// TestEvent tests the event construction.
func TestEvent(t *testing.T) {
assert := audit.NewTestingAssertion(t, true)
event, err := cells.NewEvent("foo", "bar", nil)
assert.Nil(err)
assert.Equal(event.Topic(), "foo")
assert.Equal(event.String(), "<topic: \"foo\" / payload: <\"default\": bar>>")
bar, ok := event.Payload().Get(cells.DefaultPayload)
assert.True(ok)
assert.Equal(bar, "bar")
_, err = cells.NewEvent("", nil, nil)
assert.True(cells.IsNoTopicError(err))
_, err = cells.NewEvent("yadda", nil, nil)
assert.Nil(err)
}
// BenchmarkSmpleEmitStandardMonitoring is a simple emitting to one cell
// with the standard monitor.
func BenchmarkSmpleEmitStandardMonitoring(b *testing.B) {
monitoring.SetBackend(monitoring.NewStandardBackend())
env := cells.NewEnvironment("simple-emit-standard")
defer env.Stop()
env.StartCell("null", &nullBehavior{})
event, _ := cells.NewEvent("foo", "bar", nil)
for i := 0; i < b.N; i++ {
env.Emit("null", event)
}
}
// TestMapperBehavior tests the mapping of events.
func TestMapperBehavior(t *testing.T) {
assert := audit.NewTestingAssertion(t, true)
assertPayload := func(collected interface{}, index int, value string) {
eventData, ok := collected.([]behaviors.EventData)
assert.True(ok)
payload, ok := eventData[index].Payload.(cells.Payload)
assert.True(ok)
upperText, ok := payload.Get("upper-text")
assert.True(ok)
assert.Equal(upperText, value)
}
env := cells.NewEnvironment("mapper-behavior")
defer env.Stop()
mf := func(id string, event cells.Event) (cells.Event, error) {
text, ok := event.Payload().Get(cells.DefaultPayload)
if !ok {
return event, nil
}
pv := cells.PayloadValues{
"upper-text": strings.ToUpper(text.(string)),
}
payload := event.Payload().Apply(pv)
return cells.NewEvent(event.Topic(), payload, event.Context())
}
env.StartCell("mapper", behaviors.NewMapperBehavior(mf))
env.StartCell("collector", behaviors.NewCollectorBehavior(10))
env.Subscribe("mapper", "collector")
env.EmitNew("mapper", "a", "abc")
env.EmitNew("mapper", "b", "def")
env.EmitNew("mapper", "c", "ghi")
time.Sleep(100 * time.Millisecond)
collected, err := env.Request("collector", cells.CollectedTopic, nil, cells.DefaultTimeout)
assert.Nil(err)
assert.Length(collected, 3, "three mapped events")
assertPayload(collected, 0, "ABC")
assertPayload(collected, 1, "DEF")
assertPayload(collected, 2, "GHI")
}