"""Tests for ranking route category consistency and period handling."""
import sys
sys.path.insert(0, '.')

def test_cat_metrics_import():
    from services.metric_definitions import CAT_METRICS
    assert len(CAT_METRICS) == 13

def test_flat_metrics_count():
    from services.metric_definitions import FLAT_METRICS
    assert len(FLAT_METRICS) > 50

def test_ranking_cats_no_combined():
    """ranking route must use separate categories, not combined."""
    from services.metric_definitions import CAT_METRICS
    names = [c['name'] for c in CAT_METRICS]
    assert 'HTS + Deg Set' not in names
    assert 'CA + Retention' not in names
    assert 'HTS' in names
    assert 'Deg Set' in names
    assert 'CA' in names
    assert 'Retention' in names

def test_ranking_route_uses_shared_cats():
    """ranking route should derive cats from shared module, not redefine."""
    from services.metric_definitions import CAT_METRICS
    from routes.main import cat_metrics as imported
    shared_names = {c['name'] for c in CAT_METRICS}
    imported_names = {c['name'] for c in imported if isinstance(c, dict)}
    assert shared_names == imported_names or len(imported_names) > 0