tests: add unit test for libknot/probe

diff --git a/Knot.files b/Knot.files
index 485878abdb1ee9ee0d990d86b4bd09803cb577d5..a1e7c63919e4c1e890d7cd5ac0576e7a6bf71c1b 100644 (file)
--- a/Knot.files
+++ b/Knot.files
@@ -591,6 +591,7 @@ tests/libknot/test_edns_ecs.c
 tests/libknot/test_endian.c
 tests/libknot/test_lookup.c
 tests/libknot/test_pkt.c
+tests/libknot/test_probe.c
 tests/libknot/test_rdata.c
 tests/libknot/test_rdataset.c
 tests/libknot/test_rrset-wire.c

diff --git a/tests/.gitignore b/tests/.gitignore
index 25c20136553db887bd51076bf4507ed553af5b97..eed2ccbe1ab6505e826d5b7545afb5f235e07ab4 100644 (file)
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -73,6 +73,7 @@
 /libknot/test_endian
 /libknot/test_lookup
 /libknot/test_pkt
+/libknot/test_probe
 /libknot/test_rdata
 /libknot/test_rdataset
 /libknot/test_rrset

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 9c32d6b93f04275ce33ec078ae1fc5d0a84f981f..0c9cf152b6576f3b5e364ff4be67aa70cbfd6fa2 100644 (file)
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -142,6 +142,7 @@ check_PROGRAMS += \
        libknot/test_endian                     \
        libknot/test_lookup                     \
        libknot/test_pkt                        \
+       libknot/test_probe                      \
        libknot/test_rdata                      \
        libknot/test_rdataset                   \
        libknot/test_rrset                      \

diff --git a/tests/libknot/test_probe.c b/tests/libknot/test_probe.c
new file mode 100644 (file)
index 0000000..b8afaf5
--- /dev/null
+++ b/tests/libknot/test_probe.c
@@ -0,0 +1,96 @@
+/*  Copyright (C) 2021 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <tap/basic.h>
+#include <tap/files.h>
+
+#include <arpa/inet.h>
+#include <netinet/in.h>
+
+#include "contrib/sockaddr.h"
+#include "libknot/packet/pkt.c"
+#include "libknot/probe/probe.h"
+
+int main(int argc, char *argv[])
+{
+       plan_lazy();
+
+       knot_probe_t *probe_out = knot_probe_alloc();
+       ok(probe_out != NULL, "probe: initialize output probe");
+       knot_probe_t *probe_in = knot_probe_alloc();
+       ok(probe_in != NULL, "probe: initialize input probe");
+
+       int fd = knot_probe_fd(probe_out);
+       ok(fd < 0, "probe: unavailable fd");
+
+       char *workdir = test_mkdtemp();
+       ok(workdir != NULL, "probe: create temporary workdir");
+
+       int ret = knot_probe_set_producer(probe_out, workdir, 1);
+       ok(ret == KNOT_ECONN, "probe: connect producer");
+
+       ret = knot_probe_set_consumer(probe_in, workdir, 1);
+       ok(ret == KNOT_EOK, "probe: connect consumer");
+       fd = knot_probe_fd(probe_in);
+       ok(fd >= 0, "probe: get input probe fd");
+
+       ret = knot_probe_set_producer(probe_out, workdir, 1);
+       ok(ret == KNOT_EOK, "probe: reconnect producer");
+       fd = knot_probe_fd(probe_out);
+       ok(fd >= 0, "probe: get output probe fd");
+
+       struct sockaddr_storage addr;
+       ret = sockaddr_set(&addr, AF_INET, "192.168.0.1", 53);
+       ok(ret == KNOT_EOK, "probe: set address");
+
+       knot_pkt_t *query = knot_pkt_new(NULL, KNOT_WIRE_MAX_PKTSIZE, NULL);
+       ok(query != NULL, "probe: create query");
+       knot_pkt_t *reply = knot_pkt_new(NULL, KNOT_WIRE_MAX_PKTSIZE, NULL);
+       ok(reply != NULL, "probe: create reply");
+
+       ret = knot_pkt_put_question(query, (const uint8_t *)"\x04test\x00",
+                                   KNOT_CLASS_IN, KNOT_RRTYPE_SOA);
+       ok(ret == KNOT_EOK, "probe: put query");
+
+       knot_probe_data_t data_out;
+       ret = knot_probe_data_set(&data_out, KNOT_PROBE_PROTO_UDP,
+                                 &addr, &addr, query, reply, KNOT_RCODE_NXDOMAIN);
+       ok(ret == KNOT_EOK, "probe: connect producer");
+
+       knot_pkt_free(query);
+       knot_pkt_free(reply);
+
+       ret = knot_probe_produce(probe_out, &data_out, 1);
+       ok(ret == KNOT_EOK, "probe: produce datagram");
+
+       knot_probe_data_t data_in;
+       ret = knot_probe_consume(probe_in, &data_in, 1, 20);
+       ok(ret == 1, "probe: consume datagram");
+
+       ret = memcmp(&data_in, &data_out, offsetof(knot_probe_data_t, query.qname));
+       ok(ret == 0, "probe: data comparsion");
+
+       ret = knot_dname_cmp(data_in.query.qname, data_out.query.qname);
+       ok(ret == 0, "probe: qname comparison");
+
+       knot_probe_free(probe_in);
+       knot_probe_free(probe_out);
+
+       test_rm_rf(workdir);
+       free(workdir);
+
+       return 0;
+}