mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-11-03 23:40:03 +00:00
122 lines
3.3 KiB
Go
122 lines
3.3 KiB
Go
/*
|
|
Copyright 2016 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_test
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
"strings"
|
|
"testing"
|
|
|
|
"k8s.io/kubernetes/pkg/api/testapi"
|
|
metav1 "k8s.io/kubernetes/pkg/apis/meta/v1"
|
|
"k8s.io/kubernetes/pkg/util/sets"
|
|
)
|
|
|
|
// These types do not follow the list convention as documented in
|
|
// docs/devel/api-convention.md
|
|
var listTypeExceptions = sets.NewString("APIGroupList", "APIResourceList")
|
|
|
|
func validateListType(target reflect.Type) error {
|
|
// exceptions
|
|
if listTypeExceptions.Has(target.Name()) {
|
|
return nil
|
|
}
|
|
hasListSuffix := strings.HasSuffix(target.Name(), "List")
|
|
hasMetadata := false
|
|
hasItems := false
|
|
for i := 0; i < target.NumField(); i++ {
|
|
field := target.Field(i)
|
|
tag := field.Tag.Get("json")
|
|
switch {
|
|
case strings.HasPrefix(tag, "metadata"):
|
|
hasMetadata = true
|
|
case tag == "items":
|
|
hasItems = true
|
|
if field.Type.Kind() != reflect.Slice {
|
|
return fmt.Errorf("Expected items to be slice, got %s", field.Type.Kind())
|
|
}
|
|
}
|
|
}
|
|
if hasListSuffix && !hasMetadata {
|
|
return fmt.Errorf("Expected type %s to contain \"metadata\"", target.Name())
|
|
}
|
|
if hasListSuffix && !hasItems {
|
|
return fmt.Errorf("Expected type %s to contain \"items\"", target.Name())
|
|
}
|
|
// if a type contains field Items with JSON tag "items", its name should end with List.
|
|
if !hasListSuffix && hasItems {
|
|
return fmt.Errorf("Type %s has Items, its name is expected to end with \"List\"", target.Name())
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// TestListTypes verifies that no external type violates the api convention of
|
|
// list types.
|
|
func TestListTypes(t *testing.T) {
|
|
for groupKey, group := range testapi.Groups {
|
|
for kind, target := range group.ExternalTypes() {
|
|
t.Logf("working on %v in %v", kind, groupKey)
|
|
err := validateListType(target)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
type WithoutMetaDataList struct {
|
|
metav1.TypeMeta `json:",inline"`
|
|
metav1.ListMeta
|
|
Items []interface{} `json:"items"`
|
|
}
|
|
|
|
type WithoutItemsList struct {
|
|
metav1.TypeMeta `json:",inline"`
|
|
metav1.ListMeta `json:"metadata,omitempty"`
|
|
}
|
|
|
|
type WrongItemsJSONTagList struct {
|
|
metav1.TypeMeta `json:",inline"`
|
|
metav1.ListMeta `json:"metadata,omitempty"`
|
|
Items []interface{} `json:"items,omitempty"`
|
|
}
|
|
|
|
// If a type has Items, its name should end with "List"
|
|
type ListWithWrongName struct {
|
|
metav1.TypeMeta `json:",inline"`
|
|
metav1.ListMeta `json:"metadata,omitempty"`
|
|
Items []interface{} `json:"items"`
|
|
}
|
|
|
|
// TestValidateListType verifies the validateListType function reports error on
|
|
// types that violate the api convention.
|
|
func TestValidateListType(t *testing.T) {
|
|
var testTypes = []interface{}{
|
|
WithoutMetaDataList{},
|
|
WithoutItemsList{},
|
|
WrongItemsJSONTagList{},
|
|
ListWithWrongName{},
|
|
}
|
|
for _, testType := range testTypes {
|
|
err := validateListType(reflect.TypeOf(testType))
|
|
if err == nil {
|
|
t.Errorf("Expected error")
|
|
}
|
|
}
|
|
}
|