From 37d824c9a875f71d6184b87794db533c77b0046a Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher <jakobunt@gmail.com>
Date: Wed, 8 Jun 2016 22:38:14 +0200
Subject: [PATCH] test: add pingpong.bash and pingping-rsync.bash

Mounts two gocryptfs filesystems, "ping" and "pong" and moves the
linux-3.0 kernel tree back and forth between them.

When called as "pingpong-rsync.bash" it uses "rsync --remove-source-files"
for moving the files, otherwise plain "mv".
---
 tests/stress_tests/pingpong-rsync.bash |  1 +
 tests/stress_tests/pingpong.bash       | 65 ++++++++++++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 120000 tests/stress_tests/pingpong-rsync.bash
 create mode 100755 tests/stress_tests/pingpong.bash

diff --git a/tests/stress_tests/pingpong-rsync.bash b/tests/stress_tests/pingpong-rsync.bash
new file mode 120000
index 0000000..b8cf812
--- /dev/null
+++ b/tests/stress_tests/pingpong-rsync.bash
@@ -0,0 +1 @@
+pingpong.bash
\ No newline at end of file
diff --git a/tests/stress_tests/pingpong.bash b/tests/stress_tests/pingpong.bash
new file mode 100755
index 0000000..ebcb8c5
--- /dev/null
+++ b/tests/stress_tests/pingpong.bash
@@ -0,0 +1,65 @@
+#!/bin/bash
+#
+# Mounts two gocryptfs filesystems, "ping" and "pong" and moves the
+# linux-3.0 kernel tree back and forth between them.
+#
+# When called as "pingpong-rsync.bash" it uses "rsync --remove-source-files"
+# for moving the files, otherwise plain "mv".
+
+set -eu
+
+cd "$(dirname "$0")"
+MD5="$PWD/linux-3.0.md5sums"
+MYNAME=$(basename $0)
+
+# Setup
+cd /tmp
+wget -nv --show-progress -c https://www.kernel.org/pub/linux/kernel/v3.0/linux-3.0.tar.gz
+
+PING=$(mktemp -d ping.XXX)
+PONG=$(mktemp -d pong.XXX)
+mkdir $PING.mnt $PONG.mnt
+
+# Cleanup trap
+# Note: gocryptfs may have already umounted itself because bash relays SIGINT
+# Just ignore fusermount errors.
+trap "set +e ; cd /tmp; fusermount -u -z $PING.mnt ; fusermount -u -z $PONG.mnt ; rm -rf $PING $PONG $PING.mnt $PONG.mnt" EXIT
+
+gocryptfs -q -init -extpass="echo test" -scryptn=10 $PING
+gocryptfs -q -init -extpass="echo test" -scryptn=10 $PONG
+
+gocryptfs -q -extpass="echo test" -nosyslog $PING $PING.mnt
+gocryptfs -q -extpass="echo test" -nosyslog $PONG $PONG.mnt
+
+echo "Initial extract"
+tar xf /tmp/linux-3.0.tar.gz -C $PING.mnt
+
+function move_and_md5 {
+	if [ $MYNAME = pingpong-rsync.bash ]; then
+		echo -n "rsync "
+		rsync -a --remove-source-files $1 $2
+		find $1 -type d -delete
+	else
+		echo -n "mv "
+		mv $1 $2
+	fi
+	if [ -e $1 ]; then
+		echo "error: source directory $1 was not removed"
+		exit 1
+	fi
+	cd $2
+	echo -n "md5 "
+	md5sum --status -c $MD5
+	cd ..
+}
+
+N=1
+while true; do
+	echo -n "$N: "
+	move_and_md5 $PING.mnt/linux-3.0 $PONG.mnt
+	move_and_md5 $PONG.mnt/linux-3.0 $PING.mnt
+	date +%H:%M:%S
+	let N=$N+1
+done
+
+wait