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	Finding out if a Group-version-kind is a CRD is useful, since we want to detect dry-run ability differently for CRDs.
		
			
				
	
	
		
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			2.3 KiB
		
	
	
	
		
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			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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