ceph/src/jaegertracing/opentelemetry-cpp/api/test/trace/scope_test.cc

   1 // Copyright The OpenTelemetry Authors
   2 // SPDX-License-Identifier: Apache-2.0
   3
   4 #include "opentelemetry/trace/scope.h"
   5 #include "opentelemetry/context/context.h"
   6 #include "opentelemetry/nostd/shared_ptr.h"
   7 #include "opentelemetry/trace/noop.h"
   8
   9 #include <gtest/gtest.h>
  10
  11 using opentelemetry::trace::kSpanKey;
  12 using opentelemetry::trace::NoopSpan;
  13 using opentelemetry::trace::Scope;
  14 using opentelemetry::trace::Span;
  15 namespace nostd   = opentelemetry::nostd;
  16 namespace context = opentelemetry::context;
  17
  18 TEST(ScopeTest, Construct)
  19 {
  20   nostd::shared_ptr<Span> span(new NoopSpan(nullptr));
  21   Scope scope(span);
  22
  23   context::ContextValue active_span_value = context::RuntimeContext::GetValue(kSpanKey);
  24   ASSERT_TRUE(nostd::holds_alternative<nostd::shared_ptr<Span>>(active_span_value));
  25
  26   auto active_span = nostd::get<nostd::shared_ptr<Span>>(active_span_value);
  27   ASSERT_EQ(active_span, span);
  28 }
  29
  30 TEST(ScopeTest, Destruct)
  31 {
  32   nostd::shared_ptr<Span> span(new NoopSpan(nullptr));
  33   Scope scope(span);
  34
  35   {
  36     nostd::shared_ptr<Span> span_nested(new NoopSpan(nullptr));
  37     Scope scope_nested(span_nested);
  38
  39     context::ContextValue active_span_value = context::RuntimeContext::GetValue(kSpanKey);
  40     ASSERT_TRUE(nostd::holds_alternative<nostd::shared_ptr<Span>>(active_span_value));
  41
  42     auto active_span = nostd::get<nostd::shared_ptr<Span>>(active_span_value);
  43     ASSERT_EQ(active_span, span_nested);
  44   }
  45
  46   context::ContextValue active_span_value = context::RuntimeContext::GetValue(kSpanKey);
  47   ASSERT_TRUE(nostd::holds_alternative<nostd::shared_ptr<Span>>(active_span_value));
  48
  49   auto active_span = nostd::get<nostd::shared_ptr<Span>>(active_span_value);
  50   ASSERT_EQ(active_span, span);
  51 }