#!/bin/sh
#
# Run tests against SWTPM simulator
# Setting TESTS to a list of tests to run
#   TESTS=./examples/native/native_test\ ./examples/wrap/wrap_test ./scripts/swtpm_sim.test
#

# set -x

TOP_DIR=$(realpath $(dirname $0)/..)

die() {
    echo $* >&2
    ps $swtpm_pid > /dev/null && kill $swtpm_pid
    exit 1
}

build() {
    if [ ! -d "$SWTPM_DIR" ]; then
        echo "Cloning SWTPM from $SWTPM_GIT_URL to $SWTPM_DIR";
        git clone $SWTPM_GIT_URL $SWTPM_DIR || die "unable to clone $SWTPM_GIT_URL for simualtor";
    fi
    echo "Building SWTPM: $(git -C "$SWTPM_DIR" describe --long)";
    case "$OSTYPE" in
        "darwin"*)
            MAKE_EXTRA_OPTS="-f makefile.mac"
            ;;
    esac
    make -j4 -C $SWTPM_DIR/src $MAKE_EXTRA_OPTS > /dev/null || die "Failed to build $SWTPM_DIR";
}

TESTS=${TESTS:="${TOP_DIR}/tests/unit.test"}
SWTPM_GIT_URL=${SWTPM_GIT_URL:="https://github.com/kgoldman/ibmswtpm2.git"}

SWTPM_DIR="$(realpath $(basename $SWTPM_GIT_URL | sed 's/\.git//'))"

# check if on path or clone and build
which ${SWTPM_EXEC:=tpm_server} > /dev/null
if [ 0 -ne $? ]; then
    build 
    SWTPM_EXEC=$SWTPM_DIR/src/$SWTPM_EXEC
fi;

# start swtpm server
$SWTPM_EXEC -rm >/dev/null &
swtpm_pid=$!
ps $swtpm_pid > /dev/null
if [ 0 -eq $? ]; then
    echo "Started $SWTPM_EXEC (pid:$swtpm_pid)";
else
    echo "WARNING: $SWTPM_EXEC unable to start. Trying tests in case other instance is running" >&2
fi

# execute unit test
for test_exec in $TESTS; do
    echo "Running $test_exec" >&2;
    $test_exec || die "Failed on running $test_exec";
done;

# shutdown swtpm server
ps $swtpm_pid > /dev/null && kill $swtpm_pid