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/*
* Copyright (c) 2021 Cisco and/or its affiliates.
*/
#include <gtest/gtest.h>
extern "C" {
#include <hicn/core/subscription.h>
#include <hicn/util/vector.h>
}
static inline unsigned CONN_ID = 1;
static inline unsigned CONN_ID_2 = 2;
class SubscriptionTest : public ::testing::Test {
protected:
SubscriptionTest() { subscriptions = subscription_table_create(); }
virtual ~SubscriptionTest() { subscription_table_free(subscriptions); }
subscription_table_t *subscriptions;
};
TEST_F(SubscriptionTest, CreateSubscriptionTable) {
// Check subscription table allocation
ASSERT_NE(subscriptions, nullptr);
}
TEST_F(SubscriptionTest, SetTopic) {
hc_topics_t topics = TOPIC_STRATEGY;
// Check that only the topic desired has been subscribed to
for (int topic = TOPIC_UNDEFINED; topic < TOPIC_N; topic <<= 1) {
if (topic == TOPIC_STRATEGY) {
EXPECT_TRUE(topics_contains(topics, (hc_topic_t)topic));
continue;
}
EXPECT_FALSE(topics_contains(topics, (hc_topic_t)topic));
}
}
TEST_F(SubscriptionTest, GetObjectFromTopic) {
hc_object_type_t object_type = object_from_topic(TOPIC_STRATEGY);
EXPECT_EQ(object_type, OBJECT_TYPE_STRATEGY);
object_type = object_from_topic(TOPIC_FACE);
EXPECT_EQ(object_type, OBJECT_TYPE_FACE);
}
TEST_F(SubscriptionTest, AddSubscription) {
hc_topics_t topics = TOPIC_STRATEGY;
int ret = subscription_table_add_topics_for_connection(subscriptions, topics,
CONN_ID);
EXPECT_EQ(ret, 0); // 0 = success
hc_topics_t topics_ret =
subscription_table_get_topics_for_connection(subscriptions, CONN_ID);
EXPECT_EQ(topics_ret, topics);
}
TEST_F(SubscriptionTest, AddAndRemoveSubscriptionForAllTopics) {
hc_topics_t topics = ALL_TOPICS;
int ret = subscription_table_add_topics_for_connection(subscriptions,
ALL_TOPICS, CONN_ID);
EXPECT_EQ(ret, 0); // 0 = success
int num_subscriptions_removed =
subscription_table_remove_topics_for_connection(subscriptions, topics,
CONN_ID);
EXPECT_EQ(num_subscriptions_removed, NUM_TOPICS);
hc_topics_t topics_ret =
subscription_table_get_topics_for_connection(subscriptions, CONN_ID);
EXPECT_EQ(topics_ret, 0u);
}
// Failure while adding subscription cannot be tested since it depends on vector
// reallocation
TEST_F(SubscriptionTest, AddSubscriptionAlreadyAdded) {
hc_topics_t topics = TOPIC_STRATEGY;
int ret = subscription_table_add_topics_for_connection(subscriptions, topics,
CONN_ID);
EXPECT_EQ(ret, 0); // 0 = success
// Subscribe again to same topic
ret = subscription_table_add_topics_for_connection(subscriptions, topics,
CONN_ID);
EXPECT_EQ(ret, -2); // -2 = already-added subscription
hc_topics_t topics_ret =
subscription_table_get_topics_for_connection(subscriptions, CONN_ID);
EXPECT_EQ(topics_ret, topics);
}
TEST_F(SubscriptionTest, GetSubscriptionsForConnectionWithoutSubscriptions) {
hc_topics_t topics_ret =
subscription_table_get_topics_for_connection(subscriptions, CONN_ID);
EXPECT_EQ(topics_ret, (hc_topics_t)0);
}
TEST_F(SubscriptionTest, GetSubscriptionsForConnectionWithMultipleSubs) {
hc_topics_t topics = TOPIC_STRATEGY | TOPIC_FACE;
int ret = subscription_table_add_topics_for_connection(subscriptions, topics,
CONN_ID);
EXPECT_EQ(ret, 0); // 0 = success
hc_topics_t topics_ret =
subscription_table_get_topics_for_connection(subscriptions, CONN_ID);
EXPECT_EQ(topics_ret, topics);
// Add another subscription
ret = subscription_table_add_topics_for_connection(subscriptions, TOPIC_PROBE,
CONN_ID);
EXPECT_EQ(ret, 0); // 0 = success
topics_ret =
subscription_table_get_topics_for_connection(subscriptions, CONN_ID);
EXPECT_EQ(topics_ret, topics |= TOPIC_PROBE);
}
TEST_F(SubscriptionTest, RemoveSubscription) {
// Add subscriptions
hc_topics_t topics = TOPIC_STRATEGY | TOPIC_FACE;
int ret = subscription_table_add_topics_for_connection(subscriptions, topics,
CONN_ID);
EXPECT_EQ(ret, 0); // 0 = success
// Remove one of the previously added subscriptions
int num_subscriptions_removed =
subscription_table_remove_topics_for_connection(subscriptions,
TOPIC_STRATEGY, CONN_ID);
EXPECT_EQ(num_subscriptions_removed, 1);
hc_topics_t topics_ret =
subscription_table_get_topics_for_connection(subscriptions, CONN_ID);
EXPECT_EQ(topics_ret, TOPIC_FACE);
}
TEST_F(SubscriptionTest, RemoveMultipleSubscriptions) {
// Add subscriptions
hc_topics_t topics = TOPIC_STRATEGY | TOPIC_FACE | TOPIC_PROBE;
int ret = subscription_table_add_topics_for_connection(subscriptions, topics,
CONN_ID);
EXPECT_EQ(ret, 0); // 0 = success
// Remove two of the previously added subscriptions
int num_subscriptions_removed =
subscription_table_remove_topics_for_connection(
subscriptions, TOPIC_STRATEGY | TOPIC_FACE, CONN_ID);
EXPECT_EQ(num_subscriptions_removed, 2);
hc_topics_t topics_ret =
subscription_table_get_topics_for_connection(subscriptions, CONN_ID);
EXPECT_EQ(topics_ret, TOPIC_PROBE);
}
TEST_F(SubscriptionTest, RemoveNonRegistredSubscription) {
// Remove a subscription that is not present
int num_subscriptions_removed =
subscription_table_remove_topics_for_connection(subscriptions,
TOPIC_PROBE, CONN_ID);
EXPECT_EQ(num_subscriptions_removed, 0);
// Add two new subscriptions
hc_topics_t topics = TOPIC_STRATEGY | TOPIC_FACE;
int ret = subscription_table_add_topics_for_connection(subscriptions, topics,
CONN_ID);
EXPECT_EQ(ret, 0); // 0 = success
// Remove subscription that was not registred previously
num_subscriptions_removed = subscription_table_remove_topics_for_connection(
subscriptions, TOPIC_PROBE, CONN_ID);
EXPECT_EQ(num_subscriptions_removed, 0);
hc_topics_t topics_ret =
subscription_table_get_topics_for_connection(subscriptions, CONN_ID);
EXPECT_EQ(topics_ret, topics);
}
TEST_F(SubscriptionTest, GetConnectionsForSubscription) {
// Add subscriptions for two connections
hc_topics_t topics = TOPIC_STRATEGY | TOPIC_FACE;
int ret = subscription_table_add_topics_for_connection(subscriptions, topics,
CONN_ID);
EXPECT_EQ(ret, 0); // 0 = success
topics = TOPIC_STRATEGY;
ret = subscription_table_add_topics_for_connection(subscriptions, topics,
CONN_ID_2);
EXPECT_EQ(ret, 0); // 0 = success
// Check the connections associated with the strategy topic
unsigned *conn_ids = subscription_table_get_connections_for_topic(
subscriptions, TOPIC_STRATEGY);
EXPECT_EQ(vector_len(conn_ids), 2u);
EXPECT_TRUE(conn_ids[0] == CONN_ID || conn_ids[0] == CONN_ID_2);
EXPECT_TRUE(conn_ids[1] == CONN_ID || conn_ids[1] == CONN_ID_2);
// Check the connections associated with the face topic
conn_ids =
subscription_table_get_connections_for_topic(subscriptions, TOPIC_FACE);
EXPECT_EQ(vector_len(conn_ids), 1u);
EXPECT_EQ(conn_ids[0], (unsigned)CONN_ID);
}
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