syncthing/test/reconnect_test.go

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// Copyright (C) 2014 The Syncthing Authors.
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//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// This program 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 General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <http://www.gnu.org/licenses/>.
// +build integration
package integration
import (
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"log"
"sync"
"testing"
"time"
)
func TestRestartReceiverDuringTransfer(t *testing.T) {
testRestartDuringTransfer(t, false, true, 0, 0)
}
func TestRestartSenderDuringTransfer(t *testing.T) {
testRestartDuringTransfer(t, true, false, 0, 0)
}
func TestRestartSenderAndReceiverDuringTransfer(t *testing.T) {
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// Give the receiver some time to rot with needed files but
// without any peer. This triggers
// https://github.com/syncthing/syncthing/issues/463
testRestartDuringTransfer(t, true, true, 10*time.Second, 0)
}
func testRestartDuringTransfer(t *testing.T, restartSender, restartReceiver bool, senderDelay, receiverDelay time.Duration) {
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log.Println("Cleaning...")
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err := removeAll("s1", "s2", "h1/index", "h2/index")
if err != nil {
t.Fatal(err)
}
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log.Println("Generating files...")
err = generateFiles("s1", 1000, 22, "../LICENSE")
if err != nil {
t.Fatal(err)
}
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log.Println("Starting up...")
sender := syncthingProcess{ // id1
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log: "1.out",
argv: []string{"-home", "h1"},
port: 8081,
apiKey: apiKey,
}
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err = sender.start()
if err != nil {
t.Fatal(err)
}
receiver := syncthingProcess{ // id2
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log: "2.out",
argv: []string{"-home", "h2"},
port: 8082,
apiKey: apiKey,
}
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err = receiver.start()
if err != nil {
_ = sender.stop()
t.Fatal(err)
}
var prevComp int
for {
comp, err := sender.peerCompletion()
if err != nil {
if isTimeout(err) {
time.Sleep(250 * time.Millisecond)
continue
}
_ = sender.stop()
_ = receiver.stop()
t.Fatal(err)
}
curComp := comp[id2]
if curComp == 100 {
err = sender.stop()
if err != nil {
t.Fatal(err)
}
err = receiver.stop()
if err != nil {
t.Fatal(err)
}
break
}
if curComp > prevComp {
if restartReceiver {
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log.Printf("Stopping receiver...")
err = receiver.stop()
if err != nil {
t.Fatal(err)
}
}
if restartSender {
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log.Printf("Stopping sender...")
err = sender.stop()
if err != nil {
t.Fatal(err)
}
}
var wg sync.WaitGroup
if restartReceiver {
wg.Add(1)
go func() {
time.Sleep(receiverDelay)
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log.Printf("Starting receiver...")
receiver.start()
wg.Done()
}()
}
if restartSender {
wg.Add(1)
go func() {
time.Sleep(senderDelay)
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log.Printf("Starting sender...")
sender.start()
wg.Done()
}()
}
wg.Wait()
prevComp = curComp
}
time.Sleep(250 * time.Millisecond)
}
err = sender.stop()
if err != nil {
t.Fatal(err)
}
err = receiver.stop()
if err != nil {
t.Fatal(err)
}
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log.Println("Comparing directories...")
err = compareDirectories("s1", "s2")
if err != nil {
t.Fatal(err)
}
}