ceph/src/jaegertracing/opentracing-cpp/test/tracer_test.cpp

   1 #include <opentracing/ext/tags.h>
   2 #include <opentracing/noop.h>
   3 #include <opentracing/tracer.h>
   4 using namespace opentracing;
   5
   6 #define CATCH_CONFIG_MAIN
   7 #include <opentracing/catch2/catch.hpp>
   8
   9 TEST_CASE("tracer") {
  10   auto tracer = MakeNoopTracer();
  11
  12   auto span1 = tracer->StartSpan("a");
  13   CHECK(span1);
  14
  15   SECTION("Spans provide references to the tracer that created them.") {
  16     CHECK(&span1->tracer() == tracer.get());
  17   }
  18
  19   SECTION("Ensure basic operations compile.") {
  20     auto span2 = tracer->StartSpan("b", {ChildOf(&span1->context())});
  21     CHECK(span2);
  22     span2->SetOperationName("b1");
  23     span2->SetTag("x", true);
  24     span2->SetTag(opentracing::ext::span_kind,
  25                   opentracing::ext::span_kind_rpc_client);
  26     CHECK(span2->BaggageItem("y").empty());
  27     span2->Log({{"event", "xyz"}, {"abc", 123}});
  28     span2->Finish();
  29   }
  30
  31   SECTION("A reference to a null SpanContext is ignored.") {
  32     StartSpanOptions options;
  33     ChildOf(nullptr).Apply(options);
  34     CHECK(options.references.size() == 0);
  35   }
  36 }
  37
  38 TEST_CASE("A tracer can be globally registered") {
  39   CHECK(!Tracer::IsGlobalTracerRegistered());
  40   auto tracer = MakeNoopTracer();
  41   CHECK(Tracer::InitGlobal(tracer) != nullptr);
  42   CHECK(Tracer::IsGlobalTracerRegistered());
  43 }