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# frozen_string_literal: true
require 'fast_spec_helper'
describe Gitlab::Tracing::Factory do
describe '.create_tracer' do
let(:service_name) { 'rspec' }
context "when tracing is not configured" do
it 'ignores null connection strings' do
expect(described_class.create_tracer(service_name, nil)).to be_nil
end
it 'ignores empty connection strings' do
expect(described_class.create_tracer(service_name, '')).to be_nil
end
it 'ignores unknown implementations' do
expect(described_class.create_tracer(service_name, 'opentracing://invalid_driver')).to be_nil
end
it 'ignores invalid connection strings' do
expect(described_class.create_tracer(service_name, 'open?tracing')).to be_nil
end
end
context "when tracing is configured with jaeger" do
let(:mock_tracer) { double('tracer') }
it 'processes default connections' do
expect(Gitlab::Tracing::JaegerFactory).to receive(:create_tracer).with(service_name, {}).and_return(mock_tracer)
expect(described_class.create_tracer(service_name, 'opentracing://jaeger')).to be(mock_tracer)
end
it 'processes connections with parameters' do
expect(Gitlab::Tracing::JaegerFactory).to receive(:create_tracer).with(service_name, { a: '1', b: '2', c: '3' }).and_return(mock_tracer)
expect(described_class.create_tracer(service_name, 'opentracing://jaeger?a=1&b=2&c=3')).to be(mock_tracer)
end
end
end
end
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