mobilizon/test/service/metadata/utils_test.exs

defmodule Mobilizon.Service.Metadata.UtilsTest do
  alias Mobilizon.Service.Metadata.Utils
  use Mobilizon.DataCase

  describe "process_description/3" do
    test "process_description/3 strip tags" do
      assert Utils.process_description("<p>This is my biography</p>") == "This is my biography"
    end

    test "process_description/3 cuts after a limit" do
      assert Utils.process_description("<p>This is my biography</p>", "fr", 10) ==
               "This is my…"
    end

    test "process_description/3 cuts after the default limit" do
      assert Utils.process_description(
               "<h1>Biography</h1><p>It all started when someone wanted a <b>very long string</b> to be cut. However it's difficult to invent things to write when you've got nothing to say. Anyway, what's the deal here. We just need to reach 200 characters.",
               "fr"
             ) ==
               "Biography It all started when someone wanted a very long string to be cut. However it&#39;s difficult to invent things to write when you&#39;ve got nothing to say. Anyway, what&#39;s the deal here. We…"
    end

    test "process_description/3 returns default if no description is provided" do
      assert Utils.process_description(nil) ==
               "The event organizer didn't add any description."

      assert Utils.process_description("", "en") ==
               "The event organizer didn't add any description."
    end
  end

  describe "default_description/1" do
    test "returns default description with a correct locale" do
      assert Utils.default_description("en") == "The event organizer didn't add any description."
    end

    test "returns default description with no locale provided" do
      assert Utils.default_description() == "The event organizer didn't add any description."
    end
  end

  describe "stringify_tags/1" do
    test "converts tags to string" do
      alias Phoenix.HTML.Tag

      tag_1 = Tag.tag(:meta, property: "og:url", content: "one")
      tag_2 = "<meta content=\"two\" property=\"og:url\">"
      tag_3 = Tag.tag(:meta, property: "og:url", content: "three")

      assert Utils.stringify_tags([tag_1, tag_2, tag_3]) ==
               "<meta content=\"one\" property=\"og:url\"><meta content=\"two\" property=\"og:url\"><meta content=\"three\" property=\"og:url\">"
    end
  end

  describe "strip_tags/1" do
    test "removes tags from string" do
      assert Utils.strip_tags("<h1>Hello</h1><p>How are you</p>") == "Hello How are you"
    end
  end
end