优化结构

internal/worker/task_runtime_test.go

@@ -308,3 +308,25 @@ func TestStartReturnsAfterStop(t *testing.T) {
 		t.Fatal("Start() did not return after Stop()")
 	}
 }
+
+func TestStopBeforeStartPreventsSchedulerStartup(t *testing.T) {
+	scheduler := newTestTaskScheduler(&workerTaskRepo{})
+	if err := scheduler.Stop(context.Background()); err != nil {
+		t.Fatalf("Stop() error = %v", err)
+	}
+	started := make(chan error, 1)
+	go func() {
+		started <- scheduler.Start(context.Background())
+	}()
+	select {
+	case err := <-started:
+		if err != nil {
+			t.Fatalf("Start() error = %v", err)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Start() did not return after a pre-start Stop()")
+	}
+	if got := len(scheduler.standard.Entries()) + len(scheduler.seconds.Entries()); got != 0 {
+		t.Fatalf("pre-start Stop() left cron entries: %d", got)
+	}
+}