test/scripts/parseopts_test.sh


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

#!/bin/bash

declare -i testcount=0 pass=0 fail=0 total=25

# source the library function
lib=${1:-${PMTEST_SCRIPTLIB_DIR}parseopts.sh}
if [[ -z $lib || ! -f $lib ]]; then
  printf "Bail out! parseopts library ($lib) could not be located\n"
  exit 1
fi
. "$lib"

if ! type -t parseopts &>/dev/null; then
  printf 'Bail out! parseopts function not found\n'
  exit 1
fi

# borrow opts from makepkg
OPT_SHORT="AcdefFghiLmop:rRsV"
OPT_LONG=('allsource' 'asroot' 'ignorearch' 'check' 'clean:' 'cleanall' 'nodeps'
          'noextract' 'force' 'forcever:' 'geninteg' 'help' 'holdver'
          'install' 'key:' 'log' 'nocolor' 'nobuild' 'nocheck' 'noprepare' 'nosign' 'pkg:' 'rmdeps'
          'repackage' 'skipinteg' 'sign' 'source' 'syncdeps' 'version' 'config:'
          'noconfirm' 'noprogressbar')

parse() {
  local result=$1 tokencount=$2; shift 2

  (( ++testcount ))
  parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@" 2>/dev/null
  test_result "$result" "$tokencount" "$*" "${OPTRET[@]}"
  unset OPTRET
}

test_result() {
  local result=$1 tokencount=$2 input=$3; shift 3

  if [[ $result = "$*" ]] && (( tokencount == $# )); then
    (( ++pass ))
    printf 'ok %d - %s\n' "$testcount" "$input"
  else
    printf 'not ok %d - %s\n' "$testcount" "$input"
    printf '# [TEST %3s]: FAIL\n' "$testcount"
    printf '#      input: %s\n' "$input"
    printf '#     output: %s (%s tokens)\n' "$*" "$#"
    printf '#   expected: %s (%s tokens)\n' "$result" "$tokencount"
    (( ++fail ))
  fi
}

summarize() {
  if (( !fail )); then
    printf '# All %s tests successful\n\n' "$testcount"
    exit 0
  else
    printf '# %s of %s tests failed\n\n' "$fail" "$testcount"
    exit 1
  fi
}
trap 'summarize' EXIT

printf '# Beginning parseopts tests\n'

echo "1..$total"

# usage: parse <expected result> <token count> test-params...
# a failed parse will match only the end of options marker '--'

# no options
parse '--' 1

# short options
parse '-s -r --' 3 -s -r

# short options, no spaces
parse '-s -r --' 3 -sr

# short opt missing an opt arg
parse '--' 1 -s -p

# short opt with an opt arg
parse '-p PKGBUILD -L --' 4 -p PKGBUILD -L

# short opt with an opt arg, no space
parse '-p PKGBUILD --' 3 -pPKGBUILD

# valid shortopts as a long opt
parse '--' 1 --sir

# long opt with no optarg
parse '--log --' 2 --log

# long opt with missing optarg
parse '--' 1 -sr --pkg

# long opt with optarg
parse '--pkg foo --' 3 --pkg foo

# long opt with optarg with whitespace
parse '--pkg foo bar -- baz' 4 --pkg "foo bar" baz

# long opt with optarg with =
parse '--pkg foo=bar -- baz' 4 --pkg foo=bar baz

# long opt with explicit optarg
parse '--pkg bar -- foo baz' 5 foo --pkg=bar baz

# long opt with explicit optarg, with whitespace
parse '--pkg foo bar -- baz' 4 baz --pkg="foo bar"

# long opt with explicit optarg that doesn't take optarg
parse '--' 1 --force=always -s

# long opt with explicit optarg with =
parse '--pkg foo=bar --' 3 --pkg=foo=bar

# explicit end of options with options after
parse '-s -r -- foo bar baz' 6 -s -r -- foo bar baz

# non-option parameters mixed in with options
parse '-s -r -- foo baz' 5 -s foo baz -r

# optarg with whitespace
parse '-p foo bar -s --' 4 -p'foo bar' -s

# non-option parameter with whitespace
parse '-i -- foo bar' 3 -i 'foo bar'

# successful stem match (opt has no arg)
parse '--nocolor --' 2 --nocol

# successful stem match (opt has arg)
parse '--config foo --' 3 --conf foo

# ambiguous long opt
parse '--' 1 '--for'

# exact match on a possible stem (--force & --forcever)
parse '--force --' 2 --force

# exact match on possible stem (opt has optarg)
parse '--clean foo --' 3 --clean=foo