1require 'rails_helper'
 2
 3RSpec.describe PublishToTwitterJob, :type => :job do
 4  subject { PublishToTwitterJob.new }
 5
 6  describe "#perform" do
 7    let(:artist) { User.new(name: 'joe') }
 8    let(:cake) { Creation.new(id: 88, name: 'yummy', user: artist) }
 9    let(:twitter) { double(tweet: '') }
10
11    before :each do
12      allow(subject).to receive(:twitter).and_return(twitter)
13    end
14
15    context "when the cake is published and safe for kids" do
16      before :each do
17        allow(cake).to receive(:published?).and_return(true)
18      end
19
20      it "tweets about the new cake" do
21        subject.perform(cake)
22        expect(twitter).to have_received(:tweet).
23          with("yummy By joe on http://www.example.com/cakes/88-yummy!")
24      end
25    end
26
27    context "when the cake is not published" do
28      before :each do
29        allow(cake).to receive(:published?).and_return(false)
30      end
31
32      it "should not publish any tweets" do
33        subject.perform(cake)
34        expect(twitter).not_to have_received(:tweet)
35      end
36    end
37  end
38end