mirror of
https://github.com/python/cpython.git
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f3f283a1cb
- Use os.makedirs (I had forgotten about it!) - Let TempdirManager.write_file call os.path.join for us - Remove custom command added by test_dist - Use a skip instead of hiding a method with an underscore - Address pyflakes warnings
224 lines
7 KiB
Python
224 lines
7 KiB
Python
import os
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import re
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import sys
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import shutil
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import unittest as ut1
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import packaging.database
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from os.path import join
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from operator import getitem, setitem, delitem
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from packaging.command.build import build
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from packaging.tests import unittest
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from packaging.tests.support import (TempdirManager, EnvironRestorer,
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LoggingCatcher)
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from packaging.command.test import test
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from packaging.command import set_command
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from packaging.dist import Distribution
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EXPECTED_OUTPUT_RE = r'''FAIL: test_blah \(myowntestmodule.SomeTest\)
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----------------------------------------------------------------------
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Traceback \(most recent call last\):
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File ".+/myowntestmodule.py", line \d+, in test_blah
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self.fail\("horribly"\)
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AssertionError: horribly
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'''
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here = os.path.dirname(os.path.abspath(__file__))
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class MockBuildCmd(build):
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build_lib = "mock build lib"
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command_name = 'build'
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plat_name = 'whatever'
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def initialize_options(self):
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pass
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def finalize_options(self):
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pass
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def run(self):
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self._record.append("build has run")
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class TestTest(TempdirManager,
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EnvironRestorer,
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LoggingCatcher,
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unittest.TestCase):
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restore_environ = ['PYTHONPATH']
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def setUp(self):
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super(TestTest, self).setUp()
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self.addCleanup(packaging.database.clear_cache)
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new_pythonpath = os.path.dirname(os.path.dirname(here))
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pythonpath = os.environ.get('PYTHONPATH')
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if pythonpath is not None:
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new_pythonpath = os.pathsep.join((new_pythonpath, pythonpath))
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os.environ['PYTHONPATH'] = new_pythonpath
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def assert_re_match(self, pattern, string):
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def quote(s):
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lines = ['## ' + line for line in s.split('\n')]
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sep = ["#" * 60]
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return [''] + sep + lines + sep
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msg = quote(pattern) + ["didn't match"] + quote(string)
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msg = "\n".join(msg)
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if not re.search(pattern, string):
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self.fail(msg)
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def prepare_dist(self, dist_name):
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pkg_dir = join(os.path.dirname(__file__), "dists", dist_name)
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temp_pkg_dir = join(self.mkdtemp(), dist_name)
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shutil.copytree(pkg_dir, temp_pkg_dir)
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return temp_pkg_dir
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def safely_replace(self, obj, attr,
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new_val=None, delete=False, dictionary=False):
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"""Replace a object's attribute returning to its original state at the
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end of the test run. Creates the attribute if not present before
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(deleting afterwards). When delete=True, makes sure the value is del'd
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for the test run. If dictionary is set to True, operates of its items
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rather than attributes."""
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if dictionary:
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_setattr, _getattr, _delattr = setitem, getitem, delitem
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def _hasattr(_dict, value):
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return value in _dict
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else:
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_setattr, _getattr, _delattr, _hasattr = (setattr, getattr,
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delattr, hasattr)
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orig_has_attr = _hasattr(obj, attr)
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if orig_has_attr:
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orig_val = _getattr(obj, attr)
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if delete is False:
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_setattr(obj, attr, new_val)
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elif orig_has_attr:
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_delattr(obj, attr)
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def do_cleanup():
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if orig_has_attr:
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_setattr(obj, attr, orig_val)
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elif _hasattr(obj, attr):
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_delattr(obj, attr)
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self.addCleanup(do_cleanup)
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def test_runs_unittest(self):
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module_name, a_module = self.prepare_a_module()
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record = []
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a_module.recorder = lambda *args: record.append("suite")
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class MockTextTestRunner:
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def __init__(*_, **__):
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pass
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def run(_self, suite):
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record.append("run")
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self.safely_replace(ut1, "TextTestRunner", MockTextTestRunner)
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dist = Distribution()
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cmd = test(dist)
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cmd.suite = "%s.recorder" % module_name
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cmd.run()
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self.assertEqual(record, ["suite", "run"])
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def test_builds_before_running_tests(self):
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self.addCleanup(set_command, 'packaging.command.build.build')
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set_command('packaging.tests.test_command_test.MockBuildCmd')
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dist = Distribution()
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dist.get_command_obj('build')._record = record = []
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cmd = test(dist)
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cmd.runner = self.prepare_named_function(lambda: None)
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cmd.ensure_finalized()
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cmd.run()
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self.assertEqual(['build has run'], record)
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@unittest.skip('needs to be written')
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def test_works_with_2to3(self):
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pass
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def test_checks_requires(self):
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dist = Distribution()
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cmd = test(dist)
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phony_project = 'ohno_ohno-impossible_1234-name_stop-that!'
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cmd.tests_require = [phony_project]
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cmd.ensure_finalized()
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logs = self.get_logs()
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self.assertIn(phony_project, logs[-1])
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def prepare_a_module(self):
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tmp_dir = self.mkdtemp()
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sys.path.append(tmp_dir)
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self.addCleanup(sys.path.remove, tmp_dir)
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self.write_file((tmp_dir, 'packaging_tests_a.py'), '')
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import packaging_tests_a as a_module
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return "packaging_tests_a", a_module
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def prepare_named_function(self, func):
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module_name, a_module = self.prepare_a_module()
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a_module.recorder = func
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return "%s.recorder" % module_name
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def test_custom_runner(self):
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dist = Distribution()
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cmd = test(dist)
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record = []
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cmd.runner = self.prepare_named_function(
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lambda: record.append("runner called"))
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cmd.ensure_finalized()
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cmd.run()
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self.assertEqual(["runner called"], record)
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def prepare_mock_ut2(self):
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class MockUTClass:
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def __init__(*_, **__):
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pass
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def discover(self):
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pass
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def run(self, _):
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pass
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class MockUTModule:
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TestLoader = MockUTClass
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TextTestRunner = MockUTClass
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mock_ut2 = MockUTModule()
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self.safely_replace(sys.modules, "unittest2",
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mock_ut2, dictionary=True)
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return mock_ut2
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def test_gets_unittest_discovery(self):
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mock_ut2 = self.prepare_mock_ut2()
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dist = Distribution()
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cmd = test(dist)
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self.safely_replace(ut1.TestLoader, "discover", lambda: None)
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self.assertEqual(cmd.get_ut_with_discovery(), ut1)
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del ut1.TestLoader.discover
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self.assertEqual(cmd.get_ut_with_discovery(), mock_ut2)
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def test_calls_discover(self):
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self.safely_replace(ut1.TestLoader, "discover", delete=True)
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mock_ut2 = self.prepare_mock_ut2()
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record = []
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mock_ut2.TestLoader.discover = lambda self, path: record.append(path)
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dist = Distribution()
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cmd = test(dist)
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cmd.run()
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self.assertEqual([os.curdir], record)
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def test_suite():
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return unittest.makeSuite(TestTest)
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if __name__ == "__main__":
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unittest.main(defaultTest="test_suite")
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