# frozen_string_literal: true require 'rails_helper' RSpec.describe TextFormatter do describe '#to_s' do subject { described_class.new(text, preloaded_accounts: preloaded_accounts).to_s } let(:preloaded_accounts) { nil } context 'when given text containing plain text' do let(:text) { 'text' } it 'paragraphizes the text' do expect(subject).to eq '<p>text</p>' end end context 'when given text containing line feeds' do let(:text) { "line\nfeed" } it 'removes line feeds' do expect(subject).to_not include "\n" end end context 'when given text containing linkable mentions' do let(:preloaded_accounts) { [Fabricate(:account, username: 'alice')] } let(:text) { '@alice' } it 'creates a mention link' do expect(subject).to include '<a href="https://cb6e6126.ngrok.io/@alice" class="u-url mention">@<span>alice</span></a></span>' end end context 'when given text containing unlinkable mentions' do let(:preloaded_accounts) { [] } let(:text) { '@alice' } it 'does not create a mention link' do expect(subject).to include '@alice' end end context 'when given a stand-alone medium URL' do let(:text) { 'https://hackernoon.com/the-power-to-build-communities-a-response-to-mark-zuckerberg-3f2cac9148a4' } it 'matches the full URL' do expect(subject).to include 'href="https://hackernoon.com/the-power-to-build-communities-a-response-to-mark-zuckerberg-3f2cac9148a4"' end end context 'when given a stand-alone google URL' do let(:text) { 'http://google.com' } it 'matches the full URL' do expect(subject).to include 'href="http://google.com"' end end context 'when given a stand-alone URL with a newer TLD' do let(:text) { 'http://example.gay' } it 'matches the full URL' do expect(subject).to include 'href="http://example.gay"' end end context 'when given a stand-alone IDN URL' do let(:text) { 'https://nic.みんな/' } it 'matches the full URL' do expect(subject).to include 'href="https://nic.みんな/"' end it 'has display URL' do expect(subject).to include '<span class="">nic.みんな/</span>' end end context 'when given a URL with a trailing period' do let(:text) { 'http://www.mcmansionhell.com/post/156408871451/50-states-of-mcmansion-hell-scottsdale-arizona. ' } it 'matches the full URL but not the period' do expect(subject).to include 'href="http://www.mcmansionhell.com/post/156408871451/50-states-of-mcmansion-hell-scottsdale-arizona"' end end context 'when given a URL enclosed with parentheses' do let(:text) { '(http://google.com/)' } it 'matches the full URL but not the parentheses' do expect(subject).to include 'href="http://google.com/"' end end context 'when given a URL with a trailing exclamation point' do let(:text) { 'http://www.google.com!' } it 'matches the full URL but not the exclamation point' do expect(subject).to include 'href="http://www.google.com"' end end context 'when given a URL with a trailing single quote' do let(:text) { "http://www.google.com'" } it 'matches the full URL but not the single quote' do expect(subject).to include 'href="http://www.google.com"' end end context 'when given a URL with a trailing angle bracket' do let(:text) { 'http://www.google.com>' } it 'matches the full URL but not the angle bracket' do expect(subject).to include 'href="http://www.google.com"' end end context 'when given a URL with a query string' do context 'with escaped unicode character' do let(:text) { 'https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&q=autolink' } it 'matches the full URL' do expect(subject).to include 'href="https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&q=autolink"' end end context 'with unicode character' do let(:text) { 'https://www.ruby-toolbox.com/search?utf8=✓&q=autolink' } it 'matches the full URL' do expect(subject).to include 'href="https://www.ruby-toolbox.com/search?utf8=✓&q=autolink"' end end context 'with unicode character at the end' do let(:text) { 'https://www.ruby-toolbox.com/search?utf8=✓' } it 'matches the full URL' do expect(subject).to include 'href="https://www.ruby-toolbox.com/search?utf8=✓"' end end context 'with escaped and not escaped unicode characters' do let(:text) { 'https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&utf81=✓&q=autolink' } it 'preserves escaped unicode characters' do expect(subject).to include 'href="https://www.ruby-toolbox.com/search?utf8=%E2%9C%93&utf81=✓&q=autolink"' end end end context 'when given a URL with parentheses in it' do let(:text) { 'https://en.wikipedia.org/wiki/Diaspora_(software)' } it 'matches the full URL' do expect(subject).to include 'href="https://en.wikipedia.org/wiki/Diaspora_(software)"' end end context 'when given a URL in quotation marks' do let(:text) { '"https://example.com/"' } it 'does not match the quotation marks' do expect(subject).to include 'href="https://example.com/"' end end context 'when given a URL in angle brackets' do let(:text) { '<https://example.com/>' } it 'does not match the angle brackets' do expect(subject).to include 'href="https://example.com/"' end end context 'when given a URL with Japanese path string' do let(:text) { 'https://ja.wikipedia.org/wiki/日本' } it 'matches the full URL' do expect(subject).to include 'href="https://ja.wikipedia.org/wiki/日本"' end end context 'when given a URL with Korean path string' do let(:text) { 'https://ko.wikipedia.org/wiki/대한민국' } it 'matches the full URL' do expect(subject).to include 'href="https://ko.wikipedia.org/wiki/대한민국"' end end context 'when given a URL with a full-width space' do let(:text) { 'https://example.com/ abc123' } it 'does not match the full-width space' do expect(subject).to include 'href="https://example.com/"' end end context 'when given a URL in Japanese quotation marks' do let(:text) { '「[https://example.org/」' } it 'does not match the quotation marks' do expect(subject).to include 'href="https://example.org/"' end end context 'when given a URL with Simplified Chinese path string' do let(:text) { 'https://baike.baidu.com/item/中华人民共和国' } it 'matches the full URL' do expect(subject).to include 'href="https://baike.baidu.com/item/中华人民共和国"' end end context 'when given a URL with Traditional Chinese path string' do let(:text) { 'https://zh.wikipedia.org/wiki/臺灣' } it 'matches the full URL' do expect(subject).to include 'href="https://zh.wikipedia.org/wiki/臺灣"' end end context 'when given a URL containing unsafe code (XSS attack, visible part)' do let(:text) { 'http://example.com/b<del>b</del>' } it 'does not include the HTML in the URL' do expect(subject).to include '"http://example.com/b"' end it 'escapes the HTML' do expect(subject).to include '<del>b</del>' end end context 'when given a URL containing unsafe code (XSS attack, invisible part)' do let(:text) { 'http://example.com/blahblahblahblah/a<script>alert("Hello")</script>' } it 'does not include the HTML in the URL' do expect(subject).to include '"http://example.com/blahblahblahblah/a"' end it 'escapes the HTML' do expect(subject).to include '<script>alert("Hello")</script>' end end context 'when given text containing HTML code (script tag)' do let(:text) { '<script>alert("Hello")</script>' } it 'escapes the HTML' do expect(subject).to include '<p><script>alert("Hello")</script></p>' end end context 'when given text containing HTML (XSS attack)' do let(:text) { %q{<img src="javascript:alert('XSS');">} } it 'escapes the HTML' do expect(subject).to include '<p><img src="javascript:alert('XSS');"></p>' end end context 'when given an invalid URL' do let(:text) { 'http://www\.google\.com' } it 'outputs the raw URL' do expect(subject).to eq '<p>http://www\.google\.com</p>' end end context 'when given text containing a hashtag' do let(:text) { '#hashtag' } it 'creates a hashtag link' do expect(subject).to include '/tags/hashtag" class="mention hashtag" rel="tag">#<span>hashtag</span></a>' end end context 'when given text containing a hashtag with Unicode chars' do let(:text) { '#hashtagタグ' } it 'creates a hashtag link' do expect(subject).to include '/tags/hashtag%E3%82%BF%E3%82%B0" class="mention hashtag" rel="tag">#<span>hashtagタグ</span></a>' end end context 'when given text with a stand-alone xmpp: URI' do let(:text) { 'xmpp:user@instance.com' } it 'matches the full URI' do expect(subject).to include 'href="xmpp:user@instance.com"' end end context 'when given text with an xmpp: URI with a query-string' do let(:text) { 'please join xmpp:muc@instance.com?join right now' } it 'matches the full URI' do expect(subject).to include 'href="xmpp:muc@instance.com?join"' end end context 'when given text containing a magnet: URI' do let(:text) { 'wikipedia gives this example of a magnet uri: magnet:?xt=urn:btih:c12fe1c06bba254a9dc9f519b335aa7c1367a88a' } it 'matches the full URI' do expect(subject).to include 'href="magnet:?xt=urn:btih:c12fe1c06bba254a9dc9f519b335aa7c1367a88a"' end end end end