81 lines
1.9 KiB
Go
81 lines
1.9 KiB
Go
package initiatorpool
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import (
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"context"
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"git.wisehodl.dev/jay/go-honeybee/honeybeetest"
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"testing"
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"time"
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)
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func TestRunKeepalive(t *testing.T) {
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t.Run("heartbeat resets timer, no keepalive signal fired", func(t *testing.T) {
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heartbeat := make(chan struct{})
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keepalive := make(chan struct{}, 1)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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w := &DefaultWorker{
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Config: &WorkerConfig{KeepaliveTimeout: 200 * time.Millisecond},
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Heartbeat: heartbeat,
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}
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go w.RunKeepalive(ctx, keepalive)
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// send heartbeats faster than the timeout
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for i := 0; i < 5; i++ {
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time.Sleep(20 * time.Millisecond)
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w.Heartbeat <- struct{}{}
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}
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// because the timer is being reset, keepalive signal should not be sent
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honeybeetest.Never(t, func() bool {
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select {
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case <-keepalive:
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return true
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default:
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return false
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}
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}, "unexpected keepalive signal")
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})
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t.Run("keepalive timeout fires signal", func(t *testing.T) {
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keepalive := make(chan struct{}, 1)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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w := &DefaultWorker{Config: &WorkerConfig{KeepaliveTimeout: 20 * time.Millisecond}}
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go w.RunKeepalive(ctx, keepalive)
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// send no heartbeats, wait for timeout and keepalive signal
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honeybeetest.Eventually(t, func() bool {
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select {
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case <-keepalive:
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return true
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default:
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return false
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}
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}, "expected keepalive signal")
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})
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t.Run("exits on context cancellation", func(t *testing.T) {
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keepalive := make(chan struct{}, 1)
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ctx, cancel := context.WithCancel(context.Background())
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w := &DefaultWorker{Config: &WorkerConfig{KeepaliveTimeout: 20 * time.Second}}
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done := make(chan struct{})
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go func() {
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w.RunKeepalive(ctx, keepalive)
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close(done)
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}()
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cancel()
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honeybeetest.Eventually(t, func() bool {
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select {
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case <-done:
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return true
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default:
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return false
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}
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}, "expected done signal")
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})
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}
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