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tests/vectors/slot-nil was read by TS only. The Python reader accepts the same 15 rows and refuses the same 2 as the C# reference and rewrites the reference's bytes. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
54 lines
2.4 KiB
Python
54 lines
2.4 KiB
Python
from __future__ import annotations
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import unittest
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from pathlib import Path
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import msgpack
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from cultcache_py import database_entry_field, define_database_entry_type, define_record_codec, leaves as t
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# tests/vectors/slot-nil is written only by the C# reference (SlotNilVectorTests): what it reads and rewrites for a nil, a
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# str in a byte[] slot, and a record short of its last slots. This runtime accepts what the reference accepts and rewrites
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# the same bytes.
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VECTORS = Path(__file__).resolve().parents[3] / "tests" / "vectors" / "slot-nil"
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def _probe():
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inner = define_record_codec("SlotNilInner", [database_entry_field("x", 0, default="", codec=t.string)])
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return define_database_entry_type(
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"tests.slot-nil",
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[
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database_entry_field("s", 0, default="", codec=t.nullable(t.string)),
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database_entry_field("i", 1, default=0, codec=t.int32),
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database_entry_field("b", 2, default=b"", codec=t.nullable(t.bytes)),
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database_entry_field("r", 3, default=None, codec=t.nullable(inner)),
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database_entry_field("l", 4, default=[], codec=t.nullable(t.list(t.string))),
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],
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)
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class SlotNilVectorTests(unittest.TestCase):
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def test_slots_read_and_rewrite_exactly_what_the_reference_does_for_nil_str_in_bytes_and_short_records(self) -> None:
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rows = msgpack.unpackb((VECTORS / "reads.msgpack").read_bytes(), raw=False)
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probe = _probe()
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self.assertEqual(17, len(rows))
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accepted = 0
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for name, payload, was_accepted, rewritten in rows:
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with self.subTest(name):
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if was_accepted:
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self.assertEqual(rewritten.hex(), probe.encode_payload(probe.decode_payload(payload)).hex())
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accepted += 1
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else:
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with self.assertRaises(Exception):
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probe.decode_payload(payload)
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self.assertEqual(15, accepted)
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def test_a_character_outside_the_bmp_is_four_utf8_bytes(self) -> None:
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rows = {name: (payload, rewritten) for name, payload, _, rewritten in msgpack.unpackb((VECTORS / "reads.msgpack").read_bytes(), raw=False)}
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probe = _probe()
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self.assertEqual("\U0001F600", probe.decode_payload(rows["string-astral"][0])["s"])
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self.assertEqual(b"\xf0\x9f\x98\x80", probe.decode_payload(rows["bytes-str-astral"][0])["b"])
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if __name__ == "__main__":
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unittest.main()
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