cri-o/vendor/k8s.io/kubernetes/pkg/api/meta/restmapper_test.go
Mrunal Patel 8e5b17cf13 Switch to github.com/golang/dep for vendoring
Signed-off-by: Mrunal Patel <mrunalp@gmail.com>
2017-01-31 16:45:59 -08:00

751 lines
30 KiB
Go

/*
Copyright 2014 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 meta
import (
"errors"
"reflect"
"strings"
"testing"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/runtime/schema"
)
type fakeConvertor struct{}
func (fakeConvertor) Convert(in, out, context interface{}) error {
return nil
}
func (fakeConvertor) ConvertToVersion(in runtime.Object, _ runtime.GroupVersioner) (runtime.Object, error) {
return in, nil
}
func (fakeConvertor) ConvertFieldLabel(version, kind, label, value string) (string, string, error) {
return label, value, nil
}
var validAccessor = resourceAccessor{}
var validConvertor = fakeConvertor{}
func fakeInterfaces(version schema.GroupVersion) (*VersionInterfaces, error) {
return &VersionInterfaces{ObjectConvertor: validConvertor, MetadataAccessor: validAccessor}, nil
}
var unmatchedErr = errors.New("no version")
func unmatchedVersionInterfaces(version schema.GroupVersion) (*VersionInterfaces, error) {
return nil, unmatchedErr
}
func TestRESTMapperVersionAndKindForResource(t *testing.T) {
testGroup := "test.group"
testVersion := "test"
testGroupVersion := schema.GroupVersion{Group: testGroup, Version: testVersion}
testCases := []struct {
Resource schema.GroupVersionResource
GroupVersionToRegister schema.GroupVersion
ExpectedGVK schema.GroupVersionKind
Err bool
}{
{Resource: schema.GroupVersionResource{Resource: "internalobjec"}, Err: true},
{Resource: schema.GroupVersionResource{Resource: "internalObjec"}, Err: true},
{Resource: schema.GroupVersionResource{Resource: "internalobject"}, ExpectedGVK: testGroupVersion.WithKind("InternalObject")},
{Resource: schema.GroupVersionResource{Resource: "internalobjects"}, ExpectedGVK: testGroupVersion.WithKind("InternalObject")},
}
for i, testCase := range testCases {
mapper := NewDefaultRESTMapper([]schema.GroupVersion{testGroupVersion}, fakeInterfaces)
if len(testCase.ExpectedGVK.Kind) != 0 {
mapper.Add(testCase.ExpectedGVK, RESTScopeNamespace)
}
actualGVK, err := mapper.KindFor(testCase.Resource)
hasErr := err != nil
if hasErr != testCase.Err {
t.Errorf("%d: unexpected error behavior %t: %v", i, testCase.Err, err)
continue
}
if err != nil {
continue
}
if actualGVK != testCase.ExpectedGVK {
t.Errorf("%d: unexpected version and kind: e=%s a=%s", i, testCase.ExpectedGVK, actualGVK)
}
}
}
func TestRESTMapperGroupForResource(t *testing.T) {
testCases := []struct {
Resource schema.GroupVersionResource
GroupVersionKind schema.GroupVersionKind
Err bool
}{
{Resource: schema.GroupVersionResource{Resource: "myObject"}, GroupVersionKind: schema.GroupVersionKind{Group: "testapi", Version: "test", Kind: "MyObject"}},
{Resource: schema.GroupVersionResource{Resource: "myobject"}, GroupVersionKind: schema.GroupVersionKind{Group: "testapi2", Version: "test", Kind: "MyObject"}},
{Resource: schema.GroupVersionResource{Resource: "myObje"}, Err: true, GroupVersionKind: schema.GroupVersionKind{Group: "testapi", Version: "test", Kind: "MyObject"}},
{Resource: schema.GroupVersionResource{Resource: "myobje"}, Err: true, GroupVersionKind: schema.GroupVersionKind{Group: "testapi", Version: "test", Kind: "MyObject"}},
}
for i, testCase := range testCases {
mapper := NewDefaultRESTMapper([]schema.GroupVersion{testCase.GroupVersionKind.GroupVersion()}, fakeInterfaces)
mapper.Add(testCase.GroupVersionKind, RESTScopeNamespace)
actualGVK, err := mapper.KindFor(testCase.Resource)
if testCase.Err {
if err == nil {
t.Errorf("%d: expected error", i)
}
} else if err != nil {
t.Errorf("%d: unexpected error: %v", i, err)
} else if actualGVK != testCase.GroupVersionKind {
t.Errorf("%d: expected group %q, got %q", i, testCase.GroupVersionKind, actualGVK)
}
}
}
func TestRESTMapperKindsFor(t *testing.T) {
testCases := []struct {
Name string
PreferredOrder []schema.GroupVersion
KindsToRegister []schema.GroupVersionKind
PartialResourceToRequest schema.GroupVersionResource
ExpectedKinds []schema.GroupVersionKind
ExpectedKindErr string
}{
{
// exact matches are prefered
Name: "groups, with group exact",
PreferredOrder: []schema.GroupVersion{
{Group: "first-group-1", Version: "first-version"},
{Group: "first-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group-1", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
},
PartialResourceToRequest: schema.GroupVersionResource{Group: "first-group", Resource: "my-kind"},
ExpectedKinds: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
},
},
{
// group prefixes work
Name: "groups, with group prefix",
PreferredOrder: []schema.GroupVersion{
{Group: "second-group", Version: "first-version"},
{Group: "first-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
{Group: "second-group", Version: "first-version", Kind: "my-kind"},
},
PartialResourceToRequest: schema.GroupVersionResource{Group: "first", Resource: "my-kind"},
ExpectedKinds: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
},
},
{
// group prefixes can be ambiguous
Name: "groups, with ambiguous group prefix",
PreferredOrder: []schema.GroupVersion{
{Group: "first-group-1", Version: "first-version"},
{Group: "first-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group-1", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
},
PartialResourceToRequest: schema.GroupVersionResource{Group: "first", Resource: "my-kind"},
ExpectedKinds: []schema.GroupVersionKind{
{Group: "first-group-1", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
},
ExpectedKindErr: " matches multiple kinds ",
},
{
Name: "ambiguous groups, with preference order",
PreferredOrder: []schema.GroupVersion{
{Group: "second-group", Version: "first-version"},
{Group: "first-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "your-kind"},
{Group: "second-group", Version: "first-version", Kind: "my-kind"},
{Group: "second-group", Version: "first-version", Kind: "your-kind"},
},
PartialResourceToRequest: schema.GroupVersionResource{Resource: "my-kinds"},
ExpectedKinds: []schema.GroupVersionKind{
{Group: "second-group", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
},
ExpectedKindErr: " matches multiple kinds ",
},
{
Name: "ambiguous groups, with explicit group match",
PreferredOrder: []schema.GroupVersion{
{Group: "second-group", Version: "first-version"},
{Group: "first-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "your-kind"},
{Group: "second-group", Version: "first-version", Kind: "my-kind"},
{Group: "second-group", Version: "first-version", Kind: "your-kind"},
},
PartialResourceToRequest: schema.GroupVersionResource{Group: "first-group", Resource: "my-kinds"},
ExpectedKinds: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
},
},
{
Name: "ambiguous groups, with ambiguous version match",
PreferredOrder: []schema.GroupVersion{
{Group: "first-group", Version: "first-version"},
{Group: "second-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "your-kind"},
{Group: "second-group", Version: "first-version", Kind: "my-kind"},
{Group: "second-group", Version: "first-version", Kind: "your-kind"},
},
PartialResourceToRequest: schema.GroupVersionResource{Version: "first-version", Resource: "my-kinds"},
ExpectedKinds: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
{Group: "second-group", Version: "first-version", Kind: "my-kind"},
},
ExpectedKindErr: " matches multiple kinds ",
},
}
for _, testCase := range testCases {
tcName := testCase.Name
mapper := NewDefaultRESTMapper(testCase.PreferredOrder, fakeInterfaces)
for _, kind := range testCase.KindsToRegister {
mapper.Add(kind, RESTScopeNamespace)
}
actualKinds, err := mapper.KindsFor(testCase.PartialResourceToRequest)
if err != nil {
t.Errorf("%s: unexpected error: %v", tcName, err)
continue
}
if !reflect.DeepEqual(testCase.ExpectedKinds, actualKinds) {
t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedKinds, actualKinds)
}
singleKind, err := mapper.KindFor(testCase.PartialResourceToRequest)
if err == nil && len(testCase.ExpectedKindErr) != 0 {
t.Errorf("%s: expected error: %v", tcName, testCase.ExpectedKindErr)
continue
}
if err != nil {
if len(testCase.ExpectedKindErr) == 0 {
t.Errorf("%s: unexpected error: %v", tcName, err)
continue
} else {
if !strings.Contains(err.Error(), testCase.ExpectedKindErr) {
t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedKindErr, err)
continue
}
}
} else {
if testCase.ExpectedKinds[0] != singleKind {
t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedKinds[0], singleKind)
}
}
}
}
func TestRESTMapperResourcesFor(t *testing.T) {
testCases := []struct {
Name string
PreferredOrder []schema.GroupVersion
KindsToRegister []schema.GroupVersionKind
PluralPartialResourceToRequest schema.GroupVersionResource
SingularPartialResourceToRequest schema.GroupVersionResource
ExpectedResources []schema.GroupVersionResource
ExpectedResourceErr string
}{
{
// exact matches are prefered
Name: "groups, with group exact",
PreferredOrder: []schema.GroupVersion{
{Group: "first-group-1", Version: "first-version"},
{Group: "first-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group-1", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
},
PluralPartialResourceToRequest: schema.GroupVersionResource{Group: "first-group", Resource: "my-kinds"},
SingularPartialResourceToRequest: schema.GroupVersionResource{Group: "first-group", Resource: "my-kind"},
ExpectedResources: []schema.GroupVersionResource{
{Group: "first-group", Version: "first-version", Resource: "my-kinds"},
},
},
{
// group prefixes work
Name: "groups, with group prefix",
PreferredOrder: []schema.GroupVersion{
{Group: "second-group", Version: "first-version"},
{Group: "first-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
{Group: "second-group", Version: "first-version", Kind: "my-kind"},
},
PluralPartialResourceToRequest: schema.GroupVersionResource{Group: "first", Resource: "my-kinds"},
SingularPartialResourceToRequest: schema.GroupVersionResource{Group: "first", Resource: "my-kind"},
ExpectedResources: []schema.GroupVersionResource{
{Group: "first-group", Version: "first-version", Resource: "my-kinds"},
},
},
{
// group prefixes can be ambiguous
Name: "groups, with ambiguous group prefix",
PreferredOrder: []schema.GroupVersion{
{Group: "first-group-1", Version: "first-version"},
{Group: "first-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group-1", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
},
PluralPartialResourceToRequest: schema.GroupVersionResource{Group: "first", Resource: "my-kinds"},
SingularPartialResourceToRequest: schema.GroupVersionResource{Group: "first", Resource: "my-kind"},
ExpectedResources: []schema.GroupVersionResource{
{Group: "first-group-1", Version: "first-version", Resource: "my-kinds"},
{Group: "first-group", Version: "first-version", Resource: "my-kinds"},
},
ExpectedResourceErr: " matches multiple resources ",
},
{
Name: "ambiguous groups, with preference order",
PreferredOrder: []schema.GroupVersion{
{Group: "second-group", Version: "first-version"},
{Group: "first-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "your-kind"},
{Group: "second-group", Version: "first-version", Kind: "my-kind"},
{Group: "second-group", Version: "first-version", Kind: "your-kind"},
},
PluralPartialResourceToRequest: schema.GroupVersionResource{Resource: "my-kinds"},
SingularPartialResourceToRequest: schema.GroupVersionResource{Resource: "my-kind"},
ExpectedResources: []schema.GroupVersionResource{
{Group: "second-group", Version: "first-version", Resource: "my-kinds"},
{Group: "first-group", Version: "first-version", Resource: "my-kinds"},
},
ExpectedResourceErr: " matches multiple resources ",
},
{
Name: "ambiguous groups, with explicit group match",
PreferredOrder: []schema.GroupVersion{
{Group: "second-group", Version: "first-version"},
{Group: "first-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "your-kind"},
{Group: "second-group", Version: "first-version", Kind: "my-kind"},
{Group: "second-group", Version: "first-version", Kind: "your-kind"},
},
PluralPartialResourceToRequest: schema.GroupVersionResource{Group: "first-group", Resource: "my-kinds"},
SingularPartialResourceToRequest: schema.GroupVersionResource{Group: "first-group", Resource: "my-kind"},
ExpectedResources: []schema.GroupVersionResource{
{Group: "first-group", Version: "first-version", Resource: "my-kinds"},
},
},
{
Name: "ambiguous groups, with ambiguous version match",
PreferredOrder: []schema.GroupVersion{
{Group: "first-group", Version: "first-version"},
{Group: "second-group", Version: "first-version"},
},
KindsToRegister: []schema.GroupVersionKind{
{Group: "first-group", Version: "first-version", Kind: "my-kind"},
{Group: "first-group", Version: "first-version", Kind: "your-kind"},
{Group: "second-group", Version: "first-version", Kind: "my-kind"},
{Group: "second-group", Version: "first-version", Kind: "your-kind"},
},
PluralPartialResourceToRequest: schema.GroupVersionResource{Version: "first-version", Resource: "my-kinds"},
SingularPartialResourceToRequest: schema.GroupVersionResource{Version: "first-version", Resource: "my-kind"},
ExpectedResources: []schema.GroupVersionResource{
{Group: "first-group", Version: "first-version", Resource: "my-kinds"},
{Group: "second-group", Version: "first-version", Resource: "my-kinds"},
},
ExpectedResourceErr: " matches multiple resources ",
},
}
for _, testCase := range testCases {
tcName := testCase.Name
for _, partialResource := range []schema.GroupVersionResource{testCase.PluralPartialResourceToRequest, testCase.SingularPartialResourceToRequest} {
mapper := NewDefaultRESTMapper(testCase.PreferredOrder, fakeInterfaces)
for _, kind := range testCase.KindsToRegister {
mapper.Add(kind, RESTScopeNamespace)
}
actualResources, err := mapper.ResourcesFor(partialResource)
if err != nil {
t.Errorf("%s: unexpected error: %v", tcName, err)
continue
}
if !reflect.DeepEqual(testCase.ExpectedResources, actualResources) {
t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedResources, actualResources)
}
singleResource, err := mapper.ResourceFor(partialResource)
if err == nil && len(testCase.ExpectedResourceErr) != 0 {
t.Errorf("%s: expected error: %v", tcName, testCase.ExpectedResourceErr)
continue
}
if err != nil {
if len(testCase.ExpectedResourceErr) == 0 {
t.Errorf("%s: unexpected error: %v", tcName, err)
continue
} else {
if !strings.Contains(err.Error(), testCase.ExpectedResourceErr) {
t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedResourceErr, err)
continue
}
}
} else {
if testCase.ExpectedResources[0] != singleResource {
t.Errorf("%s: expected %v, got %v", tcName, testCase.ExpectedResources[0], singleResource)
}
}
}
}
}
func TestKindToResource(t *testing.T) {
testCases := []struct {
Kind string
Plural, Singular string
}{
{Kind: "Pod", Plural: "pods", Singular: "pod"},
{Kind: "ReplicationController", Plural: "replicationcontrollers", Singular: "replicationcontroller"},
// Add "ies" when ending with "y"
{Kind: "ImageRepository", Plural: "imagerepositories", Singular: "imagerepository"},
// Add "es" when ending with "s"
{Kind: "miss", Plural: "misses", Singular: "miss"},
// Add "s" otherwise
{Kind: "lowercase", Plural: "lowercases", Singular: "lowercase"},
}
for i, testCase := range testCases {
version := schema.GroupVersion{}
plural, singular := KindToResource(version.WithKind(testCase.Kind))
if singular != version.WithResource(testCase.Singular) || plural != version.WithResource(testCase.Plural) {
t.Errorf("%d: unexpected plural and singular: %v %v", i, plural, singular)
}
}
}
func TestRESTMapperResourceSingularizer(t *testing.T) {
testGroupVersion := schema.GroupVersion{Group: "tgroup", Version: "test"}
testCases := []struct {
Kind string
Plural string
Singular string
}{
{Kind: "Pod", Plural: "pods", Singular: "pod"},
{Kind: "ReplicationController", Plural: "replicationcontrollers", Singular: "replicationcontroller"},
{Kind: "ImageRepository", Plural: "imagerepositories", Singular: "imagerepository"},
{Kind: "Status", Plural: "statuses", Singular: "status"},
{Kind: "lowercase", Plural: "lowercases", Singular: "lowercase"},
// TODO this test is broken. This updates to reflect actual behavior. Kinds are expected to be singular
// old (incorrect), coment: Don't add extra s if the original object is already plural
{Kind: "lowercases", Plural: "lowercaseses", Singular: "lowercases"},
}
for i, testCase := range testCases {
mapper := NewDefaultRESTMapper([]schema.GroupVersion{testGroupVersion}, fakeInterfaces)
// create singular/plural mapping
mapper.Add(testGroupVersion.WithKind(testCase.Kind), RESTScopeNamespace)
singular, err := mapper.ResourceSingularizer(testCase.Plural)
if err != nil {
t.Errorf("%d: unexpected error: %v", i, err)
}
if singular != testCase.Singular {
t.Errorf("%d: mismatched singular: got %v, expected %v", i, singular, testCase.Singular)
}
}
}
func TestRESTMapperRESTMapping(t *testing.T) {
testGroup := "tgroup"
testGroupVersion := schema.GroupVersion{Group: testGroup, Version: "test"}
internalGroupVersion := schema.GroupVersion{Group: testGroup, Version: "test"}
testCases := []struct {
Kind string
APIGroupVersions []schema.GroupVersion
DefaultVersions []schema.GroupVersion
Resource string
ExpectedGroupVersion *schema.GroupVersion
Err bool
}{
{Kind: "Unknown", Err: true},
{Kind: "InternalObject", Err: true},
{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "Unknown", Err: true},
{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []schema.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},
{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []schema.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},
{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []schema.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},
{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []schema.GroupVersion{}, Resource: "internalobjects", ExpectedGroupVersion: &schema.GroupVersion{Group: testGroup, Version: "test"}},
{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []schema.GroupVersion{{Group: testGroup, Version: "test"}}, Resource: "internalobjects"},
// TODO: add test for a resource that exists in one version but not another
}
for i, testCase := range testCases {
mapper := NewDefaultRESTMapper(testCase.DefaultVersions, fakeInterfaces)
mapper.Add(internalGroupVersion.WithKind("InternalObject"), RESTScopeNamespace)
preferredVersions := []string{}
for _, gv := range testCase.APIGroupVersions {
preferredVersions = append(preferredVersions, gv.Version)
}
gk := schema.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 := schema.GroupVersion{Group: "tgroup", Version: "test1"}
expectedGroupVersion2 := schema.GroupVersion{Group: "tgroup", Version: "test2"}
expectedGroupVersion3 := schema.GroupVersion{Group: "tgroup", Version: "test3"}
internalObjectGK := schema.GroupKind{Group: "tgroup", Kind: "InternalObject"}
otherObjectGK := schema.GroupKind{Group: "tgroup", Kind: "OtherObject"}
mapper := NewDefaultRESTMapper([]schema.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 TestRESTMapperRESTMappings(t *testing.T) {
testGroup := "tgroup"
testGroupVersion := schema.GroupVersion{Group: testGroup, Version: "v1"}
testCases := []struct {
Kind string
APIGroupVersions []schema.GroupVersion
DefaultVersions []schema.GroupVersion
AddGroupVersionKind []schema.GroupVersionKind
ExpectedRESTMappings []*RESTMapping
Err bool
}{
{Kind: "Unknown", Err: true},
{Kind: "InternalObject", Err: true},
{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "Unknown", Err: true},
// ask for specific version - not available - thus error
{DefaultVersions: []schema.GroupVersion{testGroupVersion}, Kind: "InternalObject", APIGroupVersions: []schema.GroupVersion{{Group: testGroup, Version: "v2"}}, Err: true},
// ask for specific version - available - check ExpectedRESTMappings
{
DefaultVersions: []schema.GroupVersion{testGroupVersion},
Kind: "InternalObject",
APIGroupVersions: []schema.GroupVersion{{Group: testGroup, Version: "v2"}},
AddGroupVersionKind: []schema.GroupVersionKind{schema.GroupVersion{Group: testGroup, Version: "v2"}.WithKind("InternalObject")},
ExpectedRESTMappings: []*RESTMapping{{Resource: "internalobjects", GroupVersionKind: schema.GroupVersionKind{Group: testGroup, Version: "v2", Kind: "InternalObject"}}},
},
// ask for specific versions - only one available - check ExpectedRESTMappings
{
DefaultVersions: []schema.GroupVersion{testGroupVersion},
Kind: "InternalObject",
APIGroupVersions: []schema.GroupVersion{{Group: testGroup, Version: "v3"}, {Group: testGroup, Version: "v2"}},
AddGroupVersionKind: []schema.GroupVersionKind{schema.GroupVersion{Group: testGroup, Version: "v2"}.WithKind("InternalObject")},
ExpectedRESTMappings: []*RESTMapping{{Resource: "internalobjects", GroupVersionKind: schema.GroupVersionKind{Group: testGroup, Version: "v2", Kind: "InternalObject"}}},
},
// do not ask for specific version - search through default versions - check ExpectedRESTMappings
{
DefaultVersions: []schema.GroupVersion{testGroupVersion, {Group: testGroup, Version: "v2"}},
Kind: "InternalObject",
AddGroupVersionKind: []schema.GroupVersionKind{schema.GroupVersion{Group: testGroup, Version: "v1"}.WithKind("InternalObject"), schema.GroupVersion{Group: testGroup, Version: "v2"}.WithKind("InternalObject")},
ExpectedRESTMappings: []*RESTMapping{{Resource: "internalobjects", GroupVersionKind: schema.GroupVersionKind{Group: testGroup, Version: "v1", Kind: "InternalObject"}}, {Resource: "internalobjects", GroupVersionKind: schema.GroupVersionKind{Group: testGroup, Version: "v2", Kind: "InternalObject"}}},
},
}
for i, testCase := range testCases {
mapper := NewDefaultRESTMapper(testCase.DefaultVersions, fakeInterfaces)
for _, gvk := range testCase.AddGroupVersionKind {
mapper.Add(gvk, RESTScopeNamespace)
}
preferredVersions := []string{}
for _, gv := range testCase.APIGroupVersions {
preferredVersions = append(preferredVersions, gv.Version)
}
gk := schema.GroupKind{Group: testGroup, Kind: testCase.Kind}
mappings, err := mapper.RESTMappings(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 len(mappings) != len(testCase.ExpectedRESTMappings) {
t.Errorf("%d: unexpected number = %d of rest mappings was returned, expected = %d", i, len(mappings), len(testCase.ExpectedRESTMappings))
}
for j, mapping := range mappings {
exp := testCase.ExpectedRESTMappings[j]
if mapping.Resource != exp.Resource {
t.Errorf("%d - %d: unexpected resource: %#v", i, j, mapping)
}
if mapping.MetadataAccessor == nil || mapping.ObjectConvertor == nil {
t.Errorf("%d - %d: missing codec and accessor: %#v", i, j, mapping)
}
if mapping.GroupVersionKind != exp.GroupVersionKind {
t.Errorf("%d - %d: unexpected GroupVersionKind: %#v", i, j, mapping)
}
}
}
}
func TestRESTMapperReportsErrorOnBadVersion(t *testing.T) {
expectedGroupVersion1 := schema.GroupVersion{Group: "tgroup", Version: "test1"}
expectedGroupVersion2 := schema.GroupVersion{Group: "tgroup", Version: "test2"}
internalObjectGK := schema.GroupKind{Group: "tgroup", Kind: "InternalObject"}
mapper := NewDefaultRESTMapper([]schema.GroupVersion{expectedGroupVersion1, expectedGroupVersion2}, unmatchedVersionInterfaces)
mapper.Add(expectedGroupVersion1.WithKind("InternalObject"), RESTScopeNamespace)
_, err := mapper.RESTMapping(internalObjectGK, expectedGroupVersion1.Version)
if err == nil {
t.Errorf("unexpected non-error")
}
}