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#!/bin/bash
# unit testing for some of the common-functions
#
# This is fairly invasive and *may* leave behind mounts, etc, that
# need a human in the loop. Thus it's mostly useful for developers
# during testing, but not so great for CI
source ../diskimage_builder/lib/common-functions
#
# Directory mounting and unmounting
#
# make mount points
TMP_DIR=$(mktemp -d)
cd $TMP_DIR
mkdir mnt
mkdir mnt/proc mnt/dev mnt/dev/pts mnt/sysfs mnt/sys
# for extra complexity, simulate the path being behind a symlink
ln -s mnt mnt-symlink
TMP_MOUNT_PATH=$TMP_DIR/mnt-symlink
# mount devices
mount_proc_dev_sys
if [ $(grep "$TMP_DIR" /proc/mounts | wc -l) -ne 4 ]; then
echo "*** FAILED to mount all directories"
# we might be in an unclean state here, but something is broken...
# we don't want to delete mounted system directories
return 1
else
echo "*** PASS : mounted all directories"
fi
# umount devices
unmount_dir $TMP_MOUNT_PATH
if grep -q "$TMP_DIR" /proc/mounts; then
echo "*** FAILED due to mounts being left behind"
return 1
else
echo "*** PASS all directories unmounted"
fi
# unmount missing dir
if unmount_dir /this/path/does/not/exist/but/this/should/not/fail; then
echo "*** PASS unmount_dir ignored a missing path"
else
echo "*** FAILED unmount_dir should ignore missing paths"
return 1
fi
# cleanup
rm -rf $TMP_DIR
### TODO more tests here
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