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nisse/nisse-dev/tests/test_tools.py
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dongarandClaude Opus 5 999a38a705
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Fix process-group kill test to work without an init process
os.kill(pid, 0) succeeds on a zombie, and a killed orphan stays a
zombie until reaped — which never happens inside a CI container with
no init. The test read that as "still alive" and failed there while
passing locally. It now reads the process state from /proc, with a
control assertion so a broken liveness check cannot pass silently.
The group kill itself was correct.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-09-07 16:37:38 +00:00

130 lines
4.2 KiB
Python

import os
from pathlib import Path
import pytest
from nisse_dev.tools import EXECUTOR_TOOLS, MAX_OUTPUT_CHARS, Workspace
@pytest.fixture
def ws(tmp_path: Path) -> Workspace:
return Workspace(tmp_path / "work", timeout_s=10)
def test_manifest_is_small_and_flat() -> None:
# A15: fewer tools, flatter arguments for the local executor.
names = [t["function"]["name"] for t in EXECUTOR_TOOLS]
assert names == ["read_file", "write_file", "list_dir", "run_command"]
for tool in EXECUTOR_TOOLS:
props = tool["function"]["parameters"]["properties"]
assert all(p["type"] == "string" for p in props.values())
def test_write_then_read_round_trip(ws: Workspace) -> None:
assert ws.write_file("src/app.py", "print('hi')\n").success
outcome = ws.read_file("src/app.py")
assert outcome.success
assert outcome.result == "print('hi')\n"
def test_relative_paths_land_in_the_workspace(ws: Workspace) -> None:
ws.write_file("notes.txt", "x")
assert (ws.root / "notes.txt").exists()
def test_read_missing_file_is_a_failed_result_not_an_exception(
ws: Workspace,
) -> None:
outcome = ws.read_file("nope.txt")
assert not outcome.success
assert "could not read" in outcome.result
def test_list_dir(ws: Workspace) -> None:
ws.write_file("a.txt", "a")
ws.write_file("sub/b.txt", "b")
outcome = ws.list_dir(".")
assert outcome.success
assert outcome.result.splitlines() == ["a.txt", "sub/"]
def test_list_empty_dir(ws: Workspace) -> None:
assert ws.list_dir(".").result == "(empty)"
def test_run_command_success_reports_exit_code_and_stdout(ws: Workspace) -> None:
outcome = ws.run_command("echo hello")
assert outcome.success
assert "exit code: 0" in outcome.result
assert "hello" in outcome.result
def test_nonzero_exit_is_a_result_not_an_error(ws: Workspace) -> None:
outcome = ws.run_command("exit 3")
assert not outcome.success # feeds the A12 failure count
assert "exit code: 3" in outcome.result
def test_command_runs_in_the_workspace(ws: Workspace) -> None:
ws.write_file("marker.txt", "here")
assert "marker.txt" in ws.run_command("ls").result
def test_command_timeout_is_reported(tmp_path: Path) -> None:
ws = Workspace(tmp_path / "work", timeout_s=1)
outcome = ws.run_command("sleep 30")
assert not outcome.success
assert "timed out" in outcome.result
def _is_running(pid: int) -> bool:
"""os.kill(pid, 0) is not enough: a killed orphan stays a zombie until
something reaps it, and no init does that inside a CI container. Read the
process state instead."""
try:
stat = Path(f"/proc/{pid}/stat").read_text()
except FileNotFoundError:
return False
# State is the first field after the parenthesised comm.
return stat.rsplit(")", 1)[1].split()[0] != "Z"
def test_timeout_kills_the_whole_process_group(tmp_path: Path) -> None:
ws = Workspace(tmp_path / "work", timeout_s=1)
pidfile = ws.root / "child.pid"
# A backgrounded grandchild must not outlive the timeout.
ws.run_command(f"(sleep 30 & echo $! > {pidfile}); sleep 30")
assert pidfile.exists()
pid = int(pidfile.read_text().strip())
assert _is_running(os.getpid()), "liveness check is broken, not the kill"
assert not _is_running(pid)
def test_agent_credentials_are_not_inherited(
ws: Workspace, monkeypatch: pytest.MonkeyPatch
) -> None:
monkeypatch.setenv("NISSE_LLM_TOKEN", "sk-secret")
monkeypatch.setenv("PATH", os.environ["PATH"])
outcome = ws.run_command("echo [${NISSE_LLM_TOKEN}]")
assert "sk-secret" not in outcome.result
assert "[]" in outcome.result
def test_stdin_is_closed_so_prompts_fail_fast(ws: Workspace) -> None:
outcome = ws.run_command("read line && echo got")
assert not outcome.success
assert "got" not in outcome.result
def test_long_output_is_truncated(ws: Workspace) -> None:
outcome = ws.run_command("printf 'x%.0s' $(seq 1 20000)")
assert len(outcome.result) < MAX_OUTPUT_CHARS + 200
assert "truncated" in outcome.result
def test_dispatch_unknown_tool_and_missing_argument(ws: Workspace) -> None:
assert not ws.dispatch("fly", {}).success
missing = ws.dispatch("read_file", {})
assert not missing.success
assert "missing argument" in missing.result