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27 changes: 27 additions & 0 deletions tests/test_run_test_observe.py
Original file line number Diff line number Diff line change
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import sys
import unittest

from titmas_action_gate.pr_gate import MAX_TOTAL_TEST_OUTPUT_BYTES, _run_test


class RunTestOutputObservationTests(unittest.TestCase):
def test_run_test_observes_output_streams(self) -> None:
command = [sys.executable, "-c", "import sys; sys.stdout.write('out'); sys.stderr.write('err')"]
result = _run_test(command, execute=True, environment={}, workspace=None)

self.assertEqual(result["exit_code"], 0)
self.assertEqual(result["stdout_bytes"], 3)
self.assertEqual(result["stderr_bytes"], 3)
self.assertEqual(result["combined_output_bytes"], 6)
self.assertFalse(result["output_limit_exceeded"])

def test_run_test_observes_output_limit_exceeded(self) -> None:
command = [sys.executable, "-c", f"import sys; sys.stdout.write('x' * ({MAX_TOTAL_TEST_OUTPUT_BYTES} + 1))"]
result = _run_test(command, execute=True, environment={}, workspace=None)

self.assertTrue(result["output_limit_exceeded"])
self.assertEqual(result["exit_code"], 125)


if __name__ == "__main__":
unittest.main()
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