deer-flow/backend/tests/test_agent_guidance_check.py

181 lines
7.5 KiB
Python

from __future__ import annotations
import importlib.util
from pathlib import Path, PurePosixPath
import pytest
REPO_ROOT = Path(__file__).resolve().parents[2]
CHECKER_PATH = REPO_ROOT / "scripts" / "check_agent_guidance.py"
EXPECTED_GUIDANCE_PATHS = {
"AGENTS.md",
"backend/AGENTS.md",
"frontend/AGENTS.md",
"backend/app/gateway/AGENTS.md",
"backend/app/channels/AGENTS.md",
"backend/packages/harness/deerflow/AGENTS.md",
"backend/packages/harness/deerflow/agents/AGENTS.md",
"backend/packages/harness/deerflow/agents/middlewares/AGENTS.md",
"backend/packages/harness/deerflow/agents/memory/AGENTS.md",
"backend/packages/harness/deerflow/config/AGENTS.md",
"backend/packages/harness/deerflow/extensions/AGENTS.md",
"backend/packages/harness/deerflow/runtime/AGENTS.md",
"backend/packages/harness/deerflow/sandbox/AGENTS.md",
"backend/packages/harness/deerflow/mcp/AGENTS.md",
"backend/packages/harness/deerflow/models/AGENTS.md",
"backend/packages/harness/deerflow/persistence/migrations/AGENTS.md",
"backend/packages/harness/deerflow/reflection/AGENTS.md",
"backend/packages/harness/deerflow/skills/AGENTS.md",
"backend/packages/harness/deerflow/subagents/AGENTS.md",
"backend/packages/harness/deerflow/tools/AGENTS.md",
"backend/packages/harness/deerflow/tracing/AGENTS.md",
"backend/packages/harness/deerflow/tui/AGENTS.md",
"frontend/src/AGENTS.md",
"scripts/AGENTS.md",
}
def _load_checker():
assert CHECKER_PATH.exists(), f"{CHECKER_PATH} must exist"
spec = importlib.util.spec_from_file_location("deerflow_agent_guidance_check", CHECKER_PATH)
assert spec is not None
assert spec.loader is not None
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module)
return module
checker = _load_checker()
def _files(**overrides: str) -> dict[PurePosixPath, str]:
files = {PurePosixPath("AGENTS.md"): "# Repository instructions\n"}
files.update({PurePosixPath(path): text for path, text in overrides.items()})
return files
def _codes(findings, severity: str | None = None) -> list[str]:
return [finding.code for finding in findings if severity is None or finding.severity == severity]
def test_normalized_utf8_size_uses_lf_and_counts_non_ascii_bytes() -> None:
assert checker.normalized_utf8_size("a\r\n\r") == len("a\n\n".encode())
@pytest.mark.parametrize(
("path", "soft", "hard"),
[
("AGENTS.md", 16 * 1024, 20 * 1024),
("backend/AGENTS.md", 28 * 1024, 32 * 1024),
("backend/app/gateway/AGENTS.md", 40 * 1024, 48 * 1024),
],
)
def test_budget_depends_on_directory_level(path: str, soft: int, hard: int) -> None:
assert checker.agent_budget(PurePosixPath(path)) == (soft, hard)
def test_single_file_over_hard_limit_is_an_error(tmp_path: Path) -> None:
findings = checker.analyze(tmp_path, _files(**{"AGENTS.md": "x" * (20 * 1024 + 1)}))
assert "AG001" in _codes(findings, "error")
def test_effective_ancestor_chain_can_fail_when_each_file_is_valid(tmp_path: Path) -> None:
files = _files(
**{
"AGENTS.md": "r" * (15 * 1024),
"backend/AGENTS.md": "m" * (31 * 1024),
"backend/app/AGENTS.md": "l" * (47 * 1024),
"backend/app/gateway/AGENTS.md": "g" * (47 * 1024),
}
)
findings = checker.analyze(tmp_path, files)
assert "AG001" not in _codes(findings, "error")
assert "AG002" in _codes(findings, "error")
def test_legacy_hard_violation_may_shrink_but_may_not_grow(tmp_path: Path) -> None:
base = _files(**{"AGENTS.md": "x" * (20 * 1024)})
smaller = _files(**{"AGENTS.md": "x" * (20 * 1024 - 1)})
grown = _files(**{"AGENTS.md": "x" * (20 * 1024 + 1)})
smaller_findings = checker.analyze(tmp_path, smaller, base_files=base)
grown_findings = checker.analyze(tmp_path, grown, base_files=base)
assert "AG001" not in _codes(smaller_findings, "error")
assert "AG001" in _codes(grown_findings, "error")
def test_discovery_uses_exact_agents_basename() -> None:
paths = [
PurePosixPath("AGENTS.md"),
PurePosixPath("backend/AGENTS.md"),
PurePosixPath("backend/CLAUDE.md"),
PurePosixPath("backend/docs/GITHUB_AGENTS.md"),
]
assert checker.guidance_paths(paths) == {
PurePosixPath("AGENTS.md"),
PurePosixPath("backend/AGENTS.md"),
}
def test_repository_has_the_approved_scoped_guidance_shape() -> None:
actual = {path.as_posix() for path in checker.guidance_paths(checker._worktree_paths(REPO_ROOT))}
assert actual == EXPECTED_GUIDANCE_PATHS
def test_repository_guidance_stays_below_soft_budgets_and_avoids_doc_indexes() -> None:
for relative_text in EXPECTED_GUIDANCE_PATHS:
relative = PurePosixPath(relative_text)
path = REPO_ROOT / relative_text
assert path.is_file(), relative
soft, _ = checker.agent_budget(relative)
text = path.read_text(encoding="utf-8")
assert checker.normalized_utf8_size(text) <= soft, relative
assert "Subsystem Index" not in text
def test_local_guidance_files_contain_the_split_original_sections() -> None:
expected_headings = {
"backend/app/gateway/AGENTS.md": "### Gateway API (`app/gateway/`)",
"backend/app/channels/AGENTS.md": "### IM Channels System (`app/channels/`)",
"backend/packages/harness/deerflow/agents/AGENTS.md": "### Agent System",
"backend/packages/harness/deerflow/agents/middlewares/AGENTS.md": "### Middleware Chain",
"backend/packages/harness/deerflow/agents/memory/AGENTS.md": "### Memory System",
"backend/packages/harness/deerflow/config/AGENTS.md": "### Configuration System",
"backend/packages/harness/deerflow/extensions/AGENTS.md": "### Python Extension System",
"backend/packages/harness/deerflow/runtime/AGENTS.md": "### Checkpoint Channel Modes",
"backend/packages/harness/deerflow/sandbox/AGENTS.md": "### Sandbox System",
"backend/packages/harness/deerflow/mcp/AGENTS.md": "### MCP System",
"backend/packages/harness/deerflow/models/AGENTS.md": "### Model Factory",
"backend/packages/harness/deerflow/persistence/migrations/AGENTS.md": "### Schema Migrations",
"backend/packages/harness/deerflow/reflection/AGENTS.md": "### Reflection System",
"backend/packages/harness/deerflow/skills/AGENTS.md": "### Skills System",
"backend/packages/harness/deerflow/subagents/AGENTS.md": "### Subagent System",
"backend/packages/harness/deerflow/tools/AGENTS.md": "### Tool System",
"backend/packages/harness/deerflow/tracing/AGENTS.md": "### Tracing System",
"backend/packages/harness/deerflow/tui/AGENTS.md": "### Terminal Workbench / TUI",
"frontend/src/AGENTS.md": "### Data Flow",
}
for relative_text, heading in expected_headings.items():
text = (REPO_ROOT / relative_text).read_text(encoding="utf-8")
assert heading in text, relative_text
assert "Before changing files in this directory" not in text, relative_text
def test_repository_exposes_one_local_and_one_ci_entrypoint() -> None:
makefile = (REPO_ROOT / "Makefile").read_text(encoding="utf-8")
workflow = (REPO_ROOT / ".github" / "workflows" / "lint-check.yml").read_text(encoding="utf-8")
assert "check-agent-guidance:" in makefile
assert "scripts/check_agent_guidance.py" in makefile
assert workflow.count("agent-guidance:") == 1
assert "fetch-depth: 0" in workflow
assert "--base-ref" in workflow
assert "--before" in workflow