git/t/t0040-parse-options.sh
Johannes Schindelin 243e0614e0 parse-options: abbreviation engine fix.
When an option could be an ambiguous abbreviation of two options, the code
used to error out.  Even if an exact match would have occured later.

Test and original patch by Pierre Habouzit.

Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-11-05 22:46:45 -08:00

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#!/bin/sh
#
# Copyright (c) 2007 Johannes Schindelin
#
test_description='our own option parser'
. ./test-lib.sh
cat > expect.err << EOF
usage: test-parse-options <options>
-b, --boolean get a boolean
-i, --integer <n> get a integer
-j <n> get a integer, too
string options
-s, --string <string>
get a string
--string2 <str> get another string
--st <st> get another string (pervert ordering)
EOF
test_expect_success 'test help' '
! test-parse-options -h > output 2> output.err &&
test ! -s output &&
git diff expect.err output.err
'
cat > expect << EOF
boolean: 2
integer: 1729
string: 123
EOF
test_expect_success 'short options' '
test-parse-options -s123 -b -i 1729 -b > output 2> output.err &&
git diff expect output &&
test ! -s output.err
'
cat > expect << EOF
boolean: 2
integer: 1729
string: 321
EOF
test_expect_success 'long options' '
test-parse-options --boolean --integer 1729 --boolean --string2=321 \
> output 2> output.err &&
test ! -s output.err &&
git diff expect output
'
cat > expect << EOF
boolean: 1
integer: 13
string: 123
arg 00: a1
arg 01: b1
arg 02: --boolean
EOF
test_expect_success 'intermingled arguments' '
test-parse-options a1 --string 123 b1 --boolean -j 13 -- --boolean \
> output 2> output.err &&
test ! -s output.err &&
git diff expect output
'
cat > expect << EOF
boolean: 0
integer: 2
string: (not set)
EOF
test_expect_success 'unambiguously abbreviated option' '
test-parse-options --int 2 --boolean --no-bo > output 2> output.err &&
test ! -s output.err &&
git diff expect output
'
test_expect_success 'unambiguously abbreviated option with "="' '
test-parse-options --int=2 > output 2> output.err &&
test ! -s output.err &&
git diff expect output
'
test_expect_failure 'ambiguously abbreviated option' '
test-parse-options --strin 123;
test $? != 129
'
cat > expect << EOF
boolean: 0
integer: 0
string: 123
EOF
test_expect_success 'non ambiguous option (after two options it abbreviates)' '
test-parse-options --st 123 > output 2> output.err &&
test ! -s output.err &&
git diff expect output
'
test_done