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Add unit tests for supported protocols
Prevents future regressions like #25070.
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teor
parent
b67f010678
commit
8bb79ca4a7
@ -8,6 +8,9 @@
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#include "protover.h"
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#include "or.h"
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#include "connection_or.h"
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static void
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test_protover_parse(void *arg)
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{
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@ -250,6 +253,154 @@ test_protover_supports_version(void *arg)
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;
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}
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/* This could be MAX_PROTOCOLS_TO_EXPAND, but that's not exposed by protover */
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#define MAX_PROTOCOLS_TO_TEST 1024
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/* LinkAuth and Relay protocol versions.
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* Hard-coded here, because they are not in the code, or not exposed in the
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* headers. */
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#define PROTOVER_LINKAUTH_V1 1
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#define PROTOVER_LINKAUTH_V3 3
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#define PROTOVER_RELAY_V1 1
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#define PROTOVER_RELAY_V2 2
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/* Highest supported HSv2 introduce protocol version.
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* Hard-coded here, because it does not appear anywhere in the code.
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* It's not clear if we actually support version 2, see #25068. */
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#define PROTOVER_HSINTRO_V2 3
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/* HSv2 Rend and HSDir protocol versions.
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* Hard-coded here, because they do not appear anywhere in the code. */
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#define PROTOVER_HS_RENDEZVOUS_POINT_V2 1
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#define PROTOVER_HSDIR_V2 1
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/* DirCache, Desc, Microdesc, and Cons protocol versions.
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* Hard-coded here, because they do not appear anywhere in the code. */
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#define PROTOVER_DIRCACHE_V1 1
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#define PROTOVER_DIRCACHE_V2 2
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#define PROTOVER_DESC_V1 1
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#define PROTOVER_DESC_V2 2
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#define PROTOVER_MICRODESC_V1 1
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#define PROTOVER_MICRODESC_V2 2
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#define PROTOVER_CONS_V1 1
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#define PROTOVER_CONS_V2 2
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/* Make sure we haven't forgotten any supported protocols */
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static void
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test_protover_supported_protocols(void *arg)
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{
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(void)arg;
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const char *supported_protocols = protover_get_supported_protocols();
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/* Test for new Link in the code, that hasn't been added to supported
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* protocols */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_LINK,
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MAX_LINK_PROTO));
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for (uint16_t i = 0; i < MAX_PROTOCOLS_TO_TEST; i++) {
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if (is_or_protocol_version_known(i)) {
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_LINK,
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i));
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}
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}
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/* Legacy LinkAuth does not appear anywhere in the code. */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_LINKAUTH,
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PROTOVER_LINKAUTH_V1));
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/* Latest LinkAuth is not exposed in the headers. */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_LINKAUTH,
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PROTOVER_LINKAUTH_V3));
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/* Is there any way to test for new LinkAuth? */
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/* Relay protovers do not appear anywhere in the code. */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_RELAY,
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PROTOVER_RELAY_V1));
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_RELAY,
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PROTOVER_RELAY_V2));
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/* Is there any way to test for new Relay? */
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/* We could test legacy HSIntro by calling rend_service_update_descriptor(),
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* and checking the protocols field. But that's unlikely to change, so
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* we just use a hard-coded value. */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_HSINTRO,
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PROTOVER_HSINTRO_V2));
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/* Test for HSv3 HSIntro */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_HSINTRO,
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PROTOVER_HS_INTRO_V3));
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/* Is there any way to test for new HSIntro? */
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/* Legacy HSRend does not appear anywhere in the code. */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_HSREND,
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PROTOVER_HS_RENDEZVOUS_POINT_V2));
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/* Test for HSv3 HSRend */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_HSREND,
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PROTOVER_HS_RENDEZVOUS_POINT_V3));
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/* Is there any way to test for new HSRend? */
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/* Legacy HSDir does not appear anywhere in the code. */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_HSDIR,
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PROTOVER_HSDIR_V2));
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/* Test for HSv3 HSDir */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_HSDIR,
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PROTOVER_HSDIR_V3));
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/* Is there any way to test for new HSDir? */
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/* No DirCache versions appear anywhere in the code. */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_DIRCACHE,
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PROTOVER_DIRCACHE_V1));
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_DIRCACHE,
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PROTOVER_DIRCACHE_V2));
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/* Is there any way to test for new DirCache? */
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/* No Desc versions appear anywhere in the code. */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_DESC,
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PROTOVER_DESC_V1));
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_DESC,
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PROTOVER_DESC_V2));
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/* Is there any way to test for new Desc? */
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/* No Microdesc versions appear anywhere in the code. */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_MICRODESC,
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PROTOVER_MICRODESC_V1));
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_MICRODESC,
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PROTOVER_MICRODESC_V2));
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/* Is there any way to test for new Microdesc? */
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/* No Cons versions appear anywhere in the code. */
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_CONS,
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PROTOVER_CONS_V1));
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tt_assert(protocol_list_supports_protocol(supported_protocols,
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PRT_CONS,
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PROTOVER_CONS_V2));
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/* Is there any way to test for new Cons? */
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done:
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;
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}
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#define PV_TEST(name, flags) \
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{ #name, test_protover_ ##name, (flags), NULL, NULL }
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@ -261,6 +412,7 @@ struct testcase_t protover_tests[] = {
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PV_TEST(list_supports_protocol_for_unsupported_returns_false, 0),
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PV_TEST(list_supports_protocol_returns_true, 0),
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PV_TEST(supports_version, 0),
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PV_TEST(supported_protocols, 0),
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END_OF_TESTCASES
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};
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