| import unittest |
| from test import test_support |
| from _testcapi import getargs_keywords |
| import warnings |
| |
| """ |
| > How about the following counterproposal. This also changes some of |
| > the other format codes to be a little more regular. |
| > |
| > Code C type Range check |
| > |
| > b unsigned char 0..UCHAR_MAX |
| > h signed short SHRT_MIN..SHRT_MAX |
| > B unsigned char none ** |
| > H unsigned short none ** |
| > k * unsigned long none |
| > I * unsigned int 0..UINT_MAX |
| |
| |
| > i int INT_MIN..INT_MAX |
| > l long LONG_MIN..LONG_MAX |
| |
| > K * unsigned long long none |
| > L long long LLONG_MIN..LLONG_MAX |
| |
| > Notes: |
| > |
| > * New format codes. |
| > |
| > ** Changed from previous "range-and-a-half" to "none"; the |
| > range-and-a-half checking wasn't particularly useful. |
| |
| Plus a C API or two, e.g. PyInt_AsLongMask() -> |
| unsigned long and PyInt_AsLongLongMask() -> unsigned |
| long long (if that exists). |
| """ |
| |
| LARGE = 0x7FFFFFFF |
| VERY_LARGE = 0xFF0000121212121212121242L |
| |
| from _testcapi import UCHAR_MAX, USHRT_MAX, UINT_MAX, ULONG_MAX, INT_MAX, \ |
| INT_MIN, LONG_MIN, LONG_MAX, PY_SSIZE_T_MIN, PY_SSIZE_T_MAX, \ |
| SHRT_MIN, SHRT_MAX |
| |
| # fake, they are not defined in Python's header files |
| LLONG_MAX = 2**63-1 |
| LLONG_MIN = -2**63 |
| ULLONG_MAX = 2**64-1 |
| |
| class Long: |
| def __int__(self): |
| return 99L |
| |
| class Int: |
| def __int__(self): |
| return 99 |
| |
| class Unsigned_TestCase(unittest.TestCase): |
| def test_b(self): |
| from _testcapi import getargs_b |
| # b returns 'unsigned char', and does range checking (0 ... UCHAR_MAX) |
| self.assertRaises(TypeError, getargs_b, 3.14) |
| self.assertEqual(99, getargs_b(Long())) |
| self.assertEqual(99, getargs_b(Int())) |
| |
| self.assertRaises(OverflowError, getargs_b, -1) |
| self.assertEqual(0, getargs_b(0)) |
| self.assertEqual(UCHAR_MAX, getargs_b(UCHAR_MAX)) |
| self.assertRaises(OverflowError, getargs_b, UCHAR_MAX + 1) |
| |
| self.assertEqual(42, getargs_b(42)) |
| self.assertEqual(42, getargs_b(42L)) |
| self.assertRaises(OverflowError, getargs_b, VERY_LARGE) |
| |
| def test_B(self): |
| from _testcapi import getargs_B |
| # B returns 'unsigned char', no range checking |
| self.assertRaises(TypeError, getargs_B, 3.14) |
| self.assertEqual(99, getargs_B(Long())) |
| self.assertEqual(99, getargs_B(Int())) |
| |
| self.assertEqual(UCHAR_MAX, getargs_B(-1)) |
| self.assertEqual(UCHAR_MAX, getargs_B(-1L)) |
| self.assertEqual(0, getargs_B(0)) |
| self.assertEqual(UCHAR_MAX, getargs_B(UCHAR_MAX)) |
| self.assertEqual(0, getargs_B(UCHAR_MAX+1)) |
| |
| self.assertEqual(42, getargs_B(42)) |
| self.assertEqual(42, getargs_B(42L)) |
| self.assertEqual(UCHAR_MAX & VERY_LARGE, getargs_B(VERY_LARGE)) |
| |
| def test_H(self): |
| from _testcapi import getargs_H |
| # H returns 'unsigned short', no range checking |
| self.assertRaises(TypeError, getargs_H, 3.14) |
| self.assertEqual(99, getargs_H(Long())) |
| self.assertEqual(99, getargs_H(Int())) |
| |
| self.assertEqual(USHRT_MAX, getargs_H(-1)) |
| self.assertEqual(0, getargs_H(0)) |
| self.assertEqual(USHRT_MAX, getargs_H(USHRT_MAX)) |
| self.assertEqual(0, getargs_H(USHRT_MAX+1)) |
| |
| self.assertEqual(42, getargs_H(42)) |
| self.assertEqual(42, getargs_H(42L)) |
| |
| self.assertEqual(VERY_LARGE & USHRT_MAX, getargs_H(VERY_LARGE)) |
| |
| def test_I(self): |
| from _testcapi import getargs_I |
| # I returns 'unsigned int', no range checking |
| self.assertRaises(TypeError, getargs_I, 3.14) |
| self.assertEqual(99, getargs_I(Long())) |
| self.assertEqual(99, getargs_I(Int())) |
| |
| self.assertEqual(UINT_MAX, getargs_I(-1)) |
| self.assertEqual(0, getargs_I(0)) |
| self.assertEqual(UINT_MAX, getargs_I(UINT_MAX)) |
| self.assertEqual(0, getargs_I(UINT_MAX+1)) |
| |
| self.assertEqual(42, getargs_I(42)) |
| self.assertEqual(42, getargs_I(42L)) |
| |
| self.assertEqual(VERY_LARGE & UINT_MAX, getargs_I(VERY_LARGE)) |
| |
| def test_k(self): |
| from _testcapi import getargs_k |
| # k returns 'unsigned long', no range checking |
| # it does not accept float, or instances with __int__ |
| self.assertRaises(TypeError, getargs_k, 3.14) |
| self.assertRaises(TypeError, getargs_k, Long()) |
| self.assertRaises(TypeError, getargs_k, Int()) |
| |
| self.assertEqual(ULONG_MAX, getargs_k(-1)) |
| self.assertEqual(0, getargs_k(0)) |
| self.assertEqual(ULONG_MAX, getargs_k(ULONG_MAX)) |
| self.assertEqual(0, getargs_k(ULONG_MAX+1)) |
| |
| self.assertEqual(42, getargs_k(42)) |
| self.assertEqual(42, getargs_k(42L)) |
| |
| self.assertEqual(VERY_LARGE & ULONG_MAX, getargs_k(VERY_LARGE)) |
| |
| class Signed_TestCase(unittest.TestCase): |
| def test_h(self): |
| from _testcapi import getargs_h |
| # h returns 'short', and does range checking (SHRT_MIN ... SHRT_MAX) |
| self.assertRaises(TypeError, getargs_h, 3.14) |
| self.assertEqual(99, getargs_h(Long())) |
| self.assertEqual(99, getargs_h(Int())) |
| |
| self.assertRaises(OverflowError, getargs_h, SHRT_MIN-1) |
| self.assertEqual(SHRT_MIN, getargs_h(SHRT_MIN)) |
| self.assertEqual(SHRT_MAX, getargs_h(SHRT_MAX)) |
| self.assertRaises(OverflowError, getargs_h, SHRT_MAX+1) |
| |
| self.assertEqual(42, getargs_h(42)) |
| self.assertEqual(42, getargs_h(42L)) |
| self.assertRaises(OverflowError, getargs_h, VERY_LARGE) |
| |
| def test_i(self): |
| from _testcapi import getargs_i |
| # i returns 'int', and does range checking (INT_MIN ... INT_MAX) |
| self.assertRaises(TypeError, getargs_i, 3.14) |
| self.assertEqual(99, getargs_i(Long())) |
| self.assertEqual(99, getargs_i(Int())) |
| |
| self.assertRaises(OverflowError, getargs_i, INT_MIN-1) |
| self.assertEqual(INT_MIN, getargs_i(INT_MIN)) |
| self.assertEqual(INT_MAX, getargs_i(INT_MAX)) |
| self.assertRaises(OverflowError, getargs_i, INT_MAX+1) |
| |
| self.assertEqual(42, getargs_i(42)) |
| self.assertEqual(42, getargs_i(42L)) |
| self.assertRaises(OverflowError, getargs_i, VERY_LARGE) |
| |
| def test_l(self): |
| from _testcapi import getargs_l |
| # l returns 'long', and does range checking (LONG_MIN ... LONG_MAX) |
| self.assertRaises(TypeError, getargs_l, 3.14) |
| self.assertEqual(99, getargs_l(Long())) |
| self.assertEqual(99, getargs_l(Int())) |
| |
| self.assertRaises(OverflowError, getargs_l, LONG_MIN-1) |
| self.assertEqual(LONG_MIN, getargs_l(LONG_MIN)) |
| self.assertEqual(LONG_MAX, getargs_l(LONG_MAX)) |
| self.assertRaises(OverflowError, getargs_l, LONG_MAX+1) |
| |
| self.assertEqual(42, getargs_l(42)) |
| self.assertEqual(42, getargs_l(42L)) |
| self.assertRaises(OverflowError, getargs_l, VERY_LARGE) |
| |
| def test_n(self): |
| from _testcapi import getargs_n |
| # n returns 'Py_ssize_t', and does range checking |
| # (PY_SSIZE_T_MIN ... PY_SSIZE_T_MAX) |
| self.assertRaises(TypeError, getargs_n, 3.14) |
| self.assertEqual(99, getargs_n(Long())) |
| self.assertEqual(99, getargs_n(Int())) |
| |
| self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MIN-1) |
| self.assertEqual(PY_SSIZE_T_MIN, getargs_n(PY_SSIZE_T_MIN)) |
| self.assertEqual(PY_SSIZE_T_MAX, getargs_n(PY_SSIZE_T_MAX)) |
| self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MAX+1) |
| |
| self.assertEqual(42, getargs_n(42)) |
| self.assertEqual(42, getargs_n(42L)) |
| self.assertRaises(OverflowError, getargs_n, VERY_LARGE) |
| |
| |
| class LongLong_TestCase(unittest.TestCase): |
| def test_L(self): |
| from _testcapi import getargs_L |
| # L returns 'long long', and does range checking (LLONG_MIN |
| # ... LLONG_MAX) |
| with warnings.catch_warnings(): |
| warnings.filterwarnings( |
| "ignore", |
| category=DeprecationWarning, |
| message=".*integer argument expected, got float", |
| module=__name__) |
| self.assertEqual(3, getargs_L(3.14)) |
| with warnings.catch_warnings(): |
| warnings.filterwarnings( |
| "error", |
| category=DeprecationWarning, |
| message=".*integer argument expected, got float", |
| module="unittest") |
| self.assertRaises(DeprecationWarning, getargs_L, 3.14) |
| |
| self.assertRaises(TypeError, getargs_L, "Hello") |
| self.assertEqual(99, getargs_L(Long())) |
| self.assertEqual(99, getargs_L(Int())) |
| |
| self.assertRaises(OverflowError, getargs_L, LLONG_MIN-1) |
| self.assertEqual(LLONG_MIN, getargs_L(LLONG_MIN)) |
| self.assertEqual(LLONG_MAX, getargs_L(LLONG_MAX)) |
| self.assertRaises(OverflowError, getargs_L, LLONG_MAX+1) |
| |
| self.assertEqual(42, getargs_L(42)) |
| self.assertEqual(42, getargs_L(42L)) |
| self.assertRaises(OverflowError, getargs_L, VERY_LARGE) |
| |
| def test_K(self): |
| from _testcapi import getargs_K |
| # K return 'unsigned long long', no range checking |
| self.assertRaises(TypeError, getargs_K, 3.14) |
| self.assertRaises(TypeError, getargs_K, Long()) |
| self.assertRaises(TypeError, getargs_K, Int()) |
| self.assertEqual(ULLONG_MAX, getargs_K(ULLONG_MAX)) |
| self.assertEqual(0, getargs_K(0)) |
| self.assertEqual(0, getargs_K(ULLONG_MAX+1)) |
| |
| self.assertEqual(42, getargs_K(42)) |
| self.assertEqual(42, getargs_K(42L)) |
| |
| self.assertEqual(VERY_LARGE & ULLONG_MAX, getargs_K(VERY_LARGE)) |
| |
| |
| class Tuple_TestCase(unittest.TestCase): |
| def test_tuple(self): |
| from _testcapi import getargs_tuple |
| |
| ret = getargs_tuple(1, (2, 3)) |
| self.assertEqual(ret, (1,2,3)) |
| |
| # make sure invalid tuple arguments are handled correctly |
| class seq: |
| def __len__(self): |
| return 2 |
| def __getitem__(self, n): |
| raise ValueError |
| self.assertRaises(TypeError, getargs_tuple, 1, seq()) |
| |
| class Keywords_TestCase(unittest.TestCase): |
| def test_positional_args(self): |
| # using all positional args |
| self.assertEqual( |
| getargs_keywords((1,2), 3, (4,(5,6)), (7,8,9), 10), |
| (1, 2, 3, 4, 5, 6, 7, 8, 9, 10) |
| ) |
| def test_mixed_args(self): |
| # positional and keyword args |
| self.assertEqual( |
| getargs_keywords((1,2), 3, (4,(5,6)), arg4=(7,8,9), arg5=10), |
| (1, 2, 3, 4, 5, 6, 7, 8, 9, 10) |
| ) |
| def test_keyword_args(self): |
| # all keywords |
| self.assertEqual( |
| getargs_keywords(arg1=(1,2), arg2=3, arg3=(4,(5,6)), arg4=(7,8,9), arg5=10), |
| (1, 2, 3, 4, 5, 6, 7, 8, 9, 10) |
| ) |
| def test_optional_args(self): |
| # missing optional keyword args, skipping tuples |
| self.assertEqual( |
| getargs_keywords(arg1=(1,2), arg2=3, arg5=10), |
| (1, 2, 3, -1, -1, -1, -1, -1, -1, 10) |
| ) |
| def test_required_args(self): |
| # required arg missing |
| try: |
| getargs_keywords(arg1=(1,2)) |
| except TypeError, err: |
| self.assertEqual(str(err), "Required argument 'arg2' (pos 2) not found") |
| else: |
| self.fail('TypeError should have been raised') |
| def test_too_many_args(self): |
| try: |
| getargs_keywords((1,2),3,(4,(5,6)),(7,8,9),10,111) |
| except TypeError, err: |
| self.assertEqual(str(err), "function takes at most 5 arguments (6 given)") |
| else: |
| self.fail('TypeError should have been raised') |
| def test_invalid_keyword(self): |
| # extraneous keyword arg |
| try: |
| getargs_keywords((1,2),3,arg5=10,arg666=666) |
| except TypeError, err: |
| self.assertEqual(str(err), "'arg666' is an invalid keyword argument for this function") |
| else: |
| self.fail('TypeError should have been raised') |
| |
| def test_main(): |
| tests = [Signed_TestCase, Unsigned_TestCase, Tuple_TestCase, Keywords_TestCase] |
| try: |
| from _testcapi import getargs_L, getargs_K |
| except ImportError: |
| pass # PY_LONG_LONG not available |
| else: |
| tests.append(LongLong_TestCase) |
| test_support.run_unittest(*tests) |
| |
| if __name__ == "__main__": |
| test_main() |
