Enhance copy test to verify all config fields are preserved

Copilot · nathanjmcdougall · web-flow · commit 5766e1f4d5b5 · 2026-04-06T19:21:01.000Z
Agent-Logs-Url: https://github.com/usethis-python/usethis-python/sessions/8e4db7cc-5876-49e5-9601-e64a0a24f831 Co-authored-by: nathanjmcdougall <18602289+nathanjmcdougall@users.noreply.github.com>
diff --git a/tests/usethis/test_config.py b/tests/usethis/test_config.py
@@ -6,6 +6,7 @@
 from usethis._config import UsethisConfig, usethis_config
 from usethis._test import change_cwd
 from usethis._types.backend import BackendEnum
+from usethis._types.build_backend import BuildBackendEnum
 from usethis.errors import ForbiddenBackendError
 
 
@@ -40,6 +41,14 @@ def test_preserves_modified_values(self):
             config.offline = True
             config.quiet = True
             config.frozen = True
+            config.alert_only = True
+            config.instruct_only = True
+            config.backend = BackendEnum.uv
+            config.inferred_backend = BackendEnum.uv
+            config.build_backend = BuildBackendEnum.uv
+            config.disable_pre_commit = True
+            config.subprocess_verbose = True
+            config.project_dir = Path("/some/project")
 
             # Act
             copied = config.copy()
@@ -48,6 +57,14 @@ def test_preserves_modified_values(self):
             assert copied.offline is True
             assert copied.quiet is True
             assert copied.frozen is True
+            assert copied.alert_only is True
+            assert copied.instruct_only is True
+            assert copied.backend is BackendEnum.uv
+            assert copied.inferred_backend is BackendEnum.uv
+            assert copied.build_backend is BuildBackendEnum.uv
+            assert copied.disable_pre_commit is True
+            assert copied.subprocess_verbose is True
+            assert copied.project_dir == Path("/some/project")
 
         def test_independent_of_original(self):
             # Arrange
