akkoma/test/pleroma/emoji_test.exs

# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only

defmodule Pleroma.EmojiTest do
  use ExUnit.Case, async: true
  alias Pleroma.Emoji

  describe "is_unicode_emoji?/1" do
    test "tells if a string is an unicode emoji" do
      refute Emoji.is_unicode_emoji?("X")
      refute Emoji.is_unicode_emoji?("ね")

      # Only accept fully-qualified (RGI) emoji
      # See http://www.unicode.org/reports/tr51/
      refute Emoji.is_unicode_emoji?("❤")
      refute Emoji.is_unicode_emoji?("☂")

      assert Emoji.is_unicode_emoji?("🥺")
      assert Emoji.is_unicode_emoji?("🤰")
      assert Emoji.is_unicode_emoji?("❤️")
      assert Emoji.is_unicode_emoji?("🏳️‍⚧️")
      assert Emoji.is_unicode_emoji?("🫵")

      # Additionally, we accept regional indicators.
      assert Emoji.is_unicode_emoji?("🇵")
      assert Emoji.is_unicode_emoji?("🇴")
      assert Emoji.is_unicode_emoji?("🇬")
    end
  end

  describe "get_all/0" do
    setup do
      emoji_list = Emoji.get_all()
      {:ok, emoji_list: emoji_list}
    end

    test "first emoji", %{emoji_list: emoji_list} do
      [emoji | _others] = emoji_list
      {code, %Emoji{file: path, tags: tags}} = emoji

      assert tuple_size(emoji) == 2
      assert is_binary(code)
      assert is_binary(path)
      assert is_list(tags)
    end

    test "random emoji", %{emoji_list: emoji_list} do
      emoji = Enum.random(emoji_list)
      {code, %Emoji{file: path, tags: tags}} = emoji

      assert tuple_size(emoji) == 2
      assert is_binary(code)
      assert is_binary(path)
      assert is_list(tags)
    end
  end
end