Function TestLabels

test/bvar_multi_dimension_unittest.cpp:559–583

template <typename KeyType, typename ValueType>
static void TestLabels() {
    std::string mbvar_name = butil::string_printf("my_madder_%d", g_exposed_count);
    KeyType labels{"idc", "method", "status"};
    bvar::MultiDimension<bvar::Adder<int>, KeyType> my_madder(mbvar_name, labels);
    ASSERT_EQ(labels.size(), my_madder.count_labels());
    ASSERT_STREQ(mbvar_name.c_str(), my_madder.name().c_str());
    ASSERT_EQ(labels, my_madder.labels());

    using ItemType = typename ValueType::value_type;
    ValueType labels_value{ItemType("cv"), ItemType("post"), ItemType("200")};
    bvar::Adder<int>* adder = my_madder.get_stats(labels_value);
    ASSERT_NE(nullptr, adder);
    ASSERT_TRUE(my_madder.has_stats(labels_value));
    ASSERT_EQ((size_t)1, my_madder.count_stats());
    {
        // Compatible with old API.
        bvar::Adder<int>* temp = my_madder.get_stats({"cv", "post", "200"});
        ASSERT_EQ(adder, temp);
    }
    *adder << g_exposed_count;
    ASSERT_EQ(g_exposed_count, adder->get_value());
    my_madder.delete_stats(labels_value);
    ASSERT_FALSE(my_madder.has_stats(labels_value));
    ASSERT_EQ((size_t)0, my_madder.count_stats());
}

TEST_F(MultiDimensionTest, labels) {
    TestLabels<std::list<std::string>, std::list<std::string>>();