159 lines
4.8 KiB
Go
159 lines
4.8 KiB
Go
/*
|
|
Copyright 2024 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package cacher
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestStoreListOrdered(t *testing.T) {
|
|
store := newThreadedBtreeStoreIndexer(nil, btreeDegree)
|
|
assert.NoError(t, store.Add(testStorageElement("foo3", "bar3", 1)))
|
|
assert.NoError(t, store.Add(testStorageElement("foo1", "bar2", 2)))
|
|
assert.NoError(t, store.Add(testStorageElement("foo2", "bar1", 3)))
|
|
assert.Equal(t, []interface{}{
|
|
testStorageElement("foo1", "bar2", 2),
|
|
testStorageElement("foo2", "bar1", 3),
|
|
testStorageElement("foo3", "bar3", 1),
|
|
}, store.List())
|
|
}
|
|
|
|
func TestStoreListPrefix(t *testing.T) {
|
|
store := newThreadedBtreeStoreIndexer(nil, btreeDegree)
|
|
assert.NoError(t, store.Add(testStorageElement("foo3", "bar3", 1)))
|
|
assert.NoError(t, store.Add(testStorageElement("foo1", "bar2", 2)))
|
|
assert.NoError(t, store.Add(testStorageElement("foo2", "bar1", 3)))
|
|
assert.NoError(t, store.Add(testStorageElement("bar", "baz", 4)))
|
|
|
|
items := store.ListPrefix("foo", "")
|
|
assert.Equal(t, []interface{}{
|
|
testStorageElement("foo1", "bar2", 2),
|
|
testStorageElement("foo2", "bar1", 3),
|
|
testStorageElement("foo3", "bar3", 1),
|
|
}, items)
|
|
|
|
items = store.ListPrefix("foo2", "")
|
|
assert.Equal(t, []interface{}{
|
|
testStorageElement("foo2", "bar1", 3),
|
|
}, items)
|
|
|
|
items = store.ListPrefix("foo", "foo1\x00")
|
|
assert.Equal(t, []interface{}{
|
|
testStorageElement("foo2", "bar1", 3),
|
|
testStorageElement("foo3", "bar3", 1),
|
|
}, items)
|
|
|
|
items = store.ListPrefix("foo", "foo2\x00")
|
|
assert.Equal(t, []interface{}{
|
|
testStorageElement("foo3", "bar3", 1),
|
|
}, items)
|
|
|
|
items = store.ListPrefix("bar", "")
|
|
assert.Equal(t, []interface{}{
|
|
testStorageElement("bar", "baz", 4),
|
|
}, items)
|
|
}
|
|
|
|
func TestStoreSnapshotter(t *testing.T) {
|
|
cache := newStoreSnapshotter()
|
|
cache.Add(10, fakeOrderedLister{rv: 10})
|
|
cache.Add(20, fakeOrderedLister{rv: 20})
|
|
cache.Add(30, fakeOrderedLister{rv: 30})
|
|
cache.Add(40, fakeOrderedLister{rv: 40})
|
|
assert.Equal(t, 4, cache.snapshots.Len())
|
|
|
|
t.Log("No snapshot from before first RV")
|
|
_, found := cache.GetLessOrEqual(9)
|
|
assert.False(t, found)
|
|
|
|
t.Log("Get snapshot from first RV")
|
|
snapshot, found := cache.GetLessOrEqual(10)
|
|
assert.True(t, found)
|
|
assert.Equal(t, 10, snapshot.(fakeOrderedLister).rv)
|
|
|
|
t.Log("Get first snapshot by larger RV")
|
|
snapshot, found = cache.GetLessOrEqual(11)
|
|
assert.True(t, found)
|
|
assert.Equal(t, 10, snapshot.(fakeOrderedLister).rv)
|
|
|
|
t.Log("Get second snapshot by larger RV")
|
|
snapshot, found = cache.GetLessOrEqual(22)
|
|
assert.True(t, found)
|
|
assert.Equal(t, 20, snapshot.(fakeOrderedLister).rv)
|
|
|
|
t.Log("Get third snapshot for future revision")
|
|
snapshot, found = cache.GetLessOrEqual(100)
|
|
assert.True(t, found)
|
|
assert.Equal(t, 40, snapshot.(fakeOrderedLister).rv)
|
|
|
|
t.Log("Remove snapshot less than 30")
|
|
cache.RemoveLess(30)
|
|
|
|
assert.Equal(t, 2, cache.snapshots.Len())
|
|
_, found = cache.GetLessOrEqual(10)
|
|
assert.False(t, found)
|
|
|
|
_, found = cache.GetLessOrEqual(20)
|
|
assert.False(t, found)
|
|
|
|
snapshot, found = cache.GetLessOrEqual(30)
|
|
assert.True(t, found)
|
|
assert.Equal(t, 30, snapshot.(fakeOrderedLister).rv)
|
|
|
|
t.Log("Remove removing all RVs")
|
|
cache.Reset()
|
|
assert.Equal(t, 0, cache.snapshots.Len())
|
|
_, found = cache.GetLessOrEqual(30)
|
|
assert.False(t, found)
|
|
_, found = cache.GetLessOrEqual(40)
|
|
assert.False(t, found)
|
|
}
|
|
|
|
type fakeOrderedLister struct {
|
|
rv int
|
|
}
|
|
|
|
func (f fakeOrderedLister) Add(obj interface{}) error { return nil }
|
|
func (f fakeOrderedLister) Update(obj interface{}) error { return nil }
|
|
func (f fakeOrderedLister) Delete(obj interface{}) error { return nil }
|
|
func (f fakeOrderedLister) Clone() orderedLister { return f }
|
|
func (f fakeOrderedLister) ListPrefix(prefixKey, continueKey string) []interface{} {
|
|
return nil
|
|
}
|
|
func (f fakeOrderedLister) Count(prefixKey, continueKey string) int { return 0 }
|
|
|
|
type fakeSnapshotter struct {
|
|
getLessOrEqual func(rv uint64) (orderedLister, bool)
|
|
}
|
|
|
|
var _ Snapshotter = (*fakeSnapshotter)(nil)
|
|
|
|
func (f *fakeSnapshotter) Reset() {}
|
|
func (f *fakeSnapshotter) GetLessOrEqual(rv uint64) (orderedLister, bool) {
|
|
if f.getLessOrEqual == nil {
|
|
return nil, false
|
|
}
|
|
return f.getLessOrEqual(rv)
|
|
}
|
|
func (f *fakeSnapshotter) Add(rv uint64, indexer orderedLister) {}
|
|
func (f *fakeSnapshotter) RemoveLess(rv uint64) {}
|
|
func (f *fakeSnapshotter) Len() int {
|
|
return 0
|
|
}
|