| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| // Copyright Istio 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 labels_test |
| |
| import ( |
| "testing" |
| |
| "github.com/apache/dubbo-kubernetes/pkg/core/labels" |
| ) |
| |
| func TestCollection(t *testing.T) { |
| a := labels.Instance{"app": "a"} |
| b := labels.Instance{"app": "b"} |
| a1 := labels.Instance{"app": "a", "prod": "env"} |
| ab := labels.Collection{a, b} |
| a1b := labels.Collection{a1, b} |
| none := labels.Collection{} |
| |
| // equivalent to empty tag collection |
| singleton := labels.Collection{nil} |
| |
| if (labels.Collection{a}).HasSubsetOf(b) { |
| t.Errorf("{a}.HasSubsetOf(b) => Got true") |
| } |
| |
| matching := []struct { |
| tag labels.Instance |
| collection labels.Collection |
| }{ |
| {a, ab}, |
| {b, ab}, |
| {a, none}, |
| {a, nil}, |
| {a, singleton}, |
| {a1, ab}, |
| {b, a1b}, |
| } |
| for _, pair := range matching { |
| if !pair.collection.HasSubsetOf(pair.tag) { |
| t.Errorf("%v.HasSubsetOf(%v) => Got false", pair.collection, pair.tag) |
| } |
| } |
| |
| // Test not panic |
| var nilInstance labels.Instance |
| if ab.HasSubsetOf(nilInstance) { |
| t.Errorf("%v.HasSubsetOf(%v) => Got true", ab, nilInstance) |
| } |
| } |