cpython/Lib/packaging/tests/test_command_install_data.py

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"""Tests for packaging.command.install_data."""
import os
import sys
import sysconfig
import packaging.database
from sysconfig import _get_default_scheme
from packaging.tests import unittest, support
from packaging.command.install_data import install_data
from packaging.command.install_dist import install_dist
from packaging.command.install_distinfo import install_distinfo
class InstallDataTestCase(support.TempdirManager,
support.LoggingCatcher,
unittest.TestCase):
def setUp(self):
super(InstallDataTestCase, self).setUp()
scheme = _get_default_scheme()
old_items = sysconfig._SCHEMES.items(scheme)
def restore():
sysconfig._SCHEMES.remove_section(scheme)
sysconfig._SCHEMES.add_section(scheme)
for option, value in old_items:
sysconfig._SCHEMES.set(scheme, option, value)
self.addCleanup(restore)
def test_simple_run(self):
pkg_dir, dist = self.create_dist()
cmd = install_data(dist)
cmd.install_dir = inst = os.path.join(pkg_dir, 'inst')
scheme = _get_default_scheme()
sysconfig._SCHEMES.set(scheme, 'inst',
os.path.join(pkg_dir, 'inst'))
sysconfig._SCHEMES.set(scheme, 'inst2',
os.path.join(pkg_dir, 'inst2'))
one = os.path.join(pkg_dir, 'one')
self.write_file(one, 'xxx')
inst2 = os.path.join(pkg_dir, 'inst2')
two = os.path.join(pkg_dir, 'two')
self.write_file(two, 'xxx')
# FIXME this creates a literal \{inst2\} directory!
cmd.data_files = {one: '{inst}/one', two: '{inst2}/two'}
self.assertCountEqual(cmd.get_inputs(), [one, two])
# let's run the command
cmd.ensure_finalized()
cmd.run()
# let's check the result
self.assertEqual(len(cmd.get_outputs()), 2)
rtwo = os.path.split(two)[-1]
self.assertTrue(os.path.exists(os.path.join(inst2, rtwo)))
rone = os.path.split(one)[-1]
self.assertTrue(os.path.exists(os.path.join(inst, rone)))
cmd.outfiles = []
# let's try with warn_dir one
cmd.warn_dir = True
cmd.ensure_finalized()
cmd.run()
# let's check the result
self.assertEqual(len(cmd.get_outputs()), 2)
self.assertTrue(os.path.exists(os.path.join(inst2, rtwo)))
self.assertTrue(os.path.exists(os.path.join(inst, rone)))
cmd.outfiles = []
# now using root and empty dir
cmd.root = os.path.join(pkg_dir, 'root')
three = os.path.join(cmd.install_dir, 'three')
self.write_file(three, 'xx')
sysconfig._SCHEMES.set(scheme, 'inst3', cmd.install_dir)
cmd.data_files = {one: '{inst}/one', two: '{inst2}/two',
three: '{inst3}/three'}
cmd.ensure_finalized()
cmd.run()
# let's check the result
self.assertEqual(len(cmd.get_outputs()), 3)
self.assertTrue(os.path.exists(os.path.join(inst2, rtwo)))
self.assertTrue(os.path.exists(os.path.join(inst, rone)))
def test_resources(self):
install_dir = self.mkdtemp()
scripts_dir = self.mkdtemp()
project_dir, dist = self.create_dist(
name='Spamlib', version='0.1',
data_files={'spamd': '{scripts}/spamd'})
os.chdir(project_dir)
self.write_file('spamd', '# Python script')
sysconfig._SCHEMES.set(_get_default_scheme(), 'scripts', scripts_dir)
sys.path.insert(0, install_dir)
packaging.database.disable_cache()
self.addCleanup(sys.path.remove, install_dir)
self.addCleanup(packaging.database.enable_cache)
cmd = install_dist(dist)
cmd.outputs = ['spamd']
cmd.install_lib = install_dir
dist.command_obj['install_dist'] = cmd
cmd = install_data(dist)
cmd.install_dir = install_dir
cmd.ensure_finalized()
dist.command_obj['install_data'] = cmd
cmd.run()
cmd = install_distinfo(dist)
cmd.ensure_finalized()
dist.command_obj['install_distinfo'] = cmd
cmd.run()
# first a few sanity checks
self.assertEqual(os.listdir(scripts_dir), ['spamd'])
self.assertEqual(os.listdir(install_dir), ['Spamlib-0.1.dist-info'])
# now the real test
fn = os.path.join(install_dir, 'Spamlib-0.1.dist-info', 'RESOURCES')
with open(fn, encoding='utf-8') as fp:
content = fp.read().strip()
expected = 'spamd,%s' % os.path.join(scripts_dir, 'spamd')
self.assertEqual(content, expected)
# just to be sure, we also test that get_file works here, even though
# packaging.database has its own test file
with packaging.database.get_file('Spamlib', 'spamd') as fp:
content = fp.read()
self.assertEqual('# Python script', content)
def test_suite():
return unittest.makeSuite(InstallDataTestCase)
if __name__ == "__main__":
unittest.main(defaultTest="test_suite")