pokemon.trade/spec/lib/pkparse/client_spec.rb

require 'rails_helper'

RSpec.describe PKParse::Client do
  let(:client) { described_class.new }
  let(:response) { '[{"pokedex_number":1}]' }

  before { allow(RestClient).to receive(:post).and_return(response) }

  describe '#parse' do
    let!(:files) { [] }
    subject { client.parse(files) }

    context 'succeeds as normal' do
      specify { expect(subject.pokemon.size).to eq 1 }
    end

    context 'fails' do
      context 'getting a response' do
        before { allow(RestClient).to receive(:post).and_raise(RestClient::Exception.new) }

        it 'returns a more specific error' do
          expect{subject}.to raise_error(PKParse::ResponseError)
        end
      end

      context 'processing a response' do
        before { allow(JSON).to receive(:parse).and_raise(JSON::ParserError.new) }
        it 'returns a more specific error' do
          expect{subject}.to raise_error(PKParse::Error)
        end
      end
    end
  end
end