mirror of
https://github.com/k3s-io/kubernetes.git
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551 lines
22 KiB
Go
551 lines
22 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors All rights reserved.
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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 meta
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import (
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"errors"
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"reflect"
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"strings"
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"testing"
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"k8s.io/kubernetes/pkg/api/unversioned"
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"k8s.io/kubernetes/pkg/runtime"
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)
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type fakeConvertor struct{}
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func (fakeConvertor) Convert(in, out interface{}) error {
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return nil
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}
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func (fakeConvertor) ConvertToVersion(in runtime.Object, _ string) (runtime.Object, error) {
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return in, nil
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}
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func (fakeConvertor) ConvertFieldLabel(version, kind, label, value string) (string, string, error) {
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return label, value, nil
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}
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var validAccessor = resourceAccessor{}
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var validConvertor = fakeConvertor{}
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func fakeInterfaces(version unversioned.GroupVersion) (*VersionInterfaces, error) {
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return &VersionInterfaces{ObjectConvertor: validConvertor, MetadataAccessor: validAccessor}, nil
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}
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var unmatchedErr = errors.New("no version")
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func unmatchedVersionInterfaces(version unversioned.GroupVersion) (*VersionInterfaces, error) {
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return nil, unmatchedErr
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}
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func TestRESTMapperVersionAndKindForResource(t *testing.T) {
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testGroup := "test.group"
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testVersion := "test"
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testGroupVersion := unversioned.GroupVersion{Group: testGroup, Version: testVersion}
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testCases := []struct {
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Resource unversioned.GroupVersionResource
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GroupVersionToRegister unversioned.GroupVersion
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ExpectedGVK unversioned.GroupVersionKind
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Err bool
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}{
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{Resource: unversioned.GroupVersionResource{Resource: "internalobjec"}, Err: true},
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{Resource: unversioned.GroupVersionResource{Resource: "internalObjec"}, Err: true},
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{Resource: unversioned.GroupVersionResource{Resource: "internalobject"}, ExpectedGVK: testGroupVersion.WithKind("InternalObject")},
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{Resource: unversioned.GroupVersionResource{Resource: "internalobjects"}, ExpectedGVK: testGroupVersion.WithKind("InternalObject")},
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}
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for i, testCase := range testCases {
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mapper := NewDefaultRESTMapper([]unversioned.GroupVersion{testGroupVersion}, fakeInterfaces)
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if len(testCase.ExpectedGVK.Kind) != 0 {
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mapper.Add(testCase.ExpectedGVK, RESTScopeNamespace)
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}
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actualGVK, err := mapper.KindFor(testCase.Resource)
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hasErr := err != nil
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if hasErr != testCase.Err {
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t.Errorf("%d: unexpected error behavior %t: %v", i, testCase.Err, err)
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continue
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}
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if err != nil {
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continue
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}
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if actualGVK != testCase.ExpectedGVK {
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t.Errorf("%d: unexpected version and kind: e=%s a=%s", i, testCase.ExpectedGVK, actualGVK)
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}
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}
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}
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func TestRESTMapperGroupForResource(t *testing.T) {
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testCases := []struct {
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Resource unversioned.GroupVersionResource
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GroupVersionKind unversioned.GroupVersionKind
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Err bool
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}{
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{Resource: unversioned.GroupVersionResource{Resource: "myObject"}, GroupVersionKind: unversioned.GroupVersionKind{Group: "testapi", Version: "test", Kind: "MyObject"}},
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{Resource: unversioned.GroupVersionResource{Resource: "myobject"}, GroupVersionKind: unversioned.GroupVersionKind{Group: "testapi2", Version: "test", Kind: "MyObject"}},
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{Resource: unversioned.GroupVersionResource{Resource: "myObje"}, Err: true, GroupVersionKind: unversioned.GroupVersionKind{Group: "testapi", Version: "test", Kind: "MyObject"}},
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{Resource: unversioned.GroupVersionResource{Resource: "myobje"}, Err: true, GroupVersionKind: unversioned.GroupVersionKind{Group: "testapi", Version: "test", Kind: "MyObject"}},
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}
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for i, testCase := range testCases {
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mapper := NewDefaultRESTMapper([]unversioned.GroupVersion{testCase.GroupVersionKind.GroupVersion()}, fakeInterfaces)
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mapper.Add(testCase.GroupVersionKind, RESTScopeNamespace)
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actualGVK, err := mapper.KindFor(testCase.Resource)
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if testCase.Err {
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if err == nil {
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t.Errorf("%d: expected error", i)
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}
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} else if err != nil {
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t.Errorf("%d: unexpected error: %v", i, err)
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} else if actualGVK != testCase.GroupVersionKind {
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t.Errorf("%d: expected group %q, got %q", i, testCase.GroupVersionKind, actualGVK)
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}
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}
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}
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func TestRESTMapperKindsFor(t *testing.T) {
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testCases := []struct {
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Name string
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PreferredOrder []unversioned.GroupVersion
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KindsToRegister []unversioned.GroupVersionKind
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PartialResourceToRequest unversioned.GroupVersionResource
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ExpectedKinds []unversioned.GroupVersionKind
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ExpectedKindErr string
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}{
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{
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Name: "ambiguous groups, with preference order",
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PreferredOrder: []unversioned.GroupVersion{
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{Group: "second-group", Version: "first-version"},
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{Group: "first-group", Version: "first-version"},
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},
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KindsToRegister: []unversioned.GroupVersionKind{
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{Group: "first-group", Version: "first-version", Kind: "my-kind"},
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{Group: "first-group", Version: "first-version", Kind: "your-kind"},
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{Group: "second-group", Version: "first-version", Kind: "my-kind"},
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{Group: "second-group", Version: "first-version", Kind: "your-kind"},
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},
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PartialResourceToRequest: unversioned.GroupVersionResource{Resource: "my-kinds"},
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ExpectedKinds: []unversioned.GroupVersionKind{
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{Group: "second-group", Version: "first-version", Kind: "my-kind"},
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{Group: "first-group", Version: "first-version", Kind: "my-kind"},
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},
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ExpectedKindErr: " matches multiple kinds ",
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},
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{
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Name: "ambiguous groups, with explicit group match",
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PreferredOrder: []unversioned.GroupVersion{
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{Group: "second-group", Version: "first-version"},
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{Group: "first-group", Version: "first-version"},
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},
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KindsToRegister: []unversioned.GroupVersionKind{
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{Group: "first-group", Version: "first-version", Kind: "my-kind"},
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{Group: "first-group", Version: "first-version", Kind: "your-kind"},
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{Group: "second-group", Version: "first-version", Kind: "my-kind"},
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{Group: "second-group", Version: "first-version", Kind: "your-kind"},
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},
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PartialResourceToRequest: unversioned.GroupVersionResource{Group: "first-group", Resource: "my-kinds"},
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ExpectedKinds: []unversioned.GroupVersionKind{
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{Group: "first-group", Version: "first-version", Kind: "my-kind"},
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},
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},
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{
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Name: "ambiguous groups, with ambiguous version match",
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PreferredOrder: []unversioned.GroupVersion{
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{Group: "first-group", Version: "first-version"},
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{Group: "second-group", Version: "first-version"},
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},
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KindsToRegister: []unversioned.GroupVersionKind{
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{Group: "first-group", Version: "first-version", Kind: "my-kind"},
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{Group: "first-group", Version: "first-version", Kind: "your-kind"},
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{Group: "second-group", Version: "first-version", Kind: "my-kind"},
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{Group: "second-group", Version: "first-version", Kind: "your-kind"},
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},
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PartialResourceToRequest: unversioned.GroupVersionResource{Version: "first-version", Resource: "my-kinds"},
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ExpectedKinds: []unversioned.GroupVersionKind{
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{Group: "first-group", Version: "first-version", Kind: "my-kind"},
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{Group: "second-group", Version: "first-version", Kind: "my-kind"},
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},
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ExpectedKindErr: " matches multiple kinds ",
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},
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}
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for _, testCase := range testCases {
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tcName := testCase.Name
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mapper := NewDefaultRESTMapper(testCase.PreferredOrder, fakeInterfaces)
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for _, kind := range testCase.KindsToRegister {
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mapper.Add(kind, RESTScopeNamespace)
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}
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actualKinds, err := mapper.KindsFor(testCase.PartialResourceToRequest)
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if err != nil {
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t.Errorf("%s: unexpected error: %v", tcName, err)
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continue
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}
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if !reflect.DeepEqual(testCase.ExpectedKinds, actualKinds) {
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t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedKinds, actualKinds)
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}
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singleKind, err := mapper.KindFor(testCase.PartialResourceToRequest)
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if err == nil && len(testCase.ExpectedKindErr) != 0 {
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t.Errorf("%s: expected error: %v", tcName, testCase.ExpectedKindErr)
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continue
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}
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if err != nil {
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if len(testCase.ExpectedKindErr) == 0 {
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t.Errorf("%s: unexpected error: %v", tcName, err)
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continue
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} else {
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if !strings.Contains(err.Error(), testCase.ExpectedKindErr) {
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t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedKindErr, err)
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continue
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}
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}
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} else {
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if testCase.ExpectedKinds[0] != singleKind {
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t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedKinds[0], singleKind)
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}
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}
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}
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}
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func TestRESTMapperResourcesFor(t *testing.T) {
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testCases := []struct {
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Name string
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PreferredOrder []unversioned.GroupVersion
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KindsToRegister []unversioned.GroupVersionKind
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PluralPartialResourceToRequest unversioned.GroupVersionResource
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SingularPartialResourceToRequest unversioned.GroupVersionResource
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ExpectedResources []unversioned.GroupVersionResource
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ExpectedResourceErr string
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}{
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{
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Name: "ambiguous groups, with preference order",
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PreferredOrder: []unversioned.GroupVersion{
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{Group: "second-group", Version: "first-version"},
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{Group: "first-group", Version: "first-version"},
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},
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KindsToRegister: []unversioned.GroupVersionKind{
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{Group: "first-group", Version: "first-version", Kind: "my-kind"},
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{Group: "first-group", Version: "first-version", Kind: "your-kind"},
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{Group: "second-group", Version: "first-version", Kind: "my-kind"},
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{Group: "second-group", Version: "first-version", Kind: "your-kind"},
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},
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PluralPartialResourceToRequest: unversioned.GroupVersionResource{Resource: "my-kinds"},
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SingularPartialResourceToRequest: unversioned.GroupVersionResource{Resource: "my-kind"},
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ExpectedResources: []unversioned.GroupVersionResource{
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{Group: "second-group", Version: "first-version", Resource: "my-kinds"},
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{Group: "first-group", Version: "first-version", Resource: "my-kinds"},
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},
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ExpectedResourceErr: " matches multiple resources ",
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},
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{
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Name: "ambiguous groups, with explicit group match",
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PreferredOrder: []unversioned.GroupVersion{
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{Group: "second-group", Version: "first-version"},
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{Group: "first-group", Version: "first-version"},
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},
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KindsToRegister: []unversioned.GroupVersionKind{
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{Group: "first-group", Version: "first-version", Kind: "my-kind"},
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{Group: "first-group", Version: "first-version", Kind: "your-kind"},
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{Group: "second-group", Version: "first-version", Kind: "my-kind"},
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{Group: "second-group", Version: "first-version", Kind: "your-kind"},
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},
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PluralPartialResourceToRequest: unversioned.GroupVersionResource{Group: "first-group", Resource: "my-kinds"},
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SingularPartialResourceToRequest: unversioned.GroupVersionResource{Group: "first-group", Resource: "my-kind"},
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ExpectedResources: []unversioned.GroupVersionResource{
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{Group: "first-group", Version: "first-version", Resource: "my-kinds"},
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},
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},
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{
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Name: "ambiguous groups, with ambiguous version match",
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PreferredOrder: []unversioned.GroupVersion{
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{Group: "first-group", Version: "first-version"},
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{Group: "second-group", Version: "first-version"},
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},
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KindsToRegister: []unversioned.GroupVersionKind{
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{Group: "first-group", Version: "first-version", Kind: "my-kind"},
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{Group: "first-group", Version: "first-version", Kind: "your-kind"},
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{Group: "second-group", Version: "first-version", Kind: "my-kind"},
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{Group: "second-group", Version: "first-version", Kind: "your-kind"},
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},
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PluralPartialResourceToRequest: unversioned.GroupVersionResource{Version: "first-version", Resource: "my-kinds"},
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SingularPartialResourceToRequest: unversioned.GroupVersionResource{Version: "first-version", Resource: "my-kind"},
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ExpectedResources: []unversioned.GroupVersionResource{
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{Group: "first-group", Version: "first-version", Resource: "my-kinds"},
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{Group: "second-group", Version: "first-version", Resource: "my-kinds"},
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},
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ExpectedResourceErr: " matches multiple resources ",
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},
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}
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for _, testCase := range testCases {
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tcName := testCase.Name
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for _, partialResource := range []unversioned.GroupVersionResource{testCase.PluralPartialResourceToRequest, testCase.SingularPartialResourceToRequest} {
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mapper := NewDefaultRESTMapper(testCase.PreferredOrder, fakeInterfaces)
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for _, kind := range testCase.KindsToRegister {
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mapper.Add(kind, RESTScopeNamespace)
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}
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actualResources, err := mapper.ResourcesFor(partialResource)
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if err != nil {
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t.Errorf("%s: unexpected error: %v", tcName, err)
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continue
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}
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if !reflect.DeepEqual(testCase.ExpectedResources, actualResources) {
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t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedResources, actualResources)
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}
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singleResource, err := mapper.ResourceFor(partialResource)
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if err == nil && len(testCase.ExpectedResourceErr) != 0 {
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t.Errorf("%s: expected error: %v", tcName, testCase.ExpectedResourceErr)
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continue
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}
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if err != nil {
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if len(testCase.ExpectedResourceErr) == 0 {
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t.Errorf("%s: unexpected error: %v", tcName, err)
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continue
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} else {
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if !strings.Contains(err.Error(), testCase.ExpectedResourceErr) {
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t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedResourceErr, err)
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continue
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}
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}
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} else {
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if testCase.ExpectedResources[0] != singleResource {
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t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedResources[0], singleResource)
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}
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}
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}
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}
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}
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func TestKindToResource(t *testing.T) {
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testCases := []struct {
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Kind string
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Plural, Singular string
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}{
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{Kind: "Pod", Plural: "pods", Singular: "pod"},
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{Kind: "ReplicationController", Plural: "replicationcontrollers", Singular: "replicationcontroller"},
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// Add "ies" when ending with "y"
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{Kind: "ImageRepository", Plural: "imagerepositories", Singular: "imagerepository"},
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// Add "es" when ending with "s"
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{Kind: "miss", Plural: "misses", Singular: "miss"},
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// Add "s" otherwise
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{Kind: "lowercase", Plural: "lowercases", Singular: "lowercase"},
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}
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for i, testCase := range testCases {
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version := unversioned.GroupVersion{}
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plural, singular := KindToResource(version.WithKind(testCase.Kind))
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if singular != version.WithResource(testCase.Singular) || plural != version.WithResource(testCase.Plural) {
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t.Errorf("%d: unexpected plural and singular: %v %v", i, plural, singular)
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}
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}
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}
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func TestRESTMapperResourceSingularizer(t *testing.T) {
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testGroupVersion := unversioned.GroupVersion{Group: "tgroup", Version: "test"}
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testCases := []struct {
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Kind string
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Plural string
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Singular string
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}{
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{Kind: "Pod", Plural: "pods", Singular: "pod"},
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{Kind: "ReplicationController", Plural: "replicationcontrollers", Singular: "replicationcontroller"},
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{Kind: "ImageRepository", Plural: "imagerepositories", Singular: "imagerepository"},
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{Kind: "Status", Plural: "statuses", Singular: "status"},
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{Kind: "lowercase", Plural: "lowercases", Singular: "lowercase"},
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// TODO this test is broken. This updates to reflect actual behavior. Kinds are expected to be singular
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// old (incorrect), coment: Don't add extra s if the original object is already plural
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{Kind: "lowercases", Plural: "lowercaseses", Singular: "lowercases"},
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}
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for i, testCase := range testCases {
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mapper := NewDefaultRESTMapper([]unversioned.GroupVersion{testGroupVersion}, fakeInterfaces)
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// create singular/plural mapping
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mapper.Add(testGroupVersion.WithKind(testCase.Kind), RESTScopeNamespace)
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singular, err := mapper.ResourceSingularizer(testCase.Plural)
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if err != nil {
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t.Errorf("%d: unexpected error: %v", i, err)
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}
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if singular != testCase.Singular {
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t.Errorf("%d: mismatched singular: got %v, expected %v", i, singular, testCase.Singular)
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}
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}
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}
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func TestRESTMapperRESTMapping(t *testing.T) {
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testGroup := "tgroup"
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testGroupVersion := unversioned.GroupVersion{Group: testGroup, Version: "test"}
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internalGroupVersion := unversioned.GroupVersion{Group: testGroup, Version: "test"}
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testCases := []struct {
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Kind string
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APIGroupVersions []unversioned.GroupVersion
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DefaultVersions []unversioned.GroupVersion
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Resource string
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ExpectedGroupVersion *unversioned.GroupVersion
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Err bool
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}{
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{Kind: "Unknown", Err: true},
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{Kind: "InternalObject", Err: true},
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{DefaultVersions: []unversioned.GroupVersion{testGroupVersion}, Kind: "Unknown", Err: true},
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{DefaultVersions: []unversioned.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []unversioned.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},
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{DefaultVersions: []unversioned.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []unversioned.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},
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{DefaultVersions: []unversioned.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []unversioned.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},
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{DefaultVersions: []unversioned.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []unversioned.GroupVersion{}, Resource: "internalobjects", ExpectedGroupVersion: &unversioned.GroupVersion{Group: testGroup, Version: "test"}},
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{DefaultVersions: []unversioned.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []unversioned.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},
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// TODO: add test for a resource that exists in one version but not another
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}
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for i, testCase := range testCases {
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mapper := NewDefaultRESTMapper(testCase.DefaultVersions, fakeInterfaces)
|
|
mapper.Add(internalGroupVersion.WithKind("InternalObject"), RESTScopeNamespace)
|
|
|
|
preferredVersions := []string{}
|
|
for _, gv := range testCase.APIGroupVersions {
|
|
preferredVersions = append(preferredVersions, gv.Version)
|
|
}
|
|
gk := unversioned.GroupKind{Group: testGroup, Kind: testCase.Kind}
|
|
|
|
mapping, err := mapper.RESTMapping(gk, preferredVersions...)
|
|
hasErr := err != nil
|
|
if hasErr != testCase.Err {
|
|
t.Errorf("%d: unexpected error behavior %t: %v", i, testCase.Err, err)
|
|
}
|
|
if hasErr {
|
|
continue
|
|
}
|
|
if mapping.Resource != testCase.Resource {
|
|
t.Errorf("%d: unexpected resource: %#v", i, mapping)
|
|
}
|
|
|
|
if mapping.MetadataAccessor == nil || mapping.ObjectConvertor == nil {
|
|
t.Errorf("%d: missing codec and accessor: %#v", i, mapping)
|
|
}
|
|
|
|
groupVersion := testCase.ExpectedGroupVersion
|
|
if groupVersion == nil {
|
|
groupVersion = &testCase.APIGroupVersions[0]
|
|
}
|
|
if mapping.GroupVersionKind.GroupVersion() != *groupVersion {
|
|
t.Errorf("%d: unexpected version: %#v", i, mapping)
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
func TestRESTMapperRESTMappingSelectsVersion(t *testing.T) {
|
|
expectedGroupVersion1 := unversioned.GroupVersion{Group: "tgroup", Version: "test1"}
|
|
expectedGroupVersion2 := unversioned.GroupVersion{Group: "tgroup", Version: "test2"}
|
|
expectedGroupVersion3 := unversioned.GroupVersion{Group: "tgroup", Version: "test3"}
|
|
internalObjectGK := unversioned.GroupKind{Group: "tgroup", Kind: "InternalObject"}
|
|
otherObjectGK := unversioned.GroupKind{Group: "tgroup", Kind: "OtherObject"}
|
|
|
|
mapper := NewDefaultRESTMapper([]unversioned.GroupVersion{expectedGroupVersion1, expectedGroupVersion2}, fakeInterfaces)
|
|
mapper.Add(expectedGroupVersion1.WithKind("InternalObject"), RESTScopeNamespace)
|
|
mapper.Add(expectedGroupVersion2.WithKind("OtherObject"), RESTScopeNamespace)
|
|
|
|
// pick default matching object kind based on search order
|
|
mapping, err := mapper.RESTMapping(otherObjectGK)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
if mapping.Resource != "otherobjects" || mapping.GroupVersionKind.GroupVersion() != expectedGroupVersion2 {
|
|
t.Errorf("unexpected mapping: %#v", mapping)
|
|
}
|
|
|
|
mapping, err = mapper.RESTMapping(internalObjectGK)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
if mapping.Resource != "internalobjects" || mapping.GroupVersionKind.GroupVersion() != expectedGroupVersion1 {
|
|
t.Errorf("unexpected mapping: %#v", mapping)
|
|
}
|
|
|
|
// mismatch of version
|
|
mapping, err = mapper.RESTMapping(internalObjectGK, expectedGroupVersion2.Version)
|
|
if err == nil {
|
|
t.Errorf("unexpected non-error")
|
|
}
|
|
mapping, err = mapper.RESTMapping(otherObjectGK, expectedGroupVersion1.Version)
|
|
if err == nil {
|
|
t.Errorf("unexpected non-error")
|
|
}
|
|
|
|
// not in the search versions
|
|
mapping, err = mapper.RESTMapping(otherObjectGK, expectedGroupVersion3.Version)
|
|
if err == nil {
|
|
t.Errorf("unexpected non-error")
|
|
}
|
|
|
|
// explicit search order
|
|
mapping, err = mapper.RESTMapping(otherObjectGK, expectedGroupVersion3.Version, expectedGroupVersion1.Version)
|
|
if err == nil {
|
|
t.Errorf("unexpected non-error")
|
|
}
|
|
|
|
mapping, err = mapper.RESTMapping(otherObjectGK, expectedGroupVersion3.Version, expectedGroupVersion2.Version)
|
|
if err != nil {
|
|
t.Fatalf("unexpected error: %v", err)
|
|
}
|
|
if mapping.Resource != "otherobjects" || mapping.GroupVersionKind.GroupVersion() != expectedGroupVersion2 {
|
|
t.Errorf("unexpected mapping: %#v", mapping)
|
|
}
|
|
}
|
|
|
|
func TestRESTMapperReportsErrorOnBadVersion(t *testing.T) {
|
|
expectedGroupVersion1 := unversioned.GroupVersion{Group: "tgroup", Version: "test1"}
|
|
expectedGroupVersion2 := unversioned.GroupVersion{Group: "tgroup", Version: "test2"}
|
|
internalObjectGK := unversioned.GroupKind{Group: "tgroup", Kind: "InternalObject"}
|
|
|
|
mapper := NewDefaultRESTMapper([]unversioned.GroupVersion{expectedGroupVersion1, expectedGroupVersion2}, unmatchedVersionInterfaces)
|
|
mapper.Add(expectedGroupVersion1.WithKind("InternalObject"), RESTScopeNamespace)
|
|
_, err := mapper.RESTMapping(internalObjectGK, expectedGroupVersion1.Version)
|
|
if err == nil {
|
|
t.Errorf("unexpected non-error")
|
|
}
|
|
}
|