94 lines
3.1 KiB
Python
94 lines
3.1 KiB
Python
from pathlib import Path
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import importlib.metadata
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import pytest
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import yaml
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from pyproject_buildrequires import generate_requires
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testcases = {}
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with Path(__file__).parent.joinpath('pyproject_buildrequires_testcases.yaml').open() as f:
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testcases = yaml.safe_load(f)
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@pytest.mark.parametrize('case_name', testcases)
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def test_data(case_name, capfd, tmp_path, monkeypatch):
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case = testcases[case_name]
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cwd = tmp_path.joinpath('cwd')
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cwd.mkdir()
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monkeypatch.chdir(cwd)
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wheeldir = cwd.joinpath('wheeldir')
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wheeldir.mkdir()
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output = tmp_path.joinpath('output.txt')
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if case.get('xfail'):
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pytest.xfail(case.get('xfail'))
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for filename in case:
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file_types = ('.toml', '.py', '.in', '.ini', '.txt')
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if filename.endswith(file_types):
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cwd.joinpath(filename).write_text(case[filename])
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for name, value in case.get('environ', {}).items():
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monkeypatch.setenv(name, value)
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def get_installed_version(dist_name):
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try:
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return str(case['installed'][dist_name])
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except (KeyError, TypeError):
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raise importlib.metadata.PackageNotFoundError(
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f'info not found for {dist_name}'
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)
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requirement_files = case.get('requirement_files', [])
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requirement_files = [open(f) for f in requirement_files]
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use_build_system = case.get('use_build_system', True)
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try:
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generate_requires(
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get_installed_version=get_installed_version,
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include_runtime=case.get('include_runtime', use_build_system),
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build_wheel=case.get('build_wheel', False),
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wheeldir=str(wheeldir),
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extras=case.get('extras', []),
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toxenv=case.get('toxenv', None),
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generate_extras=case.get('generate_extras', False),
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requirement_files=requirement_files,
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use_build_system=use_build_system,
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output=output,
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)
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except SystemExit as e:
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assert e.code == case['result']
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except Exception as e:
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if 'except' not in case:
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raise
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assert type(e).__name__ == case['except']
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else:
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assert 0 == case['result']
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# this prevents us from accidentally writing "empty" tests
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# if we ever need to do that, we can remove the check or change it:
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assert 'expected' in case or 'stderr_contains' in case
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out, err = capfd.readouterr()
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dependencies = output.read_text()
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if 'expected' in case:
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expected = case['expected']
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if isinstance(expected, list):
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# at least one of them needs to match
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assert dependencies in expected
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else:
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assert dependencies == expected
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# stderr_contains may be a string or list of strings
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stderr_contains = case.get('stderr_contains')
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if stderr_contains is not None:
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if isinstance(stderr_contains, str):
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stderr_contains = [stderr_contains]
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for expected_substring in stderr_contains:
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assert expected_substring.format(**locals()) in err
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finally:
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for req in requirement_files:
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req.close()
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