Add track overlap test with gap close

src/traccuracy/metrics/_track_overlap.py

@@ -126,5 +126,4 @@ def _calc_overlap_score(
         max_overlap = max(overlaps)
         correct_count += max_overlap
         total_count += len(reference_tracklet.edges())
-
     return correct_count / total_count if total_count > 0 else -1

tests/metrics/test_track_overlap_metrics.py

@@ -6,6 +6,8 @@
 from traccuracy.matchers import Matched
 from traccuracy.metrics._track_overlap import TrackOverlapMetrics, _mapping_to_dict
 
+from tests.test_utils import get_gap_close_graphs
+
 
 def add_frame(tree):
     attrs = {}
@@ -183,6 +185,19 @@ def test_track_overlap_metrics(data, inverse) -> None:
     assert results == expected, f"{data['name']} failed without division edges"
 
 
+def test_track_overlap_gap_close():
+    g_gt, g_pred, mapping = get_gap_close_graphs()
+    matched = Matched(
+        TrackingGraph(g_gt),
+        TrackingGraph(g_pred),
+        mapping,
+    )
+    metric = TrackOverlapMetrics()
+    results = metric.compute(matched)
+    assert results["track_purity"] == 7 / 9
+    assert results["target_effectiveness"] == 7 / 8
+
+
 def test_mapping_to_dict():
     mapping = [("1", "2"), ("2", "3"), ("1", "3"), ("2", "3")]
     mapping_dict = _mapping_to_dict(mapping)