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6777feb020
returns a ListerWatcher that knows whether the provided client explicitly does NOT support the WatchList semantics. This allows Reflectors to adapt their behavior based on client capabilities. Kubernetes-commit: 3b93755c0c07ce898f1c2a3924adef6c3143f247
66 lines
2.1 KiB
Go
66 lines
2.1 KiB
Go
/*
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Copyright 2025 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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"k8s.io/client-go/util/watchlist"
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)
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type fakeWatchListClient struct {
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unSupportedWatchListSemantics bool
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}
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func (f fakeWatchListClient) IsWatchListSemanticsUnSupported() bool {
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return f.unSupportedWatchListSemantics
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}
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func TestToListWatcherWithWatchListSemantics(t *testing.T) {
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scenarios := []struct {
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name string
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client any
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expectUnSupportedWatchListSemantics bool
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}{
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{
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name: "client which doesn't implement the interface supports WatchList semantics",
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client: nil,
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expectUnSupportedWatchListSemantics: false,
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},
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{
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name: "client does not support WatchList semantics",
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client: fakeWatchListClient{unSupportedWatchListSemantics: true},
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expectUnSupportedWatchListSemantics: true,
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},
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{
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name: "client supports WatchList semantics",
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client: fakeWatchListClient{unSupportedWatchListSemantics: false},
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expectUnSupportedWatchListSemantics: false,
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},
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}
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for _, scenario := range scenarios {
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t.Run(scenario.name, func(t *testing.T) {
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target := ToListWatcherWithWatchListSemantics(&ListWatch{}, scenario.client)
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if got := watchlist.DoesClientNotSupportWatchListSemantics(target); got != scenario.expectUnSupportedWatchListSemantics {
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t.Fatalf("DoesClientNotSupportWatchListSemantics returned: %v, want: %v", got, scenario.expectUnSupportedWatchListSemantics)
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}
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})
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}
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}
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