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# (C) Copyright 2025- ECMWF.
#
# This software is licensed under the terms of the Apache Licence Version 2.0
# which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
# In applying this licence, ECMWF does not waive the privileges and immunities
# granted to it by virtue of its status as an intergovernmental organisation nor
# does it submit to any jurisdiction.
import numpy as np
import itertools
from pychunked_data_view import (
AxisDefinition,
ChunkedDataViewBuilder,
ExtractorType,
)
def test_axis_definition_can_construct():
obj = AxisDefinition(["key1", "key0"], False)
assert obj.keys == ["key1", "key0"]
assert obj.chunked is False
def test_axis_definition_can_assign():
obj = AxisDefinition(["key1", "key0"], False)
assert obj.keys == ["key1", "key0"]
assert obj.chunked is False
obj.keys = []
assert obj.keys == []
obj.chunked = True
assert obj.chunked is True
def test_builder(read_only_fdb_setup):
builder = ChunkedDataViewBuilder(read_only_fdb_setup)
builder.add_part(
"type=an,"
"class=ea,"
"domain=g,"
"expver=0001,"
"stream=oper,"
"date=2020-01-01/to/2020-01-04,"
"levtype=sfc,"
"step=0,"
"param=167/131/132,"
"time=0/to/21/by/3",
[AxisDefinition(["date", "time"], True), AxisDefinition(["param"], True)],
ExtractorType.GRIB,
)
view = builder.build()
expected = list(range(0, 5248))
for a, b in itertools.product(range(0, 32), range(0, 3)):
np.testing.assert_array_almost_equal_nulp(view.at((a, b, 0)), expected)
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