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mempalace/tests/test_miner_jsonl_visibility.py
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"""TDD: miner.py must not silently drop .jsonl files.
The project miner (mempalace.miner.scan_project) walks a directory and
keeps only files whose suffix is in READABLE_EXTENSIONS. The whitelist
contains `.json` but NOT `.jsonl`. Every ChatGPT export, Claude Code
transcript, or any other jsonl transcript dumped into a project
directory is silently dropped with no user-visible output.
Two paths to fix this, both tested here:
1. READABLE_EXTENSIONS must include `.jsonl` so the file is at least
readable as text (jsonl is line-delimited JSON — each line is
already valid text for embedding).
2. OR scan_project must surface skipped .jsonl files to the user so
they know to use `--mode convos`.
We test (1) — include .jsonl in READABLE_EXTENSIONS. This matches how
`.json` is already handled: the miner doesn't care what the structure
is, it chunks the text.
Written BEFORE the fix.
"""
import tempfile
from pathlib import Path
from mempalace.miner import READABLE_EXTENSIONS, scan_project
class TestJsonlNotSilentlySkipped:
def test_jsonl_in_readable_extensions(self):
"""`.jsonl` must be in the readable-extensions whitelist.
`.json` is already there (see mempalace/miner.py:30). `.jsonl`
is conceptually the same thing — line-delimited JSON — and all
of Claude Code's transcripts, ChatGPT exports, and similar
tooling writes `.jsonl`. Excluding it silently drops user data.
"""
assert ".jsonl" in READABLE_EXTENSIONS, (
"mempalace/miner.py:READABLE_EXTENSIONS contains `.json` "
"but NOT `.jsonl`. Every jsonl file in a mined project is "
"silently skipped at miner.py:722 "
"(`if filepath.suffix.lower() not in READABLE_EXTENSIONS: "
"continue`). This causes the 'convos not being saved' bug "
"reported by users — the hook fires `mempalace mine`, the "
"miner walks the directory, skips every .jsonl file, exits "
"cleanly. No warning, no log line, user sees nothing wrong. "
"Add `.jsonl` to READABLE_EXTENSIONS."
)
def test_scan_project_picks_up_jsonl_file(self):
"""scan_project should find .jsonl files in the target dir."""
with tempfile.TemporaryDirectory() as tmp:
tmpdir = Path(tmp)
jsonl_path = tmpdir / "transcript.jsonl"
jsonl_path.write_text(
'{"role": "user", "content": "hello"}\n'
'{"role": "assistant", "content": "hi there"}\n'
'{"role": "user", "content": "how do I install this"}\n'
'{"role": "assistant", "content": "pip install mempalace"}\n'
)
found = scan_project(str(tmpdir))
found_names = [p.name for p in found]
assert "transcript.jsonl" in found_names, (
"scan_project silently dropped transcript.jsonl. "
f"Returned: {found_names}. Users placing transcript "
"exports in a project directory expect them to be mined."
)