cpython/Lib/packaging/tests/test_command_install_dist.py

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"""Tests for packaging.command.install."""
import os
import sys
from sysconfig import (get_scheme_names, get_config_vars,
_SCHEMES, get_config_var, get_path)
_CONFIG_VARS = get_config_vars()
from packaging.tests import captured_stdout
from packaging.command.install_dist import install_dist
from packaging.command import install_dist as install_module
from packaging.dist import Distribution
from packaging.errors import PackagingOptionError
from packaging.tests import unittest, support
class InstallTestCase(support.TempdirManager,
support.LoggingCatcher,
unittest.TestCase):
def test_home_installation_scheme(self):
# This ensure two things:
# - that --home generates the desired set of directory names
# - test --home is supported on all platforms
builddir = self.mkdtemp()
destination = os.path.join(builddir, "installation")
dist = Distribution({"name": "foopkg"})
# script_name need not exist, it just need to be initialized
dist.script_name = os.path.join(builddir, "setup.py")
dist.command_obj["build"] = support.DummyCommand(
build_base=builddir,
build_lib=os.path.join(builddir, "lib"),
)
old_posix_prefix = _SCHEMES.get('posix_prefix', 'platinclude')
old_posix_home = _SCHEMES.get('posix_home', 'platinclude')
new_path = '{platbase}/include/python{py_version_short}'
_SCHEMES.set('posix_prefix', 'platinclude', new_path)
_SCHEMES.set('posix_home', 'platinclude', '{platbase}/include/python')
try:
cmd = install_dist(dist)
cmd.home = destination
cmd.ensure_finalized()
finally:
_SCHEMES.set('posix_prefix', 'platinclude', old_posix_prefix)
_SCHEMES.set('posix_home', 'platinclude', old_posix_home)
self.assertEqual(cmd.install_base, destination)
self.assertEqual(cmd.install_platbase, destination)
def check_path(got, expected):
got = os.path.normpath(got)
expected = os.path.normpath(expected)
self.assertEqual(got, expected)
libdir = os.path.join(destination, "lib", "python")
check_path(cmd.install_lib, libdir)
check_path(cmd.install_platlib, libdir)
check_path(cmd.install_purelib, libdir)
check_path(cmd.install_headers,
os.path.join(destination, "include", "python", "foopkg"))
check_path(cmd.install_scripts, os.path.join(destination, "bin"))
check_path(cmd.install_data, destination)
@unittest.skipIf(sys.version < '2.6', 'requires Python 2.6 or higher')
def test_user_site(self):
# test install with --user
# preparing the environment for the test
self.old_user_base = get_config_var('userbase')
self.old_user_site = get_path('purelib', '%s_user' % os.name)
self.tmpdir = self.mkdtemp()
self.user_base = os.path.join(self.tmpdir, 'B')
self.user_site = os.path.join(self.tmpdir, 'S')
_CONFIG_VARS['userbase'] = self.user_base
scheme = '%s_user' % os.name
_SCHEMES.set(scheme, 'purelib', self.user_site)
def _expanduser(path):
if path[0] == '~':
path = os.path.normpath(self.tmpdir) + path[1:]
return path
self.old_expand = os.path.expanduser
os.path.expanduser = _expanduser
try:
# this is the actual test
self._test_user_site()
finally:
_CONFIG_VARS['userbase'] = self.old_user_base
_SCHEMES.set(scheme, 'purelib', self.old_user_site)
os.path.expanduser = self.old_expand
def _test_user_site(self):
schemes = get_scheme_names()
for key in ('nt_user', 'posix_user', 'os2_home'):
self.assertIn(key, schemes)
dist = Distribution({'name': 'xx'})
cmd = install_dist(dist)
# making sure the user option is there
options = [name for name, short, lable in
cmd.user_options]
self.assertIn('user', options)
# setting a value
cmd.user = True
# user base and site shouldn't be created yet
self.assertFalse(os.path.exists(self.user_base))
self.assertFalse(os.path.exists(self.user_site))
# let's run finalize
cmd.ensure_finalized()
# now they should
self.assertTrue(os.path.exists(self.user_base))
self.assertTrue(os.path.exists(self.user_site))
self.assertIn('userbase', cmd.config_vars)
self.assertIn('usersite', cmd.config_vars)
def test_handle_extra_path(self):
dist = Distribution({'name': 'xx', 'extra_path': 'path,dirs'})
cmd = install_dist(dist)
# two elements
cmd.handle_extra_path()
self.assertEqual(cmd.extra_path, ['path', 'dirs'])
self.assertEqual(cmd.extra_dirs, 'dirs')
self.assertEqual(cmd.path_file, 'path')
# one element
cmd.extra_path = ['path']
cmd.handle_extra_path()
self.assertEqual(cmd.extra_path, ['path'])
self.assertEqual(cmd.extra_dirs, 'path')
self.assertEqual(cmd.path_file, 'path')
# none
dist.extra_path = cmd.extra_path = None
cmd.handle_extra_path()
self.assertEqual(cmd.extra_path, None)
self.assertEqual(cmd.extra_dirs, '')
self.assertEqual(cmd.path_file, None)
# three elements (no way !)
cmd.extra_path = 'path,dirs,again'
self.assertRaises(PackagingOptionError, cmd.handle_extra_path)
def test_finalize_options(self):
dist = Distribution({'name': 'xx'})
cmd = install_dist(dist)
# must supply either prefix/exec-prefix/home or
# install-base/install-platbase -- not both
cmd.prefix = 'prefix'
cmd.install_base = 'base'
self.assertRaises(PackagingOptionError, cmd.finalize_options)
# must supply either home or prefix/exec-prefix -- not both
cmd.install_base = None
cmd.home = 'home'
self.assertRaises(PackagingOptionError, cmd.finalize_options)
if sys.version >= '2.6':
# can't combine user with with prefix/exec_prefix/home or
# install_(plat)base
cmd.prefix = None
cmd.user = 'user'
self.assertRaises(PackagingOptionError, cmd.finalize_options)
def test_old_record(self):
# test pre-PEP 376 --record option (outside dist-info dir)
install_dir = self.mkdtemp()
pkgdir, dist = self.create_dist()
dist = Distribution()
cmd = install_dist(dist)
dist.command_obj['install_dist'] = cmd
cmd.root = install_dir
cmd.record = os.path.join(pkgdir, 'filelist')
cmd.ensure_finalized()
cmd.run()
# let's check the record file was created with four
# lines, one for each .dist-info entry: METADATA,
# INSTALLER, REQUSTED, RECORD
with open(cmd.record) as f:
self.assertEqual(len(f.readlines()), 4)
# XXX test that fancy_getopt is okay with options named
# record and no-record but unrelated
def test_suite():
return unittest.makeSuite(InstallTestCase)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")