Golang testsupport.NewOutputTestHelper函數代碼示例

func DashboardOutputSpec(c gs.Context) {
	t := new(pipeline_ts.SimpleT)
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()
	pConfig := pipeline.NewPipelineConfig(nil)

	dashboardOutput := new(DashboardOutput)
	dashboardOutput.pConfig = pConfig

	oth := plugins_ts.NewOutputTestHelper(ctrl)
	oth.MockHelper = pipelinemock.NewMockPluginHelper(ctrl)
	oth.MockOutputRunner = pipelinemock.NewMockOutputRunner(ctrl)

	errChan := make(chan error, 1)

	startOutput := func() {
		go func() {
			errChan <- dashboardOutput.Run(oth.MockOutputRunner, oth.MockHelper)
		}()
	}

	if runtime.GOOS != "windows" {
		c.Specify("A DashboardOutput", func() {

			tmpdir, err := ioutil.TempDir("", "dashboard_output_test")
			c.Assume(err, gs.IsNil)
			config := dashboardOutput.ConfigStruct().(*DashboardOutputConfig)
			config.WorkingDirectory = tmpdir

			c.Specify("Init halts if basedirectory is not writable", func() {
				err := os.MkdirAll(tmpdir, 0400)
				c.Assume(err, gs.IsNil)
				defer os.RemoveAll(tmpdir)
				err = dashboardOutput.Init(config)
				c.Assume(err, gs.Not(gs.IsNil))
			})

			c.Specify("that is running", func() {
				startedChan := make(chan bool, 1)
				defer close(startedChan)
				ts := httptest.NewUnstartedServer(nil)

				dashboardOutput.starterFunc = func(hli *DashboardOutput) error {
					ts.Start()
					startedChan <- true
					return nil
				}

				ticker := make(chan time.Time)
				inChan := make(chan *pipeline.PipelinePack, 1)
				recycleChan := make(chan *pipeline.PipelinePack, 1)
				pack := pipeline.NewPipelinePack(recycleChan)
				pack.Message = pipeline_ts.GetTestMessage()

				oth.MockOutputRunner.EXPECT().InChan().Return(inChan)
				oth.MockOutputRunner.EXPECT().Ticker().Return(ticker)

				err := os.MkdirAll(tmpdir, 0700)
				c.Assume(err, gs.IsNil)
				defer os.RemoveAll(tmpdir)

				dashboardOutput.handler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
					// Noop
				})

				c.Specify("sets custom http headers", func() {
					config.Headers = http.Header{
						"One":  []string{"two", "three"},
						"Four": []string{"five", "six", "seven"},
					}
					err = dashboardOutput.Init(config)
					c.Assume(err, gs.IsNil)
					ts.Config = dashboardOutput.server

					startOutput()

					inChan <- pack
					<-startedChan
					resp, err := http.Get(ts.URL)
					c.Assume(err, gs.IsNil)
					resp.Body.Close()
					c.Assume(resp.StatusCode, gs.Equals, 200)

					// Verify headers are there
					eq := reflect.DeepEqual(resp.Header["One"], config.Headers["One"])
					c.Expect(eq, gs.IsTrue)
					eq = reflect.DeepEqual(resp.Header["Four"], config.Headers["Four"])
					c.Expect(eq, gs.IsTrue)
				})

				close(inChan)
				c.Expect(<-errChan, gs.IsNil)

				ts.Close()
			})
		})
	}
}

func UdpOutputSpec(c gs.Context) {
	t := new(pipeline_ts.SimpleT)
	ctrl := gomock.NewController(t)

	udpOutput := new(UdpOutput)
	config := udpOutput.ConfigStruct().(*UdpOutputConfig)

	oth := plugins_ts.NewOutputTestHelper(ctrl)
	encoder := new(plugins.PayloadEncoder)
	encoder.Init(new(plugins.PayloadEncoderConfig))

	inChan := make(chan *pipeline.PipelinePack, 1)
	rChan := make(chan *pipeline.PipelinePack, 1)
	var wg sync.WaitGroup
	var rAddr net.Addr

	c.Specify("A UdpOutput", func() {
		msg := pipeline_ts.GetTestMessage()
		payload := "Write me out to the network."
		msg.SetPayload(payload)
		pack := pipeline.NewPipelinePack(rChan)
		pack.Message = msg

		oth.MockOutputRunner.EXPECT().InChan().Return(inChan)
		oth.MockOutputRunner.EXPECT().UpdateCursor("").AnyTimes()
		oth.MockOutputRunner.EXPECT().Encoder().Return(encoder)
		oth.MockOutputRunner.EXPECT().Encode(pack).Return(encoder.Encode(pack))

		c.Specify("using UDP", func() {
			addr := "127.0.0.1:45678"
			config.Address = addr
			ch := make(chan string, 1)

			collectData := func() {
				conn, err := net.ListenPacket("udp", addr)
				if err != nil {
					ch <- err.Error()
					return
				}

				ch <- "ready"
				b := make([]byte, 1000)
				var n int
				n, rAddr, _ = conn.ReadFrom(b)
				ch <- string(b[:n])
				conn.Close()
			}

			go collectData()
			result := <-ch // Wait for server to be ready.
			c.Assume(result, gs.Equals, "ready")

			c.Specify("writes out to the network", func() {
				err := udpOutput.Init(config)
				c.Assume(err, gs.IsNil)

				wg.Add(1)
				go func() {
					err = udpOutput.Run(oth.MockOutputRunner, oth.MockHelper)
					c.Expect(err, gs.IsNil)
					wg.Done()
				}()

				inChan <- pack
				result = <-ch

				c.Expect(result, gs.Equals, payload)
				close(inChan)
				wg.Wait()
			})

			c.Specify("uses the specified local address", func() {
				config.LocalAddress = "localhost:12345"
				err := udpOutput.Init(config)
				c.Assume(err, gs.IsNil)

				wg.Add(1)
				go func() {
					err = udpOutput.Run(oth.MockOutputRunner, oth.MockHelper)
					c.Expect(err, gs.IsNil)
					wg.Done()
				}()

				inChan <- pack
				result = <-ch

				c.Expect(result, gs.Equals, payload)
				c.Expect(rAddr.Network(), gs.Equals, "udp")
				c.Expect(rAddr.String(), gs.Equals, "127.0.0.1:12345")
				close(inChan)
				wg.Wait()
			})
		})

		c.Specify("using Unix datagrams", func() {
			if runtime.GOOS == "windows" {
				return
			}

			testUnixAddr := func() string {
//.........這裏部分代碼省略.........

func SmtpOutputSpec(c gs.Context) {
	t := new(pipeline_ts.SimpleT)
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	oth := plugins_ts.NewOutputTestHelper(ctrl)
	var wg sync.WaitGroup
	inChan := make(chan *PipelinePack, 1)
	pConfig := NewPipelineConfig(nil)

	encoder := new(plugins.PayloadEncoder)
	econfig := encoder.ConfigStruct().(*plugins.PayloadEncoderConfig)
	econfig.AppendNewlines = false
	encoder.Init(econfig)

	c.Specify("A SmtpOutput", func() {
		smtpOutput := new(SmtpOutput)

		config := smtpOutput.ConfigStruct().(*SmtpOutputConfig)
		config.SendTo = []string{"root"}

		msg := pipeline_ts.GetTestMessage()
		pack := NewPipelinePack(pConfig.InputRecycleChan())
		pack.Message = msg
		pack.Decoded = true
		inChanCall := oth.MockOutputRunner.EXPECT().InChan().AnyTimes()
		inChanCall.Return(inChan)
		runnerName := oth.MockOutputRunner.EXPECT().Name().AnyTimes()
		runnerName.Return("SmtpOutput")
		oth.MockOutputRunner.EXPECT().Encoder().Return(encoder).AnyTimes()

		c.Specify("send email payload message", func() {
			err := smtpOutput.Init(config)
			c.Assume(err, gs.IsNil)
			smtpOutput.sendFunction = testSendMail

			outStr := "Write me out to the network"
			pack.Message.SetPayload(outStr)
			go func() {
				wg.Add(1)
				smtpOutput.Run(oth.MockOutputRunner, oth.MockHelper)
				wg.Done()
			}()
			inChan <- pack
			close(inChan)
			wg.Wait()
		})
	})

	// Use this test with a real server
	//  c.Specify("Real SmtpOutput output", func() {
	//  	smtpOutput := new(SmtpOutput)
	//
	//  	config := smtpOutput.ConfigStruct().(*SmtpOutputConfig)
	//  	config.SendTo = []string{"root"}
	//
	//  	msg := pipeline_ts.GetTestMessage()
	//  	pack := NewPipelinePack(pConfig.InputRecycleChan())
	//  	pack.Message = msg
	//  	pack.Decoded = true
	//  	inChanCall := oth.MockOutputRunner.EXPECT().InChan().AnyTimes()
	//  	inChanCall.Return(inChan)
	//  	runnerName := oth.MockOutputRunner.EXPECT().Name().AnyTimes()
	//  	runnerName.Return("SmtpOutput")
	//      oth.MockOutputRunner.EXPECT().Encoder().Return(encoder).AnyTimes()
	//
	//  	c.Specify("send a real email essage", func() {
	//
	//  		err := smtpOutput.Init(config)
	//  		c.Assume(err, gs.IsNil)
	//
	//  		outStr := "Write me out to the network"
	//  		pack.Message.SetPayload(outStr)
	//  		go func() {
	//  			wg.Add(1)
	//  			smtpOutput.Run(oth.MockOutputRunner, oth.MockHelper)
	//  			wg.Done()
	//  		}()
	//  		inChan <- pack
	//  		time.Sleep(1000) // allow time for the message output
	//  		close(inChan)
	//  		wg.Wait()
	//  		// manually check the mail
	//  	})
	//  })
}

func TcpOutputSpec(c gs.Context) {
	t := new(pipeline_ts.SimpleT)
	ctrl := gomock.NewController(t)

	tmpDir, tmpErr := ioutil.TempDir("", "tcp-tests")
	defer func() {
		ctrl.Finish()
		tmpErr = os.RemoveAll(tmpDir)
		c.Expect(tmpErr, gs.Equals, nil)
	}()
	pConfig := NewPipelineConfig(nil)

	c.Specify("TcpOutput", func() {
		origBaseDir := Globals().BaseDir
		Globals().BaseDir = tmpDir
		defer func() {
			Globals().BaseDir = origBaseDir
		}()

		tcpOutput := new(TcpOutput)
		tcpOutput.SetName("test")
		config := tcpOutput.ConfigStruct().(*TcpOutputConfig)
		tcpOutput.Init(config)

		tickChan := make(chan time.Time)
		oth := plugins_ts.NewOutputTestHelper(ctrl)
		oth.MockOutputRunner.EXPECT().Ticker().Return(tickChan)
		encoder := new(ProtobufEncoder)
		encoder.Init(nil)

		var wg sync.WaitGroup
		inChan := make(chan *PipelinePack, 1)

		msg := pipeline_ts.GetTestMessage()
		pack := NewPipelinePack(pConfig.InputRecycleChan())
		pack.Message = msg
		pack.Decoded = true

		outStr := "Write me out to the network"
		newpack := NewPipelinePack(nil)
		newpack.Message = msg
		newpack.Decoded = true
		newpack.Message.SetPayload(outStr)
		matchBytes, err := proto.Marshal(newpack.Message)
		c.Expect(err, gs.IsNil)

		inChanCall := oth.MockOutputRunner.EXPECT().InChan().AnyTimes()
		inChanCall.Return(inChan)

		c.Specify("doesn't use framing w/o ProtobufEncoder", func() {
			encoder := new(plugins.PayloadEncoder)
			oth.MockOutputRunner.EXPECT().Encoder().Return(encoder)
			err := tcpOutput.Init(config)
			c.Assume(err, gs.IsNil)

			wg.Add(1)
			go func() {
				err = tcpOutput.Run(oth.MockOutputRunner, oth.MockHelper)
				c.Expect(err, gs.IsNil)
				wg.Done()
			}()

			close(inChan)
			wg.Wait()
			// We should fail if SetUseFraming is called since we didn't
			// EXPECT it.
		})

		c.Specify("doesn't use framing if config says not to", func() {
			useFraming := false
			config.UseFraming = &useFraming
			err := tcpOutput.Init(config)
			c.Assume(err, gs.IsNil)

			wg.Add(1)
			go func() {
				err = tcpOutput.Run(oth.MockOutputRunner, oth.MockHelper)
				c.Expect(err, gs.IsNil)
				wg.Done()
			}()

			close(inChan)
			wg.Wait()
			// We should fail if SetUseFraming is called since we didn't
			// EXPECT it.
		})

		c.Specify("writes out to the network", func() {
			collectData := func(ch chan string) {
				ln, err := net.Listen("tcp", "localhost:9125")
				if err != nil {
					ch <- err.Error()
					return
				}
				ch <- "ready"
				conn, err := ln.Accept()
				if err != nil {
					ch <- err.Error()
					return
				}
//.........這裏部分代碼省略.........

//.........這裏部分代碼省略.........
				streamChan <- amqp.Delivery{
					ContentType:  "application/hekad",
					Body:         msgBody,
					Timestamp:    time.Now(),
					Acknowledger: ack,
				}
				mch.EXPECT().Consume("", "", false, false, false, false,
					gomock.Any()).Return(streamChan, nil)

				// Expect the decoded pack
				mockDRunner.EXPECT().InChan().Return(ith.DecodeChan)

				// Increase the usage since Run decrements it on close
				ug.Add(1)

				ith.PackSupply <- ith.Pack
				go func() {
					err := amqpInput.Run(ith.MockInputRunner, ith.MockHelper)
					errChan <- err
				}()
				packRef := <-ith.DecodeChan
				c.Expect(ith.Pack, gs.Equals, packRef)
				// Ignore leading 5 bytes of encoded message as thats the header
				c.Expect(string(packRef.MsgBytes), gs.Equals, string(msgBody[5:]))
				ith.PackSupply <- ith.Pack
				close(streamChan)
				err = <-errChan
				c.Expect(err, gs.IsNil)
			})
		})
	})

	c.Specify("An amqp output", func() {
		oth := plugins_ts.NewOutputTestHelper(ctrl)
		pConfig := NewPipelineConfig(nil)

		amqpOutput := new(AMQPOutput)
		amqpOutput.amqpHub = aqh
		config := amqpOutput.ConfigStruct().(*AMQPOutputConfig)
		config.URL = ""
		config.Exchange = ""
		config.ExchangeType = ""
		config.RoutingKey = "test"

		closeChan := make(chan *amqp.Error)

		inChan := make(chan *PipelinePack, 1)

		mch.EXPECT().NotifyClose(gomock.Any()).Return(closeChan)
		mch.EXPECT().ExchangeDeclare("", "", false, true, false, false,
			gomock.Any()).Return(nil)

		// Increase the usage since Run decrements it on close
		ug.Add(1)

		// Expect the close and the InChan calls
		aqh.EXPECT().Close("", cg)
		oth.MockOutputRunner.EXPECT().InChan().Return(inChan)

		msg := pipeline_ts.GetTestMessage()
		pack := NewPipelinePack(pConfig.InputRecycleChan())
		pack.Message = msg
		pack.Decoded = true

		c.Specify("publishes a plain message", func() {
			encoder := new(plugins.PayloadEncoder)

func IrcOutputSpec(c gs.Context) {
	t := new(pipeline_ts.SimpleT)
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	pipelineConfig := NewPipelineConfig(nil)
	outTestHelper := plugins_ts.NewOutputTestHelper(ctrl)

	var wg sync.WaitGroup

	errChan := make(chan error, 1)
	tickChan := make(chan time.Time)
	inChan := make(chan *PipelinePack, 5)

	c.Specify("An IrcOutput", func() {
		ircOutput := new(IrcOutput)
		ircOutput.InitIrcCon = NewMockIrcConn
		encoder := new(plugins.PayloadEncoder)
		encoder.Init(&plugins.PayloadEncoderConfig{})
		config := ircOutput.ConfigStruct().(*IrcOutputConfig)
		config.Server = "irc.example.org"
		config.Nick = "heka_bot"
		config.Ident = "heka"
		config.Channels = []string{"#test_channel"}

		msg := pipeline_ts.GetTestMessage()
		pack := NewPipelinePack(pipelineConfig.InputRecycleChan())
		pack.Message = msg
		pack.Decoded = true

		c.Specify("requires an encoder", func() {
			err := ircOutput.Init(config)
			c.Assume(err, gs.IsNil)

			outTestHelper.MockOutputRunner.EXPECT().Encoder().Return(nil)
			err = ircOutput.Run(outTestHelper.MockOutputRunner, outTestHelper.MockHelper)
			c.Expect(err, gs.Not(gs.IsNil))

		})

		c.Specify("that is started", func() {

			outTestHelper.MockOutputRunner.EXPECT().Ticker().Return(tickChan)
			outTestHelper.MockOutputRunner.EXPECT().Encoder().Return(encoder)
			outTestHelper.MockOutputRunner.EXPECT().InChan().Return(inChan)
			outTestHelper.MockOutputRunner.EXPECT().Encode(pack).Return(encoder.Encode(pack)).AnyTimes()

			startOutput := func() {
				wg.Add(1)
				go func() {
					err := ircOutput.Run(outTestHelper.MockOutputRunner, outTestHelper.MockHelper)
					errChan <- err
					wg.Done()
				}()
				<-mockIrcConn.connected
			}

			c.Specify("sends incoming messages to an irc server", func() {
				err := ircOutput.Init(config)
				c.Assume(err, gs.IsNil)

				c.Assume(len(ircOutput.Channels), gs.Equals, 1)
				ircChan := ircOutput.Channels[0]

				startOutput()

				// Send the data
				inChan <- pack
				// wait for it to arrive
				p := <-ircOutput.OutQueue
				ircOutput.OutQueue <- p
				// once it's arrived send a tick so it gets processed
				tickChan <- time.Now()

				close(inChan)
				wg.Wait()

				// Verify we've exited
				c.Expect(mockIrcConn.quit, gs.IsTrue)

				// verify the message was sent
				msgs := mockIrcConn.msgs[ircChan]
				c.Expect(len(msgs), gs.Equals, 1)
				c.Expect(msgs[0], gs.Equals, string(*msg.Payload))
			})

			c.Specify("drops messages when outqueue is full", func() {
				config.QueueSize = 1
				err := ircOutput.Init(config)
				c.Assume(err, gs.IsNil)

				c.Assume(len(ircOutput.Channels), gs.Equals, 1)
				ircChan := ircOutput.Channels[0]

				outTestHelper.MockOutputRunner.EXPECT().LogError(
					ErrOutQueueFull)
				outTestHelper.MockOutputRunner.EXPECT().LogError(
					fmt.Errorf("%s Channel: %s.", ErrBacklogQueueFull, ircChan))

				startOutput()
//.........這裏部分代碼省略.........

func FileOutputSpec(c gs.Context) {
	t := new(pipeline_ts.SimpleT)
	ctrl := gomock.NewController(t)
	tmpFileName := fmt.Sprintf("fileoutput-test-%d", time.Now().UnixNano())
	tmpFilePath := filepath.Join(os.TempDir(), tmpFileName)

	defer func() {
		ctrl.Finish()
		os.Remove(tmpFilePath)
	}()

	oth := plugins_ts.NewOutputTestHelper(ctrl)
	var wg sync.WaitGroup
	inChan := make(chan *PipelinePack, 1)
	pConfig := NewPipelineConfig(nil)

	c.Specify("A FileOutput", func() {
		fileOutput := new(FileOutput)
		encoder := new(plugins.PayloadEncoder)
		encoder.Init(encoder.ConfigStruct())

		config := fileOutput.ConfigStruct().(*FileOutputConfig)
		config.Path = tmpFilePath

		msg := pipeline_ts.GetTestMessage()
		pack := NewPipelinePack(pConfig.InputRecycleChan())
		pack.Message = msg
		pack.Decoded = true

		c.Specify("w/ ProtobufEncoder", func() {
			encoder := new(ProtobufEncoder)
			encoder.Init(nil)
			oth.MockOutputRunner.EXPECT().Encoder().Return(encoder)

			c.Specify("uses framing", func() {
				oth.MockOutputRunner.EXPECT().SetUseFraming(true)
				err := fileOutput.Init(config)
				defer os.Remove(tmpFilePath)
				c.Assume(err, gs.IsNil)
				oth.MockOutputRunner.EXPECT().InChan().Return(inChan)
				wg.Add(1)
				go func() {
					err = fileOutput.Run(oth.MockOutputRunner, oth.MockHelper)
					c.Expect(err, gs.IsNil)
					wg.Done()
				}()
				close(inChan)
				wg.Wait()
			})

			c.Specify("but not if config says not to", func() {
				useFraming := false
				config.UseFraming = &useFraming
				err := fileOutput.Init(config)
				defer os.Remove(tmpFilePath)
				c.Assume(err, gs.IsNil)
				oth.MockOutputRunner.EXPECT().InChan().Return(inChan)
				wg.Add(1)
				go func() {
					err = fileOutput.Run(oth.MockOutputRunner, oth.MockHelper)
					c.Expect(err, gs.IsNil)
					wg.Done()
				}()
				close(inChan)
				wg.Wait()
				// We should fail if SetUseFraming is called since we didn't
				// EXPECT it.

			})
		})

		c.Specify("processes incoming messages", func() {
			err := fileOutput.Init(config)
			c.Assume(err, gs.IsNil)
			fileOutput.file.Close()
			// Save for comparison.
			payload := fmt.Sprintf("%s\n", pack.Message.GetPayload())

			oth.MockOutputRunner.EXPECT().InChan().Return(inChan)
			oth.MockOutputRunner.EXPECT().Encode(pack).Return(encoder.Encode(pack))
			wg.Add(1)
			go fileOutput.receiver(oth.MockOutputRunner, &wg)
			inChan <- pack
			close(inChan)
			outBatch := <-fileOutput.batchChan
			wg.Wait()
			c.Expect(string(outBatch), gs.Equals, payload)
		})

		c.Specify("commits to a file", func() {
			outStr := "Write me out to the log file"
			outBytes := []byte(outStr)

			c.Specify("with default settings", func() {
				err := fileOutput.Init(config)
				c.Assume(err, gs.IsNil)

				// Start committer loop
				wg.Add(1)
				go fileOutput.committer(oth.MockOutputRunner, &wg)
//.........這裏部分代碼省略.........

//.........這裏部分代碼省略.........

			streamChan <- amqp.Delivery{
				ContentType:  "application/hekad",
				Body:         msgBody,
				Timestamp:    time.Now(),
				Acknowledger: ack,
			}
			mch.EXPECT().Consume("", "", false, false, false, false,
				gomock.Any()).Return(streamChan, nil)

			// Increase the usage since Run decrements it on close.
			ug.Add(1)

			splitCall := ith.MockSplitterRunner.EXPECT().SplitBytes(gomock.Any(),
				nil)
			splitCall.Do(func(recd []byte, del Deliverer) {
				bytesChan <- recd
			})
			ith.MockSplitterRunner.EXPECT().UseMsgBytes().Return(true)
			go func() {
				err := amqpInput.Run(ith.MockInputRunner, ith.MockHelper)
				errChan <- err
			}()

			msgBytes := <-bytesChan
			c.Expect(string(msgBytes), gs.Equals, string(msgBody))
			close(streamChan)
			err = <-errChan
			c.Expect(err, gs.IsNil)
		})
	})

	c.Specify("An amqp output", func() {
		oth := plugins_ts.NewOutputTestHelper(ctrl)
		pConfig := NewPipelineConfig(nil)

		amqpOutput := new(AMQPOutput)
		amqpOutput.amqpHub = aqh
		config := amqpOutput.ConfigStruct().(*AMQPOutputConfig)
		config.URL = ""
		config.Exchange = ""
		config.ExchangeType = ""
		config.RoutingKey = "test"

		closeChan := make(chan *amqp.Error)

		inChan := make(chan *PipelinePack, 1)

		mch.EXPECT().NotifyClose(gomock.Any()).Return(closeChan)
		mch.EXPECT().ExchangeDeclare("", "", false, true, false, false,
			gomock.Any()).Return(nil)

		// Increase the usage since Run decrements it on close.
		ug.Add(1)

		// Expect the close and the InChan calls.
		aqh.EXPECT().Close("", cg)
		oth.MockOutputRunner.EXPECT().InChan().Return(inChan)

		msg := pipeline_ts.GetTestMessage()
		pack := NewPipelinePack(pConfig.InputRecycleChan())
		pack.Message = msg
		pack.Decoded = true

		c.Specify("publishes a plain message", func() {
			encoder := new(plugins.PayloadEncoder)

//.........這裏部分代碼省略.........
		c.Specify("writeToNextFile", func() {
			tcpOutput.checkpointFilename = filepath.Join(tmpDir, "cp.txt")
			tcpOutput.queue = tmpDir
			err := tcpOutput.writeToNextFile()
			c.Expect(err, gs.IsNil)
			c.Expect(fileExists(getQueueFilename(tcpOutput.queue, tcpOutput.writeId)), gs.IsTrue)
			tcpOutput.writeFile.WriteString("this is a test item")
			tcpOutput.writeFile.Close()
			tcpOutput.writeCheckpoint(tcpOutput.writeId, 10)
			tcpOutput.checkpointFile.Close()
			err = tcpOutput.readFromNextFile()
			buf := make([]byte, 4)
			n, err := tcpOutput.readFile.Read(buf)
			c.Expect(n, gs.Equals, 4)
			c.Expect("test", gs.Equals, string(buf))
			tcpOutput.writeFile.Close()
			tcpOutput.readFile.Close()
		})
	})

	c.Specify("TcpOutput", func() {
		origBaseDir := Globals().BaseDir
		Globals().BaseDir = tmpDir
		defer func() {
			Globals().BaseDir = origBaseDir
		}()

		tcpOutput := new(TcpOutput)
		tcpOutput.SetName("test")
		config := tcpOutput.ConfigStruct().(*TcpOutputConfig)
		tcpOutput.Init(config)

		tickChan := make(chan time.Time)
		oth := plugins_ts.NewOutputTestHelper(ctrl)
		oth.MockOutputRunner.EXPECT().Ticker().Return(tickChan)

		var wg sync.WaitGroup
		inChan := make(chan *PipelinePack, 1)

		msg := pipeline_ts.GetTestMessage()
		pack := NewPipelinePack(pConfig.InputRecycleChan())
		pack.Message = msg
		pack.Decoded = true

		c.Specify("writes out to the network", func() {
			inChanCall := oth.MockOutputRunner.EXPECT().InChan().AnyTimes()
			inChanCall.Return(inChan)

			collectData := func(ch chan string) {
				ln, err := net.Listen("tcp", "localhost:9125")
				if err != nil {
					ch <- err.Error()
					return
				}
				ch <- "ready"
				conn, err := ln.Accept()
				if err != nil {
					ch <- err.Error()
					return
				}
				b := make([]byte, 1000)
				n, _ := conn.Read(b)
				ch <- string(b[0:n])
				conn.Close()
				ln.Close()
			}

func UnixOutputSpec(c gs.Context) {
	t := new(pipeline_ts.SimpleT)
	ctrl := gomock.NewController(t)

	c.Specify("A UnixOutput", func() {
		unixOutput := new(UdpOutput)
		config := unixOutput.ConfigStruct().(*UdpOutputConfig)

		oth := plugins_ts.NewOutputTestHelper(ctrl)
		encoder := new(plugins.PayloadEncoder)
		encoder.Init(new(plugins.PayloadEncoderConfig))

		inChan := make(chan *pipeline.PipelinePack, 1)
		rChan := make(chan *pipeline.PipelinePack, 1)
		msg := pipeline_ts.GetTestMessage()
		payload := "Write me out to the network."
		msg.SetPayload(payload)
		pack := pipeline.NewPipelinePack(rChan)
		pack.Message = msg

		oth.MockOutputRunner.EXPECT().InChan().Return(inChan)
		oth.MockOutputRunner.EXPECT().Encoder().Return(encoder)
		oth.MockOutputRunner.EXPECT().Encode(pack).Return(encoder.Encode(pack))

		c.Specify("using UDP", func() {
			addr := "@/heka/unix-out"
			config.Address = addr
			ch := make(chan string, 1)
			var wg sync.WaitGroup
			var rAddr net.Addr

			collectData := func() {
				conn, err := net.ListenPacket("unix", addr)
				if err != nil {
					ch <- err.Error()
					return
				}

				ch <- "ready"
				b := make([]byte, 1000)
				var n int
				n, rAddr, _ = conn.ReadFrom(b)
				ch <- string(b[:n])
				conn.Close()
			}

			go collectData()
			result := <-ch // Wait for server to be ready.
			c.Assume(result, gs.Equals, "ready")

			c.Specify("writes out to the network", func() {
				err := unixOutput.Init(config)
				c.Assume(err, gs.IsNil)

				wg.Add(1)
				go func() {
					err = unixOutput.Run(oth.MockOutputRunner, oth.MockHelper)
					c.Expect(err, gs.IsNil)
					wg.Done()
				}()

				inChan <- pack
				result = <-ch

				c.Expect(result, gs.Equals, payload)
				close(inChan)
				wg.Wait()
			})

			c.Specify("uses the specified local address", func() {
				config.LocalAddress = "@/heka/unix-out"
				err := unixOutput.Init(config)
				c.Assume(err, gs.IsNil)

				wg.Add(1)
				go func() {
					err = unixOutput.Run(oth.MockOutputRunner, oth.MockHelper)
					c.Expect(err, gs.IsNil)
					wg.Done()
				}()

				inChan <- pack
				result = <-ch

				c.Expect(result, gs.Equals, payload)
				c.Expect(rAddr.Network(), gs.Equals, "unix")
				c.Expect(rAddr.String(), gs.Equals, "@/heka/unix-out")
				close(inChan)
				wg.Wait()
			})
		})
	})
}

func NsqOutputSpec(c gs.Context) {
	t := new(pipeline_ts.SimpleT)
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	pConfig := pipeline.NewPipelineConfig(nil)
	var wg sync.WaitGroup

	errChan := make(chan error, 1)
	defer close(errChan)

	c.Specify("A nsq output", func() {
		output := new(NsqOutput)
		oth := plugins_ts.NewOutputTestHelper(ctrl)
		config := output.ConfigStruct().(*NsqOutputConfig)
		config.Topic = "test"

		startOutput := func() {
			wg.Add(1)
			go func() {
				errChan <- output.Run(oth.MockOutputRunner, oth.MockHelper)
				wg.Done()
			}()
		}

		var mockProducer *MockProducer
		output.newProducer = func(addr string, config *nsq.Config) (Producer, error) {
			mockProducer, _ = NewMockProducer(addr, config)
			return mockProducer, nil
		}

		msg := pipeline_ts.GetTestMessage()
		pack := pipeline.NewPipelinePack(pConfig.InputRecycleChan())
		pack.Message = msg

		c.Specify("requires at least one address", func() {
			err := output.Init(config)
			c.Expect(err, gs.Not(gs.IsNil))
		})

		config.Addresses = []string{"test.com:4150"}

		c.Specify("requires an encoder", func() {
			err := output.Init(config)
			c.Assume(err, gs.IsNil)

			oth.MockOutputRunner.EXPECT().Encoder().Return(nil)
			err = output.Run(oth.MockOutputRunner, oth.MockHelper)
			c.Expect(err, gs.Not(gs.IsNil))
		})

		c.Specify("that is started", func() {
			encoder := new(plugins.PayloadEncoder)
			encoder.Init(&plugins.PayloadEncoderConfig{PrefixTs: false})
			oth.MockOutputRunner.EXPECT().Encoder().Return(encoder)
			oth.MockOutputRunner.EXPECT().Encode(pack).Return(encoder.Encode(pack))

			inChan := make(chan *pipeline.PipelinePack, 1)
			oth.MockOutputRunner.EXPECT().InChan().Return(inChan)

			c.Specify("publishes a message with the configured topic", func() {
				err := output.Init(config)
				c.Assume(err, gs.IsNil)

				startOutput()

				inChan <- pack
				transaction := <-mockProducer.respChan
				c.Expect(transaction.Error, gs.IsNil)

				close(inChan)
				wg.Wait()
				c.Expect(<-errChan, gs.IsNil)
			})
		})

	})
}

func OutputSpec(c gs.Context) {
	t := new(ts.SimpleT)
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	oth := plugins_ts.NewOutputTestHelper(ctrl)
	pConfig := pipeline.NewPipelineConfig(nil)
	inChan := make(chan *pipeline.PipelinePack, 1)
	timer := make(chan time.Time, 1)

	c.Specify("A SandboxOutput", func() {
		output := new(SandboxOutput)
		output.SetPipelineConfig(pConfig)
		conf := output.ConfigStruct().(*sandbox.SandboxConfig)
		conf.ScriptFilename = "../lua/testsupport/output.lua"
		conf.ModuleDirectory = "../lua/modules;../lua/testsupport/modules"
		supply := make(chan *pipeline.PipelinePack, 1)
		pack := pipeline.NewPipelinePack(supply)
		data := "1376389920 debug id=2321 url=example.com item=1"
		pack.Message.SetPayload(data)

		oth.MockOutputRunner.EXPECT().InChan().Return(inChan)
		oth.MockOutputRunner.EXPECT().UpdateCursor("").AnyTimes()
		oth.MockOutputRunner.EXPECT().Ticker().Return(timer)

		c.Specify("writes a payload to file", func() {
			err := output.Init(conf)
			c.Expect(err, gs.IsNil)
			inChan <- pack
			close(inChan)
			err = output.Run(oth.MockOutputRunner, oth.MockHelper)
			c.Assume(err, gs.IsNil)

			tmpFile, err := os.Open("output.lua.txt")
			defer tmpFile.Close()
			c.Assume(err, gs.IsNil)
			contents, err := ioutil.ReadAll(tmpFile)
			c.Assume(err, gs.IsNil)
			c.Expect(string(contents), gs.Equals, data)
			c.Expect(output.processMessageCount, gs.Equals, int64(1))
			c.Expect(output.processMessageSamples, gs.Equals, int64(1))
			c.Expect(output.processMessageFailures, gs.Equals, int64(0))
		})

		c.Specify("failure processing data", func() {
			err := output.Init(conf)
			c.Expect(err, gs.IsNil)
			pack.Message.SetPayload("FAILURE")
			pack.BufferedPack = true
			pack.DelivErrChan = make(chan error, 1)
			inChan <- pack
			close(inChan)
			err = output.Run(oth.MockOutputRunner, oth.MockHelper)
			c.Assume(err, gs.IsNil)
			c.Expect(output.processMessageFailures, gs.Equals, int64(1))
			err = <-pack.DelivErrChan
			c.Expect(err.Error(), gs.Equals, "failure message")
		})

		c.Specify("user abort processing data", func() {
			err := output.Init(conf)
			c.Expect(err, gs.IsNil)
			e := errors.New("FATAL: user abort")
			pack.Message.SetPayload("USERABORT")
			inChan <- pack
			err = output.Run(oth.MockOutputRunner, oth.MockHelper)
			c.Expect(err.Error(), gs.Equals, e.Error())
		})

		c.Specify("fatal error processing data", func() {
			err := output.Init(conf)
			c.Expect(err, gs.IsNil)
			pack.Message.SetPayload("FATAL")
			inChan <- pack
			err = output.Run(oth.MockOutputRunner, oth.MockHelper)
			c.Expect(err, gs.Not(gs.IsNil))
		})

		c.Specify("fatal error in timer_event", func() {
			err := output.Init(conf)
			c.Expect(err, gs.IsNil)
			timer <- time.Now()
			err = output.Run(oth.MockOutputRunner, oth.MockHelper)
			c.Expect(err, gs.Not(gs.IsNil))
		})

		c.Specify("fatal error in shutdown timer_event", func() {
			conf.TimerEventOnShutdown = true
			err := output.Init(conf)
			c.Expect(err, gs.IsNil)
			close(inChan)
			err = output.Run(oth.MockOutputRunner, oth.MockHelper)
			c.Expect(err, gs.Not(gs.IsNil))
		})
	})
}

func TestSendMessage(t *testing.T) {
	ctrl := gomock.NewController(t)
	broker := sarama.NewMockBroker(t, 2)

	defer func() {
		broker.Close()
		ctrl.Finish()
	}()

	topic := "test"
	globals := DefaultGlobals()
	pConfig := NewPipelineConfig(globals)

	broker.SetHandlerByMap(map[string]sarama.MockResponse{
		"MetadataRequest": sarama.NewMockMetadataResponse(t).
			SetBroker(broker.Addr(), broker.BrokerID()).
			SetLeader(topic, 0, broker.BrokerID()),
		"ProduceRequest": sarama.NewMockProduceResponse(t),
	})

	ko := new(KafkaOutput)
	ko.SetPipelineConfig(pConfig)
	config := ko.ConfigStruct().(*KafkaOutputConfig)
	config.Addrs = append(config.Addrs, broker.Addr())
	config.Topic = topic
	err := ko.Init(config)
	if err != nil {
		t.Fatal(err)
	}
	oth := plugins_ts.NewOutputTestHelper(ctrl)
	encoder := new(plugins.PayloadEncoder)
	encoder.Init(encoder.ConfigStruct().(*plugins.PayloadEncoderConfig))

	inChan := make(chan *PipelinePack, 1)

	msg := pipeline_ts.GetTestMessage()
	pack := NewPipelinePack(pConfig.InputRecycleChan())
	pack.Message = msg

	inChanCall := oth.MockOutputRunner.EXPECT().InChan().AnyTimes()
	inChanCall.Return(inChan)

	errChan := make(chan error)
	startOutput := func() {
		go func() {
			err := ko.Run(oth.MockOutputRunner, oth.MockHelper)
			errChan <- err
		}()
	}

	oth.MockOutputRunner.EXPECT().Encoder().Return(encoder)
	oth.MockOutputRunner.EXPECT().Encode(pack).Return(encoder.Encode(pack))

	outStr := "Write me out to the network"
	pack.Message.SetPayload(outStr)
	startOutput()

	msgcount := atomic.LoadInt64(&ko.processMessageCount)
	if msgcount != 0 {
		t.Errorf("Invalid starting processMessageCount %d", msgcount)
	}
	msgcount = atomic.LoadInt64(&ko.processMessageFailures)
	if msgcount != 0 {
		t.Errorf("Invalid starting processMessageFailures %d", msgcount)
	}

	inChan <- pack
	close(inChan)
	err = <-errChan
	if err != nil {
		t.Errorf("Error running output %s", err)
	}

	msgcount = atomic.LoadInt64(&ko.processMessageCount)
	if msgcount != 1 {
		t.Errorf("Invalid ending processMessageCount %d", msgcount)
	}
	msgcount = atomic.LoadInt64(&ko.processMessageFailures)
	if msgcount != 0 {
		t.Errorf("Invalid ending processMessageFailures %d", msgcount)
	}
}

func TcpOutputSpec(c gs.Context) {
	t := new(pipeline_ts.SimpleT)
	ctrl := gomock.NewController(t)

	tmpDir, tmpErr := ioutil.TempDir("", "tcp-tests")
	defer func() {
		ctrl.Finish()
		tmpErr = os.RemoveAll(tmpDir)
		c.Expect(tmpErr, gs.Equals, nil)
	}()
	globals := DefaultGlobals()
	globals.BaseDir = tmpDir

	pConfig := NewPipelineConfig(globals)
	pConfig.RegisterDefault("HekaFramingSplitter")

	c.Specify("TcpOutput", func() {
		tcpOutput := new(TcpOutput)
		tcpOutput.SetName("test")
		config := tcpOutput.ConfigStruct().(*TcpOutputConfig)
		tcpOutput.Init(config)

		tickChan := make(chan time.Time)
		oth := plugins_ts.NewOutputTestHelper(ctrl)
		oth.MockOutputRunner.EXPECT().Ticker().Return(tickChan).AnyTimes()
		encoder := new(ProtobufEncoder)
		encoder.SetPipelineConfig(pConfig)
		encoder.Init(nil)

		msg := pipeline_ts.GetTestMessage()
		pack := NewPipelinePack(pConfig.InputRecycleChan())
		pack.Message = msg
		pack.QueueCursor = "queuecursor"

		outStr := "Write me out to the network"
		newpack := NewPipelinePack(nil)
		newpack.Message = msg
		newpack.Message.SetPayload(outStr)
		matchBytes, err := proto.Marshal(newpack.Message)
		c.Assume(err, gs.IsNil)
		pack.MsgBytes = matchBytes
		newpack.MsgBytes = matchBytes

		oth.MockHelper.EXPECT().PipelineConfig().Return(pConfig)

		c.Specify("doesn't use framing w/o ProtobufEncoder", func() {
			encoder := new(plugins.PayloadEncoder)
			oth.MockOutputRunner.EXPECT().Encoder().Return(encoder)
			err := tcpOutput.Init(config)
			c.Assume(err, gs.IsNil)
			err = tcpOutput.Prepare(oth.MockOutputRunner, oth.MockHelper)
			c.Expect(err, gs.IsNil)
			// We should fail if SetUseFraming is called since we didn't
			// EXPECT it.
		})

		c.Specify("doesn't use framing if config says not to", func() {
			useFraming := false
			config.UseFraming = &useFraming
			err := tcpOutput.Init(config)
			c.Assume(err, gs.IsNil)
			err = tcpOutput.Prepare(oth.MockOutputRunner, oth.MockHelper)
			c.Expect(err, gs.IsNil)
			// We should fail if SetUseFraming is called since we didn't
			// EXPECT it.
		})

		c.Specify("writes out to the network", func() {
			collectData := func(ch chan string) {
				ln, err := net.Listen("tcp", "localhost:9125")
				if err != nil {
					ch <- err.Error()
					return
				}
				ch <- "ready"
				conn, err := ln.Accept()
				if err != nil {
					ch <- err.Error()
					return
				}
				b := make([]byte, 1000)
				n, _ := conn.Read(b)
				ch <- string(b[0:n])
				conn.Close()
				ln.Close()
			}
			ch := make(chan string, 1) // don't block on put
			go collectData(ch)
			result := <-ch // wait for server

			err := tcpOutput.Init(config)
			c.Assume(err, gs.IsNil)

			oth.MockOutputRunner.EXPECT().Encoder().Return(encoder)
			oth.MockOutputRunner.EXPECT().SetUseFraming(true)
			err = tcpOutput.Prepare(oth.MockOutputRunner, oth.MockHelper)
			c.Assume(err, gs.IsNil)

			oth.MockOutputRunner.EXPECT().Encode(pack).Return(encoder.Encode(pack))
			oth.MockOutputRunner.EXPECT().UpdateCursor(pack.QueueCursor)
//.........這裏部分代碼省略.........

func FileOutputSpec(c gs.Context) {
	t := new(pipeline_ts.SimpleT)
	ctrl := gomock.NewController(t)
	defer ctrl.Finish()

	oth := plugins_ts.NewOutputTestHelper(ctrl)
	var wg sync.WaitGroup
	inChan := make(chan *PipelinePack, 1)
	pConfig := NewPipelineConfig(nil)

	c.Specify("A FileOutput", func() {
		fileOutput := new(FileOutput)

		tmpFileName := fmt.Sprintf("fileoutput-test-%d", time.Now().UnixNano())
		tmpFilePath := fmt.Sprint(os.TempDir(), string(os.PathSeparator),
			tmpFileName)
		config := fileOutput.ConfigStruct().(*FileOutputConfig)
		config.Path = tmpFilePath

		msg := pipeline_ts.GetTestMessage()
		pack := NewPipelinePack(pConfig.InputRecycleChan())
		pack.Message = msg
		pack.Decoded = true

		toString := func(outData interface{}) string {
			return string(*(outData.(*[]byte)))
		}

		c.Specify("correctly formats text output", func() {
			err := fileOutput.Init(config)
			defer os.Remove(tmpFilePath)
			c.Assume(err, gs.IsNil)
			outData := make([]byte, 0, 20)

			c.Specify("by default", func() {
				err = fileOutput.handleMessage(pack, &outData)
				c.Expect(err, gs.IsNil)
				c.Expect(toString(&outData), gs.Equals, *msg.Payload+"\n")
			})

			c.Specify("w/ a prepended timestamp when specified", func() {
				fileOutput.prefix_ts = true
				err = fileOutput.handleMessage(pack, &outData)
				c.Expect(err, gs.IsNil)
				// Test will fail if date flips btn handleMessage call and
				// todayStr calculation... should be extremely rare.
				todayStr := time.Now().Format("[2006/Jan/02:")
				strContents := toString(&outData)
				payload := *msg.Payload
				c.Expect(strContents, pipeline_ts.StringContains, payload)
				c.Expect(strContents, pipeline_ts.StringStartsWith, todayStr)
			})

			c.Specify("even when payload is nil", func() {
				pack.Message.Payload = nil
				err = fileOutput.handleMessage(pack, &outData)
				c.Expect(err, gs.IsNil)
				strContents := toString(&outData)
				c.Expect(strContents, gs.Equals, "\n")
			})

			c.Specify("payload is nil and with a timestamp", func() {
				pack.Message.Payload = nil
				fileOutput.prefix_ts = true
				err = fileOutput.handleMessage(pack, &outData)
				c.Expect(err, gs.IsNil)
				// Test will fail if date flips btn handleMessage call and
				// todayStr calculation... should be extremely rare.
				todayStr := time.Now().Format("[2006/Jan/02:")
				strContents := toString(&outData)
				c.Expect(strings.HasPrefix(strContents, todayStr), gs.IsTrue)
				c.Expect(strings.HasSuffix(strContents, " \n"), gs.IsTrue)
			})
		})

		c.Specify("correctly formats JSON output", func() {
			config.Format = "json"
			err := fileOutput.Init(config)
			defer os.Remove(tmpFilePath)
			c.Assume(err, gs.IsNil)
			outData := make([]byte, 0, 200)

			c.Specify("when specified", func() {
				fileOutput.handleMessage(pack, &outData)
				msgJson, err := json.Marshal(pack.Message)
				c.Assume(err, gs.IsNil)
				c.Expect(toString(&outData), gs.Equals, string(msgJson)+"\n")
			})

			c.Specify("and with a timestamp", func() {
				fileOutput.prefix_ts = true
				fileOutput.handleMessage(pack, &outData)
				// Test will fail if date flips btn handleMessage call and
				// todayStr calculation... should be extremely rare.
				todayStr := time.Now().Format("[2006/Jan/02:")
				strContents := toString(&outData)
				msgJson, err := json.Marshal(pack.Message)
				c.Assume(err, gs.IsNil)
				c.Expect(strContents, pipeline_ts.StringContains, string(msgJson)+"\n")
				c.Expect(strContents, pipeline_ts.StringStartsWith, todayStr)
//.........這裏部分代碼省略.........