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git/t/test-lib.sh
Junio C Hamano 04ece59399 GIT_SKIP_TESTS: allow users to omit tests that are known to break
In some environments, certain tests have no way of succeeding
due to platform limitation, such as lack of 'unzip' program, or
filesystem that do not allow arbitrary sequence of non-NUL bytes
as pathnames.

You should be able to say something like

	$ cd t
	$ GIT_SKIP_TESTS=t9200.8 t9200-git-cvsexport-commit.sh

and even:

	$ GIT_SKIP_TESTS='t[0-4]??? t91?? t9200.8' make test

to omit such tests.  The value of the environment variable is a
SP separated list of patterns that tells which tests to skip,
and either can match the "t[0-9]{4}" part to skip the whole
test, or t[0-9]{4} followed by ".$number" to say which
particular test to skip.

Note that some tests in the existing test suite rely on previous
test item, so you cannot arbitrarily disable one and expect the
remainder of test to check what the test originally was intended
to check.

Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-12-28 18:00:22 -08:00

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#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
# For repeatability, reset the environment to known value.
LANG=C
LC_ALL=C
PAGER=cat
TZ=UTC
export LANG LC_ALL PAGER TZ
EDITOR=:
VISUAL=:
unset AUTHOR_DATE
unset AUTHOR_EMAIL
unset AUTHOR_NAME
unset COMMIT_AUTHOR_EMAIL
unset COMMIT_AUTHOR_NAME
unset GIT_ALTERNATE_OBJECT_DIRECTORIES
unset GIT_AUTHOR_DATE
GIT_AUTHOR_EMAIL=author@example.com
GIT_AUTHOR_NAME='A U Thor'
unset GIT_COMMITTER_DATE
GIT_COMMITTER_EMAIL=committer@example.com
GIT_COMMITTER_NAME='C O Mitter'
unset GIT_DIFF_OPTS
unset GIT_DIR
unset GIT_EXTERNAL_DIFF
unset GIT_INDEX_FILE
unset GIT_OBJECT_DIRECTORY
unset SHA1_FILE_DIRECTORIES
unset SHA1_FILE_DIRECTORY
export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
export EDITOR VISUAL
case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
1|2|true)
echo "* warning: Some tests will not work if GIT_TRACE" \
"is set as to trace on STDERR ! *"
echo "* warning: Please set GIT_TRACE to something" \
"other than 1, 2 or true ! *"
;;
esac
# Each test should start with something like this, after copyright notices:
#
# test_description='Description of this test...
# This test checks if command xyzzy does the right thing...
# '
# . ./test-lib.sh
error () {
echo "* error: $*"
trap - exit
exit 1
}
say () {
echo "* $*"
}
test "${test_description}" != "" ||
error "Test script did not set test_description."
while test "$#" -ne 0
do
case "$1" in
-d|--d|--de|--deb|--debu|--debug)
debug=t; shift ;;
-i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
immediate=t; shift ;;
-h|--h|--he|--hel|--help)
echo "$test_description"
exit 0 ;;
-v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
verbose=t; shift ;;
--no-python)
# noop now...
shift ;;
*)
break ;;
esac
done
exec 5>&1
if test "$verbose" = "t"
then
exec 4>&2 3>&1
else
exec 4>/dev/null 3>/dev/null
fi
test_failure=0
test_count=0
trap 'echo >&5 "FATAL: Unexpected exit with code $?"; exit 1' exit
# You are not expected to call test_ok_ and test_failure_ directly, use
# the text_expect_* functions instead.
test_ok_ () {
test_count=$(expr "$test_count" + 1)
say " ok $test_count: $@"
}
test_failure_ () {
test_count=$(expr "$test_count" + 1)
test_failure=$(expr "$test_failure" + 1);
say "FAIL $test_count: $1"
shift
echo "$@" | sed -e 's/^/ /'
test "$immediate" = "" || { trap - exit; exit 1; }
}
test_debug () {
test "$debug" = "" || eval "$1"
}
test_run_ () {
eval >&3 2>&4 "$1"
eval_ret="$?"
return 0
}
test_skip () {
this_test=$(expr "./$0" : '.*/\(t[0-9]*\)-[^/]*$')
this_test="$this_test.$(expr "$test_count" + 1)"
to_skip=
for skp in $GIT_SKIP_TESTS
do
case "$this_test" in
$skp)
to_skip=t
esac
done
case "$to_skip" in
t)
say >&3 "skipping test: $@"
test_count=$(expr "$test_count" + 1)
say "skip $test_count: $1"
: true
;;
*)
false
;;
esac
}
test_expect_failure () {
test "$#" = 2 ||
error "bug in the test script: not 2 parameters to test-expect-failure"
if ! test_skip "$@"
then
say >&3 "expecting failure: $2"
test_run_ "$2"
if [ "$?" = 0 -a "$eval_ret" != 0 -a "$eval_ret" -lt 129 ]
then
test_ok_ "$1"
else
test_failure_ "$@"
fi
fi
echo >&3 ""
}
test_expect_success () {
test "$#" = 2 ||
error "bug in the test script: not 2 parameters to test-expect-success"
if ! test_skip "$@"
then
say >&3 "expecting success: $2"
test_run_ "$2"
if [ "$?" = 0 -a "$eval_ret" = 0 ]
then
test_ok_ "$1"
else
test_failure_ "$@"
fi
fi
echo >&3 ""
}
test_expect_code () {
test "$#" = 3 ||
error "bug in the test script: not 3 parameters to test-expect-code"
if ! test_skip "$@"
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 ""
}
# Most tests can use the created repository, but some amy need to create more.
# Usage: test_create_repo <directory>
test_create_repo () {
test "$#" = 1 ||
error "bug in the test script: not 1 parameter to test-create-repo"
owd=`pwd`
repo="$1"
mkdir "$repo"
cd "$repo" || error "Cannot setup test environment"
"$GIT_EXEC_PATH/git" init-db --template=$GIT_EXEC_PATH/templates/blt/ >/dev/null 2>&1 ||
error "cannot run git init-db -- have you built things yet?"
mv .git/hooks .git/hooks-disabled
cd "$owd"
}
test_done () {
trap - exit
case "$test_failure" in
0)
# We could:
# cd .. && rm -fr trash
# but that means we forbid any tests that use their own
# subdirectory from calling test_done without coming back
# to where they started from.
# The Makefile provided will clean this test area so
# we will leave things as they are.
say "passed all $test_count test(s)"
exit 0 ;;
*)
say "failed $test_failure among $test_count test(s)"
exit 1 ;;
esac
}
# Test the binaries we have just built. The tests are kept in
# t/ subdirectory and are run in trash subdirectory.
PATH=$(pwd)/..:$PATH
GIT_EXEC_PATH=$(pwd)/..
GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
HOME=$(pwd)/trash
export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR HOME
GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
export GITPERLLIB
test -d ../templates/blt || {
error "You haven't built things yet, have you?"
}
# Test repository
test=trash
rm -fr "$test"
test_create_repo $test
cd "$test"
this_test=$(expr "./$0" : '.*/\(t[0-9]*\)-[^/]*$')
for skp in $GIT_SKIP_TESTS
do
to_skip=
for skp in $GIT_SKIP_TESTS
do
case "$this_test" in
$skp)
to_skip=t
esac
done
case "$to_skip" in
t)
say >&3 "skipping test $this_test altogether"
say "skip all tests in $this_test"
test_done
esac
done