93ba78d6f4
This causes cgit to serve error pages, which is undesirable. This reverts commit5229c9b232, reversing changes made tof2b211131f.
247 lines
6.5 KiB
Bash
247 lines
6.5 KiB
Bash
# Performance testing framework. Each perf script starts much like
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# a normal test script, except it sources this library instead of
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# test-lib.sh. See t/perf/README for documentation.
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#
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# Copyright (c) 2011 Thomas Rast
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see http://www.gnu.org/licenses/ .
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# These variables must be set before the inclusion of test-lib.sh below,
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# because it will change our working directory.
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TEST_DIRECTORY=$(pwd)/..
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TEST_OUTPUT_DIRECTORY=$(pwd)
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TEST_NO_CREATE_REPO=t
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TEST_NO_MALLOC_CHECK=t
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. ../test-lib.sh
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if test -n "$GIT_TEST_INSTALLED" -a -z "$PERF_SET_GIT_TEST_INSTALLED"
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then
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error "Do not use GIT_TEST_INSTALLED with the perf tests.
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Instead use:
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./run <path-to-git> -- <tests>
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See t/perf/README for details."
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fi
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# Variables from test-lib that are normally internal to the tests; we
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# need to export them for test_perf subshells
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export TEST_DIRECTORY TRASH_DIRECTORY GIT_BUILD_DIR GIT_TEST_CMP
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MODERN_GIT=$GIT_BUILD_DIR/bin-wrappers/git
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export MODERN_GIT
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perf_results_dir=$TEST_OUTPUT_DIRECTORY/test-results
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test -n "$GIT_PERF_SUBSECTION" && perf_results_dir="$perf_results_dir/$GIT_PERF_SUBSECTION"
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mkdir -p "$perf_results_dir"
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rm -f "$perf_results_dir"/$(basename "$0" .sh).subtests
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die_if_build_dir_not_repo () {
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if ! ( cd "$TEST_DIRECTORY/.." &&
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git rev-parse --build-dir >/dev/null 2>&1 ); then
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error "No $1 defined, and your build directory is not a repo"
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fi
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}
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if test -z "$GIT_PERF_REPO"; then
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die_if_build_dir_not_repo '$GIT_PERF_REPO'
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GIT_PERF_REPO=$TEST_DIRECTORY/..
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fi
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if test -z "$GIT_PERF_LARGE_REPO"; then
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die_if_build_dir_not_repo '$GIT_PERF_LARGE_REPO'
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GIT_PERF_LARGE_REPO=$TEST_DIRECTORY/..
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fi
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test_perf_do_repo_symlink_config_ () {
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test_have_prereq SYMLINKS || git config core.symlinks false
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}
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test_perf_create_repo_from () {
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test "$#" = 2 ||
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BUG "not 2 parameters to test-create-repo"
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repo="$1"
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source="$2"
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source_git="$("$MODERN_GIT" -C "$source" rev-parse --git-dir)"
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objects_dir="$("$MODERN_GIT" -C "$source" rev-parse --git-path objects)"
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mkdir -p "$repo/.git"
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(
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cd "$source" &&
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{ cp -Rl "$objects_dir" "$repo/.git/" 2>/dev/null ||
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cp -R "$objects_dir" "$repo/.git/"; } &&
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for stuff in "$source_git"/*; do
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case "$stuff" in
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*/objects|*/hooks|*/config|*/commondir)
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;;
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*)
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cp -R "$stuff" "$repo/.git/" || exit 1
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;;
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esac
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done
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) &&
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(
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cd "$repo" &&
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"$MODERN_GIT" init -q &&
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test_perf_do_repo_symlink_config_ &&
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mv .git/hooks .git/hooks-disabled 2>/dev/null &&
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if test -f .git/index.lock
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then
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# We may be copying a repo that can't run "git
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# status" due to a locked index. Since we have
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# a copy it's fine to remove the lock.
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rm .git/index.lock
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fi
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) || error "failed to copy repository '$source' to '$repo'"
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}
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# call at least one of these to establish an appropriately-sized repository
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test_perf_fresh_repo () {
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repo="${1:-$TRASH_DIRECTORY}"
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"$MODERN_GIT" init -q "$repo" &&
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(
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cd "$repo" &&
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test_perf_do_repo_symlink_config_
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)
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}
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test_perf_default_repo () {
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test_perf_create_repo_from "${1:-$TRASH_DIRECTORY}" "$GIT_PERF_REPO"
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}
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test_perf_large_repo () {
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if test "$GIT_PERF_LARGE_REPO" = "$GIT_BUILD_DIR"; then
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echo "warning: \$GIT_PERF_LARGE_REPO is \$GIT_BUILD_DIR." >&2
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echo "warning: This will work, but may not be a sufficiently large repo" >&2
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echo "warning: for representative measurements." >&2
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fi
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test_perf_create_repo_from "${1:-$TRASH_DIRECTORY}" "$GIT_PERF_LARGE_REPO"
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}
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test_checkout_worktree () {
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git checkout-index -u -a ||
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error "git checkout-index failed"
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}
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# Performance tests should never fail. If they do, stop immediately
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immediate=t
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# Perf tests require GNU time
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case "$(uname -s)" in Darwin) GTIME="${GTIME:-gtime}";; esac
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GTIME="${GTIME:-/usr/bin/time}"
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test_run_perf_ () {
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test_cleanup=:
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test_export_="test_cleanup"
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export test_cleanup test_export_
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"$GTIME" -f "%E %U %S" -o test_time.$i "$SHELL" -c '
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. '"$TEST_DIRECTORY"/test-lib-functions.sh'
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test_export () {
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[ $# != 0 ] || return 0
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test_export_="$test_export_\\|$1"
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shift
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test_export "$@"
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}
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'"$1"'
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ret=$?
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set | sed -n "s'"/'/'\\\\''/g"';s/^\\($test_export_\\)/export '"'&'"'/p" >test_vars
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exit $ret' >&3 2>&4
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eval_ret=$?
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if test $eval_ret = 0 || test -n "$expecting_failure"
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then
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test_eval_ "$test_cleanup"
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. ./test_vars || error "failed to load updated environment"
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fi
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if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"; then
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echo ""
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fi
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return "$eval_ret"
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}
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test_wrapper_ () {
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test_wrapper_func_=$1; shift
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test_start_
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test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
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test "$#" = 2 ||
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BUG "not 2 or 3 parameters to test-expect-success"
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export test_prereq
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if ! test_skip "$@"
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then
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base=$(basename "$0" .sh)
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echo "$test_count" >>"$perf_results_dir"/$base.subtests
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echo "$1" >"$perf_results_dir"/$base.$test_count.descr
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base="$perf_results_dir"/"$PERF_RESULTS_PREFIX$(basename "$0" .sh)"."$test_count"
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"$test_wrapper_func_" "$@"
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fi
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test_finish_
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}
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test_perf_ () {
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if test -z "$verbose"; then
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printf "%s" "perf $test_count - $1:"
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else
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echo "perf $test_count - $1:"
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fi
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for i in $(test_seq 1 $GIT_PERF_REPEAT_COUNT); do
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say >&3 "running: $2"
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if test_run_perf_ "$2"
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then
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if test -z "$verbose"; then
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printf " %s" "$i"
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else
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echo "* timing run $i/$GIT_PERF_REPEAT_COUNT:"
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fi
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else
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test -z "$verbose" && echo
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test_failure_ "$@"
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break
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fi
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done
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if test -z "$verbose"; then
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echo " ok"
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else
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test_ok_ "$1"
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fi
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"$TEST_DIRECTORY"/perf/min_time.perl test_time.* >"$base".times
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}
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test_perf () {
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test_wrapper_ test_perf_ "$@"
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}
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test_size_ () {
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say >&3 "running: $2"
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if test_eval_ "$2" 3>"$base".size; then
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test_ok_ "$1"
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else
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test_failure_ "$@"
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fi
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}
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test_size () {
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test_wrapper_ test_size_ "$@"
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}
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# We extend test_done to print timings at the end (./run disables this
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# and does it after running everything)
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test_at_end_hook_ () {
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if test -z "$GIT_PERF_AGGREGATING_LATER"; then
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( cd "$TEST_DIRECTORY"/perf && ./aggregate.perl $(basename "$0") )
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fi
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}
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test_export () {
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export "$@"
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}
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