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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import numpy as np
import pytest
import awkward as ak
def test_dtype():
assert not ak.almost_equal(
np.array([1, 2, 3], dtype=np.int64),
np.array([1, 2, 3], dtype=np.int8),
dtype_exact=True,
)
assert ak.almost_equal(
np.array([1, 2, 3], dtype=np.int64),
np.array([1, 2, 3], dtype=np.int8),
dtype_exact=False,
)
assert not ak.almost_equal([1, 2, 3], ["1", "2", "3"], dtype_exact=False)
assert not ak.almost_equal([1, 2, 3], ["1", "2", "3"], dtype_exact=True)
assert not ak.almost_equal(
np.array([1, 2, 3], dtype=np.int64),
np.array([1, 2, 3], dtype=np.timedelta64),
dtype_exact=True,
)
assert not ak.almost_equal(
np.array([1, 2, 3], dtype=np.dtype("<M8[D]")),
np.array([1, 2, 3], dtype=np.dtype("<m8[D]")),
dtype_exact=True,
)
assert not ak.almost_equal(
np.array([1, 2, 3], dtype=np.dtype("<M8[D]")),
np.array([1, 2, 3], dtype=np.dtype("<m8[D]")),
dtype_exact=False,
)
def test_regular():
array = ak.Array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
assert ak.almost_equal(array, array, check_regular=True)
assert ak.almost_equal(array, array, check_regular=False)
assert not ak.almost_equal(array, ak.to_regular(array), check_regular=True)
assert ak.almost_equal(array, ak.to_regular(array), check_regular=False)
# Strided to product `ListArray`
list_array = array[::1]
assert isinstance(list_array.layout, ak.contents.ListArray)
assert ak.almost_equal(array, list_array, check_regular=False)
assert ak.almost_equal(array, list_array, check_regular=True)
assert not ak.almost_equal(list_array, ak.to_regular(array), check_regular=True)
assert ak.almost_equal(list_array, ak.to_regular(array), check_regular=False)
numpy_array = ak.from_numpy(ak.to_numpy(array), regulararray=False)
assert ak.almost_equal(numpy_array, ak.to_regular(array), check_regular=True)
assert ak.almost_equal(numpy_array, ak.to_regular(array), check_regular=False)
assert not ak.almost_equal(numpy_array, array, check_regular=True)
assert ak.almost_equal(numpy_array, array, check_regular=False)
def test_parameters():
array = ak.with_parameter([1, 2, 3], "name", "Bob Dylan")
assert not ak.almost_equal(array, [1, 2, 3])
assert ak.almost_equal(array, [1, 2, 3], check_parameters=False)
array_other = ak.with_parameter(array, "name", "Emmy Noether")
assert not ak.almost_equal(array, array_other)
assert ak.almost_equal(array, array_other, check_parameters=False)
def test_option():
array = ak.Array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
masked_array = array.mask[[True, False, False]]
alternative_array = ak.Array([[1, 2, 3], [9, 10, 11], [12, 13, 14]])
alternative_masked_array = alternative_array.mask[[True, False, False]]
assert isinstance(masked_array.layout, ak.contents.ByteMaskedArray)
assert not ak.almost_equal(array, alternative_array)
assert ak.almost_equal(masked_array, alternative_masked_array)
masked_array_indexed = masked_array.layout.to_IndexedOptionArray64()
alternative_masked_array_indexed = (
alternative_masked_array.layout.to_IndexedOptionArray64()
)
assert ak.almost_equal(masked_array, alternative_masked_array_indexed)
assert ak.almost_equal(masked_array_indexed, alternative_masked_array_indexed)
def test_record():
array = ak.Array([{"x": 1}, {"x": 2}])
assert not ak.almost_equal(array, [{"x": 1}, {"x": 3}])
assert not ak.almost_equal(array, [{"x": 1}])
assert not ak.almost_equal(array, [{"x": 1}, {"x": 2.0}])
assert ak.almost_equal(array, [{"x": 1}, {"x": 2}])
def test_union():
array = ak.Array([{"x": 1}, {"y": 2}])
assert not ak.almost_equal(array, [{"x": 1}, {"y": 3}])
assert not ak.almost_equal(array, [{"x": 1}])
assert not ak.almost_equal(array, [{"x": 1}, {"y": 2.0}])
assert ak.almost_equal(array, [{"x": 1}, {"y": 2}])
def test_empty():
array = ak.Array([])
assert not ak.almost_equal(array, [{"x": 1}, {"y": 3}])
assert not ak.almost_equal(array, [1])
assert not ak.almost_equal(array, ["hello"])
assert not ak.almost_equal(array, [False, False])
assert ak.almost_equal(array, ak.contents.EmptyArray())
def test_behavior():
class CustomList(ak.Array): ...
behavior = {"custom_list": CustomList}
array = ak.with_parameter([[1, 2, 3]], "__list__", "custom_list", behavior=behavior)
other_array = ak.with_parameter([[1, 2, 3]], "__list__", "custom_list")
assert not ak.almost_equal(array, other_array)
assert ak.almost_equal(array, other_array, check_parameters=False)
another_array = ak.Array([[1, 2, 3]], behavior=behavior)
assert not ak.almost_equal(array, another_array)
assert not ak.almost_equal(other_array, another_array)
def test_ragged():
# single jagged array
a = ak.Array([[1], [2, 3]])
b = ak.Array([[1], [2, 3]])
assert ak.almost_equal(a, b)
# double jagged array
a = ak.Array([[[1], [2, 3]], [[4, 5], [6]]])
b = ak.Array([[[1], [2, 3]], [[4, 5], [6]]])
assert ak.almost_equal(a, b)
# different index same content
a = ak.Array([[1], [2, 3]])
b = ak.Array([[1, 2], [3]])
assert not ak.almost_equal(a, b)
# different outer index, same inner index
a = ak.Array([[[], [1]], [[], [0]]])
b = ak.Array([[[], [1], []], [[0]]])
assert not ak.almost_equal(a, b)
# same outer index, different inner index
a = ak.Array([[[0, 1], [1]], [[0], []]])
b = ak.Array([[[0], [1, 1]], [[], [0]]])
assert not ak.almost_equal(a, b)
# nested
a = ak.Array([[[[]], [[0, 1], [1]]], [[[0]], [[]]]])
b = ak.Array([[[[0]], [[1], [1]]], [[[]], [[0]]]])
assert not ak.almost_equal(a, b)
def test_empty_outer_ragged():
array = ak.Array([[1]])[0:0]
assert not ak.almost_equal(array, [])
assert ak.almost_equal(array, array)
def test_numpy_array():
left = np.arange(2 * 3 * 4, dtype=np.int64).reshape(4, 3, 2)
right = np.arange(2 * 3 * 4, dtype=np.int64).reshape(2, 3, 4)
assert not ak.almost_equal(left, right)
assert ak.almost_equal(left, left)
def test_typetracer():
array = ak.Array([[[1, 2, 3]], [[5, 4]]], backend="typetracer")
with pytest.raises(NotImplementedError):
ak.almost_equal(array, 2 * array)
def test_indexed():
assert ak.almost_equal(
ak.contents.ListOffsetArray(
ak.index.Index64([0, 2, 4, 8]),
ak.contents.IndexedArray(
ak.index.Index64([0, 1, 2, 3, 2, 1, 0, 5]),
ak.contents.NumpyArray(np.arange(6, dtype=np.int64)),
),
),
ak.contents.ListOffsetArray(
ak.index.Index64([0, 2, 4, 8]),
ak.contents.NumpyArray(np.array([0, 1, 2, 3, 2, 1, 0, 5], dtype=np.int64)),
),
)
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