add testcase

This commit is contained in:
程广 2024-09-19 16:19:02 +08:00
parent 95a538dbfe
commit 3173e66166
2 changed files with 62 additions and 0 deletions

View File

@ -27,6 +27,8 @@ func (e *EventEmitter) Once(event string, callback func(args ...interface{})) {
defer e.lock.Unlock() defer e.lock.Unlock()
if _, ok := e.onceCallbacks[event]; !ok { if _, ok := e.onceCallbacks[event]; !ok {
e.onceCallbacks[event] = []func(args ...interface{}){callback}
} else {
e.onceCallbacks[event] = append(e.onceCallbacks[event], callback) e.onceCallbacks[event] = append(e.onceCallbacks[event], callback)
} }
} }

60
main_test.go Normal file
View File

@ -0,0 +1,60 @@
package goemitter
import (
"testing"
"time"
)
func TestEventEmitter_Emit(t *testing.T) {
emitter := &EventEmitter{
callbacks: make(map[string][]func(args ...interface{})),
onceCallbacks: make(map[string][]func(args ...interface{})),
}
// 注册一个普通回调函数
emitter.callbacks["testEvent"] = append(emitter.callbacks["testEvent"], func(data ...interface{}) {
t.Log("普通回调函数被调用")
})
// 注册一个一次性回调函数
emitter.onceCallbacks["testEvent"] = append(emitter.onceCallbacks["testEvent"], func(data ...interface{}) {
t.Log("一次性回调函数被调用")
})
// 触发事件
emitter.Emit("testEvent", "testData")
// 等待一段时间,确保异步执行的回调函数完成
time.Sleep(1 * time.Second)
if len(emitter.onceCallbacks["testEvent"]) != 0 {
t.Error("一次性回调函数没有被清除")
}
}
func TestEventEmitter_Once(t *testing.T) {
emitter := &EventEmitter{
onceCallbacks: make(map[string][]func(args ...interface{})),
}
// 测试添加新事件和回调函数
emitter.Once("event1", func(args ...interface{}) {})
if len(emitter.onceCallbacks["event1"]) != 1 {
t.Error("一次性回调函数添加失败")
}
// 测试添加已存在事件的回调函数
emitter.Once("event1", func(args ...interface{}) {})
if len(emitter.onceCallbacks["event1"]) != 2 {
t.Error("一次性回调函数再次添加失败")
}
// 测试不存在的事件
emitter.Once("event2", func(args ...interface{}) {})
emitter.Emit("event1", "testData")
// 等待一段时间,确保异步执行的回调函数完成
time.Sleep(1 * time.Second)
if len(emitter.onceCallbacks["event1"]) != 0 {
t.Error("一次性回调函数没有被清除")
}
}