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protocol_test.go
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package smtp
// http://www.rfc-editor.org/rfc/rfc5321.txt
import (
"errors"
"testing"
"github.com/mailhog/data"
. "github.com/smartystreets/goconvey/convey"
)
func TestProtocol(t *testing.T) {
Convey("NewProtocol returns a new Protocol", t, func() {
proto := NewProtocol()
So(proto, ShouldNotBeNil)
So(proto, ShouldHaveSameTypeAs, &Protocol{})
So(proto.Hostname, ShouldEqual, "mailhog.example")
So(proto.Ident, ShouldEqual, "ESMTP MailHog")
So(proto.State, ShouldEqual, INVALID)
So(proto.Message, ShouldNotBeNil)
So(proto.Message, ShouldHaveSameTypeAs, &data.SMTPMessage{})
})
Convey("LogHandler should be called for logging", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.LogHandler = func(message string, args ...interface{}) {
handlerCalled = true
So(message, ShouldEqual, "[PROTO: %s] Test message %s %s")
So(len(args), ShouldEqual, 3)
So(args[0], ShouldEqual, "INVALID")
So(args[1], ShouldEqual, "test arg 1")
So(args[2], ShouldEqual, "test arg 2")
}
proto.logf("Test message %s %s", "test arg 1", "test arg 2")
So(handlerCalled, ShouldBeTrue)
})
Convey("Start should modify the state correctly", t, func() {
proto := NewProtocol()
So(proto.State, ShouldEqual, INVALID)
reply := proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
So(reply, ShouldNotBeNil)
So(reply, ShouldHaveSameTypeAs, &Reply{})
So(reply.Status, ShouldEqual, 220)
So(reply.Lines(), ShouldResemble, []string{"220 mailhog.example ESMTP MailHog\r\n"})
})
Convey("Modifying the hostname should modify the ident reply", t, func() {
proto := NewProtocol()
proto.Ident = "OinkSMTP MailHog"
reply := proto.Start()
So(reply, ShouldNotBeNil)
So(reply, ShouldHaveSameTypeAs, &Reply{})
So(reply.Status, ShouldEqual, 220)
So(reply.Lines(), ShouldResemble, []string{"220 mailhog.example OinkSMTP MailHog\r\n"})
})
Convey("Modifying the ident should modify the ident reply", t, func() {
proto := NewProtocol()
proto.Hostname = "oink.oink"
reply := proto.Start()
So(reply, ShouldNotBeNil)
So(reply, ShouldHaveSameTypeAs, &Reply{})
So(reply.Status, ShouldEqual, 220)
So(reply.Lines(), ShouldResemble, []string{"220 oink.oink ESMTP MailHog\r\n"})
})
}
func TestProcessCommand(t *testing.T) {
Convey("ProcessCommand should attempt to process anything", t, func() {
proto := NewProtocol()
reply := proto.ProcessCommand("OINK mailhog.example")
So(proto.State, ShouldEqual, INVALID)
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 500)
So(reply.Lines(), ShouldResemble, []string{"500 Unrecognised command\r\n"})
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
reply = proto.ProcessCommand("HELO localhost")
So(proto.State, ShouldEqual, MAIL)
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250 Hello localhost\r\n"})
reply = proto.ProcessCommand("OINK mailhog.example")
So(proto.State, ShouldEqual, MAIL)
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 500)
So(reply.Lines(), ShouldResemble, []string{"500 Unrecognised command\r\n"})
})
}
func TestParse(t *testing.T) {
Convey("Parse can parse partial and multiple commands", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
line, reply := proto.Parse("HELO localhost")
So(proto.State, ShouldEqual, ESTABLISH)
So(reply, ShouldBeNil)
So(line, ShouldEqual, "HELO localhost")
line, reply = proto.Parse("HELO localhost\r\nMAIL Fro")
So(proto.State, ShouldEqual, MAIL)
So(reply, ShouldNotBeNil)
So(line, ShouldEqual, "MAIL Fro")
line, reply = proto.Parse("MAIL From:<test>\r\n")
So(proto.State, ShouldEqual, RCPT)
So(reply, ShouldNotBeNil)
So(line, ShouldEqual, "")
})
Convey("Parse can call ProcessData", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
proto.Command(ParseCommand("MAIL From:<test>"))
proto.Command(ParseCommand("RCPT To:<test>"))
proto.Command(ParseCommand("DATA"))
So(proto.State, ShouldEqual, DATA)
// FIXME this test relies on mailhog/data, it shouldn't!
line, reply := proto.Parse("Content-Type: text/plain;\r\n")
So(proto.State, ShouldEqual, DATA)
So(line, ShouldEqual, "")
So(proto.Message.Data, ShouldEqual, "Content-Type: text/plain;\r\n")
So(reply, ShouldBeNil)
line, reply = proto.Parse("\r\n")
So(proto.State, ShouldEqual, DATA)
So(line, ShouldEqual, "")
So(proto.Message.Data, ShouldEqual, "Content-Type: text/plain;\r\n\r\n")
So(reply, ShouldBeNil)
line, reply = proto.Parse("Hi\r\n")
So(proto.State, ShouldEqual, DATA)
So(line, ShouldEqual, "")
So(proto.Message.Data, ShouldEqual, "Content-Type: text/plain;\r\n\r\nHi\r\n")
So(reply, ShouldBeNil)
line, reply = proto.Parse("\r\n")
So(proto.State, ShouldEqual, DATA)
So(line, ShouldEqual, "")
So(proto.Message.Data, ShouldEqual, "Content-Type: text/plain;\r\n\r\nHi\r\n\r\n")
So(reply, ShouldBeNil)
line, reply = proto.Parse(".\r\n")
So(proto.State, ShouldEqual, MAIL)
So(line, ShouldEqual, "")
So(reply, ShouldNotBeNil)
So(proto.Message.Data, ShouldEqual, "")
})
}
func TestUnknownCommands(t *testing.T) {
Convey("Unknown command in INVALID state", t, func() {
proto := NewProtocol()
So(proto.State, ShouldEqual, INVALID)
reply := proto.Command(ParseCommand("OINK"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 500)
So(reply.Lines(), ShouldResemble, []string{"500 Unrecognised command\r\n"})
})
Convey("Unknown command in ESTABLISH state", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
reply := proto.Command(ParseCommand("OINK"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 500)
So(reply.Lines(), ShouldResemble, []string{"500 Unrecognised command\r\n"})
})
Convey("Unknown command in MAIL state", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
So(proto.State, ShouldEqual, MAIL)
reply := proto.Command(ParseCommand("OINK"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 500)
So(reply.Lines(), ShouldResemble, []string{"500 Unrecognised command\r\n"})
})
Convey("Unknown command in RCPT state", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
proto.Command(ParseCommand("MAIL FROM:<test>"))
So(proto.State, ShouldEqual, RCPT)
reply := proto.Command(ParseCommand("OINK"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 500)
So(reply.Lines(), ShouldResemble, []string{"500 Unrecognised command\r\n"})
})
}
func TestESTABLISHCommands(t *testing.T) {
Convey("EHLO should work in ESTABLISH state", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
reply := proto.Command(ParseCommand("EHLO localhost"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
})
Convey("HELO should work in ESTABLISH state", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
reply := proto.Command(ParseCommand("HELO localhost"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
})
Convey("RSET should work in ESTABLISH state", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
reply := proto.Command(ParseCommand("RSET"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
})
Convey("NOOP should work in ESTABLISH state", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
reply := proto.Command(ParseCommand("NOOP"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
})
Convey("QUIT should work in ESTABLISH state", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
reply := proto.Command(ParseCommand("QUIT"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 221)
})
Convey("MAIL shouldn't work in ESTABLISH state", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
reply := proto.Command(ParseCommand("MAIL"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 500)
So(reply.Lines(), ShouldResemble, []string{"500 Unrecognised command\r\n"})
})
Convey("RCPT shouldn't work in ESTABLISH state", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
reply := proto.Command(ParseCommand("RCPT"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 500)
So(reply.Lines(), ShouldResemble, []string{"500 Unrecognised command\r\n"})
})
Convey("DATA shouldn't work in ESTABLISH state", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
reply := proto.Command(ParseCommand("DATA"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 500)
So(reply.Lines(), ShouldResemble, []string{"500 Unrecognised command\r\n"})
})
}
func TestEHLO(t *testing.T) {
Convey("EHLO should modify the state correctly", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
So(proto.Message.Helo, ShouldEqual, "")
reply := proto.EHLO("localhost")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250-Hello localhost\r\n", "250-PIPELINING\r\n", "250 SMTPUTF8\r\n"})
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost")
})
Convey("EHLO should work using Command", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
So(proto.Message.Helo, ShouldEqual, "")
reply := proto.Command(ParseCommand("EHLO localhost"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250-Hello localhost\r\n", "250-PIPELINING\r\n", "250 SMTPUTF8\r\n"})
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost")
})
Convey("EHLO should work in MAIL state", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost")
reply := proto.Command(ParseCommand("EHLO localhost"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250-Hello localhost\r\n", "250-PIPELINING\r\n", "250 SMTPUTF8\r\n"})
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost")
})
Convey("EHLO should work in RCPT state", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
proto.Command(ParseCommand("MAIL From:<test>"))
So(proto.State, ShouldEqual, RCPT)
So(proto.Message.Helo, ShouldEqual, "localhost")
So(proto.Message.From, ShouldEqual, "test")
So(proto.Message.To, ShouldBeZeroValue)
reply := proto.Command(ParseCommand("EHLO localhost2"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250-Hello localhost2\r\n", "250-PIPELINING\r\n", "250 SMTPUTF8\r\n"})
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost2")
So(proto.Message.From, ShouldBeZeroValue)
So(proto.Message.To, ShouldBeZeroValue)
})
Convey("EHLO should work in RCPT state with recipients", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
proto.Command(ParseCommand("MAIL From:<test>"))
proto.Command(ParseCommand("RCPT To:<rcpt1>"))
proto.Command(ParseCommand("RCPT To:<rcpt2>"))
So(proto.State, ShouldEqual, RCPT)
So(proto.Message.Helo, ShouldEqual, "localhost")
So(proto.Message.From, ShouldEqual, "test")
So(proto.Message.To, ShouldResemble, []string{"rcpt1", "rcpt2"})
reply := proto.Command(ParseCommand("EHLO localhost2"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250-Hello localhost2\r\n", "250 PIPELINING\r\n"})
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost2")
So(proto.Message.From, ShouldBeZeroValue)
So(proto.Message.To, ShouldBeZeroValue)
})
}
func TestHELO(t *testing.T) {
Convey("HELO should modify the state correctly", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
So(proto.Message.Helo, ShouldEqual, "")
reply := proto.HELO("localhost")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250 Hello localhost\r\n"})
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost")
})
Convey("HELO should work using Command", t, func() {
proto := NewProtocol()
proto.Start()
So(proto.State, ShouldEqual, ESTABLISH)
So(proto.Message.Helo, ShouldEqual, "")
reply := proto.Command(ParseCommand("HELO localhost"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250 Hello localhost\r\n"})
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost")
})
Convey("HELO should work in MAIL state", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("HELO localhost"))
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost")
reply := proto.Command(ParseCommand("HELO localhost"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250 Hello localhost\r\n"})
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost")
})
Convey("HELO should work in RCPT state", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("HELO localhost"))
proto.Command(ParseCommand("MAIL From:<test>"))
So(proto.State, ShouldEqual, RCPT)
So(proto.Message.Helo, ShouldEqual, "localhost")
So(proto.Message.From, ShouldEqual, "test")
So(proto.Message.To, ShouldBeZeroValue)
reply := proto.Command(ParseCommand("HELO localhost2"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250 Hello localhost2\r\n"})
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost2")
So(proto.Message.From, ShouldBeZeroValue)
So(proto.Message.To, ShouldBeZeroValue)
})
Convey("HELO should work in RCPT state with recipients", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("HELO localhost"))
proto.Command(ParseCommand("MAIL From:<test>"))
proto.Command(ParseCommand("RCPT To:<rcpt1>"))
proto.Command(ParseCommand("RCPT To:<rcpt2>"))
So(proto.State, ShouldEqual, RCPT)
So(proto.Message.Helo, ShouldEqual, "localhost")
So(proto.Message.From, ShouldEqual, "test")
So(proto.Message.To, ShouldResemble, []string{"rcpt1", "rcpt2"})
reply := proto.Command(ParseCommand("HELO localhost2"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250 Hello localhost2\r\n"})
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost2")
So(proto.Message.From, ShouldBeZeroValue)
So(proto.Message.To, ShouldBeZeroValue)
})
}
func TestDATA(t *testing.T) {
Convey("DATA should accept data", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.MessageReceivedHandler = func(msg *data.SMTPMessage) (string, error) {
handlerCalled = true
return "abc", nil
}
proto.Start()
proto.HELO("localhost")
proto.Command(ParseCommand("MAIL FROM:<test>"))
proto.Command(ParseCommand("RCPT TO:<test>"))
reply := proto.Command(ParseCommand("DATA"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 354)
So(reply.Lines(), ShouldResemble, []string{"354 End data with <CR><LF>.<CR><LF>\r\n"})
So(proto.State, ShouldEqual, DATA)
reply = proto.ProcessData("Hi")
So(reply, ShouldBeNil)
So(proto.State, ShouldEqual, DATA)
So(proto.Message.Data, ShouldEqual, "Hi\r\n")
reply = proto.ProcessData("How are you?")
So(reply, ShouldBeNil)
So(proto.State, ShouldEqual, DATA)
So(proto.Message.Data, ShouldEqual, "Hi\r\nHow are you?\r\n")
reply = proto.ProcessData("\r\n.")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(proto.State, ShouldEqual, MAIL)
So(reply.Lines(), ShouldResemble, []string{"250 Ok: queued as abc\r\n"})
So(handlerCalled, ShouldBeTrue)
})
Convey("Should return error if missing storage backend", t, func() {
proto := NewProtocol()
proto.Start()
proto.HELO("localhost")
proto.Command(ParseCommand("MAIL FROM:<test>"))
proto.Command(ParseCommand("RCPT TO:<test>"))
reply := proto.Command(ParseCommand("DATA"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 354)
So(reply.Lines(), ShouldResemble, []string{"354 End data with <CR><LF>.<CR><LF>\r\n"})
So(proto.State, ShouldEqual, DATA)
reply = proto.ProcessData("Hi")
So(reply, ShouldBeNil)
So(proto.State, ShouldEqual, DATA)
So(proto.Message.Data, ShouldEqual, "Hi\r\n")
reply = proto.ProcessData("How are you?")
So(reply, ShouldBeNil)
So(proto.State, ShouldEqual, DATA)
So(proto.Message.Data, ShouldEqual, "Hi\r\nHow are you?\r\n")
reply = proto.ProcessData("\r\n.")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 452)
So(proto.State, ShouldEqual, MAIL)
So(reply.Lines(), ShouldResemble, []string{"452 No storage backend\r\n"})
})
Convey("Should return error if storage backend fails", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.MessageReceivedHandler = func(msg *data.SMTPMessage) (string, error) {
handlerCalled = true
return "", errors.New("abc")
}
proto.Start()
proto.HELO("localhost")
proto.Command(ParseCommand("MAIL FROM:<test>"))
proto.Command(ParseCommand("RCPT TO:<test>"))
reply := proto.Command(ParseCommand("DATA"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 354)
So(reply.Lines(), ShouldResemble, []string{"354 End data with <CR><LF>.<CR><LF>\r\n"})
So(proto.State, ShouldEqual, DATA)
reply = proto.ProcessData("Hi")
So(reply, ShouldBeNil)
So(proto.State, ShouldEqual, DATA)
So(proto.Message.Data, ShouldEqual, "Hi\r\n")
reply = proto.ProcessData("How are you?")
So(reply, ShouldBeNil)
So(proto.State, ShouldEqual, DATA)
So(proto.Message.Data, ShouldEqual, "Hi\r\nHow are you?\r\n")
reply = proto.ProcessData("\r\n.")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 452)
So(proto.State, ShouldEqual, MAIL)
So(reply.Lines(), ShouldResemble, []string{"452 Unable to store message\r\n"})
So(handlerCalled, ShouldBeTrue)
})
}
func TestRSET(t *testing.T) {
Convey("RSET should reset the state correctly", t, func() {
proto := NewProtocol()
proto.Start()
proto.HELO("localhost")
proto.Command(ParseCommand("MAIL FROM:<test>"))
proto.Command(ParseCommand("RCPT TO:<test>"))
So(proto.State, ShouldEqual, RCPT)
So(proto.Message.From, ShouldEqual, "test")
So(len(proto.Message.To), ShouldEqual, 1)
So(proto.Message.To[0], ShouldEqual, "test")
reply := proto.Command(ParseCommand("RSET"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250 Ok\r\n"})
So(proto.State, ShouldEqual, MAIL)
So(proto.Message.Helo, ShouldEqual, "localhost")
So(proto.Message.From, ShouldEqual, "")
So(len(proto.Message.To), ShouldEqual, 0)
})
}
func TestNOOP(t *testing.T) {
Convey("NOOP shouldn't modify the state", t, func() {
proto := NewProtocol()
proto.Start()
proto.HELO("localhost")
proto.Command(ParseCommand("MAIL FROM:<test>"))
proto.Command(ParseCommand("RCPT TO:<test>"))
So(proto.State, ShouldEqual, RCPT)
So(proto.Message.From, ShouldEqual, "test")
So(len(proto.Message.To), ShouldEqual, 1)
So(proto.Message.To[0], ShouldEqual, "test")
reply := proto.Command(ParseCommand("NOOP"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250 Ok\r\n"})
So(proto.State, ShouldEqual, RCPT)
So(proto.Message.From, ShouldEqual, "test")
So(len(proto.Message.To), ShouldEqual, 1)
So(proto.Message.To[0], ShouldEqual, "test")
})
}
func TestQUIT(t *testing.T) {
Convey("QUIT should modify the state correctly", t, func() {
proto := NewProtocol()
proto.Start()
reply := proto.Command(ParseCommand("QUIT"))
So(proto.State, ShouldEqual, DONE)
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 221)
So(reply.Lines(), ShouldResemble, []string{"221 Bye\r\n"})
})
}
func TestParseMAIL(t *testing.T) {
proto := NewProtocol()
Convey("ParseMAIL should parse MAIL command arguments", t, func() {
m, err := proto.ParseMAIL("FROM:<oink@mailhog.example>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink@mailhog.example")
m, err = proto.ParseMAIL("FROM:<oink>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink")
})
Convey("ParseMAIL should return an error for invalid syntax", t, func() {
m, err := proto.ParseMAIL("FROM:oink")
So(err, ShouldNotBeNil)
So(err.Error(), ShouldEqual, "Invalid syntax in MAIL command")
So(m, ShouldEqual, "")
})
Convey("ParseMAIL should be case-insensitive", t, func() {
m, err := proto.ParseMAIL("FROM:<oink>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink")
m, err = proto.ParseMAIL("from:<oink@mailhog.example>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink@mailhog.example")
m, err = proto.ParseMAIL("FrOm:<oink@oink.mailhog.example>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink@oink.mailhog.example")
})
Convey("ParseMAIL should support broken sender syntax", t, func() {
m, err := proto.ParseMAIL("FROM: <oink>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink")
m, err = proto.ParseMAIL("from: <oink@mailhog.example>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink@mailhog.example")
m, err = proto.ParseMAIL("FrOm: <oink@oink.mailhog.example>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink@oink.mailhog.example")
})
Convey("Error should be returned via Command", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("HELO localhost"))
So(proto.State, ShouldEqual, MAIL)
reply := proto.Command(ParseCommand("MAIL oink"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 550)
So(reply.Lines(), ShouldResemble, []string{"550 Invalid syntax in MAIL command\r\n"})
So(proto.State, ShouldEqual, MAIL)
})
Convey("ValidateSenderHandler should be called", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateSenderHandler = func(sender string) bool {
handlerCalled = true
So(sender, ShouldEqual, "oink@mailhog.example")
return true
}
proto.Start()
proto.Command(ParseCommand("HELO localhost"))
So(proto.State, ShouldEqual, MAIL)
reply := proto.Command(ParseCommand("MAIL From:<oink@mailhog.example>"))
So(handlerCalled, ShouldBeTrue)
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250 Sender oink@mailhog.example ok\r\n"})
So(proto.State, ShouldEqual, RCPT)
})
Convey("ValidateSenderHandler errors should be returned", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateSenderHandler = func(sender string) bool {
handlerCalled = true
So(sender, ShouldEqual, "oink@mailhog.example")
return false
}
proto.Start()
proto.Command(ParseCommand("HELO localhost"))
So(proto.State, ShouldEqual, MAIL)
reply := proto.Command(ParseCommand("MAIL From:<oink@mailhog.example>"))
So(handlerCalled, ShouldBeTrue)
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 550)
So(reply.Lines(), ShouldResemble, []string{"550 Invalid sender oink@mailhog.example\r\n"})
So(proto.State, ShouldEqual, MAIL)
})
}
func TestParseRCPT(t *testing.T) {
proto := NewProtocol()
Convey("ParseRCPT should parse RCPT command arguments", t, func() {
m, err := proto.ParseRCPT("TO:<oink@mailhog.example>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink@mailhog.example")
m, err = proto.ParseRCPT("TO:<oink>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink")
})
Convey("ParseRCPT should return an error for invalid syntax", t, func() {
m, err := proto.ParseRCPT("TO:oink")
So(err, ShouldNotBeNil)
So(err.Error(), ShouldEqual, "Invalid syntax in RCPT command")
So(m, ShouldEqual, "")
})
Convey("ParseRCPT should be case-insensitive", t, func() {
m, err := proto.ParseRCPT("TO:<oink>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink")
m, err = proto.ParseRCPT("to:<oink@mailhog.example>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink@mailhog.example")
m, err = proto.ParseRCPT("To:<oink@oink.mailhog.example>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink@oink.mailhog.example")
})
Convey("ParseRCPT should support broken recipient syntax", t, func() {
m, err := proto.ParseRCPT("TO: <oink>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink")
m, err = proto.ParseRCPT("to: <oink@mailhog.example>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink@mailhog.example")
m, err = proto.ParseRCPT("To: <oink@oink.mailhog.example>")
So(err, ShouldBeNil)
So(m, ShouldEqual, "oink@oink.mailhog.example")
})
Convey("Error should be returned via Command", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("HELO localhost"))
proto.Command(ParseCommand("MAIL FROM:<test>"))
So(proto.State, ShouldEqual, RCPT)
reply := proto.Command(ParseCommand("RCPT oink"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 550)
So(reply.Lines(), ShouldResemble, []string{"550 Invalid syntax in RCPT command\r\n"})
So(proto.State, ShouldEqual, RCPT)
})
Convey("ValidateRecipientHandler should be called", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateRecipientHandler = func(recipient string) bool {
handlerCalled = true
So(recipient, ShouldEqual, "oink@mailhog.example")
return true
}
proto.Start()
proto.Command(ParseCommand("HELO localhost"))
proto.Command(ParseCommand("MAIL FROM:<test>"))
So(proto.State, ShouldEqual, RCPT)
reply := proto.Command(ParseCommand("RCPT To:<oink@mailhog.example>"))
So(handlerCalled, ShouldBeTrue)
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250 Recipient oink@mailhog.example ok\r\n"})
So(proto.State, ShouldEqual, RCPT)
})
Convey("ValidateRecipientHandler errors should be returned", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateRecipientHandler = func(recipient string) bool {
handlerCalled = true
So(recipient, ShouldEqual, "oink@mailhog.example")
return false
}
proto.Start()
proto.Command(ParseCommand("HELO localhost"))
proto.Command(ParseCommand("MAIL FROM:<test>"))
So(proto.State, ShouldEqual, RCPT)
reply := proto.Command(ParseCommand("RCPT To:<oink@mailhog.example>"))
So(handlerCalled, ShouldBeTrue)
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 550)
So(reply.Lines(), ShouldResemble, []string{"550 Invalid recipient oink@mailhog.example\r\n"})
So(proto.State, ShouldEqual, RCPT)
})
}
func TestAuth(t *testing.T) {
Convey("AUTH should be listed in EHLO response", t, func() {
proto := NewProtocol()
proto.Start()
reply := proto.Command(ParseCommand("EHLO localhost"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 250)
So(reply.Lines(), ShouldResemble, []string{"250-Hello localhost\r\n", "250-PIPELINING\r\n", "250 SMTPUTF8\r\n"})
})
Convey("Invalid mechanism should be rejected", t, func() {
proto := NewProtocol()
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
reply := proto.Command(ParseCommand("AUTH OINK"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 504)
So(reply.Lines(), ShouldResemble, []string{"504 Unsupported authentication mechanism\r\n"})
})
}
func TestAuthExternal(t *testing.T) {
Convey("AUTH EXTERNAL should call ValidateAuthenticationHandler", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateAuthenticationHandler = func(mechanism string, args ...string) (*Reply, bool) {
handlerCalled = true
So(mechanism, ShouldEqual, "EXTERNAL")
So(len(args), ShouldEqual, 1)
So(args[0], ShouldEqual, "oink!")
return nil, true
}
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
reply := proto.Command(ParseCommand("AUTH EXTERNAL oink!"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 235)
So(reply.Lines(), ShouldResemble, []string{"235 Authentication successful\r\n"})
So(handlerCalled, ShouldBeTrue)
})
Convey("AUTH EXTERNAL ValidateAuthenticationHandler errors should be returned", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateAuthenticationHandler = func(mechanism string, args ...string) (*Reply, bool) {
handlerCalled = true
return ReplyError(errors.New("OINK :(")), false
}
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
reply := proto.Command(ParseCommand("AUTH EXTERNAL oink!"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 550)
So(reply.Lines(), ShouldResemble, []string{"550 OINK :(\r\n"})
So(handlerCalled, ShouldBeTrue)
})
}
func TestAuthPlain(t *testing.T) {
Convey("Inline AUTH PLAIN should call ValidateAuthenticationHandler", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateAuthenticationHandler = func(mechanism string, args ...string) (*Reply, bool) {
handlerCalled = true
So(mechanism, ShouldEqual, "PLAIN")
So(len(args), ShouldEqual, 2)
So(args[0], ShouldEqual, "test@mailhog.example")
So(args[1], ShouldEqual, "test")
return nil, true
}
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
reply := proto.Command(ParseCommand("AUTH PLAIN AHRlc3RAbWFpbGhvZy5leGFtcGxlAHRlc3Q="))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 235)
So(reply.Lines(), ShouldResemble, []string{"235 Authentication successful\r\n"})
So(handlerCalled, ShouldBeTrue)
})
Convey("Inline AUTH PLAIN ValidateAuthenticationHandler errors should be returned", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateAuthenticationHandler = func(mechanism string, args ...string) (*Reply, bool) {
handlerCalled = true
return ReplyError(errors.New("OINK :(")), false
}
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
reply := proto.Command(ParseCommand("AUTH PLAIN oink!"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 550)
So(reply.Lines(), ShouldResemble, []string{"550 Badly formed parameter\r\n"})
So(handlerCalled, ShouldBeFalse)
})
Convey("Two part AUTH PLAIN should call ValidateAuthenticationHandler", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateAuthenticationHandler = func(mechanism string, args ...string) (*Reply, bool) {
handlerCalled = true
So(mechanism, ShouldEqual, "PLAIN")
So(len(args), ShouldEqual, 2)
So(args[0], ShouldEqual, "test@mailhog.example")
So(args[1], ShouldEqual, "test")
return nil, true
}
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
reply := proto.Command(ParseCommand("AUTH PLAIN"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 334)
So(reply.Lines(), ShouldResemble, []string{"334 \r\n"})
_, reply = proto.Parse("AHRlc3RAbWFpbGhvZy5leGFtcGxlAHRlc3Q=\r\n")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 235)
So(reply.Lines(), ShouldResemble, []string{"235 Authentication successful\r\n"})
So(handlerCalled, ShouldBeTrue)
})
Convey("Two part AUTH PLAIN ValidateAuthenticationHandler errors should be returned", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateAuthenticationHandler = func(mechanism string, args ...string) (*Reply, bool) {
handlerCalled = true
return ReplyError(errors.New("OINK :(")), false
}
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
reply := proto.Command(ParseCommand("AUTH PLAIN"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 334)
So(reply.Lines(), ShouldResemble, []string{"334 \r\n"})
_, reply = proto.Parse("AHRlc3RAbWFpbGhvZy5leGFtcGxlAHRlc3Q=\r\n")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 550)
So(reply.Lines(), ShouldResemble, []string{"550 OINK :(\r\n"})
So(handlerCalled, ShouldBeTrue)
})
}
func TestAuthCramMD5(t *testing.T) {
Convey("Two part AUTH CRAM-MD5 should call ValidateAuthenticationHandler", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateAuthenticationHandler = func(mechanism string, args ...string) (*Reply, bool) {
handlerCalled = true
So(mechanism, ShouldEqual, "CRAM-MD5")
So(len(args), ShouldEqual, 1)
So(args[0], ShouldEqual, "oink!")
return nil, true
}
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
reply := proto.Command(ParseCommand("AUTH CRAM-MD5"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 334)
So(reply.Lines(), ShouldResemble, []string{"334 PDQxOTI5NDIzNDEuMTI4Mjg0NzJAc291cmNlZm91ci5hbmRyZXcuY211LmVkdT4=\r\n"})
_, reply = proto.Parse("oink!\r\n")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 235)
So(reply.Lines(), ShouldResemble, []string{"235 Authentication successful\r\n"})
So(handlerCalled, ShouldBeTrue)
})
Convey("Two part AUTH CRAM-MD5 ValidateAuthenticationHandler errors should be returned", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateAuthenticationHandler = func(mechanism string, args ...string) (*Reply, bool) {
handlerCalled = true
return ReplyError(errors.New("OINK :(")), false
}
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
reply := proto.Command(ParseCommand("AUTH CRAM-MD5"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 334)
So(reply.Lines(), ShouldResemble, []string{"334 PDQxOTI5NDIzNDEuMTI4Mjg0NzJAc291cmNlZm91ci5hbmRyZXcuY211LmVkdT4=\r\n"})
_, reply = proto.Parse("oink!\r\n")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 550)
So(reply.Lines(), ShouldResemble, []string{"550 OINK :(\r\n"})
So(handlerCalled, ShouldBeTrue)
})
}
func TestAuthLogin(t *testing.T) {
Convey("AUTH LOGIN should call ValidateAuthenticationHandler", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateAuthenticationHandler = func(mechanism string, args ...string) (*Reply, bool) {
handlerCalled = true
So(mechanism, ShouldEqual, "LOGIN")
So(len(args), ShouldEqual, 2)
So(args[0], ShouldEqual, "username!")
So(args[1], ShouldEqual, "password!")
return nil, true
}
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
reply := proto.Command(ParseCommand("AUTH LOGIN"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 334)
So(reply.Lines(), ShouldResemble, []string{"334 VXNlcm5hbWU6\r\n"})
_, reply = proto.Parse("username!\r\n")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 334)
So(reply.Lines(), ShouldResemble, []string{"334 UGFzc3dvcmQ6\r\n"})
_, reply = proto.Parse("password!\r\n")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 235)
So(reply.Lines(), ShouldResemble, []string{"235 Authentication successful\r\n"})
So(handlerCalled, ShouldBeTrue)
})
Convey("AUTH LOGIN ValidateAuthenticationHandler errors should be returned", t, func() {
proto := NewProtocol()
handlerCalled := false
proto.ValidateAuthenticationHandler = func(mechanism string, args ...string) (*Reply, bool) {
handlerCalled = true
return ReplyError(errors.New("OINK :(")), false
}
proto.Start()
proto.Command(ParseCommand("EHLO localhost"))
reply := proto.Command(ParseCommand("AUTH LOGIN"))
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 334)
So(reply.Lines(), ShouldResemble, []string{"334 VXNlcm5hbWU6\r\n"})
_, reply = proto.Parse("username!\r\n")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 334)
So(reply.Lines(), ShouldResemble, []string{"334 UGFzc3dvcmQ6\r\n"})
_, reply = proto.Parse("password!\r\n")
So(reply, ShouldNotBeNil)
So(reply.Status, ShouldEqual, 550)
So(reply.Lines(), ShouldResemble, []string{"550 OINK :(\r\n"})
So(handlerCalled, ShouldBeTrue)
})
}
func TestUnicodeAddressSupport(t *testing.T) {