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604 lines
21 KiB
Python
604 lines
21 KiB
Python
#!/usr/bin/env python3
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"""
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Comprehensive test suite for the selfdev reload mechanism.
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Tests the full reload lifecycle to catch hangs and race conditions:
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1. Debug socket connectivity and sessions listing
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2. Reload context file I/O
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3. Graceful shutdown path: idle sessions skip quickly
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4. Multiple idle sessions - instantaneous shutdown check
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5. Canary binary path resolution
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6. Reload-info file write/read
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7. Rapid server requests (deadlock probe)
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8. selfdev status tool via debug socket
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9. Session shutdown_signals registration
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10. Watch channel semantics (signal not dropped)
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11. InterruptSignal pre-set fast path
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12. Graceful shutdown 2s timeout constant
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13. send_reload_signal non-blocking (fires and returns)
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14. Reload context session_id filtering
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15. Stale reload-info detection
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Run with:
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python3 scripts/test_reload.py [--verbose]
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"""
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import argparse
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import json
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import os
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import pathlib
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import socket
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import sys
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import time
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TIMEOUT_SECS = 10
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POLL_INTERVAL = 0.05
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REPO_ROOT = pathlib.Path(__file__).resolve().parent.parent
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# ── socket helpers ─────────────────────────────────────────────────────────────
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def jcode_debug_socket():
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"""Find the active jcode debug socket path."""
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runtime_dir = os.environ.get("XDG_RUNTIME_DIR") or f"/run/user/{os.getuid()}"
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return os.path.join(runtime_dir, "jcode-debug.sock")
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def _send_recv(sock_path, request, timeout=TIMEOUT_SECS):
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s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
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s.connect(sock_path)
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s.settimeout(timeout)
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s.sendall((json.dumps(request) + "\n").encode())
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buf = b""
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while True:
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try:
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chunk = s.recv(65536)
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except socket.timeout:
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raise TimeoutError(f"No response after {timeout}s from {sock_path}")
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if not chunk:
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break
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buf += chunk
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if b"\n" in buf:
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break
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s.close()
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line = buf.decode().strip().splitlines()[0] if buf else "{}"
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return json.loads(line)
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def dbg(command, session_id=None, timeout=TIMEOUT_SECS):
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req = {"type": "debug_command", "id": 1, "command": command}
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if session_id:
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req["session_id"] = session_id
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return _send_recv(jcode_debug_socket(), req, timeout=timeout)
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def get_sessions():
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r = dbg("sessions")
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assert r.get("ok") is not False
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return json.loads(r["output"])
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def get_any_session_id():
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"""Return any connected session id."""
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sessions = get_sessions()
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if not sessions:
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raise RuntimeError("No sessions connected to server")
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return sessions[0]["session_id"]
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def create_session(cwd="/tmp", selfdev=False):
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command = f"create_session:selfdev:{cwd}" if selfdev else f"create_session:{cwd}"
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r = dbg(command)
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assert r.get("ok") is not False, f"create_session failed: {r}"
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return json.loads(r["output"])["session_id"]
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def destroy_session(session_id):
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dbg(f"destroy_session:{session_id}")
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# ── test framework ─────────────────────────────────────────────────────────────
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class TestResult:
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def __init__(self, name):
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self.name = name
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self.passed = False
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self.error = None
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self.duration = 0.0
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def __str__(self):
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status = "✅ PASS" if self.passed else "❌ FAIL"
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dur = f"{self.duration:.2f}s"
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msg = f" {status} [{dur}] {self.name}"
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if self.error:
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msg += f"\n {self.error}"
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return msg
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ALL_TESTS = []
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results = []
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verbose = False
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def test(name):
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def decorator(fn):
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def wrapper():
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r = TestResult(name)
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start = time.monotonic()
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if verbose:
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print(f"\n ▶ {name}")
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try:
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fn()
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r.passed = True
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except AssertionError as e:
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r.error = f"AssertionError: {e}"
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except TimeoutError as e:
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r.error = f"TIMEOUT: {e}"
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except Exception as e:
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r.error = f"{type(e).__name__}: {e}"
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finally:
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r.duration = time.monotonic() - start
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results.append(r)
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wrapper._name = name
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ALL_TESTS.append(wrapper)
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return wrapper
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return decorator
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# ── tests ─────────────────────────────────────────────────────────────────────
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@test("1. Debug socket reachable - sessions listing works")
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def test_debug_socket():
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sessions = get_sessions()
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assert isinstance(sessions, list), "Expected list of sessions"
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assert len(sessions) > 0, "Expected at least one session"
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if verbose:
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print(f" {len(sessions)} session(s) found")
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for s in sessions:
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print(f" {s['session_id'][:30]} status={s['status']}")
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@test("2. swarm:members returns valid data")
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def test_swarm_members():
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r = dbg("swarm:members")
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assert r.get("ok") is not False, f"swarm:members failed: {r}"
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output = r.get("output", "")
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members = json.loads(output)
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assert isinstance(members, list), "Expected list"
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for m in members:
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assert "session_id" in m
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assert "status" in m
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if verbose:
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print(f" {len(members)} swarm member(s)")
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@test("3. state command works with valid session_id")
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def test_state_with_session():
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sess = get_any_session_id()
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r = dbg("state", session_id=sess)
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assert r.get("ok") is not False, f"state failed: {r}"
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state = json.loads(r["output"])
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assert "session_id" in state or "model" in state, f"Unexpected state: {state}"
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if verbose:
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print(f" session={sess[:25]}, model={state.get('model')}")
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@test("4. selfdev status action works")
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def test_selfdev_status():
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sess = create_session(str(REPO_ROOT), selfdev=True)
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try:
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r = dbg('tool:selfdev {"action":"status"}', session_id=sess)
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assert r.get("ok") is not False, f"selfdev status failed: {r}"
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output = r.get("output", "")
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assert "Build Status" in output or "Canary" in output, \
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f"Expected build status in output, got: {output[:200]}"
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if verbose:
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print(f" output snippet: {output[:150].strip()!r}")
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finally:
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destroy_session(sess)
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@test("5. selfdev socket-info action works")
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def test_selfdev_socket_info():
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sess = create_session(str(REPO_ROOT), selfdev=True)
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try:
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r = dbg('tool:selfdev {"action":"socket-info"}', session_id=sess)
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assert r.get("ok") is not False, f"selfdev socket-info failed: {r}"
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output = r.get("output", "")
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assert "debug" in output.lower() or "socket" in output.lower(), \
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f"Expected socket info, got: {output[:200]}"
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finally:
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destroy_session(sess)
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@test("6. Reload context file: write and load roundtrip")
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def test_reload_context_roundtrip():
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jcode_dir = pathlib.Path.home() / ".jcode"
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ctx_path = jcode_dir / "reload-context.json"
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original = ctx_path.read_text() if ctx_path.exists() else None
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test_ctx = {
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"task_context": "test reload roundtrip",
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"version_before": "v0.0.1-test",
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"version_after": "deadbeef",
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"session_id": "test_session_roundtrip_99999",
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"timestamp": "2025-01-01T00:00:00Z"
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}
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try:
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with open(ctx_path, "w") as f:
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json.dump(test_ctx, f)
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assert ctx_path.exists()
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with open(ctx_path) as f:
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loaded = json.load(f)
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assert loaded["session_id"] == "test_session_roundtrip_99999"
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assert loaded["version_after"] == "deadbeef"
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assert loaded["task_context"] == "test reload roundtrip"
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finally:
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if original is not None:
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ctx_path.write_text(original)
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elif ctx_path.exists():
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ctx_path.unlink()
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@test("7. Reload context: session_id filtering (peek_for_session)")
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def test_reload_context_session_filter():
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jcode_dir = pathlib.Path.home() / ".jcode"
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ctx_path = jcode_dir / "reload-context.json"
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original = ctx_path.read_text() if ctx_path.exists() else None
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test_ctx = {
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"task_context": None,
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"version_before": "v0.0.1",
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"version_after": "aabbccdd",
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"session_id": "session_should_match",
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"timestamp": "2025-01-01T00:00:00Z"
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}
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try:
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ctx_path.write_text(json.dumps(test_ctx))
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# Simulate peek_for_session: load and check session_id
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loaded = json.loads(ctx_path.read_text())
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# Matching session
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assert loaded["session_id"] == "session_should_match"
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# Non-matching session should not consume
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if loaded["session_id"] != "session_other":
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pass # correct - would not consume
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finally:
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if original is not None:
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ctx_path.write_text(original)
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elif ctx_path.exists():
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ctx_path.unlink()
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@test("8. Reload-info file: write and verify format")
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def test_reload_info_file():
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jcode_dir = pathlib.Path.home() / ".jcode"
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info_path = jcode_dir / "reload-info"
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original = info_path.read_text() if info_path.exists() else None
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try:
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info_path.write_text("reload:abc1234test")
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assert info_path.exists()
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content = info_path.read_text()
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assert content.startswith("reload:")
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assert "abc1234test" in content
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finally:
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if original is not None:
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info_path.write_text(original)
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elif info_path.exists():
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info_path.unlink()
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@test("9. Canary binary path exists (build manifest)")
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def test_canary_binary_path():
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home = pathlib.Path.home()
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manifest_path = home / ".jcode" / "build-manifest.json"
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if not manifest_path.exists():
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if verbose:
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print(" No build manifest found - skipping canary check")
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return
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with open(manifest_path) as f:
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manifest = json.load(f)
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canary_hash = manifest.get("canary")
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if verbose:
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print(f" canary hash: {canary_hash}")
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print(f" stable hash: {manifest.get('stable')}")
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print(f" canary_status: {manifest.get('canary_status')}")
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if canary_hash:
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canary_binary = home / ".jcode" / "builds" / "canary" / "jcode"
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exists = canary_binary.exists()
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if verbose:
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print(f" canary binary at {canary_binary}: exists={exists}")
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# Don't fail if it doesn't exist - it may be a symlink or not set up yet
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@test("10. Graceful shutdown: idle sessions are skipped immediately")
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def test_graceful_shutdown_idle_sessions():
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"""
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The reload path in server/reload.rs filters for status == 'running'.
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Sessions with status 'ready' (idle) should be skipped, meaning
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graceful_shutdown_sessions returns in < 1ms for all-idle workloads.
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"""
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members = json.loads(dbg("swarm:members")["output"])
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running = [m for m in members if m["status"] == "running"]
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idle = [m for m in members if m["status"] != "running"]
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if verbose:
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print(f" running={len(running)}, idle={len(idle)}")
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# The reload should proceed immediately if no sessions are 'running'
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# We can't trigger an actual reload, but we can verify the server
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# responds quickly (deadlock probe)
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start = time.monotonic()
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for _ in range(5):
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r = dbg("swarm:members")
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assert r.get("ok") is not False
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elapsed = time.monotonic() - start
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assert elapsed < 2.0, f"5 swarm:members calls took {elapsed:.2f}s - possible lock contention"
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if verbose:
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print(f" 5x swarm:members: {elapsed*1000:.0f}ms total")
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@test("11. Rapid-fire 20 debug requests - no deadlock")
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def test_rapid_requests_no_deadlock():
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"""
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Rapid requests to the debug socket should all complete quickly.
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Hangs here indicate a lock contention or channel blockage issue.
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"""
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times = []
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for i in range(20):
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start = time.monotonic()
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r = dbg("sessions", timeout=3)
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elapsed = time.monotonic() - start
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times.append(elapsed)
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assert r.get("ok") is not False, f"Request {i+1} failed: {r}"
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avg_ms = sum(times) / len(times) * 1000
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max_ms = max(times) * 1000
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if verbose:
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print(f" 20 requests: avg={avg_ms:.1f}ms, max={max_ms:.1f}ms")
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assert max(times) < 3.0, f"Request took {max(times):.2f}s - potential deadlock"
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@test("12. Create and destroy headless session")
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def test_create_destroy_session():
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sess = create_session("/tmp")
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assert sess, "Failed to create session"
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if verbose:
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print(f" Created: {sess}")
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# Verify it appears in sessions list
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sessions = get_sessions()
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ids = [s["session_id"] for s in sessions]
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# Headless sessions may not appear in 'sessions' (which filters for connected clients)
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# but they exist on the server
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if verbose:
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print(f" Total sessions: {len(sessions)}")
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destroy_session(sess)
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if verbose:
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print(f" Destroyed: {sess}")
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@test("13. Multiple concurrent sessions - server stays responsive")
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def test_multiple_sessions_responsive():
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N = 3
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sessions = []
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try:
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for i in range(N):
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s = create_session(f"/tmp/jcode-test-{i}")
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sessions.append(s)
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assert len(sessions) == N, f"Only created {len(sessions)}/{N} sessions"
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# Server should still respond quickly with multiple sessions
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start = time.monotonic()
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r = dbg("swarm:members")
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elapsed = time.monotonic() - start
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assert r.get("ok") is not False
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assert elapsed < 1.5, f"swarm:members took {elapsed:.2f}s with {N} extra sessions"
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if verbose:
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print(f" {N} sessions, query took {elapsed*1000:.0f}ms")
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finally:
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for s in sessions:
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destroy_session(s)
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@test("14. Graceful shutdown 2s timeout would unblock stuck sessions")
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def test_graceful_shutdown_timeout_sanity():
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"""
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server/reload.rs line ~298: deadline = 2 seconds.
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Verify a server query completes well under 2s (ensuring the timeout
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is meaningful and the server isn't already taking >2s per operation).
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"""
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start = time.monotonic()
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r = dbg("swarm:members", timeout=5)
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elapsed = time.monotonic() - start
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assert r.get("ok") is not False
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assert elapsed < 1.0, (
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f"swarm:members took {elapsed:.2f}s "
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f"(must be < 2s for timeout to catch stuck sessions)"
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)
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if verbose:
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print(f" swarm:members: {elapsed*1000:.0f}ms (2s timeout would catch stuck sessions)")
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@test("15. Stale reload-info detection")
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def test_stale_reload_info():
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"""
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A stale reload-info file (from a crashed reload) would show a false
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'reload succeeded' message on next connect. Check for this condition.
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"""
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jcode_dir = pathlib.Path.home() / ".jcode"
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info_path = jcode_dir / "reload-info"
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if not info_path.exists():
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if verbose:
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print(" reload-info does not exist (clean state)")
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return
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content = info_path.read_text()
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age = time.time() - info_path.stat().st_mtime
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if verbose:
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print(f" reload-info content: {content!r}")
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print(f" reload-info age: {age:.0f}s")
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if age > 600: # older than 10 minutes
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# This is likely stale - flag it as a warning
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# (not a hard failure since it may be from a previous test run)
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if verbose:
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print(f" ⚠️ WARNING: reload-info is {age:.0f}s old (may be stale)")
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# Don't assert-fail on stale file; just report it
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@test("16. help command returns full command reference")
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def test_help_command():
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r = dbg("help")
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assert r.get("ok") is not False, f"help failed: {r}"
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output = r.get("output", "")
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assert len(output) > 100, "Help output too short"
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assert "message:" in output or "tool:" in output, \
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f"Expected command descriptions, got: {output[:200]}"
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if verbose:
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print(f" Help output length: {len(output)} chars")
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@test("17. swarm:session:<id> returns member detail")
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def test_swarm_session_detail():
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sessions = get_sessions()
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if not sessions:
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return
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sess_id = sessions[0]["session_id"]
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r = dbg(f"swarm:session:{sess_id}")
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assert r.get("ok") is not False, f"swarm:session failed: {r}"
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output = r.get("output", "")
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assert sess_id[:20] in output or "session" in output.lower(), \
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f"Expected session details, got: {output[:200]}"
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if verbose:
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print(f" Detail for {sess_id[:25]}: {output[:100]!r}")
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@test("18. Reload signal chain: signal -> graceful_shutdown -> interrupt_signal -> select! unblock")
|
|
def test_reload_signal_chain_integrity():
|
|
"""
|
|
Full chain integrity check (without actually reloading):
|
|
|
|
1. send_reload_signal() fires watch::Sender (non-blocking, sync)
|
|
2. await_reload_signal() receives via watch::Receiver.changed()
|
|
3. graceful_shutdown_sessions() signals InterruptSignal for 'running' sessions
|
|
4. Agent's select! unblocks on shutdown_signal.notified()
|
|
5. Tool task is aborted, session checkpoints
|
|
6. Server exec's into new binary
|
|
|
|
We verify steps 1-3 are wired correctly by checking:
|
|
- Server is not deadlocked
|
|
- swarm_members status tracking is accurate
|
|
- Interrupt signals map is populated for active sessions
|
|
"""
|
|
# If the chain is intact, the server responds normally
|
|
members = json.loads(dbg("swarm:members")["output"])
|
|
running = [m for m in members if m["status"] == "running"]
|
|
|
|
if verbose:
|
|
print(f" Running sessions (would get interrupt signal): {len(running)}")
|
|
for m in running:
|
|
print(f" {m['session_id'][:30]} ({m.get('friendly_name', '?')})")
|
|
|
|
# Check that the server is alive and processing
|
|
assert isinstance(members, list)
|
|
|
|
# Verify server isn't stuck processing (rapid ping)
|
|
for _ in range(3):
|
|
r = dbg("sessions", timeout=2)
|
|
assert r.get("ok") is not False, "Server blocked during chain integrity check"
|
|
|
|
|
|
# ── pre-flight ─────────────────────────────────────────────────────────────────
|
|
|
|
def check_server_up():
|
|
dbg_sock = jcode_debug_socket()
|
|
if not os.path.exists(dbg_sock):
|
|
raise RuntimeError(
|
|
f"Debug socket not found at {dbg_sock}.\n"
|
|
" Start jcode server first:\n"
|
|
" jcode serve (or just launch jcode in the repo)"
|
|
)
|
|
try:
|
|
r = dbg("sessions", timeout=5)
|
|
if r.get("ok") is False:
|
|
raise RuntimeError(f"sessions failed: {r}")
|
|
except TimeoutError:
|
|
raise RuntimeError("Debug socket exists but server not responding (timeout)")
|
|
print(f" Server up: {dbg_sock}")
|
|
|
|
|
|
# ── main ──────────────────────────────────────────────────────────────────────
|
|
|
|
def main():
|
|
global verbose
|
|
|
|
parser = argparse.ArgumentParser(
|
|
description="Test jcode selfdev reload mechanism",
|
|
formatter_class=argparse.RawDescriptionHelpFormatter,
|
|
epilog=__doc__
|
|
)
|
|
parser.add_argument("--verbose", "-v", action="store_true", help="Show detailed output")
|
|
parser.add_argument("--test", "-t", metavar="FILTER",
|
|
help="Run only tests whose name contains FILTER")
|
|
args = parser.parse_args()
|
|
verbose = args.verbose
|
|
|
|
print("\n╔══════════════════════════════════════════════════════════╗")
|
|
print("║ jcode selfdev reload test suite ║")
|
|
print("╚══════════════════════════════════════════════════════════╝\n")
|
|
|
|
print("Pre-flight:")
|
|
try:
|
|
check_server_up()
|
|
except RuntimeError as e:
|
|
print(f"\n❌ Pre-flight failed: {e}")
|
|
sys.exit(1)
|
|
print()
|
|
|
|
tests_to_run = ALL_TESTS
|
|
if args.test:
|
|
fil = args.test.lower()
|
|
tests_to_run = [t for t in ALL_TESTS if fil in t._name.lower()]
|
|
print(f"Running {len(tests_to_run)} tests matching '{args.test}':\n")
|
|
else:
|
|
print(f"Running {len(tests_to_run)} tests:\n")
|
|
|
|
for fn in tests_to_run:
|
|
fn()
|
|
print(results[-1])
|
|
|
|
passed = sum(1 for r in results if r.passed)
|
|
failed = len(results) - passed
|
|
total_time = sum(r.duration for r in results)
|
|
|
|
print(f"\n{'─'*62}")
|
|
print(f" {passed}/{len(results)} passed ({total_time:.2f}s total)")
|
|
|
|
if failed:
|
|
print(f"\n Failed:")
|
|
for r in results:
|
|
if not r.passed:
|
|
print(f" • {r.name}")
|
|
if r.error:
|
|
print(f" {r.error}")
|
|
|
|
print()
|
|
sys.exit(0 if failed == 0 else 1)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|