diff options
Diffstat (limited to 'Lib/importlib/test/source/test_reload.py')
-rw-r--r-- | Lib/importlib/test/source/test_reload.py | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/Lib/importlib/test/source/test_reload.py b/Lib/importlib/test/source/test_reload.py deleted file mode 100644 index e123a28..0000000 --- a/Lib/importlib/test/source/test_reload.py +++ /dev/null @@ -1,71 +0,0 @@ -"""Test reload support. - -Reload support requires two things. One is that if module is loaded that -already exists in sys.modules then it is reused. And two, if a reload fails the -pre-existing module is left in a sane state. - -""" -import imp -import sys -import types -import unittest -import importlib -from .. import support - - -class ReloadTests(unittest.TestCase): - - name = '_temp' - - def load_module(self, mapping): - return importlib._PyFileLoader(self.name, mapping[self.name], False) - - def fake_mtime(self, fxn): - """Fake mtime to always be higher than expected.""" - return lambda name: fxn(name) + 1 - - def test_module_reuse(self): - with support.create_modules(self.name) as mapping: - loader = self.load_module(mapping) - module = loader.load_module(self.name) - module_id = id(module) - module_dict_id = id(module.__dict__) - with open(mapping[self.name], 'w') as file: - file.write("testing_var = 42\n") - # For filesystems where the mtime is only to a second granularity, - # everything that has happened above can be too fast; - # force an mtime on the source that is guaranteed to be different - # than the original mtime. - loader.source_mtime = self.fake_mtime(loader.source_mtime) - module = loader.load_module(self.name) - self.assert_('testing_var' in module.__dict__, - "'testing_var' not in " - "{0}".format(list(module.__dict__.keys()))) - self.assertEqual(module, sys.modules[self.name]) - self.assertEqual(id(module), module_id) - self.assertEqual(id(module.__dict__), module_dict_id) - - def test_bad_reload(self): - # A failed reload should leave the original module intact. - attributes = ('__file__', '__path__', '__package__') - value = '<test>' - with support.create_modules(self.name) as mapping: - orig_module = imp.new_module(self.name) - for attr in attributes: - setattr(orig_module, attr, value) - with open(mapping[self.name], 'w') as file: - file.write('+++ bad syntax +++') - loader = self.load_module(mapping) - self.assertRaises(SyntaxError, loader.load_module, self.name) - for attr in attributes: - self.assertEqual(getattr(orig_module, attr), value) - - - -def test_main(): - from test.support import run_unittest - run_unittest(ReloadTests) - - -if __name__ == '__main__': - test_main() |