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require 'spec_helper'
describe Jaeger::Injectors::TraceContextRackCodec do
let(:tracer) do
Jaeger::Tracer.new(
reporter: instance_spy(Jaeger::Reporters::RemoteReporter),
sampler: Jaeger::Samplers::Const.new(true),
injectors: Jaeger::Injectors.prepare({}),
extractors: Jaeger::Extractors.prepare({})
)
end
let(:span) { tracer.start_span('test') }
it 'sets traceparent' do
span_context = build_span_context(
trace_id: 943_123_332_103_493_452_342_394_253,
span_id: 4_324_323_423_423_123,
flags: Jaeger::SpanContext::Flags::SAMPLED
)
carrier = {}
described_class.inject(span_context, carrier)
expect(carrier['traceparent']).to eq('00-00000000030c22224787fd223b027d8d-000f5cf3018c0a93-01')
end
it 'sets traceparent with largest trace id and span id' do
span_context = build_span_context(
trace_id: (2**128) - 1,
span_id: (2**64) - 1,
flags: Jaeger::SpanContext::Flags::SAMPLED
)
carrier = {}
described_class.inject(span_context, carrier)
expect(carrier['traceparent']).to eq('00-ffffffffffffffffffffffffffffffff-ffffffffffffffff-01')
end
def inject(span, carrier)
described_class.inject(span.context, carrier)
end
end
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