In Python networking, how do I write unit tests?

In Python networking, writing unit tests is essential to ensure that your networked applications function correctly. You can utilize the `unittest` module or `pytest` framework for this purpose. Below is a simple example showing how to write a unit test for a network function that fetches data from an API.

import unittest from unittest.mock import patch import requests def fetch_data(url): response = requests.get(url) return response.json() class TestFetchData(unittest.TestCase): @patch('requests.get') def test_fetch_data(self, mock_get): # Arrange mock_get.return_value.json.return_value = {'key': 'value'} # Act result = fetch_data('http://fakeurl.com') # Assert self.assertEqual(result, {'key': 'value'}) if __name__ == '__main__': unittest.main()

Python Networking Unit Tests unittest pytest API Testing

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