lix/tests/common.sh.in
2022-03-02 21:48:25 +01:00

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set -e
if [[ -z "$COMMON_SH_SOURCED" ]]; then
COMMON_SH_SOURCED=1
export TEST_ROOT=$(realpath ${TMPDIR:-/tmp}/nix-test)/${TEST_NAME:-default}
export NIX_STORE_DIR
if ! NIX_STORE_DIR=$(readlink -f $TEST_ROOT/store 2> /dev/null); then
# Maybe the build directory is symlinked.
export NIX_IGNORE_SYMLINK_STORE=1
NIX_STORE_DIR=$TEST_ROOT/store
fi
export NIX_LOCALSTATE_DIR=$TEST_ROOT/var
export NIX_LOG_DIR=$TEST_ROOT/var/log/nix
export NIX_STATE_DIR=$TEST_ROOT/var/nix
export NIX_CONF_DIR=$TEST_ROOT/etc
export NIX_DAEMON_SOCKET_PATH=$TEST_ROOT/dSocket
unset NIX_USER_CONF_FILES
export _NIX_TEST_SHARED=$TEST_ROOT/shared
if [[ -n $NIX_STORE ]]; then
export _NIX_TEST_NO_SANDBOX=1
fi
export _NIX_IN_TEST=$TEST_ROOT/shared
export _NIX_TEST_NO_LSOF=1
export NIX_REMOTE=$NIX_REMOTE_
unset NIX_PATH
export TEST_HOME=$TEST_ROOT/test-home
export HOME=$TEST_HOME
unset XDG_CONFIG_HOME
unset XDG_CONFIG_DIRS
unset XDG_CACHE_HOME
mkdir -p $TEST_HOME
export PATH=@bindir@:$PATH
if [[ -n "${NIX_CLIENT_PACKAGE:-}" ]]; then
export PATH="$NIX_CLIENT_PACKAGE/bin":$PATH
fi
DAEMON_PATH="$PATH"
if [[ -n "${NIX_DAEMON_PACKAGE:-}" ]]; then
DAEMON_PATH="${NIX_DAEMON_PACKAGE}/bin:$DAEMON_PATH"
fi
coreutils=@coreutils@
export dot=@dot@
export SHELL="@bash@"
export PAGER=cat
export busybox="@sandbox_shell@"
export version=@PACKAGE_VERSION@
export system=@system@
export IMPURE_VAR1=foo
export IMPURE_VAR2=bar
cacheDir=$TEST_ROOT/binary-cache
readLink() {
ls -l "$1" | sed 's/.*->\ //'
}
clearProfiles() {
profiles="$NIX_STATE_DIR"/profiles
rm -rf $profiles
}
clearStore() {
echo "clearing store..."
chmod -R +w "$NIX_STORE_DIR"
rm -rf "$NIX_STORE_DIR"
mkdir "$NIX_STORE_DIR"
rm -rf "$NIX_STATE_DIR"
mkdir "$NIX_STATE_DIR"
clearProfiles
}
clearCache() {
rm -rf "$cacheDir"
}
clearCacheCache() {
rm -f $TEST_HOME/.cache/nix/binary-cache*
}
startDaemon() {
# Dont start the daemon twice, as this would just make it loop indefinitely
if [[ "$NIX_REMOTE" == daemon ]]; then
return
fi
# Start the daemon, wait for the socket to appear. !!!
# nix-daemon should have an option to fork into the background.
rm -f $NIX_DAEMON_SOCKET_PATH
PATH=$DAEMON_PATH nix-daemon&
pidDaemon=$!
for ((i = 0; i < 300; i++)); do
if [[ -S $NIX_DAEMON_SOCKET_PATH ]]; then
DAEMON_STARTED=1
break;
fi
sleep 0.1
done
if [[ -z ${DAEMON_STARTED+x} ]]; then
fail "Didnt manage to start the daemon"
fi
trap "killDaemon" EXIT
export NIX_REMOTE=daemon
}
killDaemon() {
kill $pidDaemon
for i in {0..100}; do
kill -0 $pidDaemon || break
sleep 0.1
done
kill -9 $pidDaemon || true
wait $pidDaemon || true
trap "" EXIT
}
restartDaemon() {
[[ -z "${pidDaemon:-}" ]] && return 0
killDaemon
unset NIX_REMOTE
startDaemon
}
if [[ $(uname) == Linux ]] && [[ -L /proc/self/ns/user ]] && unshare --user true; then
_canUseSandbox=1
fi
isDaemonNewer () {
[[ -n "${NIX_DAEMON_PACKAGE:-}" ]] || return 0
local requiredVersion="$1"
local daemonVersion=$($NIX_DAEMON_PACKAGE/bin/nix-daemon --version | cut -d' ' -f3)
[[ $(nix eval --expr "builtins.compareVersions ''$daemonVersion'' ''$requiredVersion''") -ge 0 ]]
}
requireDaemonNewerThan () {
isDaemonNewer "$1" || exit 99
}
canUseSandbox() {
if [[ ! $_canUseSandbox ]]; then
echo "Sandboxing not supported, skipping this test..."
return 1
fi
return 0
}
fail() {
echo "$1"
exit 1
}
expect() {
local expected res
expected="$1"
shift
set +e
"$@"
res="$?"
set -e
[[ $res -eq $expected ]]
}
needLocalStore() {
if [[ "$NIX_REMOTE" == "daemon" ]]; then
echo "Cant run through the daemon ($1), skipping this test..."
return 99
fi
}
# Just to make it easy to find which tests should be fixed
buggyNeedLocalStore() {
needLocalStore
}
enableFeatures() {
local features="$1"
sed -i 's/experimental-features .*/& '"$features"'/' "$NIX_CONF_DIR"/nix.conf
}
set -x
if [[ -n "${NIX_DAEMON_PACKAGE:-}" ]]; then
startDaemon
fi
fi # COMMON_SH_SOURCED