Bump go-smtp version, update tests to expect LF in messages

Upstream change fixes \r\n\r\n being mangled into \r\n\n.

Author: foxcpp

go.mod

@@ -17,7 +17,7 @@ require (
 	github.com/emersion/go-milter v0.1.1-0.20200513090417-c3e74efc8df9
 	github.com/emersion/go-msgauth v0.5.0
 	github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21
-	github.com/emersion/go-smtp v0.13.1-0.20200721085548-87b76f44681a
+	github.com/emersion/go-smtp v0.13.1-0.20200724113925-09421d11e5b0
 	github.com/foxcpp/go-dovecot-sasl v0.0.0-20200522223722-c4699d7a24bf
 	github.com/foxcpp/go-imap-i18nlevel v0.0.0-20200208001533-d6ec88553005
 	github.com/foxcpp/go-imap-sql v0.4.1-0.20200719153150-6551cd572c1c

go.sum

@@ -58,6 +58,8 @@ github.com/emersion/go-smtp v0.13.1-0.20200521085049-d143b3ef4b5e h1:y2iLWskJUT3
 github.com/emersion/go-smtp v0.13.1-0.20200521085049-d143b3ef4b5e/go.mod h1:qm27SGYgoIPRot6ubfQ/GpiPy/g3PaZAVRxiO/sDUgQ=
 github.com/emersion/go-smtp v0.13.1-0.20200721085548-87b76f44681a h1:tswS/0NdSOgkDP9I+9lulxsWcLalddcX2t0zSFUB57I=
 github.com/emersion/go-smtp v0.13.1-0.20200721085548-87b76f44681a/go.mod h1:qm27SGYgoIPRot6ubfQ/GpiPy/g3PaZAVRxiO/sDUgQ=
+github.com/emersion/go-smtp v0.13.1-0.20200724113925-09421d11e5b0 h1:110GWeGuYRg82JJxTAucVmonobbR79ubOWFvDAE5rQM=
+github.com/emersion/go-smtp v0.13.1-0.20200724113925-09421d11e5b0/go.mod h1:qm27SGYgoIPRot6ubfQ/GpiPy/g3PaZAVRxiO/sDUgQ=
 github.com/emersion/go-textwrapper v0.0.0-20160606182133-d0e65e56babe h1:40SWqY0zE3qCi6ZrtTf5OUdNm5lDnGnjRSq9GgmeTrg=
 github.com/emersion/go-textwrapper v0.0.0-20160606182133-d0e65e56babe/go.mod h1:aqO8z8wPrjkscevZJFVE1wXJrLpC5LtJG7fqLOsPb2U=
 github.com/foxcpp/go-dovecot-sasl v0.0.0-20200522223722-c4699d7a24bf h1:rmBPY5fryjp9zLQYsUmQqqgsYq7qeVfrjtr96Tf9vD8=

internal/target/queue/queue_test.go

@@ -589,7 +589,7 @@ func TestQueueDelivery_AbortNoDangling(t *testing.T) {
 	IDRaw := sha1.Sum([]byte(t.Name()))
 	encodedID := hex.EncodeToString(IDRaw[:])
 
-	body := buffer.MemoryBuffer{Slice: []byte("foobar")}
+	body := buffer.MemoryBuffer{Slice: []byte("foobar\r\n")}
 	ctx := module.MsgMetadata{
 		DontTraceSender: true,
 		ID:              encodedID,
@@ -764,7 +764,7 @@ func TestQueueDSN_RcptRewrite(t *testing.T) {
 	IDRaw := sha1.Sum([]byte(t.Name()))
 	encodedID := hex.EncodeToString(IDRaw[:])
 
-	body := buffer.MemoryBuffer{Slice: []byte("foobar")}
+	body := buffer.MemoryBuffer{Slice: []byte("foobar\r\n")}
 	ctx := module.MsgMetadata{
 		DontTraceSender: true,
 		OriginalFrom:    "test3@example.org",

internal/testutils/smtp_server.go

@@ -72,7 +72,7 @@ func (be *SMTPBackend) CheckMsg(t *testing.T, indx int, from string, rcptTo []st
 		t.Errorf("Wrong RCPT TO: %v", msg.To)
 	}
 	if string(msg.Data) != DeliveryData {
-		t.Errorf("Wrong DATA payload: %v", string(msg.Data))
+		t.Errorf("Wrong DATA payload: %v (%v)", string(msg.Data), msg.Data)
 	}
 }
 

internal/testutils/target.go

@@ -225,10 +225,10 @@ func DoTestDeliveryNonAtomic(t *testing.T, c module.StatusCollector, tgt module.
 	return encodedID
 }
 
-const DeliveryData = "A: 1\n" +
-	"B: 2\n" +
-	"\n" +
-	"foobar\n"
+const DeliveryData = "A: 1\r\n" +
+	"B: 2\r\n" +
+	"\r\n" +
+	"foobar\r\n"
 
 func DoTestDeliveryErr(t *testing.T, tgt module.DeliveryTarget, from string, to []string) (string, error) {
 	return DoTestDeliveryErrMeta(t, tgt, from, to, &module.MsgMetadata{})
@@ -241,7 +241,7 @@ func DoTestDeliveryErrMeta(t *testing.T, tgt module.DeliveryTarget, from string,
 	encodedID := hex.EncodeToString(IDRaw[:])
 	testCtx := context.Background()
 
-	body := buffer.MemoryBuffer{Slice: []byte("foobar\n")}
+	body := buffer.MemoryBuffer{Slice: []byte("foobar\r\n")}
 	msgMeta.DontTraceSender = true
 	msgMeta.ID = encodedID
 	t.Log("-- tgt.Start", from)
@@ -318,8 +318,8 @@ func CheckMsgID(t *testing.T, msg *Msg, sender string, rcpt []string, id string)
 	if !reflect.DeepEqual(msg.RcptTo, rcpt) {
 		t.Errorf("wrong recipients, want %v, got %v", rcpt, msg.RcptTo)
 	}
-	if string(msg.Body) != "foobar\n" {
-		t.Errorf("wrong body, want '%s', got '%s'", "foobar", string(msg.Body))
+	if string(msg.Body) != "foobar\r\n" {
+		t.Errorf("wrong body, want '%s', got '%s' (%v)", "foobar\r\n", string(msg.Body), msg.Body)
 	}
 
 	return msg.MsgMeta.ID