op-geth/ethreact/reactor_test.go

64 lines
1.3 KiB
Go

package ethreact
import (
"fmt"
"testing"
)
func TestReactorAdd(t *testing.T) {
reactor := New()
ch := make(chan Event)
reactor.Subscribe("test", ch)
if reactor.eventHandlers["test"] == nil {
t.Error("Expected new eventHandler to be created")
}
reactor.Unsubscribe("test", ch)
if reactor.eventHandlers["test"] != nil {
t.Error("Expected eventHandler to be removed")
}
}
func TestReactorEvent(t *testing.T) {
var name string
reactor := New()
// Buffer the channel, so it doesn't block for this test
cap := 20
ch := make(chan Event, cap)
reactor.Subscribe("even", ch)
reactor.Subscribe("odd", ch)
reactor.Post("even", "disappears") // should not broadcast if engine not started
reactor.Start()
for i := 0; i < cap; i++ {
if i%2 == 0 {
name = "even"
} else {
name = "odd"
}
reactor.Post(name, i)
}
reactor.Post("test", cap) // this should not block
i := 0
reactor.Flush()
close(ch)
for event := range ch {
fmt.Printf("%d: %v", i, event)
if i%2 == 0 {
name = "even"
} else {
name = "odd"
}
if val, ok := event.Resource.(int); ok {
if i != val || event.Name != name {
t.Error("Expected event %d to be of type %s and resource %d, got ", i, name, i, val)
}
} else {
t.Error("Unable to cast")
}
i++
}
if i != cap {
t.Error("excpected exactly %d events, got ", i)
}
reactor.Stop()
}