b61e79353a
Add ManifoldState (N,32) versor field over graph edges, GraphDiffusionOperator with damped convergence via construction_seed_versor closure, deterministic hash-to-versor stub, and run_pulse.py end-to-end script proving injection → propagation → vault recall → token output. 24 new tests, zero regressions on architectural invariants.
83 lines
2.8 KiB
Python
83 lines
2.8 KiB
Python
"""ManifoldState construction, validation, and immutability tests."""
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import numpy as np
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import pytest
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from algebra.rotor import make_rotor_from_angle
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from field.state import ManifoldState
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def _make_versors(n: int) -> np.ndarray:
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return np.stack(
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[make_rotor_from_angle(0.1 * (i + 1)).astype(np.float32) for i in range(n)],
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axis=0,
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)
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def _triangle_edges() -> np.ndarray:
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return np.array([[0, 1], [1, 2], [0, 2]], dtype=np.int32)
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class TestConstruction:
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def test_valid_construction(self) -> None:
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fields = _make_versors(3)
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edges = _triangle_edges()
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ms = ManifoldState(fields=fields, edges=edges)
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assert ms.fields.shape == (3, 32)
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assert ms.edges.shape == (3, 2)
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assert ms.step == 0
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def test_fields_are_copied(self) -> None:
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fields = _make_versors(2)
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edges = np.array([[0, 1]], dtype=np.int32)
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ms = ManifoldState(fields=fields, edges=edges)
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assert ms.fields is not fields
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def test_bad_field_shape_raises(self) -> None:
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with pytest.raises(ValueError, match="shape"):
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ManifoldState(
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fields=np.ones((3, 16), dtype=np.float32),
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edges=_triangle_edges(),
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)
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def test_bad_edge_shape_raises(self) -> None:
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with pytest.raises(ValueError, match="shape"):
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ManifoldState(
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fields=_make_versors(3),
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edges=np.array([[0, 1, 2]], dtype=np.int32),
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)
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def test_edge_out_of_bounds_raises(self) -> None:
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with pytest.raises(ValueError, match="indices"):
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ManifoldState(
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fields=_make_versors(2),
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edges=np.array([[0, 5]], dtype=np.int32),
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)
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def test_versor_condition_enforced(self) -> None:
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bad_fields = np.random.randn(2, 32).astype(np.float32)
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with pytest.raises(ValueError, match="versor_condition"):
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ManifoldState(
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fields=bad_fields,
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edges=np.array([[0, 1]], dtype=np.int32),
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)
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class TestMutation:
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def test_frozen(self) -> None:
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ms = ManifoldState(fields=_make_versors(2), edges=np.array([[0, 1]], dtype=np.int32))
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with pytest.raises(AttributeError):
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ms.step = 5 # type: ignore[misc]
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def test_with_fields_returns_new(self) -> None:
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ms = ManifoldState(fields=_make_versors(2), edges=np.array([[0, 1]], dtype=np.int32))
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new_fields = _make_versors(2)
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ms2 = ms.with_fields(new_fields)
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assert ms2 is not ms
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assert ms.step == ms2.step
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def test_advance_increments_step(self) -> None:
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ms = ManifoldState(fields=_make_versors(2), edges=np.array([[0, 1]], dtype=np.int32))
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ms2 = ms.advance()
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assert ms2.step == ms.step + 1
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assert np.array_equal(ms2.fields, ms.fields)
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