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agent-builder/tests/test_template_init.py
robert a3466c7a9a
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Track builder workspace deployment base
2026-05-19 09:10:43 -03:00

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Python

from __future__ import annotations
import io
import tarfile
import unittest
from agent_builder.tools import (
_BUILDER_STATE_FILE,
_deployment_drift_error,
_render_a2a_init_template,
_tarball_workspace_dir,
)
class TemplateInitTests(unittest.TestCase):
def test_render_a2a_init_template_matches_sdk_starter(self) -> None:
files = _render_a2a_init_template(
"research-agent",
description="Research helper",
)
self.assertEqual(set(files), {"agent.py", "a2a.yaml", "requirements.txt"})
self.assertIn('name = "research-agent"', files["agent.py"])
self.assertIn('description = "Research helper"', files["agent.py"])
self.assertIn("LLMProvisioning.CALLER_PROVIDED", files["agent.py"])
self.assertIn("ctx.llm", files["agent.py"])
self.assertIn("ctx.workspace_backend()", files["agent.py"])
self.assertIn("create_deep_agent", files["agent.py"])
self.assertIn("name: research-agent", files["a2a.yaml"])
self.assertIn("entrypoint: agent:ResearchAgent", files["a2a.yaml"])
self.assertIn("deepagents>=0.5.0", files["requirements.txt"])
def test_render_a2a_init_template_rejects_invalid_names(self) -> None:
with self.assertRaises(ValueError):
_render_a2a_init_template("Bad Name")
def test_agent_projects_can_diverge_from_template(self) -> None:
files = _render_a2a_init_template("regex-explainer")
files["agent.py"] = "from a2a_pack import A2AAgent\n"
self.assertIn("A2AAgent", files["agent.py"])
def test_deployment_drift_error_blocks_stale_workspace(self) -> None:
latest = {"deploy_id": "dpl_1", "head_sha": "abc1234"}
err = _deployment_drift_error("demo-agent", latest, {}, force=False)
self.assertIsNotNone(err)
assert err is not None
self.assertEqual(err["error"], "workspace_drift")
self.assertEqual(err["current_head_sha"], "abc1234")
self.assertIsNone(err["workspace_base_head_sha"])
def test_deployment_drift_error_allows_matching_or_forced_workspace(self) -> None:
latest = {"deploy_id": "dpl_1", "head_sha": "abc1234"}
self.assertIsNone(
_deployment_drift_error(
"demo-agent",
latest,
{"repo_head_sha": "abc1234"},
force=False,
)
)
self.assertIsNone(
_deployment_drift_error(
"demo-agent",
latest,
{"repo_head_sha": "old9999"},
force=True,
)
)
def test_tarball_workspace_excludes_builder_state(self) -> None:
prefix = "agents/demo-agent/"
s3 = _FakeS3({
prefix + "agent.py": b"print('ok')\n",
prefix + _BUILDER_STATE_FILE: b'{"repo_head_sha":"abc1234"}',
})
bundle = _tarball_workspace_dir(s3, "bucket", prefix)
with tarfile.open(fileobj=io.BytesIO(bundle), mode="r:gz") as tf:
self.assertEqual(tf.getnames(), ["agent.py"])
def _tarball(files: dict[str, str]) -> bytes:
buf = io.BytesIO()
with tarfile.open(fileobj=buf, mode="w:gz") as tf:
for path, text in files.items():
body = text.encode("utf-8")
info = tarfile.TarInfo(path)
info.size = len(body)
tf.addfile(info, io.BytesIO(body))
return buf.getvalue()
class _FakeS3:
def __init__(self, objects: dict[str, bytes]) -> None:
self.objects = objects
def get_paginator(self, name: str) -> "_FakePaginator":
assert name == "list_objects_v2"
return _FakePaginator(self.objects)
def get_object(self, *, Bucket: str, Key: str) -> dict[str, io.BytesIO]:
return {"Body": io.BytesIO(self.objects[Key])}
class _FakePaginator:
def __init__(self, objects: dict[str, bytes]) -> None:
self.objects = objects
def paginate(self, *, Bucket: str, Prefix: str) -> list[dict[str, object]]:
return [
{
"Contents": [
{"Key": key, "Size": len(value)}
for key, value in sorted(self.objects.items())
if key.startswith(Prefix)
]
}
]