require File.join(File.dirname(File.dirname(File.expand_path(__FILE__))), 'spec_helper')
require File.join(File.dirname(File.dirname(File.dirname(File.expand_path(__FILE__)))), 'lib', 'reek', 'examiner')

include Reek

shared_examples_for 'supports the deprecated api' do
  it 'returns all smells as active' do
    @examiner.all_active_smells.should == @examiner.smells
  end
  it 'returns all smells as active' do
    @examiner.all_smells.should == @examiner.smells
  end
  it 'counts all smells as active smells' do
    @examiner.num_active_smells.should == @examiner.smells.length
  end
  it 'never reports masked smells' do
    @examiner.num_masked_smells.should == 0
  end
end

shared_examples_for 'no smells found' do
  it 'is not smelly' do
    @examiner.should_not be_smelly
  end
  it 'finds no smells' do
    @examiner.smells.length.should == 0
  end

  it_should_behave_like 'supports the deprecated api'
end

shared_examples_for 'one smell found' do
  it 'is smelly' do
    @examiner.should be_smelly
  end
  it 'reports the smell' do
    @examiner.smells.length.should == 1
  end
  it 'reports the correct smell' do
    @examiner.smells[0].smell_class.should == @expected_first_smell
  end

  it_should_behave_like 'supports the deprecated api'
end

describe Examiner do
  before :each do
    @expected_first_smell = 'NestedIterators'
  end

  context 'with a fragrant String' do
    before :each do
      @examiner = Examiner.new('def good() true; end')
    end

    it_should_behave_like 'no smells found'
  end

  context 'with a smelly String' do
    before :each do
      @examiner = Examiner.new('def fine() y = 4; end')
      @expected_first_smell = 'UncommunicativeName'
    end

    it_should_behave_like 'one smell found'
  end

  context 'with a smelly Dir' do
    before :each do
      smelly_dir = Dir['spec/samples/all_but_one_masked/*.rb']
      @examiner = Examiner.new(smelly_dir)
    end

    it_should_behave_like 'one smell found'
  end

  context 'with a fragrant Dir' do
    before :each do
      clean_dir = Dir['spec/samples/three_clean_files/*.rb']
      @examiner = Examiner.new(clean_dir)
    end

    it_should_behave_like 'no smells found'
  end

  context 'with a smelly File' do
    before :each do
      smelly_file = File.new(Dir['spec/samples/all_but_one_masked/d*.rb'][0])
      @examiner = Examiner.new(smelly_file)
    end

    it_should_behave_like 'one smell found'
  end

  context 'with a fragrant File' do
    before :each do
      clean_file = File.new(Dir['spec/samples/three_clean_files/*.rb'][0])
      @examiner = Examiner.new(clean_file)
    end

    it_should_behave_like 'no smells found'
  end
end