1 files changed, 155 insertions, 0 deletions
diff --git a/tests/zfs-tests/include/properties.shlib b/tests/zfs-tests/include/properties.shlib
new file mode 100644
index 000000000000..6d467b60051d
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+++ b/tests/zfs-tests/include/properties.shlib
@@ -0,0 +1,155 @@
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source.  A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+#
+
+#
+# Copyright (c) 2012, 2016, Delphix. All rights reserved.
+#
+
+. $STF_SUITE/include/libtest.shlib
+
+typeset -a compress_prop_vals=('off' 'lzjb' 'lz4' 'gzip' 'zle' 'zstd')
+typeset -a checksum_prop_vals=('on' 'off' 'fletcher2' 'fletcher4' 'sha256'
+    'noparity' 'sha512' 'skein')
+if ! is_freebsd; then
+	checksum_prop_vals+=('edonr')
+fi
+typeset -a recsize_prop_vals=('512' '1024' '2048' '4096' '8192' '16384'
+    '32768' '65536' '131072' '262144' '524288' '1048576')
+typeset -a canmount_prop_vals=('on' 'off' 'noauto')
+typeset -a copies_prop_vals=('1' '2' '3')
+typeset -a logbias_prop_vals=('latency' 'throughput')
+typeset -a primarycache_prop_vals=('all' 'none' 'metadata')
+typeset -a redundant_metadata_prop_vals=('all' 'most')
+typeset -a secondarycache_prop_vals=('all' 'none' 'metadata')
+typeset -a snapdir_prop_vals=('hidden' 'visible')
+typeset -a sync_prop_vals=('standard' 'always' 'disabled')
+
+typeset -a fs_props=('compress' 'checksum' 'recsize'
+    'canmount' 'copies' 'logbias' 'primarycache' 'redundant_metadata'
+    'secondarycache' 'snapdir' 'sync')
+typeset -a vol_props=('compress' 'checksum' 'copies' 'logbias' 'primarycache'
+    'secondarycache' 'redundant_metadata' 'sync')
+
+#
+# Given the 'prop' passed in, return 'num_vals' elements of the corresponding
+# values array to the user, excluding any elements below 'first.' This allows
+# us to exclude 'off' and 'on' which can be either unwanted, or a duplicate of
+# another property respectively.
+#
+function get_rand_prop_vals
+{
+	typeset prop=$1
+	typeset -i num_vals=$2
+	typeset -i first=$3
+
+	[[ -z $prop || -z $num_vals || -z $first ]] && \
+	    log_fail "get_rand_prop_vals: bad arguments"
+
+	typeset retstr=""
+
+	typeset prop_vals_var=${prop}_prop_vals
+	typeset -a prop_vals=($(eval echo \${${prop_vals_var}[@]}))
+
+	[[ -z $prop_vals ]] && \
+	    log_fail "get_rand_prop_vals: bad prop $prop"
+
+	typeset -i last=$((${#prop_vals[@]} - 1))
+	typeset -i i
+	for i in $(range_shuffle $first $last | head -n $num_vals); do
+		retstr="${prop_vals[$i]} $retstr"
+	done
+	echo $retstr
+}
+
+function get_rand_checksum
+{
+	get_rand_prop_vals checksum $1 2
+}
+
+function get_rand_checksum_any
+{
+	get_rand_prop_vals checksum $1 0
+}
+
+function get_rand_recsize
+{
+	get_rand_prop_vals recsize $1 0
+}
+
+function get_rand_large_recsize
+{
+	get_rand_prop_vals recsize $1 9
+}
+
+#
+# Functions to toggle on/off properties
+#
+typeset -a binary_props=('atime' 'devices' 'exec' 'readonly' 'setuid' 'xattr')
+
+if is_freebsd; then
+	binary_props+=('jailed')
+else
+	binary_props+=('zoned')
+fi
+
+if is_linux; then
+	# Only older kernels support non-blocking mandatory locks
+	if [[ $(linux_version) -lt $(linux_version "4.4") ]]; then
+		binary_props+=('nbmand')
+	fi
+else
+	binary_props+=('nbmand')
+fi
+
+function toggle_prop
+{
+	typeset ds=$1
+	typeset prop=$2
+
+	datasetexists $ds || log_fail "$ds does not exist"
+	typeset val=$(get_prop $prop $ds)
+	typeset newval='off'
+
+	[[ $val = $newval ]] && newval='on'
+	log_must zfs set $prop=$newval $ds
+}
+
+function toggle_binary_props
+{
+	typeset ds=$1
+	typeset prop
+
+	for prop in "${binary_props[@]}"; do
+		toggle_prop $ds $prop
+	done
+}
+
+function randomize_ds_props
+{
+	typeset ds=$1
+	typeset prop proplist val
+
+	datasetexists $ds || log_fail "$ds does not exist"
+	if ds_is_volume $ds; then
+		toggle_prop $ds readonly
+		proplist="${vol_props[@]}"
+	elif ds_is_filesystem $ds; then
+		toggle_binary_props $ds
+		proplist="${fs_props[@]}"
+	else
+		log_fail "$ds is neither a volume nor a file system"
+	fi
+
+	for prop in $proplist; do
+		typeset val=$(get_rand_prop_vals $prop 1 0)
+		log_must zfs set $prop=$val $ds
+	done
+}