/* Copyright 2014 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. */ // This code is directly lifted from the Kubernetes codebase in order to avoid relying on the k8s.io/kubernetes package. // For reference: // https://github.com/kubernetes/kubernetes/blob/release-1.23/pkg/apis/core/validation/validation_test.go#L15475-L15518 package lifted import ( "strings" "testing" "k8s.io/apimachinery/pkg/util/validation/field" ) func TestValidateResourceNames(t *testing.T) { table := []struct { input string success bool expect string }{ {"memory", true, ""}, {"cpu", true, ""}, {"storage", true, ""}, {"requests.cpu", true, ""}, {"requests.memory", true, ""}, {"requests.storage", true, ""}, {"limits.cpu", true, ""}, {"limits.memory", true, ""}, {"network", false, ""}, {"disk", false, ""}, {"", false, ""}, {".", false, ""}, {"..", false, ""}, {"my.favorite.app.co/12345", true, ""}, {"my.favorite.app.co/_12345", false, ""}, {"my.favorite.app.co/12345_", false, ""}, {"kubernetes.io/..", false, ""}, {"kubernetes.io/" + strings.Repeat("a", 63), true, ""}, {"kubernetes.io/" + strings.Repeat("a", 64), false, ""}, {"kubernetes.io//", false, ""}, {"kubernetes.io", false, ""}, {"kubernetes.io/will/not/work/", false, ""}, } for k, item := range table { err := validateResourceName(item.input, field.NewPath("field")) if len(err) != 0 && item.success { t.Errorf("expected no failure for input %q", item.input) } else if len(err) == 0 && !item.success { t.Errorf("expected failure for input %q", item.input) for i := range err { detail := err[i].Detail if detail != "" && !strings.Contains(detail, item.expect) { t.Errorf("%d: expected error detail either empty or %s, got %s", k, item.expect, detail) } } } } }