func TestHandleJoinRequestPackets(t *testing.T) {
conf := common.GetTestConfig()
Convey("Given a dummy gateway and application backend and a clean Postgres and Redis database", t, func() {
a := &testApplicationBackend{
rxPayloadChan: make(chan models.RXPayload, 1),
notificationPayloadChan: make(chan interface{}, 10),
}
g := &testGatewayBackend{
rxPacketChan: make(chan models.RXPacket, 1),
txPacketChan: make(chan models.TXPacket, 1),
}
p := storage.NewRedisPool(conf.RedisURL)
common.MustFlushRedis(p)
db, err := storage.OpenDatabase(conf.PostgresDSN)
So(err, ShouldBeNil)
common.MustResetDB(db)
ctx := Context{
RedisPool: p,
Gateway: g,
Application: a,
DB: db,
}
Convey("Given a node and application in the database", func() {
app := models.Application{
AppEUI: [8]byte{1, 2, 3, 4, 5, 6, 7, 8},
Name: "test app",
}
So(storage.CreateApplication(ctx.DB, app), ShouldBeNil)
node := models.Node{
DevEUI: [8]byte{8, 7, 6, 5, 4, 3, 2, 1},
AppEUI: app.AppEUI,
AppKey: [16]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16},
RXDelay: 3,
RX1DROffset: 2,
}
So(storage.CreateNode(ctx.DB, node), ShouldBeNil)
Convey("Given a JoinRequest with correct DevEUI but incorrect AppEUI", func() {
phy := lorawan.PHYPayload{
MHDR: lorawan.MHDR{
MType: lorawan.JoinRequest,
Major: lorawan.LoRaWANR1,
},
MACPayload: &lorawan.JoinRequestPayload{
AppEUI: [8]byte{1, 2, 3, 4, 5, 6, 7, 9},
DevEUI: node.DevEUI,
DevNonce: [2]byte{1, 2},
},
}
So(phy.SetMIC(node.AppKey), ShouldBeNil)
rxPacket := models.RXPacket{
PHYPayload: phy,
RXInfo: models.RXInfo{
Frequency: common.Band.UplinkChannels[0].Frequency,
DataRate: common.Band.DataRates[common.Band.UplinkChannels[0].DataRates[0]],
},
}
Convey("then handleRXPacket returns an error", func() {
So(handleRXPacket(ctx, rxPacket), ShouldResemble, errors.New("node 0807060504030201 belongs to application 0102030405060708, 0102030405060709 was given"))
})
})
Convey("Given a JoinRequest packet", func() {
phy := lorawan.PHYPayload{
MHDR: lorawan.MHDR{
MType: lorawan.JoinRequest,
Major: lorawan.LoRaWANR1,
},
MACPayload: &lorawan.JoinRequestPayload{
AppEUI: app.AppEUI,
DevEUI: node.DevEUI,
DevNonce: [2]byte{1, 2},
},
}
So(phy.SetMIC(node.AppKey), ShouldBeNil)
rxPacket := models.RXPacket{
PHYPayload: phy,
RXInfo: models.RXInfo{
Frequency: common.Band.UplinkChannels[0].Frequency,
DataRate: common.Band.DataRates[common.Band.UplinkChannels[0].DataRates[0]],
},
}
Convey("When calling handleRXPacket", func() {
So(handleRXPacket(ctx, rxPacket), ShouldBeNil)
Convey("Then a JoinAccept was sent to the node", func() {
txPacket := <-g.txPacketChan
phy := txPacket.PHYPayload
So(phy.DecryptJoinAcceptPayload(node.AppKey), ShouldBeNil)
So(phy.MHDR.MType, ShouldEqual, lorawan.JoinAccept)
Convey("Then it was sent after 5s", func() {
So(txPacket.TXInfo.Timestamp, ShouldEqual, rxPacket.RXInfo.Timestamp+uint32(5*time.Second/time.Microsecond))
})
Convey("Then the RXDelay is set to 3s", func() {
jaPL := phy.MACPayload.(*lorawan.JoinAcceptPayload)
So(jaPL.RXDelay, ShouldEqual, 3)
})
Convey("Then the DLSettings are set correctly", func() {
jaPL := phy.MACPayload.(*lorawan.JoinAcceptPayload)
So(jaPL.DLSettings.RX2DataRate, ShouldEqual, uint8(common.Band.RX2DataRate))
So(jaPL.DLSettings.RX1DROffset, ShouldEqual, node.RX1DROffset)
})
Convey("Then a node-session was created", func() {
jaPL := phy.MACPayload.(*lorawan.JoinAcceptPayload)
_, err := storage.GetNodeSession(ctx.RedisPool, jaPL.DevAddr)
So(err, ShouldBeNil)
})
Convey("Then the dev-nonce was added to the used dev-nonces", func() {
node, err := storage.GetNode(ctx.DB, node.DevEUI)
So(err, ShouldBeNil)
So([2]byte{1, 2}, ShouldBeIn, node.UsedDevNonces)
})
Convey("Then a join notification was sent to the application", func() {
notification := <-a.notificationPayloadChan
join, ok := notification.(models.JoinNotification)
So(ok, ShouldBeTrue)
So(join.DevEUI, ShouldResemble, node.DevEUI)
})
})
})
})
})
})
}
