require_relative '../../spec_helper'
require_lib 'reek/examiner'
require_lib 'reek/report/report'
require_lib 'reek/report/formatter'

require 'yaml'
require 'stringio'

RSpec.describe Reek::Report::YAMLReport do
  let(:options) { {} }
  let(:instance) { Reek::Report::YAMLReport.new(options) }
  let(:examiner) { Reek::Examiner.new(source) }

  before do
    instance.add_examiner examiner
  end

  context 'with empty source' do
    let(:source) { '' }

    it 'prints empty yaml' do
      expect { instance.show }.to output(/^--- \[\]\n.*$/).to_stdout
    end
  end

  context 'with smelly source' do
    let(:source) { 'def simple(a) a[3] end' }

    it 'prints smells as yaml' do
      out = StringIO.new
      instance.show(out)
      out.rewind
      result = YAML.load(out.read)
      expected = YAML.load <<-EOS
---
- context:        "simple"
  lines:
  - 1
  message:        "has the parameter name 'a'"
  smell_category: "UncommunicativeName"
  smell_type:     "UncommunicativeParameterName"
  source:         "string"
  name:           "a"
- context:        "simple"
  lines:
  - 1
  message:        "doesn't depend on instance state (maybe move it to another class?)"
  smell_category: "LowCohesion"
  smell_type:     "UtilityFunction"
  source:         "string"
  name:           "simple"
      EOS

      expect(result).to eq expected
    end
    context 'with link formatter' do
      let(:options) { { warning_formatter: Reek::Report::WikiLinkWarningFormatter.new } }

      it 'prints documentation links' do
        out = StringIO.new
        instance.show(out)
        out.rewind
        result = YAML.load(out.read)
        expected = YAML.load <<-EOS
---
- context:        "simple"
  lines:
  - 1
  message:        "has the parameter name 'a'"
  smell_category: "UncommunicativeName"
  smell_type:     "UncommunicativeParameterName"
  source:         "string"
  name:           "a"
  wiki_link:      "https://github.com/troessner/reek/blob/master/docs/Uncommunicative-Parameter-Name.md"
- context:        "simple"
  lines:
  - 1
  message:        "doesn't depend on instance state (maybe move it to another class?)"
  smell_category: "LowCohesion"
  smell_type:     "UtilityFunction"
  source:         "string"
  name:           "simple"
  wiki_link:      "https://github.com/troessner/reek/blob/master/docs/Utility-Function.md"
        EOS

        expect(result).to eq expected
      end
    end
  end
end