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78 lines
1.4 KiB
78 lines
1.4 KiB
package common
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import (
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"sync"
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"testing"
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"time"
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// make govet noshadow happy...
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asrt "github.com/stretchr/testify/assert"
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)
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type rCounter struct {
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input chan time.Time
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mtx sync.Mutex
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count int
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}
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func (c *rCounter) Increment() {
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c.mtx.Lock()
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c.count++
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c.mtx.Unlock()
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}
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func (c *rCounter) Count() int {
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c.mtx.Lock()
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val := c.count
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c.mtx.Unlock()
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return val
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}
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// Read should run in a go-routine and
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// updates count by one every time a packet comes in
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func (c *rCounter) Read() {
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for range c.input {
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c.Increment()
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}
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}
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func TestRepeat(test *testing.T) {
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assert := asrt.New(test)
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dur := time.Duration(50) * time.Millisecond
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short := time.Duration(20) * time.Millisecond
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// delay waits for cnt durations, an a little extra
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delay := func(cnt int) time.Duration {
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return time.Duration(cnt)*dur + time.Duration(5)*time.Millisecond
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}
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t := NewRepeatTimer("bar", dur)
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// start at 0
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c := &rCounter{input: t.Ch}
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go c.Read()
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assert.Equal(0, c.Count())
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// wait for 4 periods
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time.Sleep(delay(4))
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assert.Equal(4, c.Count())
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// keep reseting leads to no firing
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for i := 0; i < 20; i++ {
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time.Sleep(short)
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t.Reset()
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}
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assert.Equal(4, c.Count())
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// after this, it still works normal
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time.Sleep(delay(2))
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assert.Equal(6, c.Count())
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// after a stop, nothing more is sent
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stopped := t.Stop()
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assert.True(stopped)
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time.Sleep(delay(7))
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assert.Equal(6, c.Count())
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// close channel to stop counter
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close(t.Ch)
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}
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