Add tests for TracerConfig

Author: psx95

sdk/test/trace/BUILD

@@ -143,6 +143,21 @@ cc_test(
     ],
 )
 
+cc_test(
+    name = "tracer_config_test",
+    srcs = [
+        "tracer_config_test.cc",
+    ],
+    tags = [
+        "test",
+        "trace",
+    ],
+    deps = [
+        "//sdk/src/trace",
+        "@com_google_googletest//:gtest_main",
+    ],
+)
+
 otel_cc_benchmark(
     name = "sampler_benchmark",
     srcs = ["sampler_benchmark.cc"],

sdk/test/trace/CMakeLists.txt

@@ -11,7 +11,8 @@ foreach(
   always_on_sampler_test
   parent_sampler_test
   trace_id_ratio_sampler_test
-  batch_span_processor_test)
+  batch_span_processor_test
+  tracer_config_test)
   add_executable(${testname} "${testname}.cc")
   target_link_libraries(
     ${testname}

sdk/test/trace/tracer_config_test.cc

@@ -0,0 +1,62 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+#include <gtest/gtest.h>
+#include <opentelemetry/sdk/trace/tracer_config.h>
+
+namespace trace_sdk = opentelemetry::sdk::trace;
+namespace instrumentation_scope = opentelemetry::sdk::instrumentationscope;
+
+/** Tests to verify the basic behavior of trace_sdk::TracerConfig */
+
+TEST(TracerConfig, CheckDisabledWorksAsExpected)
+{
+  trace_sdk::TracerConfig disabled_config = trace_sdk::TracerConfig::Disabled();
+  ASSERT_FALSE(disabled_config.IsEnabled());
+}
+
+TEST(TracerConfig, CheckEnabledWorksAsExpected)
+{
+  trace_sdk::TracerConfig enabled_config = trace_sdk::TracerConfig::Enabled();
+  ASSERT_TRUE(enabled_config.IsEnabled());
+}
+
+TEST(TracerConfig, CheckDefaultConfigWorksAccToSpec)
+{
+  trace_sdk::TracerConfig default_config = trace_sdk::TracerConfig::Default();
+  ASSERT_TRUE(default_config.IsEnabled());
+}
+
+/** Tests to verify the behavior of trace_sdk::TracerConfig::DefaultConfigurator */
+
+std::pair<opentelemetry::nostd::string_view, opentelemetry::common::AttributeValue> attr1 = {
+  "accept_single_attr", true};
+std::pair<opentelemetry::nostd::string_view, opentelemetry::common::AttributeValue> attr2 = {
+  "accept_second_attr", "some other attr"};
+std::pair<opentelemetry::nostd::string_view, opentelemetry::common::AttributeValue> attr3 = {
+  "accept_third_attr", 3};
+
+const instrumentation_scope::InstrumentationScope instrumentation_scopes[] = {
+  *instrumentation_scope::InstrumentationScope::Create("test_scope_1").get(),
+  *instrumentation_scope::InstrumentationScope::Create("test_scope_2", "1.0").get(),
+  *instrumentation_scope::InstrumentationScope::Create("test_scope_3", "0", "https://opentelemetry.io/schemas/v1.18.0").get(),
+  *instrumentation_scope::InstrumentationScope::Create("test_scope_3", "0", "https://opentelemetry.io/schemas/v1.18.0", {attr1})
+             .get(),
+  *instrumentation_scope::InstrumentationScope::Create("test_scope_4", "0", "https://opentelemetry.io/schemas/v1.18.0", {attr1, attr2, attr3})
+             .get(),
+};
+
+// Test fixture for VerifyDefaultConfiguratorBehavior
+class DefaultTracerConfiguratorTestFixture : public ::testing::TestWithParam<instrumentation_scope::InstrumentationScope>
+{};
+
+// verifies that the default configurator always returns the default tracer config
+TEST_P(DefaultTracerConfiguratorTestFixture, VerifyDefaultConfiguratorBehavior)
+{
+  const instrumentation_scope::InstrumentationScope& scope = GetParam();
+  trace_sdk::TracerConfigurator default_configurator = trace_sdk::TracerConfig::DefaultConfigurator();
+
+  ASSERT_EQ(default_configurator(scope), trace_sdk::TracerConfig::Default());
+}
+
+INSTANTIATE_TEST_SUITE_P(InstrumentationScopes, DefaultTracerConfiguratorTestFixture, ::testing::ValuesIn(instrumentation_scopes));