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/*
Copyright 2018 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.
*/
package runtime
import (
"testing"
"reflect"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/diff"
)
func TestPreferredVersionsAllGroups(t *testing.T) {
tests := []struct {
name string
versionPriority map[string][]string
observedVersions []schema.GroupVersion
expectedPrioritized map[string][]schema.GroupVersion
expectedPreferred map[schema.GroupVersion]bool
}{
{
name: "observedOnly",
observedVersions: []schema.GroupVersion{
{Group: "", Version: "v3"},
{Group: "foo", Version: "v1"},
{Group: "foo", Version: "v2"},
{Group: "", Version: "v1"},
},
expectedPrioritized: map[string][]schema.GroupVersion{
"": {
{Group: "", Version: "v3"},
{Group: "", Version: "v1"},
},
"foo": {
{Group: "foo", Version: "v1"},
{Group: "foo", Version: "v2"},
},
},
expectedPreferred: map[schema.GroupVersion]bool{
{Group: "", Version: "v3"}: true,
{Group: "foo", Version: "v1"}: true,
},
},
{
name: "specifiedOnly",
versionPriority: map[string][]string{
"": {"v3", "v1"},
"foo": {"v1", "v2"},
},
expectedPrioritized: map[string][]schema.GroupVersion{
"": {
{Group: "", Version: "v3"},
{Group: "", Version: "v1"},
},
"foo": {
{Group: "foo", Version: "v1"},
{Group: "foo", Version: "v2"},
},
},
expectedPreferred: map[schema.GroupVersion]bool{
{Group: "", Version: "v3"}: true,
{Group: "foo", Version: "v1"}: true,
},
},
{
name: "both",
versionPriority: map[string][]string{
"": {"v3", "v1"},
"foo": {"v1", "v2"},
},
observedVersions: []schema.GroupVersion{
{Group: "", Version: "v1"},
{Group: "", Version: "v3"},
{Group: "", Version: "v4"},
{Group: "", Version: "v5"},
{Group: "bar", Version: "v1"},
{Group: "bar", Version: "v2"},
},
expectedPrioritized: map[string][]schema.GroupVersion{
"": {
{Group: "", Version: "v3"},
{Group: "", Version: "v1"},
{Group: "", Version: "v4"},
{Group: "", Version: "v5"},
},
"foo": {
{Group: "foo", Version: "v1"},
{Group: "foo", Version: "v2"},
},
"bar": {
{Group: "bar", Version: "v1"},
{Group: "bar", Version: "v2"},
},
},
expectedPreferred: map[schema.GroupVersion]bool{
{Group: "", Version: "v3"}: true,
{Group: "foo", Version: "v1"}: true,
{Group: "bar", Version: "v1"}: true,
},
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
scheme := NewScheme()
scheme.versionPriority = test.versionPriority
scheme.observedVersions = test.observedVersions
for group, expected := range test.expectedPrioritized {
actual := scheme.PrioritizedVersionsForGroup(group)
if !reflect.DeepEqual(expected, actual) {
t.Error(diff.ObjectDiff(expected, actual))
}
}
prioritizedAll := scheme.PrioritizedVersionsAllGroups()
actualPrioritizedAll := map[string][]schema.GroupVersion{}
for _, actual := range prioritizedAll {
actualPrioritizedAll[actual.Group] = append(actualPrioritizedAll[actual.Group], actual)
}
if !reflect.DeepEqual(test.expectedPrioritized, actualPrioritizedAll) {
t.Error(diff.ObjectDiff(test.expectedPrioritized, actualPrioritizedAll))
}
preferredAll := scheme.PreferredVersionAllGroups()
actualPreferredAll := map[schema.GroupVersion]bool{}
for _, actual := range preferredAll {
actualPreferredAll[actual] = true
}
if !reflect.DeepEqual(test.expectedPreferred, actualPreferredAll) {
t.Error(diff.ObjectDiff(test.expectedPreferred, actualPreferredAll))
}
})
}
}
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