spec/helpers/broadcast_messages_helper_spec.rb


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require 'spec_helper'

describe BroadcastMessagesHelper do
  describe 'broadcast_message' do
    it 'returns nil when no current message' do
      expect(helper.broadcast_message(nil)).to be_nil
    end

    it 'includes the current message' do
      current = double(message: 'Current Message')

      allow(helper).to receive(:broadcast_message_style).and_return(nil)

      expect(helper.broadcast_message(current)).to include 'Current Message'
    end

    it 'includes custom style' do
      current = double(message: 'Current Message')

      allow(helper).to receive(:broadcast_message_style).and_return('foo')

      expect(helper.broadcast_message(current)).to include 'style="foo"'
    end
  end

  describe 'broadcast_message_style' do
    it 'defaults to no style' do
      broadcast_message = spy

      expect(helper.broadcast_message_style(broadcast_message)).to eq ''
    end

    it 'allows custom style' do
      broadcast_message = double(color: '#f2dede', font: '#b94a48')

      expect(helper.broadcast_message_style(broadcast_message)).
        to match('background-color: #f2dede; color: #b94a48')
    end
  end
end