gistfile1.rb

module WalterSobchak
  class GoogleCustomSearch
    def initialize
      @client = Google::APIClient.new(
        key: configatron.google.api_key, authorization: nil)
      @search = @client.discovered_api('customsearch')
    end

    def execute(q)
      [1, 11, 21].inject([]) do |result, num|
        json = Oj.load(query(q, num).body)
        result << json['items'] if json['error'].nil?
      end.flatten
    end

    private

    def query(q, num)
      @client.execute(api_method: @search.cse.list,
        parameters: {q: q, start: num,
                     key: configatron.google.api_key,
                     cx: configatron.google.custom_search_engine})
    end
  end
end

====

require 'spec_helper'

describe 'WalterSobchak::GoogleCustomSearch' do
  before :each do
    @fake_google_client = double('Google::APIClient')
    @fake_search_api = double('Google::APIClient::API').as_null_object
    @fake_result = double('Google::APIClient::Result').as_null_object
  end

  context 'at creation' do
    it 'should have an APIClient available' do
      Google::APIClient.should_receive(:new).with({
        key: 'test_api_key', authorization: nil}).and_return(@fake_google_client)
      @fake_google_client.should_receive(:discovered_api).with(
        'customsearch').and_return(@fake_search_api)
      WalterSobchak::GoogleCustomSearch.new
    end
  end

  context 'when querying' do
    it 'should execute a query' do
      pending
      Google::APIClient.should_receive(:new).with({
        key: 'test_api_key', authorization: nil}).and_return(@fake_google_client)
      @fake_google_client.should_receive(:discovered_api).with(
        'customsearch').and_return(@fake_search_api)
      @fake_google_client.should_receive(:execute).and_return(@fake_result)
      Oj.should_receive(:load).and_return(@fake_result)
      google_client = WalterSobchak::GoogleCustomSearch.new
      google_client.execute('test')
    end
  end
end