Extract LastFm module

test/last_fm_test.exs

@@ -0,0 +1,23 @@
+defmodule LastFmTest do
+  use ExUnit.Case, async: true
+
+  alias LastFm.APIMock
+  alias LastFm.Fixtures.Artist
+  import Mox
+
+  setup :verify_on_exit!
+
+  describe "get_artist_info/1" do
+    test "it returns the artist info" do
+      name = "Steven Wilson"
+      musicbrainz_id = Ecto.UUID.generate()
+      expected_info = Artist.get_info()
+
+      expect(APIMock, :get_artist_info, fn {:musicbrainz_id, ^musicbrainz_id}, _config ->
+        {:ok, expected_info}
+      end)
+
+      assert {:ok, expected_info} == LastFm.get_artist_info(musicbrainz_id, name)
+    end
+  end
+end

test/music_library/artists_test.exs

@@ -1,13 +1,8 @@
 defmodule MusicLibrary.ArtistsTest do
   use MusicLibrary.DataCase
 
-  alias LastFm.APIMock
   alias MusicLibrary.Artists
   import MusicLibrary.Fixtures.Records
-  import LastFm.Fixtures.Artist
-  import Mox
-
-  setup :verify_on_exit!
 
   describe "get_artist/1" do
     test "it returns records with essential data" do
@@ -34,25 +29,4 @@ defmodule MusicLibrary.ArtistsTest do
       assert expected == Artists.get_all_artist_ids()
     end
   end
-
-  describe "get_artist_info/1" do
-    test "it returns the artist info" do
-      collection_record =
-        record_with_artist("Steven Wilson", %{
-          title: "The Raven that refused to sing",
-          purchased_at: DateTime.utc_now()
-        })
-
-      [artist] = collection_record.artists
-      artist_musicbrainz_id = artist.musicbrainz_id
-
-      expected_info = get_info()
-
-      expect(APIMock, :get_artist_info, fn {:musicbrainz_id, ^artist_musicbrainz_id}, _config ->
-        {:ok, expected_info}
-      end)
-
-      assert {:ok, expected_info} == Artists.get_artist_info(artist)
-    end
-  end
 end