"""
Tests for the ModuleId Value Object.
"""

from __future__ import annotations

from shared.identity import Identifier, ModuleId


def test_new_creates_module_id() -> None:
    """A new ModuleId should be created."""

    # Arrange

    # Act
    module_id = ModuleId.new()

    # Assert
    assert isinstance(module_id, ModuleId)


def test_module_id_is_identifier() -> None:
    """ModuleId should inherit from Identifier."""

    # Arrange

    # Act
    module_id = ModuleId.new()

    # Assert
    assert isinstance(module_id, Identifier)


def test_module_id_preserves_type() -> None:
    """Factory methods should preserve the concrete type."""

    # Arrange

    # Act
    module_id = ModuleId.new()

    # Assert
    assert type(module_id) is ModuleId