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✏️ test_arraymethod.py

"""
This file tests the generic aspects of ArrayMethod.  At the time of writing
this is private API, but when added, public API may be added here.
"""

from __future__ import annotations

import sys
import types
from typing import Any

import pytest

import numpy as np
from numpy.core._multiarray_umath import _get_castingimpl as get_castingimpl

class TestResolveDescriptors:
    # Test mainly error paths of the resolve_descriptors function,
    # note that the `casting_unittests` tests exercise this non-error paths.

# Casting implementations are the main/only current user:
    method = get_castingimpl(type(np.dtype("d")), type(np.dtype("f")))

@pytest.mark.parametrize("args", [
        (True,),  # Not a tuple.
        ((None,)),  # Too few elements
        ((None, None, None),),  # Too many
        ((None, None),),  # Input dtype is None, which is invalid.
        ((np.dtype("d"), True),),  # Output dtype is not a dtype
        ((np.dtype("f"), None),),  # Input dtype does not match method
    ])
    def test_invalid_arguments(self, args):
        with pytest.raises(TypeError):
            self.method._resolve_descriptors(*args)

class TestSimpleStridedCall:
    # Test mainly error paths of the resolve_descriptors function,
    # note that the `casting_unittests` tests exercise this non-error paths.

# Casting implementations are the main/only current user:
    method = get_castingimpl(type(np.dtype("d")), type(np.dtype("f")))

@pytest.mark.parametrize(["args", "error"], [
        ((True,), TypeError),  # Not a tuple
        (((None,),), TypeError),  # Too few elements
        ((None, None), TypeError),  # Inputs are not arrays.
        (((None, None, None),), TypeError),  # Too many
        (((np.arange(3), np.arange(3)),), TypeError),  # Incorrect dtypes
        (((np.ones(3, dtype=">d"), np.ones(3, dtype="<f")),),
         TypeError),  # Does not support byte-swapping
        (((np.ones((2, 2), dtype="d"), np.ones((2, 2), dtype="f")),),
         ValueError),  # not 1-D
        (((np.ones(3, dtype="d"), np.ones(4, dtype="f")),),
          ValueError),  # different length
        (((np.frombuffer(b"\0x00"*3*2, dtype="d"),
           np.frombuffer(b"\0x00"*3, dtype="f")),),
         ValueError),  # output not writeable
    ])
    def test_invalid_arguments(self, args, error):
        # This is private API, which may be modified freely
        with pytest.raises(error):
            self.method._simple_strided_call(*args)

@pytest.mark.parametrize(
    "cls", [np.ndarray, np.recarray, np.chararray, np.matrix, np.memmap]
)
class TestClassGetItem:
    def test_class_getitem(self, cls: type[np.ndarray]) -> None:
        """Test `ndarray.__class_getitem__`."""
        alias = cls[Any, Any]
        assert isinstance(alias, types.GenericAlias)
        assert alias.__origin__ is cls

@pytest.mark.parametrize("arg_len", range(4))
    def test_subscript_tup(self, cls: type[np.ndarray], arg_len: int) -> None:
        arg_tup = (Any,) * arg_len
        if arg_len in (1, 2):
            assert cls[arg_tup]
        else:
            match = f"Too {'few' if arg_len == 0 else 'many'} arguments"
            with pytest.raises(TypeError, match=match):
                cls[arg_tup]

Batal

⬅ core 66 item

Nama	Tipe	Ukuran	Diubah	Aksi
📁__pycache__	dir	—	2026-03-11 18:53	📂 Buka
📁data	dir	—	2026-03-11 18:53	📂 Buka
📁examples	dir	—	2026-01-20 12:58	📂 Buka
🐍__init__.py	py	0 B	2026-01-20 12:58	✏️ 👁️
🐍_locales.py	py	2.2 KB	2026-01-20 12:58	✏️ 👁️
🐍test__exceptions.py	py	2.8 KB	2026-01-20 12:58	✏️ 👁️
🐍test_abc.py	py	2.2 KB	2026-01-20 12:58	✏️ 👁️
🐍test_api.py	py	22.5 KB	2026-01-20 12:58	✏️ 👁️
🐍test_argparse.py	py	1.9 KB	2026-01-20 12:58	✏️ 👁️
🐍test_array_coercion.py	py	33.6 KB	2026-01-20 12:58	✏️ 👁️
🐍test_array_interface.py	py	7.4 KB	2026-01-20 12:58	✏️ 👁️
🐍test_arraymethod.py	py	3.2 KB	2026-01-20 12:58	✏️ 👁️
🐍test_arrayprint.py	py	39.5 KB	2026-01-20 12:58	✏️ 👁️
🐍test_casting_floatingpoint_errors.py	py	4.9 KB	2026-01-20 12:58	✏️ 👁️
🐍test_casting_unittests.py	py	33.5 KB	2026-01-20 12:58	✏️ 👁️
🐍test_conversion_utils.py	py	6.4 KB	2026-01-20 12:58	✏️ 👁️
🐍test_cpu_dispatcher.py	py	1.5 KB	2026-01-20 12:58	✏️ 👁️
🐍test_cpu_features.py	py	14.5 KB	2026-01-20 12:58	✏️ 👁️
🐍test_custom_dtypes.py	py	9.2 KB	2026-01-20 12:58	✏️ 👁️
🐍test_cython.py	py	3.5 KB	2026-01-20 12:58	✏️ 👁️
🐍test_datetime.py	py	113.5 KB	2026-01-20 12:58	✏️ 👁️
🐍test_defchararray.py	py	24.4 KB	2026-01-20 12:58	✏️ 👁️
🐍test_deprecations.py	py	30.3 KB	2026-01-20 12:58	✏️ 👁️
🐍test_dlpack.py	py	3.4 KB	2026-01-20 12:58	✏️ 👁️
🐍test_dtype.py	py	73.5 KB	2026-01-20 12:58	✏️ 👁️
🐍test_einsum.py	py	51.7 KB	2026-01-20 12:58	✏️ 👁️
🐍test_errstate.py	py	2.2 KB	2026-01-20 12:58	✏️ 👁️
🐍test_extint128.py	py	5.5 KB	2026-01-20 12:58	✏️ 👁️
🐍test_function_base.py	py	15.2 KB	2026-01-20 12:58	✏️ 👁️
🐍test_getlimits.py	py	6.6 KB	2026-01-20 12:58	✏️ 👁️
🐍test_half.py	py	23.7 KB	2026-01-20 12:58	✏️ 👁️
🐍test_hashtable.py	py	1011 B	2026-01-20 12:58	✏️ 👁️
🐍test_indexerrors.py	py	5 KB	2026-01-20 12:58	✏️ 👁️
🐍test_indexing.py	py	53 KB	2026-01-20 12:58	✏️ 👁️
🐍test_item_selection.py	py	6.3 KB	2026-01-20 12:58	✏️ 👁️
🐍test_limited_api.py	py	1.1 KB	2026-01-20 12:58	✏️ 👁️
🐍test_longdouble.py	py	13.6 KB	2026-01-20 12:58	✏️ 👁️
🐍test_machar.py	py	1 KB	2026-01-20 12:58	✏️ 👁️
🐍test_mem_overlap.py	py	28.4 KB	2026-01-20 12:58	✏️ 👁️
🐍test_mem_policy.py	py	15.6 KB	2026-01-20 12:58	✏️ 👁️
🐍test_memmap.py	py	7.3 KB	2026-01-20 12:58	✏️ 👁️
🐍test_multiarray.py	py	370.4 KB	2026-01-20 12:58	✏️ 👁️
🐍test_nditer.py	py	127.8 KB	2026-01-20 12:58	✏️ 👁️
🐍test_nep50_promotions.py	py	8.6 KB	2026-01-20 12:58	✏️ 👁️
🐍test_numeric.py	py	133.3 KB	2026-01-20 12:58	✏️ 👁️
🐍test_numerictypes.py	py	21.2 KB	2026-01-20 12:58	✏️ 👁️
🐍test_overrides.py	py	25.5 KB	2026-01-20 12:58	✏️ 👁️
🐍test_print.py	py	6.7 KB	2026-01-20 12:58	✏️ 👁️
🐍test_protocols.py	py	1.1 KB	2026-01-20 12:58	✏️ 👁️
🐍test_records.py	py	19.8 KB	2026-01-20 12:58	✏️ 👁️
🐍test_regression.py	py	89.3 KB	2026-01-20 12:58	✏️ 👁️
🐍test_scalar_ctors.py	py	6 KB	2026-01-20 12:58	✏️ 👁️
🐍test_scalar_methods.py	py	7.4 KB	2026-01-20 12:58	✏️ 👁️
🐍test_scalarbuffer.py	py	5.4 KB	2026-01-20 12:58	✏️ 👁️
🐍test_scalarinherit.py	py	2.3 KB	2026-01-20 12:58	✏️ 👁️
🐍test_scalarmath.py	py	41.9 KB	2026-01-20 12:58	✏️ 👁️
🐍test_scalarprint.py	py	18.3 KB	2026-01-20 12:58	✏️ 👁️
🐍test_shape_base.py	py	29 KB	2026-01-20 12:58	✏️ 👁️
🐍test_simd.py	py	47.6 KB	2026-01-20 12:58	✏️ 👁️
🐍test_simd_module.py	py	3.7 KB	2026-01-20 12:58	✏️ 👁️
🐍test_strings.py	py	3.7 KB	2026-01-20 12:58	✏️ 👁️
🐍test_ufunc.py	py	121.2 KB	2026-01-20 12:58	✏️ 👁️
🐍test_umath.py	py	180.8 KB	2026-01-20 12:58	✏️ 👁️
🐍test_umath_accuracy.py	py	3.8 KB	2026-01-20 12:58	✏️ 👁️
🐍test_umath_complex.py	py	22.7 KB	2026-01-20 12:58	✏️ 👁️
🐍test_unicode.py	py	12.5 KB	2026-01-20 12:58	✏️ 👁️

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