File: io_output_spec.rb

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# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Benchmark::Memory::Job::IOOutput do
  describe '#put_entry' do
    it 'outputs onto the passed IO' do
      entry = create_entry
      io = StringIO.new
      output = described_class.new(io)

      output.put_entry(entry)

      expect(io.string).not_to be_empty
    end
  end

  def create_entry
    Benchmark::Memory::Report::Entry.new(
      'my super cool test',
      create_measurement
    )
  end

  def create_measurement
    memsize = Benchmark::Memory::Measurement::Metric.new(
      :memsize,
      3_078_619,
      1_539_309
    )
    objects = Benchmark::Memory::Measurement::Metric.new(
      :objects,
      2_936_123,
      0
    )
    strings = Benchmark::Memory::Measurement::Metric.new(
      :strings,
      100,
      99
    )

    Benchmark::Memory::Measurement.new(
      strings: strings,
      objects: objects,
      memory: memsize
    )
  end
end