require 'helper'

describe Twitter::Error do

  before do
    @client = Twitter::REST::Client.new(:consumer_key => 'CK', :consumer_secret => 'CS', :access_token => 'AT', :access_token_secret => 'AS')
  end

  describe '#message' do
    it 'returns the message of the cause' do
      error = Twitter::Error.new(Faraday::Error::ClientError.new('Oops'))
      expect(error.message).to eq('Oops')
    end
  end

  describe '#rate_limit' do
    it 'returns the cause' do
      error = Twitter::Error.new(Faraday::Error::ClientError.new('Oops'))
      expect(error.rate_limit).to be_a Twitter::RateLimit
    end
  end

  describe '#cause' do
    it 'returns the cause' do
      error = Twitter::Error.new(Faraday::Error::ClientError.new('Oops'))
      expect(error.cause.class).to eq(Faraday::Error::ClientError)
    end
  end

  Twitter::Error.errors.each do |status, exception|

    [nil, 'error', 'errors'].each do |body|
      context "when HTTP status is #{status} and body is #{body.inspect}" do
        before do
          body_message = '{"' + body + '":"Client Error"}' unless body.nil?
          stub_get('/1.1/statuses/user_timeline.json').with(:query => {:screen_name => 'sferik'}).to_return(:status => status, :body => body_message)
        end
        it "raises #{exception.name}" do
          expect { @client.user_timeline('sferik') }.to raise_error(exception)
        end
      end
    end

    context "when HTTP status is #{status} and body is errors" do
      context 'when errors is an array of hashes' do
        context 'when error code is nil' do
          before do
            body_message = '{"errors":[{"message":"Client Error"}]}'
            stub_get('/1.1/statuses/user_timeline.json').with(:query => {:screen_name => 'sferik'}).to_return(:status => status, :body => body_message)
          end
          it "raises #{exception.name}" do
            expect { @client.user_timeline('sferik') }.to raise_error { |error| expect(error.code).to be_nil }
          end
          context 'when error code is 187' do
            before do
              body_message = '{"errors":[{"message":"Client Error","code":187}]}'
              stub_get('/1.1/statuses/user_timeline.json').with(:query => {:screen_name => 'sferik'}).to_return(:status => status, :body => body_message)
            end
            it "raises #{exception.name}" do
              expect { @client.user_timeline('sferik') }.to raise_error { |error| expect(error.code).to eq(187) }
            end
          end
        end
      end
    end

  end
end