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84356ff770
git-commit-vandalism/t/t0040-parse-options.sh
Phillip Wood 84356ff770 git_parse_unsigned: reject negative values 
git_parse_unsigned() relies on strtoumax() which unfortunately parses
negative values as large positive integers. Fix this by rejecting any
string that contains '-' as we do in strtoul_ui(). I've chosen to treat
negative numbers as invalid input and set errno to EINVAL rather than
ERANGE one the basis that they are never acceptable if we're looking for
a unsigned integer. This is also consistent with the existing behavior
of rejecting "1–2" with EINVAL.

As we do not have unit tests for this function it is tested indirectly
by checking that negative values of reject for core.bigFileThreshold are
rejected. As this function is also used by OPT_MAGNITUDE() a test is
added to check that rejects negative values too.

Helped-by: Jeff King <peff@peff.net>
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
2022-11-09 21:30:38 -05:00

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#!/bin/sh
#
# Copyright (c) 2007 Johannes Schindelin
#
test_description='our own option parser'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
cat >expect <<\EOF
usage: test-tool parse-options <options>
A helper function for the parse-options API.
--yes get a boolean
-D, --no-doubt begins with 'no-'
-B, --no-fear be brave
-b, --boolean increment by one
-4, --or4 bitwise-or boolean with ...0100
--neg-or4 same as --no-or4
-i, --integer <n> get a integer
-j <n> get a integer, too
-m, --magnitude <n> get a magnitude
--set23 set integer to 23
--mode1 set integer to 1 (cmdmode option)
--mode2 set integer to 2 (cmdmode option)
-L, --length <str> get length of <str>
-F, --file <file> set file to <file>
String options
-s, --string <string>
get a string
--string2 <str> get another string
--st <st> get another string (pervert ordering)
-o <str> get another string
--list <str> add str to list
Magic arguments
-NUM set integer to NUM
+ same as -b
--ambiguous positive ambiguity
--no-ambiguous negative ambiguity
Standard options
--abbrev[=<n>] use <n> digits to display object names
-v, --verbose be verbose
-n, --dry-run dry run
-q, --quiet be quiet
--expect <string> expected output in the variable dump
Alias
-A, --alias-source <string>
get a string
-Z, --alias-target <string>
alias of --alias-source
EOF
test_expect_success 'test help' '
test_must_fail test-tool parse-options -h >output 2>output.err &&
test_must_be_empty output.err &&
test_cmp expect output
'
mv expect expect.err
check () {
what="$1" &&
shift &&
expect="$1" &&
shift &&
test-tool parse-options --expect="$what $expect" "$@"
}
check_unknown_i18n() {
case "$1" in
--*)
echo error: unknown option \`${1#--}\' >expect ;;
-*)
echo error: unknown switch \`${1#-}\' >expect ;;
esac &&
cat expect.err >>expect &&
test_must_fail test-tool parse-options $* >output 2>output.err &&
test_must_be_empty output &&
test_cmp expect output.err
}
test_expect_success 'OPT_BOOL() #1' 'check boolean: 1 --yes'
test_expect_success 'OPT_BOOL() #2' 'check boolean: 1 --no-doubt'
test_expect_success 'OPT_BOOL() #3' 'check boolean: 1 -D'
test_expect_success 'OPT_BOOL() #4' 'check boolean: 1 --no-fear'
test_expect_success 'OPT_BOOL() #5' 'check boolean: 1 -B'
test_expect_success 'OPT_BOOL() is idempotent #1' 'check boolean: 1 --yes --yes'
test_expect_success 'OPT_BOOL() is idempotent #2' 'check boolean: 1 -DB'
test_expect_success 'OPT_BOOL() negation #1' 'check boolean: 0 -D --no-yes'
test_expect_success 'OPT_BOOL() negation #2' 'check boolean: 0 -D --no-no-doubt'
test_expect_success 'OPT_BOOL() no negation #1' 'check_unknown_i18n --fear'
test_expect_success 'OPT_BOOL() no negation #2' 'check_unknown_i18n --no-no-fear'
test_expect_success 'OPT_BOOL() positivation' 'check boolean: 0 -D --doubt'
test_expect_success 'OPT_INT() negative' 'check integer: -2345 -i -2345'
test_expect_success 'OPT_MAGNITUDE() simple' '
check magnitude: 2345678 -m 2345678
'
test_expect_success 'OPT_MAGNITUDE() kilo' '
check magnitude: 239616 -m 234k
'
test_expect_success 'OPT_MAGNITUDE() mega' '
check magnitude: 104857600 -m 100m
'
test_expect_success 'OPT_MAGNITUDE() giga' '
check magnitude: 1073741824 -m 1g
'
test_expect_success 'OPT_MAGNITUDE() 3giga' '
check magnitude: 3221225472 -m 3g
'
cat >expect <<\EOF
boolean: 2
integer: 1729
magnitude: 16384
timestamp: 0
string: 123
abbrev: 7
verbose: 2
quiet: 0
dry run: yes
file: prefix/my.file
EOF
test_expect_success 'short options' '
test-tool parse-options -s123 -b -i 1729 -m 16k -b -vv -n -F my.file \
>output 2>output.err &&
test_cmp expect output &&
test_must_be_empty output.err
'
cat >expect <<\EOF
boolean: 2
integer: 1729
magnitude: 16384
timestamp: 0
string: 321
abbrev: 10
verbose: 2
quiet: 0
dry run: no
file: prefix/fi.le
EOF
test_expect_success 'long options' '
test-tool parse-options --boolean --integer 1729 --magnitude 16k \
--boolean --string2=321 --verbose --verbose --no-dry-run \
--abbrev=10 --file fi.le --obsolete \
>output 2>output.err &&
test_must_be_empty output.err &&
test_cmp expect output
'
test_expect_success 'missing required value' '
cat >expect <<-\EOF &&
error: switch `s'\'' requires a value
EOF
test_expect_code 129 test-tool parse-options -s 2>actual &&
test_cmp expect actual &&
cat >expect <<-\EOF &&
error: option `string'\'' requires a value
EOF
test_expect_code 129 test-tool parse-options --string 2>actual &&
test_cmp expect actual &&
cat >expect <<-\EOF &&
error: option `file'\'' requires a value
EOF
test_expect_code 129 test-tool parse-options --file 2>actual &&
test_cmp expect actual
'
test_expect_success 'superfluous value provided: boolean' '
cat >expect <<-\EOF &&
error: option `yes'\'' takes no value
EOF
test_expect_code 129 test-tool parse-options --yes=hi 2>actual &&
test_cmp expect actual &&
cat >expect <<-\EOF &&
error: option `no-yes'\'' takes no value
EOF
test_expect_code 129 test-tool parse-options --no-yes=hi 2>actual &&
test_cmp expect actual
'
test_expect_success 'superfluous value provided: cmdmode' '
cat >expect <<-\EOF &&
error: option `mode1'\'' takes no value
EOF
test_expect_code 129 test-tool parse-options --mode1=hi 2>actual &&
test_cmp expect actual
'
cat >expect <<\EOF
boolean: 1
integer: 13
magnitude: 0
timestamp: 0
string: 123
abbrev: 7
verbose: -1
quiet: 0
dry run: no
file: (not set)
arg 00: a1
arg 01: b1
arg 02: --boolean
EOF
test_expect_success 'intermingled arguments' '
test-tool parse-options a1 --string 123 b1 --boolean -j 13 -- --boolean \
>output 2>output.err &&
test_must_be_empty output.err &&
test_cmp expect output
'
cat >expect <<\EOF
boolean: 0
integer: 2
magnitude: 0
timestamp: 0
string: (not set)
abbrev: 7
verbose: -1
quiet: 0
dry run: no
file: (not set)
EOF
test_expect_success 'unambiguously abbreviated option' '
GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \
test-tool parse-options --int 2 --boolean --no-bo >output 2>output.err &&
test_must_be_empty output.err &&
test_cmp expect output
'
test_expect_success 'unambiguously abbreviated option with "="' '
GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \
test-tool parse-options --expect="integer: 2" --int=2
'
test_expect_success 'ambiguously abbreviated option' '
test_expect_code 129 env GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \
test-tool parse-options --strin 123
'
test_expect_success 'non ambiguous option (after two options it abbreviates)' '
GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \
test-tool parse-options --expect="string: 123" --st 123
'
test_expect_success 'Alias options do not contribute to abbreviation' '
test-tool parse-options --alias-source 123 >output &&
grep "^string: 123" output &&
test-tool parse-options --alias-target 123 >output &&
grep "^string: 123" output &&
test_must_fail test-tool parse-options --alias &&
GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \
test-tool parse-options --alias 123 >output &&
grep "^string: 123" output
'
cat >typo.err <<\EOF
error: did you mean `--boolean` (with two dashes)?
EOF
test_expect_success 'detect possible typos' '
test_must_fail test-tool parse-options -boolean >output 2>output.err &&
test_must_be_empty output &&
test_cmp typo.err output.err
'
cat >typo.err <<\EOF
error: did you mean `--ambiguous` (with two dashes)?
EOF
test_expect_success 'detect possible typos' '
test_must_fail test-tool parse-options -ambiguous >output 2>output.err &&
test_must_be_empty output &&
test_cmp typo.err output.err
'
cat >expect <<\EOF
Callback: "four", 0
boolean: 5
integer: 4
magnitude: 0
timestamp: 0
string: (not set)
abbrev: 7
verbose: -1
quiet: 0
dry run: no
file: (not set)
EOF
test_expect_success 'OPT_CALLBACK() and OPT_BIT() work' '
test-tool parse-options --length=four -b -4 >output 2>output.err &&
test_must_be_empty output.err &&
test_cmp expect output
'
test_expect_success 'OPT_CALLBACK() and callback errors work' '
test_must_fail test-tool parse-options --no-length >output 2>output.err &&
test_must_be_empty output &&
test_must_be_empty output.err
'
cat >expect <<\EOF
boolean: 1
integer: 23
magnitude: 0
timestamp: 0
string: (not set)
abbrev: 7
verbose: -1
quiet: 0
dry run: no
file: (not set)
EOF
test_expect_success 'OPT_BIT() and OPT_SET_INT() work' '
test-tool parse-options --set23 -bbbbb --no-or4 >output 2>output.err &&
test_must_be_empty output.err &&
test_cmp expect output
'
test_expect_success 'OPT_NEGBIT() and OPT_SET_INT() work' '
test-tool parse-options --set23 -bbbbb --neg-or4 >output 2>output.err &&
test_must_be_empty output.err &&
test_cmp expect output
'
test_expect_success 'OPT_BIT() works' '
test-tool parse-options --expect="boolean: 6" -bb --or4
'
test_expect_success 'OPT_NEGBIT() works' '
test-tool parse-options --expect="boolean: 6" -bb --no-neg-or4
'
test_expect_success 'OPT_CMDMODE() works' '
test-tool parse-options --expect="integer: 1" --mode1
'
test_expect_success 'OPT_CMDMODE() detects incompatibility' '
test_must_fail test-tool parse-options --mode1 --mode2 >output 2>output.err &&
test_must_be_empty output &&
test_i18ngrep "incompatible with --mode" output.err
'
test_expect_success 'OPT_CMDMODE() detects incompatibility with something else' '
test_must_fail test-tool parse-options --set23 --mode2 >output 2>output.err &&
test_must_be_empty output &&
test_i18ngrep "incompatible with something else" output.err
'
test_expect_success 'OPT_COUNTUP() with PARSE_OPT_NODASH works' '
test-tool parse-options --expect="boolean: 6" + + + + + +
'
test_expect_success 'OPT_NUMBER_CALLBACK() works' '
test-tool parse-options --expect="integer: 12345" -12345
'
cat >expect <<\EOF
boolean: 0
integer: 0
magnitude: 0
timestamp: 0
string: (not set)
abbrev: 7
verbose: -1
quiet: 0
dry run: no
file: (not set)
EOF
test_expect_success 'negation of OPT_NONEG flags is not ambiguous' '
GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \
test-tool parse-options --no-ambig >output 2>output.err &&
test_must_be_empty output.err &&
test_cmp expect output
'
cat >>expect <<\EOF
list: foo
list: bar
list: baz
EOF
test_expect_success '--list keeps list of strings' '
test-tool parse-options --list foo --list=bar --list=baz >output &&
test_cmp expect output
'
test_expect_success '--no-list resets list' '
test-tool parse-options --list=other --list=irrelevant --list=options \
--no-list --list=foo --list=bar --list=baz >output &&
test_cmp expect output
'
test_expect_success 'multiple quiet levels' '
test-tool parse-options --expect="quiet: 3" -q -q -q
'
test_expect_success 'multiple verbose levels' '
test-tool parse-options --expect="verbose: 3" -v -v -v
'
test_expect_success '--no-quiet sets --quiet to 0' '
test-tool parse-options --expect="quiet: 0" --no-quiet
'
test_expect_success '--no-quiet resets multiple -q to 0' '
test-tool parse-options --expect="quiet: 0" -q -q -q --no-quiet
'
test_expect_success '--no-verbose sets verbose to 0' '
test-tool parse-options --expect="verbose: 0" --no-verbose
'
test_expect_success '--no-verbose resets multiple verbose to 0' '
test-tool parse-options --expect="verbose: 0" -v -v -v --no-verbose
'
test_expect_success 'GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS works' '
GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \
test-tool parse-options --ye &&
test_must_fail env GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=true \
test-tool parse-options --ye
'
test_expect_success '--end-of-options treats remainder as args' '
test-tool parse-options \
--expect="verbose: -1" \
--expect="arg 00: --verbose" \
--end-of-options --verbose
'
test_expect_success 'KEEP_DASHDASH works' '
test-tool parse-options-flags --keep-dashdash cmd --opt=1 -- --opt=2 --unknown >actual &&
cat >expect <<-\EOF &&
opt: 1
arg 00: --
arg 01: --opt=2
arg 02: --unknown
EOF
test_cmp expect actual
'
test_expect_success 'KEEP_ARGV0 works' '
test-tool parse-options-flags --keep-argv0 cmd arg0 --opt=3 >actual &&
cat >expect <<-\EOF &&
opt: 3
arg 00: cmd
arg 01: arg0
EOF
test_cmp expect actual
'
test_expect_success 'STOP_AT_NON_OPTION works' '
test-tool parse-options-flags --stop-at-non-option cmd --opt=4 arg0 --opt=5 --unknown >actual &&
cat >expect <<-\EOF &&
opt: 4
arg 00: arg0
arg 01: --opt=5
arg 02: --unknown
EOF
test_cmp expect actual
'
test_expect_success 'KEEP_UNKNOWN_OPT works' '
test-tool parse-options-flags --keep-unknown-opt cmd --unknown=1 --opt=6 -u2 >actual &&
cat >expect <<-\EOF &&
opt: 6
arg 00: --unknown=1
arg 01: -u2
EOF
test_cmp expect actual
'
test_expect_success 'NO_INTERNAL_HELP works for -h' '
test_expect_code 129 test-tool parse-options-flags --no-internal-help cmd -h 2>err &&
grep "^error: unknown switch \`h$SQ" err &&
grep "^usage: " err
'
for help_opt in help help-all
do
test_expect_success "NO_INTERNAL_HELP works for --$help_opt" "
test_expect_code 129 test-tool parse-options-flags --no-internal-help cmd --$help_opt 2>err &&
grep '^error: unknown option \`'$help_opt\' err &&
grep '^usage: ' err
"
done
test_expect_success 'KEEP_UNKNOWN_OPT | NO_INTERNAL_HELP works' '
test-tool parse-options-flags --keep-unknown-opt --no-internal-help cmd -h --help --help-all >actual &&
cat >expect <<-\EOF &&
opt: 0
arg 00: -h
arg 01: --help
arg 02: --help-all
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - no subcommand shows error and usage' '
test_expect_code 129 test-tool parse-subcommand cmd 2>err &&
grep "^error: need a subcommand" err &&
grep ^usage: err
'
test_expect_success 'subcommand - subcommand after -- shows error and usage' '
test_expect_code 129 test-tool parse-subcommand cmd -- subcmd-one 2>err &&
grep "^error: need a subcommand" err &&
grep ^usage: err
'
test_expect_success 'subcommand - subcommand after --end-of-options shows error and usage' '
test_expect_code 129 test-tool parse-subcommand cmd --end-of-options subcmd-one 2>err &&
grep "^error: need a subcommand" err &&
grep ^usage: err
'
test_expect_success 'subcommand - unknown subcommand shows error and usage' '
test_expect_code 129 test-tool parse-subcommand cmd nope 2>err &&
grep "^error: unknown subcommand: \`nope$SQ" err &&
grep ^usage: err
'
test_expect_success 'subcommand - subcommands cannot be abbreviated' '
test_expect_code 129 test-tool parse-subcommand cmd subcmd-o 2>err &&
grep "^error: unknown subcommand: \`subcmd-o$SQ$" err &&
grep ^usage: err
'
test_expect_success 'subcommand - no negated subcommands' '
test_expect_code 129 test-tool parse-subcommand cmd no-subcmd-one 2>err &&
grep "^error: unknown subcommand: \`no-subcmd-one$SQ" err &&
grep ^usage: err
'
test_expect_success 'subcommand - simple' '
test-tool parse-subcommand cmd subcmd-two >actual &&
cat >expect <<-\EOF &&
opt: 0
fn: subcmd_two
arg 00: subcmd-two
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - stop parsing at the first subcommand' '
test-tool parse-subcommand cmd --opt=1 subcmd-two subcmd-one --opt=2 >actual &&
cat >expect <<-\EOF &&
opt: 1
fn: subcmd_two
arg 00: subcmd-two
arg 01: subcmd-one
arg 02: --opt=2
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - KEEP_ARGV0' '
test-tool parse-subcommand --keep-argv0 cmd subcmd-two >actual &&
cat >expect <<-\EOF &&
opt: 0
fn: subcmd_two
arg 00: cmd
arg 01: subcmd-two
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL + subcommand not given' '
test-tool parse-subcommand --subcommand-optional cmd >actual &&
cat >expect <<-\EOF &&
opt: 0
fn: subcmd_one
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL + given subcommand' '
test-tool parse-subcommand --subcommand-optional cmd subcmd-two branch file >actual &&
cat >expect <<-\EOF &&
opt: 0
fn: subcmd_two
arg 00: subcmd-two
arg 01: branch
arg 02: file
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL + subcommand not given + unknown dashless args' '
test-tool parse-subcommand --subcommand-optional cmd branch file >actual &&
cat >expect <<-\EOF &&
opt: 0
fn: subcmd_one
arg 00: branch
arg 01: file
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL + subcommand not given + unknown option' '
test_expect_code 129 test-tool parse-subcommand --subcommand-optional cmd --subcommand-opt 2>err &&
grep "^error: unknown option" err &&
grep ^usage: err
'
test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL | KEEP_UNKNOWN_OPT + subcommand not given + unknown option' '
test-tool parse-subcommand --subcommand-optional --keep-unknown-opt cmd --subcommand-opt >actual &&
cat >expect <<-\EOF &&
opt: 0
fn: subcmd_one
arg 00: --subcommand-opt
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL | KEEP_UNKNOWN_OPT + subcommand ignored after unknown option' '
test-tool parse-subcommand --subcommand-optional --keep-unknown-opt cmd --subcommand-opt subcmd-two >actual &&
cat >expect <<-\EOF &&
opt: 0
fn: subcmd_one
arg 00: --subcommand-opt
arg 01: subcmd-two
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL | KEEP_UNKNOWN_OPT + command and subcommand options cannot be mixed' '
test-tool parse-subcommand --subcommand-optional --keep-unknown-opt cmd --subcommand-opt branch --opt=1 >actual &&
cat >expect <<-\EOF &&
opt: 0
fn: subcmd_one
arg 00: --subcommand-opt
arg 01: branch
arg 02: --opt=1
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL | KEEP_UNKNOWN_OPT | KEEP_ARGV0' '
test-tool parse-subcommand --subcommand-optional --keep-unknown-opt --keep-argv0 cmd --subcommand-opt branch >actual &&
cat >expect <<-\EOF &&
opt: 0
fn: subcmd_one
arg 00: cmd
arg 01: --subcommand-opt
arg 02: branch
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - SUBCOMMAND_OPTIONAL | KEEP_UNKNOWN_OPT | KEEP_DASHDASH' '
test-tool parse-subcommand --subcommand-optional --keep-unknown-opt --keep-dashdash cmd -- --subcommand-opt file >actual &&
cat >expect <<-\EOF &&
opt: 0
fn: subcmd_one
arg 00: --
arg 01: --subcommand-opt
arg 02: file
EOF
test_cmp expect actual
'
test_expect_success 'subcommand - completion helper' '
test-tool parse-subcommand cmd --git-completion-helper >actual &&
echo "subcmd-one subcmd-two --opt= --no-opt" >expect &&
test_cmp expect actual
'
test_expect_success 'subcommands are incompatible with STOP_AT_NON_OPTION' '
test_must_fail test-tool parse-subcommand --stop-at-non-option cmd subcmd-one 2>err &&
grep ^BUG err
'
test_expect_success 'subcommands are incompatible with KEEP_UNKNOWN_OPT unless in combination with SUBCOMMAND_OPTIONAL' '
test_must_fail test-tool parse-subcommand --keep-unknown-opt cmd subcmd-two 2>err &&
grep ^BUG err
'
test_expect_success 'subcommands are incompatible with KEEP_DASHDASH unless in combination with SUBCOMMAND_OPTIONAL' '
test_must_fail test-tool parse-subcommand --keep-dashdash cmd subcmd-two 2>err &&
grep ^BUG err
'
test_expect_success 'negative magnitude' '
test_must_fail test-tool parse-options --magnitude -1 >out 2>err &&
grep "non-negative integer" err &&
test_must_be_empty out
'
test_done
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