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a0460a5238
Finding out if a Group-version-kind is a CRD is useful, since we want to detect dry-run ability differently for CRDs.
90 lines
2.3 KiB
Go
90 lines
2.3 KiB
Go
/*
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Copyright 2018 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 util_test
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import (
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"errors"
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"testing"
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"k8s.io/apimachinery/pkg/runtime/schema"
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"k8s.io/kubernetes/pkg/kubectl/cmd/util"
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)
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func TestCacheCRDFinder(t *testing.T) {
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called := 0
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getter := func() ([]schema.GroupKind, error) {
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called += 1
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return nil, nil
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}
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finder := util.NewCRDFinder(getter)
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if called != 0 {
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t.Fatalf("Creating the finder shouldn't call the getter, has called = %v", called)
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}
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_, err := finder.HasCRD(schema.GroupKind{Group: "", Kind: "Pod"})
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if err != nil {
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t.Fatalf("Failed to call HasCRD: %v", err)
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}
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if called != 1 {
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t.Fatalf("First call should call the getter, has called = %v", called)
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}
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_, err = finder.HasCRD(schema.GroupKind{Group: "", Kind: "Pod"})
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if err != nil {
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t.Fatalf("Failed to call HasCRD: %v", err)
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}
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if called != 1 {
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t.Fatalf("Second call should NOT call the getter, has called = %v", called)
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}
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}
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func TestCRDFinderErrors(t *testing.T) {
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getter := func() ([]schema.GroupKind, error) {
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return nil, errors.New("not working")
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}
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finder := util.NewCRDFinder(getter)
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found, err := finder.HasCRD(schema.GroupKind{Group: "", Kind: "Pod"})
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if found == true {
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t.Fatalf("Found the CRD with non-working getter function")
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}
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if err == nil {
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t.Fatalf("Error in getter should be reported")
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}
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}
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func TestCRDFinder(t *testing.T) {
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getter := func() ([]schema.GroupKind, error) {
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return []schema.GroupKind{
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{
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Group: "crd.com",
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Kind: "MyCRD",
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},
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{
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Group: "crd.com",
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Kind: "MyNewCRD",
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},
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}, nil
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}
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finder := util.NewCRDFinder(getter)
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if found, _ := finder.HasCRD(schema.GroupKind{Group: "crd.com", Kind: "MyCRD"}); !found {
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t.Fatalf("Failed to find CRD MyCRD")
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}
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if found, _ := finder.HasCRD(schema.GroupKind{Group: "crd.com", Kind: "Random"}); found {
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t.Fatalf("Found crd Random that doesn't exist")
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}
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}
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