require 'assert'
require 'deas/sinatra_runner'

require 'deas/deas_runner'
require 'test/support/fake_sinatra_call'
require 'test/support/view_handlers'

class Deas::SinatraRunner

  class UnitTests < Assert::Context
    desc "Deas::SinatraRunner"
    setup do
      @runner_class = Deas::SinatraRunner
    end
    subject{ @runner_class }

    should "be a `DeasRunner`" do
      assert subject < Deas::Runner
    end

  end

  class InitTests < UnitTests
    desc "when init"
    setup do
      @fake_sinatra_call = FakeSinatraCall.new
      @runner = @runner_class.new(DeasRunnerViewHandler, {
        :sinatra_call => @fake_sinatra_call
      })
    end
    subject{ @runner }

    should have_imeths :run

    should "call the sinatra_call's halt with" do
      return_value = catch(:halt){ subject.halt('test') }
      assert_equal [ 'test' ], return_value
    end

    should "call the sinatra_call's redirect method with" do
      return_value = catch(:halt){ subject.redirect('http://google.com') }
      expected = [ 302, { 'Location' => 'http://google.com' } ]

      assert_equal expected, return_value
    end

    should "call the sinatra_call's content_type method using the default_charset" do
      expected = @fake_sinatra_call.content_type('text/plain', :charset => 'utf-8')
      assert_equal expected, subject.content_type('text/plain')

      expected = @fake_sinatra_call.content_type('text/plain', :charset => 'latin1')
      assert_equal expected, subject.content_type('text/plain', :charset => 'latin1')
    end

    should "call the sinatra_call's status to set the response status" do
      assert_equal [422], subject.status(422)
    end

    should "call the sinatra_call's headers to set the response headers" do
      exp_headers = {
        'a-header' => 'some value',
        'other'    => 'other'
      }
      assert_equal [exp_headers], subject.headers(exp_headers)
    end

    should "call the sinatra_call's send_file to set the send files" do
      block_called = false
      args = subject.send_file('a/file', {:some => 'opts'}, &proc{ block_called = true })
      assert_equal 'a/file', args.file_path
      assert_equal({:some => 'opts'}, args.options)
      assert_true block_called
    end

  end

end