _, tt := range encodeQueryTests {
if q := tt.m.Encode(); q != tt.expected {
t.Errorf(`EncodeQuery(%+v) = %q, want %q`, tt.m, q, tt.expected)
}
}
}
var resolvePathTests = []struct {
base, ref, expected string
}{
{"a/b", ".", "/a/"},
{"a/b", "c", "/a/c"},
{"a/b", "..", "/"},
{"a/", "..", "/"},
{"a/", "../..", "/"},
{"a/b/c", "..", "/a/"},
{"a/b/c", "../d", "/a/d"},
{"a/b/c", ".././d", "/a/d"},
{"a/b", "./..", "/"},
{"a/./b", ".", "/a/"},
{"a/../", ".", "/"},
{"a/.././b", "c", "/c"},
}
func TestResolvePath(t *testing.T) {
for _, test := range resolvePathTests {
got := resolvePath(test.base, test.ref)
if got != test.expected {
t.Errorf("For %q + %q got %q; expected %q", test.base, test.ref, got, test.expected)
}
}
}
var resolveReferenceTests = []struct {
base, rel, expected string
}{
// Absolute URL references
{"http://foo.com?a=b", "https://bar.com/", "https://bar.com/"},
{"http://foo.com/", "https://bar.com/?a=b", "https://bar.com/?a=b"},
{"http://foo.com/", "https://bar.com/?", "https://bar.com/?"},
{"http://foo.com/bar", "mailto:foo@example.com", "mailto:foo@example.com"},
// Path-absolute references
{"http://foo.com/bar", "/baz", "http://foo.com/baz"},
{"http://foo.com/bar?a=b#f", "/baz", "http://foo.com/baz"},
{"http://foo.com/bar?a=b", "/baz?", "http://foo.com/baz?"},
{"http://foo.com/bar?a=b", "/baz?c=d", "http://foo.com/baz?c=d"},
// Scheme-relative
{"https://foo.com/bar?a=b", "//bar.com/quux", "https://bar.com/quux"},
// Path-relative references:
// ... current directory
{"http://foo.com", ".", "http://foo.com/"},
{"http://foo.com/bar", ".", "http://foo.com/"},
{"http://foo.com/bar/", ".", "http://foo.com/bar/"},
// ... going down
{"http://foo.com", "bar", "http://foo.com/bar"},
{"http://foo.com/", "bar", "http://foo.com/bar"},
{"http://foo.com/bar/baz", "quux", "http://foo.com/bar/quux"},
// ... going up
{"http://foo.com/bar/baz", "../quux", "http://foo.com/quux"},
{"http://foo.com/bar/baz", "../../../../../quux", "http://foo.com/quux"},
{"http://foo.com/bar", "..", "http://foo.com/"},
{"http://foo.com/bar/baz", "./..", "http://foo.com/"},
// ".." in the middle (issue 3560)
{"http://foo.com/bar/baz", "quux/dotdot/../tail", "http://foo.com/bar/quux/tail"},
{"http://foo.com/bar/baz", "quux/./dotdot/../tail", "http://foo.com/bar/quux/tail"},
{"http://foo.com/bar/baz", "quux/./dotdot/.././tail", "http://foo.com/bar/quux/tail"},
{"http://foo.com/bar/baz", "quux/./dotdot/./../tail", "http://foo.com/bar/quux/tail"},
{"http://foo.com/bar/baz", "quux/./dotdot/dotdot/././../../tail", "http://foo.com/bar/quux/tail"},
{"http://foo.com/bar/baz", "quux/./dotdot/dotdot/./.././../tail", "http://foo.com/bar/quux/tail"},
{"http://foo.com/bar/baz", "quux/./dotdot/dotdot/dotdot/./../../.././././tail", "http://foo.com/bar/quux/tail"},
{"http://foo.com/bar/baz", "quux/./dotdot/../dotdot/../dot/./tail/..", "http://foo.com/bar/quux/dot/"},
// Remove any dot-segments prior to forming the target URI.
// http://tools.ietf.org/html/rfc3986#section-5.2.4
{"http://foo.com/dot/./dotdot/../foo/bar", "../baz", "http://foo.com/dot/baz"},
// Triple dot isn't special
{"http://foo.com/bar", "...", "http://foo.com/..."},
// Fragment
{"http://foo.com/bar", ".#frag", "http://foo.com/#frag"},
// Paths with escaping (issue 16947).
{"http://foo.com/foo%2fbar/", "../baz", "http://foo.com/baz"},
{"http://foo.com/1/2%2f/3%2f4/5", "../../a/b/c", "http://foo.com/1/a/b/c"},
{"http://foo.com/1/2/3", "./a%2f../../b/..%2fc", "http://foo.com/1/2/b/..%2fc"},
{"http://foo.com/1/2%2f/3%2f4/5", "./a%2f../b/../c", "http://foo.com/1/2%2f/3%2f4/a%2f../c"},
{"http://foo.com/foo%20bar/", "../baz", "http://foo.com/baz"},
{"http://foo.com/foo", "../bar%2fbaz", "http://foo.com/bar%2fbaz"},
{"http://foo.com/foo%2dbar/", "./baz-quux", "http://foo.com/foo%2dbar/baz-quux"},
// RFC 3986: Normal Examples
// http://tools.ietf.org/html/rfc3986#section-5.4.1
{"http://a/b/c/d;p?q", "g:h", "g:h"},
{"http://a/b/c/d;p?q", "g", "http://a/b/c/g"},
{"http://a/b/c/d;p?q", "./g", "http://a/b/c/g"},
{"http://a/b/c/d;p?q", "g/", "http://a/b/c/g/"},
{"http://a/b/c/d;p?q", "/g", "http://a/g"},
{"http://a/b/c/d;p?q", "//g", "http://g"},
{"http://a/b/c/d;p?q", "?y", "http://a/b/c/d;p?y"},
{"http://a/b/c/d;p?q", "g?y", "http://a/b/c/g?y"},
{"http://a/b/c/d;p?q", "#s", "http://a/b/c/d;p?q#s"},
{"http://a/b/c/d;p?q", "g#s", "http://a/b/c/g#s"},
{"http://a/b/c/d;p?q", "g?y#s", "http://a/b/c/g?y#s"},
{"http://a/b/c/d;p?q", ";x", "http://a/b/c/;x"},
{"http://a/b/c/d;p?q", "g;x", "http://a/b/c/g;x"},
{"http://a/b/c/d;p?q", "g;x?y#s", "http://a/b/c/g;x?y#s"},
{"http://a/b/c/d;p?q", "", "http://a/b/c/d;p?q"},
{"http://a/b/c/d;p?q", ".", "http://a/b/c/"},
{"http://a/b/c/d;p?q", "./", "http://a/b/c/"},
{"http://a/b/c/d;p?q", "..", "http://a/b/"},
{"http://a/b/c/d;p?q", "../", "http://a/b/"},
{"http://a/b/c/d;p?q", "../g", "http://a/b/g"},
{"http://a/b/c/d;p?q", "../..", "http://a/"},
{"http://a/b/c/d;p?q", "../../", "http://a/"},
{"http://a/b/c/d;p?q", "../../g", "http://a/g"},
// RFC 3986: Abnormal Examples
// http://tools.ietf.org/html/rfc3986#section-5.4.2
{"http://a/b/c/d;p?q", "../../../g", "http://a/g"},
{"http://a/b/c/d;p?q", "../../../../g", "http://a/g"},
{"http://a/b/c/d;p?q", "/./g", "http://a/g"},
{"http://a/b/c/d;p?q", "/../g", "http://a/g"},
{"http://a/b/c/d;p?q", "g.", "http://a/b/c/g."},
{"http://a/b/c/d;p?q", ".g", "http://a/b/c/.g"},
{"http://a/b/c/d;p?q", "g..", "http://a/b/c/g.."},
{"http://a/b/c/d;p?q", "..g", "http://a/b/c/..g"},
{"http://a/b/c/d;p?q", "./../g", "http://a/b/g"},
{"http://a/b/c/d;p?q", "./g/.", "http://a/b/c/g/"},
{"http://a/b/c/d;p?q", "g/./h", "http://a/b/c/g/h"},
{"http://a/b/c/d;p?q", "g/../h", "http://a/b/c/h"},
{"http://a/b/c/d;p?q", "g;x=1/./y", "http://a/b/c/g;x=1/y"},
{"http://a/b/c/d;p?q", "g;x=1/../y", "http://a/b/c/y"},
{"http://a/b/c/d;p?q", "g?y/./x", "http://a/b/c/g?y/./x"},
{"http://a/b/c/d;p?q", "g?y/../x", "http://a/b/c/g?y/../x"},
{"http://a/b/c/d;p?q", "g#s/./x", "http://a/b/c/g#s/./x"},
{"http://a/b/c/d;p?q", "g#s/../x", "http://a/b/c/g#s/../x"},
// Extras.
{"https://a/b/c/d;p?q", "//g?q", "https://g?q"},
{"https://a/b/c/d;p?q", "//g#s", "https://g#s"},
{"https://a/b/c/d;p?q", "//g/d/e/f?y#s", "https://g/d/e/f?y#s"},
{"https://a/b/c/d;p#s", "?y", "https://a/b/c/d;p?y"},
{"https://a/b/c/d;p?q#s", "?y", "https://a/b/c/d;p?y"},
}
func TestResolveReference(t *testing.T) {
mustParse := func(url string) *URL {
u, err := Parse(url)
if err != nil {
t.Fatalf("Parse(%q) got err %v", url, err)
}
return u
}
opaque := &URL{Scheme: "scheme", Opaque: "opaque"}
for _, test := range resolveReferenceTests {
base := mustParse(test.base)
rel := mustParse(test.rel)
url := base.ResolveReference(rel)
if got := url.String(); got != test.expected {
t.Errorf("URL(%q).ResolveReference(%q)\ngot %q\nwant %q", test.base, test.rel, got, test.expected)
}
// Ensure that new instances are returned.
if base == url {
t.Errorf("Expected URL.ResolveReference to return new URL instance.")
}
// Test the convenience wrapper too.
url, err := base.Parse(test.rel)
if err != nil {
t.Errorf("URL(%q).Parse(%q) failed: %v", test.base, test.rel, err)
} else if got := url.String(); got != test.expected {
t.Errorf("URL(%q).Parse(%q)\ngot %q\nwant %q", test.base, test.rel, got, test.expected)
} else if base == url {
// Ensure that new instances are returned for the wrapper too.
t.Errorf("Expected URL.Parse to return new URL instance.")
}
// Ensure Opaque resets the URL.
url = base.ResolveReference(opaque)
if *url != *opaque {
t.Errorf("ResolveReference failed to resolve opaque URL:\ngot %#v\nwant %#v", url, opaque)
}
// Test the convenience wrapper with an opaque URL too.
url, err = base.Parse("scheme:opaque")
if err != nil {
t.Errorf(`URL(%q).Parse("scheme:opaque") failed: %v`, test.base, err)
} else if *url != *opaque {
t.Errorf("Parse failed to resolve opaque URL:\ngot %#v\nwant %#v", opaque, url)
} else if base == url {
// Ensure that new instances are returned, again.
t.Errorf("Expected URL.Parse to return new URL instance.")
}
}
}
func TestQueryValues(t *testing.T) {
u, _ := Parse("http://x.com?foo=bar&bar=1&bar=2")
v := u.Query()
if len(v) != 2 {
t.Errorf("got %d keys in Query values, want 2", len(v))
}
if g, e := v.Get("foo"), "bar"; g != e {
t.Errorf("Get(foo) = %q, want %q", g, e)
}
// Case sensitive:
if g, e := v.Get("Foo"), ""; g != e {
t.Errorf("Get(Foo) = %q, want %q", g, e)
}
if g, e := v.Get("bar"), "1"; g != e {
t.Errorf("Get(bar) = %q, want %q", g, e)
}
if g, e := v.Get("baz"), ""; g != e {
t.Errorf("Get(baz) = %q, want %q", g, e)
}
v.Del("bar")
if g, e := v.Get("bar"), ""; g != e {
t.Errorf("second Get(bar) = %q, want %q", g, e)
}
}
type parseTest struct {
query string
out Values
}
var parseTests = []parseTest{
{
query: "a=1&b=2",
out: Values{"a": []string{"1"}, "b": []string{"2"}},
},
{
query: "a=1&a=2&a=banana",
out: Values{"a": []string{"1", "2", "banana"}},
},
{
query: "ascii=%3Ckey%3A+0x90%3E",
out: Values{"ascii": []string{"<key: 0x90>"}},
},
{
query: "a=1;b=2",
out: Values{"a": []string{"1"}, "b": []string{"2"}},
},
{
query: "a=1&a=2;a=banana",
out: Values{"a": []string{"1", "2", "banana"}},
},
}
func TestParseQuery(t *testing.T) {
for i, test := range parseTests {
form, err := ParseQuery(test.query)
if err != nil {
t.Errorf("test %d: Unexpected error: %v", i, err)
continue
}
if len(form) != len(test.out) {
t.Errorf("test %d: len(form) = %d, want %d", i, len(form), len(test.out))
}
for k, evs := range test.out {
vs, ok := form[k]
if !ok {
t.Errorf("test %d: Missing key %q", i, k)
continue
}
if len(vs) != len(evs) {
t.Errorf("test %d: len(form[%q]) = %d, want %d", i, k, len(vs), len(evs))
continue
}
for j, ev := range evs {
if v := vs[j]; v != ev {
t.Errorf("test %d: form[%q][%d] = %q, want %q", i, k, j, v, ev)
}
}
}
}
}
type RequestURITest struct {
url *URL
out string
}
var requritests = []RequestURITest{
{
&URL{
Scheme: "http",
Host: "example.com",
Path: "",
},
"/",
},
{
&URL{
Scheme: "http",
Host: "example.com",
Path: "/a b",
},
"/a%20b",
},
// golang.org/issue/4860 variant 1
{
&URL{
Scheme: "http",
Host: "example.com",
Opaque: "/%2F/%2F/",
},
"/%2F/%2F/",
},
// golang.org/issue/4860 variant 2
{
&URL{
Scheme: "http",
Host: "example.com",
Opaque: "//other.example.com/%2F/%2F/",
},
"http://other.example.com/%2F/%2F/",
},
// better fix for issue 4860
{
&URL{
Scheme: "http",
Host: "example.com",
Path: "/////",
RawPath: "/%2F/%2F/",
},
"/%2F/%2F/",
},
{
&URL{
Scheme: "http",
Host: "example.com",
Path: "/////",
RawPath: "/WRONG/", // ignored because doesn't match Path
},
"/////",
},
{
&URL{
Scheme: "http",
Host: "example.com",
Path: "/a b",
RawQuery: "q=go+language",
},
"/a%20b?q=go+language",
},
{
&URL{
Scheme: "http",
Host: "example.com",
Path: "/a b",
RawPath: "/a b", // ignored because invalid
RawQuery: "q=go+language",
},
"/a%20b?q=go+language",
},
{
&URL{
Scheme: "http",
Host: "example.com",
Path: "/a?b",
RawPath: "/a?b", // ignored because invalid
RawQuery: "q=go+language",
},
"/a%3Fb?q=go+language",
},
{
&URL{
Scheme: "myschema",
Opaque: "opaque",
},
"opaque",
},
{
&URL{
Scheme: "myschema",
Opaque: "opaque",
RawQuery: "q=go+language",
},
"opaque?q=go+language",
},
{
&URL{
Scheme: "http",
Host: "example.com",
Path: "//foo",
},
"//foo",
},
{
&URL{
Scheme: "http",
Host: "example.com",
Path: "/foo",
ForceQuery: true,
},
"/foo?",
},
}
func TestRequestURI(t *testing.T) {
for _, tt := range requritests {
s := tt.url.RequestURI()
if s != tt.out {
t.Errorf("%#v.RequestURI() == %q (expected %q)", tt.url, s, tt.out)
}
}
}
func TestParseFailure(t *testing.T) {
// Test that the first parse error is returned.
const url = "%gh&%ij"
_, err := ParseQuery(url)
errStr := fmt.Sprint(err)
if !strings.Contains(errStr, "%gh") {
t.Errorf(`ParseQuery(%q) returned error %q, want something containing %q"`, url, errStr, "%gh")
}
}
func TestParseErrors(t *testing.T) {
tests := []struct {
in string
wantErr bool
}{
{"http://[::1]", false},
{"http://[::1]:80", false},
{"http://[::1]:namedport", true}, // rfc3986 3.2.3
{"http://[::1]/", false},
{"http://[::1]a", true},
{"http://[::1]%23", true},
{"http://[::1%25en0]", false}, // valid zone id
{"http://[::1]:", false}, // colon, but no port OK
{"http://[::1]:%38%30", true}, // not allowed: % encoding only for non-ASCII
{"http://[::1%25%41]", false}, // RFC 6874 allows over-escaping in zone
{"http://[%10::1]", true}, // no %xx escapes in IP address
{"http://[::1]/%48", false}, // %xx in path is fine
{"http://%41:8080/", true}, // not allowed: % encoding only for non-ASCII
{"mysql://x@y(z:123)/foo", false}, // golang.org/issue/12023
{"mysql://x@y(1.2.3.4:123)/foo", false},
{"http://[]%20%48%54%54%50%2f%31%2e%31%0a%4d%79%48%65%61%64%65%72%3a%20%31%32%33%0a%0a/", true}, // golang.org/issue/11208
{"http://a b.com/", true}, // no space in host name please
{"cache_object://foo", true}, // scheme cannot have _, relative path cannot have : in first segment
{"cache_object:foo", true},
{"cache_object:foo/bar", true},
{"cache_object/:foo/bar", false},
}
for _, tt := range tests {
u, err := Parse(tt.in)
if tt.wantErr {
if err == nil {
t.Errorf("Parse(%q) = %#v; want an error", tt.in, u)
}
continue
}
if err != nil {
t.Logf("Parse(%q) = %v; want no error", tt.in, err)
}
}
}
// Issue 11202
func TestStarRequest(t *testing.T) {
u, err := Parse("*")
if err != nil {
t.Fatal(err)
}
if got, want := u.RequestURI(), "*"; got != want {
t.Errorf("RequestURI = %q; want %q", got, want)
}
}
type shouldEscapeTest struct {
in byte
mode encoding
escape bool
}
var shouldEscapeTests = []shouldEscapeTest{
// Unreserved characters (§2.3)
{'a', encodePath, false},
{'a', encodeUserPassword, false},
{'a', encodeQueryComponent, false},
{'a', encodeFragment, false},
{'a', encodeHost, false},
{'z', encodePath, false},
{'A', encodePath, false},
{'Z', encodePath, false},
{'0', encodePath, false},
{'9', encodePath, false},
{'-', encodePath, false},
{'-', encodeUserPassword, false},
{'-', encodeQueryComponent, false},
{'-', encodeFragment, false},
{'.', encodePath, false},
{'_', encodePath, false},
{'~', encodePath, false},
// User information (§3.2.1)
{':', encodeUserPassword, true},
{'/', encodeUserPassword, true},
{'?', encodeUserPassword, true},
{'@', encodeUserPassword, true},
{'$', encodeUserPassword, false},
{'&', encodeUserPassword, false},
{'+', encodeUserPassword, false},
{',', encodeUserPassword, false},
{';', encodeUserPassword, false},
{'=', encodeUserPassword, false},
// Host (IP address, IPv6 address, registered name, port suffix; §3.2.2)
{'!', encodeHost, false},
{'$', encodeHost, false},
{'&', encodeHost, false},
{'\'', encodeHost, false},
{'(', encodeHost, false},
{')', encodeHost, false},
{'*', encodeHost, false},
{'+', encodeHost, false},
{',', encodeHost, false},
{';', encodeHost, false},
{'=', encodeHost, false},
{':', encodeHost, false},
{'[', encodeHost, false},
{']', encodeHost, false},
{'0', encodeHost, false},
{'9', encodeHost, false},
{'A', encodeHost, false},
{'z', encodeHost, false},
{'_', encodeHost, false},
{'-', encodeHost, false},
{'.', encodeHost, false},
}
func TestShouldEscape(t *testing.T) {
for _, tt := range shouldEscapeTests {
if shouldEscape(tt.in, tt.mode) != tt.escape {
t.Errorf("shouldEscape(%q, %v) returned %v; expected %v", tt.in, tt.mode, !tt.escape, tt.escape)
}
}
}
type timeoutError struct {
timeout bool
}
func (e *timeoutError) Error() string { return "timeout error" }
func (e *timeoutError) Timeout() bool { return e.timeout }
type temporaryError struct {
temporary bool
}
func (e *temporaryError) Error() string { return "temporary error" }
func (e *temporaryError) Temporary() bool { return e.temporary }
type timeoutTemporaryError struct {
timeoutError
temporaryError
}
func (e *timeoutTemporaryError) Error() string { return "timeout/temporary error" }
var netErrorTests = []struct {
err error
timeout bool
temporary bool
}{{
err: &Error{"Get", "http://google.com/", &timeoutError{timeout: true}},
timeout: true,
temporary: false,
}, {
err: &Error{"Get", "http://google.com/", &timeoutError{timeout: false}},
timeout: false,
temporary: false,
}, {
err: &Error{"Get", "http://google.com/", &temporaryError{temporary: true}},
timeout: false,
temporary: true,
}, {
err: &Error{"Get", "http://google.com/", &temporaryError{temporary: false}},
timeout: false,
temporary: false,
}, {
err: &Error{"Get", "http://google.com/", &timeoutTemporaryError{timeoutError{timeout: true}, temporaryError{temporary: true}}},
timeout: true,
temporary: true,
}, {
err: &Error{"Get", "http://google.com/", &timeoutTemporaryError{timeoutError{timeout: false}, temporaryError{temporary: true}}},
timeout: false,
temporary: true,
}, {
err: &Error{"Get", "http://google.com/", &timeoutTemporaryError{timeoutError{timeout: true}, temporaryError{temporary: false}}},
timeout: true,
temporary: false,
}, {
err: &Error{"Get", "http://google.com/", &timeoutTemporaryError{timeoutError{timeout: false}, temporaryError{temporary: false}}},
timeout: false,
temporary: false,
}, {
err: &Error{"Get", "http://google.com/", io.EOF},
timeout: false,
temporary: false,
}}
// Test that url.Error implements net.Error and that it forwards
func TestURLErrorImplementsNetError(t *testing.T) {
for i, tt := range netErrorTests {
err, ok := tt.err.(net.Error)
if !ok {
t.Errorf("%d: %T does not implement net.Error", i+1, tt.err)
continue
}
if err.Timeout() != tt.timeout {
t.Errorf("%d: err.Timeout(): got %v, want %v", i+1, err.Timeout(), tt.timeout)
continue
}
if err.Temporary() != tt.temporary {
t.Errorf("%d: err.Temporary(): got %v, want %v", i+1, err.Temporary(), tt.temporary)
}
}
}
func TestURLHostname(t *testing.T) {
tests := []struct {
host string // URL.Host field
want string
}{
{"foo.com:80", "foo.com"},
{"foo.com", "foo.com"},
{"FOO.COM", "FOO.COM"}, // no canonicalization (yet?)
{"1.2.3.4", "1.2.3.4"},
{"1.2.3.4:80", "1.2.3.4"},
{"[1:2:3:4]", "1:2:3:4"},
{"[1:2:3:4]:80", "1:2:3:4"},
{"[::1]:80", "::1"},
}
for _, tt := range tests {
u := &URL{Host: tt.host}
got := u.Hostname()
if got != tt.want {
t.Errorf("Hostname for Host %q = %q; want %q", tt.host, got, tt.want)
}
}
}
func TestURLPort(t *testing.T) {
tests := []struct {
host string // URL.Host field
want string
}{
{"foo.com", ""},
{"foo.com:80", "80"},
{"1.2.3.4", ""},
{"1.2.3.4:80", "80"},
{"[1:2:3:4]", ""},
{"[1:2:3:4]:80", "80"},
}
for _, tt := range tests {
u := &URL{Host: tt.host}
got := u.Port()
if got != tt.want {
t.Errorf("Port for Host %q = %q; want %q", tt.host, got, tt.want)
}
}
}
var _ encodingPkg.BinaryMarshaler = (*URL)(nil)
var _ encodingPkg.BinaryUnmarshaler = (*URL)(nil)
func TestJSON(t *testing.T) {
u, err := Parse("https://www.google.com/x?y=z")
if err != nil {
t.Fatal(err)
}
js, err := json.Marshal(u)
if err != nil {
t.Fatal(err)
}
// If only we could implement TextMarshaler/TextUnmarshaler,
// this would work:
//
// if string(js) != strconv.Quote(u.String()) {
// t.Errorf("json encoding: %s\nwant: %s\n", js, strconv.Quote(u.String()))
// }
u1 := new(URL)
err = json.Unmarshal(js, u1)
if err != nil {
t.Fatal(err)
}
if u1.String() != u.String() {
t.Errorf("json decoded to: %s\nwant: %s\n", u1, u)
}
}
func TestGob(t *testing.T) {
u, err := Parse("https://www.google.com/x?y=z")
if err != nil {
t.Fatal(err)
}
var w bytes.Buffer
err = gob.NewEncoder(&w).Encode(u)
if err != nil {
t.Fatal(err)
}
u1 := new(URL)
err = gob.NewDecoder(&w).Decode(u1)
if err != nil {
t.Fatal(err)
}
if u1.String() != u.String() {
t.Errorf("json decoded to: %s\nwant: %s\n", u1, u)
}
}
func TestInvalidUserPassword(t *testing.T) {
_, err := Parse("http://us\ner:pass\nword@foo.com/")
if got, wantsub := fmt.Sprint(err), "net/url: invalid userinfo"; !strings.Contains(got, wantsub) {
t.Errorf("error = %q; want substring %q", got, wantsub)
}
}