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)
}
}
}
// serverPreferredResources returns the supported resources with the version preferred by the
// server. If namespaced is true, only namespaced resources will be returned.
func (d *DiscoveryClient) serverPreferredResources(namespaced bool) ([]schema.GroupVersionResource, error) {
// retry in case the groups supported by the server change after ServerGroup() returns.
const maxRetries = 2
var failedGroups map[schema.GroupVersion]error
var results []schema.GroupVersionResource
var resources map[schema.GroupResource]string
RetrieveGroups:
for i := 0; i < maxRetries; i++ {
results = []schema.GroupVersionResource{}
resources = map[schema.GroupResource]string{}
failedGroups = make(map[schema.GroupVersion]error)
serverGroupList, err := d.ServerGroups()
if err != nil {
return results, err
}
for _, apiGroup := range serverGroupList.Groups {
versions := apiGroup.Versions
for _, version := range versions {
groupVersion := schema.GroupVersion{Group: apiGroup.Name, Version: version.Version}
apiResourceList, err := d.ServerResourcesForGroupVersion(version.GroupVersion)
if err != nil {
if i < maxRetries-1 {
continue RetrieveGroups
}
failedGroups[groupVersion] = err
continue
}
for _, apiResource := range apiResourceList.APIResources {
// ignore the root scoped resources if "namespaced" is true.
if namespaced && !apiResource.Namespaced {
continue
}
if strings.Contains(apiResource.Name, "/") {
continue
}
gvr := groupVersion.WithResource(apiResource.Name)
if _, ok := resources[gvr.GroupResource()]; ok {
if gvr.Version != apiGroup.PreferredVersion.Version {
continue
}
// remove previous entry, because it will be replaced with a preferred one
for i := range results {
if results[i].GroupResource() == gvr.GroupResource() {
results = append(results[:i], results[i+1:]...)
}
}
}
resources[gvr.GroupResource()] = gvr.Version
results = append(results, gvr)
}
}
}
if len(failedGroups) == 0 {
return results, nil
}
}
return results, &ErrGroupDiscoveryFailed{Groups: failedGroups}
}
func TestDisabledVersion(t *testing.T) {
g1v1 := schema.GroupVersion{Group: "group1", Version: "version1"}
g1v2 := schema.GroupVersion{Group: "group1", Version: "version2"}
g2v1 := schema.GroupVersion{Group: "group2", Version: "version1"}
g3v1 := schema.GroupVersion{Group: "group3", Version: "version1"}
resourceType := "the-resource"
disabledResourceType := "the-disabled-resource"
config := NewResourceConfig()
config.DisableVersions(g1v1)
config.EnableVersions(g1v2, g3v1)
config.EnableResources(g1v1.WithResource(resourceType), g2v1.WithResource(resourceType))
config.DisableResources(g1v2.WithResource(disabledResourceType))
expectedEnabledResources := []schema.GroupVersionResource{
g1v2.WithResource(resourceType),
g2v1.WithResource(resourceType),
}
expectedDisabledResources := []schema.GroupVersionResource{
g1v1.WithResource(resourceType), g1v1.WithResource(disabledResourceType),
g1v2.WithResource(disabledResourceType),
g2v1.WithResource(disabledResourceType),
}
for _, expectedResource := range expectedEnabledResources {
if !config.ResourceEnabled(expectedResource) {
t.Errorf("expected enabled for %v, from %v", expectedResource, config)
}
}
for _, expectedResource := range expectedDisabledResources {
if config.ResourceEnabled(expectedResource) {
t.Errorf("expected disabled for %v, from %v", expectedResource, config)
}
}
if e, a := false, config.AnyResourcesForVersionEnabled(g1v1); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := false, config.AllResourcesForVersionEnabled(g1v1); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := true, config.AnyResourcesForVersionEnabled(g1v2); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := false, config.AllResourcesForVersionEnabled(g1v2); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := true, config.AnyResourcesForVersionEnabled(g3v1); e != a {
t.Errorf("expected %v, got %v", e, a)
}
if e, a := true, config.AllResourcesForVersionEnabled(g3v1); e != a {
t.Errorf("expected %v, got %v", e, a)
}
expectedEnabledAnyVersionResources := []schema.GroupResource{
{Group: "group1", Resource: resourceType},
}
expectedDisabledAnyResources := []schema.GroupResource{
{Group: "group1", Resource: disabledResourceType},
}
for _, expectedResource := range expectedEnabledAnyVersionResources {
if !config.AnyVersionOfResourceEnabled(expectedResource) {
t.Errorf("expected enabled for %v, from %v", expectedResource, config)
}
}
for _, expectedResource := range expectedDisabledAnyResources {
if config.AnyVersionOfResourceEnabled(expectedResource) {
t.Errorf("expected disabled for %v, from %v", expectedResource, config)
}
}
}