83 lines
2.4 KiB
Go
83 lines
2.4 KiB
Go
// Copyright 2018 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package lease
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import (
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"testing"
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"time"
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)
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func TestLeaseQueue(t *testing.T) {
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expiredRetryInterval := 100 * time.Millisecond
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le := &lessor{
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leaseExpiredNotifier: newLeaseExpiredNotifier(),
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leaseMap: make(map[LeaseID]*Lease),
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expiredLeaseRetryInterval: expiredRetryInterval,
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}
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le.leaseExpiredNotifier.Init()
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// insert in reverse order of expiration time
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for i := 50; i >= 1; i-- {
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exp := time.Now().Add(time.Hour).UnixNano()
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if i == 1 {
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exp = time.Now().UnixNano()
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}
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le.leaseMap[LeaseID(i)] = &Lease{ID: LeaseID(i)}
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le.leaseExpiredNotifier.RegisterOrUpdate(&LeaseWithTime{id: LeaseID(i), time: exp})
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}
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// first element is expired.
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if le.leaseExpiredNotifier.Poll().id != LeaseID(1) {
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t.Fatalf("first item expected lease ID %d, got %d", LeaseID(1), le.leaseExpiredNotifier.Poll().id)
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}
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existExpiredEvent := func() {
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l, ok, more := le.expireExists()
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if l.ID != 1 {
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t.Fatalf("first item expected lease ID %d, got %d", 1, l.ID)
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}
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if !ok {
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t.Fatal("expect expiry lease exists")
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}
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if more {
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t.Fatal("expect no more expiry lease")
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}
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if le.leaseExpiredNotifier.Len() != 50 {
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t.Fatalf("expected the expired lease to be pushed back to the heap, heap size got %d", le.leaseExpiredNotifier.Len())
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}
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if le.leaseExpiredNotifier.Poll().id != LeaseID(1) {
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t.Fatalf("first item expected lease ID %d, got %d", LeaseID(1), le.leaseExpiredNotifier.Poll().id)
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}
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}
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noExpiredEvent := func() {
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// re-acquire the expired item, nothing exists
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_, ok, more := le.expireExists()
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if ok {
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t.Fatal("expect no expiry lease exists")
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}
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if more {
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t.Fatal("expect no more expiry lease")
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}
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}
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existExpiredEvent() // first acquire
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noExpiredEvent() // second acquire
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time.Sleep(expiredRetryInterval)
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existExpiredEvent() // acquire after retry interval
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}
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