70 lines
2.4 KiB
Python
70 lines
2.4 KiB
Python
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from __future__ import annotations
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from copy import deepcopy
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from fin_hub.fabric_cutover import evaluate_fabric_cutover, fabric_content_hash
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def _authority() -> dict:
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return {
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"apiVersion": "railiance.fabric/v1alpha2",
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"kind": "FabricGraphExport",
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"schema_version": "financial-fabric-v1",
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"generated_at": "2026-08-31T12:00:00Z",
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"source": {
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"producer": "railiance-fabric",
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"commit": "snapshot-set:sha256:abc",
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"path": "registry://accepted-snapshots",
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},
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"actors": [{"id": "actor.king"}],
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"fabrics": [{"id": "fabric.main"}],
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"nodes": [{"id": "service.one"}],
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"edges": [],
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"unresolved": [],
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}
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def _projection(authority: dict) -> dict:
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return {
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"schema_version": authority["schema_version"],
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"node_count": 1,
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"edge_count": 0,
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"actor_count": 1,
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"fabric_count": 1,
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"unresolved_count": 0,
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"latest_import": {
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"api_version": authority["apiVersion"],
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"schema_version": authority["schema_version"],
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"export_kind": authority["kind"],
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"content_hash": fabric_content_hash(authority),
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"source_commit": authority["source"]["commit"],
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"source_path": authority["source"]["path"],
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"exported_at": authority["generated_at"],
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},
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}
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def test_cutover_gate_accepts_exact_counts_hash_and_provenance() -> None:
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authority = _authority()
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report = evaluate_fabric_cutover(authority, _projection(authority))
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assert report["ready"] is True
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assert report["failures"] == []
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def test_cutover_gate_rejects_count_or_hash_drift() -> None:
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authority = _authority()
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projection = _projection(authority)
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projection["node_count"] = 2
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projection["latest_import"]["content_hash"] = "stale"
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report = evaluate_fabric_cutover(authority, projection)
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assert report["ready"] is False
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assert {"node_count", "content_hash"}.issubset(report["failures"])
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def test_cutover_gate_rejects_unversioned_authority_provenance() -> None:
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authority = deepcopy(_authority())
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authority["source"]["commit"] = "working-tree"
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report = evaluate_fabric_cutover(authority, _projection(authority))
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assert report["ready"] is False
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assert "authority:source.commit must identify an immutable authority revision" in report["failures"]
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