require "spec_helper"
require "octopolo/scripts/deployable"

module Octopolo
  module Scripts
    describe Deployable do
      let(:cli) { stub(:Cli) }
      let(:config) { stub(:user_notifications => ['NickLaMuro'], :github_repo => 'foo', :deployable_label => true) }
      before { Deployable.any_instance.stub(:cli => cli, :config => config) }

      context "#execute" do
        context "with a PR passed in via the command args" do
          subject { Deployable.new 42 }

          it "delegates the work to PullRequestMerger" do
            allow(Octopolo::GitHub::Label).to receive(:add_to_pull)
            PullRequestMerger.should_receive(:perform).with(Git::DEPLOYABLE_PREFIX, 42, :user_notifications => ["NickLaMuro"])
            subject.execute
          end
        end

        context "with no PR passed in from the command args" do
          subject { Deployable.new }

          context "with a PR passed in through the cli" do
            before do
              cli.should_receive(:prompt)
                 .with("Pull Request ID: ")
                 .and_return("42")
            end

            it "delegates the work to PullRequestMerger" do
              allow(Octopolo::GitHub::Label).to receive(:add_to_pull)
              PullRequestMerger.should_receive(:perform).with(Git::DEPLOYABLE_PREFIX, 42, :user_notifications => ["NickLaMuro"])
              subject.execute
            end
          end

          context "with no PR passed in from the cli" do
            before do
              cli.should_receive(:prompt)
                 .with("Pull Request ID: ")
                 .and_return("foo")
            end

            it "delegates the work to PullRequestMerger" do
              expect{ subject.execute }.to raise_error(ArgumentError)
            end
          end
        end

        context "with various values for deployable_label" do
          let(:deployable_label) {Octopolo::GitHub::Label.new("deployable", "428BCA")}
          subject { Deployable.new 42 }
          before do
            allow(PullRequestMerger).to receive(:perform)
          end

          it "calls add_to_pull when deployable_label is true" do
            expect(Octopolo::GitHub::Label).to receive(:add_to_pull).with(42,deployable_label)
            subject.execute
          end

          context "deployable_label is set to false " do 
            let(:config) { stub(:user_notifications => ['NickLaMuro'], :github_repo => 'foo', :deployable_label => false) }
            it "skips add_to_pull when deployable_label is false" do
              expect(Octopolo::GitHub::Label).to_not receive(:add_to_pull).with(42,deployable_label)
              subject.execute
            end
          end
        end
      end
    end
  end
end