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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package filters
import (
"testing"
"time"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/event"
)
func TestCallbacks(t *testing.T) {
var (
mux event.TypeMux
fs = NewFilterSystem(&mux)
blockDone = make(chan struct{})
txDone = make(chan struct{})
logDone = make(chan struct{})
removedLogDone = make(chan struct{})
pendingLogDone = make(chan struct{})
)
blockFilter := &Filter{
BlockCallback: func(*types.Block, vm.Logs) {
close(blockDone)
},
}
txFilter := &Filter{
TransactionCallback: func(*types.Transaction) {
close(txDone)
},
}
logFilter := &Filter{
LogCallback: func(l *vm.Log, oob bool) {
if !oob {
close(logDone)
}
},
}
removedLogFilter := &Filter{
LogCallback: func(l *vm.Log, oob bool) {
if oob {
close(removedLogDone)
}
},
}
pendingLogFilter := &Filter{
LogCallback: func(*vm.Log, bool) {
close(pendingLogDone)
},
}
fs.Add(blockFilter, ChainFilter)
fs.Add(txFilter, PendingTxFilter)
fs.Add(logFilter, LogFilter)
fs.Add(removedLogFilter, LogFilter)
fs.Add(pendingLogFilter, PendingLogFilter)
mux.Post(core.ChainEvent{})
mux.Post(core.TxPreEvent{})
mux.Post(vm.Logs{&vm.Log{}})
mux.Post(core.RemovedLogsEvent{Logs: vm.Logs{&vm.Log{}}})
mux.Post(core.PendingLogsEvent{Logs: vm.Logs{&vm.Log{}}})
const dura = 5 * time.Second
failTimer := time.NewTimer(dura)
select {
case <-blockDone:
case <-failTimer.C:
t.Error("block filter failed to trigger (timeout)")
}
failTimer.Reset(dura)
select {
case <-txDone:
case <-failTimer.C:
t.Error("transaction filter failed to trigger (timeout)")
}
failTimer.Reset(dura)
select {
case <-logDone:
case <-failTimer.C:
t.Error("log filter failed to trigger (timeout)")
}
failTimer.Reset(dura)
select {
case <-removedLogDone:
case <-failTimer.C:
t.Error("removed log filter failed to trigger (timeout)")
}
failTimer.Reset(dura)
select {
case <-pendingLogDone:
case <-failTimer.C:
t.Error("pending log filter failed to trigger (timeout)")
}
}
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