Update test/serum/plugin_test.exs

test/serum/plugin_test.exs

@@ -72,6 +72,24 @@ defmodule Serum.PluginTest do
     end)
   end
 
+  test "still handles deprecated callbacks" do
+    {:ok, _} = load_plugins([Serum.OldPlugin])
+    {:ok, io_opts} = IOProxy.config()
+
+    IOProxy.config(mute_err: true, mute_msg: true)
+
+    output =
+      capture_io(fn ->
+        assert :ok = build_started("", "")
+        assert :ok = build_succeeded("", "")
+      end)
+
+    assert output =~ "build_started"
+    assert output =~ "build_succeeded"
+
+    IOProxy.config(Keyword.new(io_opts))
+  end
+
   describe "show_info/1" do
     test "prints enough information about loaded plugins" do
       {:ok, plugins} = load_plugins([Serum.DummyPlugin1, Serum.DummyPlugin2])