#!/bin/bash

set -e

RUNC=$PWD/runc
DIR=/tmp/runc_test

rm -rf $DIR
mkdir -p $DIR/rootfs

cd $DIR

docker pull busybox
docker create --name tmpbusybox busybox
docker export tmpbusybox | tar -C $DIR/rootfs -xf-
docker rm -f tmpbusybox

# Make sure we can generate a config.json file
################################################################
rm -f config.json
$RUNC spec
if [ ! -e config.json ]; then
	echo NO config.json file generated
	exit 1
fi
echo "PASS: runc spec"

# Simple start test
################################################################
rm -f config.json && $RUNC spec  # reset things
sed -i 's/"sh"/"echo","-n","hi"/' config.json
set +e
$RUNC start c1 >out 2>err
rc=$?
if [[ $rc != 0 || -s err ]]; then
	echo Error while running start
	echo Exit code: $rc
	echo Error: $(cat err)
	echo Output: $(cat out)
	exit 1
fi
if [[ "$(cat out)" != "hi" ]]; then
	echo -e Incorrect output: $(cat out)\nExpected: hi
	exit 1
fi
echo "PASS: runc start"

# Test exec
################################################################
set -ex
rm config.json && $RUNC spec  # reset things
sed -i 's/"sh"/"sleep","6"/' config.json
$RUNC start -d --console /dev/ptmx c1 >out 2>&1
rc=$?
if [[ $rc != 0 || -s out ]]; then
	echo Error while running start
	echo Exit code: $rc
	echo Output: $(cat out)
	exit 1
fi
sleep 1
$RUNC exec c1 echo from exec >out 2>err
rc=$?
if [[ $rc != 0 || -s err ]]; then
	echo Error while running exec
	echo Exit code: $rc
	echo Error: $(cat err)
	echo Output: $(cat out)
	exit 1
fi
$RUNC kill c1
rm -rf /run/opencontainer/containers/c1
echo "PASS: runc exec"

# Test pause/resume
################################################################
rm config.json && $RUNC spec  # reset things
sed -i 's/"sh"/"sleep","6"/' config.json
$RUNC start -d --console /dev/ptmx c1 >out 2>&1
rc=$?
if [[ $rc != 0 || -s out ]]; then
	echo Error while running start
	echo Exit code: $rc
	echo Output: $(cat out)
	exit 1
fi
sleep 1
$RUNC pause c1 >out 2>&1
rc=$?
if [[ $rc != 0 || -s out ]]; then
	echo Error while running pause
	echo Exit code: $rc
	echo Output: $(cat out)
	exit 1
fi
$RUNC resume c1 >out 2>&1
rc=$?
if [[ $? != 0 || -s out ]]; then
	echo Error while running pause
	echo Exit code: $rc
	echo Output: $(cat out)
	exit 1
fi

$RUNC kill c1
rm -rf /run/opencontainer/containers/c1
echo "PASS: runc pause/resume"

# give it a sec before we erase the dir
sleep 5
cd ..
rm -rf $DIR