git/t/t1800-hook.sh
Ævar Arnfjörð Bjarmason 7da7f63cf9 test-lib-functions: add and use a "test_hook" wrapper
Add a "test_hook" wrapper similar to the existing "test_config"
wrapper added in d960c47a88 (test-lib: add helper functions for
config, 2011-08-17).

This wrapper:

 - Will clean up the hook with "test_when_finished", unless --setup is
   provided.

 - Will error if we clobber a hook, unless --clobber is provided.

 - Takes a name like "update" instead of ".git/hooks/update".

 - Accepts -C <dir>, like "test_config" and "test_commit".

By using a wrapper we'll be able to easily change all the hook-related
code that assumes that the template-created ".git/hooks" directory is
created by "init", "clone" etc. once another topic follows-up and
changes the test suite to stop creating trash directories using those
templates.

In addition this will make it easy to have the hooks configured using
the "configuration-based hooks" topic, once we get around to
integrating that. I.e. we'll be able to run the tests in a mode where
we sometimes create a .git/hooks/<name>, and other times create a
script in another location, and point the relevant configuration
snippet to it.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2022-03-17 08:40:25 -07:00

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#!/bin/sh
test_description='git-hook command'
TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
test_expect_success 'git hook usage' '
test_expect_code 129 git hook &&
test_expect_code 129 git hook run &&
test_expect_code 129 git hook run -h &&
test_expect_code 129 git hook run --unknown 2>err &&
grep "unknown option" err
'
test_expect_success 'git hook run: nonexistent hook' '
cat >stderr.expect <<-\EOF &&
error: cannot find a hook named test-hook
EOF
test_expect_code 1 git hook run test-hook 2>stderr.actual &&
test_cmp stderr.expect stderr.actual
'
test_expect_success 'git hook run: nonexistent hook with --ignore-missing' '
git hook run --ignore-missing does-not-exist 2>stderr.actual &&
test_must_be_empty stderr.actual
'
test_expect_success 'git hook run: basic' '
test_hook test-hook <<-EOF &&
echo Test hook
EOF
cat >expect <<-\EOF &&
Test hook
EOF
git hook run test-hook 2>actual &&
test_cmp expect actual
'
test_expect_success 'git hook run: stdout and stderr both write to our stderr' '
test_hook test-hook <<-EOF &&
echo >&1 Will end up on stderr
echo >&2 Will end up on stderr
EOF
cat >stderr.expect <<-\EOF &&
Will end up on stderr
Will end up on stderr
EOF
git hook run test-hook >stdout.actual 2>stderr.actual &&
test_cmp stderr.expect stderr.actual &&
test_must_be_empty stdout.actual
'
test_expect_success 'git hook run: exit codes are passed along' '
write_script .git/hooks/test-hook <<-EOF &&
exit 1
EOF
test_expect_code 1 git hook run test-hook &&
write_script .git/hooks/test-hook <<-EOF &&
exit 2
EOF
test_expect_code 2 git hook run test-hook &&
write_script .git/hooks/test-hook <<-EOF &&
exit 128
EOF
test_expect_code 128 git hook run test-hook &&
write_script .git/hooks/test-hook <<-EOF &&
exit 129
EOF
test_expect_code 129 git hook run test-hook
'
test_expect_success 'git hook run arg u ments without -- is not allowed' '
test_expect_code 129 git hook run test-hook arg u ments
'
test_expect_success 'git hook run -- pass arguments' '
test_hook test-hook <<-\EOF &&
echo $1
echo $2
EOF
cat >expect <<-EOF &&
arg
u ments
EOF
git hook run test-hook -- arg "u ments" 2>actual &&
test_cmp expect actual
'
test_expect_success 'git hook run -- out-of-repo runs excluded' '
test_hook test-hook <<-EOF &&
echo Test hook
EOF
nongit test_must_fail git hook run test-hook
'
test_expect_success 'git -c core.hooksPath=<PATH> hook run' '
mkdir my-hooks &&
write_script my-hooks/test-hook <<-\EOF &&
echo Hook ran $1 >>actual
EOF
cat >expect <<-\EOF &&
Test hook
Hook ran one
Hook ran two
Hook ran three
Hook ran four
EOF
test_hook test-hook <<-EOF &&
echo Test hook
EOF
# Test various ways of specifying the path. See also
# t1350-config-hooks-path.sh
>actual &&
git hook run test-hook -- ignored 2>>actual &&
git -c core.hooksPath=my-hooks hook run test-hook -- one 2>>actual &&
git -c core.hooksPath=my-hooks/ hook run test-hook -- two 2>>actual &&
git -c core.hooksPath="$PWD/my-hooks" hook run test-hook -- three 2>>actual &&
git -c core.hooksPath="$PWD/my-hooks/" hook run test-hook -- four 2>>actual &&
test_cmp expect actual
'
test_done