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# Flask Test Client API | Online Tutorial FlaskClient is a simulated browser that can send requests and verify responses without starting a server. Create an instance via app.test_client(). * * * ## Create Test Client | Method | Description | | --- | --- | | app.test_client(use_cookies=True) | Standard creation. use_cookies=False disables cookie handling | | with app.test_client() as client: | Context manager. Automatically cleans up request context on exit | * * * ## Request Methods All methods return TestResponse object (inherits from Response). | Method | Description | | --- | --- | | get(path, **kwargs) | Send GET request | | post(path, **kwargs) | Send POST request | | put(path, **kwargs) | Send PUT request | | delete(path, **kwargs) | Send DELETE request | | patch(path, **kwargs) | Send PATCH request | | open(path, method, **kwargs) | Generic request method, requires explicit method specification |