90 lines
1.8 KiB
Go
90 lines
1.8 KiB
Go
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package debouncer_test
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import (
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"testing"
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"time"
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"git.t-juice.club/torjus/ghettoptt/debouncer"
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)
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func TestDebouncer(t *testing.T) {
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t.Run("Simple", func(t *testing.T) {
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ch := make(chan bool)
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d := debouncer.New(ch)
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go func() {
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ch <- true
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close(ch)
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}()
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if v := <-d.C; v != true {
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t.Errorf("Expected true, got %v", v)
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}
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})
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t.Run("TrueTrueTrueFalse", func(t *testing.T) {
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ch := make(chan bool)
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d := debouncer.New(ch)
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go func() {
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ch <- true
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ch <- true
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ch <- true
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ch <- false
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close(ch)
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}()
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if v := <-d.C; v != true {
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t.Errorf("Expected true, got %v", v)
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}
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if v := <-d.C; v != false {
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t.Errorf("Expected false, got %v", v)
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}
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})
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t.Run("Debounce", func(t *testing.T) {
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ch := make(chan bool)
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d := debouncer.New(ch)
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go func() {
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ch <- true
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time.Sleep(10 * time.Millisecond)
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ch <- false
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time.Sleep(1 * time.Millisecond)
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ch <- true
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time.Sleep(1 * time.Millisecond)
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ch <- false
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time.Sleep(10 * time.Millisecond)
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close(ch)
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}()
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if v := <-d.C; v != true {
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t.Errorf("Expected first value to be true, got %v", v)
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}
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if v := <-d.C; v != false {
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t.Errorf("Expected second value to be false, got %v", v)
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}
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if v, ok := <-d.C; ok {
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t.Errorf("Expected closed channel, got %v", v)
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}
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})
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t.Run("DebounceDelay", func(t *testing.T) {
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ch := make(chan bool)
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d := debouncer.New(ch)
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go func() {
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ch <- true
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ch <- false
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close(ch)
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}()
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start := time.Now()
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if v := <-d.C; v != true {
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t.Errorf("Expected first value to be true, got %v", v)
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}
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if v, ok := <-d.C; v != false || !ok {
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if ok {
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t.Errorf("Expected second value to be false, got %v", v)
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} else {
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t.Error("Unexpected closed channel")
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}
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}
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if duration := time.Since(start); duration < 200*time.Millisecond {
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t.Errorf("Got false too soon: %s", duration)
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}
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})
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}
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