# SPDX-FileCopyrightText: 2025 2025
# SPDX-FileContributor: Gergely Polonkai
#
# SPDX-License-Identifier: GPL-3.0-or-later
"""Tests for the Random Choice Oracle"""

import pytest
from pytest_mock import MockerFixture

from gm_assistant.oracle.random_choice import RandomChoiceOracle

TEST_DATA = {
    "type": "random-choice",
    "name": "Test Oracle",
    "source": "Test Source",
    "choices": ["One", "Two", "Three"],
}


def test_init_missing_choices() -> None:
    """Test initalising with missing choices"""

    oracle_data = TEST_DATA.copy()
    del oracle_data["choices"]

    with pytest.raises(KeyError):
        RandomChoiceOracle(oracle_data)


def test_init_empty_choices() -> None:
    """Test initialising with an empty choice list"""

    oracle_data = TEST_DATA.copy()
    oracle_data["choices"] = []

    with pytest.raises(ValueError):
        RandomChoiceOracle(oracle_data)


def test_init_nonlist_choices() -> None:
    """Test initialising with a choice list that is not a list"""

    oracle_data = TEST_DATA.copy()
    oracle_data["choices"] = {"a": "b"}  # type: ignore[assignment]

    with pytest.raises(TypeError):
        RandomChoiceOracle(oracle_data)


def test_init() -> None:
    """Test initialisation"""

    oracle = RandomChoiceOracle(TEST_DATA)

    assert oracle.choices == ["One", "Two", "Three"]


def test_generate(mocker: MockerFixture) -> None:
    """Test generate()"""

    mocked_choice = mocker.patch("gm_assistant.oracle.random_choice.random.choice", return_value="Result")
    oracle = RandomChoiceOracle(TEST_DATA)

    assert oracle.generate() == "Result"
    mocked_choice.assert_called_once_with(["One", "Two", "Three"])