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git/t/lib-httpd.sh
Jeff King 1767c51787 t/lib-httpd: switch SANITY check for NOT_ROOT
The SANITY prerequisite is really about whether the
filesystem will respect the permissions we set, and being
root is only one part of that. But the httpd tests really
just care about not being root, as they are trying to avoid
weirdness in apache (see a1a3011 for details).

Let's switch out SANITY for a new NOT_ROOT prerequisite,
which will let us tweak SANITY more freely.

We implement NOT_ROOT by checking `id -u`, which is in POSIX
and seems to be available even on MSYS.  Note that we cannot
just call this "ROOT" and ask for "!ROOT". The possible
outcomes are:

  1. we know we are root

  2. we know we are not root

  3. we could not tell, because `id` was not available

We should conservatively treat (3) as "does not have the
prerequisite", which means that a naive negation would not
work.

Helped-by: Kyle J. McKay <mackyle@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-01-16 09:33:46 -08:00

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# Shell library to run an HTTP server for use in tests.
# Ends the test early if httpd tests should not be run,
# for example because the user has not enabled them.
#
# Usage:
#
# . ./test-lib.sh
# . "$TEST_DIRECTORY"/lib-httpd.sh
# start_httpd
#
# test_expect_success '...' '
# ...
# '
#
# test_expect_success ...
#
# stop_httpd
# test_done
#
# Can be configured using the following variables.
#
# GIT_TEST_HTTPD enable HTTPD tests
# LIB_HTTPD_PATH web server path
# LIB_HTTPD_MODULE_PATH web server modules path
# LIB_HTTPD_PORT listening port
# LIB_HTTPD_DAV enable DAV
# LIB_HTTPD_SVN enable SVN
# LIB_HTTPD_SSL enable SSL
#
# Copyright (c) 2008 Clemens Buchacher <drizzd@aon.at>
#
test_tristate GIT_TEST_HTTPD
if test "$GIT_TEST_HTTPD" = false
then
skip_all="Network testing disabled (unset GIT_TEST_HTTPD to enable)"
test_done
fi
if ! test_have_prereq NOT_ROOT; then
test_skip_or_die $GIT_TEST_HTTPD \
"Cannot run httpd tests as root"
fi
HTTPD_PARA=""
for DEFAULT_HTTPD_PATH in '/usr/sbin/httpd' '/usr/sbin/apache2'
do
if test -x "$DEFAULT_HTTPD_PATH"
then
break
fi
done
for DEFAULT_HTTPD_MODULE_PATH in '/usr/libexec/apache2' \
'/usr/lib/apache2/modules' \
'/usr/lib64/httpd/modules' \
'/usr/lib/httpd/modules'
do
if test -d "$DEFAULT_HTTPD_MODULE_PATH"
then
break
fi
done
case $(uname) in
Darwin)
HTTPD_PARA="$HTTPD_PARA -DDarwin"
;;
esac
LIB_HTTPD_PATH=${LIB_HTTPD_PATH-"$DEFAULT_HTTPD_PATH"}
LIB_HTTPD_PORT=${LIB_HTTPD_PORT-${this_test#t}}
TEST_PATH="$TEST_DIRECTORY"/lib-httpd
HTTPD_ROOT_PATH="$PWD"/httpd
HTTPD_DOCUMENT_ROOT_PATH=$HTTPD_ROOT_PATH/www
# hack to suppress apache PassEnv warnings
GIT_VALGRIND=$GIT_VALGRIND; export GIT_VALGRIND
GIT_VALGRIND_OPTIONS=$GIT_VALGRIND_OPTIONS; export GIT_VALGRIND_OPTIONS
if ! test -x "$LIB_HTTPD_PATH"
then
test_skip_or_die $GIT_TEST_HTTPD "no web server found at '$LIB_HTTPD_PATH'"
fi
HTTPD_VERSION=`$LIB_HTTPD_PATH -v | \
sed -n 's/^Server version: Apache\/\([0-9]*\)\..*$/\1/p; q'`
if test -n "$HTTPD_VERSION"
then
if test -z "$LIB_HTTPD_MODULE_PATH"
then
if ! test $HTTPD_VERSION -ge 2
then
test_skip_or_die $GIT_TEST_HTTPD \
"at least Apache version 2 is required"
fi
if ! test -d "$DEFAULT_HTTPD_MODULE_PATH"
then
test_skip_or_die $GIT_TEST_HTTPD \
"Apache module directory not found"
fi
LIB_HTTPD_MODULE_PATH="$DEFAULT_HTTPD_MODULE_PATH"
fi
else
test_skip_or_die $GIT_TEST_HTTPD \
"Could not identify web server at '$LIB_HTTPD_PATH'"
fi
install_script () {
write_script "$HTTPD_ROOT_PATH/$1" <"$TEST_PATH/$1"
}
prepare_httpd() {
mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH"
cp "$TEST_PATH"/passwd "$HTTPD_ROOT_PATH"
install_script broken-smart-http.sh
install_script error.sh
ln -s "$LIB_HTTPD_MODULE_PATH" "$HTTPD_ROOT_PATH/modules"
if test -n "$LIB_HTTPD_SSL"
then
HTTPD_PROTO=https
RANDFILE_PATH="$HTTPD_ROOT_PATH"/.rnd openssl req \
-config "$TEST_PATH/ssl.cnf" \
-new -x509 -nodes \
-out "$HTTPD_ROOT_PATH/httpd.pem" \
-keyout "$HTTPD_ROOT_PATH/httpd.pem"
GIT_SSL_NO_VERIFY=t
export GIT_SSL_NO_VERIFY
HTTPD_PARA="$HTTPD_PARA -DSSL"
else
HTTPD_PROTO=http
fi
HTTPD_DEST=127.0.0.1:$LIB_HTTPD_PORT
HTTPD_URL=$HTTPD_PROTO://$HTTPD_DEST
HTTPD_URL_USER=$HTTPD_PROTO://user%40host@$HTTPD_DEST
HTTPD_URL_USER_PASS=$HTTPD_PROTO://user%40host:pass%40host@$HTTPD_DEST
if test -n "$LIB_HTTPD_DAV" || test -n "$LIB_HTTPD_SVN"
then
HTTPD_PARA="$HTTPD_PARA -DDAV"
if test -n "$LIB_HTTPD_SVN"
then
HTTPD_PARA="$HTTPD_PARA -DSVN"
rawsvnrepo="$HTTPD_ROOT_PATH/svnrepo"
svnrepo="http://127.0.0.1:$LIB_HTTPD_PORT/svn"
fi
fi
}
start_httpd() {
prepare_httpd >&3 2>&4
trap 'code=$?; stop_httpd; (exit $code); die' EXIT
"$LIB_HTTPD_PATH" -d "$HTTPD_ROOT_PATH" \
-f "$TEST_PATH/apache.conf" $HTTPD_PARA \
-c "Listen 127.0.0.1:$LIB_HTTPD_PORT" -k start \
>&3 2>&4
if test $? -ne 0
then
trap 'die' EXIT
test_skip_or_die $GIT_TEST_HTTPD "web server setup failed"
fi
}
stop_httpd() {
trap 'die' EXIT
"$LIB_HTTPD_PATH" -d "$HTTPD_ROOT_PATH" \
-f "$TEST_PATH/apache.conf" $HTTPD_PARA -k stop
}
test_http_push_nonff () {
REMOTE_REPO=$1
LOCAL_REPO=$2
BRANCH=$3
EXPECT_CAS_RESULT=${4-failure}
test_expect_success 'non-fast-forward push fails' '
cd "$REMOTE_REPO" &&
HEAD=$(git rev-parse --verify HEAD) &&
cd "$LOCAL_REPO" &&
git checkout $BRANCH &&
echo "changed" > path2 &&
git commit -a -m path2 --amend &&
test_must_fail git push -v origin >output 2>&1 &&
(cd "$REMOTE_REPO" &&
test $HEAD = $(git rev-parse --verify HEAD))
'
test_expect_success 'non-fast-forward push show ref status' '
grep "^ ! \[rejected\][ ]*$BRANCH -> $BRANCH (non-fast-forward)$" output
'
test_expect_success 'non-fast-forward push shows help message' '
test_i18ngrep "Updates were rejected because" output
'
test_expect_${EXPECT_CAS_RESULT} 'force with lease aka cas' '
HEAD=$( cd "$REMOTE_REPO" && git rev-parse --verify HEAD ) &&
test_when_finished '\''
(cd "$REMOTE_REPO" && git update-ref HEAD "$HEAD")
'\'' &&
(
cd "$LOCAL_REPO" &&
git push -v --force-with-lease=$BRANCH:$HEAD origin
) &&
git rev-parse --verify "$BRANCH" >expect &&
(
cd "$REMOTE_REPO" && git rev-parse --verify HEAD
) >actual &&
test_cmp expect actual
'
}
setup_askpass_helper() {
test_expect_success 'setup askpass helper' '
write_script "$TRASH_DIRECTORY/askpass" <<-\EOF &&
echo >>"$TRASH_DIRECTORY/askpass-query" "askpass: $*" &&
case "$*" in
*Username*)
what=user
;;
*Password*)
what=pass
;;
esac &&
cat "$TRASH_DIRECTORY/askpass-$what"
EOF
GIT_ASKPASS="$TRASH_DIRECTORY/askpass" &&
export GIT_ASKPASS &&
export TRASH_DIRECTORY
'
}
set_askpass() {
>"$TRASH_DIRECTORY/askpass-query" &&
echo "$1" >"$TRASH_DIRECTORY/askpass-user" &&
echo "$2" >"$TRASH_DIRECTORY/askpass-pass"
}
expect_askpass() {
dest=$HTTPD_DEST${3+/$3}
{
case "$1" in
none)
;;
pass)
echo "askpass: Password for 'http://$2@$dest': "
;;
both)
echo "askpass: Username for 'http://$dest': "
echo "askpass: Password for 'http://$2@$dest': "
;;
*)
false
;;
esac
} >"$TRASH_DIRECTORY/askpass-expect" &&
test_cmp "$TRASH_DIRECTORY/askpass-expect" \
"$TRASH_DIRECTORY/askpass-query"
}