test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess[False-exception1-build] AssertionError: assert False + where False = <built-in method startswith of str object at 0x7ff86fb303f0>('\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /home/runner/work/poetry/poetry/tests/fixtures/simple_project)\n\n IsolatedBuildError\n\n hide the original error\n \n original error\n') + where <built-in method startswith of str object at 0x7ff86fb303f0> = '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /home/runner/work/poetry/poetry/tests/fixtures/simple_project)\n'.startswith

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess_encoding[None-latin-1] AssertionError: assert ((None or 'Errör on stdout')) in '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /home/runner/work/poetry/poetry/tests/fixtures/simple_project)\n' + where '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /home/runner/work/poetry/poetry/tests/fixtures/simple_project)\n' = fetch_output() + where fetch_output = <cleo.io.buffered_io.BufferedIO object at 0x7f3c7ff538f0>.fetch_output

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess[True-exception1-get_requires_for_build] ImportError: cannot import name 'ExceptionTrace' from 'cleo.ui.exception_trace' (/home/runner/.cache/pypoetry/virtualenvs/poetry-a17fJEuR-py3.13/lib/python3.13/site-packages/cleo/ui/exception_trace/__init__.py)

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess[False-exception0-build] AssertionError: assert False + where False = <built-in method startswith of str object at 0x7f3c84173000>('\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /home/runner/work/poetry/poetry/tests/fixtures/simple_project)\n\n IsolatedBuildError\n\n hide the original error\n \n original error\n') + where <built-in method startswith of str object at 0x7f3c84173000> = '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /home/runner/work/poetry/poetry/tests/fixtures/simple_project)\n'.startswith

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess[False-exception0-get_requires_for_build] AssertionError: assert False + where False = <built-in method startswith of str object at 0x7f80759a2c40>('\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /home/runner/work/poetry/poetry/tests/fixtures/simple_project)\n\n IsolatedBuildError\n\n hide the original error\n \n original error\n') + where <built-in method startswith of str object at 0x7f80759a2c40> = '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /home/runner/work/poetry/poetry/tests/fixtures/simple_project)\n'.startswith

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess[True-exception0-build] ImportError: cannot import name 'ExceptionTrace' from 'cleo.ui.exception_trace' (/home/runner/.cache/pypoetry/virtualenvs/poetry-a17fJEuR-py3.13/lib/python3.13/site-packages/cleo/ui/exception_trace/__init__.py)

test_build_backend_errors_are_reported_correctly_if_caused_by_subprocess_encoding[None-utf-8] AssertionError: assert ((None or 'Errör on stdout')) in '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /home/runner/work/poetry/poetry/tests/fixtures/simple_project)\n' + where '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing simple-project (1.2.3 /home/runner/work/poetry/poetry/tests/fixtures/simple_project)\n' = fetch_output() + where fetch_output = <cleo.io.buffered_io.BufferedIO object at 0x7ff86fc22090>.fetch_output

test_execute_should_show_errors AssertionError: assert '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing clikit (0.2.3)\n\n Exception\n\n It failed!\n' in '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing clikit (0.2.3)\n' + where '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing clikit (0.2.3)\n' = fetch_output() + where fetch_output = <cleo.io.buffered_io.BufferedIO object at 0x7ff876b1e0f0>.fetch_output

test_executor_no_supported_hash_types AssertionError: assert 'No usable hash type(s) for demo' in '\nPackage operations: 1 install, 0 updates, 0 removals\n\n - Installing demo (0.1.0 /home/runner/work/poetry/poetry/tests/fixtures/distributions/demo-0.1.0.tar.gz)\n'