/*
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Copyright 2019 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 cache
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import (
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"testing"
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)
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func TestThreadSafeStoreDeleteRemovesEmptySetsFromIndex(t *testing.T) {
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testIndexer := "testIndexer"
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indexers := Indexers{
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testIndexer: func(obj interface{}) (strings []string, e error) {
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indexes := []string{obj.(string)}
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return indexes, nil
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},
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}
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indices := Indices{}
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store := NewThreadSafeStore(indexers, indices).(*threadSafeMap)
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testKey := "testKey"
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store.Add(testKey, testKey)
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// Assumption check, there should be a set for the `testKey` with one element in the added index
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set := store.indices[testIndexer][testKey]
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if len(set) != 1 {
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t.Errorf("Initial assumption of index backing string set having 1 element failed. Actual elements: %d", len(set))
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return
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}
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store.Delete(testKey)
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set, present := store.indices[testIndexer][testKey]
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if present {
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t.Errorf("Index backing string set not deleted from index. Set length: %d", len(set))
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}
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}
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func TestThreadSafeStoreAddKeepsNonEmptySetPostDeleteFromIndex(t *testing.T) {
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testIndexer := "testIndexer"
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testIndex := "testIndex"
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indexers := Indexers{
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testIndexer: func(obj interface{}) (strings []string, e error) {
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indexes := []string{testIndex}
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return indexes, nil
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},
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}
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indices := Indices{}
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store := NewThreadSafeStore(indexers, indices).(*threadSafeMap)
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store.Add("retain", "retain")
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store.Add("delete", "delete")
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// Assumption check, there should be a set for the `testIndex` with two elements
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set := store.indices[testIndexer][testIndex]
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if len(set) != 2 {
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t.Errorf("Initial assumption of index backing string set having 2 elements failed. Actual elements: %d", len(set))
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return
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}
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store.Delete("delete")
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set, present := store.indices[testIndexer][testIndex]
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if !present {
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t.Errorf("Index backing string set erroneously deleted from index.")
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return
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}
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if len(set) != 1 {
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t.Errorf("Index backing string set has incorrect length, expect 1. Set length: %d", len(set))
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}
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}
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