require 'spec_helper'

module Bullet
  module Notification
    describe Base do
      subject { Base.new(Post, [:comments, :votes]) }

      context '#title' do
        it 'should raise NoMethodError' do
          expect { subject.title }.to raise_error(NoMethodError)
        end
      end

      context '#body' do
        it 'should raise NoMethodError' do
          expect { subject.body }.to raise_error(NoMethodError)
        end
      end

      context '#whoami' do
        it 'should display user name' do
          user = `whoami`.chomp
          expect(subject.whoami).to eq("user: #{user}")
        end

        it 'should leverage ENV parameter' do
          temp_env_variable('USER', 'bogus') do
            expect(subject.whoami).to eq('user: bogus')
          end
        end

        it 'should return blank if no user available' do
          temp_env_variable('USER', '') do
            expect(subject).to receive(:`).with('whoami').and_return('')
            expect(subject.whoami).to eq('')
          end
        end

        it 'should return blank if whoami is not available' do
          temp_env_variable('USER', '') do
            expect(subject).to receive(:`).with('whoami').and_raise(Errno::ENOENT)
            expect(subject.whoami).to eq('')
          end
        end

        def temp_env_variable(name, value)
          old_value = ENV[name]
          ENV[name] = value
          yield
        ensure
          ENV[name] = old_value
        end

      end

      context '#body_with_caller' do
        it 'should return body' do
          allow(subject).to receive(:body).and_return('body')
          allow(subject).to receive(:call_stack_messages).and_return('call_stack_messages')
          expect(subject.body_with_caller).to eq("body\ncall_stack_messages\n")
        end
      end

      context '#notification_data' do
        it 'should return notification data' do
          allow(subject).to receive(:whoami).and_return('whoami')
          allow(subject).to receive(:url).and_return('url')
          allow(subject).to receive(:title).and_return('title')
          allow(subject).to receive(:body_with_caller).and_return('body_with_caller')
          expect(subject.notification_data).to eq(:user => 'whoami', :url => 'url', :title => 'title', :body => 'body_with_caller')
        end
      end

      context '#notify_inline' do
        it 'should send full_notice to notifier' do
          notifier = double
          allow(subject).to receive(:notifier).and_return(notifier)
          allow(subject).to receive(:notification_data).and_return(:foo => :bar)
          expect(notifier).to receive(:inline_notify).with(:foo => :bar)
          subject.notify_inline
        end
      end

      context '#notify_out_of_channel' do
        it 'should send full_out_of_channel to notifier' do
          notifier = double
          allow(subject).to receive(:notifier).and_return(notifier)
          allow(subject).to receive(:notification_data).and_return(:foo => :bar)
          expect(notifier).to receive(:out_of_channel_notify).with(:foo => :bar)
          subject.notify_out_of_channel
        end
      end
    end
  end
end