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test-lib: make test_expect_code a test command

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Change test_expect_code to be a normal test command instead of a
top-level command.

As a top-level command it would fail in cases like:

    test_expect_code 1 'phoney' '
        foo && bar && (exit 1)
    '

Here the test might incorrectly succeed if "foo" or "bar" happened to
fail with exit status 1. Instead we now do:

    test_expect_success 'phoney' '
        foo && bar && test_expect_code 1 "(exit 1)"
    '

Which will only succeed if "foo" and "bar" return status 0, and "(exit
1)" returns status 1.  Note that test_expect_code has been made slightly
noisier, as it reports the exit code it receives even upon success.

Some test code in t0000-basic.sh relied on the old semantics of
test_expect_code to test the test_when_finished command. I've
converted that code to use an external test similar to the TODO test I
added in v1.7.3-rc0~2^2~3.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Acked-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason
2010-10-03 13:59:59 -06:00
committed by Junio C Hamano
parent 6db2103f92
commit 892e6f7ea6
5 changed files with 82 additions and 38 deletions
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40
t/test-lib.sh
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@ -473,24 +473,6 @@ test_expect_success () {
echo >&3 ""
}
test_expect_code () {
test "$#" = 4 && { prereq=$1; shift; } || prereq=
test "$#" = 3 ||
error "bug in the test script: not 3 or 4 parameters to test-expect-code"
if ! test_skip "$@"
then
say >&3 "expecting exit code $1: $3"
test_run_ "$3"
if [ "$?" = 0 -a "$eval_ret" = "$1" ]
then
test_ok_ "$2"
else
test_failure_ "$@"
fi
fi
echo >&3 ""
}
# test_external runs external test scripts that provide continuous
# test output about their progress, and succeeds/fails on
# zero/non-zero exit code. It outputs the test output on stdout even
@ -658,6 +640,28 @@ test_might_fail () {
return 0
}
# Similar to test_must_fail and test_might_fail, but check that a
# given command exited with a given exit code. Meant to be used as:
#
# test_expect_success 'Merge with d/f conflicts' '
# test_expect_code 1 git merge "merge msg" B master
# '
test_expect_code () {
want_code=$1
shift
"$@"
exit_code=$?
if test $exit_code = $want_code
then
echo >&2 "test_expect_code: command exited with $exit_code: $*"
return 0
else
echo >&2 "test_expect_code: command exited with $exit_code, we wanted $want_code $*"
return 1
fi
}
# test_cmp is a helper function to compare actual and expected output.
# You can use it like:
#