from sqlite_utils import utils
import pytest


@pytest.mark.parametrize(
    "input,expected,should_be_is",
    [
        ({}, None, True),
        ({"foo": "bar"}, None, True),
        (
            {"content": {"$base64": True, "encoded": "aGVsbG8="}},
            {"content": b"hello"},
            False,
        ),
    ],
)
def test_decode_base64_values(input, expected, should_be_is):
    actual = utils.decode_base64_values(input)
    if should_be_is:
        assert actual is input
    else:
        assert actual == expected


@pytest.mark.parametrize(
    "size,expected",
    (
        (1, [["a"], ["b"], ["c"], ["d"]]),
        (2, [["a", "b"], ["c", "d"]]),
        (3, [["a", "b", "c"], ["d"]]),
        (4, [["a", "b", "c", "d"]]),
    ),
)
def test_chunks(size, expected):
    input = ["a", "b", "c", "d"]
    chunks = list(map(list, utils.chunks(input, size)))
    assert chunks == expected


def test_hash_record():
    expected = "d383e7c0ba88f5ffcdd09be660de164b3847401a"
    assert utils.hash_record({"name": "Cleo", "twitter": "CleoPaws"}) == expected
    assert (
        utils.hash_record(
            {"name": "Cleo", "twitter": "CleoPaws", "age": 7}, keys=("name", "twitter")
        )
        == expected
    )
    assert (
        utils.hash_record({"name": "Cleo", "twitter": "CleoPaws", "age": 7}) != expected
    )