discourse/spec/script/import_scripts/vanilla_body_parser_spec.rb

# frozen_string_literal: true

require 'rails_helper'
require_relative '../../../script/import_scripts/vanilla_body_parser'
require_relative '../../../script/import_scripts/base/lookup_container'
require_relative '../../../script/import_scripts/base/uploader'

describe VanillaBodyParser do
  let(:lookup) { ImportScripts::LookupContainer.new }
  let(:uploader) { ImportScripts::Uploader.new }
  let(:uploads_path) { 'spec/fixtures/images/vanilla_import' }
  let(:user) { Fabricate(:user, id: '34567', email: 'saruman@maiar.org', name: 'Saruman, Multicolor', username: 'saruman_multicolor') }
  let(:user_id) { lookup.add_user('34567', user) }

  before do
    STDOUT.stubs(:write)
    STDERR.stubs(:write)

    VanillaBodyParser.configure(lookup: lookup, uploader: uploader, host: 'vanilla.sampleforum.org', uploads_path: uploads_path)
  end

  it 'keeps regular text intact' do
    parsed = VanillaBodyParser.new({ 'Format' => 'Html', 'Body' => 'Hello everyone!' }, user_id).parse
    expect(parsed).to eq 'Hello everyone!'
  end

  it 'keeps html tags' do
    parsed = VanillaBodyParser.new({ 'Format' => 'Html', 'Body' => 'H<br>E<br>L<br>L<br>O' }, user_id).parse
    expect(parsed).to eq "H<br>E<br>L<br>L<br>O"
  end

  it 'parses invalid html, removes font tags and leading spaces' do
    complex_html = '''<b><font color=green>this was bold and green:</b></font color=green>
    this starts with spaces but IS NOT a quote'''
    parsed = VanillaBodyParser.new({ 'Format' => 'Html', 'Body' => complex_html }, user_id).parse
    expect(parsed).to eq '''<b>this was bold and green:</b>
this starts with spaces but IS NOT a quote'''
  end

  it 'replaces pre tags with code backticks' do
    complex_html = '<pre class="CodeBlock">foobar</pre>'
    parsed = VanillaBodyParser.new({ 'Format' => 'Html', 'Body' => complex_html }, user_id).parse
    expect(parsed).to eq "\n```\nfoobar\n```\n"
  end

  it 'strips code tags' do
    complex_html = '<code>foobar</code>'
    parsed = VanillaBodyParser.new({ 'Format' => 'Html', 'Body' => complex_html }, user_id).parse
    expect(parsed).to eq "foobar"
  end

  it 'replaces div with quote class to bbcode quotes' do
    complex_html = '<div class="Quote">foobar</div>'
    parsed = VanillaBodyParser.new({ 'Format' => 'Html', 'Body' => complex_html }, user_id).parse
    expect(parsed).to eq "\n\n[quote]\n\nfoobar\n\n[/quote]\n\n"
  end

  describe 'rich format' do
    let(:rich_bodies) { JSON.parse(File.read('spec/fixtures/json/vanilla-rich-posts.json')).deep_symbolize_keys }

    it 'extracts text-only bodies' do
      parsed = VanillaBodyParser.new({ 'Format' => 'Rich', 'Body' => rich_bodies[:text].to_json }, user_id).parse
      expect(parsed).to eq "This is a message.\n\nAnd a second line."
    end

    it 'supports mentions of non-imported users' do
      parsed = VanillaBodyParser.new({ 'Format' => 'Rich', 'Body' => rich_bodies[:mention].to_json }, user_id).parse
      expect(parsed).to eq "@Gandalf The Grey, what do you think?"
    end

    it 'supports mentions imported users' do
      mentioned = Fabricate(:user, id: '666', email: 'gandalf@maiar.com', name: 'Gandalf The Grey', username: 'gandalf_the_grey')
      lookup.add_user('666', mentioned)

      parsed = VanillaBodyParser.new({ 'Format' => 'Rich', 'Body' => rich_bodies[:mention].to_json }, user_id).parse
      expect(parsed).to eq "@gandalf_the_grey, what do you think?"
    end

    it 'supports links' do
      parsed = VanillaBodyParser.new({ 'Format' => 'Rich', 'Body' => rich_bodies[:links].to_json }, user_id).parse
      expect(parsed).to eq "We can link to the <a href=\"https:\/\/www.discourse.org\/\">Discourse home page</a> and it works."
    end

    it 'supports quotes without topic info when it cannot be found' do
      parsed = VanillaBodyParser.new({ 'Format' => 'Rich', 'Body' => rich_bodies[:quote].to_json }, user_id).parse
      expect(parsed).to eq "[quote]\n\nThis is the full<br \/>body<br \/>of the quoted discussion.<br \/>\n\n[/quote]\n\nWhen did this happen?"
    end

    it 'supports quotes with user and topic info' do
      post = Fabricate(:post, user: user, id: 'discussion#12345', raw: "This is the full\r\nbody\r\nof the quoted discussion.\r\n")

      topic_id = lookup.add_topic(post)
      lookup.add_post('discussion#12345', post)

      parsed = VanillaBodyParser.new({ 'Format' => 'Rich', 'Body' => rich_bodies[:quote].to_json }, user_id).parse
      expect(parsed).to eq "[quote=\"#{user.username}, post: #{post.post_number}, topic: #{post.topic.id}\"]\n\nThis is the full<br \/>body<br \/>of the quoted discussion.<br \/>\n\n[/quote]\n\nWhen did this happen?"
    end

    it 'supports uploaded images' do
      parsed = VanillaBodyParser.new({ 'Format' => 'Rich', 'Body' => rich_bodies[:image].to_json }, user_id).parse
      expect(parsed).to match(/Here's the screenshot\:\n\n\!\[Screen Shot 2020\-05\-26 at 7\.09\.06 AM\.png\|\d+x\d+\]\(upload\:\/\/\w+\.png\)$/)
    end

    it 'supports embedded links' do
      parsed = VanillaBodyParser.new({ 'Format' => 'Rich', 'Body' => rich_bodies[:embed_link].to_json }, user_id).parse
      expect(parsed).to eq "Does anyone know this website?\n\n[Title of the page being linked](https:\/\/someurl.com\/long\/path\/here_and_there\/?fdkmlgm)"
    end

    it 'keeps uploaded files as links' do
      parsed = VanillaBodyParser.new({ 'Format' => 'Rich', 'Body' => rich_bodies[:upload_file].to_json }, user_id).parse
      expect(parsed).to eq "This is a PDF I've uploaded:\n\n<a href=\"https://vanilla.sampleforum.org/uploads/393/5QR3BX57K7HM.pdf\">original_name_of_file.pdf</a>"
    end

    it 'supports complex formatting' do
      parsed = VanillaBodyParser.new({ 'Format' => 'Rich', 'Body' => rich_bodies[:complex_formatting].to_json }, user_id).parse
      expect(parsed).to eq "<b>Name</b>: Jon Snow\n\n<b><i>* not their real name</i></b>\n\n<ol>\n\n<li>first item</li>\n\n<li>second</li>\n\n<li>third and last</li>\n\n</ol>\n\nThat's all folks!"
    end

    it 'support code blocks' do
      parsed = VanillaBodyParser.new({ 'Format' => 'Rich', 'Body' => rich_bodies[:code_block].to_json }, user_id).parse
      expect(parsed).to eq "Here's a monospaced block:\n\n```\nthis line should be monospaced\nthis one too, with extra spaces#{' ' * 4}\n```\n\nbut not this one"
    end
  end
end