func UpdaterSpec(c gospec.Context) {
c.Specify("Basic Updater functionality.", func() {
var params core.EngineParams
params.Id = 1234
params.Delay = 2
params.Frame_ms = 5
params.Max_frames = 25
var updater core.Updater
updater.Params = params
local_bundles := make(chan core.FrameBundle)
broadcast_bundles := make(chan core.FrameBundle)
remote_bundles := make(chan core.FrameBundle)
updater.Local_bundles = local_bundles
updater.Broadcast_bundles = broadcast_bundles
updater.Remote_bundles = remote_bundles
data := core.FrameData{
Bundle: nil,
Game: &TestGame{},
Info: core.EngineInfo{
Engines: map[core.EngineId]bool{
params.Id: true,
params.Id + 1: true,
},
},
}
var start_frame core.StateFrame = 10
updater.Start(start_frame, data)
go func() {
for _ = range broadcast_bundles {
}
}()
defer close(broadcast_bundles)
cur_frame := start_frame + 1
c.Specify("Local game Events are applied properly.", func() {
for cur_frame = start_frame + 1; cur_frame <= start_frame+5; cur_frame++ {
local_bundles <- core.FrameBundle{
Frame: cur_frame,
Bundle: core.EventBundle{
params.Id: core.AllEvents{
Game: []core.Event{
EventA{2},
EventB{fmt.Sprintf("%d", cur_frame)},
},
},
params.Id + 1: core.AllEvents{
Game: []core.Event{
EventA{1},
EventB{fmt.Sprintf("%d", cur_frame)},
},
},
},
}
}
state, _ := updater.RequestFinalGameState(cur_frame - 1)
c.Expect(state, Not(Equals), nil)
tg := state.(*TestGame)
c.Expect(tg.Thinks, Equals, 5)
c.Expect(tg.A, Equals, 15)
c.Expect(tg.B, Equals, fmt.Sprintf("%d", cur_frame-1))
})
// Same test as above, but one of the engine's events come through the
// remote_bundles channel.
c.Specify("Remote game Events are applied properly.", func() {
for cur_frame = start_frame + 1; cur_frame <= start_frame+5; cur_frame++ {
local_bundles <- core.FrameBundle{
Frame: cur_frame,
Bundle: core.EventBundle{
params.Id: core.AllEvents{
Game: []core.Event{
EventA{2},
EventB{fmt.Sprintf("%d", cur_frame)},
},
},
},
}
remote_bundles <- core.FrameBundle{
Frame: cur_frame,
Bundle: core.EventBundle{
params.Id + 1: core.AllEvents{
Game: []core.Event{
EventA{1},
EventB{fmt.Sprintf("%d", cur_frame)},
},
},
},
}
}
state, _ := updater.RequestFinalGameState(cur_frame - 1)
c.Expect(state, Not(Equals), nil)
tg := state.(*TestGame)
c.Expect(tg.Thinks, Equals, 5)
c.Expect(tg.A, Equals, 15)
c.Expect(tg.B, Equals, fmt.Sprintf("%d", cur_frame-1))
})
// Similar test as above but we drop and rejoin one of the engines.
c.Specify("Engine Events are applied properly.", func() {
local_bundles <- core.FrameBundle{
Frame: cur_frame,
Bundle: core.EventBundle{
params.Id: core.AllEvents{
Engine: []core.EngineEvent{
core.EngineDropped{params.Id + 1},
},
Game: []core.Event{
EventA{1},
},
},
params.Id + 1: core.AllEvents{
Game: []core.Event{
EventA{1},
},
},
},
}
local_bundles <- core.FrameBundle{
Frame: cur_frame + 1,
Bundle: core.EventBundle{
params.Id: core.AllEvents{
Engine: []core.EngineEvent{
core.EngineJoined{params.Id + 1},
},
Game: []core.Event{
EventA{1},
},
},
params.Id + 1: core.AllEvents{ // These events should not get applied
Game: []core.Event{
EventA{1},
},
},
},
}
local_bundles <- core.FrameBundle{
Frame: cur_frame + 2,
Bundle: core.EventBundle{
params.Id: core.AllEvents{
Game: []core.Event{
EventA{1},
},
},
params.Id + 1: core.AllEvents{ // These events should get applied
Game: []core.Event{
EventA{1},
},
},
},
}
state, _ := updater.RequestFinalGameState(-1)
c.Expect(state, Not(Equals), nil)
tg := state.(*TestGame)
c.Expect(tg.Thinks, Equals, 3)
c.Expect(tg.A, Equals, 5)
})
})
}
func BundlerSpec(c gospec.Context) {
c.Specify("Basic Bundler functionality.", func() {
var params core.EngineParams
params.Id = 1234
params.Delay = 2
params.Frame_ms = 5
params.Max_frames = 25
bundles := make(chan core.FrameBundle)
local_event := make(chan core.Event)
var bundler core.Bundler
bundler.Params = params
bundler.Local_bundles = bundles
bundler.Local_event = local_event
bundler.Time_delta = nil
ticker := &core.FakeTicker{}
bundler.Ticker = ticker
bundler.Start()
c.Expect(1, Equals, 1)
go func() {
for i := 0; i < 10; i++ {
if i%2 == 0 {
local_event <- &EventA{i}
local_event <- &EventB{fmt.Sprintf("%d", i)}
} else {
local_event <- &EventB{fmt.Sprintf("%d", i)}
local_event <- &EventA{i}
}
// Advance two frames, so we will have two events per every other
// frame.
ticker.Inc(10)
}
bundler.Shutdown()
}()
var frame core.StateFrame = 0
for bundle := range bundles {
c.Expect(bundle.Frame, Equals, frame)
events, ok := bundle.Bundle[params.Id]
c.Assume(ok, Equals, true)
c.Expect(len(events.Engine), Equals, 0)
if ok {
if frame%2 == 0 {
c.Expect(len(events.Game), Equals, 2)
} else {
c.Expect(len(events.Game), Equals, 0)
}
}
if frame%2 == 0 {
c.Expect(len(bundle.Bundle), Equals, 1)
c.Specify("checking bundle values", func() {
index_a := 0
if frame%4 != 0 {
index_a = 1
}
ea, aok := events.Game[index_a].(*EventA)
eb, bok := events.Game[(index_a+1)%2].(*EventB)
c.Assume(aok, Equals, true)
c.Assume(bok, Equals, true)
c.Specify("checking event data", func() {
c.Expect(ea.Data, Equals, int(frame/2))
c.Expect(eb.Data, Equals, fmt.Sprintf("%d", frame/2))
})
})
}
frame++
}
})
}