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      1 # -*- coding: utf8 -*-
      2 
      3 """Tests for distutils.dist."""
      4 import os
      5 import StringIO
      6 import sys
      7 import unittest
      8 import warnings
      9 import textwrap
     10 
     11 from distutils.dist import Distribution, fix_help_options
     12 from distutils.cmd import Command
     13 import distutils.dist
     14 from test.test_support import TESTFN, captured_stdout, run_unittest
     15 from distutils.tests import support
     16 
     17 
     18 class test_dist(Command):
     19     """Sample distutils extension command."""
     20 
     21     user_options = [
     22         ("sample-option=", "S", "help text"),
     23         ]
     24 
     25     def initialize_options(self):
     26         self.sample_option = None
     27 
     28 
     29 class TestDistribution(Distribution):
     30     """Distribution subclasses that avoids the default search for
     31     configuration files.
     32 
     33     The ._config_files attribute must be set before
     34     .parse_config_files() is called.
     35     """
     36 
     37     def find_config_files(self):
     38         return self._config_files
     39 
     40 
     41 class DistributionTestCase(support.TempdirManager,
     42                            support.LoggingSilencer,
     43                            support.EnvironGuard,
     44                            unittest.TestCase):
     45 
     46     def setUp(self):
     47         super(DistributionTestCase, self).setUp()
     48         self.argv = sys.argv, sys.argv[:]
     49         del sys.argv[1:]
     50 
     51     def tearDown(self):
     52         sys.argv = self.argv[0]
     53         sys.argv[:] = self.argv[1]
     54         super(DistributionTestCase, self).tearDown()
     55 
     56     def create_distribution(self, configfiles=()):
     57         d = TestDistribution()
     58         d._config_files = configfiles
     59         d.parse_config_files()
     60         d.parse_command_line()
     61         return d
     62 
     63     def test_debug_mode(self):
     64         with open(TESTFN, "w") as f:
     65             f.write("[global]\n")
     66             f.write("command_packages = foo.bar, splat")
     67 
     68         files = [TESTFN]
     69         sys.argv.append("build")
     70 
     71         with captured_stdout() as stdout:
     72             self.create_distribution(files)
     73         stdout.seek(0)
     74         self.assertEqual(stdout.read(), '')
     75         distutils.dist.DEBUG = True
     76         try:
     77             with captured_stdout() as stdout:
     78                 self.create_distribution(files)
     79             stdout.seek(0)
     80             self.assertEqual(stdout.read(), '')
     81         finally:
     82             distutils.dist.DEBUG = False
     83 
     84     def test_command_packages_unspecified(self):
     85         sys.argv.append("build")
     86         d = self.create_distribution()
     87         self.assertEqual(d.get_command_packages(), ["distutils.command"])
     88 
     89     def test_command_packages_cmdline(self):
     90         from distutils.tests.test_dist import test_dist
     91         sys.argv.extend(["--command-packages",
     92                          "foo.bar,distutils.tests",
     93                          "test_dist",
     94                          "-Ssometext",
     95                          ])
     96         d = self.create_distribution()
     97         # let's actually try to load our test command:
     98         self.assertEqual(d.get_command_packages(),
     99                          ["distutils.command", "foo.bar", "distutils.tests"])
    100         cmd = d.get_command_obj("test_dist")
    101         self.assertIsInstance(cmd, test_dist)
    102         self.assertEqual(cmd.sample_option, "sometext")
    103 
    104     def test_command_packages_configfile(self):
    105         sys.argv.append("build")
    106         self.addCleanup(os.unlink, TESTFN)
    107         f = open(TESTFN, "w")
    108         try:
    109             print >> f, "[global]"
    110             print >> f, "command_packages = foo.bar, splat"
    111         finally:
    112             f.close()
    113 
    114         d = self.create_distribution([TESTFN])
    115         self.assertEqual(d.get_command_packages(),
    116                          ["distutils.command", "foo.bar", "splat"])
    117 
    118         # ensure command line overrides config:
    119         sys.argv[1:] = ["--command-packages", "spork", "build"]
    120         d = self.create_distribution([TESTFN])
    121         self.assertEqual(d.get_command_packages(),
    122                          ["distutils.command", "spork"])
    123 
    124         # Setting --command-packages to '' should cause the default to
    125         # be used even if a config file specified something else:
    126         sys.argv[1:] = ["--command-packages", "", "build"]
    127         d = self.create_distribution([TESTFN])
    128         self.assertEqual(d.get_command_packages(), ["distutils.command"])
    129 
    130     def test_write_pkg_file(self):
    131         # Check DistributionMetadata handling of Unicode fields
    132         tmp_dir = self.mkdtemp()
    133         my_file = os.path.join(tmp_dir, 'f')
    134         klass = Distribution
    135 
    136         dist = klass(attrs={'author': u'Mister Caf',
    137                             'name': 'my.package',
    138                             'maintainer': u'Caf Junior',
    139                             'description': u'Caf torrfi',
    140                             'long_description': u'Hhh'})
    141 
    142         # let's make sure the file can be written
    143         # with Unicode fields. they are encoded with
    144         # PKG_INFO_ENCODING
    145         dist.metadata.write_pkg_file(open(my_file, 'w'))
    146 
    147         # regular ascii is of course always usable
    148         dist = klass(attrs={'author': 'Mister Cafe',
    149                             'name': 'my.package',
    150                             'maintainer': 'Cafe Junior',
    151                             'description': 'Cafe torrefie',
    152                             'long_description': 'Hehehe'})
    153 
    154         my_file2 = os.path.join(tmp_dir, 'f2')
    155         dist.metadata.write_pkg_file(open(my_file2, 'w'))
    156 
    157     def test_empty_options(self):
    158         # an empty options dictionary should not stay in the
    159         # list of attributes
    160 
    161         # catching warnings
    162         warns = []
    163 
    164         def _warn(msg):
    165             warns.append(msg)
    166 
    167         self.addCleanup(setattr, warnings, 'warn', warnings.warn)
    168         warnings.warn = _warn
    169         dist = Distribution(attrs={'author': 'xxx', 'name': 'xxx',
    170                                    'version': 'xxx', 'url': 'xxxx',
    171                                    'options': {}})
    172 
    173         self.assertEqual(len(warns), 0)
    174         self.assertNotIn('options', dir(dist))
    175 
    176     def test_finalize_options(self):
    177         attrs = {'keywords': 'one,two',
    178                  'platforms': 'one,two'}
    179 
    180         dist = Distribution(attrs=attrs)
    181         dist.finalize_options()
    182 
    183         # finalize_option splits platforms and keywords
    184         self.assertEqual(dist.metadata.platforms, ['one', 'two'])
    185         self.assertEqual(dist.metadata.keywords, ['one', 'two'])
    186 
    187     def test_get_command_packages(self):
    188         dist = Distribution()
    189         self.assertEqual(dist.command_packages, None)
    190         cmds = dist.get_command_packages()
    191         self.assertEqual(cmds, ['distutils.command'])
    192         self.assertEqual(dist.command_packages,
    193                          ['distutils.command'])
    194 
    195         dist.command_packages = 'one,two'
    196         cmds = dist.get_command_packages()
    197         self.assertEqual(cmds, ['distutils.command', 'one', 'two'])
    198 
    199     def test_announce(self):
    200         # make sure the level is known
    201         dist = Distribution()
    202         args = ('ok',)
    203         kwargs = {'level': 'ok2'}
    204         self.assertRaises(ValueError, dist.announce, args, kwargs)
    205 
    206     def test_find_config_files_disable(self):
    207         # Ticket #1180: Allow user to disable their home config file.
    208         temp_home = self.mkdtemp()
    209         if os.name == 'posix':
    210             user_filename = os.path.join(temp_home, ".pydistutils.cfg")
    211         else:
    212             user_filename = os.path.join(temp_home, "pydistutils.cfg")
    213 
    214         with open(user_filename, 'w') as f:
    215             f.write('[distutils]\n')
    216 
    217         def _expander(path):
    218             return temp_home
    219 
    220         old_expander = os.path.expanduser
    221         os.path.expanduser = _expander
    222         try:
    223             d = distutils.dist.Distribution()
    224             all_files = d.find_config_files()
    225 
    226             d = distutils.dist.Distribution(attrs={'script_args':
    227                                             ['--no-user-cfg']})
    228             files = d.find_config_files()
    229         finally:
    230             os.path.expanduser = old_expander
    231 
    232         # make sure --no-user-cfg disables the user cfg file
    233         self.assertEqual(len(all_files)-1, len(files))
    234 
    235 
    236 class MetadataTestCase(support.TempdirManager, support.EnvironGuard,
    237                        unittest.TestCase):
    238 
    239     def setUp(self):
    240         super(MetadataTestCase, self).setUp()
    241         self.argv = sys.argv, sys.argv[:]
    242 
    243     def tearDown(self):
    244         sys.argv = self.argv[0]
    245         sys.argv[:] = self.argv[1]
    246         super(MetadataTestCase, self).tearDown()
    247 
    248     def test_classifier(self):
    249         attrs = {'name': 'Boa', 'version': '3.0',
    250                  'classifiers': ['Programming Language :: Python :: 3']}
    251         dist = Distribution(attrs)
    252         meta = self.format_metadata(dist)
    253         self.assertIn('Metadata-Version: 1.1', meta)
    254 
    255     def test_download_url(self):
    256         attrs = {'name': 'Boa', 'version': '3.0',
    257                  'download_url': 'http://example.org/boa'}
    258         dist = Distribution(attrs)
    259         meta = self.format_metadata(dist)
    260         self.assertIn('Metadata-Version: 1.1', meta)
    261 
    262     def test_long_description(self):
    263         long_desc = textwrap.dedent("""\
    264         example::
    265               We start here
    266             and continue here
    267           and end here.""")
    268         attrs = {"name": "package",
    269                  "version": "1.0",
    270                  "long_description": long_desc}
    271 
    272         dist = Distribution(attrs)
    273         meta = self.format_metadata(dist)
    274         meta = meta.replace('\n' + 8 * ' ', '\n')
    275         self.assertIn(long_desc, meta)
    276 
    277     def test_simple_metadata(self):
    278         attrs = {"name": "package",
    279                  "version": "1.0"}
    280         dist = Distribution(attrs)
    281         meta = self.format_metadata(dist)
    282         self.assertIn("Metadata-Version: 1.0", meta)
    283         self.assertNotIn("provides:", meta.lower())
    284         self.assertNotIn("requires:", meta.lower())
    285         self.assertNotIn("obsoletes:", meta.lower())
    286 
    287     def test_provides(self):
    288         attrs = {"name": "package",
    289                  "version": "1.0",
    290                  "provides": ["package", "package.sub"]}
    291         dist = Distribution(attrs)
    292         self.assertEqual(dist.metadata.get_provides(),
    293                          ["package", "package.sub"])
    294         self.assertEqual(dist.get_provides(),
    295                          ["package", "package.sub"])
    296         meta = self.format_metadata(dist)
    297         self.assertIn("Metadata-Version: 1.1", meta)
    298         self.assertNotIn("requires:", meta.lower())
    299         self.assertNotIn("obsoletes:", meta.lower())
    300 
    301     def test_provides_illegal(self):
    302         self.assertRaises(ValueError, Distribution,
    303                           {"name": "package",
    304                            "version": "1.0",
    305                            "provides": ["my.pkg (splat)"]})
    306 
    307     def test_requires(self):
    308         attrs = {"name": "package",
    309                  "version": "1.0",
    310                  "requires": ["other", "another (==1.0)"]}
    311         dist = Distribution(attrs)
    312         self.assertEqual(dist.metadata.get_requires(),
    313                          ["other", "another (==1.0)"])
    314         self.assertEqual(dist.get_requires(),
    315                          ["other", "another (==1.0)"])
    316         meta = self.format_metadata(dist)
    317         self.assertIn("Metadata-Version: 1.1", meta)
    318         self.assertNotIn("provides:", meta.lower())
    319         self.assertIn("Requires: other", meta)
    320         self.assertIn("Requires: another (==1.0)", meta)
    321         self.assertNotIn("obsoletes:", meta.lower())
    322 
    323     def test_requires_illegal(self):
    324         self.assertRaises(ValueError, Distribution,
    325                           {"name": "package",
    326                            "version": "1.0",
    327                            "requires": ["my.pkg (splat)"]})
    328 
    329     def test_obsoletes(self):
    330         attrs = {"name": "package",
    331                  "version": "1.0",
    332                  "obsoletes": ["other", "another (<1.0)"]}
    333         dist = Distribution(attrs)
    334         self.assertEqual(dist.metadata.get_obsoletes(),
    335                          ["other", "another (<1.0)"])
    336         self.assertEqual(dist.get_obsoletes(),
    337                          ["other", "another (<1.0)"])
    338         meta = self.format_metadata(dist)
    339         self.assertIn("Metadata-Version: 1.1", meta)
    340         self.assertNotIn("provides:", meta.lower())
    341         self.assertNotIn("requires:", meta.lower())
    342         self.assertIn("Obsoletes: other", meta)
    343         self.assertIn("Obsoletes: another (<1.0)", meta)
    344 
    345     def test_obsoletes_illegal(self):
    346         self.assertRaises(ValueError, Distribution,
    347                           {"name": "package",
    348                            "version": "1.0",
    349                            "obsoletes": ["my.pkg (splat)"]})
    350 
    351     def format_metadata(self, dist):
    352         sio = StringIO.StringIO()
    353         dist.metadata.write_pkg_file(sio)
    354         return sio.getvalue()
    355 
    356     def test_custom_pydistutils(self):
    357         # fixes #2166
    358         # make sure pydistutils.cfg is found
    359         if os.name == 'posix':
    360             user_filename = ".pydistutils.cfg"
    361         else:
    362             user_filename = "pydistutils.cfg"
    363 
    364         temp_dir = self.mkdtemp()
    365         user_filename = os.path.join(temp_dir, user_filename)
    366         f = open(user_filename, 'w')
    367         try:
    368             f.write('.')
    369         finally:
    370             f.close()
    371 
    372         try:
    373             dist = Distribution()
    374 
    375             # linux-style
    376             if sys.platform in ('linux', 'darwin'):
    377                 os.environ['HOME'] = temp_dir
    378                 files = dist.find_config_files()
    379                 self.assertIn(user_filename, files)
    380 
    381             # win32-style
    382             if sys.platform == 'win32':
    383                 # home drive should be found
    384                 os.environ['HOME'] = temp_dir
    385                 files = dist.find_config_files()
    386                 self.assertIn(user_filename, files,
    387                              '%r not found in %r' % (user_filename, files))
    388         finally:
    389             os.remove(user_filename)
    390 
    391     def test_fix_help_options(self):
    392         help_tuples = [('a', 'b', 'c', 'd'), (1, 2, 3, 4)]
    393         fancy_options = fix_help_options(help_tuples)
    394         self.assertEqual(fancy_options[0], ('a', 'b', 'c'))
    395         self.assertEqual(fancy_options[1], (1, 2, 3))
    396 
    397     def test_show_help(self):
    398         # smoke test, just makes sure some help is displayed
    399         dist = Distribution()
    400         sys.argv = []
    401         dist.help = 1
    402         dist.script_name = 'setup.py'
    403         with captured_stdout() as s:
    404             dist.parse_command_line()
    405 
    406         output = [line for line in s.getvalue().split('\n')
    407                   if line.strip() != '']
    408         self.assertTrue(output)
    409 
    410     def test_read_metadata(self):
    411         attrs = {"name": "package",
    412                  "version": "1.0",
    413                  "long_description": "desc",
    414                  "description": "xxx",
    415                  "download_url": "http://example.com",
    416                  "keywords": ['one', 'two'],
    417                  "requires": ['foo']}
    418 
    419         dist = Distribution(attrs)
    420         metadata = dist.metadata
    421 
    422         # write it then reloads it
    423         PKG_INFO = StringIO.StringIO()
    424         metadata.write_pkg_file(PKG_INFO)
    425         PKG_INFO.seek(0)
    426         metadata.read_pkg_file(PKG_INFO)
    427 
    428         self.assertEqual(metadata.name, "package")
    429         self.assertEqual(metadata.version, "1.0")
    430         self.assertEqual(metadata.description, "xxx")
    431         self.assertEqual(metadata.download_url, 'http://example.com')
    432         self.assertEqual(metadata.keywords, ['one', 'two'])
    433         self.assertEqual(metadata.platforms, ['UNKNOWN'])
    434         self.assertEqual(metadata.obsoletes, None)
    435         self.assertEqual(metadata.requires, ['foo'])
    436 
    437 
    438 def test_suite():
    439     suite = unittest.TestSuite()
    440     suite.addTest(unittest.makeSuite(DistributionTestCase))
    441     suite.addTest(unittest.makeSuite(MetadataTestCase))
    442     return suite
    443 
    444 if __name__ == "__main__":
    445     run_unittest(test_suite())
    446