cwtch/model/message_test.go

package model

import (
	"git.mascherari.press/cwtch/protocol"
	"github.com/golang/protobuf/proto"
	"testing"
	"time"
)

func TestTranscriptConsistency(t *testing.T) {
	timeline := new(Timeline)

	// Setup the Group
	sarah := GenerateNewProfile("Sarah")
	alice := GenerateNewProfile("Alice")
	sarah.AddContact(alice.Onion, alice.PublicProfile)
	alice.AddContact(sarah.Onion, sarah.PublicProfile)

	gid, invite := alice.StartGroup("aaa.onion")
	gci := &protocol.CwtchPeerPacket{}
	proto.Unmarshal(invite, gci)
	sarah.ProcessInvite(gci.GetGroupChatInvite(), alice.Onion)

	group := alice.GetGroupByGroupId(gid)

	c1 := sarah.EncryptMessageToGroup("Hello World 1", group.GroupID)
	alice.AttemptDecryption(c1)

	c2 := alice.EncryptMessageToGroup("Hello World 2", group.GroupID)
	alice.AttemptDecryption(c2)

	c3 := alice.EncryptMessageToGroup("Hello World 3", group.GroupID)
	alice.AttemptDecryption(c3)

	time.Sleep(time.Second * 1)

	c4 := alice.EncryptMessageToGroup("Hello World 4", group.GroupID)
	alice.AttemptDecryption(c4)

	c5 := alice.EncryptMessageToGroup("Hello World 5", group.GroupID)

	_, m1 := sarah.AttemptDecryption(c1)
	_, m2 := sarah.AttemptDecryption(c2)
	_, m3 := sarah.AttemptDecryption(c3)
	_, m4 := sarah.AttemptDecryption(c4)
	_, m5 := sarah.AttemptDecryption(c5)

	// Now we simulate a client receiving these messages completely out of order
	timeline.Insert(m1)
	timeline.Insert(m5)
	timeline.Insert(m4)
	timeline.Insert(m3)
	timeline.Insert(m2)

	for i, m := range timeline.Messages {
		t.Logf("Messages %v: %v %x %x", i, m.Message, m.Signature, m.PreviousMessageSig)
	}
}