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# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
from __future__ import annotations
import pytest
import awkward as ak
def test_one_level_record():
base = ak.zip(
{"x": [1, 2, 3], "y": [8, 9, 10]},
)
assert ak.without_field(base, where=["x"]).to_list() == [
{"y": 8},
{"y": 9},
{"y": 10},
]
assert ak.fields(base) == ["x", "y"]
del base["x"]
assert base.to_list() == [
{"y": 8},
{"y": 9},
{"y": 10},
]
def test_one_level_tuple():
base = ak.zip(
[[1, 2, 3], [8, 9, 10]],
)
assert ak.without_field(base, where=["0"]).to_list() == [
(8,),
(9,),
(10,),
]
assert ak.fields(base) == ["0", "1"]
del base["0"]
assert base.to_list() == [
(8,),
(9,),
(10,),
]
def test_two_level_record():
base = ak.zip(
{"a": ak.zip({"x": [1, 2, 3], "y": [8, 9, 10]}), "b": [1, 2, 3]},
depth_limit=1,
)
assert ak.without_field(base, where=["a", "x"]).to_list() == [
{"b": 1, "a": {"y": 8}},
{"b": 2, "a": {"y": 9}},
{"b": 3, "a": {"y": 10}},
]
assert ak.fields(base) == ["a", "b"]
assert ak.fields(base["a"]) == ["x", "y"]
del base["a", "x"]
assert base.to_list() == [
{"b": 1, "a": {"y": 8}},
{"b": 2, "a": {"y": 9}},
{"b": 3, "a": {"y": 10}},
]
def test_two_level_tuple():
base = ak.zip(
[ak.zip([[1, 2, 3], [8, 9, 10]]), [1, 2, 3]],
depth_limit=1,
)
assert ak.without_field(base, where=["0", "0"]).to_list() == [
((8,), 1),
((9,), 2),
((10,), 3),
]
assert ak.fields(base) == ["0", "1"]
assert ak.fields(base["0"]) == ["0", "1"]
del base["0", "0"]
assert base.to_list() == [
((8,), 1),
((9,), 2),
((10,), 3),
]
def test_two_level_mixed():
base = ak.zip(
[ak.zip({"x": [1, 2, 3], "y": [8, 9, 10]}), [1, 2, 3]],
depth_limit=1,
)
assert ak.without_field(base, where=["0", "x"]).to_list() == [
({"y": 8}, 1),
({"y": 9}, 2),
({"y": 10}, 3),
]
assert ak.fields(base) == ["0", "1"]
assert ak.fields(base["0"]) == ["x", "y"]
del base["0", "x"]
assert base.to_list() == [
({"y": 8}, 1),
({"y": 9}, 2),
({"y": 10}, 3),
]
def test_one_level_delete_the_only_field():
base = ak.zip({"x": [1, 2, 3]})
assert ak.without_field(base, where=["x"]).to_list() == [
{},
{},
{},
]
assert ak.fields(base) == ["x"]
del base["x"]
assert base.to_list() == [
{},
{},
{},
]
def test_two_level_delete_the_only_field():
base = ak.zip({"a": ak.zip({"x": [1, 2, 3]})}, depth_limit=1)
assert ak.without_field(base, where=["a", "x"]).to_list() == [
{"a": {}},
{"a": {}},
{"a": {}},
]
assert ak.fields(base) == ["a"]
del base["a", "x"]
assert base.to_list() == [
{"a": {}},
{"a": {}},
{"a": {}},
]
def test_check_no_fields():
base = ak.zip({"a": ak.zip({"x": [1, 2, 3]})}, depth_limit=1)
with pytest.raises(IndexError, match=r"no field"):
ak.without_field(base, "x")
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