Share recent tracks fixture between Last.fm tests

test/last_fm/import_test.exs

@@ -1,21 +1,15 @@
 defmodule LastFm.ImportTest do
   use MusicLibrary.DataCase
 
+  alias LastFm.Fixtures.RecentTracks
   alias MusicLibrary.ListeningStats
 
-  @recent_tracks_fixture Path.expand(
-                           "../support/fixtures/last_fm/user.getrecenttracks.json",
-                           __DIR__
-                         )
-
   describe "batch/1" do
     test "fetches recent tracks and persists them via ListeningStats" do
-      response = @recent_tracks_fixture |> File.read!() |> JSON.decode!()
-
       Req.Test.stub(LastFm.API, fn conn ->
         assert URI.decode_query(conn.query_string)["method"] == "user.getrecenttracks"
 
-        Req.Test.json(conn, response)
+        Req.Test.json(conn, RecentTracks.get())
       end)
 
       assert {:ok, count} = LastFm.Import.batch([])
@@ -24,14 +18,12 @@ defmodule LastFm.ImportTest do
     end
 
     test "forwards limit and to_uts options to the Last.fm API" do
-      response = @recent_tracks_fixture |> File.read!() |> JSON.decode!()
-
       Req.Test.stub(LastFm.API, fn conn ->
         params = URI.decode_query(conn.query_string)
         assert params["limit"] == "50"
         assert params["to"] == "1730600000"
 
-        Req.Test.json(conn, response)
+        Req.Test.json(conn, RecentTracks.get())
       end)
 
       assert {:ok, _count} = LastFm.Import.batch(limit: 50, to_uts: 1_730_600_000)

test/last_fm/track_test.exs

@@ -1,15 +1,11 @@
 defmodule LastFm.TrackTest do
   use ExUnit.Case, async: true
 
-  @api_response_path Path.expand("../support/fixtures/last_fm/user.getrecenttracks.json", __DIR__)
+  alias LastFm.Fixtures.RecentTracks
 
   describe "from_api_response/1" do
     test "returns correct data" do
-      api_response =
-        @api_response_path
-        |> File.read!()
-        |> JSON.decode!()
-        |> get_in(["recenttracks", "track"])
+      api_response = get_in(RecentTracks.get(), ["recenttracks", "track"])
 
       assert [
                %LastFm.Track{

test/support/fixtures/last_fm/recent_tracks.ex

@@ -0,0 +1,10 @@
+defmodule LastFm.Fixtures.RecentTracks do
+  @fixtures_folder Path.join([File.cwd!(), "test/support/fixtures/last_fm"])
+
+  @external_resource Path.join([@fixtures_folder, "user.getrecenttracks.json"])
+  @get Path.join([@fixtures_folder, "user.getrecenttracks.json"])
+       |> File.read!()
+       |> JSON.decode!()
+
+  def get, do: @get
+end