# Copyright (C) 2024, UChicago Argonne, LLC
# Licensed under the 3-clause BSD license.  See accompanying LICENSE.txt file
# in the top-level directory.
import operator

from Octeres.data import partial_arg_kw, merge_dictionaries


def test_merge_dictionaries_00():
    dct_a = dict(a=1, b=2, e=5)
    dct_b = dict(c=3, d=4)
    dct_c = dict(a=1, b=2, c=3, d=4, e=5)
    assert merge_dictionaries(dct_a, dct_b, None, lambda a, b: b) == dct_c

    dct_a = dict(a=1, b=2, e=5)
    dct_b = dict(c=3, b=123, d=4)
    dct_c = dict(a=1, b=123, c=3, d=4, e=5)
    assert merge_dictionaries(dct_a, dct_b, None, lambda a, b: b) == dct_c
    dct_c2 = dict(a=1, b=2, c=None, d=None, e=5)  # odd case, left gets from dct_a.get(c, None) and returns a which is None
    assert merge_dictionaries(dct_a, dct_b, None, lambda a, b: a) == dct_c2
    dct_c3 = dict(a=1, b=125, c=3, d=4, e=5)
    assert merge_dictionaries(dct_a, dct_b, 0, operator.add) == dct_c3
    dct_c4 = dict(a=1, b=125, c=13, d=14, e=5)
    assert merge_dictionaries(dct_a, dct_b, 10, operator.add) == dct_c4


def test_partial_arg_kw_00():
    def func(a, b, c, d=1):
        return a, b, c, d

    func2 = partial_arg_kw(func, 10, d=2)
    result = func2(3, 4)
    assert result == (10, 3, 4, 2)