mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-24 14:00:19 +00:00
373 lines
8.6 KiB
Go
373 lines
8.6 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 printers
|
|
|
|
import (
|
|
"bytes"
|
|
"reflect"
|
|
"strings"
|
|
"testing"
|
|
|
|
"k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/kubernetes/pkg/api/legacyscheme"
|
|
api "k8s.io/kubernetes/pkg/apis/core"
|
|
)
|
|
|
|
func TestMassageJSONPath(t *testing.T) {
|
|
tests := []struct {
|
|
input string
|
|
expectedOutput string
|
|
expectErr bool
|
|
}{
|
|
{input: "foo.bar", expectedOutput: "{.foo.bar}"},
|
|
{input: "{foo.bar}", expectedOutput: "{.foo.bar}"},
|
|
{input: ".foo.bar", expectedOutput: "{.foo.bar}"},
|
|
{input: "{.foo.bar}", expectedOutput: "{.foo.bar}"},
|
|
{input: "", expectedOutput: ""},
|
|
{input: "{foo.bar", expectErr: true},
|
|
{input: "foo.bar}", expectErr: true},
|
|
{input: "{foo.bar}}", expectErr: true},
|
|
{input: "{{foo.bar}", expectErr: true},
|
|
}
|
|
for _, test := range tests {
|
|
t.Run(test.input, func(t *testing.T) {
|
|
output, err := RelaxedJSONPathExpression(test.input)
|
|
if err != nil && !test.expectErr {
|
|
t.Errorf("unexpected error: %v", err)
|
|
return
|
|
}
|
|
if test.expectErr {
|
|
if err == nil {
|
|
t.Error("unexpected non-error")
|
|
}
|
|
return
|
|
}
|
|
if output != test.expectedOutput {
|
|
t.Errorf("input: %s, expected: %s, saw: %s", test.input, test.expectedOutput, output)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestNewColumnPrinterFromSpec(t *testing.T) {
|
|
tests := []struct {
|
|
spec string
|
|
expectedColumns []Column
|
|
expectErr bool
|
|
name string
|
|
noHeaders bool
|
|
}{
|
|
{
|
|
spec: "",
|
|
expectErr: true,
|
|
name: "empty",
|
|
},
|
|
{
|
|
spec: "invalid",
|
|
expectErr: true,
|
|
name: "invalid1",
|
|
},
|
|
{
|
|
spec: "invalid=foobar",
|
|
expectErr: true,
|
|
name: "invalid2",
|
|
},
|
|
{
|
|
spec: "invalid,foobar:blah",
|
|
expectErr: true,
|
|
name: "invalid3",
|
|
},
|
|
{
|
|
spec: "NAME:metadata.name,API_VERSION:apiVersion",
|
|
name: "ok",
|
|
expectedColumns: []Column{
|
|
{
|
|
Header: "NAME",
|
|
FieldSpec: "{.metadata.name}",
|
|
},
|
|
{
|
|
Header: "API_VERSION",
|
|
FieldSpec: "{.apiVersion}",
|
|
},
|
|
},
|
|
},
|
|
{
|
|
spec: "API_VERSION:apiVersion",
|
|
name: "no-headers",
|
|
noHeaders: true,
|
|
},
|
|
}
|
|
for _, test := range tests {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
printer, err := NewCustomColumnsPrinterFromSpec(test.spec, legacyscheme.Codecs.UniversalDecoder(), test.noHeaders)
|
|
if test.expectErr {
|
|
if err == nil {
|
|
t.Errorf("[%s] unexpected non-error", test.name)
|
|
}
|
|
return
|
|
}
|
|
if !test.expectErr && err != nil {
|
|
t.Errorf("[%s] unexpected error: %v", test.name, err)
|
|
return
|
|
}
|
|
if test.noHeaders {
|
|
buffer := &bytes.Buffer{}
|
|
|
|
printer.PrintObj(&api.Pod{}, buffer)
|
|
if err != nil {
|
|
t.Fatalf("An error occurred printing Pod: %#v", err)
|
|
}
|
|
|
|
if contains(strings.Fields(buffer.String()), "API_VERSION") {
|
|
t.Errorf("unexpected header API_VERSION")
|
|
}
|
|
|
|
} else if !reflect.DeepEqual(test.expectedColumns, printer.Columns) {
|
|
t.Errorf("[%s]\nexpected:\n%v\nsaw:\n%v\n", test.name, test.expectedColumns, printer.Columns)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func contains(arr []string, s string) bool {
|
|
for i := range arr {
|
|
if arr[i] == s {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
const exampleTemplateOne = `NAME API_VERSION
|
|
{metadata.name} {apiVersion}`
|
|
|
|
const exampleTemplateTwo = `NAME API_VERSION
|
|
{metadata.name} {apiVersion}`
|
|
|
|
func TestNewColumnPrinterFromTemplate(t *testing.T) {
|
|
tests := []struct {
|
|
spec string
|
|
expectedColumns []Column
|
|
expectErr bool
|
|
name string
|
|
}{
|
|
{
|
|
spec: "",
|
|
expectErr: true,
|
|
name: "empty",
|
|
},
|
|
{
|
|
spec: "invalid",
|
|
expectErr: true,
|
|
name: "invalid1",
|
|
},
|
|
{
|
|
spec: "invalid=foobar",
|
|
expectErr: true,
|
|
name: "invalid2",
|
|
},
|
|
{
|
|
spec: "invalid,foobar:blah",
|
|
expectErr: true,
|
|
name: "invalid3",
|
|
},
|
|
{
|
|
spec: exampleTemplateOne,
|
|
name: "ok",
|
|
expectedColumns: []Column{
|
|
{
|
|
Header: "NAME",
|
|
FieldSpec: "{.metadata.name}",
|
|
},
|
|
{
|
|
Header: "API_VERSION",
|
|
FieldSpec: "{.apiVersion}",
|
|
},
|
|
},
|
|
},
|
|
{
|
|
spec: exampleTemplateTwo,
|
|
name: "ok-2",
|
|
expectedColumns: []Column{
|
|
{
|
|
Header: "NAME",
|
|
FieldSpec: "{.metadata.name}",
|
|
},
|
|
{
|
|
Header: "API_VERSION",
|
|
FieldSpec: "{.apiVersion}",
|
|
},
|
|
},
|
|
},
|
|
}
|
|
for _, test := range tests {
|
|
t.Run(test.name, func(t *testing.T) {
|
|
reader := bytes.NewBufferString(test.spec)
|
|
printer, err := NewCustomColumnsPrinterFromTemplate(reader, legacyscheme.Codecs.UniversalDecoder())
|
|
if test.expectErr {
|
|
if err == nil {
|
|
t.Errorf("[%s] unexpected non-error", test.name)
|
|
}
|
|
return
|
|
}
|
|
if !test.expectErr && err != nil {
|
|
t.Errorf("[%s] unexpected error: %v", test.name, err)
|
|
return
|
|
}
|
|
|
|
if !reflect.DeepEqual(test.expectedColumns, printer.Columns) {
|
|
t.Errorf("[%s]\nexpected:\n%v\nsaw:\n%v\n", test.name, test.expectedColumns, printer.Columns)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestColumnPrint(t *testing.T) {
|
|
tests := []struct {
|
|
columns []Column
|
|
obj runtime.Object
|
|
expectedOutput string
|
|
}{
|
|
{
|
|
columns: []Column{
|
|
{
|
|
Header: "NAME",
|
|
FieldSpec: "{.metadata.name}",
|
|
},
|
|
},
|
|
obj: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
|
|
expectedOutput: `NAME
|
|
foo
|
|
`,
|
|
},
|
|
{
|
|
columns: []Column{
|
|
{
|
|
Header: "NAME",
|
|
FieldSpec: "{.metadata.name}",
|
|
},
|
|
},
|
|
obj: &v1.PodList{
|
|
Items: []v1.Pod{
|
|
{ObjectMeta: metav1.ObjectMeta{Name: "foo"}},
|
|
{ObjectMeta: metav1.ObjectMeta{Name: "bar"}},
|
|
},
|
|
},
|
|
expectedOutput: `NAME
|
|
foo
|
|
bar
|
|
`,
|
|
},
|
|
{
|
|
columns: []Column{
|
|
{
|
|
Header: "NAME",
|
|
FieldSpec: "{.metadata.name}",
|
|
},
|
|
{
|
|
Header: "API_VERSION",
|
|
FieldSpec: "{.apiVersion}",
|
|
},
|
|
},
|
|
obj: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}, TypeMeta: metav1.TypeMeta{APIVersion: "baz"}},
|
|
expectedOutput: `NAME API_VERSION
|
|
foo baz
|
|
`,
|
|
},
|
|
{
|
|
columns: []Column{
|
|
{
|
|
Header: "NAME",
|
|
FieldSpec: "{.metadata.name}",
|
|
},
|
|
{
|
|
Header: "API_VERSION",
|
|
FieldSpec: "{.apiVersion}",
|
|
},
|
|
{
|
|
Header: "NOT_FOUND",
|
|
FieldSpec: "{.notFound}",
|
|
},
|
|
},
|
|
obj: &v1.Pod{ObjectMeta: metav1.ObjectMeta{Name: "foo"}, TypeMeta: metav1.TypeMeta{APIVersion: "baz"}},
|
|
expectedOutput: `NAME API_VERSION NOT_FOUND
|
|
foo baz <none>
|
|
`,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
t.Run(test.expectedOutput, func(t *testing.T) {
|
|
printer := &CustomColumnsPrinter{
|
|
Columns: test.columns,
|
|
Decoder: legacyscheme.Codecs.UniversalDecoder(),
|
|
}
|
|
buffer := &bytes.Buffer{}
|
|
if err := printer.PrintObj(test.obj, buffer); err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
if buffer.String() != test.expectedOutput {
|
|
t.Errorf("\nexpected:\n'%s'\nsaw\n'%s'\n", test.expectedOutput, buffer.String())
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
// this mimics how resource/get.go calls the customcolumn printer
|
|
func TestIndividualPrintObjOnExistingTabWriter(t *testing.T) {
|
|
columns := []Column{
|
|
{
|
|
Header: "NAME",
|
|
FieldSpec: "{.metadata.name}",
|
|
},
|
|
{
|
|
Header: "LONG COLUMN NAME", // name is longer than all values of label1
|
|
FieldSpec: "{.metadata.labels.label1}",
|
|
},
|
|
{
|
|
Header: "LABEL 2",
|
|
FieldSpec: "{.metadata.labels.label2}",
|
|
},
|
|
}
|
|
objects := []*v1.Pod{
|
|
{ObjectMeta: metav1.ObjectMeta{Name: "foo", Labels: map[string]string{"label1": "foo", "label2": "foo"}}},
|
|
{ObjectMeta: metav1.ObjectMeta{Name: "bar", Labels: map[string]string{"label1": "bar", "label2": "bar"}}},
|
|
}
|
|
expectedOutput := `NAME LONG COLUMN NAME LABEL 2
|
|
foo foo foo
|
|
bar bar bar
|
|
`
|
|
|
|
buffer := &bytes.Buffer{}
|
|
tabWriter := GetNewTabWriter(buffer)
|
|
printer := &CustomColumnsPrinter{
|
|
Columns: columns,
|
|
Decoder: legacyscheme.Codecs.UniversalDecoder(),
|
|
}
|
|
for _, obj := range objects {
|
|
if err := printer.PrintObj(obj, tabWriter); err != nil {
|
|
t.Errorf("unexpected error: %v", err)
|
|
}
|
|
}
|
|
tabWriter.Flush()
|
|
if buffer.String() != expectedOutput {
|
|
t.Errorf("\nexpected:\n'%s'\nsaw\n'%s'\n", expectedOutput, buffer.String())
|
|
}
|
|
}
|