pyproject-rpm-macros/test_pyproject_buildrequires.py

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from pathlib import Path
import importlib.metadata
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import io
import pytest
import yaml
from pyproject_buildrequires import generate_requires
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testcases = {}
with Path(__file__).parent.joinpath('pyproject_buildrequires_testcases.yaml').open() as f:
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testcases = yaml.safe_load(f)
@pytest.mark.parametrize('case_name', testcases)
def test_data(case_name, capsys, tmp_path, monkeypatch):
case = testcases[case_name]
cwd = tmp_path.joinpath('cwd')
cwd.mkdir()
monkeypatch.chdir(cwd)
if case.get('xfail'):
pytest.xfail(case.get('xfail'))
for filename in 'pyproject.toml', 'setup.py', 'tox.ini':
if filename in case:
cwd.joinpath(filename).write_text(case[filename])
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def get_installed_version(dist_name):
try:
return str(case['installed'][dist_name])
except (KeyError, TypeError):
raise importlib.metadata.PackageNotFoundError(
f'info not found for {dist_name}'
)
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try:
generate_requires(
get_installed_version=get_installed_version,
include_runtime=case.get('include_runtime', False),
extras=case.get('extras', []),
toxenv=case.get('toxenv', None),
generate_extras=case.get('generate_extras', False),
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)
except SystemExit as e:
assert e.code == case['result']
except Exception as e:
if 'except' not in case:
raise
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assert type(e).__name__ == case['except']
else:
assert 0 == case['result']
captured = capsys.readouterr()
assert captured.out == case['expected']