# Copyright 2025 Xin Huang
#
# GNU General Public License v3.0
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, please see
#
#    https://www.gnu.org/licenses/gpl-3.0.en.html


import pytest
from sai.registries import (
    StatRegistry,
)


@pytest.mark.parametrize(
    "RegistryClass",
    [
        StatRegistry,
    ],
)
def test_register_and_get(RegistryClass):
    registry = RegistryClass()

    class DummyClass:
        pass

    registry.register("dummy")(DummyClass)
    assert "dummy" in registry.list_registered()

    retrieved = registry.get("dummy")
    assert retrieved is DummyClass


@pytest.mark.parametrize(
    "RegistryClass",
    [
        StatRegistry,
    ],
)
def test_duplicate_registration(RegistryClass):
    registry = RegistryClass()

    class DummyClass:
        pass

    registry.register("dummy")(DummyClass)

    with pytest.raises(ValueError):
        registry.register("dummy")(DummyClass)


@pytest.mark.parametrize(
    "RegistryClass",
    [
        StatRegistry,
    ],
)
def test_get_unregistered(RegistryClass):
    registry = RegistryClass()

    with pytest.raises(KeyError):
        registry.get("nonexistent")
