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https://gitlab.com/pulsechaincom/prysm-pulse.git
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28 lines
628 B
Go
28 lines
628 B
Go
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package asyncutil
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import (
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"context"
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"testing"
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"time"
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)
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func TestDebounce(t *testing.T) {
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eventsChan := make(chan interface{}, 100)
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ctx, cancel := context.WithCancel(context.Background())
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interval := time.Second
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timesHandled := 0
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go Debounce(ctx, interval, eventsChan, func(event interface{}) {
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timesHandled++
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})
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for i := 0; i < 100; i++ {
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eventsChan <- struct{}{}
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}
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time.Sleep(interval)
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cancel()
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// We should expect 100 rapid fire changes to only have caused
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// 1 handler to trigger after the debouncing period.
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if timesHandled != 1 {
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t.Errorf("Expected 1 handler call, received %d", timesHandled)
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}
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}
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