// Copyright 2018 Google LLC // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. package main import ( "bufio" "context" "fmt" "log" "reflect" "strings" "sync" "testing" "time" irc "github.com/fluffle/goirc/client" ) func makeTestIRCConfig(IRCPort int) *Config { return &Config{ IRCNick: "foo", IRCNickPass: "", IRCHost: "127.0.0.1", IRCPort: IRCPort, IRCUseSSL: false, IRCChannels: []IRCChannel{ IRCChannel{Name: "#foo"}, }, UsePrivmsg: false, } } func makeTestNotifier(t *testing.T, config *Config) (*IRCNotifier, chan AlertMsg, context.Context, context.CancelFunc, *sync.WaitGroup) { fakeDelayerMaker := &FakeDelayerMaker{} fakeTime := &FakeTime{ afterChan: make(chan time.Time, 1), } alertMsgs := make(chan AlertMsg) ctx, cancel := context.WithCancel(context.Background()) stopWg := sync.WaitGroup{} stopWg.Add(1) notifier, err := NewIRCNotifier(config, alertMsgs, fakeDelayerMaker, fakeTime) if err != nil { t.Fatal(fmt.Sprintf("Could not create IRC notifier: %s", err)) } notifier.Client.Config().Flood = true return notifier, alertMsgs, ctx, cancel, &stopWg } func TestServerPassword(t *testing.T) { server, port := makeTestServer(t) config := makeTestIRCConfig(port) config.IRCHostPass = "hostsecret" notifier, _, ctx, cancel, stopWg := makeTestNotifier(t, config) var testStep sync.WaitGroup joinHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { testStep.Done() return nil } server.SetHandler("JOIN", joinHandler) testStep.Add(1) go notifier.Run(ctx, stopWg) testStep.Wait() cancel() stopWg.Wait() server.Stop() expectedCommands := []string{ "PASS hostsecret", "NICK foo", "USER foo 12 * :", "JOIN #foo", "QUIT :see ya", } if !reflect.DeepEqual(expectedCommands, server.Log) { t.Error("Did not send IRC server password") } } func TestSendAlertOnPreJoinedChannel(t *testing.T) { server, port := makeTestServer(t) config := makeTestIRCConfig(port) notifier, alertMsgs, ctx, cancel, stopWg := makeTestNotifier(t, config) var testStep sync.WaitGroup testChannel := "#foo" testMessage := "test message" // Send the alert after configured channels have joined, to ensure we // check for no re-join attempt. joinedHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { if line.Args[0] == testChannel { testStep.Done() } return hJOIN(conn, line) } server.SetHandler("JOIN", joinedHandler) testStep.Add(1) go notifier.Run(ctx, stopWg) testStep.Wait() server.SetHandler("JOIN", hJOIN) noticeHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { testStep.Done() return nil } server.SetHandler("NOTICE", noticeHandler) testStep.Add(1) alertMsgs <- AlertMsg{Channel: testChannel, Alert: testMessage} testStep.Wait() cancel() stopWg.Wait() server.Stop() expectedCommands := []string{ "NICK foo", "USER foo 12 * :", "JOIN #foo", "NOTICE #foo :test message", "QUIT :see ya", } if !reflect.DeepEqual(expectedCommands, server.Log) { t.Error("Alert not sent correctly. Received commands:\n", strings.Join(server.Log, "\n")) } } func TestUsePrivmsgToSendAlertOnPreJoinedChannel(t *testing.T) { server, port := makeTestServer(t) config := makeTestIRCConfig(port) config.UsePrivmsg = true notifier, alertMsgs, ctx, cancel, stopWg := makeTestNotifier(t, config) var testStep sync.WaitGroup testChannel := "#foo" testMessage := "test message" // Send the alert after configured channels have joined, to ensure we // check for no re-join attempt. joinedHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { if line.Args[0] == testChannel { testStep.Done() } return hJOIN(conn, line) } server.SetHandler("JOIN", joinedHandler) testStep.Add(1) go notifier.Run(ctx, stopWg) testStep.Wait() server.SetHandler("JOIN", hJOIN) privmsgHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { testStep.Done() return nil } server.SetHandler("PRIVMSG", privmsgHandler) testStep.Add(1) alertMsgs <- AlertMsg{Channel: testChannel, Alert: testMessage} testStep.Wait() cancel() stopWg.Wait() server.Stop() expectedCommands := []string{ "NICK foo", "USER foo 12 * :", "JOIN #foo", "PRIVMSG #foo :test message", "QUIT :see ya", } if !reflect.DeepEqual(expectedCommands, server.Log) { t.Error("Alert not sent correctly. Received commands:\n", strings.Join(server.Log, "\n")) } } func TestSendAlertAndJoinChannel(t *testing.T) { server, port := makeTestServer(t) config := makeTestIRCConfig(port) notifier, alertMsgs, ctx, cancel, stopWg := makeTestNotifier(t, config) var testStep sync.WaitGroup testChannel := "#foobar" testMessage := "test message" // Send the alert after configured channels have joined, to ensure log // ordering. joinHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { testStep.Done() return hJOIN(conn, line) } server.SetHandler("JOIN", joinHandler) testStep.Add(1) go notifier.Run(ctx, stopWg) testStep.Wait() server.SetHandler("JOIN", hJOIN) noticeHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { testStep.Done() return nil } server.SetHandler("NOTICE", noticeHandler) testStep.Add(1) alertMsgs <- AlertMsg{Channel: testChannel, Alert: testMessage} testStep.Wait() cancel() stopWg.Wait() server.Stop() expectedCommands := []string{ "NICK foo", "USER foo 12 * :", "JOIN #foo", // #foobar joined before sending message "JOIN #foobar", "NOTICE #foobar :test message", "QUIT :see ya", } if !reflect.DeepEqual(expectedCommands, server.Log) { t.Error("Alert not sent correctly. Received commands:\n", strings.Join(server.Log, "\n")) } } func TestSendAlertDisconnected(t *testing.T) { server, port := makeTestServer(t) config := makeTestIRCConfig(port) notifier, alertMsgs, ctx, cancel, stopWg := makeTestNotifier(t, config) var testStep, holdUserStep sync.WaitGroup testChannel := "#foo" disconnectedTestMessage := "disconnected test message" connectedTestMessage := "connected test message" // First send an alert while the session is not established. testStep.Add(1) holdUserStep.Add(1) holdUser := func(conn *bufio.ReadWriter, line *irc.Line) error { log.Printf("=Server= Wait before completing session") testStep.Wait() log.Printf("=Server= Completing session") holdUserStep.Done() return hUSER(conn, line) } server.SetHandler("USER", holdUser) go notifier.Run(ctx, stopWg) // Alert channels is not consumed while disconnected select { case alertMsgs <- AlertMsg{Channel: testChannel, Alert: disconnectedTestMessage}: t.Error("Alert consumed while disconnected") default: } testStep.Done() holdUserStep.Wait() // Make sure session is established by checking that pre-joined // channel is there. testStep.Add(1) joinHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { testStep.Done() return hJOIN(conn, line) } server.SetHandler("JOIN", joinHandler) testStep.Wait() // Now send and wait until a notice has been received. testStep.Add(1) noticeHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { testStep.Done() return nil } server.SetHandler("NOTICE", noticeHandler) alertMsgs <- AlertMsg{Channel: testChannel, Alert: connectedTestMessage} testStep.Wait() cancel() stopWg.Wait() server.Stop() expectedCommands := []string{ "NICK foo", "USER foo 12 * :", "JOIN #foo", // Only message sent while being connected is received. "NOTICE #foo :connected test message", "QUIT :see ya", } if !reflect.DeepEqual(expectedCommands, server.Log) { t.Error("Alert not sent correctly. Received commands:\n", strings.Join(server.Log, "\n")) } } func TestReconnect(t *testing.T) { server, port := makeTestServer(t) config := makeTestIRCConfig(port) notifier, _, ctx, cancel, stopWg := makeTestNotifier(t, config) var testStep sync.WaitGroup joinHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { testStep.Done() return hJOIN(conn, line) } server.SetHandler("JOIN", joinHandler) testStep.Add(1) go notifier.Run(ctx, stopWg) // Wait until the pre-joined channel is seen. testStep.Wait() // Simulate disconnection. testStep.Add(1) server.Client.Close() // Wait again until the pre-joined channel is seen. testStep.Wait() cancel() stopWg.Wait() server.Stop() expectedCommands := []string{ // Commands from first connection "NICK foo", "USER foo 12 * :", "JOIN #foo", // Commands from reconnection "NICK foo", "USER foo 12 * :", "JOIN #foo", "QUIT :see ya", } if !reflect.DeepEqual(expectedCommands, server.Log) { t.Error("Reconnection did not happen correctly. Received commands:\n", strings.Join(server.Log, "\n")) } } func TestConnectErrorRetry(t *testing.T) { server, port := makeTestServer(t) config := makeTestIRCConfig(port) // Attempt SSL handshake. The server does not support it, resulting in // a connection error. config.IRCUseSSL = true notifier, _, ctx, cancel, stopWg := makeTestNotifier(t, config) // Pilot reconnect attempts via backoff delay to prevent race // conditions in the test while we change the components behavior on // the fly. delayer := notifier.BackoffCounter.(*FakeDelayer) delayer.DelayOnChan = true var testStep, joinStep sync.WaitGroup testStep.Add(1) earlyHandler := func() { testStep.Done() } server.SetCloseEarly(earlyHandler) go notifier.Run(ctx, stopWg) delayer.StopDelay <- true testStep.Wait() // We have caused a connection failure, now check for a reconnection notifier.Client.Config().SSL = false joinStep.Add(1) joinHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { joinStep.Done() return hJOIN(conn, line) } server.SetHandler("JOIN", joinHandler) server.SetCloseEarly(nil) delayer.StopDelay <- true joinStep.Wait() cancel() stopWg.Wait() server.Stop() expectedCommands := []string{ "NICK foo", "USER foo 12 * :", "JOIN #foo", "QUIT :see ya", } if !reflect.DeepEqual(expectedCommands, server.Log) { t.Error("Reconnection did not happen correctly. Received commands:\n", strings.Join(server.Log, "\n")) } } func TestIdentify(t *testing.T) { server, port := makeTestServer(t) config := makeTestIRCConfig(port) config.IRCNickPass = "nickpassword" notifier, _, ctx, cancel, stopWg := makeTestNotifier(t, config) notifier.NickservDelayWait = 0 * time.Second var testStep sync.WaitGroup // Wait until the pre-joined channel is seen (joining happens // after identification). joinHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { testStep.Done() return hJOIN(conn, line) } server.SetHandler("JOIN", joinHandler) testStep.Add(1) go notifier.Run(ctx, stopWg) testStep.Wait() cancel() stopWg.Wait() server.Stop() expectedCommands := []string{ "NICK foo", "USER foo 12 * :", "PRIVMSG NickServ :IDENTIFY nickpassword", "JOIN #foo", "QUIT :see ya", } if !reflect.DeepEqual(expectedCommands, server.Log) { t.Error("Identification did not happen correctly. Received commands:\n", strings.Join(server.Log, "\n")) } } func TestGhostAndIdentify(t *testing.T) { server, port := makeTestServer(t) config := makeTestIRCConfig(port) config.IRCNickPass = "nickpassword" notifier, _, ctx, cancel, stopWg := makeTestNotifier(t, config) notifier.NickservDelayWait = 0 * time.Second var testStep sync.WaitGroup // Trigger 433 for first nick when we see the USER command userHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { var err error if line.Args[0] == "foo" { _, err = conn.WriteString(":example.com 433 * foo :nick in use\n") } return err } server.SetHandler("USER", userHandler) // Trigger 001 when we see NICK foo^ nickHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { var err error if line.Args[0] == "foo^" { _, err = conn.WriteString(":example.com 001 foo^ :Welcome\n") } return err } server.SetHandler("NICK", nickHandler) // Wait until the pre-joined channel is seen (joining happens // after identification). joinHandler := func(conn *bufio.ReadWriter, line *irc.Line) error { testStep.Done() return hJOIN(conn, line) } server.SetHandler("JOIN", joinHandler) testStep.Add(1) go notifier.Run(ctx, stopWg) testStep.Wait() cancel() stopWg.Wait() server.Stop() expectedCommands := []string{ "NICK foo", "USER foo 12 * :", "NICK foo^", "PRIVMSG NickServ :GHOST foo nickpassword", "NICK foo", "PRIVMSG NickServ :IDENTIFY nickpassword", "JOIN #foo", "QUIT :see ya", } if !reflect.DeepEqual(expectedCommands, server.Log) { t.Error("Ghosting did not happen correctly. Received commands:\n", strings.Join(server.Log, "\n")) } } func TestStopRunningWhenHalfConnected(t *testing.T) { server, port := makeTestServer(t) config := makeTestIRCConfig(port) notifier, _, ctx, cancel, stopWg := makeTestNotifier(t, config) var testStep sync.WaitGroup // Send a StopRunning request while the client is connected but the // session is not up testStep.Add(1) holdUser := func(conn *bufio.ReadWriter, line *irc.Line) error { log.Printf("=Server= NOT completing session") testStep.Done() return nil } server.SetHandler("USER", holdUser) go notifier.Run(ctx, stopWg) testStep.Wait() cancel() stopWg.Wait() server.Stop() expectedCommands := []string{ "NICK foo", "USER foo 12 * :", } if !reflect.DeepEqual(expectedCommands, server.Log) { t.Error("Alert not sent correctly. Received commands:\n", strings.Join(server.Log, "\n")) } }