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