kaspad/blockdag/notifications_test.go
Ori Newman 030469f035 [DEV-149] Add test case for CVE-2018-17144 (Bitcoin DoS/Double Spend bug) (#77)
* [DEV-149] Add test case for CVE-2018-17144 (Bitcoin DoS/Double Spend bug)

* [DEV-149] change t.Errorf + return to t.Fatalf

* [DEV-149] fix malformed blocks

* [DEV-149] change test blocks to use simnet genesis
2018-10-09 15:40:00 +03:00

56 lines
1.4 KiB
Go

// Copyright (c) 2017 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package blockdag
import (
"testing"
"github.com/daglabs/btcd/dagconfig"
)
// TestNotifications ensures that notification callbacks are fired on events.
func TestNotifications(t *testing.T) {
blocks, err := loadBlocks("blk_0_to_4.dat")
if err != nil {
t.Fatalf("Error loading file: %v\n", err)
}
// Create a new database and dag instance to run tests against.
dag, teardownFunc, err := DAGSetup("notifications",
&dagconfig.SimNetParams)
if err != nil {
t.Fatalf("Failed to setup dag instance: %v", err)
}
defer teardownFunc()
notificationCount := 0
callback := func(notification *Notification) {
if notification.Type == NTBlockAccepted {
notificationCount++
}
}
// Register callback multiple times then assert it is called that many
// times.
const numSubscribers = 3
for i := 0; i < numSubscribers; i++ {
dag.Subscribe(callback)
}
isOrphan, err := dag.ProcessBlock(blocks[1], BFNone)
if isOrphan {
t.Fatalf("ProcessBlock incorrectly returned block " +
"is an orphan\n")
}
if err != nil {
t.Fatalf("ProcessBlock fail on block 1: %v\n", err)
}
if notificationCount != numSubscribers {
t.Fatalf("Expected notification callback to be executed %d "+
"times, found %d", numSubscribers, notificationCount)
}
}