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grep: add a test helper function for less verbose -f \0 tests

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Add a helper function to make the tests which check for patterns with
\0 in them more succinct. Right now this isn't a big win, but
subsequent commits will add a lot more of these tests.

The helper is based on the match() function in t3070-wildmatch.sh.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2017-05-20 21:42:15 +00:00 committed by Junio C Hamano
parent 5ee6f1a21b
commit 77f6f4406f
1 changed files with 29 additions and 29 deletions
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58
t/t7008-grep-binary.sh
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@ -4,6 +4,29 @@ test_description='git grep in binary files'
. ./test-lib.sh
nul_match () {
matches=$1
flags=$2
pattern=$3
pattern_human=$(echo "$pattern" | sed 's/Q/<NUL>/g')
if test "$matches" = 1
then
test_expect_success "git grep -f f $flags '$pattern_human' a" "
printf '$pattern' | q_to_nul >f &&
git grep -f f $flags a
"
elif test "$matches" = 0
then
test_expect_success "git grep -f f $flags '$pattern_human' a" "
printf '$pattern' | q_to_nul >f &&
test_must_fail git grep -f f $flags a
"
else
test_expect_success "PANIC: Test framework error. Unknown matches value $matches" 'false'
fi
}
test_expect_success 'setup' "
echo 'binaryQfile' | q_to_nul >a &&
git add a &&
@ -69,35 +92,12 @@ test_expect_failure 'git grep .fi a' '
git grep .fi a
'
test_expect_success 'git grep -F y<NUL>f a' "
printf 'yQf' | q_to_nul >f &&
git grep -f f -F a
"
test_expect_success 'git grep -F y<NUL>x a' "
printf 'yQx' | q_to_nul >f &&
test_must_fail git grep -f f -F a
"
test_expect_success 'git grep -Fi Y<NUL>f a' "
printf 'YQf' | q_to_nul >f &&
git grep -f f -Fi a
"
test_expect_success 'git grep -Fi Y<NUL>x a' "
printf 'YQx' | q_to_nul >f &&
test_must_fail git grep -f f -Fi a
"
test_expect_success 'git grep y<NUL>f a' "
printf 'yQf' | q_to_nul >f &&
git grep -f f a
"
test_expect_success 'git grep y<NUL>x a' "
printf 'yQx' | q_to_nul >f &&
test_must_fail git grep -f f a
"
nul_match 1 '-F' 'yQf'
nul_match 0 '-F' 'yQx'
nul_match 1 '-Fi' 'YQf'
nul_match 0 '-Fi' 'YQx'
nul_match 1 '' 'yQf'
nul_match 0 '' 'yQx'
test_expect_success 'grep respects binary diff attribute' '
echo text >t &&