require 'test_helper'

class HelpersTest < Minitest::Test
  def setup
    test_class = Class.new(Minitest::Test)
    test_class.send(:include, StatsD::Instrument::Helpers)
    @test_case = test_class.new('fake')
  end

  def test_capture_metrics_inside_block_only
    StatsD.increment('counter')
    metrics = @test_case.capture_statsd_calls do
      StatsD.increment('counter')
      StatsD.gauge('gauge', 12)
    end
    StatsD.gauge('gauge', 15)

    assert_equal 2, metrics.length
    assert_equal 'counter', metrics[0].name
    assert_equal 'gauge', metrics[1].name
    assert_equal 12, metrics[1].value
  end
end