test: Add unittest for descriptors with BridgeDistribution option.

1 files changed, 109 insertions, 0 deletions

diff --git a/src/test/test_router.c b/src/test/test_router.c
new file mode 100644
index 0000000000..64434035ef
--- /dev/null
+++ b/src/test/test_router.c
@@ -0,0 +1,109 @@
+/* Copyright (c) 2017, The Tor Project, Inc. */
+/* Copyright (c) 2017, isis agora lovecruft  */
+/* See LICENSE for licensing information     */
+
+/**
+ * \file test_router.c
+ * \brief Unittests for code in src/or/router.c
+ **/
+
+#include "or.h"
+#include "config.h"
+#include "crypto_curve25519.h"
+#include "crypto_ed25519.h"
+#include "router.h"
+#include "routerlist.h"
+
+/* Test suite stuff */
+#include "test.h"
+
+NS_DECL(const routerinfo_t *, router_get_my_routerinfo, (void));
+
+static routerinfo_t* mock_routerinfo;
+
+static const routerinfo_t*
+NS(router_get_my_routerinfo)(void) {
+  crypto_pk_t* ident_key;
+  crypto_pk_t* tap_key;
+  time_t now;
+
+  if (!mock_routerinfo) {
+    /* Mock the published timestamp, otherwise router_dump_router_to_string()
+     * will poop its pants. */
+    time(&now);
+
+    /* We'll need keys, or router_dump_router_to_string() would return NULL. */
+    ident_key = pk_generate(0);
+    tap_key = pk_generate(0);
+
+    tor_assert(ident_key != NULL);
+    tor_assert(tap_key != NULL);
+
+    mock_routerinfo = tor_malloc_zero(sizeof(routerinfo_t));
+    mock_routerinfo->nickname = tor_strdup("ConlonNancarrow");
+    mock_routerinfo->addr = 123456789;
+    mock_routerinfo->or_port = 443;
+    mock_routerinfo->platform = tor_strdup("unittest");
+    mock_routerinfo->cache_info.published_on = now;
+    mock_routerinfo->identity_pkey = crypto_pk_dup_key(ident_key);
+    mock_routerinfo->onion_pkey = crypto_pk_dup_key(tap_key);
+    mock_routerinfo->bandwidthrate = 9001;
+    mock_routerinfo->bandwidthburst = 9002;
+  }
+
+  return mock_routerinfo;
+}
+
+/* If no distribution option was set, then check_bridge_distribution_setting()
+ * should have set it to "any". */
+static void
+test_router_dump_router_to_string_no_bridge_distribution_method(void *arg) {
+  const char* needle = "bridge-distribution-request any";
+  or_options_t* options = get_options_mutable();
+  routerinfo_t* router = NULL;
+  curve25519_keypair_t ntor_keypair;
+  ed25519_keypair_t signing_keypair;
+  char* desc = NULL;
+  char* found = NULL;
+  (void)arg;
+
+  NS_MOCK(router_get_my_routerinfo);
+
+  options->ORPort_set = 1;
+  options->BridgeRelay = 1;
+
+  /* Generate keys which router_dump_router_to_string() expects to exist. */
+  tt_int_op(0, ==, curve25519_keypair_generate(&ntor_keypair, 0));
+  tt_int_op(0, ==, ed25519_keypair_generate(&signing_keypair, 0));
+
+  /* Set up part of our routerinfo_t so that we don't trigger any other
+   * assertions in router_dump_router_to_string(). */
+  router = (routerinfo_t*)router_get_my_routerinfo();
+  tt_ptr_op(router, !=, NULL);
+
+  router->onion_curve25519_pkey = &ntor_keypair.pubkey;
+
+  /* Generate our server descriptor and ensure that the substring
+   * "bridge-distribution-request any" occurs somewhere within it. */
+  desc = router_dump_router_to_string(router,
+                                      router->identity_pkey,
+                                      router->onion_pkey,
+                                      &ntor_keypair,
+                                      &signing_keypair);
+  tt_ptr_op(desc, !=, NULL);
+  found = strstr(desc, needle);
+  tt_ptr_op(found, !=, NULL);
+
+ done:
+  NS_UNMOCK(router_get_my_routerinfo);
+
+  tor_free(desc);
+}
+
+#define ROUTER_TEST(name, flags)                          \
+  { #name, test_router_ ## name, flags, NULL, NULL }
+
+struct testcase_t router_tests[] = {
+  ROUTER_TEST(dump_router_to_string_no_bridge_distribution_method, TT_FORK),
+  END_OF_TESTCASES
+};