require_relative '../spec_helper'
require 'tailor/critic'

describe Tailor::Critic do
  before { Tailor::Logger.stub(:log) }

  describe "#check_file" do
    let(:lexer) { double "Lexer" }
    let(:ruler) { double "Ruler" }
    let(:style) { double "Style", each: nil }
    let(:file_name) { "this_file.rb" }

    before do
      subject.stub(:init_rulers)
    end

    it "lexes the file" do
      lexer.should_receive(:lex)
      lexer.stub(:check_added_newline)
      Tailor::Lexer.should_receive(:new).with(file_name).and_return lexer
      subject.stub_chain(:problems, :[]=)
      subject.stub_chain(:problems, :[])

      subject.check_file(file_name, style)
    end

    it "adds problems for the file to the main list of problems" do
      lexer.stub(:lex)
      lexer.stub(:check_added_newline)
      Tailor::Lexer.stub(:new).and_return lexer
      subject.problems.should_receive(:[]=).with(file_name, [])

      subject.check_file(file_name, style)
    end
  end

  describe "#problems" do
    specify { subject.problems.should be_a Hash }
    specify { subject.problems.should be_empty }
  end

  describe "#problem_count" do
    context "#problems is empty" do
      it "returns 0" do
        subject.instance_variable_set(:@problems, {})
        subject.problem_count.should == 0
      end
    end

    context "#problems contains valid values" do
      it "adds the number of each problem together" do
        probs = {
          one: { type: :indentation, line: 1, message: "" },
          two: { type: :indentation, line: 2, message: "" },
          thre: { type: :indentation, line: 27, message: "" }
        }
        subject.instance_variable_set(:@problems, probs)
        subject.problem_count.should == 3
      end
    end
  end
end