Files
tinygrad/test/external/external_test_llm_opencode.py
T
2026-07-30 13:54:01 +00:00

91 lines
4.2 KiB
Python

"""Real-model OpenCode regression.
Run against an existing server:
RUN_LLM_OPENCODE_REGRESSION=1 LLM_BASE_URL=http://127.0.0.1:8000/v1 \
python -m pytest test/external/external_test_llm_opencode.py -v
Or set LLM_GGUF and let the test start the tinygrad server.
"""
from __future__ import annotations
import json, os, pathlib, re, shutil, socket, subprocess, sys, tempfile, time, unittest, urllib.request
RUN_REGRESSION = os.getenv("RUN_LLM_OPENCODE_REGRESSION") == "1"
def _server_ready(base_url:str) -> bool:
try:
with urllib.request.urlopen(base_url.rstrip("/") + "/models", timeout=1) as response: return response.status == 200
except OSError: return False
@unittest.skipUnless(RUN_REGRESSION, "set RUN_LLM_OPENCODE_REGRESSION=1 to run the OpenCode regression")
class TestLLMOpenCode(unittest.TestCase):
server:subprocess.Popen|None = None
server_log:tempfile._TemporaryFileWrapper|None = None
@classmethod
def setUpClass(cls):
if shutil.which("opencode") is None: raise unittest.SkipTest("opencode is not installed")
if base_url := os.getenv("LLM_BASE_URL"):
cls.base_url = base_url.rstrip("/")
if not cls.base_url.endswith("/v1"): cls.base_url += "/v1"
if not _server_ready(cls.base_url): raise RuntimeError(f"LLM server is not responding at {cls.base_url}")
return
model = pathlib.Path(os.environ["LLM_GGUF"])
with socket.socket() as sock:
sock.bind(("127.0.0.1", 0))
port = sock.getsockname()[1]
cls.base_url = f"http://127.0.0.1:{port}/v1"
cls.server_log = tempfile.NamedTemporaryFile(mode="w+", prefix="tinygrad-llm-")
cls.server = subprocess.Popen(
[sys.executable, "-m", "tinygrad.llm", "--model", str(model), "--serve", str(port), "--max_context", "262144"],
stdout=cls.server_log, stderr=subprocess.STDOUT, start_new_session=True)
deadline = time.monotonic() + 180
while time.monotonic() < deadline and cls.server.poll() is None:
if _server_ready(cls.base_url): return
time.sleep(0.25)
cls.server_log.seek(0)
raise RuntimeError(f"LLM server failed to start:\n{cls.server_log.read()[-8000:]}")
@classmethod
def tearDownClass(cls):
if cls.server is not None:
cls.server.terminate()
try: cls.server.wait(timeout=10)
except subprocess.TimeoutExpired:
cls.server.kill()
cls.server.wait(timeout=10)
if cls.server_log is not None: cls.server_log.close()
def run_opencode(self, prompt:str, cwd:pathlib.Path) -> str:
config = cwd / "opencode.json"
config.write_text(json.dumps({
"$schema": "https://opencode.ai/config.json", "permission": {"*": "allow"}, "formatter": False, "lsp": False,
"provider": {"regression": {"npm": "@ai-sdk/openai-compatible", "options": {"baseURL": self.base_url},
"models": {"tinygrad": {"name": "tinygrad"}}}},
}))
env = os.environ | {"OPENCODE_CONFIG": str(config)}
result = subprocess.run(
["opencode", "run", "--pure", "--auto", "--dir", str(cwd), "-m", "regression/tinygrad", prompt],
cwd=cwd, env=env, text=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, timeout=120)
self.assertEqual(result.returncode, 0, result.stdout)
return re.sub(r"\x1b\[[0-?]*[ -/]*[@-~]", "", result.stdout)
def test_read_tool(self):
with tempfile.TemporaryDirectory() as directory:
cwd, marker = pathlib.Path(directory), "tinygrad-opencode-regression-7f3a91c2"
(cwd / "exact.txt").write_text(marker + "\n")
output = self.run_opencode("Read exact.txt with a tool and reply with its exact contents, with no other text.", cwd)
self.assertRegex(output, r"(?im)^\s*(?:→|>)\s*Read\s+exact\.txt\s*$")
self.assertIn(marker, output)
def test_shell_tool(self):
with tempfile.TemporaryDirectory() as directory:
cwd = pathlib.Path(directory)
output = self.run_opencode(
"Use the shell tool to run `printf tinygrad-shell-regression > shell-regression.txt`, then report completion.", cwd)
self.assertRegex(output, r"(?im)^\s*(?:\$|→|>)\s*.*printf\s+tinygrad-shell-regression")
self.assertEqual((cwd / "shell-regression.txt").read_text(), "tinygrad-shell-regression")
if __name__ == "__main__": unittest.main()