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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,9 +1,17 @@ | ||
| set(this_target shim_test) | ||
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| add_executable(${this_target} "${this_target}.cc") | ||
| target_link_libraries(${this_target} ${GTEST_BOTH_LIBRARIES} | ||
| ${CMAKE_THREAD_LIBS_INIT} opentelemetry_api) | ||
| gtest_add_tests( | ||
| TARGET ${this_target} | ||
| TEST_PREFIX ${this_target}. | ||
| TEST_LIST ${this_target}) | ||
| file(GLOB source_files ${CMAKE_CURRENT_LIST_DIR}/*.*) | ||
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| add_executable(${this_target} ${source_files}) | ||
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| target_link_libraries(${this_target} | ||
| ${GTEST_BOTH_LIBRARIES} | ||
| ${CMAKE_THREAD_LIBS_INIT} | ||
| opentelemetry_api | ||
| opentelemetry_opentracing_shim | ||
| opentracing) | ||
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| #gtest_add_tests( | ||
| # TARGET ${this_target} | ||
| # TEST_PREFIX ${this_target}. | ||
| # TEST_LIST ${this_target}) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,133 @@ | ||
| // Copyright The OpenTelemetry Authors | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
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| #include "tracer_shim.h" | ||
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| #include <opentracing/noop.h> | ||
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| #include <gtest/gtest.h> | ||
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| namespace trace_api = opentelemetry::trace; | ||
| namespace nostd = opentelemetry::nostd; | ||
| namespace context = opentelemetry::context; | ||
| namespace shim = opentelemetry::opentracingshim; | ||
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| struct TextMapCarrier : opentracing::TextMapReader, opentracing::TextMapWriter { | ||
| TextMapCarrier(std::unordered_map<std::string, std::string>& text_map_) | ||
| : text_map(text_map_) {} | ||
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| opentracing::expected<void> Set(opentracing::string_view key, opentracing::string_view value) const override { | ||
| text_map[key] = value; | ||
| return {}; | ||
| } | ||
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| opentracing::expected<opentracing::string_view> LookupKey(opentracing::string_view key) const override { | ||
| if (!supports_lookup) { | ||
| return opentracing::make_unexpected(opentracing::lookup_key_not_supported_error); | ||
| } | ||
| auto iter = text_map.find(key); | ||
| if (iter != text_map.end()) { | ||
| return opentracing::string_view{iter->second}; | ||
| } else { | ||
| return opentracing::make_unexpected(opentracing::key_not_found_error); | ||
| } | ||
| } | ||
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| opentracing::expected<void> ForeachKey( | ||
| std::function<opentracing::expected<void>(opentracing::string_view key, opentracing::string_view value)> f) | ||
| const override { | ||
| ++foreach_key_call_count; | ||
| for (const auto& key_value : text_map) { | ||
| auto result = f(key_value.first, key_value.second); | ||
| if (!result) return result; | ||
| } | ||
| return {}; | ||
| } | ||
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| bool supports_lookup = false; | ||
| mutable int foreach_key_call_count = 0; | ||
| std::unordered_map<std::string, std::string>& text_map; | ||
| }; | ||
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| struct HTTPHeadersCarrier : opentracing::HTTPHeadersReader, opentracing::HTTPHeadersWriter { | ||
| HTTPHeadersCarrier(std::unordered_map<std::string, std::string>& text_map_) | ||
| : text_map(text_map_) {} | ||
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| opentracing::expected<void> Set(opentracing::string_view key, opentracing::string_view value) const override { | ||
| text_map[key] = value; | ||
| return {}; | ||
| } | ||
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| opentracing::expected<void> ForeachKey( | ||
| std::function<opentracing::expected<void>(opentracing::string_view key, opentracing::string_view value)> f) | ||
| const override { | ||
| for (const auto& key_value : text_map) { | ||
| auto result = f(key_value.first, key_value.second); | ||
| if (!result) return result; | ||
| } | ||
| return {}; | ||
| } | ||
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| std::unordered_map<std::string, std::string>& text_map; | ||
| }; | ||
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| class TracerShimTest : public testing::Test | ||
| { | ||
| public: | ||
| std::shared_ptr<opentracing::Tracer> tracer_shim; | ||
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| protected: | ||
| virtual void SetUp() | ||
| { | ||
| tracer_shim = shim::TracerShim::createTracerShim(); | ||
| } | ||
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| virtual void TearDown() | ||
| { | ||
| tracer_shim.reset(); | ||
| } | ||
| }; | ||
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| TEST_F(TracerShimTest, SpanReferenceToCreatingTracer) | ||
| { | ||
| auto span_shim = tracer_shim->StartSpan("a"); | ||
| ASSERT_NE(span_shim, nullptr); | ||
| ASSERT_EQ(&span_shim->tracer(), tracer_shim.get()); | ||
| } | ||
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| TEST_F(TracerShimTest, TracerGloballyRegistered) | ||
| { | ||
| ASSERT_FALSE(opentracing::Tracer::IsGlobalTracerRegistered()); | ||
| ASSERT_NE(opentracing::Tracer::InitGlobal(tracer_shim), nullptr); | ||
| ASSERT_TRUE(opentracing::Tracer::IsGlobalTracerRegistered()); | ||
| } | ||
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| TEST_F(TracerShimTest, InjectInvalidCarrier) | ||
| { | ||
| auto span_shim = tracer_shim->StartSpan("a"); | ||
| auto result = tracer_shim->Inject(span_shim->context(), std::cout); | ||
| ASSERT_TRUE(opentracing::are_errors_equal(result.error(), opentracing::invalid_carrier_error)); | ||
| } | ||
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| TEST_F(TracerShimTest, InjectNullContext) | ||
| { | ||
| std::unordered_map<std::string, std::string> text_map; | ||
| auto noop_tracer = opentracing::MakeNoopTracer(); | ||
| auto span = noop_tracer->StartSpan("a"); | ||
| auto result = tracer_shim->Inject(span->context(), TextMapCarrier{text_map}); | ||
| ASSERT_TRUE(result.has_value()); | ||
| ASSERT_TRUE(text_map.empty()); | ||
| } | ||
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| TEST_F(TracerShimTest, ExtractInvalidCarrier) | ||
| { | ||
| auto result = tracer_shim->Extract(std::cin); | ||
| ASSERT_TRUE(opentracing::are_errors_equal(result.error(), opentracing::invalid_carrier_error)); | ||
| } | ||
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| TEST_F(TracerShimTest, ExtractNullContext) | ||
| { | ||
| std::unordered_map<std::string, std::string> text_map; | ||
| auto result = tracer_shim->Extract(TextMapCarrier{text_map}); | ||
| ASSERT_EQ(result.value(), nullptr); | ||
| } |
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