Add test

tests/helper.py

@@ -240,7 +240,10 @@ def sysexit(self, assert_none_zero: bool = False) -> str:
             raise Exception("No stdout or stderr")
         return self.__stderr + self.__stdout
 
+    def open_in_mscore(self) -> None:
+        open_in_gui(self.score().path)
+
 
 def open_in_gui(file: str | Path) -> None:
     """Open a file wiht xdg-open in the background"""
-    subprocess.Popen(("/usr/local/bin/mscore", str(file)))
+    subprocess.Popen(("/usr/local/bin/mscore", str(file)), close_fds=True)

tests/test_complex_tasks.py

@@ -0,0 +1,23 @@
+"""Test the examples from the README.rst file."""
+
+from __future__ import annotations
+
+from tests.helper import Cli
+
+
+def test_din_a4_compress_rename() -> None:
+    score = (
+        Cli(
+            "--save-in-mscore",
+            "--a4",
+            "--rename",
+            "_Piano_A4",
+            "--only-filename",
+        )
+        .append_score("Im-Fruehtau-zu-Berge.mscz")
+        .score()
+    )
+
+    dest = score.path.parent / "_Piano_A4.mscz"
+
+    assert dest.exists()