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54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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#include <gtest/gtest.h>
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#include <map>
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#include <string>
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#include <utility>
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#include <vector>
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#include "opentelemetry/common/key_value_iterable_view.h"
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#include "opentelemetry/nostd/shared_ptr.h"
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#include "opentelemetry/sdk/trace/sampler.h"
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#include "opentelemetry/sdk/trace/samplers/always_off.h"
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#include "opentelemetry/trace/span_context.h"
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#include "opentelemetry/trace/span_context_kv_iterable_view.h"
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#include "opentelemetry/trace/span_metadata.h"
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#include "opentelemetry/trace/trace_id.h"
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#include "opentelemetry/trace/trace_state.h"
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using opentelemetry::sdk::trace::AlwaysOffSampler;
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using opentelemetry::sdk::trace::Decision;
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using opentelemetry::trace::SpanContext;
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namespace trace_api = opentelemetry::trace;
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TEST(AlwaysOffSampler, ShouldSample)
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{
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AlwaysOffSampler sampler;
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trace_api::TraceId trace_id;
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trace_api::SpanKind span_kind = trace_api::SpanKind::kInternal;
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using M = std::map<std::string, int>;
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M m1 = {{}};
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using L = std::vector<std::pair<SpanContext, std::map<std::string, std::string>>>;
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L l1 = {{SpanContext(false, false), {}}, {SpanContext(false, false), {}}};
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opentelemetry::common::KeyValueIterableView<M> view{m1};
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trace_api::SpanContextKeyValueIterableView<L> links{l1};
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auto sampling_result =
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sampler.ShouldSample(SpanContext::GetInvalid(), trace_id, "", span_kind, view, links);
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ASSERT_EQ(Decision::DROP, sampling_result.decision);
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ASSERT_EQ(nullptr, sampling_result.attributes);
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ASSERT_EQ("", sampling_result.trace_state->ToHeader());
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}
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TEST(AlwaysOffSampler, GetDescription)
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{
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AlwaysOffSampler sampler;
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ASSERT_EQ("AlwaysOffSampler", sampler.GetDescription());
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}
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