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#!/usr/bin/env python3
from __future__ import annotations
import argparse
import json
import subprocess
import tempfile
from pathlib import Path
MESSAGE_ID = "01ARZ3NDEKTSV4RRFFQ69G5FAV"
def make_ulid(index: int) -> str:
alphabet = "0123456789ABCDEFGHJKMNPQRSTVWXYZ"
value = index
output = ["0"] * 26
for position in range(25, -1, -1):
output[position] = alphabet[value & 31]
value >>= 5
return "".join(output)
def record(content: str = "valid", **changes: object) -> dict[str, object]:
value: dict[str, object] = {
"message_id": MESSAGE_ID,
"session_id": "escape-session",
"timestamp": 0,
"updated_at": 9223372036854775807,
"revision": 2147483647,
"role": "user",
"content": content,
"metadata": {
"tool_call_id": "tool\\\"\n",
"tags": ["tag\\\"\n"],
"memory_tier": "short",
"memory_kind": "conversation",
"importance": 100,
"summary": "summary\\\"\n\u3042",
"relations": [],
"source_message_ids": [],
},
}
value.update(changes)
return value
def write_jsonl(path: Path, item: dict[str, object], final_newline: bool = True) -> None:
text = json.dumps({"type": "tiny-convmem-manifest", "format_version": 2}) + "\n"
text += json.dumps(item, ensure_ascii=True, separators=(",", ":"))
path.write_text(text + ("\n" if final_newline else ""), encoding="utf-8")
def run(server: Path, data: Path, *arguments: str, success: bool) -> subprocess.CompletedProcess[str]:
result = subprocess.run(
[str(server), "--data-dir", str(data), *arguments],
capture_output=True,
text=True,
)
assert (result.returncode == 0) is success, (
result.returncode,
result.args,
result.stdout,
result.stderr,
)
return result
def main() -> None:
parser = argparse.ArgumentParser()
parser.add_argument("--server", required=True, type=Path)
args = parser.parse_args()
server = args.server.resolve()
root = Path(tempfile.mkdtemp(prefix="tiny-convmem-import-e2e-"))
prefix = "prefix\nquote=\" slash=\\ unicode=\u3042 "
escaped = prefix + "x" * (1024 * 1024 - len(prefix.encode("utf-8")))
assert len(escaped.encode("utf-8")) == 1024 * 1024
source = root / "source.jsonl"
write_jsonl(source, record(escaped))
first = root / "first"
run(server, first, "--import", str(source), success=True)
exported = root / "export.jsonl"
run(server, first, "--export", str(exported), success=True)
second = root / "second"
run(server, second, "--import", str(exported), success=True)
exported_again = root / "export-again.jsonl"
run(server, second, "--export", str(exported_again), success=True)
assert exported.read_bytes() == exported_again.read_bytes()
assert json.loads(exported.read_text(encoding="utf-8").splitlines()[1])["content"] == escaped
invalid_values: list[tuple[str, object]] = [
("timestamp", -1),
("timestamp", 9223372036854775808),
("timestamp", 1.5),
("timestamp", 1e3),
("revision", 0),
("revision", 2147483648),
]
for index, (field, value) in enumerate(invalid_values):
invalid = root / f"invalid-{index}.jsonl"
write_jsonl(invalid, record(**{field: value}))
run(server, root / f"invalid-data-{index}", "--import", str(invalid), success=False)
malformed = root / "embedded-nul.jsonl"
write_jsonl(malformed, record("before\0after"))
run(server, root / "nul-data", "--import", str(malformed), success=False)
long_line = root / "long-line.jsonl"
long_line.write_text(
'{"type":"tiny-convmem-manifest","format_version":2}\n' + "x" * (1024 * 1024 + 4097),
encoding="utf-8",
)
run(server, root / "long-data", "--import", str(long_line), success=False)
truncated = root / "truncated.jsonl"
write_jsonl(truncated, record())
truncated.write_bytes(truncated.read_bytes()[:-8])
run(server, root / "truncated-data", "--import", str(truncated), success=False)
crlf = root / "crlf.jsonl"
crlf.write_bytes(source.read_bytes().replace(b"\n", b"\r\n", 1).replace(b"\r\n", b"\r\n\r\n", 1))
run(server, root / "crlf-data", "--import", str(crlf), success=True)
dangling = root / "dangling.jsonl"
dangling_record = record()
dangling_record["metadata"] = dict(dangling_record["metadata"]) # type: ignore[arg-type]
dangling_record["metadata"]["relations"] = [ # type: ignore[index]
{"type": "derived_from", "message_id": "01ARZ3NDEKTSV4RRFFQ69G5FAW"}
]
write_jsonl(dangling, dangling_record)
run(server, root / "dangling-data", "--import", str(dangling), success=False)
duplicate = root / "duplicate.jsonl"
duplicate.write_text(
json.dumps({"type": "tiny-convmem-manifest", "format_version": 2})
+ "\n"
+ json.dumps(record("first"), separators=(",", ":"))
+ "\n"
+ json.dumps(record("last"), separators=(",", ":"))
+ "\n",
encoding="utf-8",
)
duplicate_data = root / "duplicate-data"
run(server, duplicate_data, "--import", str(duplicate), success=True)
duplicate_export = root / "duplicate-export.jsonl"
run(server, duplicate_data, "--export", str(duplicate_export), success=True)
assert json.loads(duplicate_export.read_text(encoding="utf-8").splitlines()[1])["content"] == "last"
over_count = root / "over-count.jsonl"
with over_count.open("w", encoding="utf-8", newline="\n") as file:
file.write(json.dumps({"type": "tiny-convmem-manifest", "format_version": 2}) + "\n")
for index in range(100_001):
file.write(json.dumps({"type": "DEL", "message_id": make_ulid(index)}) + "\n")
run(server, root / "over-count-data", "--import", str(over_count), success=False)
assert not (root / "over-count-data" / "active.import.tmp").exists()
atomic_target = root / "atomic.jsonl"
atomic_target.write_text("old backup", encoding="utf-8")
run(server, first, "--export", str(atomic_target), success=True)
assert "tiny-convmem-manifest" in atomic_target.read_text(encoding="utf-8")
assert not Path(str(atomic_target) + ".tmp").exists()
protected = root / "protected.jsonl"
protected.write_text("existing backup", encoding="utf-8")
Path(str(protected) + ".tmp").mkdir()
run(server, first, "--export", str(protected), success=False)
assert protected.read_text(encoding="utf-8") == "existing backup"
if __name__ == "__main__":
main()
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