Sergey Antropoff
91 lines
3.1 KiB
Python
91 lines
3.1 KiB
Python
"""Contract-driven route registry tests."""
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from datetime import UTC, datetime
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from pathlib import Path
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from typing import Any
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import pytest
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from fastapi import Request
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from httpx import ASGITransport, AsyncClient
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from pydantic import ValidationError
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from app.api.registry import HandlerRegistry, RouteCollisionError
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from app.config import Settings
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from app.contracts.model import Method, PathContract, Schema, Snapshot
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from app.main import create_app
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from tests.unit.test_health import FakeDatabase
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def contract_snapshot(*methods: Method) -> Snapshot:
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paths = (PathContract(path="/version", methods=methods),)
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return Snapshot(
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source_version="test",
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retrieved_at=datetime(2026, 1, 1, tzinfo=UTC),
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raw_sha256="0" * 64,
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paths=paths,
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path_count=1,
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method_count=len(methods),
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)
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def get_method() -> Method:
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return Method(
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verb="GET",
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name="version",
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returns=Schema(type="object", properties={"version": Schema(type="string")}),
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checksum="1" * 64,
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)
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async def request_app(
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tmp_path: Path, fallback: str, handlers: HandlerRegistry | None = None
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) -> tuple[dict[str, Any], dict[str, Any]]:
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snapshot_path = tmp_path / "snapshot.json"
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snapshot_path.write_bytes(contract_snapshot(get_method()).canonical_bytes())
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settings = Settings(contract_snapshot=snapshot_path, contract_fallback=fallback)
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database = FakeDatabase(True)
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app = create_app(settings, lambda _settings: database, handlers)
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async with app.router.lifespan_context(app):
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async with AsyncClient(transport=ASGITransport(app=app), base_url="http://test") as client:
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json_response = await client.get("/api2/json/version")
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extjs_response = await client.get("/api2/extjs/version")
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return json_response.json(), extjs_response.json()
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async def test_registered_handler_serves_both_renderers(tmp_path: Path) -> None:
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handlers = HandlerRegistry()
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async def version(_request: Request, _inputs: dict[str, Any]) -> dict[str, str]:
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return {"version": "9.2.3"}
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handlers.register("/version", "GET", version)
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json_body, extjs_body = await request_app(tmp_path, "error", handlers)
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assert json_body == {"data": {"version": "9.2.3"}}
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assert extjs_body == {"data": {"version": "9.2.3"}, "success": True}
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async def test_explicit_fallback_modes(tmp_path: Path) -> None:
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error_body, _ = await request_app(tmp_path, "error")
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default_body, _ = await request_app(tmp_path, "schema-default")
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assert error_body["errors"] == "method semantics are not implemented"
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assert default_body == {"data": {"version": None}}
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def test_duplicate_snapshot_routes_are_rejected() -> None:
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with pytest.raises(ValidationError, match="duplicate"):
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contract_snapshot(get_method(), get_method())
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def test_duplicate_semantic_handlers_are_rejected() -> None:
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handlers = HandlerRegistry()
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async def handler(_request: Request, _inputs: dict[str, Any]) -> None:
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return None
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handlers.register("/version", "GET", handler)
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with pytest.raises(RouteCollisionError, match="duplicate"):
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handlers.register("/version", "GET", handler)
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