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			328 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			328 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
"""Tests for distutils.dist."""
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import os
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import io
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import sys
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import unittest
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import warnings
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import textwrap
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from distutils.dist import Distribution, fix_help_options
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from distutils.cmd import Command
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from test.support import TESTFN, captured_stdout, run_unittest
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from distutils.tests import support
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class test_dist(Command):
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    """Sample distutils extension command."""
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    user_options = [
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        ("sample-option=", "S", "help text"),
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        ]
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    def initialize_options(self):
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        self.sample_option = None
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class TestDistribution(Distribution):
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    """Distribution subclasses that avoids the default search for
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    configuration files.
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    The ._config_files attribute must be set before
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    .parse_config_files() is called.
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    """
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    def find_config_files(self):
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        return self._config_files
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class DistributionTestCase(support.LoggingSilencer,
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                           support.EnvironGuard,
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                           unittest.TestCase):
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    def setUp(self):
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        super(DistributionTestCase, self).setUp()
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        self.argv = sys.argv, sys.argv[:]
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        del sys.argv[1:]
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    def tearDown(self):
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        sys.argv = self.argv[0]
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        sys.argv[:] = self.argv[1]
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        super(DistributionTestCase, self).tearDown()
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    def create_distribution(self, configfiles=()):
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        d = TestDistribution()
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        d._config_files = configfiles
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        d.parse_config_files()
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        d.parse_command_line()
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        return d
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    def test_command_packages_unspecified(self):
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        sys.argv.append("build")
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        d = self.create_distribution()
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        self.assertEqual(d.get_command_packages(), ["distutils.command"])
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    def test_command_packages_cmdline(self):
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        from distutils.tests.test_dist import test_dist
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        sys.argv.extend(["--command-packages",
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                         "foo.bar,distutils.tests",
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                         "test_dist",
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                         "-Ssometext",
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                         ])
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        d = self.create_distribution()
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        # let's actually try to load our test command:
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        self.assertEqual(d.get_command_packages(),
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                         ["distutils.command", "foo.bar", "distutils.tests"])
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        cmd = d.get_command_obj("test_dist")
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        self.assertTrue(isinstance(cmd, test_dist))
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        self.assertEqual(cmd.sample_option, "sometext")
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    def test_command_packages_configfile(self):
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        sys.argv.append("build")
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        self.addCleanup(os.unlink, TESTFN)
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        f = open(TESTFN, "w")
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        try:
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            print("[global]", file=f)
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            print("command_packages = foo.bar, splat", file=f)
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        finally:
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            f.close()
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        d = self.create_distribution([TESTFN])
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        self.assertEqual(d.get_command_packages(),
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                         ["distutils.command", "foo.bar", "splat"])
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        # ensure command line overrides config:
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        sys.argv[1:] = ["--command-packages", "spork", "build"]
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        d = self.create_distribution([TESTFN])
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        self.assertEqual(d.get_command_packages(),
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                         ["distutils.command", "spork"])
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        # Setting --command-packages to '' should cause the default to
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        # be used even if a config file specified something else:
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        sys.argv[1:] = ["--command-packages", "", "build"]
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        d = self.create_distribution([TESTFN])
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        self.assertEqual(d.get_command_packages(), ["distutils.command"])
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    def test_empty_options(self):
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        # an empty options dictionary should not stay in the
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        # list of attributes
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        klass = Distribution
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        # catching warnings
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        warns = []
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        def _warn(msg):
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            warns.append(msg)
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        old_warn = warnings.warn
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        warnings.warn = _warn
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        try:
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            dist = klass(attrs={'author': 'xxx',
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                                'name': 'xxx',
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                                'version': 'xxx',
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                                'url': 'xxxx',
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                                'options': {}})
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        finally:
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            warnings.warn = old_warn
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        self.assertEqual(len(warns), 0)
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    def test_finalize_options(self):
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        attrs = {'keywords': 'one,two',
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                 'platforms': 'one,two'}
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        dist = Distribution(attrs=attrs)
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        dist.finalize_options()
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        # finalize_option splits platforms and keywords
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        self.assertEqual(dist.metadata.platforms, ['one', 'two'])
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        self.assertEqual(dist.metadata.keywords, ['one', 'two'])
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    def test_get_command_packages(self):
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        dist = Distribution()
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        self.assertEqual(dist.command_packages, None)
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        cmds = dist.get_command_packages()
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        self.assertEqual(cmds, ['distutils.command'])
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        self.assertEqual(dist.command_packages,
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                         ['distutils.command'])
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        dist.command_packages = 'one,two'
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        cmds = dist.get_command_packages()
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        self.assertEqual(cmds, ['distutils.command', 'one', 'two'])
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    def test_announce(self):
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        # make sure the level is known
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        dist = Distribution()
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        args = ('ok',)
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        kwargs = {'level': 'ok2'}
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        self.assertRaises(ValueError, dist.announce, args, kwargs)
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class MetadataTestCase(support.TempdirManager, support.EnvironGuard,
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                       unittest.TestCase):
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    def setUp(self):
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        super(MetadataTestCase, self).setUp()
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        self.argv = sys.argv, sys.argv[:]
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    def tearDown(self):
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        sys.argv = self.argv[0]
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        sys.argv[:] = self.argv[1]
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        super(MetadataTestCase, self).tearDown()
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    def test_simple_metadata(self):
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        attrs = {"name": "package",
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                 "version": "1.0"}
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        dist = Distribution(attrs)
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        meta = self.format_metadata(dist)
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        self.assertTrue("Metadata-Version: 1.0" in meta)
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        self.assertTrue("provides:" not in meta.lower())
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        self.assertTrue("requires:" not in meta.lower())
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        self.assertTrue("obsoletes:" not in meta.lower())
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    def test_provides(self):
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        attrs = {"name": "package",
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                 "version": "1.0",
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                 "provides": ["package", "package.sub"]}
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        dist = Distribution(attrs)
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        self.assertEqual(dist.metadata.get_provides(),
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                         ["package", "package.sub"])
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        self.assertEqual(dist.get_provides(),
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                         ["package", "package.sub"])
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        meta = self.format_metadata(dist)
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        self.assertTrue("Metadata-Version: 1.1" in meta)
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        self.assertTrue("requires:" not in meta.lower())
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        self.assertTrue("obsoletes:" not in meta.lower())
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    def test_provides_illegal(self):
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        self.assertRaises(ValueError, Distribution,
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                          {"name": "package",
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                           "version": "1.0",
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                           "provides": ["my.pkg (splat)"]})
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    def test_requires(self):
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        attrs = {"name": "package",
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                 "version": "1.0",
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                 "requires": ["other", "another (==1.0)"]}
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        dist = Distribution(attrs)
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        self.assertEqual(dist.metadata.get_requires(),
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                         ["other", "another (==1.0)"])
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        self.assertEqual(dist.get_requires(),
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                         ["other", "another (==1.0)"])
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        meta = self.format_metadata(dist)
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        self.assertTrue("Metadata-Version: 1.1" in meta)
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        self.assertTrue("provides:" not in meta.lower())
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        self.assertTrue("Requires: other" in meta)
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        self.assertTrue("Requires: another (==1.0)" in meta)
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        self.assertTrue("obsoletes:" not in meta.lower())
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    def test_requires_illegal(self):
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        self.assertRaises(ValueError, Distribution,
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                          {"name": "package",
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                           "version": "1.0",
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                           "requires": ["my.pkg (splat)"]})
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    def test_obsoletes(self):
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        attrs = {"name": "package",
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                 "version": "1.0",
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                 "obsoletes": ["other", "another (<1.0)"]}
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        dist = Distribution(attrs)
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        self.assertEqual(dist.metadata.get_obsoletes(),
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                         ["other", "another (<1.0)"])
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        self.assertEqual(dist.get_obsoletes(),
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                         ["other", "another (<1.0)"])
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        meta = self.format_metadata(dist)
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        self.assertTrue("Metadata-Version: 1.1" in meta)
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        self.assertTrue("provides:" not in meta.lower())
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        self.assertTrue("requires:" not in meta.lower())
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        self.assertTrue("Obsoletes: other" in meta)
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        self.assertTrue("Obsoletes: another (<1.0)" in meta)
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    def test_obsoletes_illegal(self):
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        self.assertRaises(ValueError, Distribution,
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                          {"name": "package",
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                           "version": "1.0",
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                           "obsoletes": ["my.pkg (splat)"]})
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    def format_metadata(self, dist):
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        sio = io.StringIO()
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        dist.metadata.write_pkg_file(sio)
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        return sio.getvalue()
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    def test_custom_pydistutils(self):
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        # fixes #2166
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        # make sure pydistutils.cfg is found
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        if os.name == 'posix':
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            user_filename = ".pydistutils.cfg"
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        else:
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            user_filename = "pydistutils.cfg"
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        temp_dir = self.mkdtemp()
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        user_filename = os.path.join(temp_dir, user_filename)
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        f = open(user_filename, 'w')
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        try:
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            f.write('.')
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        finally:
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            f.close()
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        try:
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            dist = Distribution()
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            # linux-style
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            if sys.platform in ('linux', 'darwin'):
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                os.environ['HOME'] = temp_dir
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                files = dist.find_config_files()
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                self.assertTrue(user_filename in files)
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            # win32-style
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            if sys.platform == 'win32':
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                # home drive should be found
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                os.environ['HOME'] = temp_dir
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                files = dist.find_config_files()
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                self.assertTrue(user_filename in files,
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                             '%r not found in %r' % (user_filename, files))
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        finally:
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            os.remove(user_filename)
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    def test_fix_help_options(self):
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        help_tuples = [('a', 'b', 'c', 'd'), (1, 2, 3, 4)]
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        fancy_options = fix_help_options(help_tuples)
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        self.assertEqual(fancy_options[0], ('a', 'b', 'c'))
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        self.assertEqual(fancy_options[1], (1, 2, 3))
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    def test_show_help(self):
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        # smoke test, just makes sure some help is displayed
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        dist = Distribution()
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        sys.argv = []
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        dist.help = 1
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        dist.script_name = 'setup.py'
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        with captured_stdout() as s:
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            dist.parse_command_line()
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        output = [line for line in s.getvalue().split('\n')
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                  if line.strip() != '']
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        self.assertTrue(len(output) > 0)
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    def test_long_description(self):
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        long_desc = textwrap.dedent("""\
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        example::
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              We start here
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            and continue here
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          and end here.""")
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        attrs = {"name": "package",
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                 "version": "1.0",
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                 "long_description": long_desc}
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        dist = Distribution(attrs)
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        meta = self.format_metadata(dist)
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        meta = meta.replace('\n' + 8 * ' ', '\n')
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        self.assertTrue(long_desc in meta)
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def test_suite():
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    suite = unittest.TestSuite()
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    suite.addTest(unittest.makeSuite(DistributionTestCase))
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    suite.addTest(unittest.makeSuite(MetadataTestCase))
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    return suite
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if __name__ == "__main__":
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    run_unittest(test_suite())
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