7aba2b7fd6
Code cleanup. * sg/test-squelch-noise-in-commit-bulk: test-lib-functions: suppress a 'git rev-parse' error in 'test_commit_bulk'
1519 lines
35 KiB
Bash
1519 lines
35 KiB
Bash
# Library of functions shared by all tests scripts, included by
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# test-lib.sh.
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#
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# Copyright (c) 2005 Junio C Hamano
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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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# The semantics of the editor variables are that of invoking
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# sh -c "$EDITOR \"$@\"" files ...
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#
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# If our trash directory contains shell metacharacters, they will be
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# interpreted if we just set $EDITOR directly, so do a little dance with
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# environment variables to work around this.
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#
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# In particular, quoting isn't enough, as the path may contain the same quote
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# that we're using.
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test_set_editor () {
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FAKE_EDITOR="$1"
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export FAKE_EDITOR
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EDITOR='"$FAKE_EDITOR"'
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export EDITOR
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}
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test_set_index_version () {
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GIT_INDEX_VERSION="$1"
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export GIT_INDEX_VERSION
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}
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test_decode_color () {
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awk '
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function name(n) {
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if (n == 0) return "RESET";
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if (n == 1) return "BOLD";
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if (n == 2) return "FAINT";
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if (n == 3) return "ITALIC";
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if (n == 7) return "REVERSE";
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if (n == 30) return "BLACK";
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if (n == 31) return "RED";
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if (n == 32) return "GREEN";
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if (n == 33) return "YELLOW";
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if (n == 34) return "BLUE";
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if (n == 35) return "MAGENTA";
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if (n == 36) return "CYAN";
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if (n == 37) return "WHITE";
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if (n == 40) return "BLACK";
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if (n == 41) return "BRED";
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if (n == 42) return "BGREEN";
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if (n == 43) return "BYELLOW";
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if (n == 44) return "BBLUE";
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if (n == 45) return "BMAGENTA";
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if (n == 46) return "BCYAN";
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if (n == 47) return "BWHITE";
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}
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{
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while (match($0, /\033\[[0-9;]*m/) != 0) {
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printf "%s<", substr($0, 1, RSTART-1);
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codes = substr($0, RSTART+2, RLENGTH-3);
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if (length(codes) == 0)
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printf "%s", name(0)
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else {
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n = split(codes, ary, ";");
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sep = "";
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for (i = 1; i <= n; i++) {
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printf "%s%s", sep, name(ary[i]);
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sep = ";"
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}
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}
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printf ">";
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$0 = substr($0, RSTART + RLENGTH, length($0) - RSTART - RLENGTH + 1);
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}
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print
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}
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'
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}
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lf_to_nul () {
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perl -pe 'y/\012/\000/'
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}
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nul_to_q () {
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perl -pe 'y/\000/Q/'
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}
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q_to_nul () {
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perl -pe 'y/Q/\000/'
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}
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q_to_cr () {
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tr Q '\015'
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}
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q_to_tab () {
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tr Q '\011'
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}
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qz_to_tab_space () {
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tr QZ '\011\040'
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}
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append_cr () {
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sed -e 's/$/Q/' | tr Q '\015'
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}
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remove_cr () {
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tr '\015' Q | sed -e 's/Q$//'
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}
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# Generate an output of $1 bytes of all zeroes (NULs, not ASCII zeroes).
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# If $1 is 'infinity', output forever or until the receiving pipe stops reading,
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# whichever comes first.
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generate_zero_bytes () {
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test-tool genzeros "$@"
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}
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# In some bourne shell implementations, the "unset" builtin returns
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# nonzero status when a variable to be unset was not set in the first
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# place.
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#
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# Use sane_unset when that should not be considered an error.
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sane_unset () {
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unset "$@"
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return 0
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}
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test_tick () {
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if test -z "${test_tick+set}"
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then
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test_tick=1112911993
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else
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test_tick=$(($test_tick + 60))
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fi
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GIT_COMMITTER_DATE="$test_tick -0700"
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GIT_AUTHOR_DATE="$test_tick -0700"
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export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
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}
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# Stop execution and start a shell. This is useful for debugging tests.
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#
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# Be sure to remove all invocations of this command before submitting.
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test_pause () {
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"$SHELL_PATH" <&6 >&5 2>&7
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}
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# Wrap git with a debugger. Adding this to a command can make it easier
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# to understand what is going on in a failing test.
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#
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# Examples:
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# debug git checkout master
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# debug --debugger=nemiver git $ARGS
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# debug -d "valgrind --tool=memcheck --track-origins=yes" git $ARGS
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debug () {
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case "$1" in
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-d)
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GIT_DEBUGGER="$2" &&
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shift 2
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;;
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--debugger=*)
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GIT_DEBUGGER="${1#*=}" &&
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shift 1
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;;
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*)
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GIT_DEBUGGER=1
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;;
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esac &&
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GIT_DEBUGGER="${GIT_DEBUGGER}" "$@" <&6 >&5 2>&7
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}
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# Call test_commit with the arguments
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# [-C <directory>] <message> [<file> [<contents> [<tag>]]]"
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#
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# This will commit a file with the given contents and the given commit
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# message, and tag the resulting commit with the given tag name.
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#
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# <file>, <contents>, and <tag> all default to <message>.
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#
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# If the first argument is "-C", the second argument is used as a path for
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# the git invocations.
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test_commit () {
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notick= &&
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signoff= &&
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indir= &&
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while test $# != 0
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do
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case "$1" in
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--notick)
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notick=yes
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;;
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--signoff)
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signoff="$1"
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;;
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-C)
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indir="$2"
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shift
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;;
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*)
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break
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;;
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esac
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shift
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done &&
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indir=${indir:+"$indir"/} &&
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file=${2:-"$1.t"} &&
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echo "${3-$1}" > "$indir$file" &&
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git ${indir:+ -C "$indir"} add "$file" &&
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if test -z "$notick"
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then
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test_tick
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fi &&
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git ${indir:+ -C "$indir"} commit $signoff -m "$1" &&
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git ${indir:+ -C "$indir"} tag "${4:-$1}"
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}
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# Call test_merge with the arguments "<message> <commit>", where <commit>
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# can be a tag pointing to the commit-to-merge.
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test_merge () {
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label="$1" &&
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shift &&
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test_tick &&
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git merge -m "$label" "$@" &&
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git tag "$label"
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}
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# Efficiently create <nr> commits, each with a unique number (from 1 to <nr>
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# by default) in the commit message.
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#
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# Usage: test_commit_bulk [options] <nr>
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# -C <dir>:
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# Run all git commands in directory <dir>
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# --ref=<n>:
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# ref on which to create commits (default: HEAD)
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# --start=<n>:
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# number commit messages from <n> (default: 1)
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# --message=<msg>:
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# use <msg> as the commit mesasge (default: "commit %s")
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# --filename=<fn>:
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# modify <fn> in each commit (default: %s.t)
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# --contents=<string>:
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# place <string> in each file (default: "content %s")
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# --id=<string>:
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# shorthand to use <string> and %s in message, filename, and contents
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#
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# The message, filename, and contents strings are evaluated by printf, with the
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# first "%s" replaced by the current commit number. So you can do:
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#
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# test_commit_bulk --filename=file --contents="modification %s"
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#
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# to have every commit touch the same file, but with unique content.
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#
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test_commit_bulk () {
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tmpfile=.bulk-commit.input
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indir=.
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ref=HEAD
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n=1
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message='commit %s'
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filename='%s.t'
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contents='content %s'
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while test $# -gt 0
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do
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case "$1" in
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-C)
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indir=$2
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shift
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;;
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--ref=*)
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ref=${1#--*=}
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;;
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--start=*)
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n=${1#--*=}
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;;
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--message=*)
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message=${1#--*=}
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;;
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--filename=*)
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filename=${1#--*=}
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;;
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--contents=*)
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contents=${1#--*=}
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;;
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--id=*)
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message="${1#--*=} %s"
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filename="${1#--*=}-%s.t"
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contents="${1#--*=} %s"
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;;
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-*)
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BUG "invalid test_commit_bulk option: $1"
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;;
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*)
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break
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;;
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esac
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shift
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done
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total=$1
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add_from=
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if git -C "$indir" rev-parse --quiet --verify "$ref"
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then
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add_from=t
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fi
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while test "$total" -gt 0
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do
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test_tick &&
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echo "commit $ref"
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printf 'author %s <%s> %s\n' \
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"$GIT_AUTHOR_NAME" \
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"$GIT_AUTHOR_EMAIL" \
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"$GIT_AUTHOR_DATE"
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printf 'committer %s <%s> %s\n' \
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"$GIT_COMMITTER_NAME" \
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"$GIT_COMMITTER_EMAIL" \
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"$GIT_COMMITTER_DATE"
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echo "data <<EOF"
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printf "$message\n" $n
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echo "EOF"
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if test -n "$add_from"
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then
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echo "from $ref^0"
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add_from=
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fi
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printf "M 644 inline $filename\n" $n
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echo "data <<EOF"
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printf "$contents\n" $n
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echo "EOF"
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echo
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n=$((n + 1))
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total=$((total - 1))
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done >"$tmpfile"
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git -C "$indir" \
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-c fastimport.unpacklimit=0 \
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fast-import <"$tmpfile" || return 1
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# This will be left in place on failure, which may aid debugging.
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rm -f "$tmpfile"
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# If we updated HEAD, then be nice and update the index and working
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# tree, too.
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if test "$ref" = "HEAD"
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then
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git -C "$indir" checkout -f HEAD || return 1
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fi
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}
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# This function helps systems where core.filemode=false is set.
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# Use it instead of plain 'chmod +x' to set or unset the executable bit
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# of a file in the working directory and add it to the index.
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test_chmod () {
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chmod "$@" &&
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git update-index --add "--chmod=$@"
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}
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# Get the modebits from a file.
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test_modebits () {
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ls -l "$1" | sed -e 's|^\(..........\).*|\1|'
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}
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# Unset a configuration variable, but don't fail if it doesn't exist.
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test_unconfig () {
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config_dir=
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if test "$1" = -C
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then
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shift
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config_dir=$1
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shift
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fi
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git ${config_dir:+-C "$config_dir"} config --unset-all "$@"
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config_status=$?
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case "$config_status" in
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5) # ok, nothing to unset
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config_status=0
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;;
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esac
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return $config_status
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}
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# Set git config, automatically unsetting it after the test is over.
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test_config () {
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config_dir=
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if test "$1" = -C
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then
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shift
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config_dir=$1
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shift
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fi
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test_when_finished "test_unconfig ${config_dir:+-C '$config_dir'} '$1'" &&
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git ${config_dir:+-C "$config_dir"} config "$@"
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}
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test_config_global () {
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test_when_finished "test_unconfig --global '$1'" &&
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git config --global "$@"
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}
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write_script () {
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{
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echo "#!${2-"$SHELL_PATH"}" &&
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cat
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} >"$1" &&
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chmod +x "$1"
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}
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# Use test_set_prereq to tell that a particular prerequisite is available.
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# The prerequisite can later be checked for in two ways:
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#
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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,code}.
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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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test_unset_prereq () {
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! test_have_prereq "$1" ||
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satisfied_prereq="${satisfied_prereq% $1 *} ${satisfied_prereq#* $1 }"
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}
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test_set_prereq () {
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if test -n "$GIT_TEST_FAIL_PREREQS_INTERNAL"
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then
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case "$1" in
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# The "!" case is handled below with
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# test_unset_prereq()
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!*)
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;;
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# (Temporary?) whitelist of things we can't easily
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# pretend not to support
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SYMLINKS)
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;;
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# Inspecting whether GIT_TEST_FAIL_PREREQS is on
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# should be unaffected.
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FAIL_PREREQS)
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;;
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*)
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return
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esac
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fi
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case "$1" in
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!*)
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test_unset_prereq "${1#!}"
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;;
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*)
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satisfied_prereq="$satisfied_prereq$1 "
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;;
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esac
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}
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satisfied_prereq=" "
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lazily_testable_prereq= lazily_tested_prereq=
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# Usage: test_lazy_prereq PREREQ 'script'
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test_lazy_prereq () {
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lazily_testable_prereq="$lazily_testable_prereq$1 "
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eval test_prereq_lazily_$1=\$2
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}
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test_run_lazy_prereq_ () {
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script='
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mkdir -p "$TRASH_DIRECTORY/prereq-test-dir" &&
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(
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cd "$TRASH_DIRECTORY/prereq-test-dir" &&'"$2"'
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)'
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say >&3 "checking prerequisite: $1"
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say >&3 "$script"
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test_eval_ "$script"
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eval_ret=$?
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rm -rf "$TRASH_DIRECTORY/prereq-test-dir"
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if test "$eval_ret" = 0; then
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say >&3 "prerequisite $1 ok"
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else
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say >&3 "prerequisite $1 not satisfied"
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fi
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return $eval_ret
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}
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test_have_prereq () {
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# prerequisites can be concatenated with ','
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save_IFS=$IFS
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IFS=,
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set -- $*
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IFS=$save_IFS
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total_prereq=0
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ok_prereq=0
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missing_prereq=
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|
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for prerequisite
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do
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case "$prerequisite" in
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!*)
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negative_prereq=t
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prerequisite=${prerequisite#!}
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;;
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*)
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negative_prereq=
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esac
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|
|
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case " $lazily_tested_prereq " in
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*" $prerequisite "*)
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;;
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*)
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case " $lazily_testable_prereq " in
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*" $prerequisite "*)
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eval "script=\$test_prereq_lazily_$prerequisite" &&
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if test_run_lazy_prereq_ "$prerequisite" "$script"
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then
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test_set_prereq $prerequisite
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fi
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lazily_tested_prereq="$lazily_tested_prereq$prerequisite "
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esac
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;;
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esac
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total_prereq=$(($total_prereq + 1))
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case "$satisfied_prereq" in
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*" $prerequisite "*)
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satisfied_this_prereq=t
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;;
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*)
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satisfied_this_prereq=
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esac
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|
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case "$satisfied_this_prereq,$negative_prereq" in
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t,|,t)
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ok_prereq=$(($ok_prereq + 1))
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;;
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*)
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# Keep a list of missing prerequisites; restore
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# the negative marker if necessary.
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prerequisite=${negative_prereq:+!}$prerequisite
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if test -z "$missing_prereq"
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then
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missing_prereq=$prerequisite
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else
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missing_prereq="$prerequisite,$missing_prereq"
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fi
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esac
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done
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|
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test $total_prereq = $ok_prereq
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}
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|
|
test_declared_prereq () {
|
|
case ",$test_prereq," in
|
|
*,$1,*)
|
|
return 0
|
|
;;
|
|
esac
|
|
return 1
|
|
}
|
|
|
|
test_verify_prereq () {
|
|
test -z "$test_prereq" ||
|
|
expr >/dev/null "$test_prereq" : '[A-Z0-9_,!]*$' ||
|
|
BUG "'$test_prereq' does not look like a prereq"
|
|
}
|
|
|
|
test_expect_failure () {
|
|
test_start_
|
|
test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
|
|
test "$#" = 2 ||
|
|
BUG "not 2 or 3 parameters to test-expect-failure"
|
|
test_verify_prereq
|
|
export test_prereq
|
|
if ! test_skip "$@"
|
|
then
|
|
say >&3 "checking known breakage of $TEST_NUMBER.$test_count '$1': $2"
|
|
if test_run_ "$2" expecting_failure
|
|
then
|
|
test_known_broken_ok_ "$1"
|
|
else
|
|
test_known_broken_failure_ "$1"
|
|
fi
|
|
fi
|
|
test_finish_
|
|
}
|
|
|
|
test_expect_success () {
|
|
test_start_
|
|
test "$#" = 3 && { test_prereq=$1; shift; } || test_prereq=
|
|
test "$#" = 2 ||
|
|
BUG "not 2 or 3 parameters to test-expect-success"
|
|
test_verify_prereq
|
|
export test_prereq
|
|
if ! test_skip "$@"
|
|
then
|
|
say >&3 "expecting success of $TEST_NUMBER.$test_count '$1': $2"
|
|
if test_run_ "$2"
|
|
then
|
|
test_ok_ "$1"
|
|
else
|
|
test_failure_ "$@"
|
|
fi
|
|
fi
|
|
test_finish_
|
|
}
|
|
|
|
# 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
|
|
# in non-verbose mode, and announces the external script with "# run
|
|
# <n>: ..." before running it. When providing relative paths, keep in
|
|
# mind that all scripts run in "trash directory".
|
|
# Usage: test_external description command arguments...
|
|
# Example: test_external 'Perl API' perl ../path/to/test.pl
|
|
test_external () {
|
|
test "$#" = 4 && { test_prereq=$1; shift; } || test_prereq=
|
|
test "$#" = 3 ||
|
|
BUG "not 3 or 4 parameters to test_external"
|
|
descr="$1"
|
|
shift
|
|
test_verify_prereq
|
|
export test_prereq
|
|
if ! test_skip "$descr" "$@"
|
|
then
|
|
# Announce the script to reduce confusion about the
|
|
# test output that follows.
|
|
say_color "" "# run $test_count: $descr ($*)"
|
|
# Export TEST_DIRECTORY, TRASH_DIRECTORY and GIT_TEST_LONG
|
|
# to be able to use them in script
|
|
export TEST_DIRECTORY TRASH_DIRECTORY GIT_TEST_LONG
|
|
# Run command; redirect its stderr to &4 as in
|
|
# test_run_, but keep its stdout on our stdout even in
|
|
# non-verbose mode.
|
|
"$@" 2>&4
|
|
if test "$?" = 0
|
|
then
|
|
if test $test_external_has_tap -eq 0; then
|
|
test_ok_ "$descr"
|
|
else
|
|
say_color "" "# test_external test $descr was ok"
|
|
test_success=$(($test_success + 1))
|
|
fi
|
|
else
|
|
if test $test_external_has_tap -eq 0; then
|
|
test_failure_ "$descr" "$@"
|
|
else
|
|
say_color error "# test_external test $descr failed: $@"
|
|
test_failure=$(($test_failure + 1))
|
|
fi
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# Like test_external, but in addition tests that the command generated
|
|
# no output on stderr.
|
|
test_external_without_stderr () {
|
|
# The temporary file has no (and must have no) security
|
|
# implications.
|
|
tmp=${TMPDIR:-/tmp}
|
|
stderr="$tmp/git-external-stderr.$$.tmp"
|
|
test_external "$@" 4> "$stderr"
|
|
test -f "$stderr" || error "Internal error: $stderr disappeared."
|
|
descr="no stderr: $1"
|
|
shift
|
|
say >&3 "# expecting no stderr from previous command"
|
|
if test ! -s "$stderr"
|
|
then
|
|
rm "$stderr"
|
|
|
|
if test $test_external_has_tap -eq 0; then
|
|
test_ok_ "$descr"
|
|
else
|
|
say_color "" "# test_external_without_stderr test $descr was ok"
|
|
test_success=$(($test_success + 1))
|
|
fi
|
|
else
|
|
if test "$verbose" = t
|
|
then
|
|
output=$(echo; echo "# Stderr is:"; cat "$stderr")
|
|
else
|
|
output=
|
|
fi
|
|
# rm first in case test_failure exits.
|
|
rm "$stderr"
|
|
if test $test_external_has_tap -eq 0; then
|
|
test_failure_ "$descr" "$@" "$output"
|
|
else
|
|
say_color error "# test_external_without_stderr test $descr failed: $@: $output"
|
|
test_failure=$(($test_failure + 1))
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# debugging-friendly alternatives to "test [-f|-d|-e]"
|
|
# The commands test the existence or non-existence of $1. $2 can be
|
|
# given to provide a more precise diagnosis.
|
|
test_path_is_file () {
|
|
if ! test -f "$1"
|
|
then
|
|
echo "File $1 doesn't exist. $2"
|
|
false
|
|
fi
|
|
}
|
|
|
|
test_path_is_dir () {
|
|
if ! test -d "$1"
|
|
then
|
|
echo "Directory $1 doesn't exist. $2"
|
|
false
|
|
fi
|
|
}
|
|
|
|
test_path_exists () {
|
|
if ! test -e "$1"
|
|
then
|
|
echo "Path $1 doesn't exist. $2"
|
|
false
|
|
fi
|
|
}
|
|
|
|
# Check if the directory exists and is empty as expected, barf otherwise.
|
|
test_dir_is_empty () {
|
|
test_path_is_dir "$1" &&
|
|
if test -n "$(ls -a1 "$1" | egrep -v '^\.\.?$')"
|
|
then
|
|
echo "Directory '$1' is not empty, it contains:"
|
|
ls -la "$1"
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
# Check if the file exists and has a size greater than zero
|
|
test_file_not_empty () {
|
|
if ! test -s "$1"
|
|
then
|
|
echo "'$1' is not a non-empty file."
|
|
false
|
|
fi
|
|
}
|
|
|
|
test_path_is_missing () {
|
|
if test -e "$1"
|
|
then
|
|
echo "Path exists:"
|
|
ls -ld "$1"
|
|
if test $# -ge 1
|
|
then
|
|
echo "$*"
|
|
fi
|
|
false
|
|
fi
|
|
}
|
|
|
|
# test_line_count checks that a file has the number of lines it
|
|
# ought to. For example:
|
|
#
|
|
# test_expect_success 'produce exactly one line of output' '
|
|
# do something >output &&
|
|
# test_line_count = 1 output
|
|
# '
|
|
#
|
|
# is like "test $(wc -l <output) = 1" except that it passes the
|
|
# output through when the number of lines is wrong.
|
|
|
|
test_line_count () {
|
|
if test $# != 3
|
|
then
|
|
BUG "not 3 parameters to test_line_count"
|
|
elif ! test $(wc -l <"$3") "$1" "$2"
|
|
then
|
|
echo "test_line_count: line count for $3 !$1 $2"
|
|
cat "$3"
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
# Returns success if a comma separated string of keywords ($1) contains a
|
|
# given keyword ($2).
|
|
# Examples:
|
|
# `list_contains "foo,bar" bar` returns 0
|
|
# `list_contains "foo" bar` returns 1
|
|
|
|
list_contains () {
|
|
case ",$1," in
|
|
*,$2,*)
|
|
return 0
|
|
;;
|
|
esac
|
|
return 1
|
|
}
|
|
|
|
# This is not among top-level (test_expect_success | test_expect_failure)
|
|
# but is a prefix that can be used in the test script, like:
|
|
#
|
|
# test_expect_success 'complain and die' '
|
|
# do something &&
|
|
# do something else &&
|
|
# test_must_fail git checkout ../outerspace
|
|
# '
|
|
#
|
|
# Writing this as "! git checkout ../outerspace" is wrong, because
|
|
# the failure could be due to a segv. We want a controlled failure.
|
|
#
|
|
# Accepts the following options:
|
|
#
|
|
# ok=<signal-name>[,<...>]:
|
|
# Don't treat an exit caused by the given signal as error.
|
|
# Multiple signals can be specified as a comma separated list.
|
|
# Currently recognized signal names are: sigpipe, success.
|
|
# (Don't use 'success', use 'test_might_fail' instead.)
|
|
|
|
test_must_fail () {
|
|
case "$1" in
|
|
ok=*)
|
|
_test_ok=${1#ok=}
|
|
shift
|
|
;;
|
|
*)
|
|
_test_ok=
|
|
;;
|
|
esac
|
|
"$@" 2>&7
|
|
exit_code=$?
|
|
if test $exit_code -eq 0 && ! list_contains "$_test_ok" success
|
|
then
|
|
echo >&4 "test_must_fail: command succeeded: $*"
|
|
return 1
|
|
elif test_match_signal 13 $exit_code && list_contains "$_test_ok" sigpipe
|
|
then
|
|
return 0
|
|
elif test $exit_code -gt 129 && test $exit_code -le 192
|
|
then
|
|
echo >&4 "test_must_fail: died by signal $(($exit_code - 128)): $*"
|
|
return 1
|
|
elif test $exit_code -eq 127
|
|
then
|
|
echo >&4 "test_must_fail: command not found: $*"
|
|
return 1
|
|
elif test $exit_code -eq 126
|
|
then
|
|
echo >&4 "test_must_fail: valgrind error: $*"
|
|
return 1
|
|
fi
|
|
return 0
|
|
} 7>&2 2>&4
|
|
|
|
# Similar to test_must_fail, but tolerates success, too. This is
|
|
# meant to be used in contexts like:
|
|
#
|
|
# test_expect_success 'some command works without configuration' '
|
|
# test_might_fail git config --unset all.configuration &&
|
|
# do something
|
|
# '
|
|
#
|
|
# Writing "git config --unset all.configuration || :" would be wrong,
|
|
# because we want to notice if it fails due to segv.
|
|
#
|
|
# Accepts the same options as test_must_fail.
|
|
|
|
test_might_fail () {
|
|
test_must_fail ok=success "$@" 2>&7
|
|
} 7>&2 2>&4
|
|
|
|
# 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=$1
|
|
shift
|
|
"$@" 2>&7
|
|
exit_code=$?
|
|
if test $exit_code = $want_code
|
|
then
|
|
return 0
|
|
fi
|
|
|
|
echo >&4 "test_expect_code: command exited with $exit_code, we wanted $want_code $*"
|
|
return 1
|
|
} 7>&2 2>&4
|
|
|
|
# test_cmp is a helper function to compare actual and expected output.
|
|
# You can use it like:
|
|
#
|
|
# test_expect_success 'foo works' '
|
|
# echo expected >expected &&
|
|
# foo >actual &&
|
|
# test_cmp expected actual
|
|
# '
|
|
#
|
|
# This could be written as either "cmp" or "diff -u", but:
|
|
# - cmp's output is not nearly as easy to read as diff -u
|
|
# - not all diff versions understand "-u"
|
|
|
|
test_cmp() {
|
|
$GIT_TEST_CMP "$@"
|
|
}
|
|
|
|
# Check that the given config key has the expected value.
|
|
#
|
|
# test_cmp_config [-C <dir>] <expected-value>
|
|
# [<git-config-options>...] <config-key>
|
|
#
|
|
# for example to check that the value of core.bar is foo
|
|
#
|
|
# test_cmp_config foo core.bar
|
|
#
|
|
test_cmp_config() {
|
|
local GD &&
|
|
if test "$1" = "-C"
|
|
then
|
|
shift &&
|
|
GD="-C $1" &&
|
|
shift
|
|
fi &&
|
|
printf "%s\n" "$1" >expect.config &&
|
|
shift &&
|
|
git $GD config "$@" >actual.config &&
|
|
test_cmp expect.config actual.config
|
|
}
|
|
|
|
# test_cmp_bin - helper to compare binary files
|
|
|
|
test_cmp_bin() {
|
|
cmp "$@"
|
|
}
|
|
|
|
# Use this instead of test_cmp to compare files that contain expected and
|
|
# actual output from git commands that can be translated. When running
|
|
# under GIT_TEST_GETTEXT_POISON this pretends that the command produced expected
|
|
# results.
|
|
test_i18ncmp () {
|
|
! test_have_prereq C_LOCALE_OUTPUT || test_cmp "$@"
|
|
}
|
|
|
|
# Use this instead of "grep expected-string actual" to see if the
|
|
# output from a git command that can be translated either contains an
|
|
# expected string, or does not contain an unwanted one. When running
|
|
# under GIT_TEST_GETTEXT_POISON this pretends that the command produced expected
|
|
# results.
|
|
test_i18ngrep () {
|
|
eval "last_arg=\${$#}"
|
|
|
|
test -f "$last_arg" ||
|
|
BUG "test_i18ngrep requires a file to read as the last parameter"
|
|
|
|
if test $# -lt 2 ||
|
|
{ test "x!" = "x$1" && test $# -lt 3 ; }
|
|
then
|
|
BUG "too few parameters to test_i18ngrep"
|
|
fi
|
|
|
|
if test_have_prereq !C_LOCALE_OUTPUT
|
|
then
|
|
# pretend success
|
|
return 0
|
|
fi
|
|
|
|
if test "x!" = "x$1"
|
|
then
|
|
shift
|
|
! grep "$@" && return 0
|
|
|
|
echo >&4 "error: '! grep $@' did find a match in:"
|
|
else
|
|
grep "$@" && return 0
|
|
|
|
echo >&4 "error: 'grep $@' didn't find a match in:"
|
|
fi
|
|
|
|
if test -s "$last_arg"
|
|
then
|
|
cat >&4 "$last_arg"
|
|
else
|
|
echo >&4 "<File '$last_arg' is empty>"
|
|
fi
|
|
|
|
return 1
|
|
}
|
|
|
|
# Call any command "$@" but be more verbose about its
|
|
# failure. This is handy for commands like "test" which do
|
|
# not output anything when they fail.
|
|
verbose () {
|
|
"$@" && return 0
|
|
echo >&4 "command failed: $(git rev-parse --sq-quote "$@")"
|
|
return 1
|
|
}
|
|
|
|
# Check if the file expected to be empty is indeed empty, and barfs
|
|
# otherwise.
|
|
|
|
test_must_be_empty () {
|
|
test_path_is_file "$1" &&
|
|
if test -s "$1"
|
|
then
|
|
echo "'$1' is not empty, it contains:"
|
|
cat "$1"
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
# Tests that its two parameters refer to the same revision, or if '!' is
|
|
# provided first, that its other two parameters refer to different
|
|
# revisions.
|
|
test_cmp_rev () {
|
|
local op='=' wrong_result=different
|
|
|
|
if test $# -ge 1 && test "x$1" = 'x!'
|
|
then
|
|
op='!='
|
|
wrong_result='the same'
|
|
shift
|
|
fi
|
|
if test $# != 2
|
|
then
|
|
error "bug in the test script: test_cmp_rev requires two revisions, but got $#"
|
|
else
|
|
local r1 r2
|
|
r1=$(git rev-parse --verify "$1") &&
|
|
r2=$(git rev-parse --verify "$2") || return 1
|
|
|
|
if ! test "$r1" "$op" "$r2"
|
|
then
|
|
cat >&4 <<-EOF
|
|
error: two revisions point to $wrong_result objects:
|
|
'$1': $r1
|
|
'$2': $r2
|
|
EOF
|
|
return 1
|
|
fi
|
|
fi
|
|
}
|
|
|
|
# Compare paths respecting core.ignoreCase
|
|
test_cmp_fspath () {
|
|
if test "x$1" = "x$2"
|
|
then
|
|
return 0
|
|
fi
|
|
|
|
if test true != "$(git config --get --type=bool core.ignorecase)"
|
|
then
|
|
return 1
|
|
fi
|
|
|
|
test "x$(echo "$1" | tr A-Z a-z)" = "x$(echo "$2" | tr A-Z a-z)"
|
|
}
|
|
|
|
# Print a sequence of integers in increasing order, either with
|
|
# two arguments (start and end):
|
|
#
|
|
# test_seq 1 5 -- outputs 1 2 3 4 5 one line at a time
|
|
#
|
|
# or with one argument (end), in which case it starts counting
|
|
# from 1.
|
|
|
|
test_seq () {
|
|
case $# in
|
|
1) set 1 "$@" ;;
|
|
2) ;;
|
|
*) BUG "not 1 or 2 parameters to test_seq" ;;
|
|
esac
|
|
test_seq_counter__=$1
|
|
while test "$test_seq_counter__" -le "$2"
|
|
do
|
|
echo "$test_seq_counter__"
|
|
test_seq_counter__=$(( $test_seq_counter__ + 1 ))
|
|
done
|
|
}
|
|
|
|
# This function can be used to schedule some commands to be run
|
|
# unconditionally at the end of the test to restore sanity:
|
|
#
|
|
# test_expect_success 'test core.capslock' '
|
|
# git config core.capslock true &&
|
|
# test_when_finished "git config --unset core.capslock" &&
|
|
# hello world
|
|
# '
|
|
#
|
|
# That would be roughly equivalent to
|
|
#
|
|
# test_expect_success 'test core.capslock' '
|
|
# git config core.capslock true &&
|
|
# hello world
|
|
# git config --unset core.capslock
|
|
# '
|
|
#
|
|
# except that the greeting and config --unset must both succeed for
|
|
# the test to pass.
|
|
#
|
|
# Note that under --immediate mode, no clean-up is done to help diagnose
|
|
# what went wrong.
|
|
|
|
test_when_finished () {
|
|
# We cannot detect when we are in a subshell in general, but by
|
|
# doing so on Bash is better than nothing (the test will
|
|
# silently pass on other shells).
|
|
test "${BASH_SUBSHELL-0}" = 0 ||
|
|
BUG "test_when_finished does nothing in a subshell"
|
|
test_cleanup="{ $*
|
|
} && (exit \"\$eval_ret\"); eval_ret=\$?; $test_cleanup"
|
|
}
|
|
|
|
# This function can be used to schedule some commands to be run
|
|
# unconditionally at the end of the test script, e.g. to stop a daemon:
|
|
#
|
|
# test_expect_success 'test git daemon' '
|
|
# git daemon &
|
|
# daemon_pid=$! &&
|
|
# test_atexit 'kill $daemon_pid' &&
|
|
# hello world
|
|
# '
|
|
#
|
|
# The commands will be executed before the trash directory is removed,
|
|
# i.e. the atexit commands will still be able to access any pidfiles or
|
|
# socket files.
|
|
#
|
|
# Note that these commands will be run even when a test script run
|
|
# with '--immediate' fails. Be careful with your atexit commands to
|
|
# minimize any changes to the failed state.
|
|
|
|
test_atexit () {
|
|
# We cannot detect when we are in a subshell in general, but by
|
|
# doing so on Bash is better than nothing (the test will
|
|
# silently pass on other shells).
|
|
test "${BASH_SUBSHELL-0}" = 0 ||
|
|
error "bug in test script: test_atexit does nothing in a subshell"
|
|
test_atexit_cleanup="{ $*
|
|
} && (exit \"\$eval_ret\"); eval_ret=\$?; $test_atexit_cleanup"
|
|
}
|
|
|
|
# Most tests can use the created repository, but some may need to create more.
|
|
# Usage: test_create_repo <directory>
|
|
test_create_repo () {
|
|
test "$#" = 1 ||
|
|
BUG "not 1 parameter to test-create-repo"
|
|
repo="$1"
|
|
mkdir -p "$repo"
|
|
(
|
|
cd "$repo" || error "Cannot setup test environment"
|
|
"${GIT_TEST_INSTALLED:-$GIT_EXEC_PATH}/git$X" init \
|
|
"--template=$GIT_BUILD_DIR/templates/blt/" >&3 2>&4 ||
|
|
error "cannot run git init -- have you built things yet?"
|
|
mv .git/hooks .git/hooks-disabled
|
|
) || exit
|
|
}
|
|
|
|
# This function helps on symlink challenged file systems when it is not
|
|
# important that the file system entry is a symbolic link.
|
|
# Use test_ln_s_add instead of "ln -s x y && git add y" to add a
|
|
# symbolic link entry y to the index.
|
|
|
|
test_ln_s_add () {
|
|
if test_have_prereq SYMLINKS
|
|
then
|
|
ln -s "$1" "$2" &&
|
|
git update-index --add "$2"
|
|
else
|
|
printf '%s' "$1" >"$2" &&
|
|
ln_s_obj=$(git hash-object -w "$2") &&
|
|
git update-index --add --cacheinfo 120000 $ln_s_obj "$2" &&
|
|
# pick up stat info from the file
|
|
git update-index "$2"
|
|
fi
|
|
}
|
|
|
|
# This function writes out its parameters, one per line
|
|
test_write_lines () {
|
|
printf "%s\n" "$@"
|
|
}
|
|
|
|
perl () {
|
|
command "$PERL_PATH" "$@" 2>&7
|
|
} 7>&2 2>&4
|
|
|
|
# Given the name of an environment variable with a bool value, normalize
|
|
# its value to a 0 (true) or 1 (false or empty string) return code.
|
|
#
|
|
# test_bool_env GIT_TEST_HTTPD <default-value>
|
|
#
|
|
# Return with code corresponding to the given default value if the variable
|
|
# is unset.
|
|
# Abort the test script if either the value of the variable or the default
|
|
# are not valid bool values.
|
|
|
|
test_bool_env () {
|
|
if test $# != 2
|
|
then
|
|
BUG "test_bool_env requires two parameters (variable name and default value)"
|
|
fi
|
|
|
|
git env--helper --type=bool --default="$2" --exit-code "$1"
|
|
ret=$?
|
|
case $ret in
|
|
0|1) # unset or valid bool value
|
|
;;
|
|
*) # invalid bool value or something unexpected
|
|
error >&7 "test_bool_env requires bool values both for \$$1 and for the default fallback"
|
|
;;
|
|
esac
|
|
return $ret
|
|
}
|
|
|
|
# Exit the test suite, either by skipping all remaining tests or by
|
|
# exiting with an error. If our prerequisite variable $1 falls back
|
|
# on a default assume we were opportunistically trying to set up some
|
|
# tests and we skip. If it is explicitly "true", then we report a failure.
|
|
#
|
|
# The error/skip message should be given by $2.
|
|
#
|
|
test_skip_or_die () {
|
|
if ! test_bool_env "$1" false
|
|
then
|
|
skip_all=$2
|
|
test_done
|
|
fi
|
|
error "$2"
|
|
}
|
|
|
|
# The following mingw_* functions obey POSIX shell syntax, but are actually
|
|
# bash scripts, and are meant to be used only with bash on Windows.
|
|
|
|
# A test_cmp function that treats LF and CRLF equal and avoids to fork
|
|
# diff when possible.
|
|
mingw_test_cmp () {
|
|
# Read text into shell variables and compare them. If the results
|
|
# are different, use regular diff to report the difference.
|
|
local test_cmp_a= test_cmp_b=
|
|
|
|
# When text came from stdin (one argument is '-') we must feed it
|
|
# to diff.
|
|
local stdin_for_diff=
|
|
|
|
# Since it is difficult to detect the difference between an
|
|
# empty input file and a failure to read the files, we go straight
|
|
# to diff if one of the inputs is empty.
|
|
if test -s "$1" && test -s "$2"
|
|
then
|
|
# regular case: both files non-empty
|
|
mingw_read_file_strip_cr_ test_cmp_a <"$1"
|
|
mingw_read_file_strip_cr_ test_cmp_b <"$2"
|
|
elif test -s "$1" && test "$2" = -
|
|
then
|
|
# read 2nd file from stdin
|
|
mingw_read_file_strip_cr_ test_cmp_a <"$1"
|
|
mingw_read_file_strip_cr_ test_cmp_b
|
|
stdin_for_diff='<<<"$test_cmp_b"'
|
|
elif test "$1" = - && test -s "$2"
|
|
then
|
|
# read 1st file from stdin
|
|
mingw_read_file_strip_cr_ test_cmp_a
|
|
mingw_read_file_strip_cr_ test_cmp_b <"$2"
|
|
stdin_for_diff='<<<"$test_cmp_a"'
|
|
fi
|
|
test -n "$test_cmp_a" &&
|
|
test -n "$test_cmp_b" &&
|
|
test "$test_cmp_a" = "$test_cmp_b" ||
|
|
eval "diff -u \"\$@\" $stdin_for_diff"
|
|
}
|
|
|
|
# $1 is the name of the shell variable to fill in
|
|
mingw_read_file_strip_cr_ () {
|
|
# Read line-wise using LF as the line separator
|
|
# and use IFS to strip CR.
|
|
local line
|
|
while :
|
|
do
|
|
if IFS=$'\r' read -r -d $'\n' line
|
|
then
|
|
# good
|
|
line=$line$'\n'
|
|
else
|
|
# we get here at EOF, but also if the last line
|
|
# was not terminated by LF; in the latter case,
|
|
# some text was read
|
|
if test -z "$line"
|
|
then
|
|
# EOF, really
|
|
break
|
|
fi
|
|
fi
|
|
eval "$1=\$$1\$line"
|
|
done
|
|
}
|
|
|
|
# Like "env FOO=BAR some-program", but run inside a subshell, which means
|
|
# it also works for shell functions (though those functions cannot impact
|
|
# the environment outside of the test_env invocation).
|
|
test_env () {
|
|
(
|
|
while test $# -gt 0
|
|
do
|
|
case "$1" in
|
|
*=*)
|
|
eval "${1%%=*}=\${1#*=}"
|
|
eval "export ${1%%=*}"
|
|
shift
|
|
;;
|
|
*)
|
|
"$@" 2>&7
|
|
exit
|
|
;;
|
|
esac
|
|
done
|
|
)
|
|
} 7>&2 2>&4
|
|
|
|
# Returns true if the numeric exit code in "$2" represents the expected signal
|
|
# in "$1". Signals should be given numerically.
|
|
test_match_signal () {
|
|
if test "$2" = "$((128 + $1))"
|
|
then
|
|
# POSIX
|
|
return 0
|
|
elif test "$2" = "$((256 + $1))"
|
|
then
|
|
# ksh
|
|
return 0
|
|
fi
|
|
return 1
|
|
}
|
|
|
|
# Read up to "$1" bytes (or to EOF) from stdin and write them to stdout.
|
|
test_copy_bytes () {
|
|
perl -e '
|
|
my $len = $ARGV[1];
|
|
while ($len > 0) {
|
|
my $s;
|
|
my $nread = sysread(STDIN, $s, $len);
|
|
die "cannot read: $!" unless defined($nread);
|
|
last unless $nread;
|
|
print $s;
|
|
$len -= $nread;
|
|
}
|
|
' - "$1"
|
|
}
|
|
|
|
# run "$@" inside a non-git directory
|
|
nongit () {
|
|
test -d non-repo ||
|
|
mkdir non-repo ||
|
|
return 1
|
|
|
|
(
|
|
GIT_CEILING_DIRECTORIES=$(pwd) &&
|
|
export GIT_CEILING_DIRECTORIES &&
|
|
cd non-repo &&
|
|
"$@" 2>&7
|
|
)
|
|
} 7>&2 2>&4
|
|
|
|
# convert stdin to pktline representation; note that empty input becomes an
|
|
# empty packet, not a flush packet (for that you can just print 0000 yourself).
|
|
packetize() {
|
|
cat >packetize.tmp &&
|
|
len=$(wc -c <packetize.tmp) &&
|
|
printf '%04x%s' "$(($len + 4))" &&
|
|
cat packetize.tmp &&
|
|
rm -f packetize.tmp
|
|
}
|
|
|
|
# Parse the input as a series of pktlines, writing the result to stdout.
|
|
# Sideband markers are removed automatically, and the output is routed to
|
|
# stderr if appropriate.
|
|
#
|
|
# NUL bytes are converted to "\\0" for ease of parsing with text tools.
|
|
depacketize () {
|
|
perl -e '
|
|
while (read(STDIN, $len, 4) == 4) {
|
|
if ($len eq "0000") {
|
|
print "FLUSH\n";
|
|
} else {
|
|
read(STDIN, $buf, hex($len) - 4);
|
|
$buf =~ s/\0/\\0/g;
|
|
if ($buf =~ s/^[\x2\x3]//) {
|
|
print STDERR $buf;
|
|
} else {
|
|
$buf =~ s/^\x1//;
|
|
print $buf;
|
|
}
|
|
}
|
|
}
|
|
'
|
|
}
|
|
|
|
# Converts base-16 data into base-8. The output is given as a sequence of
|
|
# escaped octals, suitable for consumption by 'printf'.
|
|
hex2oct () {
|
|
perl -ne 'printf "\\%03o", hex for /../g'
|
|
}
|
|
|
|
# Set the hash algorithm in use to $1. Only useful when testing the testsuite.
|
|
test_set_hash () {
|
|
test_hash_algo="$1"
|
|
}
|
|
|
|
# Detect the hash algorithm in use.
|
|
test_detect_hash () {
|
|
# Currently we only support SHA-1, but in the future this function will
|
|
# actually detect the algorithm in use.
|
|
test_hash_algo='sha1'
|
|
}
|
|
|
|
# Load common hash metadata and common placeholder object IDs for use with
|
|
# test_oid.
|
|
test_oid_init () {
|
|
test -n "$test_hash_algo" || test_detect_hash &&
|
|
test_oid_cache <"$TEST_DIRECTORY/oid-info/hash-info" &&
|
|
test_oid_cache <"$TEST_DIRECTORY/oid-info/oid"
|
|
}
|
|
|
|
# Load key-value pairs from stdin suitable for use with test_oid. Blank lines
|
|
# and lines starting with "#" are ignored. Keys must be shell identifier
|
|
# characters.
|
|
#
|
|
# Examples:
|
|
# rawsz sha1:20
|
|
# rawsz sha256:32
|
|
test_oid_cache () {
|
|
local tag rest k v &&
|
|
|
|
{ test -n "$test_hash_algo" || test_detect_hash; } &&
|
|
while read tag rest
|
|
do
|
|
case $tag in
|
|
\#*)
|
|
continue;;
|
|
?*)
|
|
# non-empty
|
|
;;
|
|
*)
|
|
# blank line
|
|
continue;;
|
|
esac &&
|
|
|
|
k="${rest%:*}" &&
|
|
v="${rest#*:}" &&
|
|
|
|
if ! expr "$k" : '[a-z0-9][a-z0-9]*$' >/dev/null
|
|
then
|
|
BUG 'bad hash algorithm'
|
|
fi &&
|
|
eval "test_oid_${k}_$tag=\"\$v\""
|
|
done
|
|
}
|
|
|
|
# Look up a per-hash value based on a key ($1). The value must have been loaded
|
|
# by test_oid_init or test_oid_cache.
|
|
test_oid () {
|
|
local var="test_oid_${test_hash_algo}_$1" &&
|
|
|
|
# If the variable is unset, we must be missing an entry for this
|
|
# key-hash pair, so exit with an error.
|
|
if eval "test -z \"\${$var+set}\""
|
|
then
|
|
BUG "undefined key '$1'"
|
|
fi &&
|
|
eval "printf '%s' \"\${$var}\""
|
|
}
|
|
|
|
# Insert a slash into an object ID so it can be used to reference a location
|
|
# under ".git/objects". For example, "deadbeef..." becomes "de/adbeef..".
|
|
test_oid_to_path () {
|
|
local basename=${1#??}
|
|
echo "${1%$basename}/$basename"
|
|
}
|
|
|
|
# Choose a port number based on the test script's number and store it in
|
|
# the given variable name, unless that variable already contains a number.
|
|
test_set_port () {
|
|
local var=$1 port
|
|
|
|
if test $# -ne 1 || test -z "$var"
|
|
then
|
|
BUG "test_set_port requires a variable name"
|
|
fi
|
|
|
|
eval port=\$$var
|
|
case "$port" in
|
|
"")
|
|
# No port is set in the given env var, use the test
|
|
# number as port number instead.
|
|
# Remove not only the leading 't', but all leading zeros
|
|
# as well, so the arithmetic below won't (mis)interpret
|
|
# a test number like '0123' as an octal value.
|
|
port=${this_test#${this_test%%[1-9]*}}
|
|
if test "${port:-0}" -lt 1024
|
|
then
|
|
# root-only port, use a larger one instead.
|
|
port=$(($port + 10000))
|
|
fi
|
|
;;
|
|
*[!0-9]*|0*)
|
|
error >&7 "invalid port number: $port"
|
|
;;
|
|
*)
|
|
# The user has specified the port.
|
|
;;
|
|
esac
|
|
|
|
# Make sure that parallel '--stress' test jobs get different
|
|
# ports.
|
|
port=$(($port + ${GIT_TEST_STRESS_JOB_NR:-0}))
|
|
eval $var=$port
|
|
}
|