open-nomad/lib/delay_heap_test.go

116 lines
2.7 KiB
Go

package lib
import (
"testing"
"time"
"github.com/stretchr/testify/require"
)
// HeapNodeImpl satisfies the HeapNode interface
type heapNodeImpl struct {
dataObject interface{}
id string
namespace string
}
func (d *heapNodeImpl) Data() interface{} {
return d.dataObject
}
func (d *heapNodeImpl) ID() string {
return d.id
}
func (d *heapNodeImpl) Namespace() string {
return d.namespace
}
func TestDelayHeap_PushPop(t *testing.T) {
delayHeap := NewDelayHeap()
now := time.Now()
require := require.New(t)
// a dummy type to use as the inner object in the heap
type myObj struct {
a int
b string
}
dataNode1 := &heapNodeImpl{
dataObject: &myObj{a: 0, b: "hey"},
id: "101",
namespace: "default",
}
delayHeap.Push(dataNode1, now.Add(-10*time.Minute))
dataNode2 := &heapNodeImpl{
dataObject: &myObj{a: 0, b: "hey"},
id: "102",
namespace: "default",
}
delayHeap.Push(dataNode2, now.Add(10*time.Minute))
dataNode3 := &heapNodeImpl{
dataObject: &myObj{a: 0, b: "hey"},
id: "103",
namespace: "default",
}
delayHeap.Push(dataNode3, now.Add(-15*time.Second))
dataNode4 := &heapNodeImpl{
dataObject: &myObj{a: 0, b: "hey"},
id: "101",
namespace: "test-namespace",
}
delayHeap.Push(dataNode4, now.Add(2*time.Hour))
expectedWaitTimes := []time.Time{now.Add(-10 * time.Minute), now.Add(-15 * time.Second), now.Add(10 * time.Minute), now.Add(2 * time.Hour)}
entries := getHeapEntries(delayHeap, now)
for i, entry := range entries {
require.Equal(expectedWaitTimes[i], entry.WaitUntil)
}
}
func TestDelayHeap_Update(t *testing.T) {
delayHeap := NewDelayHeap()
now := time.Now()
require := require.New(t)
// a dummy type to use as the inner object in the heap
type myObj struct {
a int
b string
}
dataNode1 := &heapNodeImpl{
dataObject: &myObj{a: 0, b: "hey"},
id: "101",
namespace: "default",
}
delayHeap.Push(dataNode1, now.Add(-10*time.Minute))
dataNode2 := &heapNodeImpl{
dataObject: &myObj{a: 0, b: "hey"},
id: "102",
namespace: "default",
}
delayHeap.Push(dataNode2, now.Add(10*time.Minute))
delayHeap.Update(dataNode1, now.Add(20*time.Minute))
expectedWaitTimes := []time.Time{now.Add(10 * time.Minute), now.Add(20 * time.Minute)}
expectedIdOrder := []string{"102", "101"}
entries := getHeapEntries(delayHeap, now)
for i, entry := range entries {
require.Equal(expectedWaitTimes[i], entry.WaitUntil)
require.Equal(expectedIdOrder[i], entry.Node.ID())
}
}
func getHeapEntries(delayHeap *DelayHeap, now time.Time) []*delayHeapNode {
var entries []*delayHeapNode
for node := delayHeap.Pop(); node != nil; {
entries = append(entries, node)
node = delayHeap.Pop()
}
return entries
}