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8b70ff5872
* Add Lib/test/test_capi/test_frame.py file. * Move C API tests from test_frame to test_capi.test_frame. * Add Modules/_testcapi/frame.c file. * Move C API tests from _testcapimodule.c to frame.c
56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
import sys
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import unittest
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from test.support import import_helper
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_testcapi = import_helper.import_module('_testcapi')
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class FrameTest(unittest.TestCase):
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def getframe(self):
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return sys._getframe()
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def test_frame_getters(self):
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frame = self.getframe()
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self.assertEqual(frame.f_locals, _testcapi.frame_getlocals(frame))
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self.assertIs(frame.f_globals, _testcapi.frame_getglobals(frame))
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self.assertIs(frame.f_builtins, _testcapi.frame_getbuiltins(frame))
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self.assertEqual(frame.f_lasti, _testcapi.frame_getlasti(frame))
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def test_getvar(self):
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current_frame = sys._getframe()
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x = 1
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self.assertEqual(_testcapi.frame_getvar(current_frame, "x"), 1)
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self.assertEqual(_testcapi.frame_getvarstring(current_frame, b"x"), 1)
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with self.assertRaises(NameError):
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_testcapi.frame_getvar(current_frame, "y")
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with self.assertRaises(NameError):
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_testcapi.frame_getvarstring(current_frame, b"y")
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# wrong name type
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with self.assertRaises(TypeError):
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_testcapi.frame_getvar(current_frame, b'x')
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with self.assertRaises(TypeError):
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_testcapi.frame_getvar(current_frame, 123)
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def getgenframe(self):
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yield sys._getframe()
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def test_frame_get_generator(self):
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gen = self.getgenframe()
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frame = next(gen)
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self.assertIs(gen, _testcapi.frame_getgenerator(frame))
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def test_frame_fback_api(self):
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"""Test that accessing `f_back` does not cause a segmentation fault on
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a frame created with `PyFrame_New` (GH-99110)."""
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def dummy():
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pass
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frame = _testcapi.frame_new(dummy.__code__, globals(), locals())
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# The following line should not cause a segmentation fault.
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self.assertIsNone(frame.f_back)
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if __name__ == "__main__":
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unittest.main()
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