init

tests/test_graph.py

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+"""Graph-Validierung: DAG-Pflicht, Rück-Kanten nur von Gates, Skills vorhanden."""
+import pytest
+import yaml
+
+from backend import config, engine, graph
+
+
+def test_pipeline_yaml_valide():
+    g = graph.laden(set(engine.WORKER))
+    assert len(g.knoten) >= 20
+    assert g.stufen == ["korpus", "inventar", "struktur", "guide", "montage"]
+    for stufe in g.stufen[:-1]:
+        assert g.gate_der_stufe(stufe) is not None
+
+
+def _mit_kante(extra) -> None:
+    daten = yaml.safe_load(config.PIPELINE_YAML.read_text())
+    daten["kanten"].append(extra)
+    import tempfile
+    from pathlib import Path
+    with tempfile.NamedTemporaryFile("w", suffix=".yaml", delete=False) as f:
+        yaml.safe_dump(daten, f)
+        pfad = Path(f.name)
+    try:
+        graph.laden(set(engine.WORKER), pfad=pfad)
+    finally:
+        pfad.unlink()
+        graph.laden(set(engine.WORKER))  # Original wiederherstellen
+
+
+def test_zyklus_wird_abgelehnt():
+    with pytest.raises(graph.GraphFehler, match="Zyklus"):
+        _mit_kante({"von": "montage", "nach": "recherche_plan", "art": "normal"})
+
+
+def test_ruecklauf_nur_von_gates():
+    with pytest.raises(graph.GraphFehler, match="nur von Gates"):
+        _mit_kante({"von": "writer", "nach": "suche", "art": "ruecklauf"})
+
+
+def test_layout_vollstaendig():
+    lay = graph.get().layout()
+    assert set(lay["knoten"]) == set(graph.get().knoten)
+    assert all("spalte" in v and "zeile" in v for v in lay["knoten"].values())