969d78de39
A record whose schema id the catalog lists only as a compatible id now opens (the cache resolved a persisted schema by entry id alone). CultMesh's fallback to the older catalog-entry reader fires only for a store in that layout, decided by the entry's slot 5, not for any decode failure, so a current-layout store with a malformed slot is refused as CultCache refuses it. CultStoreUnreadableException.Path names the refused file. New vectors: compatible-id-only-v3 (accepted by all four) and three current-layout catalogs with one malformed slot. The contract states the writer's invariant. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
64 lines
3.8 KiB
Python
64 lines
3.8 KiB
Python
"""Generates the shared C0 refusal vectors from the pre-Cut 2 v1 store (written before any
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variant code existed). Every runtime's tests read the committed bytes; nothing regenerates them
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at test time. Run: python generate.py (needs msgpack).
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unknown-header.msgpack header cultcache.store.v9, otherwise the v1 store
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extra-slot-full-payload.msgpack v1 header, record item:anvil gains slot 4, payload stays full
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legacy-catalog-extra-slot.msgpack
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v1 header, catalog entry in the older layout (contentHash at slot
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5), so CultMesh's legacy snapshot reader takes it, plus the
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extra-slot record
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legacy-catalog-plain.msgpack v1 header, the older-layout catalog entry, the plain v1 records: a store CultMesh's
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legacy reader accepts
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legacy-catalog-trailing.msgpack legacy-catalog-plain plus three bytes after the array: one array is
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required of the legacy layout too
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current-catalog-bad-canonical.msgpack
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current-catalog-bad-members.msgpack
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current-catalog-bad-compat.msgpack
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v1 header, plain records, and the first catalog entry of the current layout with one slot
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malformed (canonical schema json an int; members an int; a compatible id an int). Not the
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older layout, so CultMesh refuses them as CultCache does
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v1-base.msgpack NOT generated here: written once by the Python runtime at CultLib
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69a21bb (SingleFileMessagePackBackingStore.push of alpha and
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beta, type vectors.item, before any C0 code existed)
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variant-v2.msgpack the wire shape of a variant record, hand-built: header v2, record slot 4 =
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[baseKey, overrides[]], empty payload (override op Set = 0, path steps
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are [slot, elementId]). C1 does not write this store and refuses to load
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it: the variant resolves to its base's name (R6). It exercises readers
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that refuse a variant by version or record.
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"""
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import pathlib
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import msgpack
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here = pathlib.Path(__file__).resolve().parent
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source = here.parent.parent / "GameCult.Caching.Tests" / "Fixtures" / "pre-cut2" / "single-file-v1" / "store.msgpack"
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header, catalog, records = msgpack.unpackb(source.read_bytes(), raw=False)
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assert header == "cultcache.store.v1"
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anvil = records[0]
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assert anvil[0] == "item:anvil"
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def write(name, snapshot):
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(here / name).write_bytes(msgpack.packb(snapshot, use_bin_type=True))
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write("unknown-header.msgpack", ["cultcache.store.v9", catalog, records])
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write("extra-slot-full-payload.msgpack",
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[header, catalog, [anvil + [["item:bellows", []]]] + records[1:]])
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variant = ["item:anvil-big", anvil[1], anvil[2], b"", ["item:anvil", [[0, [[1, ""]], "", 99]]]]
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write("variant-v2.msgpack", ["cultcache.store.v2", catalog, records + [variant]])
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legacy = lambda entry: [entry[0], entry[1], entry[2], entry[4], None, entry[3], []]
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legacy_entry = legacy(catalog[0])
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write("legacy-catalog-extra-slot.msgpack",
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[header, [legacy_entry], [anvil + [["item:bellows", []]]]])
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write("legacy-catalog-plain.msgpack", [header, [legacy(entry) for entry in catalog], records])
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(here / "legacy-catalog-trailing.msgpack").write_bytes(
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msgpack.packb([header, [legacy(entry) for entry in catalog], records], use_bin_type=True) + b"\x01\x02\x03")
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current = catalog[0]
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for name, entry in (
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("current-catalog-bad-canonical", current[:4] + [5]),
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("current-catalog-bad-members", current[:6] + [5]),
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("current-catalog-bad-compat", current[:5] + [[7]] + current[6:]),
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):
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write(name + ".msgpack", [header, [entry] + catalog[1:], records])
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