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path: root/spec/ruby/library/coverage/peek_result_spec.rb
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require_relative '../../spec_helper'
require fixture __FILE__, 'spec_helper'
require 'coverage'

describe 'Coverage.peek_result' do
  before :all do
    @class_file = fixture __FILE__, 'some_class.rb'
    @second_class_file = fixture __FILE__, 'second_class.rb'
  end

  after :each do
    $LOADED_FEATURES.delete(@class_file)
    $LOADED_FEATURES.delete(@second_class_file)
  end

  it 'returns the result so far' do
    Coverage.start
    require @class_file.chomp('.rb')
    result = Coverage.peek_result
    Coverage.result

    result.should == {
      @class_file => [
        nil, nil, 1, nil, nil, 1, nil, nil, 0, nil, nil, nil, nil, nil, nil, nil
      ]
    }
  end

  it 'immediate second call returns same result' do
    Coverage.start
    require @class_file.chomp('.rb')
    result1 = Coverage.peek_result
    result2 = Coverage.peek_result
    Coverage.result

    result2.should == result1
  end

  it 'second call after require returns accumulated result' do
    Coverage.start
    require @class_file.chomp('.rb')
    Coverage.peek_result
    require @second_class_file.chomp('.rb')
    result = Coverage.peek_result
    Coverage.result

    result.should == {
      @class_file => [
        nil, nil, 1, nil, nil, 1, nil, nil, 0, nil, nil, nil, nil, nil, nil, nil
      ],
      @second_class_file => [
        1, 1, 0, nil, nil
      ]
    }
  end

  it 'call right before Coverage.result should give equal result' do
    Coverage.start
    require @class_file.chomp('.rb')
    result1 = Coverage.peek_result
    result2 = Coverage.result

    result1.should == result2
  end
end