"""Tests for distutils.core."""
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import distutils.core
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import io
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import os
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import sys
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from distutils.dist import Distribution
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import pytest
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# setup script that uses __file__
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setup_using___file__ = """\
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__file__
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from distutils.core import setup
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setup()
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"""
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setup_prints_cwd = """\
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import os
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print(os.getcwd())
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from distutils.core import setup
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setup()
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"""
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setup_does_nothing = """\
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from distutils.core import setup
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setup()
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"""
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setup_defines_subclass = """\
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from distutils.core import setup
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from distutils.command.install import install as _install
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class install(_install):
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sub_commands = _install.sub_commands + ['cmd']
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setup(cmdclass={'install': install})
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"""
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setup_within_if_main = """\
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from distutils.core import setup
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def main():
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return setup(name="setup_within_if_main")
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if __name__ == "__main__":
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main()
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"""
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@pytest.fixture(autouse=True)
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def save_stdout(monkeypatch):
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monkeypatch.setattr(sys, 'stdout', sys.stdout)
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@pytest.fixture
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def temp_file(tmp_path):
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return tmp_path / 'file'
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@pytest.mark.usefixtures('save_env')
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@pytest.mark.usefixtures('save_argv')
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class TestCore:
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def test_run_setup_provides_file(self, temp_file):
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# Make sure the script can use __file__; if that's missing, the test
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# setup.py script will raise NameError.
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temp_file.write_text(setup_using___file__, encoding='utf-8')
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distutils.core.run_setup(temp_file)
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def test_run_setup_preserves_sys_argv(self, temp_file):
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# Make sure run_setup does not clobber sys.argv
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argv_copy = sys.argv.copy()
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temp_file.write_text(setup_does_nothing, encoding='utf-8')
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distutils.core.run_setup(temp_file)
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assert sys.argv == argv_copy
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def test_run_setup_defines_subclass(self, temp_file):
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# Make sure the script can use __file__; if that's missing, the test
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# setup.py script will raise NameError.
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temp_file.write_text(setup_defines_subclass, encoding='utf-8')
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dist = distutils.core.run_setup(temp_file)
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install = dist.get_command_obj('install')
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assert 'cmd' in install.sub_commands
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def test_run_setup_uses_current_dir(self, tmp_path):
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"""
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Test that the setup script is run with the current directory
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as its own current directory.
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"""
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sys.stdout = io.StringIO()
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cwd = os.getcwd()
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# Create a directory and write the setup.py file there:
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setup_py = tmp_path / 'setup.py'
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setup_py.write_text(setup_prints_cwd, encoding='utf-8')
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distutils.core.run_setup(setup_py)
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output = sys.stdout.getvalue()
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if output.endswith("\n"):
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output = output[:-1]
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assert cwd == output
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def test_run_setup_within_if_main(self, temp_file):
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temp_file.write_text(setup_within_if_main, encoding='utf-8')
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dist = distutils.core.run_setup(temp_file, stop_after="config")
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assert isinstance(dist, Distribution)
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assert dist.get_name() == "setup_within_if_main"
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def test_run_commands(self, temp_file):
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sys.argv = ['setup.py', 'build']
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temp_file.write_text(setup_within_if_main, encoding='utf-8')
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dist = distutils.core.run_setup(temp_file, stop_after="commandline")
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assert 'build' not in dist.have_run
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distutils.core.run_commands(dist)
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assert 'build' in dist.have_run
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def test_debug_mode(self, capsys, monkeypatch):
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# this covers the code called when DEBUG is set
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sys.argv = ['setup.py', '--name']
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distutils.core.setup(name='bar')
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assert capsys.readouterr().out == 'bar\n'
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monkeypatch.setattr(distutils.core, 'DEBUG', True)
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distutils.core.setup(name='bar')
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wanted = "options (after parsing config files):\n"
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assert capsys.readouterr().out.startswith(wanted)
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