cpython/Lib/test/test_frozen.py

80 lines
2.8 KiB
Python

# Test the frozen module defined in frozen.c.
from test.support import captured_stdout, run_unittest
import unittest
import sys
class FrozenTests(unittest.TestCase):
module_attrs = frozenset(['__builtins__', '__cached__', '__doc__',
'__file__', '__loader__', '__name__',
'__package__'])
package_attrs = frozenset(list(module_attrs) + ['__path__'])
def test_frozen(self):
with captured_stdout() as stdout:
try:
import __hello__
except ImportError as x:
self.fail("import __hello__ failed:" + str(x))
self.assertEqual(__hello__.initialized, True)
expect = set(self.module_attrs)
expect.add('initialized')
self.assertEqual(set(dir(__hello__)), expect)
self.assertEqual(stdout.getvalue(), 'Hello world!\n')
with captured_stdout() as stdout:
try:
import __phello__
except ImportError as x:
self.fail("import __phello__ failed:" + str(x))
self.assertEqual(__phello__.initialized, True)
expect = set(self.package_attrs)
expect.add('initialized')
if not "__phello__.spam" in sys.modules:
self.assertEqual(set(dir(__phello__)), expect)
else:
expect.add('spam')
self.assertEqual(set(dir(__phello__)), expect)
self.assertEqual(__phello__.__path__, [__phello__.__name__])
self.assertEqual(stdout.getvalue(), 'Hello world!\n')
with captured_stdout() as stdout:
try:
import __phello__.spam
except ImportError as x:
self.fail("import __phello__.spam failed:" + str(x))
self.assertEqual(__phello__.spam.initialized, True)
spam_expect = set(self.module_attrs)
spam_expect.add('initialized')
self.assertEqual(set(dir(__phello__.spam)), spam_expect)
phello_expect = set(self.package_attrs)
phello_expect.add('initialized')
phello_expect.add('spam')
self.assertEqual(set(dir(__phello__)), phello_expect)
self.assertEqual(stdout.getvalue(), 'Hello world!\n')
try:
import __phello__.foo
except ImportError:
pass
else:
self.fail("import __phello__.foo should have failed")
try:
import __phello__.foo
except ImportError:
pass
else:
self.fail("import __phello__.foo should have failed")
del sys.modules['__hello__']
del sys.modules['__phello__']
del sys.modules['__phello__.spam']
def test_main():
run_unittest(FrozenTests)
if __name__ == "__main__":
test_main()