1 files changed, 33 insertions, 0 deletions
diff --git a/tests/test_extensions/autodoc_util.py b/tests/test_extensions/autodoc_util.py
new file mode 100644
index 0000000..7c4da07
--- /dev/null
+++ b/tests/test_extensions/autodoc_util.py
@@ -0,0 +1,33 @@
+from __future__ import annotations
+
+from typing import TYPE_CHECKING
+from unittest.mock import Mock
+
+# NEVER import those objects from sphinx.ext.autodoc directly
+from sphinx.ext.autodoc.directive import DocumenterBridge, process_documenter_options
+from sphinx.util.docutils import LoggingReporter
+
+if TYPE_CHECKING:
+    from typing import Any
+
+    from docutils.statemachine import StringList
+
+    from sphinx.application import Sphinx
+
+
+def do_autodoc(
+    app: Sphinx,
+    objtype: str,
+    name: str,
+    options: dict[str, Any] | None = None,
+) -> StringList:
+    options = {} if options is None else options.copy()
+    app.env.temp_data.setdefault('docname', 'index')  # set dummy docname
+    doccls = app.registry.documenters[objtype]
+    docoptions = process_documenter_options(doccls, app.config, options)
+    state = Mock()
+    state.document.settings.tab_width = 8
+    bridge = DocumenterBridge(app.env, LoggingReporter(''), docoptions, 1, state)
+    documenter = doccls(bridge, name)
+    documenter.generate()
+    return bridge.result