func (o objects) Kind(kind unversioned.GroupVersionKind, name string) (runtime.Object, error) {
kind.Version = runtime.APIVersionInternal
empty, _ := o.scheme.New(kind)
nilValue := reflect.Zero(reflect.TypeOf(empty)).Interface().(runtime.Object)
arr, ok := o.types[kind.Kind]
if !ok {
if strings.HasSuffix(kind.Kind, "List") {
itemKind := kind.Kind[:len(kind.Kind)-4]
arr, ok := o.types[itemKind]
if !ok {
return empty, nil
}
out, err := o.scheme.New(kind)
if err != nil {
return nilValue, err
}
if err := meta.SetList(out, arr); err != nil {
return nilValue, err
}
if out, err = o.scheme.Copy(out); err != nil {
return nilValue, err
}
return out, nil
}
return nilValue, errors.NewNotFound(unversioned.GroupResource{Group: kind.Group, Resource: kind.Kind}, name)
}
index := o.last[kind.Kind]
if index >= len(arr) {
index = len(arr) - 1
}
if index < 0 {
return nilValue, errors.NewNotFound(unversioned.GroupResource{Group: kind.Group, Resource: kind.Kind}, name)
}
out, err := o.scheme.Copy(arr[index])
if err != nil {
return nilValue, err
}
o.last[kind.Kind] = index + 1
if status, ok := out.(*unversioned.Status); ok {
if status.Details != nil {
status.Details.Kind = kind.Kind
}
if status.Status != unversioned.StatusSuccess {
return nilValue, &errors.StatusError{ErrStatus: *status}
}
}
return out, nil
}
func TestSetListToRuntimeObjectArray(t *testing.T) {
pl := &api.List{}
list := []runtime.Object{
&api.Pod{ObjectMeta: api.ObjectMeta{Name: "1"}},
&api.Pod{ObjectMeta: api.ObjectMeta{Name: "2"}},
&api.Pod{ObjectMeta: api.ObjectMeta{Name: "3"}},
}
err := meta.SetList(pl, list)
if err != nil {
t.Fatalf("Unexpected error %v", err)
}
if e, a := len(list), len(pl.Items); e != a {
t.Fatalf("Expected %v, got %v", e, a)
}
for i := range list {
if e, a := list[i], pl.Items[i]; e != a {
t.Fatalf("%d: unmatched: %s", i, util.ObjectDiff(e, a))
}
}
}
func TestSetList(t *testing.T) {
pl := &api.PodList{}
list := []runtime.Object{
&api.Pod{ObjectMeta: api.ObjectMeta{Name: "1"}},
&api.Pod{ObjectMeta: api.ObjectMeta{Name: "2"}},
&api.Pod{ObjectMeta: api.ObjectMeta{Name: "3"}},
}
err := meta.SetList(pl, list)
if err != nil {
t.Fatalf("Unexpected error %v", err)
}
if e, a := len(list), len(pl.Items); e != a {
t.Fatalf("Expected %v, got %v", e, a)
}
for i := range list {
if e, a := list[i].(*api.Pod).Name, pl.Items[i].Name; e != a {
t.Fatalf("Expected %v, got %v", e, a)
}
}
}
func TestSetExtractListRoundTrip(t *testing.T) {
fuzzer := fuzz.New().NilChance(0).NumElements(1, 5)
for i := 0; i < 5; i++ {
start := &api.PodList{}
fuzzer.Fuzz(&start.Items)
list, err := meta.ExtractList(start)
if err != nil {
t.Errorf("Unexpected error %v", err)
continue
}
got := &api.PodList{}
err = meta.SetList(got, list)
if err != nil {
t.Errorf("Unexpected error %v", err)
continue
}
if e, a := start, got; !reflect.DeepEqual(e, a) {
t.Fatalf("Expected %#v, got %#v", e, a)
}
}
}
func TestArrayOfRuntimeObject(t *testing.T) {
internalGV := unversioned.GroupVersion{Group: "test.group", Version: runtime.APIVersionInternal}
externalGV := unversioned.GroupVersion{Group: "test.group", Version: "v1test"}
s := runtime.NewScheme()
s.AddKnownTypes(internalGV, &EmbeddedTest{})
s.AddKnownTypeWithName(externalGV.WithKind("EmbeddedTest"), &EmbeddedTestExternal{})
s.AddKnownTypes(internalGV, &ObjectTest{})
s.AddKnownTypeWithName(externalGV.WithKind("ObjectTest"), &ObjectTestExternal{})
codec := serializer.NewCodecFactory(s).LegacyCodec(externalGV)
innerItems := []runtime.Object{
&EmbeddedTest{ID: "baz"},
}
items := []runtime.Object{
&EmbeddedTest{ID: "foo"},
&EmbeddedTest{ID: "bar"},
// TODO: until YAML is removed, this JSON must be in ascending key order to ensure consistent roundtrip serialization
&runtime.Unknown{RawJSON: []byte(`{"apiVersion":"unknown.group/unknown","foo":"bar","kind":"OtherTest"}`)},
&ObjectTest{
Items: runtime.NewEncodableList(codec, innerItems),
},
}
internal := &ObjectTest{
Items: runtime.NewEncodableList(codec, items),
}
wire, err := runtime.Encode(codec, internal)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
t.Logf("Wire format is:\n%s\n", string(wire))
obj := &ObjectTestExternal{}
if err := json.Unmarshal(wire, obj); err != nil {
t.Fatalf("unexpected error: %v", err)
}
t.Logf("exact wire is: %s", string(obj.Items[0].RawJSON))
items[3] = &ObjectTest{Items: innerItems}
internal.Items = items
decoded, err := runtime.Decode(codec, wire)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
list, err := meta.ExtractList(decoded)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if errs := runtime.DecodeList(list, codec); len(errs) > 0 {
t.Fatalf("unexpected error: %v", errs)
}
list2, err := meta.ExtractList(list[3])
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if errs := runtime.DecodeList(list2, codec); len(errs) > 0 {
t.Fatalf("unexpected error: %v", errs)
}
if err := meta.SetList(list[3], list2); err != nil {
t.Fatalf("unexpected error: %v", err)
}
// we want DecodeList to set type meta if possible, even on runtime.Unknown objects
internal.Items[2].(*runtime.Unknown).TypeMeta = runtime.TypeMeta{Kind: "OtherTest", APIVersion: "unknown.group/unknown"}
if e, a := internal.Items, list; !reflect.DeepEqual(e, a) {
t.Errorf("mismatched decoded: %s", util.ObjectGoPrintSideBySide(e, a))
}
}
