"""Unit tests for ConnectionAwareInterface."""

import pytest
from python_repositories.interfaces.connection_aware_interface import (
    ConnectionAwareInterface,
)


def test_instantiation_fails_when_connect_not_implemented() -> None:
    """Test that instantiation fails if connect is not implemented."""

    class Incomplete(ConnectionAwareInterface):
        """A class that does not implement connect."""

        def disconnect(self) -> None:
            pass

        def is_connected(self) -> bool:
            return False

    with pytest.raises(TypeError):
        _ = Incomplete()  # type: ignore


def test_instantiation_fails_when_disconnect_not_implemented() -> None:
    """Test that instantiation fails if disconnect is not implemented."""

    class Incomplete(ConnectionAwareInterface):
        """A class that does not implement disconnect."""

        def connect(self) -> None:
            pass

        def is_connected(self) -> bool:
            return False

    with pytest.raises(TypeError):
        _ = Incomplete()  # type: ignore


def test_instantiation_fails_when_is_connected_not_implemented() -> None:
    """Test that instantiation fails if is_connected is not implemented."""

    class Incomplete(ConnectionAwareInterface):
        """A class that does not implement is_connected."""

        def connect(self) -> None:
            pass

        def disconnect(self) -> None:
            pass

    with pytest.raises(TypeError):
        _ = Incomplete()  # type: ignore