Fixed matching patterns used for mocking

.ansible-lint

@@ -7,6 +7,10 @@ exclude_paths:
 
 # Mock modules or roles in order to pass ansible-playbook --syntax-check
 mock_modules:
+  - a
+  # "a.b" is not allowed by ansible
+  - a.b.c # module c inside a.b collection
+  - a.b.c.d  # module c.d inside a.b collection
   - zuul_return
   - fake_namespace.fake_collection.fake_module
   # note the foo.bar is invalid as being neither a module or a collection

src/ansiblelint/_prerun.py

@@ -226,9 +226,14 @@ def _prepare_ansible_paths() -> None:
 
 def _make_module_stub(module_name: str) -> None:
     # a.b.c is treated a collection
-    if re.match(r"\w+\.\w+\.\w+", module_name):
-        namespace, collection, module_file = module_name.split(".")
+    if re.match(r"\w+\.\w+\.[\.\w]+$", module_name):
+        namespace, collection, module_file = module_name.split(".", 2)
         path = f"{ options.project_dir }/.cache/collections/ansible_collections/{ namespace }/{ collection }/plugins/modules"
+        if "." in module_file:
+            parts = module_file.split(".")
+            path += "/" + "/".join(parts[0:-1])
+            module_file = parts[-1]
+        print(f"ERROR: {path} -> {module_file}")
         os.makedirs(path, exist_ok=True)
         _write_module_stub(
             filename=f"{path}/{module_file}.py",
@@ -274,7 +279,7 @@ def _update_env(varname: str, value: List[str], default: str = "") -> None:
 def _perform_mockings() -> None:
     """Mock modules and roles."""
     for role_name in options.mock_roles:
-        if re.match(r"\w+\.\w+\.\w+", role_name):
+        if re.match(r"\w+\.\w+\.\w+$", role_name):
             namespace, collection, role_dir = role_name.split(".")
             path = f".cache/collections/ansible_collections/{ namespace }/{ collection }/roles/{ role_dir }/"
         else: