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63 lines
1.5 KiB
Python
63 lines
1.5 KiB
Python
import sys
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import pytest
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from pybind11_tests import numpy_scalars as m
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np = pytest.importorskip("numpy")
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SCALAR_TYPES = dict(
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[
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(np.bool_, False),
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(np.int8, -7),
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(np.int16, -15),
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(np.int32, -31),
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(np.int64, -63),
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(np.uint8, 9),
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(np.uint16, 17),
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(np.uint32, 33),
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(np.uint64, 65),
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(np.single, 1.125),
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(np.double, 1.25),
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(np.complex64, 1 - 0.125j),
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(np.complex128, 1 - 0.25j),
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]
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)
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ALL_TYPES = [int, bool, float, bytes, str] + list(SCALAR_TYPES)
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def type_name(tp):
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try:
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return tp.__name__.rstrip("_")
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except BaseException:
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# no numpy
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return str(tp)
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@pytest.fixture(scope="module", params=list(SCALAR_TYPES), ids=type_name)
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def scalar_type(request):
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return request.param
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def expected_signature(tp):
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s = "str" if sys.version_info[0] >= 3 else "unicode"
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t = type_name(tp)
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return "test_{t}(x: {t}) -> Tuple[{s}, {t}]\n".format(s=s, t=t)
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def test_numpy_scalars(scalar_type):
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expected = SCALAR_TYPES[scalar_type]
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name = type_name(scalar_type)
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func = getattr(m, "test_" + name)
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assert func.__doc__ == expected_signature(scalar_type)
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for tp in ALL_TYPES:
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value = tp(1)
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if tp is scalar_type:
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result = func(value)
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assert result[0] == name
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assert isinstance(result[1], tp)
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assert result[1] == tp(expected)
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else:
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with pytest.raises(TypeError):
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func(value)
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