mirror of https://github.com/pypa/pip
131 lines
4.5 KiB
Python
131 lines
4.5 KiB
Python
"""
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locations.py tests
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"""
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import getpass
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import os
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import shutil
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import sys
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import tempfile
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import pytest
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from mock import Mock
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from pip._internal.locations import distutils_scheme
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if sys.platform == 'win32':
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pwd = Mock()
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else:
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import pwd
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class TestLocations:
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def setup(self):
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self.tempdir = tempfile.mkdtemp()
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self.st_uid = 9999
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self.username = "example"
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self.patch()
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def teardown(self):
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self.revert_patch()
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shutil.rmtree(self.tempdir, ignore_errors=True)
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def patch(self):
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""" first store and then patch python methods pythons """
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self.tempfile_gettempdir = tempfile.gettempdir
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self.old_os_fstat = os.fstat
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if sys.platform != 'win32':
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# os.geteuid and pwd.getpwuid are not implemented on windows
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self.old_os_geteuid = os.geteuid
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self.old_pwd_getpwuid = pwd.getpwuid
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self.old_getpass_getuser = getpass.getuser
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# now patch
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tempfile.gettempdir = lambda: self.tempdir
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getpass.getuser = lambda: self.username
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os.geteuid = lambda: self.st_uid
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os.fstat = lambda fd: self.get_mock_fstat(fd)
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if sys.platform != 'win32':
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pwd.getpwuid = lambda uid: self.get_mock_getpwuid(uid)
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def revert_patch(self):
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""" revert the patches to python methods """
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tempfile.gettempdir = self.tempfile_gettempdir
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getpass.getuser = self.old_getpass_getuser
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if sys.platform != 'win32':
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# os.geteuid and pwd.getpwuid are not implemented on windows
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os.geteuid = self.old_os_geteuid
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pwd.getpwuid = self.old_pwd_getpwuid
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os.fstat = self.old_os_fstat
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def get_mock_fstat(self, fd):
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""" returns a basic mock fstat call result.
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Currently only the st_uid attribute has been set.
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"""
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result = Mock()
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result.st_uid = self.st_uid
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return result
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def get_mock_getpwuid(self, uid):
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""" returns a basic mock pwd.getpwuid call result.
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Currently only the pw_name attribute has been set.
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"""
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result = Mock()
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result.pw_name = self.username
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return result
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class TestDisutilsScheme:
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def test_root_modifies_appropriately(self, monkeypatch):
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# This deals with nt/posix path differences
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# root is c:\somewhere\else or /somewhere/else
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root = os.path.normcase(os.path.abspath(
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os.path.join(os.path.sep, 'somewhere', 'else')))
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norm_scheme = distutils_scheme("example")
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root_scheme = distutils_scheme("example", root=root)
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for key, value in norm_scheme.items():
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drive, path = os.path.splitdrive(os.path.abspath(value))
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expected = os.path.join(root, path[1:])
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assert os.path.abspath(root_scheme[key]) == expected
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@pytest.mark.incompatible_with_venv
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def test_distutils_config_file_read(self, tmpdir, monkeypatch):
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# This deals with nt/posix path differences
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install_scripts = os.path.normcase(os.path.abspath(
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os.path.join(os.path.sep, 'somewhere', 'else')))
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f = tmpdir.mkdir("config").joinpath("setup.cfg")
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f.write_text("[install]\ninstall-scripts=" + install_scripts)
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from distutils.dist import Distribution
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# patch the function that returns what config files are present
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monkeypatch.setattr(
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Distribution,
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'find_config_files',
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lambda self: [f],
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)
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scheme = distutils_scheme('example')
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assert scheme['scripts'] == install_scripts
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@pytest.mark.incompatible_with_venv
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# when we request install-lib, we should install everything (.py &
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# .so) into that path; i.e. ensure platlib & purelib are set to
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# this path
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def test_install_lib_takes_precedence(self, tmpdir, monkeypatch):
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# This deals with nt/posix path differences
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install_lib = os.path.normcase(os.path.abspath(
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os.path.join(os.path.sep, 'somewhere', 'else')))
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f = tmpdir.mkdir("config").joinpath("setup.cfg")
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f.write_text("[install]\ninstall-lib=" + install_lib)
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from distutils.dist import Distribution
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# patch the function that returns what config files are present
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monkeypatch.setattr(
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Distribution,
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'find_config_files',
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lambda self: [f],
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)
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scheme = distutils_scheme('example')
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assert scheme['platlib'] == install_lib + os.path.sep
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assert scheme['purelib'] == install_lib + os.path.sep
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