added tests

test/web/media_proxy/invalidations/script_test.exs

@@ -0,0 +1,20 @@
+defmodule Pleroma.Web.MediaProxy.Invalidation.ScriptTest do
+  use ExUnit.Case
+  alias Pleroma.Web.MediaProxy.Invalidation
+
+  import ExUnit.CaptureLog
+
+  test "it logger error when script not found" do
+    assert capture_log(fn ->
+             assert Invalidation.Script.purge(
+                      ["http://example.com/media/example.jpg"],
+                      %{script_path: "./example"}
+                    ) == {:error, "\"%ErlangError{original: :enoent}\""}
+           end) =~ "Error while cache purge: \"%ErlangError{original: :enoent}\""
+
+    assert Invalidation.Script.purge(
+             ["http://example.com/media/example.jpg"],
+             %{}
+           ) == {:error, "not found script path"}
+  end
+end