require 'rails_helper' RSpec.describe EmojiFormatter do let!(:emoji) { Fabricate(:custom_emoji, shortcode: 'coolcat') } def preformat_text(str) TextFormatter.new(str).to_s end describe '#to_s' do subject { described_class.new(text, emojis).to_s } let(:emojis) { [emoji] } context 'given text that is not marked as html-safe' do let(:text) { 'Foo' } it 'raises an argument error' do expect { subject }.to raise_error ArgumentError end end context 'given text with an emoji shortcode at the start' do let(:text) { preformat_text(':coolcat: Beep boop') } it 'converts the shortcode to an image tag' do is_expected.to match(/<img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/) end end context 'given text with an emoji shortcode in the middle' do let(:text) { preformat_text('Beep :coolcat: boop') } it 'converts the shortcode to an image tag' do is_expected.to match(/Beep <img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/) end end context 'given text with concatenated emoji shortcodes' do let(:text) { preformat_text(':coolcat::coolcat:') } it 'does not touch the shortcodes' do is_expected.to match(/:coolcat::coolcat:/) end end context 'given text with an emoji shortcode at the end' do let(:text) { preformat_text('Beep boop :coolcat:') } it 'converts the shortcode to an image tag' do is_expected.to match(/boop <img rel="emoji" draggable="false" width="16" height="16" class="emojione custom-emoji" alt=":coolcat:"/) end end end end