"""Tests for distutils.dist.""" import os import io import sys import unittest import warnings import textwrap from unittest import mock from distutils.dist import Distribution, fix_help_options, DistributionMetadata from distutils.cmd import Command from test.support import TESTFN, captured_stdout, run_unittest from distutils.tests import support class test_dist(Command): """Sample distutils extension command.""" user_options = [ ("sample-option=", "S", "help text"), ] def initialize_options(self): self.sample_option = None class TestDistribution(Distribution): """Distribution subclasses that avoids the default search for configuration files. The ._config_files attribute must be set before .parse_config_files() is called. """ def find_config_files(self): return self._config_files class DistributionTestCase(support.LoggingSilencer, support.EnvironGuard, unittest.TestCase): def setUp(self): super(DistributionTestCase, self).setUp() self.argv = sys.argv, sys.argv[:] del sys.argv[1:] def tearDown(self): sys.argv = self.argv[0] sys.argv[:] = self.argv[1] super(DistributionTestCase, self).tearDown() def create_distribution(self, configfiles=()): d = TestDistribution() d._config_files = configfiles d.parse_config_files() d.parse_command_line() return d def test_command_packages_unspecified(self): sys.argv.append("build") d = self.create_distribution() self.assertEqual(d.get_command_packages(), ["distutils.command"]) def test_command_packages_cmdline(self): from distutils.tests.test_dist import test_dist sys.argv.extend(["--command-packages", "foo.bar,distutils.tests", "test_dist", "-Ssometext", ]) d = self.create_distribution() # let's actually try to load our test command: self.assertEqual(d.get_command_packages(), ["distutils.command", "foo.bar", "distutils.tests"]) cmd = d.get_command_obj("test_dist") self.assertIsInstance(cmd, test_dist) self.assertEqual(cmd.sample_option, "sometext") def test_venv_install_options(self): sys.argv.append("install") self.addCleanup(os.unlink, TESTFN) fakepath = '/somedir' with open(TESTFN, "w") as f: print(("[install]\n" "install-base = {0}\n" "install-platbase = {0}\n" "install-lib = {0}\n" "install-platlib = {0}\n" "install-purelib = {0}\n" "install-headers = {0}\n" "install-scripts = {0}\n" "install-data = {0}\n" "prefix = {0}\n" "exec-prefix = {0}\n" "home = {0}\n" "user = {0}\n" "root = {0}").format(fakepath), file=f) # Base case: Not in a Virtual Environment with mock.patch.multiple(sys, prefix='/a', base_prefix='/a') as values: d = self.create_distribution([TESTFN]) option_tuple = (TESTFN, fakepath) result_dict = { 'install_base': option_tuple, 'install_platbase': option_tuple, 'install_lib': option_tuple, 'install_platlib': option_tuple, 'install_purelib': option_tuple, 'install_headers': option_tuple, 'install_scripts': option_tuple, 'install_data': option_tuple, 'prefix': option_tuple, 'exec_prefix': option_tuple, 'home': option_tuple, 'user': option_tuple, 'root': option_tuple, } self.assertEqual( sorted(d.command_options.get('install').keys()), sorted(result_dict.keys())) for (key, value) in d.command_options.get('install').items(): self.assertEqual(value, result_dict[key]) # Test case: In a Virtual Environment with mock.patch.multiple(sys, prefix='/a', base_prefix='/b') as values: d = self.create_distribution([TESTFN]) for key in result_dict.keys(): self.assertNotIn(key, d.command_options.get('install', {})) def test_command_packages_configfile(self): sys.argv.append("build") self.addCleanup(os.unlink, TESTFN) f = open(TESTFN, "w") try: print("[global]", file=f) print("command_packages = foo.bar, splat", file=f) finally: f.close() d = self.create_distribution([TESTFN]) self.assertEqual(d.get_command_packages(), ["distutils.command", "foo.bar", "splat"]) # ensure command line overrides config: sys.argv[1:] = ["--command-packages", "spork", "build"] d = self.create_distribution([TESTFN]) self.assertEqual(d.get_command_packages(), ["distutils.command", "spork"]) # Setting --command-packages to '' should cause the default to # be used even if a config file specified something else: sys.argv[1:] = ["--command-packages", "", "build"] d = self.create_distribution([TESTFN]) self.assertEqual(d.get_command_packages(), ["distutils.command"]) def test_empty_options(self): # an empty options dictionary should not stay in the # list of attributes # catching warnings warns = [] def _warn(msg): warns.append(msg) self.addCleanup(setattr, warnings, 'warn', warnings.warn) warnings.warn = _warn dist = Distribution(attrs={'author': 'xxx', 'name': 'xxx', 'version': 'xxx', 'url': 'xxxx', 'options': {}}) self.assertEqual(len(warns), 0) self.assertNotIn('options', dir(dist)) def test_finalize_options(self): attrs = {'keywords': 'one,two', 'platforms': 'one,two'} dist = Distribution(attrs=attrs) dist.finalize_options() # finalize_option splits platforms and keywords self.assertEqual(dist.metadata.platforms, ['one', 'two']) self.assertEqual(dist.metadata.keywords, ['one', 'two']) def test_get_command_packages(self): dist = Distribution() self.assertEqual(dist.command_packages, None) cmds = dist.get_command_packages() self.assertEqual(cmds, ['distutils.command']) self.assertEqual(dist.command_packages, ['distutils.command']) dist.command_packages = 'one,two' cmds = dist.get_command_packages() self.assertEqual(cmds, ['distutils.command', 'one', 'two']) def test_announce(self): # make sure the level is known dist = Distribution() args = ('ok',) kwargs = {'level': 'ok2'} self.assertRaises(ValueError, dist.announce, args, kwargs) class MetadataTestCase(support.TempdirManager, support.EnvironGuard, unittest.TestCase): def setUp(self): super(MetadataTestCase, self).setUp() self.argv = sys.argv, sys.argv[:] def tearDown(self): sys.argv = self.argv[0] sys.argv[:] = self.argv[1] super(MetadataTestCase, self).tearDown() def format_metadata(self, dist): sio = io.StringIO() dist.metadata.write_pkg_file(sio) return sio.getvalue() def test_simple_metadata(self): attrs = {"name": "package", "version": "1.0"} dist = Distribution(attrs) meta = self.format_metadata(dist) self.assertIn("Metadata-Version: 1.0", meta) self.assertNotIn("provides:", meta.lower()) self.assertNotIn("requires:", meta.lower()) self.assertNotIn("obsoletes:", meta.lower()) def test_provides(self): attrs = {"name": "package", "version": "1.0", "provides": ["package", "package.sub"]} dist = Distribution(attrs) self.assertEqual(dist.metadata.get_provides(), ["package", "package.sub"]) self.assertEqual(dist.get_provides(), ["package", "package.sub"]) meta = self.format_metadata(dist) self.assertIn("Metadata-Version: 1.1", meta) self.assertNotIn("requires:", meta.lower()) self.assertNotIn("obsoletes:", meta.lower()) def test_provides_illegal(self): self.assertRaises(ValueError, Distribution, {"name": "package", "version": "1.0", "provides": ["my.pkg (splat)"]}) def test_requires(self): attrs = {"name": "package", "version": "1.0", "requires": ["other", "another (==1.0)"]} dist = Distribution(attrs) self.assertEqual(dist.metadata.get_requires(), ["other", "another (==1.0)"]) self.assertEqual(dist.get_requires(), ["other", "another (==1.0)"]) meta = self.format_metadata(dist) self.assertIn("Metadata-Version: 1.1", meta) self.assertNotIn("provides:", meta.lower()) self.assertIn("Requires: other", meta) self.assertIn("Requires: another (==1.0)", meta) self.assertNotIn("obsoletes:", meta.lower()) def test_requires_illegal(self): self.assertRaises(ValueError, Distribution, {"name": "package", "version": "1.0", "requires": ["my.pkg (splat)"]}) def test_obsoletes(self): attrs = {"name": "package", "version": "1.0", "obsoletes": ["other", "another (<1.0)"]} dist = Distribution(attrs) self.assertEqual(dist.metadata.get_obsoletes(), ["other", "another (<1.0)"]) self.assertEqual(dist.get_obsoletes(), ["other", "another (<1.0)"]) meta = self.format_metadata(dist) self.assertIn("Metadata-Version: 1.1", meta) self.assertNotIn("provides:", meta.lower()) self.assertNotIn("requires:", meta.lower()) self.assertIn("Obsoletes: other", meta) self.assertIn("Obsoletes: another (<1.0)", meta) def test_obsoletes_illegal(self): self.assertRaises(ValueError, Distribution, {"name": "package", "version": "1.0", "obsoletes": ["my.pkg (splat)"]}) def test_classifier(self): attrs = {'name': 'Boa', 'version': '3.0', 'classifiers': ['Programming Language :: Python :: 3']} dist = Distribution(attrs) meta = self.format_metadata(dist) self.assertIn('Metadata-Version: 1.1', meta) def test_download_url(self): attrs = {'name': 'Boa', 'version': '3.0', 'download_url': 'http://example.org/boa'} dist = Distribution(attrs) meta = self.format_metadata(dist) self.assertIn('Metadata-Version: 1.1', meta) def test_long_description(self): long_desc = textwrap.dedent("""\ example:: We start here and continue here and end here.""") attrs = {"name": "package", "version": "1.0", "long_description": long_desc} dist = Distribution(attrs) meta = self.format_metadata(dist) meta = meta.replace('\n' + 8 * ' ', '\n') self.assertIn(long_desc, meta) def test_custom_pydistutils(self): # fixes #2166 # make sure pydistutils.cfg is found if os.name == 'posix': user_filename = ".pydistutils.cfg" else: user_filename = "pydistutils.cfg" temp_dir = self.mkdtemp() user_filename = os.path.join(temp_dir, user_filename) f = open(user_filename, 'w') try: f.write('.') finally: f.close() try: dist = Distribution() # linux-style if sys.platform in ('linux', 'darwin'): os.environ['HOME'] = temp_dir files = dist.find_config_files() self.assertIn(user_filename, files) # win32-style if sys.platform == 'win32': # home drive should be found os.environ['HOME'] = temp_dir files = dist.find_config_files() self.assertIn(user_filename, files, '%r not found in %r' % (user_filename, files)) finally: os.remove(user_filename) def test_fix_help_options(self): help_tuples = [('a', 'b', 'c', 'd'), (1, 2, 3, 4)] fancy_options = fix_help_options(help_tuples) self.assertEqual(fancy_options[0], ('a', 'b', 'c')) self.assertEqual(fancy_options[1], (1, 2, 3)) def test_show_help(self): # smoke test, just makes sure some help is displayed dist = Distribution() sys.argv = [] dist.help = 1 dist.script_name = 'setup.py' with captured_stdout() as s: dist.parse_command_line() output = [line for line in s.getvalue().split('\n') if line.strip() != ''] self.assertTrue(output) def test_read_metadata(self): attrs = {"name": "package", "version": "1.0", "long_description": "desc", "description": "xxx", "download_url": "http://example.com", "keywords": ['one', 'two'], "requires": ['foo']} dist = Distribution(attrs) metadata = dist.metadata # write it then reloads it PKG_INFO = io.StringIO() metadata.write_pkg_file(PKG_INFO) PKG_INFO.seek(0) metadata.read_pkg_file(PKG_INFO) self.assertEquals(metadata.name, "package") self.assertEquals(metadata.version, "1.0") self.assertEquals(metadata.description, "xxx") self.assertEquals(metadata.download_url, 'http://example.com') self.assertEquals(metadata.keywords, ['one', 'two']) self.assertEquals(metadata.platforms, ['UNKNOWN']) self.assertEquals(metadata.obsoletes, None) self.assertEquals(metadata.requires, ['foo']) def test_suite(): suite = unittest.TestSuite() suite.addTest(unittest.makeSuite(DistributionTestCase)) suite.addTest(unittest.makeSuite(MetadataTestCase)) return suite if __name__ == "__main__": run_unittest(test_suite())