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summary: Check that 'current' symlink is created with 'snap run'
details: |
Running a snap creates the symbolic link that points to the per-revision data
of a given user. The test manipulates the symbolic link to show that running a
snap command creates or re-creates the symbolic link as necessary.
systems: [-ubuntu-core-*]
prepare: |
"$TESTSTOOLS"/snaps-state install-local test-snapd-sh
execute: |
echo "Test that 'current' symlink is created in user data dir"
SNAP_MOUNT_DIR="$(os.paths snap-mount-dir)"
CURRENT=$(readlink "$SNAP_MOUNT_DIR/test-snapd-sh/current")
if [ -z "$CURRENT" ]; then
echo "Could not determine current version of $SNAP"
exit 1
fi
"$SNAP_MOUNT_DIR/bin/test-snapd-sh.sh" -c 'echo -n'
UDATA_CURRENT=$(readlink "$HOME/snap/test-snapd-sh/current")
if [ "$CURRENT" != "$UDATA_CURRENT" ]; then
echo "Invalid 'current' symlink in user-data directory, expected $CURRENT, got $UDATA_CURRENT"
exit 1
fi
echo "Test that 'current' symlink is recreated"
rm -rf "$HOME/snap/test-snapd-sh/current"
"$SNAP_MOUNT_DIR/bin/test-snapd-sh.sh" -c 'echo -n'
if [ ! -L "$HOME/snap/test-snapd-sh/current" ]; then
echo "The 'current' symlink not present in user-data directory"
exit 1
fi
echo "Test that 'current' symlink is updated if incorrect"
ln -fs "$HOME/snap/test-snapd-sh/wrong" "$HOME/snap/test-snapd-sh/current"
"$SNAP_MOUNT_DIR/bin/test-snapd-sh.sh" -c 'echo -n'
UDATA_CURRENT=$(readlink "$HOME/snap/test-snapd-sh/current")
if [ "$CURRENT" != "$UDATA_CURRENT" ]; then
echo "Invalid 'current' symlink in user-data directory, expected $CURRENT, got $UDATA_CURRENT"
exit 1
fi
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