phase 7

tests/detect/test_graph.py

@@ -1,5 +1,7 @@
 """Tests for the LangGraph detection pipeline."""
 
+import os
+
 import pytest
 
 from detect.graph import NODES, build_graph, get_pipeline
@@ -9,6 +11,22 @@ from detect.state import DetectState
 VIDEO = "media/out/chunks/95043d50-4df6-4ac8-bbd5-2ba873117c6e/chunk_0000.mp4"
 
 
+def _has_inference() -> bool:
+    if os.environ.get("INFERENCE_URL"):
+        return True
+    try:
+        import ultralytics
+        return True
+    except ImportError:
+        return False
+
+
+requires_inference = pytest.mark.skipif(
+    not _has_inference(),
+    reason="Needs INFERENCE_URL or ultralytics installed",
+)
+
+
 def test_graph_compiles():
     pipeline = get_pipeline()
     assert pipeline is not None
@@ -20,6 +38,7 @@ def test_graph_has_all_nodes():
         assert node in graph.nodes
 
 
+@requires_inference
 def test_graph_runs_end_to_end(monkeypatch):
     """Run the full graph with mocked event emission."""
     events = []
@@ -52,6 +71,7 @@ def test_graph_runs_end_to_end(monkeypatch):
     assert len(complete_events) == 1
 
 
+@requires_inference
 def test_graph_node_transitions(monkeypatch):
     """Verify each node emits running → done transitions."""
     events = []