tests/shell: skip tests if nft does not support JSON mode

We can build nft without JSON support, and some tests will fail without
it. Instead, they should be skipped. Also note, that the test accepts any
nft binary via the "NFT" environment variable. So it's not enough to
make the skipping dependent on build configuration, but on the currently
used $NFT variable.

Let "run-test.sh" detect and export a "NFT_TEST_HAVE_json=y|n" variable. This
is heavily inspired by Florian's feature probing patches.

Tests that require JSON can check that variable, and skip. Note that
they check in the form of [ "$NFT_TEST_HAVE_json" != n ], so the test is
only skipped, if we explicitly detect lack of support. That is, don't
check via [ "$NFT_TEST_HAVE_json" = y ].

Some of the tests still run parts of the tests that don't require JSON.
Only towards the end of such partial run, mark the test as skipped.

Some tests require JSON support throughout. For those, add  a mechanism
where tests can add a tag (in their first 10 lines):

  # NFT_TEST_REQUIRES(NFT_TEST_HAVE_json)

This will be checked by "test-wrapper.sh", which will skip the test.
The purpose of this is to make it low-effort to skip a test and to print
the reason in the text output as

    Test skipped due to NFT_TEST_HAVE_json=n (test has "NFT_TEST_REQUIRES(NFT_TEST_HAVE_json)" tag)

This is intentionally not shortened to NFT_TEST_REQUIRES(json), so that
we can grep for NFT_TEST_HAVE_json to find all relevant places.

Note that while NFT_TEST_HAVE_json is autodetected, the caller can also
force it by setting the environment variable. This allows to see what
would happen to such a test.

Signed-off-by: Thomas Haller <thaller@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>

diff --git a/tests/shell/helpers/test-wrapper.sh b/tests/shell/helpers/test-wrapper.sh
index 03213187eb3c0027e70988536e03c3205966f731..ffd0fb3ffb4bf2ca038661dbd2c351eaaba58cc6 100755 (executable)
--- a/tests/shell/helpers/test-wrapper.sh
+++ b/tests/shell/helpers/test-wrapper.sh
@@ -5,6 +5,16 @@
 #
 # For some printf debugging, you can also patch this file.
 
+array_contains() {
+       local needle="$1"
+       local a
+       shift
+       for a; do
+               [ "$a" = "$needle" ] && return 0
+       done
+       return 1
+}
+
 TEST="$1"
 TESTBASE="$(basename "$TEST")"
 TESTDIR="$(dirname "$TEST")"
@@ -40,8 +50,31 @@ if [ "$NFT_TEST_HAS_UNSHARED_MOUNT" = y ] ; then
        fi
 fi
 
+TEST_TAGS_PARSED=0
+ensure_TEST_TAGS() {
+       if [ "$TEST_TAGS_PARSED" = 0 ] ; then
+               TEST_TAGS_PARSED=1
+               TEST_TAGS=( $(sed -n '1,10 { s/^.*\<\(NFT_TEST_REQUIRES\)\>\s*(\s*\(NFT_TEST_HAVE_[a-zA-Z0-9_]\+\)\s*).*$/\1(\2)/p }' "$1" 2>/dev/null || : ) )
+       fi
+}
+
 rc_test=0
-"$TEST" &> "$NFT_TEST_TESTTMPDIR/testout.log" || rc_test=$?
+
+for KEY in $(compgen -v | grep '^NFT_TEST_HAVE_') ; do
+       if [ "${!KEY}" != n ]; then
+               continue
+       fi
+       ensure_TEST_TAGS "$TEST"
+       if array_contains "NFT_TEST_REQUIRES($KEY)" "${TEST_TAGS[@]}" ; then
+               echo "Test skipped due to $KEY=n (test has \"NFT_TEST_REQUIRES($KEY)\" tag)" >> "$NFT_TEST_TESTTMPDIR/testout.log"
+               rc_test=77
+               break
+       fi
+done
+
+if [ "$rc_test" -eq 0 ] ; then
+       "$TEST" &>> "$NFT_TEST_TESTTMPDIR/testout.log" || rc_test=$?
+fi
 
 $NFT list ruleset > "$NFT_TEST_TESTTMPDIR/ruleset-after"
 

diff --git a/tests/shell/run-tests.sh b/tests/shell/run-tests.sh
index d57108c054d1249a2298e1af42f8d3d7fcfb9ac3..51d285e3d9f42f2acb1bbc9e6ac47ca5f94d66ae 100755 (executable)
--- a/tests/shell/run-tests.sh
+++ b/tests/shell/run-tests.sh
@@ -11,6 +11,16 @@ if [[ -t 1 && -z "$NO_COLOR" ]] ; then
        RESET=$'\e[0m'
 fi
 
+array_contains() {
+       local needle="$1"
+       local a
+       shift
+       for a; do
+               [ "$a" = "$needle" ] && return 0
+       done
+       return 1
+}
+
 _msg() {
        local level="$1"
        shift
@@ -160,6 +170,10 @@ usage() {
        echo "                 kernel modules)."
        echo "                 Parallel jobs requires unshare and are disabled with NFT_TEST_UNSHARE_CMD=\"\"."
        echo " TMPDIR=<PATH> : select a different base directory for the result data."
+       echo
+       echo " NFT_TEST_HAVE_<FEATURE>=*|y: Some tests requires certain features or will be skipped."
+       echo "                 The features are autodetected, but you can force it by setting the variable."
+       echo "                 Supported <FEATURE>s are: ${_HAVE_OPTS[@]}."
 }
 
 NFT_TEST_BASEDIR="$(dirname "$0")"
@@ -167,6 +181,13 @@ NFT_TEST_BASEDIR="$(dirname "$0")"
 # Export the base directory. It may be used by tests.
 export NFT_TEST_BASEDIR
 
+_HAVE_OPTS=( json )
+for KEY in $(compgen -v | grep '^NFT_TEST_HAVE_' | sort) ; do
+       if ! array_contains "${KEY#NFT_TEST_HAVE_}" "${_HAVE_OPTS[@]}" ; then
+               unset "$KEY"
+       fi
+done
+
 _NFT_TEST_JOBS_DEFAULT="$(nproc)"
 [ "$_NFT_TEST_JOBS_DEFAULT" -gt 0 ] 2>/dev/null || _NFT_TEST_JOBS_DEFAULT=1
 _NFT_TEST_JOBS_DEFAULT="$(( _NFT_TEST_JOBS_DEFAULT + (_NFT_TEST_JOBS_DEFAULT + 1) / 2 ))"
@@ -367,6 +388,16 @@ if [ ${ret} -eq 126 ] || [ ${ret} -eq 127 ]; then
        msg_error "cannot execute nft command: $NFT"
 fi
 
+NFT_REAL="${NFT_REAL-$NFT}"
+
+if [ -z "${NFT_TEST_HAVE_json+x}" ] ; then
+       NFT_TEST_HAVE_json=y
+       $NFT_TEST_UNSHARE_CMD "$NFT_REAL" -j list ruleset &>/dev/null || NFT_TEST_HAVE_json=n
+else
+       NFT_TEST_HAVE_json="$(bool_n "$NFT_TEST_HAVE_json")"
+fi
+export NFT_TEST_HAVE_json
+
 if [ "$NFT_TEST_JOBS" -eq 0 ] ; then
        MODPROBE="$(which modprobe)"
        if [ ! -x "$MODPROBE" ] ; then
@@ -392,8 +423,6 @@ chmod 755 "$NFT_TEST_TMPDIR"
 
 exec &> >(tee "$NFT_TEST_TMPDIR/test.log")
 
-NFT_REAL="${NFT_REAL-$NFT}"
-
 msg_info "conf: NFT=$(printf '%q' "$NFT")"
 msg_info "conf: NFT_REAL=$(printf '%q' "$NFT_REAL")"
 msg_info "conf: VERBOSE=$(printf '%q' "$VERBOSE")"
@@ -408,6 +437,11 @@ msg_info "conf: NFT_TEST_HAS_UNSHARED_MOUNT=$(printf '%q' "$NFT_TEST_HAS_UNSHARE
 msg_info "conf: NFT_TEST_KEEP_LOGS=$(printf '%q' "$NFT_TEST_KEEP_LOGS")"
 msg_info "conf: NFT_TEST_JOBS=$NFT_TEST_JOBS"
 msg_info "conf: TMPDIR=$(printf '%q' "$_TMPDIR")"
+echo
+for KEY in $(compgen -v | grep '^NFT_TEST_HAVE_' | sort) ; do
+       msg_info "conf: $KEY=$(printf '%q' "${!KEY}")"
+       export "$KEY"
+done
 
 NFT_TEST_LATEST="$_TMPDIR/nft-test.latest.$USER"
 

diff --git a/tests/shell/testcases/json/0001set_statements_0 b/tests/shell/testcases/json/0001set_statements_0
index 1c72d35b2dbdecff0df748fa1964f7a0147f04fe..fc4941f4da1101fc215b337961574fafe108a41e 100755 (executable)
--- a/tests/shell/testcases/json/0001set_statements_0
+++ b/tests/shell/testcases/json/0001set_statements_0
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+# NFT_TEST_REQUIRES(NFT_TEST_HAVE_json)
+
 set -e
 
 $NFT flush ruleset

diff --git a/tests/shell/testcases/json/0002table_map_0 b/tests/shell/testcases/json/0002table_map_0
index 4b54527bc8399e69d5453f9b1420f28d65a1d4ce..b375e9969608c74a77c26095182e5a8c950f5c38 100755 (executable)
--- a/tests/shell/testcases/json/0002table_map_0
+++ b/tests/shell/testcases/json/0002table_map_0
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+# NFT_TEST_REQUIRES(NFT_TEST_HAVE_json)
+
 set -e
 
 $NFT flush ruleset

diff --git a/tests/shell/testcases/json/0003json_schema_version_0 b/tests/shell/testcases/json/0003json_schema_version_0
index 0ccf94c88cc51db1ff4c584b1ddf05192f37532a..43f387a194446c1f9399fe1bb21d45437bcffbfd 100755 (executable)
--- a/tests/shell/testcases/json/0003json_schema_version_0
+++ b/tests/shell/testcases/json/0003json_schema_version_0
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+# NFT_TEST_REQUIRES(NFT_TEST_HAVE_json)
+
 set -e
 
 $NFT flush ruleset

diff --git a/tests/shell/testcases/json/0004json_schema_version_1 b/tests/shell/testcases/json/0004json_schema_version_1
index bc451ae7eaaad86bf6a9e512f70df735e9ef549d..0f8d586f9d7c500775cf54cc72bf0e3a8f25a213 100755 (executable)
--- a/tests/shell/testcases/json/0004json_schema_version_1
+++ b/tests/shell/testcases/json/0004json_schema_version_1
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+# NFT_TEST_REQUIRES(NFT_TEST_HAVE_json)
+
 set -e
 
 $NFT flush ruleset

diff --git a/tests/shell/testcases/json/0005secmark_objref_0 b/tests/shell/testcases/json/0005secmark_objref_0
index ae967435038f6867294065ddeeac864d3ef5282f..992d1b000d8654cdb6135a258ab985e12374caca 100755 (executable)
--- a/tests/shell/testcases/json/0005secmark_objref_0
+++ b/tests/shell/testcases/json/0005secmark_objref_0
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+# NFT_TEST_REQUIRES(NFT_TEST_HAVE_json)
+
 set -e
 
 $NFT flush ruleset

diff --git a/tests/shell/testcases/json/0006obj_comment_0 b/tests/shell/testcases/json/0006obj_comment_0
index 76d8fe1652ac0bc18e43f9ad11d5e266e116fe44..4c2a0e8c0880fdb3649ca2b2f8980635ea5568b6 100755 (executable)
--- a/tests/shell/testcases/json/0006obj_comment_0
+++ b/tests/shell/testcases/json/0006obj_comment_0
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+# NFT_TEST_REQUIRES(NFT_TEST_HAVE_json)
+
 set -e
 
 $NFT flush ruleset

diff --git a/tests/shell/testcases/json/netdev b/tests/shell/testcases/json/netdev
index 9f6033810b558a865b339fa6f0814f0e5c74f2a8..dad7afcdc020f1d545a81b6c6777f1c09dd6659b 100755 (executable)
--- a/tests/shell/testcases/json/netdev
+++ b/tests/shell/testcases/json/netdev
@@ -16,4 +16,11 @@ $NFT flush ruleset
 
 RULESET='{"nftables":[{"flush":{"ruleset":null}},{"add":{"table":{"family":"netdev","name":"test_table"}}},{"add":{"chain":{"family":"netdev","table":"test_table","name":"test_chain","type":"filter","hook":"ingress","prio":0,"dev":"d0","policy":"accept"}}}]}'
 
-$NFT -j -f - <<< $RULESET
+if [ "$NFT_TEST_HAVE_json" != n ]; then
+       $NFT -j -f - <<< $RULESET
+fi
+
+if [ "$NFT_TEST_HAVE_json" = n ]; then
+       echo "Test partially skipped due to missing JSON support."
+       exit 77
+fi

diff --git a/tests/shell/testcases/listing/0021ruleset_json_terse_0 b/tests/shell/testcases/listing/0021ruleset_json_terse_0
index 6be41b8635ae231a368b76828696427a1782d53e..98a7ce8a4be945c6dfb22cd31f2c2664402684f6 100755 (executable)
--- a/tests/shell/testcases/listing/0021ruleset_json_terse_0
+++ b/tests/shell/testcases/listing/0021ruleset_json_terse_0
@@ -6,7 +6,14 @@ $NFT add chain ip test c
 $NFT add set ip test s { type ipv4_addr\; }
 $NFT add element ip test s { 192.168.3.4, 192.168.3.5 }
 
-if $NFT -j -t list ruleset | grep '192\.168'
-then
-       exit 1
+if [ "$NFT_TEST_HAVE_json" != n ]; then
+       if $NFT -j -t list ruleset | grep '192\.168'
+       then
+               exit 1
+       fi
+fi
+
+if [ "$NFT_TEST_HAVE_json" = n ]; then
+    echo "Test partially skipped due to missing JSON support."
+    exit 77
 fi

diff --git a/tests/shell/testcases/transactions/0049huge_0 b/tests/shell/testcases/transactions/0049huge_0
index 1a3a75c7cdaa9d2af4f9dfd012ad01a5d2bf2429..f66953c2ab701190322b825f248433d0586b9195 100755 (executable)
--- a/tests/shell/testcases/transactions/0049huge_0
+++ b/tests/shell/testcases/transactions/0049huge_0
@@ -37,7 +37,10 @@ done
        echo '{"add": {"rule": {"family": "inet", "table": "test", "chain": "c", "expr": [{"accept": null}], "comment": "rule'$((${RULE_COUNT} - 1))'"}}}'
 echo ']}'
 )
-test $($NFT -j -e -a -f - <<< "$RULESET" |sed 's/\({"add":\)/\n\1/g' |grep '"handle"' |wc -l) -eq ${RULE_COUNT} || exit 1
+
+if [ "$NFT_TEST_HAVE_json" != n ]; then
+       test $($NFT -j -e -a -f - <<< "$RULESET" |sed 's/\({"add":\)/\n\1/g' |grep '"handle"' |wc -l) -eq ${RULE_COUNT} || exit 1
+fi
 
 # Now an example from firewalld's testsuite
 #
@@ -47,7 +50,14 @@ RULESET='{"nftables": [{"metainfo": {"json_schema_version": 1}}, {"add": {"table
 {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "raw_PREROUTING", "type": "filter", "hook": "prerouting", "prio": -290}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "raw_PREROUTING_ZONES"}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "raw_PREROUTING", "expr": [{"jump": {"target": "raw_PREROUTING_ZONES"}}]}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "mangle_PREROUTING", "type": "filter", "hook": "prerouting", "prio": -140}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "mangle_PREROUTING_ZONES"}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "mangle_PREROUTING", "expr": [{"jump": {"target": "mangle_PREROUTING_ZONES"}}]}}}, {"add": {"chain": {"family": "ip", "table": "firewalld", "name": "nat_PREROUTING", "type": "nat", "hook": "prerouting", "prio": -90}}}, {"add": {"chain": {"family": "ip", "table": "firewalld", "name": "nat_PREROUTING_ZONES"}}}, {"add": {"rule": {"family": "ip", "table": "firewalld", "chain": "nat_PREROUTING", "expr": [{"jump": {"target": "nat_PREROUTING_ZONES"}}]}}}, {"add": {"chain": {"family": "ip", "table": "firewalld", "name": "nat_POSTROUTING", "type": "nat", "hook": "postrouting", "prio": 110}}}, {"add": {"chain": {"family": "ip", "table": "firewalld", "name": "nat_POSTROUTING_ZONES"}}}, {"add": {"rule": {"family": "ip", "table": "firewalld", "chain": "nat_POSTROUTING", "expr": [{"jump": {"target": "nat_POSTROUTING_ZONES"}}]}}}, {"add": {"chain": {"family": "ip6", "table": "firewalld", "name": "nat_PREROUTING", "type": "nat", "hook": "prerouting", "prio": -90}}}, {"add": {"chain": {"family": "ip6", "table": "firewalld", "name": "nat_PREROUTING_ZONES"}}}, {"add": {"rule": {"family": "ip6", "table": "firewalld", "chain": "nat_PREROUTING", "expr": [{"jump": {"target": "nat_PREROUTING_ZONES"}}]}}}, {"add": {"chain": {"family": "ip6", "table": "firewalld", "name": "nat_POSTROUTING", "type": "nat", "hook": "postrouting", "prio": 110}}}, {"add": {"chain": {"family": "ip6", "table": "firewalld", "name": "nat_POSTROUTING_ZONES"}}}, {"add": {"rule": {"family": "ip6", "table": "firewalld", "chain": "nat_POSTROUTING", "expr": [{"jump": {"target": "nat_POSTROUTING_ZONES"}}]}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_INPUT", "type": "filter", "hook": "input", "prio": 10}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_FORWARD", "type": "filter", "hook": "forward", "prio": 10}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_OUTPUT", "type": "filter", "hook": "output", "prio": 10}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_INPUT_ZONES"}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_INPUT", "expr": [{"match": {"left": {"ct": {"key": "state"}}, "op": "in", "right": {"set": ["established", "related"]}}}, {"accept": null}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_INPUT", "expr": [{"match": {"left": {"ct": {"key": "status"}}, "op": "in", "right": "dnat"}}, {"accept": null}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_INPUT", "expr": [{"match": {"left": {"meta": {"key": "iifname"}}, "op": "==", "right": "lo"}}, {"accept": null}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_INPUT", "expr": [{"jump": {"target": "filter_INPUT_ZONES"}}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_INPUT", "expr": [{"match": {"left": {"ct": {"key": "state"}}, "op": "in", "right": {"set": ["invalid"]}}}, {"drop": null}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_INPUT", "expr": [{"reject": {"type": "icmpx", "expr": "admin-prohibited"}}]}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_FORWARD_IN_ZONES"}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_FORWARD_OUT_ZONES"}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FORWARD", "expr": [{"match": {"left": {"ct": {"key": "state"}}, "op": "in", "right": {"set": ["established", "related"]}}}, {"accept": null}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FORWARD", "expr": [{"match": {"left": {"ct": {"key": "status"}}, "op": "in", "right": "dnat"}}, {"accept": null}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FORWARD", "expr": [{"match": {"left": {"meta": {"key": "iifname"}}, "op": "==", "right": "lo"}}, {"accept": null}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FORWARD", "expr": [{"jump": {"target": "filter_FORWARD_IN_ZONES"}}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FORWARD", "expr": [{"jump": {"target": "filter_FORWARD_OUT_ZONES"}}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FORWARD", "expr": [{"match": {"left": {"ct": {"key": "state"}}, "op": "in", "right": {"set": ["invalid"]}}}, {"drop": null}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FORWARD", "expr": [{"reject": {"type": "icmpx", "expr": "admin-prohibited"}}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_OUTPUT", "expr": [{"match": {"left": {"meta": {"key": "oifname"}}, "op": "==", "right": "lo"}}, {"accept": null}]}}}, {"insert": {"rule": {"family": "inet", "table": "firewalld", "chain": "raw_PREROUTING", "expr": [{"match": {"left": {"meta": {"key": "nfproto"}}, "op": "==", "right": "ipv6"}}, {"match": {"left": {"fib": {"flags": ["saddr", "iif"], "result": "oif"}}, "op": "==", "right": false}}, {"drop": null}]}}}, {"insert": {"rule": {"family": "inet", "table": "firewalld", "chain": "raw_PREROUTING", "expr": [{"match": {"left": {"payload": {"protocol": "icmpv6", "field": "type"}}, "op": "==", "right": {"set": ["nd-router-advert", "nd-neighbor-solicit"]}}}, {"accept": null}]}}},
 {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_OUTPUT", "index": 0, "expr": [{"match": {"left": {"payload": {"protocol": "ip6", "field": "daddr"}}, "op": "==", "right": {"set": [{"prefix": {"addr": "::0.0.0.0", "len": 96}}, {"prefix": {"addr": "::ffff:0.0.0.0", "len": 96}}, {"prefix": {"addr": "2002:0000::", "len": 24}}, {"prefix": {"addr": "2002:0a00::", "len": 24}}, {"prefix": {"addr": "2002:7f00::", "len": 24}}, {"prefix": {"addr": "2002:ac10::", "len": 28}}, {"prefix": {"addr": "2002:c0a8::", "len": 32}}, {"prefix": {"addr": "2002:a9fe::", "len": 32}}, {"prefix": {"addr": "2002:e000::", "len": 19}}]}}}, {"reject": {"type": "icmpv6", "expr": "addr-unreachable"}}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FORWARD", "index": 2, "expr": [{"match": {"left": {"payload": {"protocol": "ip6", "field": "daddr"}}, "op": "==", "right": {"set": [{"prefix": {"addr": "::0.0.0.0", "len": 96}}, {"prefix": {"addr": "::ffff:0.0.0.0", "len": 96}}, {"prefix": {"addr": "2002:0000::", "len": 24}}, {"prefix": {"addr": "2002:0a00::", "len": 24}}, {"prefix": {"addr": "2002:7f00::", "len": 24}}, {"prefix": {"addr": "2002:ac10::", "len": 28}}, {"prefix": {"addr": "2002:c0a8::", "len": 32}}, {"prefix": {"addr": "2002:a9fe::", "len": 32}}, {"prefix": {"addr": "2002:e000::", "len": 19}}]}}}, {"reject": {"type": "icmpv6", "expr": "addr-unreachable"}}]}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "raw_PRE_public"}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "raw_PRE_public_pre"}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "raw_PRE_public_log"}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "raw_PRE_public_deny"}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "raw_PRE_public_allow"}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "raw_PRE_public_post"}}}, {"add": {"rule": {"family": 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{"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FWDI_work", "expr": [{"jump": {"target": "filter_FWDI_work_allow"}}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FWDI_work", "expr": [{"jump": {"target": "filter_FWDI_work_post"}}]}}}, {"insert": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FORWARD_IN_ZONES", "expr": [{"match": {"left": {"meta": {"key": "iifname"}}, "op": "==", "right": "perm_dummy"}}, {"goto": {"target": "filter_FWDI_work"}}]}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_FWDO_work"}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_FWDO_work_pre"}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_FWDO_work_log"}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_FWDO_work_deny"}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_FWDO_work_allow"}}}, {"add": {"chain": {"family": "inet", "table": "firewalld", "name": "filter_FWDO_work_post"}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FWDO_work", "expr": [{"jump": {"target": "filter_FWDO_work_pre"}}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FWDO_work", "expr": [{"jump": {"target": "filter_FWDO_work_log"}}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FWDO_work", "expr": [{"jump": {"target": "filter_FWDO_work_deny"}}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FWDO_work", "expr": [{"jump": {"target": "filter_FWDO_work_allow"}}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FWDO_work", "expr": [{"jump": {"target": "filter_FWDO_work_post"}}]}}}, {"insert": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FORWARD_OUT_ZONES", "expr": [{"match": {"left": {"meta": {"key": "oifname"}}, "op": "==", "right": "perm_dummy"}}, {"goto": {"target": "filter_FWDO_work"}}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_IN_work", "index": 4, "expr": [{"match": {"left": {"meta": {"key": "l4proto"}}, "op": "==", "right": {"set": ["icmp", "icmpv6"]}}}, {"accept": null}]}}}, {"add": {"rule": {"family": "inet", "table": "firewalld", "chain": "filter_FWDI_work", "index": 4, "expr": [{"match": {"left": {"meta": {"key": "l4proto"}}, "op": "==", "right": {"set": ["icmp", "icmpv6"]}}}, {"accept": null}]}}}]}'
 
-test -z "$($NFT -j -e -a -f - <<< "$RULESET" |sed 's/\({"add":\|{"insert":\)/\n\1/g' |grep '\({"add":\|{"insert":\)' | grep -v '"handle"')"
+if [ "$NFT_TEST_HAVE_json" != n ]; then
+       test -z "$($NFT -j -e -a -f - <<< "$RULESET" |sed 's/\({"add":\|{"insert":\)/\n\1/g' |grep '\({"add":\|{"insert":\)' | grep -v '"handle"')"
+fi
+
+if [ "$NFT_TEST_HAVE_json" = n ]; then
+       echo "Test partially skipped due to missing JSON support."
+       exit 77
+fi
 
 if [ "$RULE_COUNT" != 3000 ] ; then
        echo "NFT_TEST_HAS_SOCKET_LIMITS indicates that the socket limit for"