require 'helper'

class TestJsonDriver < Test::Unit::TestCase
  context 'json driver' do
    context 'incorrect input' do
      should 'throw exception if url option is not parsed in' do
        assert_raise FatalException do
          Jekyll::Drivers::JsonDriver.new({})
        end
      end

      should 'throw exception if url option is nil' do
        assert_raise Jekyll::FatalException do
          Jekyll::Drivers::JsonDriver.new('url' => nil)
        end
      end

      should 'throw exception if parsed in url is invalid' do
        assert_raise FatalException do
          json_driver = Jekyll::Drivers::JsonDriver.new('url' => 'abc.com')
        end
      end

      should 'throw exception if parsed in url is not http' do
        assert_raise FatalException do
          json_driver = Jekyll::Drivers::JsonDriver.new('url' => 'ftp://abc.com')
        end
      end
    end

    context 'incorrect environment' do
      should 'throw exception if server does not respond' do
        assert_raise Errno::ECONNREFUSED do
          Jekyll::Drivers::JsonDriver.new('url' => 'http://127.0.0.1:1').load
        end
      end

      should 'throw exception if server returns non-json content' do
        assert_raise JSON::ParserError do
          stub_http_request(:get, 'http://test.com/').to_return(body: 'hello, world')
          Jekyll::Drivers::JsonDriver.new('url' => 'http://test.com/').load
        end
      end
    end

    context 'correct input and correct environment' do
      should 'handle http request correctly' do
        assert_nothing_raised do
          stub_http_request(:get, 'http://test.com/').to_return(body: '{"ip": "127.0.0.1"}')

          data = Jekyll::Drivers::JsonDriver.new('url' => 'http://test.com/').load
          assert_equal data['ip'], '127.0.0.1'
        end
      end

      should 'handle https request correctly' do
        assert_nothing_raised do
          stub_http_request(:get, 'https://test.com/').to_return(body: '{"city": "Nanjing"}')

          data = Jekyll::Drivers::JsonDriver.new('url' => 'https://test.com/').load
          assert_equal data['city'], 'Nanjing'
        end
      end
    end
  end
end