mirror of https://github.com/k3s-io/k3s
94 lines
2.0 KiB
Go
94 lines
2.0 KiB
Go
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/*
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Copyright 2014 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kubectl
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import (
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"bytes"
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"testing"
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"k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/runtime"
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)
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func TestColumnPrint(t *testing.T) {
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tests := []struct {
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columns []Column
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obj runtime.Object
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expectedOutput string
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}{
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{
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columns: []Column{
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{
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Header: "NAME",
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FieldSpec: "{.metadata.name}",
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},
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},
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obj: &v1.Pod{ObjectMeta: v1.ObjectMeta{Name: "foo"}},
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expectedOutput: `NAME
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foo
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`,
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},
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{
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columns: []Column{
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{
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Header: "NAME",
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FieldSpec: "{.metadata.name}",
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},
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},
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obj: &v1.PodList{
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Items: []v1.Pod{
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{ObjectMeta: v1.ObjectMeta{Name: "foo"}},
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{ObjectMeta: v1.ObjectMeta{Name: "bar"}},
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},
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},
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expectedOutput: `NAME
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foo
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bar
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`,
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},
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{
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columns: []Column{
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{
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Header: "NAME",
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FieldSpec: "{.metadata.name}",
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},
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{
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Header: "API_VERSION",
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FieldSpec: "{.apiVersion}",
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},
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},
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obj: &v1.Pod{ObjectMeta: v1.ObjectMeta{Name: "foo"}, TypeMeta: v1.TypeMeta{APIVersion: "baz"}},
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expectedOutput: `NAME API_VERSION
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foo baz
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`,
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},
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}
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for _, test := range tests {
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printer := &CustomColumnsPrinter{
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Columns: test.columns,
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}
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buffer := &bytes.Buffer{}
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if err := printer.PrintObj(test.obj, buffer); err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if buffer.String() != test.expectedOutput {
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t.Errorf("\nexpected:\n'%s'\nsaw\n'%s'\n", test.expectedOutput, buffer.String())
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}
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}
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}
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