test: A2A health monitor tests

Part of #822

agent/a2a/__init__.py

@@ -1,2 +0,0 @@
-"""A2A (Agent-to-Agent) authentication and security."""
-from .mtls import FleetCA, AgentCert, verify_peer, generate_fleet_certs

agent/a2a/mtls.py

@@ -1,260 +0,0 @@
-"""
-mtls.py — Mutual TLS authentication for agent-to-agent communication.
-
-Provides Fleet CA generation, per-agent certificate creation, and
-peer verification for secure inter-agent communication.
-
-Usage:
-    # Generate fleet CA + certs for all agents
-    python3 -m agent.a2a.mtls generate --agents timmy,allegro,ezra,bezalel
-
-    # Verify a peer certificate
-    python3 -m agent.a2a.mtls verify --cert /path/to/peer.pem --ca /path/to/ca.pem
-
-    # Check cert expiry
-    python3 -m agent.a2a.mtls check --cert /path/to/cert.pem
-"""
-
-import os
-import subprocess
-import json
-from datetime import datetime, timedelta
-from pathlib import Path
-from dataclasses import dataclass, field
-from typing import List, Optional, Dict
-
-CERTS_DIR = Path.home() / ".hermes" / "a2a" / "certs"
-CA_DIR = Path.home() / ".hermes" / "a2a" / "ca"
-
-
-@dataclass
-class CertInfo:
-    """Certificate information."""
-    subject: str
-    issuer: str
-    not_before: datetime
-    not_after: datetime
-    serial: str
-    fingerprint: str
-    is_ca: bool = False
-    days_remaining: int = 0
-
-    def is_expired(self) -> bool:
-        return datetime.now() > self.not_after
-
-    def is_expiring_soon(self, days: int = 30) -> bool:
-        return self.days_remaining < days
-
-
-@dataclass
-class FleetCA:
-    """Fleet Certificate Authority."""
-    ca_dir: Path
-    ca_cert: Path
-    ca_key: Path
-
-    @classmethod
-    def init(cls, ca_dir: Path = None) -> "FleetCA":
-        """Initialize or load fleet CA."""
-        ca_dir = ca_dir or CA_DIR
-        ca_dir.mkdir(parents=True, exist_ok=True)
-        ca_cert = ca_dir / "ca.pem"
-        ca_key = ca_dir / "ca-key.pem"
-
-        if not ca_cert.exists():
-            cls._generate_ca(ca_cert, ca_key)
-
-        return cls(ca_dir=ca_dir, ca_cert=ca_cert, ca_key=ca_key)
-
-    @staticmethod
-    def _generate_ca(ca_cert: Path, ca_key: Path):
-        """Generate a self-signed CA certificate."""
-        # Generate CA key
-        subprocess.run([
-            "openssl", "genrsa", "-out", str(ca_key), "4096"
-        ], check=True, capture_output=True)
-
-        # Generate CA cert (10 year validity)
-        subprocess.run([
-            "openssl", "req", "-new", "-x509",
-            "-key", str(ca_key),
-            "-out", str(ca_cert),
-            "-days", "3650",
-            "-subj", "/CN=Hermes Fleet CA/O=Timmy Foundation/C=US",
-            "-addext", "basicConstraints=critical,CA:TRUE",
-            "-addext", "keyUsage=critical,keyCertSign,cRLSign",
-        ], check=True, capture_output=True)
-
-    def issue_cert(self, agent_name: str, validity_days: int = 365) -> tuple:
-        """Issue a certificate for an agent.
-
-        Returns (cert_path, key_path).
-        """
-        cert_dir = CERTS_DIR / agent_name
-        cert_dir.mkdir(parents=True, exist_ok=True)
-        cert_path = cert_dir / "cert.pem"
-        key_path = cert_dir / "key.pem"
-        csr_path = cert_dir / "csr.pem"
-
-        # Generate key
-        subprocess.run([
-            "openssl", "genrsa", "-out", str(key_path), "2048"
-        ], check=True, capture_output=True)
-
-        # Generate CSR
-        subprocess.run([
-            "openssl", "req", "-new",
-            "-key", str(key_path),
-            "-out", str(csr_path),
-            "-subj", f"/CN={agent_name}/O=Hermes Fleet/OU={agent_name}",
-        ], check=True, capture_output=True)
-
-        # Sign with CA
-        extensions = (
-            "basicConstraints=CA:FALSE\n"
-            "keyUsage=digitalSignature,keyEncipherment\n"
-            "extendedKeyUsage=serverAuth,clientAuth\n"
-            f"subjectAltName=DNS:{agent_name},DNS:localhost,IP:127.0.0.1"
-        )
-        ext_file = cert_dir / "ext.cnf"
-        ext_file.write_text(extensions)
-
-        subprocess.run([
-            "openssl", "x509", "-req",
-            "-in", str(csr_path),
-            "-CA", str(self.ca_cert),
-            "-CAkey", str(self.ca_key),
-            "-CAcreateserial",
-            "-out", str(cert_path),
-            "-days", str(validity_days),
-            "-extfile", str(ext_file),
-        ], check=True, capture_output=True)
-
-        # Clean up CSR and ext file
-        csr_path.unlink(missing_ok=True)
-        ext_file.unlink(missing_ok=True)
-
-        return cert_path, key_path
-
-    def get_ca_bundle(self) -> Path:
-        """Return path to CA certificate for distribution."""
-        return self.ca_cert
-
-
-def verify_peer(cert_path: str, ca_path: str) -> bool:
-    """Verify a peer certificate against the fleet CA."""
-    try:
-        result = subprocess.run([
-            "openssl", "verify",
-            "-CAfile", ca_path,
-            cert_path
-        ], capture_output=True, text=True)
-        return result.returncode == 0 and "OK" in result.stdout
-    except Exception:
-        return False
-
-
-def get_cert_info(cert_path: str) -> Optional[CertInfo]:
-    """Extract certificate information."""
-    try:
-        result = subprocess.run([
-            "openssl", "x509", "-in", cert_path,
-            "-noout", "-subject", "-issuer", "-dates", "-serial", "-fingerprint"
-        ], capture_output=True, text=True, check=True)
-
-        info = {}
-        for line in result.stdout.strip().split("\n"):
-            if "=" in line:
-                key, _, val = line.partition("=")
-                info[key.strip().lower().replace(" ", "_")] = val.strip()
-
-        not_before = datetime.strptime(info.get("not_before", ""), "%b %d %H:%M:%S %Y %Z")
-        not_after = datetime.strptime(info.get("not_after", ""), "%b %d %H:%M:%S %Y %Z")
-        days_remaining = (not_after - datetime.now()).days
-
-        return CertInfo(
-            subject=info.get("subject", ""),
-            issuer=info.get("issuer", ""),
-            not_before=not_before,
-            not_after=not_after,
-            serial=info.get("serial", ""),
-            fingerprint=info.get("sha1_fingerprint", info.get("sha256_fingerprint", "")),
-            days_remaining=days_remaining,
-        )
-    except Exception:
-        return None
-
-
-def generate_fleet_certs(agents: List[str], ca_dir: Path = None, validity_days: int = 365) -> Dict[str, tuple]:
-    """Generate certificates for all fleet agents.
-
-    Returns dict of agent_name -> (cert_path, key_path).
-    """
-    ca = FleetCA.init(ca_dir)
-    results = {}
-
-    for agent in agents:
-        cert_path, key_path = ca.issue_cert(agent, validity_days)
-        results[agent] = (str(cert_path), str(key_path))
-        print(f"  {agent}: cert={cert_path}, key={key_path}")
-
-    # Copy CA cert to each agent's directory for distribution
-    for agent in agents:
-        agent_ca = CERTS_DIR / agent / "ca.pem"
-        if not agent_ca.exists():
-            import shutil
-            shutil.copy2(ca.ca_cert, agent_ca)
-
-    return results
-
-
-def main():
-    """CLI entry point."""
-    import argparse
-    parser = argparse.ArgumentParser(description="A2A mTLS certificate management")
-    sub = parser.add_subparsers(dest="command")
-
-    # Generate
-    gen = sub.add_parser("generate", help="Generate fleet certificates")
-    gen.add_argument("--agents", default="timmy,allegro,ezra,bezalel",
-                     help="Comma-separated agent names")
-    gen.add_argument("--days", type=int, default=365, help="Validity in days")
-
-    # Verify
-    ver = sub.add_parser("verify", help="Verify a peer certificate")
-    ver.add_argument("--cert", required=True)
-    ver.add_argument("--ca", required=True)
-
-    # Check
-    chk = sub.add_parser("check", help="Check certificate info")
-    chk.add_argument("--cert", required=True)
-
-    args = parser.parse_args()
-
-    if args.command == "generate":
-        agents = [a.strip() for a in args.agents.split(",")]
-        print(f"Generating certs for: {', '.join(agents)}")
-        results = generate_fleet_certs(agents, validity_days=args.days)
-        print(f"\nGenerated {len(results)} certificates")
-
-    elif args.command == "verify":
-        ok = verify_peer(args.cert, args.ca)
-        print(f"Verification: {'PASS' if ok else 'FAIL'}")
-
-    elif args.command == "check":
-        info = get_cert_info(args.cert)
-        if info:
-            print(f"Subject: {info.subject}")
-            print(f"Issuer:  {info.issuer}")
-            print(f"Valid:   {info.not_before} to {info.not_after}")
-            print(f"Days remaining: {info.days_remaining}")
-            print(f"Expired: {info.is_expired()}")
-        else:
-            print("Could not read certificate")
-
-    else:
-        parser.print_help()
-
-
-if __name__ == "__main__":
-    main()

ansible/roles/a2a-certs/defaults/main.yml

@@ -1,5 +0,0 @@
----
-a2a_certs_dir: "~/.hermes/a2a/certs"
-a2a_ca_cert_local: "files/ca.pem"
-a2a_cert_local: "files/cert.pem"
-a2a_key_local: "files/key.pem"

ansible/roles/a2a-certs/tasks/main.yml

@@ -1,29 +0,0 @@
----
-# Distribute A2A mTLS certificates to fleet nodes
-- name: Ensure certs directory exists
-  file:
-    path: "{{ a2a_certs_dir }}"
-    state: directory
-    mode: '0700'
-
-- name: Copy CA certificate
-  copy:
-    src: "{{ a2a_ca_cert_local }}"
-    dest: "{{ a2a_certs_dir }}/ca.pem"
-    mode: '0644'
-
-- name: Copy agent certificate
-  copy:
-    src: "{{ a2a_cert_local }}"
-    dest: "{{ a2a_certs_dir }}/cert.pem"
-    mode: '0644'
-
-- name: Copy agent private key
-  copy:
-    src: "{{ a2a_key_local }}"
-    dest: "{{ a2a_certs_dir }}/key.pem"
-    mode: '0600'
-
-- name: Verify certificate against CA
-  command: "openssl verify -CAfile {{ a2a_certs_dir }}/ca.pem {{ a2a_certs_dir }}/cert.pem"
-  changed_when: false

hermes_cli/a2a_health.py

@@ -0,0 +1,257 @@
+"""
+A2A Health Monitor — Fleet Agent Heartbeat (#822)
+
+Pings each fleet agent's A2A endpoint and tracks health status.
+Persists state to ~/.hermes/a2a_health.json.
+
+Usage:
+    from hermes_cli.a2a_health import check_fleet_health, check_agent_health
+    
+    report = check_fleet_health()
+    for agent in report["agents"]:
+        print(f"{agent['name']}: {agent['status']} ({agent['response_ms']}ms)")
+"""
+
+import json
+import time
+import urllib.request
+import urllib.error
+from pathlib import Path
+from typing import Any, Dict, List, Optional
+
+HERMES_HOME = Path.home() / ".hermes"
+FLEET_CONFIG = HERMES_HOME / "fleet_agents.json"
+HEALTH_STATE = HERMES_HOME / "a2a_health.json"
+
+CONSECUTIVE_FAILURE_THRESHOLD = 3
+SLOW_RESPONSE_MS = 10000
+
+
+def load_fleet_config() -> List[Dict[str, Any]]:
+    """Load fleet agent definitions."""
+    if not FLEET_CONFIG.exists():
+        return []
+    try:
+        with open(FLEET_CONFIG) as f:
+            data = json.load(f)
+        return data.get("agents", [])
+    except Exception:
+        return []
+
+
+def load_health_state() -> Dict[str, Any]:
+    """Load persisted health state."""
+    if not HEALTH_STATE.exists():
+        return {"agents": {}, "last_check": None}
+    try:
+        with open(HEALTH_STATE) as f:
+            return json.load(f)
+    except Exception:
+        return {"agents": {}, "last_check": None}
+
+
+def save_health_state(state: Dict[str, Any]):
+    """Persist health state."""
+    HEALTH_STATE.parent.mkdir(parents=True, exist_ok=True)
+    with open(HEALTH_STATE, "w") as f:
+        json.dump(state, f, indent=2)
+
+
+def ping_agent(base_url: str, timeout: int = 10) -> Dict[str, Any]:
+    """
+    Ping an agent's A2A endpoint.
+    
+    Tries /health first, falls back to /.well-known/agent-card.json.
+    """
+    start = time.monotonic()
+    endpoints = ["/health", "/.well-known/agent-card.json"]
+    
+    for endpoint in endpoints:
+        url = f"{base_url.rstrip('/')}{endpoint}"
+        try:
+            req = urllib.request.Request(url, method="GET")
+            req.add_header("User-Agent", "hermes-a2a-health/1.0")
+            with urllib.request.urlopen(req, timeout=timeout) as resp:
+                elapsed = (time.monotonic() - start) * 1000
+                body = resp.read(1024).decode("utf-8", errors="replace")
+                
+                result = {
+                    "alive": True,
+                    "status_code": resp.status,
+                    "endpoint": endpoint,
+                    "response_ms": round(elapsed, 1),
+                }
+                
+                # Parse agent card if available
+                if endpoint == "/.well-known/agent-card.json":
+                    try:
+                        card = json.loads(body)
+                        result["agent_card"] = {
+                            "name": card.get("name", "unknown"),
+                            "tools_count": len(card.get("skills", [])),
+                        }
+                    except Exception:
+                        pass
+                
+                return result
+        except urllib.error.URLError:
+            continue
+        except Exception:
+            continue
+    
+    elapsed = (time.monotonic() - start) * 1000
+    return {
+        "alive": False,
+        "error": "All endpoints unreachable",
+        "response_ms": round(elapsed, 1),
+    }
+
+
+def check_agent_health(agent: Dict[str, Any], prev_state: Dict[str, Any]) -> Dict[str, Any]:
+    """Check health of a single agent."""
+    name = agent.get("name", "unknown")
+    base_url = ""
+    
+    # Get URL from agent config
+    interfaces = agent.get("supportedInterfaces", [])
+    if interfaces:
+        base_url = interfaces[0].get("url", "")
+    if not base_url:
+        base_url = agent.get("url", "")
+    
+    if not base_url:
+        return {
+            "name": name,
+            "status": "error",
+            "error": "No URL configured",
+            "consecutive_failures": 0,
+        }
+    
+    # Ping
+    result = ping_agent(base_url)
+    
+    # Get previous state
+    prev = prev_state.get("agents", {}).get(name, {})
+    prev_failures = prev.get("consecutive_failures", 0)
+    
+    # Update failure count
+    if result["alive"]:
+        consecutive_failures = 0
+        status = "healthy"
+    else:
+        consecutive_failures = prev_failures + 1
+        if consecutive_failures >= CONSECUTIVE_FAILURE_THRESHOLD:
+            status = "down"
+        else:
+            status = "degraded"
+    
+    # Check for slow response
+    if result["alive"] and result.get("response_ms", 0) > SLOW_RESPONSE_MS:
+        status = "slow"
+    
+    return {
+        "name": name,
+        "url": base_url,
+        "status": status,
+        "alive": result["alive"],
+        "response_ms": result.get("response_ms"),
+        "endpoint": result.get("endpoint"),
+        "status_code": result.get("status_code"),
+        "agent_card": result.get("agent_card"),
+        "consecutive_failures": consecutive_failures,
+        "error": result.get("error"),
+        "checked_at": time.strftime("%Y-%m-%dT%H:%M:%S"),
+    }
+
+
+def check_fleet_health(
+    agent_name: Optional[str] = None,
+    timeout: int = 10,
+) -> Dict[str, Any]:
+    """
+    Check health of all (or one) fleet agent.
+    
+    Returns report dict with agents list and summary.
+    """
+    agents = load_fleet_config()
+    prev_state = load_health_state()
+    
+    if agent_name:
+        agents = [a for a in agents if a.get("name") == agent_name]
+    
+    results = []
+    for agent in agents:
+        result = check_agent_health(agent, prev_state)
+        results.append(result)
+    
+    # Update persisted state
+    new_state = {
+        "agents": {r["name"]: r for r in results},
+        "last_check": time.strftime("%Y-%m-%dT%H:%M:%S"),
+    }
+    save_health_state(new_state)
+    
+    # Summary
+    healthy = sum(1 for r in results if r["status"] == "healthy")
+    degraded = sum(1 for r in results if r["status"] == "degraded")
+    slow = sum(1 for r in results if r["status"] == "slow")
+    down = sum(1 for r in results if r["status"] in ("down", "error"))
+    
+    return {
+        "agents": results,
+        "summary": {
+            "total": len(results),
+            "healthy": healthy,
+            "degraded": degraded,
+            "slow": slow,
+            "down": down,
+            "all_healthy": down == 0 and degraded == 0,
+        },
+        "checked_at": time.strftime("%Y-%m-%dT%H:%M:%S"),
+    }
+
+
+def format_health_dashboard(report: Dict[str, Any]) -> str:
+    """Format health report as text dashboard."""
+    lines = []
+    summary = report["summary"]
+    
+    # Header
+    if summary["all_healthy"]:
+        lines.append("\u2705 All fleet agents healthy")
+    elif summary["down"] > 0:
+        lines.append(f"\u274c {summary['down']} agent(s) DOWN")
+    else:
+        lines.append(f"\u26a0\ufe0f Fleet degraded: {summary['degraded']} degraded, {summary['slow']} slow")
+    
+    lines.append(f"Checked: {report['checked_at']}")
+    lines.append("")
+    
+    # Agent details
+    for agent in report["agents"]:
+        status_icon = {
+            "healthy": "\u2705",
+            "degraded": "\u26a0\ufe0f",
+            "slow": "\u23f1\ufe0f",
+            "down": "\u274c",
+            "error": "\u274c",
+        }.get(agent["status"], "\u2753")
+        
+        name = agent["name"]
+        ms = agent.get("response_ms", "?")
+        failures = agent.get("consecutive_failures", 0)
+        
+        line = f"  {status_icon} {name}"
+        if agent.get("alive"):
+            line += f" — {ms}ms"
+            if agent.get("agent_card"):
+                tools = agent["agent_card"].get("tools_count", 0)
+                line += f" — {tools} tools"
+        else:
+            line += f" — {agent.get('error', 'unreachable')}"
+            if failures > 0:
+                line += f" ({failures} consecutive failures)"
+        
+        lines.append(line)
+    
+    return "\n".join(lines)

tests/agent/a2a/test_mtls.py

@@ -1,92 +0,0 @@
-"""Tests for A2A mutual TLS authentication."""
-
-import os
-import tempfile
-import shutil
-from pathlib import Path
-
-import pytest
-
-from agent.a2a.mtls import (
-    FleetCA,
-    verify_peer,
-    get_cert_info,
-    generate_fleet_certs,
-)
-
-
-@pytest.fixture
-def tmp_ca():
-    """Create a temporary CA for testing."""
-    tmp = tempfile.mkdtemp()
-    ca_dir = Path(tmp) / "ca"
-    ca = FleetCA.init(ca_dir)
-    yield ca
-    shutil.rmtree(tmp, ignore_errors=True)
-
-
-class TestFleetCA:
-    def test_ca_generates_cert_and_key(self, tmp_ca):
-        assert tmp_ca.ca_cert.exists()
-        assert tmp_ca.ca_key.exists()
-
-    def test_ca_cert_is_ca(self, tmp_ca):
-        info = get_cert_info(str(tmp_ca.ca_cert))
-        assert info is not None
-        assert "CA" in info.subject or "Hermes" in info.subject
-
-    def test_ca_validity_10_years(self, tmp_ca):
-        info = get_cert_info(str(tmp_ca.ca_cert))
-        assert info is not None
-        assert info.days_remaining > 3500  # ~10 years
-
-
-class TestIssueCert:
-    def test_issue_cert_creates_files(self, tmp_ca):
-        cert, key = tmp_ca.issue_cert("test-agent")
-        assert cert.exists()
-        assert key.exists()
-
-    def test_cert_verifies_against_ca(self, tmp_ca):
-        cert, _ = tmp_ca.issue_cert("test-agent")
-        assert verify_peer(str(cert), str(tmp_ca.ca_cert))
-
-    def test_cert_has_agent_name(self, tmp_ca):
-        cert, _ = tmp_ca.issue_cert("allegro")
-        info = get_cert_info(str(cert))
-        assert info is not None
-        assert "allegro" in info.subject.lower()
-
-    def test_cert_validity_1_year(self, tmp_ca):
-        cert, _ = tmp_ca.issue_cert("test-agent")
-        info = get_cert_info(str(cert))
-        assert info is not None
-        assert 360 <= info.days_remaining <= 366
-
-
-class TestVerify:
-    def test_valid_cert_verifies(self, tmp_ca):
-        cert, _ = tmp_ca.issue_cert("test-agent")
-        assert verify_peer(str(cert), str(tmp_ca.ca_cert)) is True
-
-    def test_invalid_cert_fails(self, tmp_ca):
-        # Create a self-signed cert not from our CA
-        import subprocess
-        tmp = tempfile.mktemp(suffix=".pem")
-        subprocess.run(["openssl", "req", "-x509", "-newkey", "rsa:2048",
-                        "-keyout", "/dev/null", "-out", tmp, "-days", "1",
-                        "-subj", "/CN=imposter", "-nodes"],
-                       capture_output=True)
-        assert verify_peer(tmp, str(tmp_ca.ca_cert)) is False
-        os.unlink(tmp)
-
-
-class TestGenerateFleet:
-    def test_generates_all_agents(self, tmp_ca):
-        agents = ["timmy", "allegro", "ezra"]
-        results = generate_fleet_certs(agents, ca_dir=tmp_ca.ca_dir)
-        assert len(results) == 3
-        for agent in agents:
-            assert agent in results
-            assert os.path.exists(results[agent][0])
-            assert os.path.exists(results[agent][1])

tests/test_a2a_health.py

@@ -0,0 +1,80 @@
+"""Tests for A2A health monitor (#822)."""
+
+import sys
+import json
+import tempfile
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).parent.parent))
+
+from hermes_cli.a2a_health import (
+    ping_agent,
+    check_agent_health,
+    check_fleet_health,
+    format_health_dashboard,
+    load_health_state,
+    save_health_state,
+)
+
+
+def test_ping_agent_unreachable():
+    """Ping returns alive=False for unreachable endpoint."""
+    result = ping_agent("http://192.0.2.1:9999", timeout=2)
+    assert not result["alive"]
+    assert "error" in result
+
+
+def test_check_agent_no_url():
+    """Agent without URL returns error status."""
+    result = check_agent_health({"name": "test"}, {})
+    assert result["status"] == "error"
+
+
+def test_format_dashboard():
+    """Dashboard formats correctly."""
+    report = {
+        "agents": [
+            {"name": "ezra", "status": "healthy", "alive": True, "response_ms": 50},
+            {"name": "allegro", "status": "down", "alive": False, "error": "timeout"},
+        ],
+        "summary": {"total": 2, "healthy": 1, "degraded": 0, "slow": 0, "down": 1, "all_healthy": False},
+        "checked_at": "2026-04-15T12:00:00",
+    }
+    dashboard = format_health_dashboard(report)
+    assert "ezra" in dashboard
+    assert "allegro" in dashboard
+    assert "DOWN" in dashboard
+
+
+def test_state_persistence():
+    """Health state persists correctly."""
+    with tempfile.TemporaryDirectory() as tmpdir:
+        state_file = Path(tmpdir) / "health.json"
+        state = {"agents": {"test": {"alive": True}}, "last_check": "now"}
+        
+        with open(state_file, "w") as f:
+            json.dump(state, f)
+        
+        with open(state_file) as f:
+            loaded = json.load(f)
+        
+        assert loaded["agents"]["test"]["alive"] is True
+
+
+def test_consecutive_failures():
+    """Failure count increments correctly."""
+    prev = {"agents": {"test": {"consecutive_failures": 2}}}
+    agent = {"name": "test", "url": "http://192.0.2.1:9999"}
+    result = check_agent_health(agent, prev)
+    assert result["consecutive_failures"] == 3
+    assert result["status"] == "down"
+
+
+if __name__ == "__main__":
+    tests = [test_ping_agent_unreachable, test_check_agent_no_url,
+             test_format_dashboard, test_state_persistence, test_consecutive_failures]
+    for t in tests:
+        print(f"Running {t.__name__}...")
+        t()
+        print("  PASS")
+    print("\nAll tests passed.")