mirror of
https://github.com/ceph/ceph-csi.git
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364 lines
7.3 KiB
Go
364 lines
7.3 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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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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// Unit tests for hack/e2e.go shim
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package main
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import (
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"errors"
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"flag"
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"fmt"
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"os"
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"path/filepath"
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"reflect"
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"testing"
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"time"
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)
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type FileInfo struct {
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when time.Time
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}
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func (f FileInfo) Name() string {
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return "fake-file"
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}
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func (f FileInfo) Size() int64 {
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return 0
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}
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func (f FileInfo) Mode() os.FileMode {
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return 0
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}
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func (f FileInfo) ModTime() time.Time {
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return f.when
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}
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func (f FileInfo) IsDir() bool {
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return false
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}
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func (f FileInfo) Sys() interface{} {
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return f
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}
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func TestParse(t *testing.T) {
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cases := []struct {
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args []string
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expected flags
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err error
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}{
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{
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[]string{"hello", "world"},
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flags{getDefault, oldDefault, []string{"world"}},
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nil,
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},
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{
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[]string{"hello", "--", "--venus", "--karaoke"},
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flags{getDefault, oldDefault, []string{"--venus", "--karaoke"}},
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nil,
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},
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{
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[]string{"hello", "--alpha", "--beta"},
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flags{getDefault, oldDefault, []string{"--alpha", "--beta"}},
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nil,
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},
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{
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[]string{"so", "--get", "--boo"},
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flags{true, oldDefault, []string{"--boo"}},
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nil,
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},
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{
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[]string{"omg", "--get=false", "--", "ugh"},
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flags{false, oldDefault, []string{"ugh"}},
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nil,
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},
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{
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[]string{"wee", "--old=5m", "--get"},
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flags{true, 5 * time.Minute, []string{}},
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nil,
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},
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{
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[]string{"fun", "--times", "--old=666s"},
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flags{getDefault, oldDefault, []string{"--times", "--old=666s"}},
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nil,
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},
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{
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[]string{"wut", "-h"},
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flags{},
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flag.ErrHelp,
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},
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{
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[]string{"wut", "--", "-h"},
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flags{getDefault, oldDefault, []string{"-h"}},
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nil,
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},
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}
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for i, c := range cases {
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a, err := parse(c.args)
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if err != c.err {
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t.Errorf("%d: a=%v != e%v", i, err, c.err)
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}
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e := c.expected
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if a.get != e.get {
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t.Errorf("%d: a=%v != e=%v", i, a.get, e.get)
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}
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if a.old != e.old {
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t.Errorf("%d: a=%v != e=%v", i, a.old, e.old)
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}
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if !reflect.DeepEqual(a.args, e.args) {
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t.Errorf("%d: a=%v != e=%v", i, a.args, e.args)
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}
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}
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}
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func TestLook(t *testing.T) {
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lpf := errors.New("LookPath failed")
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sf := errors.New("Stat failed")
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lpnc := errors.New("LookPath should not be called")
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snc := errors.New("Stat should not be called")
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cases := []struct {
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stat error
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lookPath error
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goPath string
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expected error
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}{
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{ // GOPATH set, stat succeeds returns gopath
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stat: nil,
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lookPath: lpnc,
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goPath: "fake-gopath/",
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expected: nil,
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},
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{ // GOPATH set, stat fails, terms on lookpath
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stat: sf,
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lookPath: lpf,
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goPath: "fake-gopath/",
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expected: lpf,
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},
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{ // GOPATH unset, stat not called, terms on lookpath
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stat: snc,
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lookPath: lpf,
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goPath: "",
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expected: lpf,
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},
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{ // GOPATH unset, stat not called, lookpath matches
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stat: snc,
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lookPath: nil,
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goPath: "",
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expected: nil,
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},
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}
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for _, c := range cases {
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l := tester{
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func(string) (os.FileInfo, error) {
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return FileInfo{}, c.stat
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},
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func(string) (string, error) {
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if c.lookPath != nil {
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return "FAILED", c.lookPath
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}
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return "$PATH-FOUND", nil
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},
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c.goPath,
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nil, // wait
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}
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if _, err := l.lookKubetest(); err != c.expected {
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t.Errorf("err: %s != %s", err, c.expected)
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}
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}
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}
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func TestGetKubetest(t *testing.T) {
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gp := "fake-gopath"
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gpk := filepath.Join(gp, "bin", "kubetest")
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p := "PATH"
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pk := filepath.Join(p, "kubetest")
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eu := errors.New("upgrade failed")
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euVerbose := fmt.Errorf("go get -u k8s.io/test-infra/kubetest: %v", eu)
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et := errors.New("touch failed")
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cases := []struct {
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name string
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get bool
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old time.Duration
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stat string // stat succeeds on this file
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path bool // file exists on path
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age time.Duration // age of mod time on file
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upgraded bool // go get -u succeeds
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touched bool // touch succeeds
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goPath string // GOPATH var
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returnPath string
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returnError error
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}{
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{name: "0: Pass when on GOPATH/bin",
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get: false,
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old: 0,
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stat: gpk,
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path: false,
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age: 100,
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upgraded: false,
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touched: false,
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goPath: gp,
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returnPath: gpk,
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returnError: nil,
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},
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{name: "1: Pass when on PATH",
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get: false,
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old: 0,
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stat: pk,
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path: true,
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age: 100,
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upgraded: false,
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touched: false,
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goPath: gp,
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returnPath: pk,
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returnError: nil,
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},
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{name: "2: Don't upgrade if on PATH and GOPATH is ''",
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get: true,
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old: 0,
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stat: pk,
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path: true,
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age: 100,
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upgraded: false,
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touched: false,
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goPath: "",
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returnPath: pk,
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returnError: nil,
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},
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{name: "3: Don't upgrade on PATH when young.",
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get: true,
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old: time.Hour,
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stat: pk,
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path: true,
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age: time.Second,
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upgraded: false,
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touched: false,
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goPath: gp,
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returnPath: pk,
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returnError: nil,
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},
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{name: "4: Upgrade if old but GOPATH is set.",
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get: true,
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old: 0,
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stat: pk,
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path: true,
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age: time.Second,
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upgraded: true,
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touched: true,
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goPath: gp,
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returnPath: pk,
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returnError: nil,
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},
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{name: "5: Fail if upgrade fails",
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get: true,
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old: 0,
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stat: pk,
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path: true,
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age: time.Second,
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upgraded: false,
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touched: false,
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goPath: gpk,
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returnPath: "",
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returnError: euVerbose,
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},
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{name: "6: Fail if touch fails",
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get: true,
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old: 0,
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stat: pk,
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path: true,
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age: time.Second,
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upgraded: true,
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touched: false,
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goPath: gpk,
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returnPath: "",
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returnError: et,
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},
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}
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for i, c := range cases {
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didUp := false
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didTouch := false
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l := tester{
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stat: func(p string) (os.FileInfo, error) {
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// stat
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if p != c.stat {
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return nil, fmt.Errorf("Failed to find %s", p)
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}
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return FileInfo{time.Now().Add(c.age * -1)}, nil
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},
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lookPath: func(name string) (string, error) {
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if c.path {
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return filepath.Join(p, name), nil
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}
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return "", fmt.Errorf("Not on path: %s", name)
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},
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goPath: c.goPath,
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wait: func(cmd string, args ...string) error {
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if cmd == "go" {
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if c.upgraded {
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didUp = true
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return nil
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}
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return eu
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}
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if c.touched {
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didTouch = true
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return nil
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}
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return et
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},
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}
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p, e := l.getKubetest(c.get, c.old)
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if p != c.returnPath {
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t.Errorf("%d: test=%q returnPath %q != %q", i, c.name, p, c.returnPath)
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}
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if e == nil || c.returnError == nil {
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if e != c.returnError {
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t.Errorf("%d: test=%q returnError %q != %q", i, c.name, e, c.returnError)
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}
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} else {
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if e.Error() != c.returnError.Error() {
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t.Errorf("%d: test=%q returnError %q != %q", i, c.name, e, c.returnError)
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}
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}
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if didUp != c.upgraded {
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t.Errorf("%d: test=%q bad upgrade state of %v", i, c.name, didUp)
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}
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if didTouch != c.touched {
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t.Errorf("%d: test=%q bad touch state of %v", i, c.name, didTouch)
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}
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}
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}
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