def test_bit_masked_aray():
mask = ak.layout.IndexU8(np.array([0b10101010]))
content = ak.layout.NumpyArray(np.arange(16))
layout = ak.layout.BitMaskedArray(mask, content, False, 8, False)
packed = ak.packed(layout, highlevel=False)
assert ak.to_list(packed) == ak.to_list(layout)
assert len(packed.content) == 8
def test_regular_array():
content = ak.layout.NumpyArray(np.arange(10))
layout = ak.layout.RegularArray(content, 3)
packed = ak.packed(layout, highlevel=False)
assert ak.to_list(packed) == ak.to_list(layout)
assert len(packed.content) == 9
assert packed.size == layout.size
def test_record_array():
a = ak.layout.NumpyArray(np.arange(10))
b = ak.layout.NumpyArray(np.arange(10) * 2 + 4)
layout = ak.layout.RecordArray([a, b], None, 5)
packed = ak.packed(layout, highlevel=False)
assert ak.to_list(packed) == ak.to_list(layout)
assert len(packed.contents[0]) == 5
assert len(packed.contents[1]) == 5
def test_numpy_array():
matrix = np.arange(64).reshape(8, -1)
layout = ak.layout.NumpyArray(matrix[:, 0])
assert not layout.iscontiguous
packed = ak.packed(layout, highlevel=False)
assert ak.to_list(packed) == ak.to_list(layout)
assert packed.iscontiguous
def test_record():
a = ak.layout.NumpyArray(np.arange(10))
b = ak.layout.NumpyArray(np.arange(10) * 2 + 4)
layout = ak.layout.RecordArray([a, b], None, 5)
record = layout[4]
packed = ak.packed(record, highlevel=False)
assert ak.to_list(packed) == ak.to_list(record)
assert len(packed.array) == 1
assert ak.to_list(packed.array) == [(4, 12)]
def test_indexed_array():
index = ak.layout.Index64(np.array([0, 1, 2, 3, 6, 7, 8]))
content = ak.layout.NumpyArray(np.arange(10))
layout = ak.layout.IndexedArray64(index, content)
packed = ak.packed(layout, highlevel=False)
assert ak.to_list(packed) == ak.to_list(layout)
assert isinstance(packed, ak.layout.NumpyArray)
assert len(packed) == len(index)
def test_indexed_option_array():
index = ak.layout.Index64(np.r_[0, -1, 2, -1, 4])
content = ak.layout.NumpyArray(np.arange(8))
layout = ak.layout.IndexedOptionArray64(index, content)
packed = ak.packed(layout, highlevel=False)
assert ak.to_list(layout) == ak.to_list(packed)
assert isinstance(packed, ak.layout.IndexedOptionArray64)
assert np.asarray(packed.index).tolist() == [0, -1, 1, -1, 2]
assert len(packed.content) == 3
def test_list_offset_array():
content = ak.layout.NumpyArray(
np.array([1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9]))
offsets = ak.layout.Index64(np.array([0, 3, 3, 5, 6]))
layout = ak.layout.ListOffsetArray64(offsets, content)
packed = ak.packed(layout, highlevel=False)
assert ak.to_list(packed) == ak.to_list(layout)
assert isinstance(packed, ak.layout.ListOffsetArray64)
assert packed.offsets[0] == 0
assert len(packed.content) == packed.offsets[-1]
def test_byte_masked_array():
mask = ak.layout.Index8(np.array([1, 0, 1, 0, 1, 0, 1, 0]))
content = ak.layout.NumpyArray(np.arange(16))
layout = ak.layout.ByteMaskedArray(
mask,
content,
False,
)
packed = ak.packed(layout, highlevel=False)
assert ak.to_list(packed) == ak.to_list(layout)
assert len(packed.content) == 8
def test_union_array():
a = ak.layout.NumpyArray(np.arange(4))
b = ak.layout.NumpyArray(np.arange(4) + 4)
c = ak.layout.RegularArray(ak.layout.NumpyArray(np.arange(12)), 3)
layout = ak.layout.UnionArray8_64(
ak.layout.Index8([1, 1, 2, 2, 0, 0]),
ak.layout.Index64([0, 1, 0, 1, 0, 1]),
[a, b, c],
)
packed = ak.packed(layout, highlevel=False)
assert ak.to_list(packed) == ak.to_list(layout)
# Check that it merges like contents
assert len(packed.contents) == 2
index_0 = np.asarray(packed.index)[np.asarray(packed.tags) == 0]
assert index_0.tolist() == [0, 1, 2, 3]
def test_partitioned_array():
index_0 = ak.layout.Index64(np.array([0, 1, 2, 3, 6, 7, 8]))
content_0 = ak.layout.NumpyArray(np.arange(10))
content = ak.layout.IndexedArray64(index_0, content_0)
layout = ak.partitioned([content, content], highlevel=False)
packed = ak.packed(layout, highlevel=False)
assert ak.to_list(layout) == ak.to_list(packed)
assert isinstance(packed, ak.partition.PartitionedArray)
assert isinstance(packed.partitions[0], ak.layout.NumpyArray)
assert len(packed.partitions[0]) == len(index_0)
assert isinstance(packed.partitions[1], ak.layout.NumpyArray)
assert len(packed.partitions[1]) == len(index_0)
def test_virtual_array():
n_called = [0]
def generate():
n_called[0] += 1
return ak.layout.NumpyArray(np.array([1.1, 2.2, 3.3, 4.4, 5.5]))
generator = ak.layout.ArrayGenerator(generate,
form=ak.forms.NumpyForm([], 8, "d"),
length=5)
layout = ak.layout.VirtualArray(generator)
assert n_called[0] == 0
packed = ak.packed(layout, highlevel=False)
assert n_called[0] == 1
assert isinstance(packed, ak.layout.NumpyArray)
assert ak.to_list(packed) == ak.to_list(layout)
def test_unmasked_array():
content = ak.layout.NumpyArray(
np.array([1.1, 2.2, 3.3, 4.4, 5.5, 6.6, 7.7, 8.8, 9.9]))
layout = ak.layout.UnmaskedArray(content)
packed = ak.packed(layout, highlevel=False)
assert ak.to_list(packed) == ak.to_list(layout)
def test_empty_array():
layout = ak.layout.EmptyArray()
assert ak.packed(layout, highlevel=False) is layout
def test():
array = ak.from_numpy(np.zeros((1, 0), dtype=np.int32), regulararray=True)
packed = ak.packed(array)
assert ak.to_list(packed) == [[]]
