opentelemetry-cpp/api/test/trace/tracer_test.cc

45 lines
1.4 KiB
C++

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
#include <gtest/gtest.h>
#include <string>
#include "opentelemetry/context/context_value.h"
#include "opentelemetry/nostd/shared_ptr.h"
#include "opentelemetry/trace/noop.h"
#include "opentelemetry/trace/scope.h"
#include "opentelemetry/trace/span.h"
#include "opentelemetry/trace/span_context.h"
#include "opentelemetry/trace/tracer.h"
namespace trace_api = opentelemetry::trace;
namespace nostd = opentelemetry::nostd;
namespace context = opentelemetry::context;
TEST(TracerTest, GetCurrentSpan)
{
std::unique_ptr<trace_api::Tracer> tracer(new trace_api::NoopTracer());
nostd::shared_ptr<trace_api::Span> span_first(new trace_api::NoopSpan(nullptr));
nostd::shared_ptr<trace_api::Span> span_second(new trace_api::NoopSpan(nullptr));
auto current = tracer->GetCurrentSpan();
ASSERT_FALSE(current->GetContext().IsValid());
{
auto scope_first = tracer->WithActiveSpan(span_first);
current = tracer->GetCurrentSpan();
ASSERT_EQ(current, span_first);
{
auto scope_second = tracer->WithActiveSpan(span_second);
current = tracer->GetCurrentSpan();
ASSERT_EQ(current, span_second);
}
current = tracer->GetCurrentSpan();
ASSERT_EQ(current, span_first);
}
current = tracer->GetCurrentSpan();
ASSERT_FALSE(current->GetContext().IsValid());
}