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+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 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?("🏳️‍⚧️")
+
+      # 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