prysm-pulse/async/every_test.go

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package async_test
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import (
"context"
"testing"
"time"
"github.com/prysmaticlabs/prysm/async"
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)
func TestEveryRuns(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
i := 0
async.RunEvery(ctx, 100*time.Millisecond, func() {
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i++
})
// Sleep for a bit and ensure the value has increased.
time.Sleep(200 * time.Millisecond)
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if i == 0 {
t.Error("Counter failed to increment with ticker")
}
cancel()
// Sleep for a bit to let the cancel take place.
time.Sleep(100 * time.Millisecond)
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last := i
// Sleep for a bit and ensure the value has not increased.
time.Sleep(200 * time.Millisecond)
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if i != last {
t.Error("Counter incremented after stop")
}
}