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126 lines
4.6 KiB
Python
126 lines
4.6 KiB
Python
import unittest
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import builtins
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from collections import UserDict
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from test.support import import_helper
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from test.support import swap_attr
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# Skip this test if the _testcapi module isn't available.
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_testcapi = import_helper.import_module('_testcapi')
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NULL = None
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class PyEval_EvalCodeExTests(unittest.TestCase):
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def test_simple(self):
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def f():
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return a
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eval_code_ex = _testcapi.eval_code_ex
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code = f.__code__
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self.assertEqual(eval_code_ex(code, dict(a=1)), 1)
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self.assertRaises(NameError, eval_code_ex, code, {})
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self.assertRaises(SystemError, eval_code_ex, code, UserDict(a=1))
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self.assertRaises(SystemError, eval_code_ex, code, [])
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self.assertRaises(SystemError, eval_code_ex, code, 1)
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# CRASHES eval_code_ex(code, NULL)
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# CRASHES eval_code_ex(1, {})
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# CRASHES eval_code_ex(NULL, {})
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def test_custom_locals(self):
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# Monkey-patch __build_class__ to get a class code object.
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code = None
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def build_class(func, name, /, *bases, **kwds):
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nonlocal code
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code = func.__code__
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with swap_attr(builtins, '__build_class__', build_class):
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class A:
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# Uses LOAD_NAME for a
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r[:] = [a]
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eval_code_ex = _testcapi.eval_code_ex
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results = []
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g = dict(a=1, r=results)
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self.assertIsNone(eval_code_ex(code, g))
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self.assertEqual(results, [1])
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self.assertIsNone(eval_code_ex(code, g, dict(a=2)))
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self.assertEqual(results, [2])
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self.assertIsNone(eval_code_ex(code, g, UserDict(a=3)))
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self.assertEqual(results, [3])
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self.assertIsNone(eval_code_ex(code, g, {}))
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self.assertEqual(results, [1])
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self.assertIsNone(eval_code_ex(code, g, NULL))
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self.assertEqual(results, [1])
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self.assertRaises(TypeError, eval_code_ex, code, g, [])
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self.assertRaises(TypeError, eval_code_ex, code, g, 1)
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self.assertRaises(NameError, eval_code_ex, code, dict(r=results), {})
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self.assertRaises(NameError, eval_code_ex, code, dict(r=results), NULL)
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self.assertRaises(TypeError, eval_code_ex, code, dict(r=results), [])
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self.assertRaises(TypeError, eval_code_ex, code, dict(r=results), 1)
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def test_with_args(self):
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def f(a, b, c):
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return a
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eval_code_ex = _testcapi.eval_code_ex
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code = f.__code__
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self.assertEqual(eval_code_ex(code, {}, {}, (1, 2, 3)), 1)
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self.assertRaises(TypeError, eval_code_ex, code, {}, {}, (1, 2))
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self.assertRaises(TypeError, eval_code_ex, code, {}, {}, (1, 2, 3, 4))
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def test_with_kwargs(self):
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def f(a, b, c):
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return a
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eval_code_ex = _testcapi.eval_code_ex
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code = f.__code__
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self.assertEqual(eval_code_ex(code, {}, {}, (), dict(a=1, b=2, c=3)), 1)
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self.assertRaises(TypeError, eval_code_ex, code, {}, {}, (), dict(a=1, b=2))
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self.assertRaises(TypeError, eval_code_ex, code, {}, {}, (), dict(a=1, b=2))
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self.assertRaises(TypeError, eval_code_ex, code, {}, {}, (), dict(a=1, b=2, c=3, d=4))
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def test_with_default(self):
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def f(a):
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return a
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eval_code_ex = _testcapi.eval_code_ex
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code = f.__code__
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self.assertEqual(eval_code_ex(code, {}, {}, (), {}, (1,)), 1)
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self.assertRaises(TypeError, eval_code_ex, code, {}, {}, (), {}, ())
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def test_with_kwarg_default(self):
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def f(*, a):
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return a
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eval_code_ex = _testcapi.eval_code_ex
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code = f.__code__
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self.assertEqual(eval_code_ex(code, {}, {}, (), {}, (), dict(a=1)), 1)
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self.assertRaises(TypeError, eval_code_ex, code, {}, {}, (), {}, (), {})
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self.assertRaises(TypeError, eval_code_ex, code, {}, {}, (), {}, (), NULL)
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self.assertRaises(SystemError, eval_code_ex, code, {}, {}, (), {}, (), UserDict(a=1))
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self.assertRaises(SystemError, eval_code_ex, code, {}, {}, (), {}, (), [])
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self.assertRaises(SystemError, eval_code_ex, code, {}, {}, (), {}, (), 1)
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def test_with_closure(self):
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a = 1
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b = 2
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def f():
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b
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return a
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eval_code_ex = _testcapi.eval_code_ex
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code = f.__code__
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self.assertEqual(eval_code_ex(code, {}, {}, (), {}, (), {}, f.__closure__), 1)
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self.assertEqual(eval_code_ex(code, {}, {}, (), {}, (), {}, f.__closure__[::-1]), 2)
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# CRASHES eval_code_ex(code, {}, {}, (), {}, (), {}, ()), 1)
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# CRASHES eval_code_ex(code, {}, {}, (), {}, (), {}, NULL), 1)
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if __name__ == "__main__":
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unittest.main()
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