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ZTS: zfs_program_json

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As of Python 3.5 the default behavior of json.tool was changed to
preserve the input order rather than lexical order.  The test case
expects the output to be sorted so apply the --sort-keys option
to the json.tool command when using Python 3.5 and the option is
supported.

    https://docs.python.org/3/library/json.html#module-json.tool

Reviewed-by: Kjeld Schouten <kjeld@schouten-lebbing.nl>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9774
This commit is contained in:
Brian Behlendorf 2019-12-27 12:12:41 -08:00 committed by Tony Hutter
parent 16777b7dee
commit 9aec34703e
1 changed files with 17 additions and 3 deletions
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20
tests/zfs-tests/tests/functional/cli_root/zfs_program/zfs_program_json.ksh
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@ -91,14 +91,28 @@ typeset -a pos_cmds_out=(
}
}
}")
#
# N.B. json.tool is needed to guarantee consistent ordering of fields,
# sed is needed to trim trailing space in CentOS 6's json.tool output
#
# As of Python 3.5 the behavior of json.tool changed to keep the order
# the same as the input and the --sort-keys option was added. Detect when
# --sort-keys is supported and apply the option to ensure the expected order.
#
if python -m json.tool --sort-keys <<< "{}"; then
JSON_TOOL_CMD="python -m json.tool --sort-keys"
else
JSON_TOOL_CMD="python -m json.tool"
fi
typeset -i cnt=0
typeset cmd
for cmd in ${pos_cmds[@]}; do
log_must zfs program $TESTPOOL $TESTZCP $TESTDS $cmd 2>&1
log_must zfs program -j $TESTPOOL $TESTZCP $TESTDS $cmd 2>&1
# json.tool is needed to guarantee consistent ordering of fields
# sed is needed to trim trailing space in CentOS 6's json.tool output
OUTPUT=$(zfs program -j $TESTPOOL $TESTZCP $TESTDS $cmd 2>&1 | python -m json.tool | sed 's/[[:space:]]*$//')
OUTPUT=$(zfs program -j $TESTPOOL $TESTZCP $TESTDS $cmd 2>&1 |
$JSON_TOOL_CMD | sed 's/[[:space:]]*$//')
if [ "$OUTPUT" != "${pos_cmds_out[$cnt]}" ]; then
log_note "Got :$OUTPUT"
log_note "Expected:${pos_cmds_out[$cnt]}"