// 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 mail import ( "bytes" "io" "mime" "reflect" "strings" "testing" "time" ) var parseTests = []struct { in string header Header body string }{ { // RFC 5322, Appendix A.1.1 in: `From: John Doe To: Mary Smith Subject: Saying Hello Date: Fri, 21 Nov 1997 09:55:06 -0600 Message-ID: <1234@local.machine.example> This is a message just to say hello. So, "Hello". `, header: Header{ "From": []string{"John Doe "}, "To": []string{"Mary Smith "}, "Subject": []string{"Saying Hello"}, "Date": []string{"Fri, 21 Nov 1997 09:55:06 -0600"}, "Message-Id": []string{"<1234@local.machine.example>"}, }, body: "This is a message just to say hello.\nSo, \"Hello\".\n", }, { // RFC 5965, Appendix B.1, a part of the multipart message (a header-only sub message) in: `Feedback-Type: abuse User-Agent: SomeGenerator/1.0 Version: 1 `, header: Header{ "Feedback-Type": []string{"abuse"}, "User-Agent": []string{"SomeGenerator/1.0"}, "Version": []string{"1"}, }, body: "", }, { // RFC 5322 permits any printable ASCII character, // except colon, in a header key. Issue #58862. in: `From: iant@golang.org Custom/Header: v Body `, header: Header{ "From": []string{"iant@golang.org"}, "Custom/Header": []string{"v"}, }, body: "Body\n", }, { // RFC 4155 mbox format. We've historically permitted this, // so we continue to permit it. Issue #60332. in: `From iant@golang.org Mon Jun 19 00:00:00 2023 From: iant@golang.org Hello, gophers! `, header: Header{ "From": []string{"iant@golang.org"}, "From iant@golang.org Mon Jun 19 00": []string{"00:00 2023"}, }, body: "Hello, gophers!\n", }, } func TestParsing(t *testing.T) { for i, test := range parseTests { msg, err := ReadMessage(bytes.NewBuffer([]byte(test.in))) if err != nil { t.Errorf("test #%d: Failed parsing message: %v", i, err) continue } if !headerEq(msg.Header, test.header) { t.Errorf("test #%d: Incorrectly parsed message header.\nGot:\n%+v\nWant:\n%+v", i, msg.Header, test.header) } body, err := io.ReadAll(msg.Body) if err != nil { t.Errorf("test #%d: Failed reading body: %v", i, err) continue } bodyStr := string(body) if bodyStr != test.body { t.Errorf("test #%d: Incorrectly parsed message body.\nGot:\n%+v\nWant:\n%+v", i, bodyStr, test.body) } } } func headerEq(a, b Header) bool { if len(a) != len(b) { return false } for k, as := range a { bs, ok := b[k] if !ok { return false } if !reflect.DeepEqual(as, bs) { return false } } return true } func TestDateParsing(t *testing.T) { tests := []struct { dateStr string exp time.Time }{ // RFC 5322, Appendix A.1.1 { "Fri, 21 Nov 1997 09:55:06 -0600", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), }, // RFC 5322, Appendix A.6.2 // Obsolete date. { "21 Nov 97 09:55:06 GMT", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("GMT", 0)), }, // Commonly found format not specified by RFC 5322. { "Fri, 21 Nov 1997 09:55:06 -0600 (MDT)", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), }, { "Thu, 20 Nov 1997 09:55:06 -0600 (MDT)", time.Date(1997, 11, 20, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), }, { "Thu, 20 Nov 1997 09:55:06 GMT (GMT)", time.Date(1997, 11, 20, 9, 55, 6, 0, time.UTC), }, { "Fri, 21 Nov 1997 09:55:06 +1300 (TOT)", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", +13*60*60)), }, } for _, test := range tests { hdr := Header{ "Date": []string{test.dateStr}, } date, err := hdr.Date() if err != nil { t.Errorf("Header(Date: %s).Date(): %v", test.dateStr, err) } else if !date.Equal(test.exp) { t.Errorf("Header(Date: %s).Date() = %+v, want %+v", test.dateStr, date, test.exp) } date, err = ParseDate(test.dateStr) if err != nil { t.Errorf("ParseDate(%s): %v", test.dateStr, err) } else if !date.Equal(test.exp) { t.Errorf("ParseDate(%s) = %+v, want %+v", test.dateStr, date, test.exp) } } } func TestDateParsingCFWS(t *testing.T) { tests := []struct { dateStr string exp time.Time valid bool }{ // FWS-only. No date. { " ", // nil is not allowed time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), false, }, // FWS is allowed before optional day of week. { " Fri, 21 Nov 1997 09:55:06 -0600", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), true, }, { "21 Nov 1997 09:55:06 -0600", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), true, }, { "Fri 21 Nov 1997 09:55:06 -0600", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), false, // missing , }, // FWS is allowed before day of month but HTAB fails. { "Fri, 21 Nov 1997 09:55:06 -0600", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), true, }, // FWS is allowed before and after year but HTAB fails. { "Fri, 21 Nov 1997 09:55:06 -0600", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), true, }, // FWS is allowed before zone but HTAB is not handled. Obsolete timezone is handled. { "Fri, 21 Nov 1997 09:55:06 CST", time.Time{}, true, }, // FWS is allowed after date and a CRLF is already replaced. { "Fri, 21 Nov 1997 09:55:06 CST (no leading FWS and a trailing CRLF) \r\n", time.Time{}, true, }, // CFWS is a reduced set of US-ASCII where space and accentuated are obsolete. No error. { "Fri, 21 Nov 1997 09:55:06 -0600 (MDT and non-US-ASCII signs éèç )", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), true, }, // CFWS is allowed after zone including a nested comment. // Trailing FWS is allowed. { "Fri, 21 Nov 1997 09:55:06 -0600 \r\n (thisisa(valid)cfws) \t ", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), true, }, // CRLF is incomplete and misplaced. { "Fri, 21 Nov 1997 \r 09:55:06 -0600 \r\n (thisisa(valid)cfws) \t ", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), false, }, // CRLF is complete but misplaced. No error is returned. { "Fri, 21 Nov 199\r\n7 09:55:06 -0600 \r\n (thisisa(valid)cfws) \t ", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), true, // should be false in the strict interpretation of RFC 5322. }, // Invalid ASCII in date. { "Fri, 21 Nov 1997 ù 09:55:06 -0600 \r\n (thisisa(valid)cfws) \t ", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), false, }, // CFWS chars () in date. { "Fri, 21 Nov () 1997 09:55:06 -0600 \r\n (thisisa(valid)cfws) \t ", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), false, }, // Timezone is invalid but T is found in comment. { "Fri, 21 Nov 1997 09:55:06 -060 \r\n (Thisisa(valid)cfws) \t ", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), false, }, // Date has no month. { "Fri, 21 1997 09:55:06 -0600", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), false, }, // Invalid month : OCT iso Oct { "Fri, 21 OCT 1997 09:55:06 CST", time.Time{}, false, }, // A too short time zone. { "Fri, 21 Nov 1997 09:55:06 -060", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), false, }, // A too short obsolete time zone. { "Fri, 21 1997 09:55:06 GT", time.Date(1997, 11, 21, 9, 55, 6, 0, time.FixedZone("", -6*60*60)), false, }, // Ensure that the presence of "T" in the date // doesn't trip out ParseDate, as per issue 39260. { "Tue, 26 May 2020 14:04:40 GMT", time.Date(2020, 05, 26, 14, 04, 40, 0, time.UTC), true, }, { "Tue, 26 May 2020 14:04:40 UT", time.Date(2020, 05, 26, 14, 04, 40, 0, time.UTC), true, }, { "Thu, 21 May 2020 14:04:40 UT", time.Date(2020, 05, 21, 14, 04, 40, 0, time.UTC), true, }, { "Tue, 26 May 2020 14:04:40 XT", time.Date(2020, 05, 26, 14, 04, 40, 0, time.UTC), false, }, { "Thu, 21 May 2020 14:04:40 XT", time.Date(2020, 05, 21, 14, 04, 40, 0, time.UTC), false, }, { "Thu, 21 May 2020 14:04:40 UTC", time.Date(2020, 05, 21, 14, 04, 40, 0, time.UTC), true, }, { "Fri, 21 Nov 1997 09:55:06 GMT (GMT)", time.Date(1997, 11, 21, 9, 55, 6, 0, time.UTC), true, }, } for _, test := range tests { hdr := Header{ "Date": []string{test.dateStr}, } date, err := hdr.Date() if err != nil && test.valid { t.Errorf("Header(Date: %s).Date(): %v", test.dateStr, err) } else if err == nil && test.exp.IsZero() { // OK. Used when exact result depends on the // system's local zoneinfo. } else if err == nil && !date.Equal(test.exp) && test.valid { t.Errorf("Header(Date: %s).Date() = %+v, want %+v", test.dateStr, date, test.exp) } else if err == nil && !test.valid { // an invalid expression was tested t.Errorf("Header(Date: %s).Date() did not return an error but %v", test.dateStr, date) } date, err = ParseDate(test.dateStr) if err != nil && test.valid { t.Errorf("ParseDate(%s): %v", test.dateStr, err) } else if err == nil && test.exp.IsZero() { // OK. Used when exact result depends on the // system's local zoneinfo. } else if err == nil && !test.valid { // an invalid expression was tested t.Errorf("ParseDate(%s) did not return an error but %v", test.dateStr, date) } else if err == nil && test.valid && !date.Equal(test.exp) { t.Errorf("ParseDate(%s) = %+v, want %+v", test.dateStr, date, test.exp) } } } func TestAddressParsingError(t *testing.T) { mustErrTestCases := [...]struct { text string wantErrText string }{ 0: {"=?iso-8859-2?Q?Bogl=E1rka_Tak=E1cs?= ", "charset not supported"}, 1: {"a@gmail.com b@gmail.com", "expected single address"}, 2: {string([]byte{0xed, 0xa0, 0x80}) + " ", "invalid utf-8 in address"}, 3: {"\"" + string([]byte{0xed, 0xa0, 0x80}) + "\" ", "invalid utf-8 in quoted-string"}, 4: {"\"\\" + string([]byte{0x80}) + "\" ", "invalid utf-8 in quoted-string"}, 5: {"\"\x00\" ", "bad character in quoted-string"}, 6: {"\"\\\x00\" ", "bad character in quoted-string"}, 7: {"John Doe", "no angle-addr"}, 8: {``, "missing @ in addr-spec"}, 9: {`John Doe `, "missing @ in addr-spec"}, 10: {"cfws@example.com (", "misformatted parenthetical comment"}, 11: {"empty group: ;", "empty group"}, 12: {"root group: embed group: null@example.com;", "no angle-addr"}, 13: {"group not closed: null@example.com", "expected comma"}, 14: {"group: first@example.com, second@example.com;", "group with multiple addresses"}, 15: {"john.doe", "missing '@' or angle-addr"}, 16: {"john.doe@", "missing '@' or angle-addr"}, 17: {"John Doe@foo.bar", "no angle-addr"}, 18: {" group: null@example.com; (asd", "misformatted parenthetical comment"}, 19: {" group: ; (asd", "misformatted parenthetical comment"}, 20: {`(John) Doe `, "missing word in phrase:"}, } for i, tc := range mustErrTestCases { _, err := ParseAddress(tc.text) if err == nil || !strings.Contains(err.Error(), tc.wantErrText) { t.Errorf(`mail.ParseAddress(%q) #%d want %q, got %v`, tc.text, i, tc.wantErrText, err) } } t.Run("CustomWordDecoder", func(t *testing.T) { p := &AddressParser{WordDecoder: &mime.WordDecoder{}} for i, tc := range mustErrTestCases { _, err := p.Parse(tc.text) if err == nil || !strings.Contains(err.Error(), tc.wantErrText) { t.Errorf(`p.Parse(%q) #%d want %q, got %v`, tc.text, i, tc.wantErrText, err) } } }) } func TestAddressParsing(t *testing.T) { tests := []struct { addrsStr string exp []*Address }{ // Bare address { `jdoe@machine.example`, []*Address{{ Address: "jdoe@machine.example", }}, }, // RFC 5322, Appendix A.1.1 { `John Doe `, []*Address{{ Name: "John Doe", Address: "jdoe@machine.example", }}, }, // RFC 5322, Appendix A.1.2 { `"Joe Q. Public" `, []*Address{{ Name: "Joe Q. Public", Address: "john.q.public@example.com", }}, }, // Comment in display name { `John (middle) Doe `, []*Address{{ Name: "John Doe", Address: "jdoe@machine.example", }}, }, // Display name is quoted string, so comment is not a comment { `"John (middle) Doe" `, []*Address{{ Name: "John (middle) Doe", Address: "jdoe@machine.example", }}, }, { `"John Doe" `, []*Address{{ Name: "John Doe", Address: "jdoe@machine.example", }}, }, { `Mary Smith , jdoe@example.org, Who? `, []*Address{ { Name: "Mary Smith", Address: "mary@x.test", }, { Address: "jdoe@example.org", }, { Name: "Who?", Address: "one@y.test", }, }, }, { `, "Giant; \"Big\" Box" `, []*Address{ { Address: "boss@nil.test", }, { Name: `Giant; "Big" Box`, Address: "sysservices@example.net", }, }, }, // RFC 5322, Appendix A.6.1 { `Joe Q. Public `, []*Address{{ Name: "Joe Q. Public", Address: "john.q.public@example.com", }}, }, // RFC 5322, Appendix A.1.3 { `group1: groupaddr1@example.com;`, []*Address{ { Name: "", Address: "groupaddr1@example.com", }, }, }, { `empty group: ;`, []*Address(nil), }, { `A Group:Ed Jones ,joe@where.test,John ;`, []*Address{ { Name: "Ed Jones", Address: "c@a.test", }, { Name: "", Address: "joe@where.test", }, { Name: "John", Address: "jdoe@one.test", }, }, }, // RFC5322 4.4 obs-addr-list { ` , joe@where.test,,John ,`, []*Address{ { Name: "", Address: "joe@where.test", }, { Name: "John", Address: "jdoe@one.test", }, }, }, { ` , joe@where.test,,John ,,`, []*Address{ { Name: "", Address: "joe@where.test", }, { Name: "John", Address: "jdoe@one.test", }, }, }, { `Group1: ;, Group 2: addr2@example.com;, John `, []*Address{ { Name: "", Address: "addr1@example.com", }, { Name: "", Address: "addr2@example.com", }, { Name: "John", Address: "addr3@example.com", }, }, }, // RFC 2047 "Q"-encoded ISO-8859-1 address. { `=?iso-8859-1?q?J=F6rg_Doe?= `, []*Address{ { Name: `Jörg Doe`, Address: "joerg@example.com", }, }, }, // RFC 2047 "Q"-encoded US-ASCII address. Dumb but legal. { `=?us-ascii?q?J=6Frg_Doe?= `, []*Address{ { Name: `Jorg Doe`, Address: "joerg@example.com", }, }, }, // RFC 2047 "Q"-encoded UTF-8 address. { `=?utf-8?q?J=C3=B6rg_Doe?= `, []*Address{ { Name: `Jörg Doe`, Address: "joerg@example.com", }, }, }, // RFC 2047 "Q"-encoded UTF-8 address with multiple encoded-words. { `=?utf-8?q?J=C3=B6rg?= =?utf-8?q?Doe?= `, []*Address{ { Name: `JörgDoe`, Address: "joerg@example.com", }, }, }, // RFC 2047, Section 8. { `=?ISO-8859-1?Q?Andr=E9?= Pirard `, []*Address{ { Name: `André Pirard`, Address: "PIRARD@vm1.ulg.ac.be", }, }, }, // Custom example of RFC 2047 "B"-encoded ISO-8859-1 address. { `=?ISO-8859-1?B?SvZyZw==?= `, []*Address{ { Name: `Jörg`, Address: "joerg@example.com", }, }, }, // Custom example of RFC 2047 "B"-encoded UTF-8 address. { `=?UTF-8?B?SsO2cmc=?= `, []*Address{ { Name: `Jörg`, Address: "joerg@example.com", }, }, }, // Custom example with "." in name. For issue 4938 { `Asem H. `, []*Address{ { Name: `Asem H.`, Address: "noreply@example.com", }, }, }, // RFC 6532 3.2.3, qtext /= UTF8-non-ascii { `"Gø Pher" `, []*Address{ { Name: `Gø Pher`, Address: "gopher@example.com", }, }, }, // RFC 6532 3.2, atext /= UTF8-non-ascii { `µ `, []*Address{ { Name: `µ`, Address: "micro@example.com", }, }, }, // RFC 6532 3.2.2, local address parts allow UTF-8 { `Micro <µ@example.com>`, []*Address{ { Name: `Micro`, Address: "µ@example.com", }, }, }, // RFC 6532 3.2.4, domains parts allow UTF-8 { `Micro `, []*Address{ { Name: `Micro`, Address: "micro@µ.example.com", }, }, }, // Issue 14866 { `"" `, []*Address{ { Name: "", Address: "emptystring@example.com", }, }, }, // CFWS { ` (CFWS (cfws)) (another comment)`, []*Address{ { Name: "", Address: "cfws@example.com", }, }, }, { ` () (another comment), (another)`, []*Address{ { Name: "", Address: "cfws@example.com", }, { Name: "", Address: "cfws2@example.com", }, }, }, // Comment as display name { `john@example.com (John Doe)`, []*Address{ { Name: "John Doe", Address: "john@example.com", }, }, }, // Comment and display name { `John Doe (Joey)`, []*Address{ { Name: "John Doe", Address: "john@example.com", }, }, }, // Comment as display name, no space { `john@example.com(John Doe)`, []*Address{ { Name: "John Doe", Address: "john@example.com", }, }, }, // Comment as display name, Q-encoded { `asjo@example.com (Adam =?utf-8?Q?Sj=C3=B8gren?=)`, []*Address{ { Name: "Adam Sjøgren", Address: "asjo@example.com", }, }, }, // Comment as display name, Q-encoded and tab-separated { `asjo@example.com (Adam =?utf-8?Q?Sj=C3=B8gren?=)`, []*Address{ { Name: "Adam Sjøgren", Address: "asjo@example.com", }, }, }, // Nested comment as display name, Q-encoded { `asjo@example.com (Adam =?utf-8?Q?Sj=C3=B8gren?= (Debian))`, []*Address{ { Name: "Adam Sjøgren (Debian)", Address: "asjo@example.com", }, }, }, // Comment in group display name { `group (comment:): a@example.com, b@example.com;`, []*Address{ { Address: "a@example.com", }, { Address: "b@example.com", }, }, }, { `x(:"):"@a.example;("@b.example;`, []*Address{ { Address: `@a.example;(@b.example`, }, }, }, } for _, test := range tests { if len(test.exp) == 1 { addr, err := ParseAddress(test.addrsStr) if err != nil { t.Errorf("Failed parsing (single) %q: %v", test.addrsStr, err) continue } if !reflect.DeepEqual([]*Address{addr}, test.exp) { t.Errorf("Parse (single) of %q: got %+v, want %+v", test.addrsStr, addr, test.exp) } } addrs, err := ParseAddressList(test.addrsStr) if err != nil { t.Errorf("Failed parsing (list) %q: %v", test.addrsStr, err) continue } if !reflect.DeepEqual(addrs, test.exp) { t.Errorf("Parse (list) of %q: got %+v, want %+v", test.addrsStr, addrs, test.exp) } } } func TestAddressParser(t *testing.T) { tests := []struct { addrsStr string exp []*Address }{ // Bare address { `jdoe@machine.example`, []*Address{{ Address: "jdoe@machine.example", }}, }, // RFC 5322, Appendix A.1.1 { `John Doe `, []*Address{{ Name: "John Doe", Address: "jdoe@machine.example", }}, }, // RFC 5322, Appendix A.1.2 { `"Joe Q. Public" `, []*Address{{ Name: "Joe Q. Public", Address: "john.q.public@example.com", }}, }, { `Mary Smith , jdoe@example.org, Who? `, []*Address{ { Name: "Mary Smith", Address: "mary@x.test", }, { Address: "jdoe@example.org", }, { Name: "Who?", Address: "one@y.test", }, }, }, { `, "Giant; \"Big\" Box" `, []*Address{ { Address: "boss@nil.test", }, { Name: `Giant; "Big" Box`, Address: "sysservices@example.net", }, }, }, // RFC 2047 "Q"-encoded ISO-8859-1 address. { `=?iso-8859-1?q?J=F6rg_Doe?= `, []*Address{ { Name: `Jörg Doe`, Address: "joerg@example.com", }, }, }, // RFC 2047 "Q"-encoded US-ASCII address. Dumb but legal. { `=?us-ascii?q?J=6Frg_Doe?= `, []*Address{ { Name: `Jorg Doe`, Address: "joerg@example.com", }, }, }, // RFC 2047 "Q"-encoded ISO-8859-15 address. { `=?ISO-8859-15?Q?J=F6rg_Doe?= `, []*Address{ { Name: `Jörg Doe`, Address: "joerg@example.com", }, }, }, // RFC 2047 "B"-encoded windows-1252 address. { `=?windows-1252?q?Andr=E9?= Pirard `, []*Address{ { Name: `André Pirard`, Address: "PIRARD@vm1.ulg.ac.be", }, }, }, // Custom example of RFC 2047 "B"-encoded ISO-8859-15 address. { `=?ISO-8859-15?B?SvZyZw==?= `, []*Address{ { Name: `Jörg`, Address: "joerg@example.com", }, }, }, // Custom example of RFC 2047 "B"-encoded UTF-8 address. { `=?UTF-8?B?SsO2cmc=?= `, []*Address{ { Name: `Jörg`, Address: "joerg@example.com", }, }, }, // Custom example with "." in name. For issue 4938 { `Asem H. `, []*Address{ { Name: `Asem H.`, Address: "noreply@example.com", }, }, }, } ap := AddressParser{WordDecoder: &mime.WordDecoder{ CharsetReader: func(charset string, input io.Reader) (io.Reader, error) { in, err := io.ReadAll(input) if err != nil { return nil, err } switch charset { case "iso-8859-15": in = bytes.ReplaceAll(in, []byte("\xf6"), []byte("ö")) case "windows-1252": in = bytes.ReplaceAll(in, []byte("\xe9"), []byte("é")) } return bytes.NewReader(in), nil }, }} for _, test := range tests { if len(test.exp) == 1 { addr, err := ap.Parse(test.addrsStr) if err != nil { t.Errorf("Failed parsing (single) %q: %v", test.addrsStr, err) continue } if !reflect.DeepEqual([]*Address{addr}, test.exp) { t.Errorf("Parse (single) of %q: got %+v, want %+v", test.addrsStr, addr, test.exp) } } addrs, err := ap.ParseList(test.addrsStr) if err != nil { t.Errorf("Failed parsing (list) %q: %v", test.addrsStr, err) continue } if !reflect.DeepEqual(addrs, test.exp) { t.Errorf("Parse (list) of %q: got %+v, want %+v", test.addrsStr, addrs, test.exp) } } } func TestAddressString(t *testing.T) { tests := []struct { addr *Address exp string }{ { &Address{Address: "bob@example.com"}, "", }, { // quoted local parts: RFC 5322, 3.4.1. and 3.2.4. &Address{Address: `my@idiot@address@example.com`}, `<"my@idiot@address"@example.com>`, }, { // quoted local parts &Address{Address: ` @example.com`}, `<" "@example.com>`, }, { &Address{Name: "Bob", Address: "bob@example.com"}, `"Bob" `, }, { // note the ö (o with an umlaut) &Address{Name: "Böb", Address: "bob@example.com"}, `=?utf-8?q?B=C3=B6b?= `, }, { &Address{Name: "Bob Jane", Address: "bob@example.com"}, `"Bob Jane" `, }, { &Address{Name: "Böb Jacöb", Address: "bob@example.com"}, `=?utf-8?q?B=C3=B6b_Jac=C3=B6b?= `, }, { // https://golang.org/issue/12098 &Address{Name: "Rob", Address: ""}, `"Rob" <@>`, }, { // https://golang.org/issue/12098 &Address{Name: "Rob", Address: "@"}, `"Rob" <@>`, }, { &Address{Name: "Böb, Jacöb", Address: "bob@example.com"}, `=?utf-8?b?QsO2YiwgSmFjw7Zi?= `, }, { &Address{Name: "=??Q?x?=", Address: "hello@world.com"}, `"=??Q?x?=" `, }, { &Address{Name: "=?hello", Address: "hello@world.com"}, `"=?hello" `, }, { &Address{Name: "world?=", Address: "hello@world.com"}, `"world?=" `, }, { // should q-encode even for invalid utf-8. &Address{Name: string([]byte{0xed, 0xa0, 0x80}), Address: "invalid-utf8@example.net"}, "=?utf-8?q?=ED=A0=80?= ", }, } for _, test := range tests { s := test.addr.String() if s != test.exp { t.Errorf("Address%+v.String() = %v, want %v", *test.addr, s, test.exp) continue } // Check round-trip. if test.addr.Address != "" && test.addr.Address != "@" { a, err := ParseAddress(test.exp) if err != nil { t.Errorf("ParseAddress(%#q): %v", test.exp, err) continue } if a.Name != test.addr.Name || a.Address != test.addr.Address { t.Errorf("ParseAddress(%#q) = %#v, want %#v", test.exp, a, test.addr) } } } } // Check if all valid addresses can be parsed, formatted and parsed again func TestAddressParsingAndFormatting(t *testing.T) { // Should pass tests := []string{ ``, ``, `<".bob"@example.com>`, `<" "@example.com>`, ``, `<"dot.and space"@example.com>`, `<"very.unusual.@.unusual.com"@example.com>`, ``, ``, "<#!$%&'*+-/=?^_`{}|~@example.org>", `<"very.(),:;<>[]\".VERY.\"very@\\ \"very\".unusual"@strange.example.com>`, // escaped quotes `<"()<>[]:,;@\\\"!#$%&'*+-/=?^_{}| ~.a"@example.org>`, // escaped backslashes `<"Abc\\@def"@example.com>`, `<"Joe\\Blow"@example.com>`, ``, ``, `<_somename@example.com>`, ``, `<~@example.com>`, `<"..."@test.com>`, `<"john..doe"@example.com>`, `<"john.doe."@example.com>`, `<".john.doe"@example.com>`, `<"."@example.com>`, `<".."@example.com>`, `<"0:"@0>`, } for _, test := range tests { addr, err := ParseAddress(test) if err != nil { t.Errorf("Couldn't parse address %s: %s", test, err.Error()) continue } str := addr.String() addr, err = ParseAddress(str) if err != nil { t.Errorf("ParseAddr(%q) error: %v", test, err) continue } if addr.String() != test { t.Errorf("String() round-trip = %q; want %q", addr, test) continue } } // Should fail badTests := []string{ ``, ``, `i[j\k]l@example.com>`, ``, ``, ``, ``, ``, ``, ``, ``, `<.john.doe@example.com>`, `<@example.com>`, `<.@example.com>`, ``, `< @example.com>`, `<""test""blah""@example.com>`, `<""@0>`, } for _, test := range badTests { _, err := ParseAddress(test) if err == nil { t.Errorf("Should have failed to parse address: %s", test) continue } } } func TestAddressFormattingAndParsing(t *testing.T) { tests := []*Address{ {Name: "@lïce", Address: "alice@example.com"}, {Name: "Böb O'Connor", Address: "bob@example.com"}, {Name: "???", Address: "bob@example.com"}, {Name: "Böb ???", Address: "bob@example.com"}, {Name: "Böb (Jacöb)", Address: "bob@example.com"}, {Name: "à#$%&'(),.:;<>@[]^`{|}~'", Address: "bob@example.com"}, // https://golang.org/issue/11292 {Name: "\"\\\x1f,\"", Address: "0@0"}, // https://golang.org/issue/12782 {Name: "naé, mée", Address: "test.mail@gmail.com"}, } for i, test := range tests { parsed, err := ParseAddress(test.String()) if err != nil { t.Errorf("test #%d: ParseAddr(%q) error: %v", i, test.String(), err) continue } if parsed.Name != test.Name { t.Errorf("test #%d: Parsed name = %q; want %q", i, parsed.Name, test.Name) } if parsed.Address != test.Address { t.Errorf("test #%d: Parsed address = %q; want %q", i, parsed.Address, test.Address) } } } func TestEmptyAddress(t *testing.T) { parsed, err := ParseAddress("") if parsed != nil || err == nil { t.Errorf(`ParseAddress("") = %v, %v, want nil, error`, parsed, err) } list, err := ParseAddressList("") if len(list) > 0 || err == nil { t.Errorf(`ParseAddressList("") = %v, %v, want nil, error`, list, err) } list, err = ParseAddressList(",") if len(list) > 0 || err == nil { t.Errorf(`ParseAddressList("") = %v, %v, want nil, error`, list, err) } list, err = ParseAddressList("a@b c@d") if len(list) > 0 || err == nil { t.Errorf(`ParseAddressList("") = %v, %v, want nil, error`, list, err) } }