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#!/bin/sh
#
# Copyright (c) 2011 Thomas Rast
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see http://www.gnu.org/licenses/ .
# do the --tee work early; it otherwise confuses our careful
# GIT_BUILD_DIR mangling
case "$GIT_TEST_TEE_STARTED, $* " in
done,*)
# do not redirect again
;;
*' --tee '*|*' --va'*)
mkdir -p test-results
BASE=test-results/$(basename "$0" .sh)
(GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
echo $? > $BASE.exit) | tee $BASE.out
test "$(cat $BASE.exit)" = 0
exit
;;
esac
TEST_DIRECTORY=$(pwd)/..
TEST_OUTPUT_DIRECTORY=$(pwd)
if test -z "$GIT_TEST_INSTALLED"; then
perf_results_prefix=
else
perf_results_prefix=$(printf "%s" "${GIT_TEST_INSTALLED%/bin-wrappers}" | tr -c "[a-zA-Z0-9]" "[_*]")"."
# make the tested dir absolute
GIT_TEST_INSTALLED=$(cd "$GIT_TEST_INSTALLED" && pwd)
fi
TEST_NO_CREATE_REPO=t
TEST_NO_MALLOC_CHECK=t
. ../test-lib.sh
# Variables from test-lib that are normally internal to the tests; we
# need to export them for test_perf subshells
export TEST_DIRECTORY TRASH_DIRECTORY GIT_BUILD_DIR GIT_TEST_CMP
perf_results_dir=$TEST_OUTPUT_DIRECTORY/test-results
mkdir -p "$perf_results_dir"
rm -f "$perf_results_dir"/$(basename "$0" .sh).subtests
if test -z "$GIT_PERF_REPEAT_COUNT"; then
GIT_PERF_REPEAT_COUNT=3
fi
die_if_build_dir_not_repo () {
if ! ( cd "$TEST_DIRECTORY/.." &&
git rev-parse --build-dir >/dev/null 2>&1 ); then
error "No $1 defined, and your build directory is not a repo"
fi
}
if test -z "$GIT_PERF_REPO"; then
die_if_build_dir_not_repo '$GIT_PERF_REPO'
GIT_PERF_REPO=$TEST_DIRECTORY/..
fi
if test -z "$GIT_PERF_LARGE_REPO"; then
die_if_build_dir_not_repo '$GIT_PERF_LARGE_REPO'
GIT_PERF_LARGE_REPO=$TEST_DIRECTORY/..
fi
test_perf_create_repo_from () {
test "$#" = 2 ||
error "bug in the test script: not 2 parameters to test-create-repo"
repo="$1"
source="$2"
source_git=$source/$(cd "$source" && git rev-parse --git-dir)
mkdir -p "$repo/.git"
(
cd "$repo/.git" &&
{ cp -Rl "$source_git/objects" . 2>/dev/null ||
cp -R "$source_git/objects" .; } &&
for stuff in "$source_git"/*; do
case "$stuff" in
*/objects|*/hooks|*/config)
;;
*)
cp -R "$stuff" . || break
;;
esac
done &&
cd .. &&
git init -q &&
mv .git/hooks .git/hooks-disabled 2>/dev/null
) || error "failed to copy repository '$source' to '$repo'"
}
# call at least one of these to establish an appropriately-sized repository
test_perf_default_repo () {
test_perf_create_repo_from "${1:-$TRASH_DIRECTORY}" "$GIT_PERF_REPO"
}
test_perf_large_repo () {
if test "$GIT_PERF_LARGE_REPO" = "$GIT_BUILD_DIR"; then
echo "warning: \$GIT_PERF_LARGE_REPO is \$GIT_BUILD_DIR." >&2
echo "warning: This will work, but may not be a sufficiently large repo" >&2
echo "warning: for representative measurements." >&2
fi
test_perf_create_repo_from "${1:-$TRASH_DIRECTORY}" "$GIT_PERF_LARGE_REPO"
}
test_checkout_worktree () {
git checkout-index -u -a ||
error "git checkout-index failed"
}
# Performance tests should never fail. If they do, stop immediately
immediate=t
test_run_perf_ () {
test_cleanup=:
test_export_="test_cleanup"
export test_cleanup test_export_
/usr/bin/time -f "%E %U %S" -o test_time.$i "$SHELL" -c '
. '"$TEST_DIRECTORY"/test-lib-functions.sh'
test_export () {
[ $# != 0 ] || return 0
test_export_="$test_export_\\|$1"
shift
test_export "$@"
}
'"$1"'
ret=$?
set | sed -n "s'"/'/'\\\\''/g"';s/^\\($test_export_\\)/export '"'&'"'/p" >test_vars
exit $ret' >&3 2>&4
eval_ret=$?
if test $eval_ret = 0 || test -n "$expecting_failure"
then
test_eval_ "$test_cleanup"
. ./test_vars || error "failed to load updated environment"
fi
if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"; then
echo ""
fi
return "$eval_ret"
}
test_perf () {
test_start_
test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
test "$#" = 2 ||
error "bug in the test script: not 2 or 3 parameters to test-expect-success"
export test_prereq
if ! test_skip "$@"
then
base=$(basename "$0" .sh)
echo "$test_count" >>"$perf_results_dir"/$base.subtests
echo "$1" >"$perf_results_dir"/$base.$test_count.descr
if test -z "$verbose"; then
printf "%s" "perf $test_count - $1:"
else
echo "perf $test_count - $1:"
fi
for i in $(test_seq 1 $GIT_PERF_REPEAT_COUNT); do
say >&3 "running: $2"
if test_run_perf_ "$2"
then
if test -z "$verbose"; then
printf " %s" "$i"
else
echo "* timing run $i/$GIT_PERF_REPEAT_COUNT:"
fi
else
test -z "$verbose" && echo
test_failure_ "$@"
break
fi
done
if test -z "$verbose"; then
echo " ok"
else
test_ok_ "$1"
fi
base="$perf_results_dir"/"$perf_results_prefix$(basename "$0" .sh)"."$test_count"
"$TEST_DIRECTORY"/perf/min_time.perl test_time.* >"$base".times
fi
test_finish_
}
# We extend test_done to print timings at the end (./run disables this
# and does it after running everything)
test_at_end_hook_ () {
if test -z "$GIT_PERF_AGGREGATING_LATER"; then
( cd "$TEST_DIRECTORY"/perf && ./aggregate.perl $(basename "$0") )
fi
}
test_export () {
export "$@"
}
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