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"""Tests for cross-agent-send.
Subprocess-based: treat the script as a black-box CLI and assert on its
exit codes, stdout, and the files it produces.
"""
from __future__ import annotations
import os
import subprocess
import textwrap
from pathlib import Path
import pytest
SCRIPT = Path(__file__).resolve().parent.parent / "cross-agent-comms" / "cross-agent-send"
def _make_message(tmp_path: Path, conv_id: str = "test-conv", seq: int = 1, msg_type: str = "request",
proto_version: str = "5") -> Path:
msg = tmp_path / "msg.org"
msg.write_text(textwrap.dedent(f"""\
#+TITLE: Test message
#+CONVERSATION_ID: {conv_id}
#+MESSAGE_TYPE: {msg_type}
#+SEQUENCE: {seq}
#+TIMESTAMP: 2026-04-27T05:00:00-05:00
#+PROTOCOL_VERSION: {proto_version}
Body.
"""))
return msg
def _run(args: list[str], env: dict | None = None, cwd: Path | None = None) -> subprocess.CompletedProcess:
return subprocess.run(
[str(SCRIPT), *args],
capture_output=True,
text=True,
env=env,
cwd=cwd,
)
@pytest.fixture
def isolated_env(tmp_path, monkeypatch):
"""Redirect HOME so peers.toml, HALT, marker files are scoped to the test."""
fake_home = tmp_path / "home"
fake_home.mkdir()
monkeypatch.setenv("HOME", str(fake_home))
# Pre-create projects/ so derive_sender_project has somewhere to look.
(fake_home / "projects" / "homelab").mkdir(parents=True)
return fake_home
def test_send_help(isolated_env):
"""--help works without side effects."""
result = _run(["--help"], env={**os.environ, "HOME": str(isolated_env)})
assert result.returncode == 0
assert "Send a cross-agent message" in result.stdout
def test_send_missing_message_file(isolated_env):
"""Nonexistent message file returns general error."""
import socket
machine = socket.gethostname().split(".")[0]
result = _run(
[f"{machine}.homelab", str(isolated_env / "nonexistent.org")],
env={**os.environ, "HOME": str(isolated_env)},
)
assert result.returncode == 1
assert "not found" in result.stderr.lower()
def test_send_invalid_destination_format(isolated_env, tmp_path):
"""Destination without . returns dest-not-found exit code."""
msg = _make_message(tmp_path)
result = _run(
["bogus", str(msg)],
env={**os.environ, "HOME": str(isolated_env)},
)
assert result.returncode == 2
assert "<machine>.<project>" in result.stderr or "destination" in result.stderr.lower()
def test_send_dest_not_in_peers(isolated_env, tmp_path):
"""Cross-machine destination with no peers.toml entry exits 2."""
msg = _make_message(tmp_path)
result = _run(
["unknownmachine.homelab", str(msg)],
env={**os.environ, "HOME": str(isolated_env)},
)
assert result.returncode == 2
assert "not found in peers" in result.stderr
def test_send_frontmatter_missing_required(isolated_env, tmp_path):
"""Message missing required fields exits 4."""
bad = tmp_path / "bad.org"
bad.write_text("#+TITLE: nope\n\nBody.\n")
import socket
machine = socket.gethostname().split(".")[0]
result = _run(
[f"{machine}.homelab", str(bad)],
env={**os.environ, "HOME": str(isolated_env)},
)
assert result.returncode == 4
assert "missing required fields" in result.stderr
def test_send_invalid_message_type(isolated_env, tmp_path):
"""Unknown MESSAGE_TYPE exits 4."""
msg = _make_message(tmp_path, msg_type="frobnicate")
import socket
machine = socket.gethostname().split(".")[0]
result = _run(
[f"{machine}.homelab", str(msg)],
env={**os.environ, "HOME": str(isolated_env)},
)
assert result.returncode == 4
assert "MESSAGE_TYPE" in result.stderr
def test_send_halt_blocks(isolated_env, tmp_path):
"""When HALT exists, send refuses with exit 5."""
halt = isolated_env / ".config" / "cross-agent-comms" / "HALT"
halt.parent.mkdir(parents=True)
halt.write_text("test halt\n")
msg = _make_message(tmp_path)
import socket
machine = socket.gethostname().split(".")[0]
result = _run(
[f"{machine}.homelab", str(msg)],
env={**os.environ, "HOME": str(isolated_env)},
)
assert result.returncode == 5
assert "halt active" in result.stderr.lower()
def test_send_same_machine_no_sign_delivers(isolated_env, tmp_path):
"""Same-machine delivery with --no-sign produces a canonically named file."""
msg = _make_message(tmp_path, conv_id="my-conv")
import socket
machine = socket.gethostname().split(".")[0]
# Sender is derived from CWD walking up to ~/projects/<name>/
cwd = isolated_env / "projects" / "homelab"
result = _run(
[f"{machine}.homelab", str(msg), "--no-sign"],
env={**os.environ, "HOME": str(isolated_env)},
cwd=cwd,
)
assert result.returncode == 0, f"stderr={result.stderr}"
inbox = isolated_env / "projects" / "homelab" / "inbox" / "from-agents"
files = list(inbox.glob("*-from-homelab-my-conv.org"))
assert len(files) == 1
# No sig file with --no-sign.
assert not list(inbox.glob("*.asc"))
# Canonical filename pattern.
assert files[0].name.startswith("2026") and files[0].name.endswith("-from-homelab-my-conv.org")
def test_send_same_machine_signed_writes_asc(isolated_env, tmp_path):
"""Signed delivery writes both .org and .asc."""
msg = _make_message(tmp_path, conv_id="signed-conv")
import socket
machine = socket.gethostname().split(".")[0]
cwd = isolated_env / "projects" / "homelab"
# Use the real GPG keyring (not isolating GPG — Craig's existing keys are fine for tests).
real_env = {**os.environ, "HOME": str(isolated_env), "GNUPGHOME": str(Path.home() / ".gnupg")}
result = _run(
[f"{machine}.homelab", str(msg)],
env=real_env,
cwd=cwd,
)
if result.returncode != 0:
pytest.skip(f"GPG signing unavailable in this environment: {result.stderr}")
inbox = isolated_env / "projects" / "homelab" / "inbox" / "from-agents"
org_files = list(inbox.glob("*-from-homelab-signed-conv.org"))
asc_files = list(inbox.glob("*-from-homelab-signed-conv.org.asc"))
assert len(org_files) == 1
assert len(asc_files) == 1
def test_send_filename_ignores_input_basename(isolated_env, tmp_path):
"""User's input filename is ignored; canonical filename is generated."""
weird = tmp_path / "weird-user-name.org"
weird.write_text(textwrap.dedent("""\
#+TITLE: Title
#+CONVERSATION_ID: ignored-input
#+MESSAGE_TYPE: request
#+SEQUENCE: 1
#+TIMESTAMP: 2026-04-27T05:00:00-05:00
#+PROTOCOL_VERSION: 5
Body.
"""))
import socket
machine = socket.gethostname().split(".")[0]
cwd = isolated_env / "projects" / "homelab"
result = _run(
[f"{machine}.homelab", str(weird), "--no-sign"],
env={**os.environ, "HOME": str(isolated_env)},
cwd=cwd,
)
assert result.returncode == 0
inbox = isolated_env / "projects" / "homelab" / "inbox" / "from-agents"
# No file named after the user's input.
assert not (inbox / "weird-user-name.org").exists()
# Canonical naming used.
assert list(inbox.glob("*-from-homelab-ignored-input.org"))
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