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git/t/lib-httpd.sh
Jeff King 83d842dc8c tests: turn on network daemon tests by default
We do not run the httpd nor git-daemon tests by default, as
they are rather heavyweight and require network access
(albeit over localhost). However, it would be nice if more
pepole ran them, for two reasons:

  1. We would get more test coverage on more systems.

  2. The point of the test suite is to find regressions. It
     is very easy to change some of the underlying code and
     break the httpd code without realizing you are even
     affecting it. Running the httpd tests helps find these
     problems sooner (ideally before the patches even hit
     the list).

We still want to leave an "out", though, for people who really do
not want to run them. For that reason, the GIT_TEST_HTTPD and
GIT_TEST_GIT_DAEMON variables are now tri-state booleans
(true/false/auto), so you can say GIT_TEST_HTTPD=false to turn the
tests back off.  To support those who want a stable single way to
disable these tests across versions of Git before and after this
change, an empty string explicitly set to these variables is also
taken as "false", so the behaviour changes only for those who:

  a. did not express any preference by leaving these variables
     unset.  They did not test these features before, but now they
     do; or

  b. did express that they want to test these features by setting
     GIT_TEST_FEATURE=false (or any equivalent other ways to tell
     "false" to Git, e.g. "0"), which has been a valid but funny way
     to say that they do want to test the feature only because we
     used to interpret any non-empty string to mean "yes please
     test".  They no longer test that feature.

In addition, we are forgiving of common setup failures (e.g., you do
not have apache installed, or have an old version) when the
tri-state is "auto" (or unset), but report an error when it is
"true". This makes "auto" a sane default, as we should not cause
failures on setups where the tests cannot run. But it allows people
who use "true" to catch regressions in their system (e.g., they
uninstalled apache, but were expecting their automated test runs to
test git-httpd, and would want to be notified).

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2014-02-14 08:13:51 -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
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=${LIB_HTTPD_PORT-'8111'}
TEST_PATH="$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
prepare_httpd() {
mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH"
cp "$TEST_PATH"/passwd "$HTTPD_ROOT_PATH"
cp "$TEST_PATH"/broken-smart-http.sh "$HTTPD_ROOT_PATH"
ln -s "$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 "$LIB_HTTPD_DAV" -o -n "$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"
}