require 'pathname'
require_relative '../../spec_helper'
require_relative '../../../lib/reek/spec'

RSpec.describe Reek::Spec::ShouldReekOf do
  context 'rdoc demo example' do
    let(:ruby) { 'def double_thing() @other.thing.foo + @other.thing.foo end' }

    it 'reports duplicate calls to @other.thing' do
      expect(ruby).to reek_of(:Duplication, name: '@other.thing')
    end

    it 'reports duplicate calls to @other.thing.foo' do
      expect(ruby).to reek_of(:Duplication, name: '@other.thing.foo')
    end

    it 'does not report any feature envy' do
      expect(ruby).not_to reek_of(:FeatureEnvy)
    end
  end

  context 'checking code in a string' do
    let(:clean_code) { 'def good() true; end' }
    let(:matcher) { Reek::Spec::ShouldReekOf.new(:UncommunicativeVariableName, name: 'y') }
    let(:smelly_code) { 'def x() y = 4; end' }

    it 'matches a smelly String' do
      expect(matcher.matches?(smelly_code)).to be_truthy
    end

    it 'doesnt match a fragrant String' do
      expect(matcher.matches?(clean_code)).to be_falsey
    end

    it 'reports the smells when should_not fails' do
      expect(matcher.matches?(smelly_code)).to be_truthy
      expect(matcher.failure_message_when_negated).to match('UncommunicativeVariableName')
    end
  end

  context 'passing in smell_details with unknown parameter name' do
    let(:matcher) { Reek::Spec::ShouldReekOf.new(:UncommunicativeVariableName, foo: 'y') }
    let(:smelly_code) { 'def x() y = 4; end' }

    it 'raises ArgumentError' do
      expect { matcher.matches?(smelly_code) }.to raise_error(ArgumentError)
    end
  end

  context 'checking code in a File' do
    let(:clean_file) { Pathname.glob("#{SAMPLES_PATH}/three_clean_files/*.rb").first }
    let(:matcher) { Reek::Spec::ShouldReekOf.new(:UncommunicativeVariableName, name: '@s') }
    let(:smelly_file) { Pathname.glob("#{SAMPLES_PATH}/two_smelly_files/*.rb").first }

    it 'matches a smelly String' do
      expect(matcher.matches?(smelly_file)).to be_truthy
    end

    it 'doesnt match a fragrant String' do
      expect(matcher.matches?(clean_file)).to be_falsey
    end
  end
end