import unittest

from test import test_support

from _testcapi import getargs_keywords

import warnings

warnings.filterwarnings("ignore",

                        category=DeprecationWarning,

                        message=".*integer argument expected, got float",

                        module=__name__)

warnings.filterwarnings("ignore",

                        category=DeprecationWarning,

                        message=".*integer argument expected, got float",

                        module="unittest")

"""

> 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

# 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.failUnlessEqual(3, getargs_b(3.14))

        self.failUnlessEqual(99, getargs_b(Long()))

        self.failUnlessEqual(99, getargs_b(Int()))

        self.assertRaises(OverflowError, getargs_b, -1)

        self.failUnlessEqual(0, getargs_b(0))

        self.failUnlessEqual(UCHAR_MAX, getargs_b(UCHAR_MAX))

        self.assertRaises(OverflowError, getargs_b, UCHAR_MAX + 1)

        self.failUnlessEqual(42, getargs_b(42))

        self.failUnlessEqual(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.failUnlessEqual(3, getargs_B(3.14))

        self.failUnlessEqual(99, getargs_B(Long()))

        self.failUnlessEqual(99, getargs_B(Int()))

        self.failUnlessEqual(UCHAR_MAX, getargs_B(-1))

        self.failUnlessEqual(UCHAR_MAX, getargs_B(-1L))

        self.failUnlessEqual(0, getargs_B(0))

        self.failUnlessEqual(UCHAR_MAX, getargs_B(UCHAR_MAX))

        self.failUnlessEqual(0, getargs_B(UCHAR_MAX+1))

        self.failUnlessEqual(42, getargs_B(42))

        self.failUnlessEqual(42, getargs_B(42L))

        self.failUnlessEqual(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.failUnlessEqual(3, getargs_H(3.14))

        self.failUnlessEqual(99, getargs_H(Long()))

        self.failUnlessEqual(99, getargs_H(Int()))

        self.failUnlessEqual(USHRT_MAX, getargs_H(-1))

        self.failUnlessEqual(0, getargs_H(0))

        self.failUnlessEqual(USHRT_MAX, getargs_H(USHRT_MAX))

        self.failUnlessEqual(0, getargs_H(USHRT_MAX+1))

        self.failUnlessEqual(42, getargs_H(42))

        self.failUnlessEqual(42, getargs_H(42L))

        self.failUnlessEqual(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.failUnlessEqual(3, getargs_I(3.14))

        self.failUnlessEqual(99, getargs_I(Long()))

        self.failUnlessEqual(99, getargs_I(Int()))

        self.failUnlessEqual(UINT_MAX, getargs_I(-1))

        self.failUnlessEqual(0, getargs_I(0))

        self.failUnlessEqual(UINT_MAX, getargs_I(UINT_MAX))

        self.failUnlessEqual(0, getargs_I(UINT_MAX+1))

        self.failUnlessEqual(42, getargs_I(42))

        self.failUnlessEqual(42, getargs_I(42L))

        self.failUnlessEqual(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.failUnlessEqual(ULONG_MAX, getargs_k(-1))

        self.failUnlessEqual(0, getargs_k(0))

        self.failUnlessEqual(ULONG_MAX, getargs_k(ULONG_MAX))

        self.failUnlessEqual(0, getargs_k(ULONG_MAX+1))

        self.failUnlessEqual(42, getargs_k(42))

        self.failUnlessEqual(42, getargs_k(42L))

        self.failUnlessEqual(VERY_LARGE & ULONG_MAX, getargs_k(VERY_LARGE))

class Signed_TestCase(unittest.TestCase):

    def test_i(self):

        from _testcapi import getargs_i

        # i returns 'int', and does range checking (INT_MIN ... INT_MAX)

        self.failUnlessEqual(3, getargs_i(3.14))

        self.failUnlessEqual(99, getargs_i(Long()))

        self.failUnlessEqual(99, getargs_i(Int()))

        self.assertRaises(OverflowError, getargs_i, INT_MIN-1)

        self.failUnlessEqual(INT_MIN, getargs_i(INT_MIN))

        self.failUnlessEqual(INT_MAX, getargs_i(INT_MAX))

        self.assertRaises(OverflowError, getargs_i, INT_MAX+1)

        self.failUnlessEqual(42, getargs_i(42))

        self.failUnlessEqual(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.failUnlessEqual(3, getargs_l(3.14))

        self.failUnlessEqual(99, getargs_l(Long()))

        self.failUnlessEqual(99, getargs_l(Int()))

        self.assertRaises(OverflowError, getargs_l, LONG_MIN-1)

        self.failUnlessEqual(LONG_MIN, getargs_l(LONG_MIN))

        self.failUnlessEqual(LONG_MAX, getargs_l(LONG_MAX))

        self.assertRaises(OverflowError, getargs_l, LONG_MAX+1)

        self.failUnlessEqual(42, getargs_l(42))

        self.failUnlessEqual(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.failUnlessEqual(3, getargs_n(3.14))

        self.failUnlessEqual(99, getargs_n(Long()))

        self.failUnlessEqual(99, getargs_n(Int()))

        self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MIN-1)

        self.failUnlessEqual(PY_SSIZE_T_MIN, getargs_n(PY_SSIZE_T_MIN))

        self.failUnlessEqual(PY_SSIZE_T_MAX, getargs_n(PY_SSIZE_T_MAX))

        self.assertRaises(OverflowError, getargs_n, PY_SSIZE_T_MAX+1)

        self.failUnlessEqual(42, getargs_n(42))

        self.failUnlessEqual(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)

        self.failUnlessRaises(TypeError, getargs_L, "Hello")

        self.failUnlessEqual(3, getargs_L(3.14))

        self.failUnlessEqual(99, getargs_L(Long()))

        self.failUnlessEqual(99, getargs_L(Int()))

        self.assertRaises(OverflowError, getargs_L, LLONG_MIN-1)

        self.failUnlessEqual(LLONG_MIN, getargs_L(LLONG_MIN))

        self.failUnlessEqual(LLONG_MAX, getargs_L(LLONG_MAX))

        self.assertRaises(OverflowError, getargs_L, LLONG_MAX+1)

        self.failUnlessEqual(42, getargs_L(42))

        self.failUnlessEqual(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.failUnlessEqual(ULLONG_MAX, getargs_K(ULLONG_MAX))

        self.failUnlessEqual(0, getargs_K(0))

        self.failUnlessEqual(0, getargs_K(ULLONG_MAX+1))

        self.failUnlessEqual(42, getargs_K(42))

        self.failUnlessEqual(42, getargs_K(42L))

        self.failUnlessEqual(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.assertEquals(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.assertEquals(

            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.assertEquals(

            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.assertEquals(

            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.assertEquals(

            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.assertEquals(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.assertEquals(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.assertEquals(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()