// TestTicker tests the usage of tickers.
func TestTicker(t *testing.T) {
assert := asserts.NewTestingAsserts(t, true)
provider := config.NewMapConfigurationProvider()
config := config.New(provider)
config.Set("backend", "single")
err := ebus.Init(config)
assert.Nil(err, "single node backend started")
testAgent := ebus.NewTestAgent(1)
_, err = ebus.Register(testAgent)
assert.Nil(err, "test agent registered")
err = ebus.Subscribe(testAgent, "tick", "tock")
logAgent := ebus.NewLogAgent("logger")
_, err = ebus.Register(logAgent)
assert.Nil(err, "log agent registered")
err = ebus.Subscribe(logAgent, "tick")
err = ebus.AddTicker("foo", 100*time.Millisecond, "tick", "tock")
assert.Nil(err, "ticker foo added")
err = ebus.AddTicker("bar", 500*time.Millisecond, "tock")
assert.Nil(err, "ticker bar added")
time.Sleep(1050 * time.Millisecond)
assert.Equal(testAgent.Counters["tick"], 10, "got all ticks")
assert.Equal(testAgent.Counters["tock"], 12, "got all tocks")
err = ebus.AddTicker("foo", 100*time.Millisecond, "tick", "tock")
assert.True(ebus.IsDuplicateTickerError(err), "can't add ticker twice")
err = ebus.RemoveTicker("bar")
assert.Nil(err, "ticker bar removed")
err = ebus.RemoveTicker("bar")
assert.True(ebus.IsTickerNotFoundError(err), "ticker bar is already removed")
err = ebus.Stop()
assert.Nil(err, "ebus stopped")
err = ebus.RemoveTicker("foo")
assert.True(ebus.IsTickerNotFoundError(err), "ticker foo is removed by ebus stopping")
}
func StartManufacturerAgent() error {
a := &ManufacturerAgent{
id: ebus.Id("Manufacturer"),
openOrders: make(map[int]int),
orderedTopic: "ManufacturerItemOrdered",
manufacturedTopic: "OrderedItemsManufactured",
}
_, err := ebus.Register(a)
if err != nil {
return err
}
ebus.AddTicker("Manufacturing", time.Second, a.manufacturedTopic)
ebus.Subscribe(a, a.orderedTopic)
ebus.Subscribe(a, a.manufacturedTopic)
return nil
}
func StartWarehouseAgent() error {
a := &WarehouseAgent{
id: ebus.Id("Warehouse"),
inventory: make(map[int]int),
openOrders: make(map[int]map[int]OrderItem),
orderedTopic: "WarehouseItemOrdered",
shippedTopic: "ManufacturingShipped",
preparedTopic: "OrderItemsPrepared",
}
_, err := ebus.Register(a)
if err != nil {
return err
}
ebus.AddTicker("Warehouse", time.Second, a.preparedTopic)
ebus.Subscribe(a, a.orderedTopic)
ebus.Subscribe(a, a.shippedTopic)
ebus.Subscribe(a, a.preparedTopic)
return nil
}