diff --git a/src/ifcpatch/test/test_ifcpatch.py b/src/ifcpatch/test/test_ifcpatch.py
new file mode 100644
index 0000000000..53013cffe5
--- /dev/null
+++ b/src/ifcpatch/test/test_ifcpatch.py
@@ -0,0 +1,34 @@
+# IfcOpenShell - IFC toolkit and geometry engine
+# Copyright (C) 2022 Dion Moult <dion@thinkmoult.com>
+#
+# This file is part of IfcOpenShell.
+#
+# IfcOpenShell is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# IfcOpenShell is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with IfcOpenShell.  If not, see <http://www.gnu.org/licenses/>.
+
+import ifcpatch
+from pathlib import Path
+
+
+class Test:
+    def test_parsing_docs(self):
+        recipes = Path(ifcpatch.__file__).parent / "recipes"
+
+        for f in recipes.glob("*.py"):
+            if f.stem in "__init__":
+                continue
+            docs = ifcpatch.extract_docs(f.stem, "Patcher", "__init__", ("src", "file", "logger", "args"))
+            assert docs is not None
+            expected_keys = ("class_", "description", "output", "inputs")
+            for key in expected_keys:
+                assert key in docs