143 lines
4.6 KiB
Go
143 lines
4.6 KiB
Go
/*
|
|
Copyright 2019 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 internalversion
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"reflect"
|
|
"testing"
|
|
|
|
"k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
metav1beta1 "k8s.io/apimachinery/pkg/apis/meta/v1beta1"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/apimachinery/pkg/runtime/schema"
|
|
"k8s.io/apimachinery/pkg/util/sets"
|
|
genericprinters "k8s.io/cli-runtime/pkg/printers"
|
|
"k8s.io/kubernetes/pkg/api/legacyscheme"
|
|
"k8s.io/kubernetes/pkg/printers"
|
|
)
|
|
|
|
///////////////////////////////////////////////////////////////
|
|
//
|
|
// These tests do not belong in this package, and they
|
|
// should be moved (mostly to cli-runtime). seans3.
|
|
//
|
|
/////////////////////////////////////////////////////////////
|
|
|
|
type TestPrintType struct {
|
|
Data string
|
|
}
|
|
|
|
func (obj *TestPrintType) GetObjectKind() schema.ObjectKind { return schema.EmptyObjectKind }
|
|
func (obj *TestPrintType) DeepCopyObject() runtime.Object {
|
|
if obj == nil {
|
|
return nil
|
|
}
|
|
clone := *obj
|
|
return &clone
|
|
}
|
|
|
|
func PrintCustomType(obj *TestPrintType, options printers.GenerateOptions) ([]metav1beta1.TableRow, error) {
|
|
return []metav1beta1.TableRow{{Cells: []interface{}{obj.Data}}}, nil
|
|
}
|
|
|
|
func ErrorPrintHandler(obj *TestPrintType, options printers.GenerateOptions) ([]metav1beta1.TableRow, error) {
|
|
return nil, fmt.Errorf("ErrorPrintHandler error")
|
|
}
|
|
|
|
func TestCustomTypePrinting(t *testing.T) {
|
|
columns := []metav1beta1.TableColumnDefinition{{Name: "Data"}}
|
|
generator := printers.NewTableGenerator()
|
|
generator.TableHandler(columns, PrintCustomType)
|
|
|
|
obj := TestPrintType{"test object"}
|
|
table, err := generator.GenerateTable(&obj, printers.GenerateOptions{})
|
|
if err != nil {
|
|
t.Fatalf("An error occurred generating the table for custom type: %#v", err)
|
|
}
|
|
|
|
expectedTable := &metav1.Table{
|
|
ColumnDefinitions: []metav1.TableColumnDefinition{{Name: "Data"}},
|
|
Rows: []metav1.TableRow{{Cells: []interface{}{"test object"}}},
|
|
}
|
|
if !reflect.DeepEqual(expectedTable, table) {
|
|
t.Errorf("Error generating table from custom type. Expected (%#v), got (%#v)", expectedTable, table)
|
|
}
|
|
}
|
|
|
|
func TestPrintHandlerError(t *testing.T) {
|
|
columns := []metav1beta1.TableColumnDefinition{{Name: "Data"}}
|
|
generator := printers.NewTableGenerator()
|
|
generator.TableHandler(columns, ErrorPrintHandler)
|
|
obj := TestPrintType{"test object"}
|
|
_, err := generator.GenerateTable(&obj, printers.GenerateOptions{})
|
|
if err == nil || err.Error() != "ErrorPrintHandler error" {
|
|
t.Errorf("Did not get the expected error: %#v", err)
|
|
}
|
|
}
|
|
|
|
// TODO(seans3): Move this test to cli-runtime/pkg/printers.
|
|
func TestPrinters(t *testing.T) {
|
|
om := func(name string) metav1.ObjectMeta { return metav1.ObjectMeta{Name: name} }
|
|
|
|
var (
|
|
err error
|
|
jsonpathPrinter printers.ResourcePrinter
|
|
)
|
|
|
|
jsonpathPrinter, err = genericprinters.NewJSONPathPrinter("{.metadata.name}")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
genericPrinters := map[string]printers.ResourcePrinter{
|
|
// TODO(juanvallejo): move "generic printer" tests to pkg/kubectl/genericclioptions/printers
|
|
"json": genericprinters.NewTypeSetter(legacyscheme.Scheme).ToPrinter(&genericprinters.JSONPrinter{}),
|
|
"yaml": genericprinters.NewTypeSetter(legacyscheme.Scheme).ToPrinter(&genericprinters.YAMLPrinter{}),
|
|
"jsonpath": jsonpathPrinter,
|
|
}
|
|
objects := map[string]runtime.Object{
|
|
"pod": &v1.Pod{ObjectMeta: om("pod")},
|
|
"emptyPodList": &v1.PodList{},
|
|
"nonEmptyPodList": &v1.PodList{Items: []v1.Pod{{}}},
|
|
"endpoints": &v1.Endpoints{
|
|
Subsets: []v1.EndpointSubset{{
|
|
Addresses: []v1.EndpointAddress{{IP: "127.0.0.1"}, {IP: "localhost"}},
|
|
Ports: []v1.EndpointPort{{Port: 8080}},
|
|
}}},
|
|
}
|
|
// map of printer name to set of objects it should fail on.
|
|
expectedErrors := map[string]sets.String{
|
|
"jsonpath": sets.NewString("emptyPodList", "nonEmptyPodList", "endpoints"),
|
|
}
|
|
|
|
for pName, p := range genericPrinters {
|
|
for oName, obj := range objects {
|
|
b := &bytes.Buffer{}
|
|
if err := p.PrintObj(obj, b); err != nil {
|
|
if set, found := expectedErrors[pName]; found && set.Has(oName) {
|
|
// expected error
|
|
continue
|
|
}
|
|
t.Errorf("printer '%v', object '%v'; error: '%v'", pName, oName, err)
|
|
}
|
|
}
|
|
}
|
|
}
|