from dataclasses import dataclass

import pytest
from pytest import param

import resolve_name

mapping = {"key1": "value1", "dict-key": {"dict-key-key1": "value2-1"}}


@dataclass
class SimpleObj:
    """An object for testing."""

    dict_attr: dict
    list_attr: list

    @property
    def exc(self):
        return self._notavailable


test_obj = SimpleObj(dict_attr=mapping, list_attr=["a", "b", "c", "d"])


@pytest.mark.parametrize(
    ["name", "data", "expected"],
    [
        param("key1", mapping, "value1", id="simple mapping"),
        param("dict-key.dict-key-key1", mapping, "value2-1", id="nested mapping"),
        param("dict_attr", test_obj, mapping, id="attribute lookup"),
        param("list_attr.2", test_obj, "c", id="list lookup"),
    ],
)
def test_resolve_name(name, data, expected):
    """Test the resolve_name method gets the correct values."""
    assert resolve_name.resolve_name(data, name) == expected


def test_resolve_name_default():
    """Test a default value."""
    assert resolve_name.resolve_name(mapping, "key3", default="default") == "default"


def test_resolve_name_property_error():
    """An error in a property returns default."""
    assert resolve_name.resolve_name(test_obj, "exc", default="default") == "default"