# -*- coding: utf8 -*- """Tests for distutils.dist.""" import os import io import sys import unittest import warnings from distutils.dist import Distribution, fix_help_options from distutils.cmd import Command import distutils.dist from test.support import TESTFN, captured_stdout 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.TempdirManager, 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_debug_mode(self): with open(TESTFN, "w") as f: f.write("[global]") f.write("command_packages = foo.bar, splat") files = [TESTFN] sys.argv.append("build") with captured_stdout() as stdout: self.create_distribution(files) stdout.seek(0) self.assertEquals(stdout.read(), '') distutils.dist.DEBUG = True try: with captured_stdout() as stdout: self.create_distribution(files) stdout.seek(0) self.assertEquals(stdout.read(), '') finally: distutils.dist.DEBUG = False 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.assertTrue(isinstance(cmd, test_dist)) self.assertEqual(cmd.sample_option, "sometext") def test_command_packages_configfile(self): sys.argv.append("build") f = open(TESTFN, "w") try: print("[global]", file=f) print("command_packages = foo.bar, splat", file=f) 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"]) finally: os.unlink(TESTFN) def test_empty_options(self): # an empty options dictionary should not stay in the # list of attributes klass = Distribution # catching warnings warns = [] def _warn(msg): warns.append(msg) old_warn = warnings.warn warnings.warn = _warn try: dist = klass(attrs={'author': 'xxx', 'name': 'xxx', 'version': 'xxx', 'url': 'xxxx', 'options': {}}) finally: warnings.warn = old_warn self.assertEquals(len(warns), 0) 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.assertEquals(dist.metadata.platforms, ['one', 'two']) self.assertEquals(dist.metadata.keywords, ['one', 'two']) def test_get_command_packages(self): dist = Distribution() self.assertEquals(dist.command_packages, None) cmds = dist.get_command_packages() self.assertEquals(cmds, ['distutils.command']) self.assertEquals(dist.command_packages, ['distutils.command']) dist.command_packages = 'one,two' cmds = dist.get_command_packages() self.assertEquals(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) def test_find_config_files_disable(self): # Ticket #1180: Allow user to disable their home config file. temp_home = self.mkdtemp() if os.name == 'posix': user_filename = os.path.join(temp_home, ".pydistutils.cfg") else: user_filename = os.path.join(temp_home, "pydistutils.cfg") with open(user_filename, 'w') as f: f.write('[distutils]\n') def _expander(path): return temp_home old_expander = os.path.expanduser os.path.expanduser = _expander try: d = distutils.dist.Distribution() all_files = d.find_config_files() d = distutils.dist.Distribution(attrs={'script_args': ['--no-user-cfg']}) files = d.find_config_files() finally: os.path.expanduser = old_expander # make sure --no-user-cfg disables the user cfg file self.assertEquals(len(all_files)-1, len(files)) 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 test_simple_metadata(self): attrs = {"name": "package", "version": "1.0"} dist = Distribution(attrs) meta = self.format_metadata(dist) self.assertTrue("Metadata-Version: 1.0" in meta) self.assertTrue("provides:" not in meta.lower()) self.assertTrue("requires:" not in meta.lower()) self.assertTrue("obsoletes:" not in 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.assertTrue("Metadata-Version: 1.1" in meta) self.assertTrue("requires:" not in meta.lower()) self.assertTrue("obsoletes:" not in 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.assertTrue("Metadata-Version: 1.1" in meta) self.assertTrue("provides:" not in meta.lower()) self.assertTrue("Requires: other" in meta) self.assertTrue("Requires: another (==1.0)" in meta) self.assertTrue("obsoletes:" not in 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.assertTrue("Metadata-Version: 1.1" in meta) self.assertTrue("provides:" not in meta.lower()) self.assertTrue("requires:" not in meta.lower()) self.assertTrue("Obsoletes: other" in meta) self.assertTrue("Obsoletes: another (<1.0)" in meta) def test_obsoletes_illegal(self): self.assertRaises(ValueError, Distribution, {"name": "package", "version": "1.0", "obsoletes": ["my.pkg (splat)"]}) def format_metadata(self, dist): sio = io.StringIO() dist.metadata.write_pkg_file(sio) return sio.getvalue() 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') f.write('.') f.close() try: dist = Distribution() # linux-style if sys.platform in ('linux', 'darwin'): os.environ['HOME'] = temp_dir files = dist.find_config_files() self.assertTrue(user_filename in files) # win32-style if sys.platform == 'win32': # home drive should be found os.environ['HOME'] = temp_dir files = dist.find_config_files() self.assertTrue(user_filename in 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.assertEquals(fancy_options[0], ('a', 'b', 'c')) self.assertEquals(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(len(output) > 0) def test_suite(): suite = unittest.TestSuite() suite.addTest(unittest.makeSuite(DistributionTestCase)) suite.addTest(unittest.makeSuite(MetadataTestCase)) return suite if __name__ == "__main__": unittest.main(defaultTest="test_suite")