/usr/share/gocode/src/github.com/jessevdk/go-flags/help_test.go is in golang-go-flags-dev 0.0~git20131216-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | package flags_test
import (
"bytes"
"fmt"
"github.com/jessevdk/go-flags"
"io"
"io/ioutil"
"os"
"os/exec"
"testing"
"time"
)
func helpDiff(a, b string) (string, error) {
atmp, err := ioutil.TempFile("", "help-diff")
if err != nil {
return "", err
}
btmp, err := ioutil.TempFile("", "help-diff")
if err != nil {
return "", err
}
if _, err := io.WriteString(atmp, a); err != nil {
return "", err
}
if _, err := io.WriteString(btmp, b); err != nil {
return "", err
}
ret, err := exec.Command("diff", "-u", "-d", "--label", "got", atmp.Name(), "--label", "expected", btmp.Name()).Output()
os.Remove(atmp.Name())
os.Remove(btmp.Name())
return string(ret), nil
}
type helpOptions struct {
Verbose []bool `short:"v" long:"verbose" description:"Show verbose debug information" ini-name:"verbose"`
Call func(string) `short:"c" description:"Call phone number" ini-name:"call"`
PtrSlice []*string `long:"ptrslice" description:"A slice of pointers to string"`
OnlyIni string `ini-name:"only-ini" description:"Option only available in ini"`
Other struct {
StringSlice []string `short:"s" description:"A slice of strings"`
IntMap map[string]int `long:"intmap" description:"A map from string to int" ini-name:"int-map"`
} `group:"Other Options"`
}
func TestHelp(t *testing.T) {
var opts helpOptions
p := flags.NewNamedParser("TestHelp", flags.HelpFlag)
p.AddGroup("Application Options", "The application options", &opts)
_, err := p.ParseArgs([]string{"--help"})
if err == nil {
t.Fatalf("Expected help error")
}
if e, ok := err.(*flags.Error); !ok {
t.Fatalf("Expected flags.Error, but got %#T", err)
} else {
if e.Type != flags.ErrHelp {
t.Errorf("Expected flags.ErrHelp type, but got %s", e.Type)
}
expected := `Usage:
TestHelp [OPTIONS]
Application Options:
-v, --verbose Show verbose debug information
-c= Call phone number
--ptrslice= A slice of pointers to string
Other Options:
-s= A slice of strings
--intmap= A map from string to int
Help Options:
-h, --help Show this help message
`
if e.Message != expected {
ret, err := helpDiff(e.Message, expected)
if err != nil {
t.Errorf("Unexpected diff error: %s", err)
t.Errorf("Unexpected help message, expected:\n\n%s\n\nbut got\n\n%s", expected, e.Message)
} else {
t.Errorf("Unexpected help message:\n\n%s", ret)
}
}
}
}
func TestMan(t *testing.T) {
var opts helpOptions
p := flags.NewNamedParser("TestMan", flags.HelpFlag)
p.ShortDescription = "Test manpage generation"
p.LongDescription = "This is a somewhat longer description of what this does"
p.AddGroup("Application Options", "The application options", &opts)
var buf bytes.Buffer
p.WriteManPage(&buf)
got := buf.String()
tt := time.Now()
expected := fmt.Sprintf(`.TH TestMan 1 "%s"
.SH NAME
TestMan \- Test manpage generation
.SH SYNOPSIS
\fBTestMan\fP [OPTIONS]
.SH DESCRIPTION
This is a somewhat longer description of what this does
.SH OPTIONS
.TP
\fB-v, --verbose\fP
Show verbose debug information
.TP
\fB-c\fP
Call phone number
.TP
\fB--ptrslice\fP
A slice of pointers to string
.TP
\fB-s\fP
A slice of strings
.TP
\fB--intmap\fP
A map from string to int
`, tt.Format("2 January 2006"))
if got != expected {
ret, err := helpDiff(got, expected)
if err != nil {
t.Errorf("Unexpected man page, expected:\n\n%s\n\nbut got\n\n%s", expected, got)
} else {
t.Errorf("Unexpected man page:\n\n%s", ret)
}
}
}
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