uquic/internal/handshake/session_ticket_test.go
2023-10-26 22:47:22 -06:00

86 lines
3.5 KiB
Go

package handshake
import (
"time"
"github.com/refraction-networking/uquic/internal/wire"
"github.com/refraction-networking/uquic/quicvarint"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = Describe("Session Ticket", func() {
It("marshals and unmarshals a 0-RTT session ticket", func() {
ticket := &sessionTicket{
Parameters: &wire.TransportParameters{
InitialMaxStreamDataBidiLocal: 1,
InitialMaxStreamDataBidiRemote: 2,
ActiveConnectionIDLimit: 10,
MaxDatagramFrameSize: 20,
},
RTT: 1337 * time.Microsecond,
}
var t sessionTicket
Expect(t.Unmarshal(ticket.Marshal(), true)).To(Succeed())
Expect(t.Parameters.InitialMaxStreamDataBidiLocal).To(BeEquivalentTo(1))
Expect(t.Parameters.InitialMaxStreamDataBidiRemote).To(BeEquivalentTo(2))
Expect(t.Parameters.ActiveConnectionIDLimit).To(BeEquivalentTo(10))
Expect(t.Parameters.MaxDatagramFrameSize).To(BeEquivalentTo(20))
Expect(t.RTT).To(Equal(1337 * time.Microsecond))
// fails to unmarshal the ticket as a non-0-RTT ticket
Expect(t.Unmarshal(ticket.Marshal(), false)).To(MatchError("the session ticket has more bytes than expected"))
})
It("marshals and unmarshals a non-0-RTT session ticket", func() {
ticket := &sessionTicket{
RTT: 1337 * time.Microsecond,
}
var t sessionTicket
Expect(t.Unmarshal(ticket.Marshal(), false)).To(Succeed())
Expect(t.Parameters).To(BeNil())
Expect(t.RTT).To(Equal(1337 * time.Microsecond))
// fails to unmarshal the ticket as a 0-RTT ticket
Expect(t.Unmarshal(ticket.Marshal(), true)).To(MatchError(ContainSubstring("unmarshaling transport parameters from session ticket failed")))
})
It("refuses to unmarshal if the ticket is too short for the revision", func() {
Expect((&sessionTicket{}).Unmarshal([]byte{}, true)).To(MatchError("failed to read session ticket revision"))
Expect((&sessionTicket{}).Unmarshal([]byte{}, false)).To(MatchError("failed to read session ticket revision"))
})
It("refuses to unmarshal if the revision doesn't match", func() {
b := quicvarint.Append(nil, 1337)
Expect((&sessionTicket{}).Unmarshal(b, true)).To(MatchError("unknown session ticket revision: 1337"))
Expect((&sessionTicket{}).Unmarshal(b, false)).To(MatchError("unknown session ticket revision: 1337"))
})
It("refuses to unmarshal if the RTT cannot be read", func() {
b := quicvarint.Append(nil, sessionTicketRevision)
Expect((&sessionTicket{}).Unmarshal(b, true)).To(MatchError("failed to read RTT"))
Expect((&sessionTicket{}).Unmarshal(b, false)).To(MatchError("failed to read RTT"))
})
It("refuses to unmarshal a 0-RTT session ticket if unmarshaling the transport parameters fails", func() {
b := quicvarint.Append(nil, sessionTicketRevision)
b = append(b, []byte("foobar")...)
err := (&sessionTicket{}).Unmarshal(b, true)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("unmarshaling transport parameters from session ticket failed"))
})
It("refuses to unmarshal if the non-0-RTT session ticket has more bytes than expected", func() {
ticket := &sessionTicket{
Parameters: &wire.TransportParameters{
InitialMaxStreamDataBidiLocal: 1,
InitialMaxStreamDataBidiRemote: 2,
ActiveConnectionIDLimit: 10,
MaxDatagramFrameSize: 20,
},
RTT: 1234 * time.Microsecond,
}
err := (&sessionTicket{}).Unmarshal(ticket.Marshal(), false)
Expect(err).To(HaveOccurred())
Expect(err.Error()).To(ContainSubstring("the session ticket has more bytes than expected"))
})
})