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// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include "opentelemetry/sdk/metrics/meter_config.h"
#include <gtest/gtest.h>
#include <array>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "opentelemetry/common/attribute_value.h"
#include "opentelemetry/nostd/string_view.h"
#include "opentelemetry/sdk/instrumentationscope/instrumentation_scope.h"
#include "opentelemetry/sdk/instrumentationscope/scope_configurator.h"
namespace metrics_sdk = opentelemetry::sdk::metrics;
namespace instrumentation_scope = opentelemetry::sdk::instrumentationscope;
/** Test to verify the basic behavior of metrics_sdk::MeterConfig */
TEST(MeterConfig, CheckDisabledWorksAsExpected)
{
metrics_sdk::MeterConfig disabled_config = metrics_sdk::MeterConfig::Disabled();
ASSERT_FALSE(disabled_config.IsEnabled());
}
TEST(MeterConfig, CheckEnabledWorksAsExpected)
{
metrics_sdk::MeterConfig enabled_config = metrics_sdk::MeterConfig::Enabled();
ASSERT_TRUE(enabled_config.IsEnabled());
}
TEST(MeterConfig, CheckDefaultConfigWorksAccToSpec)
{
metrics_sdk::MeterConfig enabled_config = metrics_sdk::MeterConfig::Default();
ASSERT_TRUE(enabled_config.IsEnabled());
}
/** Tests to verify the behavior of metrics_sdk::MeterConfig::Default */
static std::pair<opentelemetry::nostd::string_view, opentelemetry::common::AttributeValue> attr1 = {
"accept_single_attr", true};
static std::pair<opentelemetry::nostd::string_view, opentelemetry::common::AttributeValue> attr2 = {
"accept_second_attr", "some other attr"};
static std::pair<opentelemetry::nostd::string_view, opentelemetry::common::AttributeValue> attr3 = {
"accept_third_attr", 3};
static instrumentation_scope::InstrumentationScope test_scope_1 =
*instrumentation_scope::InstrumentationScope::Create("test_scope_1");
static instrumentation_scope::InstrumentationScope test_scope_2 =
*instrumentation_scope::InstrumentationScope::Create("test_scope_2", "1.0");
static instrumentation_scope::InstrumentationScope test_scope_3 =
*instrumentation_scope::InstrumentationScope::Create(
"test_scope_3",
"0",
"https://opentelemetry.io/schemas/v1.18.0");
static instrumentation_scope::InstrumentationScope test_scope_4 =
*instrumentation_scope::InstrumentationScope::Create("test_scope_4",
"0",
"https://opentelemetry.io/schemas/v1.18.0",
{attr1});
static instrumentation_scope::InstrumentationScope test_scope_5 =
*instrumentation_scope::InstrumentationScope::Create("test_scope_5",
"0",
"https://opentelemetry.io/schemas/v1.18.0",
{attr1, attr2, attr3});
// This array could also directly contain the reference types, but that leads to 'uninitialized
// value was created by heap allocation' errors in Valgrind memcheck. This is a bug in Googletest
// library, see https://github.com/google/googletest/issues/3805#issuecomment-1397301790 for more
// details. Using pointers is a workaround to prevent the Valgrind warnings.
const std::array<instrumentation_scope::InstrumentationScope *, 5> instrumentation_scopes = {
&test_scope_1, &test_scope_2, &test_scope_3, &test_scope_4, &test_scope_5,
};
// Test fixture for VerifyDefaultConfiguratorBehavior
class DefaultMeterConfiguratorTestFixture
: public ::testing::TestWithParam<instrumentation_scope::InstrumentationScope *>
{};
// verifies that the default configurator always returns the default meter config
TEST_P(DefaultMeterConfiguratorTestFixture, VerifyDefaultConfiguratorBehavior)
{
instrumentation_scope::InstrumentationScope *scope = GetParam();
instrumentation_scope::ScopeConfigurator<metrics_sdk::MeterConfig> default_configurator =
instrumentation_scope::ScopeConfigurator<metrics_sdk::MeterConfig>::Builder(
metrics_sdk::MeterConfig::Default())
.Build();
ASSERT_EQ(default_configurator.ComputeConfig(*scope), metrics_sdk::MeterConfig::Default());
}
INSTANTIATE_TEST_SUITE_P(InstrumentationScopes,
DefaultMeterConfiguratorTestFixture,
::testing::ValuesIn(instrumentation_scopes));
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