require 'test_helper'

class HTML::Pipeline::EmojiFilterTest < Minitest::Test
  EmojiFilter = HTML::Pipeline::EmojiFilter

  def test_emojify
    filter = EmojiFilter.new("<p>:shipit:</p>", {:asset_root => 'https://foo.com'})
    doc = filter.call
    assert_match "https://foo.com/emoji/shipit.png", doc.search('img').attr('src').value
  end

  def test_uri_encoding
    filter = EmojiFilter.new("<p>:+1:</p>", {:asset_root => 'https://foo.com'})
    doc = filter.call
    assert_match "https://foo.com/emoji/unicode/1f44d.png", doc.search('img').attr('src').value
  end

  def test_required_context_validation
    exception = assert_raises(ArgumentError) {
      EmojiFilter.call("", {})
    }
    assert_match /:asset_root/, exception.message
  end

  def test_custom_asset_path
    filter = EmojiFilter.new("<p>:+1:</p>", {:asset_path => ':file_name', :asset_root => 'https://foo.com'})
    doc = filter.call
    assert_match "https://foo.com/unicode/1f44d.png", doc.search('img').attr('src').value
  end

  def test_not_emojify_in_code_tags
    body = "<code>:shipit:</code>"
    filter = EmojiFilter.new(body, {:asset_root => 'https://foo.com'})
    doc = filter.call
    assert_equal body, doc.to_html
  end

  def test_not_emojify_in_tt_tags
    body = "<tt>:shipit:</tt>"
    filter = EmojiFilter.new(body, {:asset_root => 'https://foo.com'})
    doc = filter.call
    assert_equal body, doc.to_html
  end

  def test_not_emojify_in_pre_tags
    body = "<pre>:shipit:</pre>"
    filter = EmojiFilter.new(body, {:asset_root => 'https://foo.com'})
    doc = filter.call
    assert_equal body, doc.to_html
  end

  def test_not_emojify_in_custom_single_tag_foo
    body = "<foo>:shipit:</foo>"
    filter = EmojiFilter.new(body, {:asset_root => 'https://foo.com', ignored_ancestor_tags: %w(foo)})
    doc = filter.call
    assert_equal body, doc.to_html
  end

  def test_not_emojify_in_custom_multiple_tags_foo_and_bar
    body = "<bar>:shipit:</bar>"
    filter = EmojiFilter.new(body, {:asset_root => 'https://foo.com', ignored_ancestor_tags: %w(foo bar)})
    doc = filter.call
    assert_equal body, doc.to_html
  end
end