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// Copyright 2010 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 mime
import (
"reflect"
"testing"
)
func TestConsumeToken(t *testing.T) {
tests := [...][3]string{
{"foo bar", "foo", " bar"},
{"bar", "bar", ""},
{"", "", ""},
{" foo", "", " foo"},
}
for _, test := range tests {
token, rest := consumeToken(test[0])
expectedToken := test[1]
expectedRest := test[2]
if token != expectedToken {
t.Errorf("expected to consume token '%s', not '%s' from '%s'",
expectedToken, token, test[0])
} else if rest != expectedRest {
t.Errorf("expected to have left '%s', not '%s' after reading token '%s' from '%s'",
expectedRest, rest, token, test[0])
}
}
}
func TestConsumeValue(t *testing.T) {
tests := [...][3]string{
{"foo bar", "foo", " bar"},
{"bar", "bar", ""},
{" bar ", "", " bar "},
{`"My value"end`, "My value", "end"},
{`"My value" end`, "My value", " end"},
{`"\\" rest`, "\\", " rest"},
{`"My \" value"end`, "My \" value", "end"},
{`"\" rest`, "", `"\" rest`},
}
for _, test := range tests {
value, rest := consumeValue(test[0])
expectedValue := test[1]
expectedRest := test[2]
if value != expectedValue {
t.Errorf("expected to consume value [%s], not [%s] from [%s]",
expectedValue, value, test[0])
} else if rest != expectedRest {
t.Errorf("expected to have left [%s], not [%s] after reading value [%s] from [%s]",
expectedRest, rest, value, test[0])
}
}
}
func TestConsumeMediaParam(t *testing.T) {
tests := [...][4]string{
{" ; foo=bar", "foo", "bar", ""},
{"; foo=bar", "foo", "bar", ""},
{";foo=bar", "foo", "bar", ""},
{";FOO=bar", "foo", "bar", ""},
{`;foo="bar"`, "foo", "bar", ""},
{`;foo="bar"; `, "foo", "bar", "; "},
{`;foo="bar"; foo=baz`, "foo", "bar", "; foo=baz"},
{` ; boundary=----CUT;`, "boundary", "----CUT", ";"},
{` ; key=value; blah="value";name="foo" `, "key", "value", `; blah="value";name="foo" `},
{`; blah="value";name="foo" `, "blah", "value", `;name="foo" `},
{`;name="foo" `, "name", "foo", ` `},
}
for _, test := range tests {
param, value, rest := consumeMediaParam(test[0])
expectedParam := test[1]
expectedValue := test[2]
expectedRest := test[3]
if param != expectedParam {
t.Errorf("expected to consume param [%s], not [%s] from [%s]",
expectedParam, param, test[0])
} else if value != expectedValue {
t.Errorf("expected to consume value [%s], not [%s] from [%s]",
expectedValue, value, test[0])
} else if rest != expectedRest {
t.Errorf("expected to have left [%s], not [%s] after reading [%s/%s] from [%s]",
expectedRest, rest, param, value, test[0])
}
}
}
type mediaTypeTest struct {
in string
t string
p map[string]string
}
func TestParseMediaType(t *testing.T) {
// Convenience map initializer
m := func(s ...string) map[string]string {
sm := make(map[string]string)
for i := 0; i < len(s); i += 2 {
sm[s[i]] = s[i+1]
}
return sm
}
nameFoo := map[string]string{"name": "foo"}
tests := []mediaTypeTest{
{`form-data; name="foo"`, "form-data", nameFoo},
{` form-data ; name=foo`, "form-data", nameFoo},
{`FORM-DATA;name="foo"`, "form-data", nameFoo},
{` FORM-DATA ; name="foo"`, "form-data", nameFoo},
{` FORM-DATA ; name="foo"`, "form-data", nameFoo},
{`form-data; key=value; blah="value";name="foo" `,
"form-data",
m("key", "value", "blah", "value", "name", "foo")},
{`foo; key=val1; key=the-key-appears-again-which-is-bogus`,
"", m()},
// From RFC 2231:
{`application/x-stuff; title*=us-ascii'en-us'This%20is%20%2A%2A%2Afun%2A%2A%2A`,
"application/x-stuff",
m("title", "This is ***fun***")},
{`message/external-body; access-type=URL; ` +
`URL*0="ftp://";` +
`URL*1="cs.utk.edu/pub/moore/bulk-mailer/bulk-mailer.tar"`,
"message/external-body",
m("access-type", "URL",
"url", "ftp://cs.utk.edu/pub/moore/bulk-mailer/bulk-mailer.tar")},
{`application/x-stuff; ` +
`title*0*=us-ascii'en'This%20is%20even%20more%20; ` +
`title*1*=%2A%2A%2Afun%2A%2A%2A%20; ` +
`title*2="isn't it!"`,
"application/x-stuff",
m("title", "This is even more ***fun*** isn't it!")},
// Tests from http://greenbytes.de/tech/tc2231/
// TODO(bradfitz): add the rest of the tests from that site.
{`attachment; filename="f\oo.html"`,
"attachment",
m("filename", "foo.html")},
{`attachment; filename="\"quoting\" tested.html"`,
"attachment",
m("filename", `"quoting" tested.html`)},
{`attachment; filename="Here's a semicolon;.html"`,
"attachment",
m("filename", "Here's a semicolon;.html")},
{`attachment; foo="\"\\";filename="foo.html"`,
"attachment",
m("foo", "\"\\", "filename", "foo.html")},
{`attachment; filename=foo.html`,
"attachment",
m("filename", "foo.html")},
{`attachment; filename=foo.html ;`,
"attachment",
m("filename", "foo.html")},
{`attachment; filename='foo.html'`,
"attachment",
m("filename", "foo.html")},
{`attachment; filename="foo-%41.html"`,
"attachment",
m("filename", "foo-%41.html")},
{`attachment; filename="foo-%\41.html"`,
"attachment",
m("filename", "foo-%41.html")},
{`filename=foo.html`,
"", m()},
{`x=y; filename=foo.html`,
"", m()},
{`"foo; filename=bar;baz"; filename=qux`,
"", m()},
{`inline; attachment; filename=foo.html`,
"", m()},
{`attachment; filename="foo.html".txt`,
"", m()},
{`attachment; filename="bar`,
"", m()},
{`attachment; creation-date="Wed, 12 Feb 1997 16:29:51 -0500"`,
"attachment",
m("creation-date", "Wed, 12 Feb 1997 16:29:51 -0500")},
{`foobar`, "foobar", m()},
{`attachment; filename* =UTF-8''foo-%c3%a4.html`,
"attachment",
m("filename", "foo-ä.html")},
{`attachment; filename*=UTF-8''A-%2541.html`,
"attachment",
m("filename", "A-%41.html")},
{`attachment; filename*0="foo."; filename*1="html"`,
"attachment",
m("filename", "foo.html")},
{`attachment; filename*0*=UTF-8''foo-%c3%a4; filename*1=".html"`,
"attachment",
m("filename", "foo-ä.html")},
{`attachment; filename*0="foo"; filename*01="bar"`,
"attachment",
m("filename", "foo")},
{`attachment; filename*0="foo"; filename*2="bar"`,
"attachment",
m("filename", "foo")},
{`attachment; filename*1="foo"; filename*2="bar"`,
"attachment", m()},
{`attachment; filename*1="bar"; filename*0="foo"`,
"attachment",
m("filename", "foobar")},
{`attachment; filename="foo-ae.html"; filename*=UTF-8''foo-%c3%a4.html`,
"attachment",
m("filename", "foo-ä.html")},
{`attachment; filename*=UTF-8''foo-%c3%a4.html; filename="foo-ae.html"`,
"attachment",
m("filename", "foo-ä.html")},
// Browsers also just send UTF-8 directly without RFC 2231,
// at least when the source page is served with UTF-8.
{`form-data; firstname="Брэд"; lastname="Фицпатрик"`,
"form-data",
m("firstname", "Брэд", "lastname", "Фицпатрик")},
}
for _, test := range tests {
mt, params, err := ParseMediaType(test.in)
if err != nil {
if test.t != "" {
t.Errorf("for input %q, unexpected error: %v", test.in, err)
continue
}
continue
}
if g, e := mt, test.t; g != e {
t.Errorf("for input %q, expected type %q, got %q",
test.in, e, g)
continue
}
if len(params) == 0 && len(test.p) == 0 {
continue
}
if !reflect.DeepEqual(params, test.p) {
t.Errorf("for input %q, wrong params.\n"+
"expected: %#v\n"+
" got: %#v",
test.in, test.p, params)
}
}
}
type badMediaTypeTest struct {
in string
err string
}
var badMediaTypeTests = []badMediaTypeTest{
{"bogus ;=========", "mime: invalid media parameter"},
{"bogus/<script>alert</script>", "mime: expected token after slash"},
{"bogus/bogus<script>alert</script>", "mime: unexpected content after media subtype"},
}
func TestParseMediaTypeBogus(t *testing.T) {
for _, tt := range badMediaTypeTests {
mt, params, err := ParseMediaType(tt.in)
if err == nil {
t.Errorf("ParseMediaType(%q) = nil error; want parse error", tt.in)
continue
}
if err.Error() != tt.err {
t.Errorf("ParseMediaType(%q) = err %q; want %q", tt.in, err.Error(), tt.err)
}
if params != nil {
t.Errorf("ParseMediaType(%q): got non-nil params on error", tt.in)
}
if mt != "" {
t.Errorf("ParseMediaType(%q): got non-empty media type string on error", tt.in)
}
}
}
type formatTest struct {
typ string
params map[string]string
want string
}
var formatTests = []formatTest{
{"noslash", nil, ""},
{"foo bar/baz", nil, ""},
{"foo/bar baz", nil, ""},
{"foo/BAR", nil, "foo/bar"},
{"foo/BAR", map[string]string{"X": "Y"}, "foo/bar; x=Y"},
{"foo/BAR", map[string]string{"space": "With space"}, `foo/bar; space="With space"`},
{"foo/BAR", map[string]string{"quote": `With "quote`}, `foo/bar; quote="With \"quote"`},
{"foo/BAR", map[string]string{"bslash": `With \backslash`}, `foo/bar; bslash="With \\backslash"`},
{"foo/BAR", map[string]string{"both": `With \backslash and "quote`}, `foo/bar; both="With \\backslash and \"quote"`},
{"foo/BAR", map[string]string{"": "empty attribute"}, ""},
{"foo/BAR", map[string]string{"bad attribute": "baz"}, ""},
{"foo/BAR", map[string]string{"nonascii": "not an ascii character: ä"}, ""},
{"foo/bar", map[string]string{"a": "av", "b": "bv", "c": "cv"}, "foo/bar; a=av; b=bv; c=cv"},
}
func TestFormatMediaType(t *testing.T) {
for i, tt := range formatTests {
got := FormatMediaType(tt.typ, tt.params)
if got != tt.want {
t.Errorf("%d. FormatMediaType(%q, %v) = %q; want %q", i, tt.typ, tt.params, got, tt.want)
}
}
}