feat: fake k8 client and resource test generator

.flake8

@@ -62,6 +62,9 @@ fcn_exclude_functions =
     subprocess,
     urlparse,
     parse_qs,
+    self,
+    defaultdict,
+    add_row,
 
 enable-extensions =
     FCN,

README.md

@@ -117,6 +117,37 @@ pre-commit install
 
 Some code examples locate at [examples](examples) directory
 
+## Adding Tests for New Resources
+
+### Add tests
+
+Generate automated tests for newly added resources using the test generator:
+
+**Note**: Tests are only generated for classes that were generated by class-generator.
+
+```bash
+# Generate tests for a specific resource
+uv run tests/scripts/generate_pytest_test.py --kind ResourceName
+
+# Generate tests for multiple resources
+uv run tests/scripts/generate_pytest_test.py --kind Pod,Service,Deployment
+
+# Preview generated tests without writing files
+uv run tests/scripts/generate_pytest_test.py --kind ResourceName --dry-run
+```
+
+The generator creates standard CRUD tests in `tests/test_resources/test_resource_name.py` using the fake client for isolated testing without requiring a real Kubernetes cluster.
+
+Run the generated tests:
+
+```bash
+# Run tests for specific resource
+uv run --group tests pytest tests/test_resources/test_resource_name.py
+
+# Run all resource tests
+uv run --group tests pytest tests/test_resources/
+```
+
 ## Contribute to the project
 
 To contribute new additions or changes to the project, please refer to the [contribution guide](CONTRIBUTING.md) first.