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Unittest, Python’s built-in testing framework, does not natively support parallel test execution. To achieve parallel test execution with unittest, you can use third-party libraries like unittest-parallel. Below is an example of how you can use unittest-parallel to enable parallel execution of test cases with unittest.
| # pip install unittest-parallel | |
| # tests/test_parallel_execution.py | |
| # In this code, we have a unittest test case class TestParallelExecution with three test methods representing tasks that can run concurrently. | |
| import time | |
| import unittest | |
| class TestParallelExecution(unittest.TestCase): | |
| def test_task_1(self): | |
| """Simulate task 1 that takes some time to complete.""" | |
| time.sleep(1) # Simulate a task that takes 1 second | |
| self.assertTrue(True, "Task 1 completed successfully.") | |
| def test_task_2(self): | |
| """Simulate task 2 that takes some time to complete.""" | |
| time.sleep(1) # Simulate a task that takes 1 second | |
| self.assertTrue(True, "Task 2 completed successfully.") | |
| def test_task_3(self): | |
| """Simulate task 3 that takes some time to complete.""" | |
| time.sleep(1) # Simulate a task that takes 1 second | |
| self.assertTrue(True, "Task 3 completed successfully.") | |
| # To run the tests in parallel using unittest-parallel, you can specify the number of worker processes to use with the -w option. For example, to run tests with 2 worker processes in parallel, you can run: | |
| # unittest-parallel discover -s tests -p 'test_parallel_execution.py' -w 2 |
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