"""Unit tests for template utilities and configuration.

Tests the templates module constants and the TEMPLATES_DIR path resolution.
"""

from pathlib import Path

import pytest

from src.server.utils.templates import TEMPLATES_DIR


class TestTemplatesConfig:
    """Tests for templates module configuration."""

    def test_templates_dir_is_path(self):
        """TEMPLATES_DIR is a Path object."""
        assert isinstance(TEMPLATES_DIR, Path)

    def test_templates_dir_ends_with_templates(self):
        """TEMPLATES_DIR path ends with 'templates'."""
        assert TEMPLATES_DIR.name == "templates"

    def test_templates_dir_parent_is_web(self):
        """TEMPLATES_DIR parent is 'web' directory."""
        assert TEMPLATES_DIR.parent.name == "web"

    def test_templates_dir_grandparent_is_server(self):
        """TEMPLATES_DIR grandparent is 'server' directory."""
        assert TEMPLATES_DIR.parent.parent.name == "server"