func TestRandomOrdering(t *testing.T) {
is := testy.New(t).Label("the order is preserved")
defer func() { t.Logf(is.Done()) }()
inOrder := inorder.NewInOrder(100 * time.Millisecond)
var tasks []*DummyTask
for i := 0; i < 5000; i++ {
name := fmt.Sprintf("normal-%d", i)
ms := rand.Int() % 50
if i%500 == 0 {
ms = 20000
name = fmt.Sprintf("too-long-%d", i)
}
task := NewDummyTask(time.Duration(ms)*time.Millisecond, name)
tasks = append(tasks, task)
inOrder.Enqueue(task)
if i%100 == 0 {
time.Sleep(20 * time.Millisecond)
}
}
for i := range tasks {
result := <-inOrder.Done
if result.Error == inorder.ErrTaskTimedOut {
is.Equal(result.Task.(*DummyTask).ExpectedName, fmt.Sprintf("too-long-%d", i))
} else if result.Error == nil {
is.Equal(result.Task.(*DummyTask).Name, fmt.Sprintf("normal-%d", i))
} else {
is.Errorf("Task failed: %s", result.Error.Error())
}
}
}
func ExampleUse() {
a := NewDummyTask(20*time.Millisecond, "a")
b := NewDummyTask(10*time.Millisecond, "b")
c := NewDummyTask(15*time.Millisecond, "c")
inOrder := inorder.NewInOrder(50 * time.Millisecond)
inOrder.Enqueue(a)
inOrder.Enqueue(b)
inOrder.Enqueue(c)
fmt.Println("first:", (<-inOrder.Done).Task.(*DummyTask).Name)
fmt.Println("second:", (<-inOrder.Done).Task.(*DummyTask).Name)
fmt.Println("last:", (<-inOrder.Done).Task.(*DummyTask).Name)
// Output:
// first: a
// second: b
// last: c
}