import sys
sys.path.insert(0, 'bin')
from config import load_config, ConfigError
import pytest, tempfile, os, yaml

def test_load_valid_config():
    data = {
        'projects': [{'path': '/tmp', 'benchmarks': ['echo ok'], 'time_limit_minutes': 5}],
        'token_threshold': {'context_remaining_pct': 60, 'api_budget_usd': 5.0}
    }
    with tempfile.NamedTemporaryFile('w', suffix='.yaml', delete=False) as f:
        yaml.dump(data, f)
        name = f.name
    cfg = load_config(name)
    assert cfg['projects'][0]['time_limit_minutes'] == 5
    os.unlink(name)

def test_missing_projects_raises():
    with tempfile.NamedTemporaryFile('w', suffix='.yaml', delete=False) as f:
        yaml.dump({}, f)
        name = f.name
    with pytest.raises(ConfigError):
        load_config(name)
    os.unlink(name)

def test_expands_tilde_in_path():
    data = {
        'projects': [{'path': '~/.claude', 'benchmarks': [], 'time_limit_minutes': 5}],
        'token_threshold': {'context_remaining_pct': 60, 'api_budget_usd': 5.0}
    }
    with tempfile.NamedTemporaryFile('w', suffix='.yaml', delete=False) as f:
        yaml.dump(data, f)
        name = f.name
    cfg = load_config(name)
    assert '~' not in cfg['projects'][0]['path']
    os.unlink(name)