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xurls_test.go
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xurls_test.go
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// Copyright (c) 2015, Daniel Martí <[email protected]>
// See LICENSE for licensing information
package xurls
import (
"fmt"
"regexp"
"sync"
"testing"
)
type testCase struct {
in string
want interface{}
}
func wantStr(in string, want interface{}) string {
switch x := want.(type) {
case string:
return x
case bool:
if x {
return in
}
}
return ""
}
func doTest(t *testing.T, name string, re *regexp.Regexp, cases []testCase) {
for i, c := range cases {
t.Run(fmt.Sprintf("%s/%03d", name, i), func(t *testing.T) {
want := wantStr(c.in, c.want)
for _, surround := range []string{"", "\n"} {
in := surround + c.in + surround
got := re.FindString(in)
if got != want {
t.Errorf(`FindString(%q) got %q, want %q`, in, got, want)
}
}
})
}
}
var constantTestCases = []testCase{
{``, nil},
{` `, nil},
{`:`, nil},
{`::`, nil},
{`:::`, nil},
{`::::`, nil},
{`.`, nil},
{`..`, nil},
{`...`, nil},
{`1.1`, nil},
{`.1.`, nil},
{`1.1.1`, nil},
{`1:1`, nil},
{`:1:`, nil},
{`1:1:1`, nil},
{`://`, nil},
{`foo`, nil},
{`foo:`, nil},
{`mailto:`, nil},
{`foo://`, nil},
{`http://`, nil},
{`http:// foo`, nil},
{`http:// foo`, nil},
{`:foo`, nil},
{`://foo`, nil},
{`foorandom:bar`, nil},
{`foo.randombar`, nil},
{`zzz.`, nil},
{`.zzz`, nil},
{`zzz.zzz`, nil},
{`/some/path`, nil},
{`rel/path`, nil},
{`localhost`, nil},
{`com`, nil},
{`.com`, nil},
{`com.`, nil},
{`http`, nil},
{`http://foo`, true},
{`http://FOO`, true},
{`http://FAÀ`, true},
{`https://localhost`, true},
{`mailto:foo`, true},
{`MAILTO:foo`, true},
{`sms:123`, true},
{`xmpp:foo@bar`, true},
{`bitcoin:Addr23?amount=1&message=foo`, true},
{`cid:foo-32x32.v2_fe0f1423.png`, true},
{`mid:[email protected]`, true},
{`http://foo.com`, true},
{`http://foo.co.uk`, true},
{`http://foo.random`, true},
{` http://foo.com/bar `, `http://foo.com/bar`},
{` http://foo.com/bar more`, `http://foo.com/bar`},
{`<http://foo.com/bar>`, `http://foo.com/bar`},
{`<http://foo.com/bar>more`, `http://foo.com/bar`},
{`.http://foo.com/bar.`, `http://foo.com/bar`},
{`.http://foo.com/bar.more`, `http://foo.com/bar.more`},
{`,http://foo.com/bar,`, `http://foo.com/bar`},
{`,http://foo.com/bar,more`, `http://foo.com/bar,more`},
{`*http://foo.com/bar*`, `http://foo.com/bar`},
{`*http://foo.com/bar*more`, `http://foo.com/bar*more`},
{`_http://foo.com/bar_`, `http://foo.com/bar_`},
{`_http://foo.com/bar_more`, `http://foo.com/bar_more`},
{`(http://foo.com/bar)`, `http://foo.com/bar`},
{`(http://foo.com/bar)more`, `http://foo.com/bar`},
{`[http://foo.com/bar]`, `http://foo.com/bar`},
{`[http://foo.com/bar]more`, `http://foo.com/bar`},
{`'http://foo.com/bar'`, `http://foo.com/bar`},
{`'http://foo.com/bar'more`, `http://foo.com/bar'more`},
{`"http://foo.com/bar"`, `http://foo.com/bar`},
{`"http://foo.com/bar"more`, `http://foo.com/bar`},
{`{"url":"http://foo.com/bar"}`, `http://foo.com/bar`},
{`{"before":"foo","url":"http://foo.com/bar","after":"bar"}`, `http://foo.com/bar`},
{`http://a.b/a0/-+_&~*%=#@.,:;'?![]()a`, true},
{`http://a.b/a0/$€¥`, true},
{`http://✪foo.bar/pa✪th©more`, true},
{`http://foo.bar/path/`, true},
{`http://foo.bar/path-`, true},
{`http://foo.bar/path+`, true},
{`http://foo.bar/path&`, true},
{`http://foo.bar/path~`, true},
{`http://foo.bar/path%`, true},
{`http://foo.bar/path=`, true},
{`http://foo.bar/path#`, true},
{`http://foo.bar/path.`, `http://foo.bar/path`},
{`http://foo.bar/path,`, `http://foo.bar/path`},
{`http://foo.bar/path:`, `http://foo.bar/path`},
{`http://foo.bar/path;`, `http://foo.bar/path`},
{`http://foo.bar/path'`, `http://foo.bar/path`},
{`http://foo.bar/path?`, `http://foo.bar/path`},
{`http://foo.bar/path!`, `http://foo.bar/path`},
{`http://foo.bar/path@`, `http://foo.bar/path`},
{`http://foo.bar/path|`, `http://foo.bar/path`},
{`http://foo.bar/path|more`, `http://foo.bar/path`},
{`http://foo.bar/path<`, `http://foo.bar/path`},
{`http://foo.bar/path<more`, `http://foo.bar/path`},
{`http://foo.com/path_(more)`, true},
{`(http://foo.com/path_(more))`, `http://foo.com/path_(more)`},
{`http://foo.com/path_(even)-(more)`, true},
{`http://foo.com/path_(even)(more)`, true},
{`http://foo.com/path_(even_(nested))`, true},
{`(http://foo.com/path_(even_(nested)))`, `http://foo.com/path_(even_(nested))`},
{`http://foo.com/path_[more]`, true},
{`[http://foo.com/path_[more]]`, `http://foo.com/path_[more]`},
{`http://foo.com/path_[even]-[more]`, true},
{`http://foo.com/path_[even][more]`, true},
{`http://foo.com/path_[even_[nested]]`, true},
{`[http://foo.com/path_[even_[nested]]]`, `http://foo.com/path_[even_[nested]]`},
{`http://foo.com/path_{more}`, true},
{`{http://foo.com/path_{more}}`, `http://foo.com/path_{more}`},
{`http://foo.com/path_{even}-{more}`, true},
{`http://foo.com/path_{even}{more}`, true},
{`http://foo.com/path_{even_{nested}}`, true},
{`{http://foo.com/path_{even_{nested}}}`, `http://foo.com/path_{even_{nested}}`},
{`http://foo.com/path#fragment`, true},
{`http://foo.com/emptyfrag#`, true},
{`http://foo.com/spaced%20path`, true},
{`http://foo.com/?p=spaced%20param`, true},
{`http://test.foo.com/`, true},
{`http://foo.com/path`, true},
{`http://foo.com:8080/path`, true},
{`http://1.1.1.1/path`, true},
{`http://1.1.1.1:8080/path`, true},
{`http://[1080::8:800:200c:417a]/path`, true},
{`http://[1080::8:800:200c:417a]:8080/path`, true},
// scheme://IPv6_addr is not valid per RFC 3987, but is supported anyway (for now).
{`http://1080::8:800:200c:417a/path`, true},
{`http://2001.db8:0/path`, true},
{`http://中国.中国/中国`, true},
{`http://中国.中国/foo中国`, true},
{`http://उदाहरण.परीकषा`, true},
{`http://xn-foo.xn--p1acf/path`, true},
{`what is http://foo.com?`, `http://foo.com`},
{`go visit http://foo.com/path.`, `http://foo.com/path`},
{`go visit http://foo.com/path...`, `http://foo.com/path`},
{`what is http://foo.com/path?`, `http://foo.com/path`},
{`the http://foo.com!`, `http://foo.com`},
{`https://test.foo.bar/path?a=b`, `https://test.foo.bar/path?a=b`},
{`ftp://[email protected]`, true},
{`http://foo.com/base64-bCBwbGVhcw==`, true},
{`http://foo.com/–`, true},
{`http://foo.com/🐼`, true},
{`https://shmibbles.me/tmp/自殺でも？.png`, true},
{`randomtexthttp://foo.bar/etc`, "http://foo.bar/etc"},
{`postgres://user:[email protected]:5432/path?k=v#f`, true},
{`postgres://user:[email protected]:5432/path?k=v#f`, true},
{`zoommtg://zoom.us/join?confno=1234&pwd=xxx`, true},
{`zoomus://zoom.us/join?confno=1234&pwd=xxx`, true},
}
func TestRegexes(t *testing.T) {
doTest(t, "Relaxed", Relaxed(), constantTestCases)
doTest(t, "Strict", Strict(), constantTestCases)
doTest(t, "Relaxed2", Relaxed(), []testCase{
{`foo.a`, nil},
{`foo.com`, true},
{`foo.com bar.com`, `foo.com`},
{`foo.com-foo`, `foo.com`},
{`foo.company`, true},
{`foo.comrandom`, nil},
{`some.guy`, nil},
{`foo.example`, true},
{`foo.i2p`, true},
{`foo.local`, true},
{`foo.onion`, true},
{`中国.中国`, true},
{`中国.中国/foo中国`, true},
{`test.联通`, true},
{`test.联通 extra`, `test.联通`},
{`test.xn--8y0a063a`, true},
{`test.xn--8y0a063a/foobar`, true},
{`test.xn-foo`, nil},
{`test.xn--`, nil},
{`foo.com/`, true},
{`1.1.1.1`, true},
{`10.50.23.250`, true},
{`121.1.1.1`, true},
{`255.1.1.1`, true},
{`300.1.1.1`, nil},
{`1.1.1.300`, nil},
{`[email protected]`, `1.2.3.4`},
// https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml
{`::1`, true},
//{`::`, true},
{`::ffff:0:0`, true},
{`64:ff9b::`, true},
{`64:ff9b:1::`, true},
{`100::`, true},
{`2001::`, true},
{`2001:1::1`, true},
{`2001:1::2`, true},
{`2001:2::`, true},
{`2001:3::`, true},
{`2001:4:112::`, true},
{`2001:10::`, true},
{`2001:20::`, true},
{`2001:db8::`, true},
{`2002::`, true},
{`2620:4f:8000::`, true},
{`fc00::`, true},
{`fe80::`, true},
// https://datatracker.ietf.org/doc/html/rfc4291#section-2.2
{`ABCD:EF01:2345:6789:ABCD:EF01:2345:6789`, true},
{`2001:DB8:0:0:8:800:200C:417A`, true},
{`2001:DB8:0:0:8:800:200C:417A`, true}, // a unicast address
{`FF01:0:0:0:0:0:0:101`, true}, // a multicast address
{`0:0:0:0:0:0:0:1`, true}, // the loopback address
{`0:0:0:0:0:0:0:0`, true}, // the unspecified address
{`2001:DB8::8:800:200C:417A`, true}, // a unicast address
{`FF01::101`, true}, // a multicast address
{`::1`, true}, // the loopback address
//{`::`, true}, // the unspecified address
{`::`, nil},
{`0:0:0:0:0:0:13.1.68.3`, true},
{`0:0:0:0:0:FFFF:129.144.52.38`, true},
{`::13.1.68.3`, true},
{`::FFFF:129.144.52.38`, true},
// https://datatracker.ietf.org/doc/html/rfc5952#section-1
{`2001:db8:0:0:1:0:0:1`, true},
{`2001:0db8:0:0:1:0:0:1`, true},
{`2001:db8::1:0:0:1`, true},
{`2001:db8::0:1:0:0:1`, true},
{`2001:0db8::1:0:0:1`, true},
{`2001:db8:0:0:1::1`, true},
{`2001:db8:0000:0:1::1`, true},
{`2001:DB8:0:0:1::1`, true},
// https://datatracker.ietf.org/doc/html/rfc5952#section-2.1
{`2001:db8:aaaa:bbbb:cccc:dddd:eeee:0001`, true},
{`2001:db8:aaaa:bbbb:cccc:dddd:eeee:001`, true},
{`2001:db8:aaaa:bbbb:cccc:dddd:eeee:01`, true},
{`2001:db8:aaaa:bbbb:cccc:dddd:eeee:1`, true},
// https://datatracker.ietf.org/doc/html/rfc5952#section-2.2
{`2001:db8:aaaa:bbbb:cccc:dddd::1`, true},
{`2001:db8:aaaa:bbbb:cccc:dddd:0:1`, true},
{`2001:db8:0:0:0::1`, true},
{`2001:db8:0:0::1`, true},
{`2001:db8:0::1`, true},
{`2001:db8::1`, true},
{`2001:db8::aaaa:0:0:1`, true},
{`2001:db8:0:0:aaaa::1`, true},
// https://datatracker.ietf.org/doc/html/rfc5952#section-2.3
{`2001:db8:aaaa:bbbb:cccc:dddd:eeee:aaaa`, true},
{`2001:db8:aaaa:bbbb:cccc:dddd:eeee:AAAA`, true},
{`2001:db8:aaaa:bbbb:cccc:dddd:eeee:AaAa`, true},
// An IP address in URI host position must be bracketed unless it is IPv4.
// https://www.rfc-editor.org/rfc/rfc3986#section-3.2.2
// TODO: Implement this restriction, ideally without matching the `http://1080` prefix.
//{`http://1080::8:800:200c:417a/path`, `1080::8:800:200c:417a`},
{`foo.com:8080`, true},
{`foo.com:8080/path`, true},
{`test.foo.com`, true},
{`test.foo.com/path`, true},
{`test.foo.com/path/more/`, true},
{`TEST.FOO.COM/PATH`, true},
{`TEST.FÓO.COM/PÁTH`, true},
{`foo.com/path_(more)`, true},
{`foo.com/path_(even)_(more)`, true},
{`foo.com/path_(more)/more`, true},
{`foo.com/path_(more)/end)`, `foo.com/path_(more)/end`},
{`www.foo.com`, true},
{` foo.com/bar `, `foo.com/bar`},
{` foo.com/bar more`, `foo.com/bar`},
{`<foo.com/bar>`, `foo.com/bar`},
{`<foo.com/bar>more`, `foo.com/bar`},
{`,foo.com/bar.`, `foo.com/bar`},
{`,foo.com/bar.more`, `foo.com/bar.more`},
{`,foo.com/bar,`, `foo.com/bar`},
{`,foo.com/bar,more`, `foo.com/bar,more`},
{`(foo.com/bar)`, `foo.com/bar`},
{`"foo.com/bar'`, `foo.com/bar`},
{`"foo.com/bar'more`, `foo.com/bar'more`},
{`"foo.com/bar"`, `foo.com/bar`},
{`what is foo.com?`, `foo.com`},
{`the foo.com!`, `foo.com`},
{`foo@bar`, nil},
{`[email protected]`, nil},
{`[email protected]`, true},
{`[email protected]`, true},
{`[email protected]`, true},
{`foo@中国.中国`, true},
{`[email protected]`, true},
{`[email protected]`, true},
{`[email protected]/path`, `[email protected]`},
{`[email protected]`, true},
{`foo+._%[email protected]`, true},
})
doTest(t, "Strict2", Strict(), []testCase{
{`http:// foo.com`, nil},
{`foo.a`, nil},
{`foo.com`, nil},
{`foo.com/`, nil},
{`1.1.1.1`, nil},
{`3ffe:2a00:100:7031::1`, nil},
{`test.foo.com:8080/path`, nil},
{`[email protected]`, nil},
// An IP address in URI host position must be bracketed unless it is IPv4.
// https://www.rfc-editor.org/rfc/rfc3986#section-3.2.2
// TODO: Implement this restriction, ideally without matching the `http://1080` prefix.
//{`http://1080::8:800:200c:417a/path`, nil},
})
}
func TestStrictMatchingSchemeError(t *testing.T) {
for _, c := range []struct {
exp string
wantErr bool
}{
{`http://`, false},
{`https?://`, false},
{`http://|mailto:`, false},
{`http://(`, true},
} {
_, err := StrictMatchingScheme(c.exp)
if c.wantErr && err == nil {
t.Errorf(`StrictMatchingScheme("%s") did not error as expected`, c.exp)
} else if !c.wantErr && err != nil {
t.Errorf(`StrictMatchingScheme("%s") unexpectedly errored`, c.exp)
}
}
}
func TestStrictMatchingScheme(t *testing.T) {
strictMatching, _ := StrictMatchingScheme("http://|ftps?://|mailto:")
doTest(t, "StrictMatchingScheme", strictMatching, []testCase{
{`foo.com`, nil},
{`[email protected]`, nil},
{`http://foo`, true},
{`Http://foo`, true},
{`https://foo`, nil},
{`ftp://foo`, true},
{`ftps://foo`, true},
{`mailto:foo`, true},
{`MAILTO:foo`, true},
{`sms:123`, nil},
})
}
func TestStrictMatchingSchemeAny(t *testing.T) {
strictMatching, _ := StrictMatchingScheme(AnyScheme)
doTest(t, "StrictMatchingScheme", strictMatching, []testCase{
{`http://foo`, true},
{`git+https://foo`, true},
{`randomtexthttp://foo.bar/etc`, true},
{`mailto:foo`, true},
})
}
func bench(b *testing.B, re func() *regexp.Regexp, str string) {
b.ReportAllocs()
b.SetBytes(int64(len(str)))
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
re().FindAllString(str, -1)
}
})
}
const inputNone = `
foo bar
yaml: "as well"
some more plaintext
which does not contain any urls.
`
const inputMany = `
foo bar http://foo.foo https://192.168.1.1/path
foo.com bitcoin:address ftp://
xmpp:[email protected]
`
func BenchmarkStrict_none(b *testing.B) {
bench(b, Strict, inputNone)
}
func BenchmarkStrict_many(b *testing.B) {
bench(b, Strict, inputMany)
}
func BenchmarkRelaxed_none(b *testing.B) {
bench(b, Relaxed, inputNone)
}
func BenchmarkRelaxed_many(b *testing.B) {
bench(b, Relaxed, inputMany)
}
var (
rxMatchingScheme *regexp.Regexp
rxMatchingSchemeOnce sync.Once
)
func matchingScheme() *regexp.Regexp {
rxMatchingSchemeOnce.Do(func() {
rx, err := StrictMatchingScheme("https?://")
if err != nil {
panic(err)
}
rxMatchingScheme = rx
})
return rxMatchingScheme
}
func BenchmarkStrictMatchingScheme_none(b *testing.B) {
bench(b, matchingScheme, inputNone)
}
func BenchmarkStrictMatchingScheme_many(b *testing.B) {
bench(b, matchingScheme, inputMany)
}