make the reconnect delay interruptible by the session context

session.go

@@ -316,8 +316,14 @@ func (w *session) reset(ctx context.Context) bool {
 	default:
 	}
 
-	// refresh session
+	// refresh session timeout
-	time.Sleep(w.config.ReconnectDelay)
+	timer := time.NewTimer(w.config.ReconnectDelay)
+	select {
+	case <-ctx.Done():
+		timer.Stop()
+		return false
+	case <-timer.C:
+	}
 	w.restartCount.Add(1)
 	return true
 }

session_test.go

@@ -829,3 +829,28 @@ func TestSession_Send(t *testing.T) {
 		assert.ErrorIs(t, err, ErrConnectionUnavailable)
 	})
 }
+
+func TestSessionResetCancel(t *testing.T) {
+	w := &session{
+		config:       SessionConfig{ReconnectDelay: 30 * time.Second},
+		restartCount: &atomic.Uint64{},
+	}
+	ctx, cancel := context.WithCancel(context.Background())
+	done := make(chan bool, 1)
+
+	go func() {
+		done <- w.reset(ctx)
+	}()
+
+	time.Sleep(50 * time.Millisecond)
+	cancel()
+
+	honeybeetest.Eventually(t, func() bool {
+		select {
+		case ok := <-done:
+			return !ok
+		default:
+			return false
+		}
+	}, "expected reset to return false promptly after cancel")
+}