Initial commit: add .gitignore and README

tests/test_schemas.py

@@ -0,0 +1,71 @@
+"""Schema tests: Plan.from_dict, Plan.to_dict, and related deserialization."""
+
+from fusionagi.schemas.plan import Plan, PlanStep
+
+
+def test_plan_from_dict_valid() -> None:
+    d = {
+        "steps": [
+            {"id": "s1", "description": "Step 1", "dependencies": []},
+            {"id": "s2", "description": "Step 2", "dependencies": ["s1"]},
+        ],
+        "fallback_paths": [],
+        "metadata": {},
+    }
+    plan = Plan.from_dict(d)
+    assert len(plan.steps) == 2
+    assert plan.steps[0].id == "s1"
+    assert plan.steps[1].id == "s2"
+    assert plan.steps[1].dependencies == ["s1"]
+    assert plan.fallback_paths == []
+    assert plan.metadata == {}
+
+
+def test_plan_from_dict_extra_keys() -> None:
+    d = {
+        "steps": [{"id": "s1", "description": "Step 1", "dependencies": []}],
+        "fallback_paths": [],
+        "metadata": {},
+        "extra_key": "ignored",
+    }
+    plan = Plan.from_dict(d)
+    assert len(plan.steps) == 1
+    assert plan.steps[0].id == "s1"
+
+
+def test_plan_from_dict_empty_steps() -> None:
+    d = {"steps": [], "fallback_paths": [], "metadata": {}}
+    plan = Plan.from_dict(d)
+    assert plan.steps == []
+    assert plan.step_ids() == []
+
+
+def test_plan_from_dict_invalid_input() -> None:
+    """Plan.from_dict with non-dict raises TypeError."""
+    try:
+        Plan.from_dict(None)  # type: ignore[arg-type]
+        assert False, "expected TypeError"
+    except TypeError as e:
+        assert "expects dict" in str(e)
+    try:
+        Plan.from_dict("not a dict")  # type: ignore[arg-type]
+        assert False, "expected TypeError"
+    except TypeError as e:
+        assert "expects dict" in str(e)
+
+
+def test_plan_from_dict_to_dict_roundtrip() -> None:
+    plan = Plan(
+        steps=[
+            PlanStep(id="a", description="A", dependencies=[]),
+            PlanStep(id="b", description="B", dependencies=["a"]),
+        ],
+        fallback_paths=[["a"]],
+        metadata={"k": "v"},
+    )
+    d = plan.to_dict()
+    restored = Plan.from_dict(d)
+    assert len(restored.steps) == 2
+    assert restored.steps[0].id == plan.steps[0].id
+    assert restored.fallback_paths == plan.fallback_paths
+    assert restored.metadata == plan.metadata