69 lines
2.8 KiB
Go
69 lines
2.8 KiB
Go
/*
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Copyright 2022 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 library
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import (
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"testing"
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"github.com/google/cel-go/cel"
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"k8s.io/apimachinery/pkg/util/sets"
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)
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func TestLibraryCompatibility(t *testing.T) {
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var libs []map[string][]cel.FunctionOpt
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libs = append(libs, authzLibraryDecls, listsLibraryDecls, regexLibraryDecls, urlLibraryDecls, quantityLibraryDecls, ipLibraryDecls, cidrLibraryDecls, formatLibraryDecls, authzSelectorsLibraryDecls)
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functionNames := sets.New[string]()
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for _, lib := range libs {
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for name := range lib {
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functionNames[name] = struct{}{}
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}
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}
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// WARN: All library changes must follow
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// https://github.com/kubernetes/enhancements/tree/master/keps/sig-api-machinery/2876-crd-validation-expression-language#function-library-updates
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// and must track the functions here along with which Kubernetes version introduced them.
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knownFunctions := sets.New(
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// Kubernetes 1.24:
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"isSorted", "sum", "max", "min", "indexOf", "lastIndexOf", "find", "findAll", "url", "getScheme", "getHost", "getHostname",
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"getPort", "getEscapedPath", "getQuery", "isURL",
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// Kubernetes <1.27>:
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"path", "group", "serviceAccount", "resource", "subresource", "namespace", "name", "check", "allowed", "reason",
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// Kubernetes <1.28>:
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"errored", "error",
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// Kubernetes <1.29>:
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"add", "asApproximateFloat", "asInteger", "compareTo", "isGreaterThan", "isInteger", "isLessThan", "isQuantity", "quantity", "sign", "sub",
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// Kubernetes <1.30>:
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"ip", "family", "isUnspecified", "isLoopback", "isLinkLocalMulticast", "isLinkLocalUnicast", "isGlobalUnicast", "ip.isCanonical", "isIP", "cidr", "containsIP", "containsCIDR", "masked", "prefixLength", "isCIDR", "string",
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// Kubernetes <1.31>:
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"fieldSelector", "labelSelector", "validate", "format.named",
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// Kubernetes <1.??>:
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)
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// TODO: test celgo function lists
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unexpected := functionNames.Difference(knownFunctions)
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missing := knownFunctions.Difference(functionNames)
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if len(unexpected) != 0 {
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t.Errorf("Expected all functions in the libraries to be assigned to a kubernetes release, but found the unexpected function names: %v", unexpected)
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}
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if len(missing) != 0 {
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t.Errorf("Expected all functions in the libraries to be assigned to a kubernetes release, but found the missing function names: %v", missing)
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}
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}
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