95 lines
2.0 KiB
Go
95 lines
2.0 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package expiring
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import (
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"testing"
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"testing/quick"
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"time"
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klog "k8s.io/klog/v2"
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clock "k8s.io/utils/clock/testing"
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)
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func TestToSlice(t *testing.T) {
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if err := quick.Check(identityCheck, nil); err != nil {
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t.Error(err)
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}
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}
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func identityCheck(list []int) bool {
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l := NewList()
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l.registerElementsFrom(list)
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return l.equals(list)
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}
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func TestDropNotNewer(t *testing.T) {
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if err := quick.Check(dropChecks, nil); err != nil {
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t.Error(err)
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}
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}
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func dropChecks(l1, l2, l3 []int) bool {
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t0 := time.Now()
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c := clock.NewFakePassiveClock(t0)
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t1, t2 := t0.Add(1*time.Minute), t0.Add(2*time.Minute)
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l := newListWithClock(c)
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l.registerElementsFrom(l1)
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c.SetTime(t1)
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l.registerElementsFrom(l2)
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c.SetTime(t2)
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if !l.equals(append(l1, l2...)) {
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return false
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}
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l.DropNotNewerThan(t0)
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if !l.equals(l2) {
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return false
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}
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l.registerElementsFrom(l3)
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if !l.equals(append(l2, l3...)) {
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return false
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}
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l.DropNotNewerThan(t1)
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if !l.equals(l3) {
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return false
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}
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l.DropNotNewerThan(t2)
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return len(l.ToSlice()) == 0
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}
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func (e *List) registerElementsFrom(list []int) {
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for _, i := range list {
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e.RegisterElement(i)
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}
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}
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func (e *List) equals(want []int) bool {
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got := e.ToSlice()
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if len(got) != len(want) {
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klog.Errorf("len(%v) != len(%v)", got, want)
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return false
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}
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for i, g := range got {
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w := want[i]
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if g.(int) != w {
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klog.Errorf("%v != %v (difference at index %v)", got, want, i)
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return false
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}
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}
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return true
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}
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