test: Add test for onion service metrics module

Related to #40063

Signed-off-by: David Goulet <dgoulet@torproject.org>

1 files changed, 68 insertions, 0 deletions

diff --git a/src/test/test_hs_metrics.c b/src/test/test_hs_metrics.c
new file mode 100644
index 0000000000..dd123eb6f1
--- /dev/null
+++ b/src/test/test_hs_metrics.c
@@ -0,0 +1,68 @@
+/* Copyright (c) 2020, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file test_hs_metrics.c
+ * \brief Test hidden service metrics.
+ */
+
+#define HS_SERVICE_PRIVATE
+
+#include "test/test.h"
+#include "test/test_helpers.h"
+#include "test/log_test_helpers.h"
+
+#include "app/config/config.h"
+
+#include "feature/hs/hs_metrics.h"
+#include "feature/hs/hs_service.h"
+
+#include "lib/crypt_ops/crypto_ed25519.h"
+
+static void
+test_metrics(void *arg)
+{
+  hs_service_t *service = NULL;
+
+  (void) arg;
+
+  hs_init();
+
+  service = hs_service_new(get_options());
+  tt_assert(service);
+  service->config.version = HS_VERSION_THREE;
+  ed25519_secret_key_generate(&service->keys.identity_sk, 0);
+  ed25519_public_key_generate(&service->keys.identity_pk,
+                              &service->keys.identity_sk);
+  register_service(get_hs_service_map(), service);
+
+  tt_assert(service->metrics.store);
+
+  /* Update entry by identifier. */
+  hs_metrics_update_by_ident(HS_METRICS_NUM_INTRODUCTIONS,
+                             &service->keys.identity_pk, 0, 42);
+
+  /* Confirm the entry value. */
+  const smartlist_t *entries = metrics_store_get_all(service->metrics.store,
+                                                     "hs_intro_num_total");
+  tt_assert(entries);
+  tt_int_op(smartlist_len(entries), OP_EQ, 1);
+  const metrics_store_entry_t *entry = smartlist_get(entries, 0);
+  tt_assert(entry);
+  tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 42);
+
+  /* Update entry by service now. */
+  hs_metrics_update_by_service(HS_METRICS_NUM_INTRODUCTIONS,
+                               service, 0, 42);
+  tt_int_op(metrics_store_entry_get_value(entry), OP_EQ, 84);
+
+ done:
+  hs_free_all();
+}
+
+struct testcase_t hs_metrics_tests[] = {
+
+  { "metrics", test_metrics, TT_FORK, NULL, NULL },
+
+  END_OF_TESTCASES
+};