"""
Pytest configuration and shared fixtures for Atomizer tests.
"""

import pytest
import sys
from pathlib import Path

# Add project root to path
sys.path.insert(0, str(Path(__file__).parent.parent))

@pytest.fixture
def sample_study_dir(tmp_path):
    """Create a temporary study directory structure."""
    study = tmp_path / "test_study"
    (study / "1_setup").mkdir(parents=True)
    (study / "2_iterations").mkdir()
    (study / "3_results").mkdir()
    return study

@pytest.fixture
def sample_config():
    """Sample optimization config for testing."""
    return {
        "study_name": "test_study",
        "design_variables": [
            {"name": "param1", "lower": 0, "upper": 10, "type": "continuous"}
        ],
        "objectives": [
            {"name": "minimize_mass", "direction": "minimize"}
        ]
    }