cpython/Lib/distutils/tests/test_install.py

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"""Tests for distutils.command.install."""
import os
import os.path
import sys
import unittest
import site
import sysconfig
from sysconfig import (get_scheme_names, _CONFIG_VARS, _INSTALL_SCHEMES,
get_config_var, get_path)
from test.support import captured_stdout
from distutils.command.install import install
from distutils.command import install as install_module
from distutils.core import Distribution
from distutils.errors import DistutilsOptionError
from distutils.tests import support
class InstallTestCase(support.TempdirManager,
support.EnvironGuard,
support.LoggingSilencer,
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"),
)
posix_prefix = _INSTALL_SCHEMES['posix_prefix']
old_posix_prefix = posix_prefix['platinclude']
posix_prefix['platinclude'] = \
'{platbase}/include/python{py_version_short}'
posix_home = _INSTALL_SCHEMES['posix_home']
old_posix_home = posix_home['platinclude']
posix_home['platinclude'] = '{base}/include/python'
try:
cmd = install(dist)
cmd.home = destination
cmd.ensure_finalized()
finally:
posix_home['platinclude'] = old_posix_home
posix_prefix['platinclude'] = old_posix_prefix
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)
def test_user_site(self):
# site.USER_SITE was introduced in 2.6
if sys.version < '2.6':
return
# preparing the environement 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 = _INSTALL_SCHEMES['%s_user' % os.name]
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
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.assertTrue(key in schemes)
dist = Distribution({'name': 'xx'})
cmd = install(dist)
# making sure the user option is there
options = [name for name, short, lable in
cmd.user_options]
self.assertTrue('user' in options)
# setting a value
cmd.user = 1
# user base and site shouldn't be created yet
self.assertTrue(not os.path.exists(self.user_base))
self.assertTrue(not 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.assertTrue('userbase' in cmd.config_vars)
self.assertTrue('usersite' in cmd.config_vars)
def test_handle_extra_path(self):
dist = Distribution({'name': 'xx', 'extra_path': 'path,dirs'})
cmd = install(dist)
# two elements
cmd.handle_extra_path()
self.assertEquals(cmd.extra_path, ['path', 'dirs'])
self.assertEquals(cmd.extra_dirs, 'dirs')
self.assertEquals(cmd.path_file, 'path')
# one element
cmd.extra_path = ['path']
cmd.handle_extra_path()
self.assertEquals(cmd.extra_path, ['path'])
self.assertEquals(cmd.extra_dirs, 'path')
self.assertEquals(cmd.path_file, 'path')
# none
dist.extra_path = cmd.extra_path = None
cmd.handle_extra_path()
self.assertEquals(cmd.extra_path, None)
self.assertEquals(cmd.extra_dirs, '')
self.assertEquals(cmd.path_file, None)
# three elements (no way !)
cmd.extra_path = 'path,dirs,again'
self.assertRaises(DistutilsOptionError, cmd.handle_extra_path)
def test_finalize_options(self):
dist = Distribution({'name': 'xx'})
cmd = install(dist)
# must supply either prefix/exec-prefix/home or
# install-base/install-platbase -- not both
cmd.prefix = 'prefix'
cmd.install_base = 'base'
self.assertRaises(DistutilsOptionError, cmd.finalize_options)
# must supply either home or prefix/exec-prefix -- not both
cmd.install_base = None
cmd.home = 'home'
self.assertRaises(DistutilsOptionError, cmd.finalize_options)
# can't combine user with with prefix/exec_prefix/home or
# install_(plat)base
cmd.prefix = None
cmd.user = 'user'
self.assertRaises(DistutilsOptionError, cmd.finalize_options)
def test_record(self):
install_dir = self.mkdtemp()
pkgdir, dist = self.create_dist()
dist = Distribution()
cmd = install(dist)
dist.command_obj['install'] = cmd
cmd.root = install_dir
cmd.record = os.path.join(pkgdir, 'RECORD')
cmd.ensure_finalized()
cmd.run()
# let's check the RECORD file was created with one
# line (the egg info file)
with open(cmd.record) as f:
self.assertEquals(len(f.readlines()), 1)
def _test_debug_mode(self):
# this covers the code called when DEBUG is set
old_logs_len = len(self.logs)
install_module.DEBUG = True
try:
with captured_stdout() as stdout:
self.test_record()
finally:
install_module.DEBUG = False
self.assertTrue(len(self.logs) > old_logs_len)
def test_suite():
return unittest.makeSuite(InstallTestCase)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")