require 'spec_helper'

module RailsBestPractices
  describe Analyzer do
    subject { Analyzer.new(".") }

    describe "expand_dirs_to_files" do
      it "should expand all files in spec directory" do
        dir = File.dirname(__FILE__)
        subject.expand_dirs_to_files(dir).should be_include(dir + '/analyzer_spec.rb')
      end
    end

    describe "file_sort" do
      it "should get models first, mailers, helpers and then others" do
        files = ["app/controllers/users_controller.rb", "app/mailers/user_mailer.rb", "app/helpers/users_helper.rb", "app/models/user.rb", "app/views/users/index.html.haml", "app/views/users/show.html.slim", "lib/user.rb"]
        subject.file_sort(files).should == ["app/models/user.rb", "app/mailers/user_mailer.rb", "app/helpers/users_helper.rb", "app/controllers/users_controller.rb", "app/views/users/index.html.haml", "app/views/users/show.html.slim", "lib/user.rb"]
      end
    end

    describe "file_ignore" do
      it "should ignore lib" do
        files = ["app/controllers/users_controller.rb", "app/mailers/user_mailer.rb", "app/models/user.rb", "app/views/users/index.html.haml", "app/views/users/show.html.slim", "lib/user.rb"]
        subject.file_ignore(files, 'lib/').should == ["app/controllers/users_controller.rb", "app/mailers/user_mailer.rb", "app/models/user.rb", "app/views/users/index.html.haml", "app/views/users/show.html.slim"]
      end
    end

    describe "output_terminal_errors" do
      it "should output errors in terminal" do
        check1 = Reviews::LawOfDemeterReview.new
        check2 = Reviews::UseQueryAttributeReview.new
        runner = Core::Runner.new(reviews: [check1, check2])
        check1.add_error "law of demeter", "app/models/user.rb", 10
        check2.add_error "use query attribute", "app/models/post.rb", 100
        subject.runner = runner
        subject.instance_variable_set("@options", {"without-color" => false})

        $origin_stdout = $stdout
        $stdout = StringIO.new
        subject.output_terminal_errors
        result = $stdout.string
        $stdout = $origin_stdout
        result.should == ["app/models/user.rb:10 - law of demeter".red, "app/models/post.rb:100 - use query attribute".red, "\nPlease go to http://rails-bestpractices.com to see more useful Rails Best Practices.".green, "\nFound 2 warnings.".red].join("\n") + "\n"
      end
    end

    describe "errors_filter_block" do
      it "should call errors_filter_block after analyze" do
        analyzer = Analyzer.new("path", "silent" => true)
        analyzer.errors_filter_block = lambda { |errors| errors.each { |error| error.highlight = true } }
        analyzer.stub(:expand_dirs_to_files).and_return([])
        analyzer.stub(:file_sort).and_return([])
        analyzer.stub(:file_ignore).and_return([])
        analyzer.stub(:process)
        runner = stub
        runner.stub(:color=)
        errors = [Core::Error.new, Core::Error.new]
        Core::Runner.stub(:new).and_return(runner)
        runner.stub(:errors).and_return(errors)
        analyzer.analyze
        analyzer.send(:errors).should be_all(&:highlight)
      end
    end
  end
end