How can you ensure the reliability of your tests in a scenario where external services have inconsistent behavior?

  • Mock the external services to simulate consistent behavior; Use retry mechanisms in your tests to account for inconsistencies; Write tests that ignore external services.
  • Rely on external services' behavior as is, without any mitigation; Run the tests at a specific time when external services are expected to be consistent; Ignore testing external services.
  • Always use real external services in your tests to ensure accuracy; Write tests that fail gracefully when external services are inconsistent; Run tests with random intervals to catch inconsistencies.
  • Use external services only for integration tests, not unit tests; Write tests that expect failures due to external services; Use only internal services to avoid inconsistencies.
To ensure test reliability when external services have inconsistent behavior, it's best to mock the external services to simulate consistent behavior during tests. The other options either ignore the issue or rely on unpredictable external behavior.
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