symbian-qemu-0.9.1-12/python-2.6.1/Lib/distutils/tests/test_dist.py
changeset 1 2fb8b9db1c86
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0:ffa851df0825 1:2fb8b9db1c86
       
     1 # -*- coding: latin-1 -*-
       
     2 
       
     3 """Tests for distutils.dist."""
       
     4 
       
     5 import distutils.cmd
       
     6 import distutils.dist
       
     7 import os
       
     8 import StringIO
       
     9 import sys
       
    10 import unittest
       
    11 
       
    12 from test.test_support import TESTFN
       
    13 
       
    14 
       
    15 class test_dist(distutils.cmd.Command):
       
    16     """Sample distutils extension command."""
       
    17 
       
    18     user_options = [
       
    19         ("sample-option=", "S", "help text"),
       
    20         ]
       
    21 
       
    22     def initialize_options(self):
       
    23         self.sample_option = None
       
    24 
       
    25 
       
    26 class TestDistribution(distutils.dist.Distribution):
       
    27     """Distribution subclasses that avoids the default search for
       
    28     configuration files.
       
    29 
       
    30     The ._config_files attribute must be set before
       
    31     .parse_config_files() is called.
       
    32     """
       
    33 
       
    34     def find_config_files(self):
       
    35         return self._config_files
       
    36 
       
    37 
       
    38 class DistributionTestCase(unittest.TestCase):
       
    39 
       
    40     def setUp(self):
       
    41         self.argv = sys.argv[:]
       
    42         del sys.argv[1:]
       
    43 
       
    44     def tearDown(self):
       
    45         sys.argv[:] = self.argv
       
    46 
       
    47     def create_distribution(self, configfiles=()):
       
    48         d = TestDistribution()
       
    49         d._config_files = configfiles
       
    50         d.parse_config_files()
       
    51         d.parse_command_line()
       
    52         return d
       
    53 
       
    54     def test_command_packages_unspecified(self):
       
    55         sys.argv.append("build")
       
    56         d = self.create_distribution()
       
    57         self.assertEqual(d.get_command_packages(), ["distutils.command"])
       
    58 
       
    59     def test_command_packages_cmdline(self):
       
    60         from distutils.tests.test_dist import test_dist
       
    61         sys.argv.extend(["--command-packages",
       
    62                          "foo.bar,distutils.tests",
       
    63                          "test_dist",
       
    64                          "-Ssometext",
       
    65                          ])
       
    66         d = self.create_distribution()
       
    67         # let's actually try to load our test command:
       
    68         self.assertEqual(d.get_command_packages(),
       
    69                          ["distutils.command", "foo.bar", "distutils.tests"])
       
    70         cmd = d.get_command_obj("test_dist")
       
    71         self.assert_(isinstance(cmd, test_dist))
       
    72         self.assertEqual(cmd.sample_option, "sometext")
       
    73 
       
    74     def test_command_packages_configfile(self):
       
    75         sys.argv.append("build")
       
    76         f = open(TESTFN, "w")
       
    77         try:
       
    78             print >>f, "[global]"
       
    79             print >>f, "command_packages = foo.bar, splat"
       
    80             f.close()
       
    81             d = self.create_distribution([TESTFN])
       
    82             self.assertEqual(d.get_command_packages(),
       
    83                              ["distutils.command", "foo.bar", "splat"])
       
    84 
       
    85             # ensure command line overrides config:
       
    86             sys.argv[1:] = ["--command-packages", "spork", "build"]
       
    87             d = self.create_distribution([TESTFN])
       
    88             self.assertEqual(d.get_command_packages(),
       
    89                              ["distutils.command", "spork"])
       
    90 
       
    91             # Setting --command-packages to '' should cause the default to
       
    92             # be used even if a config file specified something else:
       
    93             sys.argv[1:] = ["--command-packages", "", "build"]
       
    94             d = self.create_distribution([TESTFN])
       
    95             self.assertEqual(d.get_command_packages(), ["distutils.command"])
       
    96 
       
    97         finally:
       
    98             os.unlink(TESTFN)
       
    99 
       
   100     def test_write_pkg_file(self):
       
   101         # Check DistributionMetadata handling of Unicode fields
       
   102         my_file = os.path.join(os.path.dirname(__file__), 'f')
       
   103         klass = distutils.dist.Distribution
       
   104 
       
   105         dist = klass(attrs={'author': u'Mister Café',
       
   106                             'name': 'my.package',
       
   107                             'maintainer': u'Café Junior',
       
   108                             'description': u'Café torréfié',
       
   109                             'long_description': u'Héhéhé'})
       
   110 
       
   111 
       
   112         # let's make sure the file can be written
       
   113         # with Unicode fields. they are encoded with
       
   114         # PKG_INFO_ENCODING
       
   115         try:
       
   116             dist.metadata.write_pkg_file(open(my_file, 'w'))
       
   117         finally:
       
   118             if os.path.exists(my_file):
       
   119                 os.remove(my_file)
       
   120 
       
   121         # regular ascii is of course always usable
       
   122         dist = klass(attrs={'author': 'Mister Cafe',
       
   123                             'name': 'my.package',
       
   124                             'maintainer': 'Cafe Junior',
       
   125                             'description': 'Cafe torrefie',
       
   126                             'long_description': 'Hehehe'})
       
   127 
       
   128         try:
       
   129             dist.metadata.write_pkg_file(open(my_file, 'w'))
       
   130         finally:
       
   131             if os.path.exists(my_file):
       
   132                 os.remove(my_file)
       
   133 
       
   134 class MetadataTestCase(unittest.TestCase):
       
   135 
       
   136     def test_simple_metadata(self):
       
   137         attrs = {"name": "package",
       
   138                  "version": "1.0"}
       
   139         dist = distutils.dist.Distribution(attrs)
       
   140         meta = self.format_metadata(dist)
       
   141         self.assert_("Metadata-Version: 1.0" in meta)
       
   142         self.assert_("provides:" not in meta.lower())
       
   143         self.assert_("requires:" not in meta.lower())
       
   144         self.assert_("obsoletes:" not in meta.lower())
       
   145 
       
   146     def test_provides(self):
       
   147         attrs = {"name": "package",
       
   148                  "version": "1.0",
       
   149                  "provides": ["package", "package.sub"]}
       
   150         dist = distutils.dist.Distribution(attrs)
       
   151         self.assertEqual(dist.metadata.get_provides(),
       
   152                          ["package", "package.sub"])
       
   153         self.assertEqual(dist.get_provides(),
       
   154                          ["package", "package.sub"])
       
   155         meta = self.format_metadata(dist)
       
   156         self.assert_("Metadata-Version: 1.1" in meta)
       
   157         self.assert_("requires:" not in meta.lower())
       
   158         self.assert_("obsoletes:" not in meta.lower())
       
   159 
       
   160     def test_provides_illegal(self):
       
   161         self.assertRaises(ValueError,
       
   162                           distutils.dist.Distribution,
       
   163                           {"name": "package",
       
   164                            "version": "1.0",
       
   165                            "provides": ["my.pkg (splat)"]})
       
   166 
       
   167     def test_requires(self):
       
   168         attrs = {"name": "package",
       
   169                  "version": "1.0",
       
   170                  "requires": ["other", "another (==1.0)"]}
       
   171         dist = distutils.dist.Distribution(attrs)
       
   172         self.assertEqual(dist.metadata.get_requires(),
       
   173                          ["other", "another (==1.0)"])
       
   174         self.assertEqual(dist.get_requires(),
       
   175                          ["other", "another (==1.0)"])
       
   176         meta = self.format_metadata(dist)
       
   177         self.assert_("Metadata-Version: 1.1" in meta)
       
   178         self.assert_("provides:" not in meta.lower())
       
   179         self.assert_("Requires: other" in meta)
       
   180         self.assert_("Requires: another (==1.0)" in meta)
       
   181         self.assert_("obsoletes:" not in meta.lower())
       
   182 
       
   183     def test_requires_illegal(self):
       
   184         self.assertRaises(ValueError,
       
   185                           distutils.dist.Distribution,
       
   186                           {"name": "package",
       
   187                            "version": "1.0",
       
   188                            "requires": ["my.pkg (splat)"]})
       
   189 
       
   190     def test_obsoletes(self):
       
   191         attrs = {"name": "package",
       
   192                  "version": "1.0",
       
   193                  "obsoletes": ["other", "another (<1.0)"]}
       
   194         dist = distutils.dist.Distribution(attrs)
       
   195         self.assertEqual(dist.metadata.get_obsoletes(),
       
   196                          ["other", "another (<1.0)"])
       
   197         self.assertEqual(dist.get_obsoletes(),
       
   198                          ["other", "another (<1.0)"])
       
   199         meta = self.format_metadata(dist)
       
   200         self.assert_("Metadata-Version: 1.1" in meta)
       
   201         self.assert_("provides:" not in meta.lower())
       
   202         self.assert_("requires:" not in meta.lower())
       
   203         self.assert_("Obsoletes: other" in meta)
       
   204         self.assert_("Obsoletes: another (<1.0)" in meta)
       
   205 
       
   206     def test_obsoletes_illegal(self):
       
   207         self.assertRaises(ValueError,
       
   208                           distutils.dist.Distribution,
       
   209                           {"name": "package",
       
   210                            "version": "1.0",
       
   211                            "obsoletes": ["my.pkg (splat)"]})
       
   212 
       
   213     def format_metadata(self, dist):
       
   214         sio = StringIO.StringIO()
       
   215         dist.metadata.write_pkg_file(sio)
       
   216         return sio.getvalue()
       
   217 
       
   218     def test_custom_pydistutils(self):
       
   219         # fixes #2166
       
   220         # make sure pydistutils.cfg is found
       
   221         old = {}
       
   222         for env in ('HOME', 'HOMEPATH', 'HOMEDRIVE'):
       
   223             value = os.environ.get(env)
       
   224             old[env] = value
       
   225             if value is not None:
       
   226                 del os.environ[env]
       
   227 
       
   228         if os.name == 'posix':
       
   229             user_filename = ".pydistutils.cfg"
       
   230         else:
       
   231             user_filename = "pydistutils.cfg"
       
   232 
       
   233         curdir = os.path.dirname(__file__)
       
   234         user_filename = os.path.join(curdir, user_filename)
       
   235         f = open(user_filename, 'w')
       
   236         f.write('.')
       
   237         f.close()
       
   238 
       
   239         try:
       
   240             dist = distutils.dist.Distribution()
       
   241 
       
   242             # linux-style
       
   243             if sys.platform in ('linux', 'darwin'):
       
   244                 os.environ['HOME'] = curdir
       
   245                 files = dist.find_config_files()
       
   246                 self.assert_(user_filename in files)
       
   247 
       
   248             # win32-style
       
   249             if sys.platform == 'win32':
       
   250                 # home drive should be found
       
   251                 os.environ['HOME'] = curdir
       
   252                 files = dist.find_config_files()
       
   253                 self.assert_(user_filename in files,
       
   254                              '%r not found in %r' % (user_filename, files))
       
   255         finally:
       
   256             for key, value in old.items():
       
   257                 if value is None:
       
   258                     continue
       
   259                 os.environ[key] = value
       
   260             os.remove(user_filename)
       
   261 
       
   262 def test_suite():
       
   263     suite = unittest.TestSuite()
       
   264     suite.addTest(unittest.makeSuite(DistributionTestCase))
       
   265     suite.addTest(unittest.makeSuite(MetadataTestCase))
       
   266     return suite
       
   267 
       
   268 if __name__ == "__main__":
       
   269     unittest.main(defaultTest="test_suite")