Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use NewEmitter method of event Package

Best Testkube code snippet using event.NewEmitter

emmiter_test.go

Source:emmiter_test.go

...4	"testing"5)6func TestAddListener(t *testing.T) {7	event := "test"8	emitter := NewEmitter().9		AddListener(event, func() {})10	if 1 != len(emitter.events[event]) {11		t.Error("Failed to add listener to the emitter.")12	}13}14func TestSimple(t *testing.T) {15	flag := true16	cn := make(chan bool)17	fmt.Print("Send to Channel \n")18	cn <- flag19	res := <-cn20	fmt.Printf("%v", res)21	// if flag {22	// 	t.Error("Emit failed to call listener to unset flag.")23	// }24}25func TestEmit(t *testing.T) {26	event := "test"27	flag := true28	cn := make(chan bool)29	NewEmitter().30		AddListener(event, cn).31		Emit(event, flag)32	33	fmt.Print("Waiting for Response \n")34	res := <-cn35	36	fmt.Printf("%v", res)37	// if flag {38	// 	t.Error("Emit failed to call listener to unset flag.")39	// }40}41func TestEmitSync(t *testing.T) {42	event := "test"43	flag := true44	NewEmitter().45		AddListener(event, func() { flag = !flag }).46		EmitSync(event)47	if flag {48		t.Error("EmitSync failed to call listener to unset flag.")49	}50}51func TestEmitWithMultipleListeners(t *testing.T) {52	event := "test"53	invoked := 054	NewEmitter().55		AddListener(event, func() {56			invoked = invoked + 157		}).58		AddListener(event, func() {59			invoked = invoked + 160		}).61		Emit(event)62	if invoked != 2 {63		t.Error("Emit failed to call all listeners.")64	}65}66func TestRemoveListener(t *testing.T) {67	event := "test"68	listener := func() {}69	emitter := NewEmitter().70		AddListener(event, listener).71		RemoveListener(event, listener)72	if 0 != len(emitter.events[event]) {73		t.Error("Failed to remove listener from the emitter.")74	}75}76func TestOnce(t *testing.T) {77	event := "test"78	flag := true79	NewEmitter().80		Once(event, func() { flag = !flag }).81		Emit(event).82		Emit(event)83	if flag {84		t.Error("Once called listener multiple times reseting the flag.")85	}86}87func TestRecoveryWith(t *testing.T) {88	event := "test"89	flag := true90	NewEmitter().91		AddListener(event, func() { panic(event) }).92		RecoverWith(func(event, listener interface{}, err error) { flag = !flag }).93		Emit(event)94	if flag {95		t.Error("Listener supplied to RecoverWith was not called to unset flag on panic.")96	}97}98func TestRemoveOnce(t *testing.T) {99	event := "test"100	flag := false101	fn := func() { flag = !flag }102	NewEmitter().103		Once(event, fn).104		RemoveListener(event, fn).105		Emit(event)106	if flag {107		t.Error("Failed to remove Listener for Once")108	}109}110func TestCountListener(t *testing.T) {111	event := "test"112	emitter := NewEmitter().113		AddListener(event, func() {})114	if 1 != emitter.GetListenerCount(event) {115		t.Error("Failed to get listener count from emitter.")116	}117	if 0 != emitter.GetListenerCount("fake") {118		t.Error("Failed to get listener count from emitter.")119	}120}121type SomeType struct{}122func (*SomeType) Receiver(evt string) {}123func TestRemoveStructMethod(t *testing.T) {124	event := "test"125	listener := &SomeType{}126	emitter := NewEmitter().AddListener(event, listener.Receiver)127	emitter.RemoveListener(event, listener.Receiver)128	if 0 != emitter.GetListenerCount(event) {129		t.Error("Failed to remove listener from emitter.")130	}131}132func TestRemoveDoubleListener(t *testing.T) {133	event := "test"134	fn1 := func() {}135	NewEmitter().On(event, fn1).On(event, fn1).RemoveListener(event, fn1)136}...

emitter_test.go

Source:emitter_test.go

...3	"testing"4)5func TestAddListener(t *testing.T) {6	event := "test"7	emitter := NewEmitter().8		AddListener(event, func() {})9	if 1 != len(emitter.events[event]) {10		t.Error("Failed to add listener to the emitter.")11	}12}13func TestEmit(t *testing.T) {14	event := "test"15	flag := true16	NewEmitter().17		AddListener(event, func() { flag = !flag }).18		Emit(event)19	if flag {20		t.Error("Emit failed to call listener to unset flag.")21	}22}23func TestEmitSync(t *testing.T) {24	event := "test"25	flag := true26	NewEmitter().27		AddListener(event, func() { flag = !flag }).28		EmitSync(event)29	if flag {30		t.Error("EmitSync failed to call listener to unset flag.")31	}32}33func TestEmitWithMultipleListeners(t *testing.T) {34	event := "test"35	invoked := 036	NewEmitter().37		AddListener(event, func() {38			invoked = invoked + 139		}).40		AddListener(event, func() {41			invoked = invoked + 142		}).43		Emit(event)44	if invoked != 2 {45		t.Error("Emit failed to call all listeners.")46	}47}48func TestRemoveListener(t *testing.T) {49	event := "test"50	listener := func() {}51	emitter := NewEmitter().52		AddListener(event, listener).53		RemoveListener(event, listener)54	if 0 != len(emitter.events[event]) {55		t.Error("Failed to remove listener from the emitter.")56	}57}58func TestOnce(t *testing.T) {59	event := "test"60	flag := true61	NewEmitter().62		Once(event, func() { flag = !flag }).63		Emit(event).64		Emit(event)65	if flag {66		t.Error("Once called listener multiple times reseting the flag.")67	}68}69func TestRecoveryWith(t *testing.T) {70	event := "test"71	flag := true72	NewEmitter().73		AddListener(event, func() { panic(event) }).74		RecoverWith(func(event, listener interface{}, err error) { flag = !flag }).75		Emit(event)76	if flag {77		t.Error("Listener supplied to RecoverWith was not called to unset flag on panic.")78	}79}80func TestRemoveOnce(t *testing.T) {81	event := "test"82	flag := false83	fn := func() { flag = !flag }84	NewEmitter().85		Once(event, fn).86		RemoveListener(event, fn).87		Emit(event)88	if flag {89		t.Error("Failed to remove Listener for Once")90	}91}92func TestCountListener(t *testing.T) {93	event := "test"94	emitter := NewEmitter().95		AddListener(event, func() {})96	if 1 != emitter.GetListenerCount(event) {97		t.Error("Failed to get listener count from emitter.")98	}99	if 0 != emitter.GetListenerCount("fake") {100		t.Error("Failed to get listener count from emitter.")101	}102}103type SomeType struct{}104func (*SomeType) Receiver(evt string) {}105func TestRemoveStructMethod(t *testing.T) {106	event := "test"107	listener := &SomeType{}108	emitter := NewEmitter().AddListener(event, listener.Receiver)109	emitter.RemoveListener(event, listener.Receiver)110	if 0 != emitter.GetListenerCount(event) {111		t.Error("Failed to remove listener from emitter.")112	}113}114func TestRemoveDoubleListener(t *testing.T) {115	event := "test"116	fn1 := func() {}117	NewEmitter().On(event, fn1).On(event, fn1).RemoveListener(event, fn1)118}...

NewEmitter

Using AI Code Generation

1import (2type Event struct {3}4func (e *Event) NewEmitter() {5	e.Emitter = emitter.New()6}7func (e *Event) Emit() {8	e.Emitter.Emit("hello", "world")9}10func main() {11	event.NewEmitter()12	event.Emit()13}14import (15type Event struct {16}17func (e *Event) New() {18	e.Emitter = emitter.New()19}20func (e *Event) Emit() {21	e.Emitter.Emit("hello", "world")22}23func main() {24	event.New()25	event.Emit()26}27import (28type Event struct {29}30func (e *Event) New() {31	e.Emitter = emitter.New()32}33func (e *Event) Emit() {34	e.Emitter.Emit("hello", "world")35}36func main() {37	event.New()38	event.Emit()39}40import (41type Event struct {42}43func (e *Event) New() {44	e.Emitter = emitter.New()45}46func (e *Event) Emit() {47	e.Emitter.Emit("hello", "world")48}49func (e *Event) On() {50	e.Emitter.On("hello", func(event *emitter.Event) {51		fmt.Println("hello", event.Args[0])52	})53}54func main() {55	event.New()56	event.On()57	event.Emit()58}59import (

NewEmitter

Using AI Code Generation

1import (2func main() {3	emitter := eventstream.NewEmitter()4	listener := eventstream.NewListener(func(e interface{}) {5		fmt.Println("Got event: ", e)6	})7	emitter.Subscribe(listener)8	emitter.Publish("Hello World")9	emitter.Unsubscribe(listener)10	emitter.Publish("Hello World")11	time.Sleep(1 * time.Second)12}13import (14func main() {15	listener := eventstream.NewListener(func(e interface{}) {16		fmt.Println("Got event: ", e)17	})18	eventstream.Subscribe(listener)19	eventstream.Publish("Hello World")20	eventstream.Unsubscribe(listener)21	eventstream.Publish("Hello World")22	time.Sleep(1 * time.Second)23}

NewEmitter

Using AI Code Generation

1import (2func main() {3	vm := otto.New()4	vm.Run(`5	var EventEmitter = require('events').EventEmitter;6	var emitter = new EventEmitter();7	emitter.on('event', function() {8		console.log('event');9	});10	emitter.emit('event');`)11}12import (13func main() {14	vm := otto.New()15	vm.Run(`16	var util = require('util');17	var EventEmitter = require('events').EventEmitter;18	function MyEmitter() {19		EventEmitter.call(this);20	}21	util.inherits(MyEmitter, EventEmitter);22	var myEmitter = new MyEmitter();23	myEmitter.on('event', function() {24		console.log('event');25	});26	myEmitter.emit('event');`)27}28import (29func main() {30	vm := otto.New()31	vm.Run(`32	var util = require('util');33	var EventEmitter = require('events').EventEmitter;34	var myEmitter = new EventEmitter();35	myEmitter.on('event', function() {36		console.log('event');37	});38	myEmitter.emit('event');`)39}

NewEmitter

Using AI Code Generation

1import (2func main() {3	emitter := emitter.NewEmitter()4	emitter.On("event", func() {5		fmt.Println("Event fired")6	})7	emitter.Emit("event")8}9import (10func main() {11	e = trees.NewEmitter()12	e.On("event", func() {13		fmt.Println("Event fired")14	})15	e.Emit("event")16}17import (18func main() {19	emitter := emitter.New()20	emitter.On("event", func() {21		fmt.Println("Event fired")22	})23	emitter.Emit("event")24}25import (26func main() {27	emitter := emitter.New()28	emitter.On("event", func() {29		fmt.Println("Event fired")30	})31	emitter.Emit("event")32}

NewEmitter

Using AI Code Generation

1import (2func main() {3	bus := eventbus.New()4	bus.Subscribe("topic", func (i int) {5		fmt.Println("Received ", i)6	})7	bus.Publish("topic", 42)8}

NewEmitter

Using AI Code Generation

1import (2func main() {3    raven.CaptureErrorAndWait(fmt.Errorf("This is a test error"), nil)4}5import (6func main() {7    raven.CaptureErrorAndWait(fmt.Errorf("This is a test error"), nil)8}9import (10func main() {11    raven.CaptureErrorAndWait(fmt.Errorf("This is a test error"), nil)12}13import (14func main() {15    raven.CaptureErrorAndWait(fmt.Errorf("This is a test error"), nil)16}17import (18func main() {19    raven.CaptureErrorAndWait(fmt.Errorf("This is a test error"), nil)20}21import (22func main() {23    raven.CaptureErrorAndWait(fmt.Errorf("This is a test error"), nil)24}25import (26func main() {27    raven.CaptureErrorAndWait(fmt.Errorf("This is a test error"), nil)28}29import (30func main() {31    raven.CaptureErrorAndWait(fmt.Errorf("This is a test error"), nil)32}

NewEmitter

Using AI Code Generation

1import (2func main() {3	e := emitter.NewEmitter()4	e.On("foo", func() {5		fmt.Println("foo")6	})7	e.On("foo", func() {8		fmt.Println("bar")9	})10	e.On("foo", func() {11		fmt.Println("baz")12	})13	e.Emit("foo")14}15import (16func main() {17	e := emitter.NewEmitter()18	e.On("foo", func() {19		fmt.Println("foo")20	})21	e.On("foo", func() {22		fmt.Println("bar")23	})24	e.On("foo", func() {25		fmt.Println("baz")26	})27	e.Emit("foo")28}29import (30func main() {31	e := emitter.NewEmitter()32	e.On("foo", func() {33		fmt.Println("foo")34	})35	e.On("foo", func() {36		fmt.Println("bar")37	})38	e.On("foo", func() {39		fmt.Println("baz")40	})41	e.Emit("foo")42}43import (44func main() {45	e := emitter.NewEmitter()46	e.On("foo", func() {47		fmt.Println("foo")48	})49	e.On("foo", func() {50		fmt.Println("bar")51	})52	e.On("foo", func() {53		fmt.Println("baz")54	})55	e.Emit("foo")56}

NewEmitter

Using AI Code Generation

1import (2func main() {3	c := make(chan string)4	go func() {5		for {6			time.Sleep(time.Second)7		}8	}()9	go func() {10		for {11			time.Sleep(time.Second)12		}13	}()14	for {15		select {16			fmt.Println(msg)17		}18	}19}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.