pytest-reraise

import threading from pytest_reraise import Reraise import pytest def test_threaded_exception_is_caught(): # This test will fail due to the ValueError in the thread # because pytest-reraise ensures the exception is re-raised. # Option 1: Instantiate Reraise reraise_instance = Reraise() def func_with_error(): raise ValueError("This exception should fail the test!") thread_with_error = threading.Thread(target=reraise_instance.wrap(func_with_error)) thread_with_error.start() thread_with_error.join() # Option 2: Use the class method (introduced in v2.1.0) def another_func_with_error(): # Example of a division by zero _ = 1 / 0 thread_with_another_error = threading.Thread(target=Reraise.wrap(another_func_with_error)) thread_with_another_error.start() thread_with_another_error.join() # To run this example: # 1. Save it as `test_example.py` # 2. Run `pytest test_example.py` in your terminal. # Expected outcome: Both parts of the test will raise exceptions and cause the test to fail.