From 699568ad674c5ea26d361202c386a8a8a82ec8ad Mon Sep 17 00:00:00 2001
From: Andy Mikhaylenko <neithere@gmail.com>
Date: Sun, 1 Jun 2025 21:28:53 +0200
Subject: [PATCH] fix(test): tests were broken under Python 3.14.0b2 (fixes
 #239)

(stripped down to bare essentials)

--- a/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -796,11 +796,17 @@ def func():
     parser = DebugArghParser()
     parser.set_default_command(func)
 
-    assert unindent(func.__doc__) in parser.format_help()
+    docstring = func.__doc__
+    assert docstring
+    assert unindent(docstring) in parser.format_help()
 
 
 def test_prog(capsys: pytest.CaptureFixture[str]):
-    "Program name propagates from sys.argv[0]"
+    """
+    Program name propagates to the usage string.
+    It's not just sys.argv[0], the logic is a bit more complicated in argparse,
+    so we just reuse whatever it has produced.
+    """
 
     def cmd(*, foo=1):
         return foo
@@ -808,10 +814,12 @@ def cmd(*, foo=1):
     parser = DebugArghParser()
     parser.add_commands([cmd])
 
-    usage = get_usage_string()
+    usage = f"usage: {parser.prog} [-h]"
 
-    assert run(parser, "-h", exit=True) == 0
+    exit_code = run(parser, "-h", exit=True)
     captured = capsys.readouterr()
+
+    assert exit_code == 0
     assert captured.out.startswith(usage)
 
 
@@ -822,8 +830,6 @@ def cmd(*, foo=1):
     parser = DebugArghParser()
     parser.set_default_command(cmd)
 
-    get_usage_string("[-f FOO]")
-
     assert run(parser, "--foo 1") == R(out="1\n", err="")
     assert run(parser, "--bar 1", exit=True) == "unrecognized arguments: --bar 1"
     assert run(parser, "--bar 1", exit=False, kwargs={"skip_unknown_args": True}) == R(