зеркало из https://github.com/microsoft/git.git
test-lib: simplify by removing test_external
Remove the "test_external" function added in [1]. This arguably makes the output of t9700-perl-git.sh and friends worse. But as we'll argue below the trade-off is worth it, since "chaining" to another TAP emitter in test-lib.sh is more trouble than it's worth. The new output of t9700-perl-git.sh is now: $ ./t9700-perl-git.sh ok 1 - set up test repository ok 2 - use t9700/test.pl to test Git.pm # passed all 2 test(s) 1..2 Whereas before this change it would be: $ ./t9700-perl-git.sh ok 1 - set up test repository # run 1: Perl API (perl /home/avar/g/git/t/t9700/test.pl) ok 2 - use Git; [... omitting tests 3..46 from t/t9700/test.pl ...] ok 47 - unquote escape sequences 1..47 # test_external test Perl API was ok # test_external_without_stderr test no stderr: Perl API was ok At the time of its addition supporting "test_external" was easy, but when test-lib.sh itself started to emit TAP in [2] we needed to make everything surrounding the emission of the plan consider "test_external". I added that support in [2] so that we could run: prove ./t9700-perl-git.sh :: -v But since then in [3] the door has been closed on combining $HARNESS_ACTIVE and -v, we'll now just die: $ prove ./t9700-perl-git.sh :: -v Bailout called. Further testing stopped: verbose mode forbidden under TAP harness; try --verbose-log FAILED--Further testing stopped: verbose mode forbidden under TAP harness; try --verbose-log So the only use of this has been that *if* we had failure in one of these tests we could e.g. in CI see which test failed based on the test number. Now we'll need to look at the full verbose logs to get that same information. I think this trade-off is acceptable given the reduction in complexity, and it brings these tests in line with other similar tests, e.g. the reftable tests added in [4] will be condensed down to just one test, which invokes the C helper: $ ./t0032-reftable-unittest.sh ok 1 - unittests # passed all 1 test(s) 1..1 It would still be nice to have that ":: -v" form work again, it never *really* worked, but even though we've had edge cases test output screwing up the TAP it mostly worked betweend998bd4ab6and [3], so we may have been overzealous in forbidding it outright. I have local patches which I'm planning to submit sooner than later that get us to that goal, and in a way that isn't buggy. In the meantime getting rid of this special case makes hacking on this area of test-lib.sh easier, as we'll do in subsequent commits. The switch from "perl" to "$PERL_PATH" here is because "perl" is defined as a shell function in the test suite, seea5bf824f3b(t: prevent '-x' tracing from interfering with test helpers' stderr, 2018-02-25). On e.g. the OSX CI the "command perl"... will be part of the emitted stderr. 1.fb32c41008(t/test-lib.sh: add test_external and test_external_without_stderr, 2008-06-19) 2.d998bd4ab6(test-lib: Make the test_external_* functions TAP-aware, 2010-06-24) 3.614fe01521(test-lib: bail out when "-v" used under "prove", 2016-10-22) 4.ef8a6c6268(reftable: utility functions, 2021-10-07) Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason
Junio C Hamano
Родитель
64f3f5a3f6
Коммит
5beca49a0b
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@ -13,13 +13,10 @@
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'set up test repository' \
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'git config --add gpg.program test.git-config-gpg'
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# The external test will outputs its own plan
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test_external_has_tap=1
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export PERL5LIB="$GITPERLLIB"
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test_external \
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'git-credential-netrc' \
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test_expect_success 'git-credential-netrc' '
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perl "$GIT_BUILD_DIR"/contrib/credential/netrc/test.pl
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'
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test_done
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)
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26
t/README
26
t/README
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@ -938,32 +938,6 @@ see test-lib-functions.sh for the full list and their options.
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test_done
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fi
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- test_external [<prereq>] <message> <external> <script>
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Execute a <script> with an <external> interpreter (like perl). This
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was added for tests like t9700-perl-git.sh which do most of their
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work in an external test script.
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test_external \
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'GitwebCache::*FileCache*' \
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perl "$TEST_DIRECTORY"/t9503/test_cache_interface.pl
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If the test is outputting its own TAP you should set the
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test_external_has_tap variable somewhere before calling the first
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test_external* function. See t9700-perl-git.sh for an example.
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# The external test will outputs its own plan
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test_external_has_tap=1
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- test_external_without_stderr [<prereq>] <message> <external> <script>
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Like test_external but fail if there's any output on stderr,
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instead of checking the exit code.
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test_external_without_stderr \
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'Perl API' \
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perl "$TEST_DIRECTORY"/t9700/test.pl
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- test_expect_code <exit-code> <command>
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Run a command and ensure that it exits with the given exit code.
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@ -10,11 +10,9 @@ TEST_PASSES_SANITIZE_LEAK=true
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. "$TEST_DIRECTORY"/lib-perl.sh
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skip_all_if_no_Test_More
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# The external test will outputs its own plan
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test_external_has_tap=1
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test_external_without_stderr \
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'Perl Git::I18N API' \
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perl "$TEST_DIRECTORY"/t0202/test.pl
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test_expect_success 'run t0202/test.pl to test Git::I18N.pm' '
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"$PERL_PATH" "$TEST_DIRECTORY"/t0202/test.pl 2>stderr &&
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test_must_be_empty stderr
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'
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test_done
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@ -43,11 +43,9 @@ test_expect_success \
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git config --add test.pathmulti bar
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'
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# The external test will outputs its own plan
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test_external_has_tap=1
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test_external_without_stderr \
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'Perl API' \
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perl "$TEST_DIRECTORY"/t9700/test.pl
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test_expect_success 'use t9700/test.pl to test Git.pm' '
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"$PERL_PATH" "$TEST_DIRECTORY"/t9700/test.pl 2>stderr &&
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test_must_be_empty stderr
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'
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test_done
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@ -633,7 +633,7 @@ test_hook () {
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# - Explicitly using test_have_prereq.
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#
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# - Implicitly by specifying the prerequisite tag in the calls to
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# test_expect_{success,failure} and test_external{,_without_stderr}.
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# test_expect_{success,failure}
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#
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# The single parameter is the prerequisite tag (a simple word, in all
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# capital letters by convention).
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@ -836,93 +836,6 @@ test_expect_success () {
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test_finish_
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}
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# test_external runs external test scripts that provide continuous
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# test output about their progress, and succeeds/fails on
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# zero/non-zero exit code. It outputs the test output on stdout even
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# in non-verbose mode, and announces the external script with "# run
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# <n>: ..." before running it. When providing relative paths, keep in
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# mind that all scripts run in "trash directory".
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# Usage: test_external description command arguments...
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# Example: test_external 'Perl API' perl ../path/to/test.pl
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test_external () {
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test "$#" = 4 && { test_prereq=$1; shift; } || test_prereq=
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test "$#" = 3 ||
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BUG "not 3 or 4 parameters to test_external"
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descr="$1"
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shift
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test_verify_prereq
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export test_prereq
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if ! test_skip "$descr" "$@"
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then
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# Announce the script to reduce confusion about the
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# test output that follows.
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say_color "" "# run $test_count: $descr ($*)"
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# Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
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# to be able to use them in script
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export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
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# Run command; redirect its stderr to &4 as in
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# test_run_, but keep its stdout on our stdout even in
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# non-verbose mode.
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"$@" 2>&4
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if test "$?" = 0
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then
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if test $test_external_has_tap -eq 0; then
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test_ok_ "$descr"
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else
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say_color "" "# test_external test $descr was ok"
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test_success=$(($test_success + 1))
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fi
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else
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if test $test_external_has_tap -eq 0; then
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test_failure_ "$descr" "$@"
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else
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say_color error "# test_external test $descr failed: $@"
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test_failure=$(($test_failure + 1))
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fi
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fi
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fi
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}
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# Like test_external, but in addition tests that the command generated
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# no output on stderr.
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test_external_without_stderr () {
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# The temporary file has no (and must have no) security
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# implications.
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tmp=${TMPDIR:-/tmp}
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stderr="$tmp/git-external-stderr.$$.tmp"
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test_external "$@" 4> "$stderr"
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test -f "$stderr" || error "Internal error: $stderr disappeared."
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descr="no stderr: $1"
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shift
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say >&3 "# expecting no stderr from previous command"
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if test ! -s "$stderr"
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then
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rm "$stderr"
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if test $test_external_has_tap -eq 0; then
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test_ok_ "$descr"
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else
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say_color "" "# test_external_without_stderr test $descr was ok"
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test_success=$(($test_success + 1))
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fi
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else
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if test "$verbose" = t
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then
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output=$(echo; echo "# Stderr is:"; cat "$stderr")
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else
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output=
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fi
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# rm first in case test_failure exits.
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rm "$stderr"
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if test $test_external_has_tap -eq 0; then
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test_failure_ "$descr" "$@" "$output"
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else
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say_color error "# test_external_without_stderr test $descr failed: $@: $output"
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test_failure=$(($test_failure + 1))
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fi
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fi
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}
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# debugging-friendly alternatives to "test [-f|-d|-e]"
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# The commands test the existence or non-existence of $1
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test_path_is_file () {
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@ -1231,27 +1231,24 @@ test_done () {
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fi
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case "$test_failure" in
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0)
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if test $test_external_has_tap -eq 0
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if test $test_remaining -gt 0
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then
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if test $test_remaining -gt 0
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then
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say_color pass "# passed all $msg"
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fi
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# Maybe print SKIP message
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test -z "$skip_all" || skip_all="# SKIP $skip_all"
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case "$test_count" in
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0)
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say "1..$test_count${skip_all:+ $skip_all}"
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;;
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*)
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test -z "$skip_all" ||
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say_color warn "$skip_all"
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say "1..$test_count"
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;;
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esac
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say_color pass "# passed all $msg"
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fi
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# Maybe print SKIP message
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test -z "$skip_all" || skip_all="# SKIP $skip_all"
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case "$test_count" in
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0)
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say "1..$test_count${skip_all:+ $skip_all}"
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;;
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*)
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test -z "$skip_all" ||
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say_color warn "$skip_all"
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say "1..$test_count"
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;;
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esac
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if test -n "$stress" && test -n "$invert_exit_code"
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then
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# We're about to move our "$TRASH_DIRECTORY"
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@ -1286,11 +1283,8 @@ test_done () {
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exit 0 ;;
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*)
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if test $test_external_has_tap -eq 0
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then
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say_color error "# failed $test_failure among $msg"
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say "1..$test_count"
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fi
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say_color error "# failed $test_failure among $msg"
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say "1..$test_count"
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if test -n "$invert_exit_code"
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then
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