72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
"""Upload dispatch over FastAPI multipart — files bind into Upload fields and
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the declarative `File(...)` constraints are enforced."""
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from __future__ import annotations
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import json
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from typing import Annotated
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import pytest
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from fastapi import FastAPI
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from fastapi.testclient import TestClient
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from pydantic import BaseModel
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from mizan_core.client.function import client
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from mizan_core.registry import clear_registry, register
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from mizan_fastapi import File, MizanError, Upload, mizan_exception_handler, router as mizan_router
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class AvatarOut(BaseModel):
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ok: bool
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size: int
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name: str | None = None
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@pytest.fixture
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def app():
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clear_registry()
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@client
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def set_avatar(
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request,
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user_id: int,
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avatar: Annotated[Upload, File(max_size="1MB", content_types=["image/png"])],
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) -> AvatarOut:
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return AvatarOut(ok=True, size=avatar.size, name=avatar.filename)
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register(set_avatar, "set_avatar")
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fastapi_app = FastAPI()
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fastapi_app.include_router(mizan_router, prefix="/api/mizan")
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fastapi_app.add_exception_handler(MizanError, mizan_exception_handler)
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return fastapi_app
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def _post(test_client: TestClient, args: dict, file_tuple: tuple):
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return test_client.post(
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"/api/mizan/call/",
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data={"fn": "set_avatar", "args": json.dumps(args)},
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files={"avatar": file_tuple},
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)
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def test_upload_binds_and_executes(app):
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resp = _post(TestClient(app), {"user_id": 5}, ("a.png", b"\x89PNG" + b"x" * 100, "image/png"))
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assert resp.status_code == 200, resp.text
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result = resp.json()["result"]
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assert result["ok"] is True
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assert result["name"] == "a.png"
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assert result["size"] == 104
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def test_max_size_rejected(app):
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resp = _post(TestClient(app), {"user_id": 5}, ("b.png", b"x" * (2 * 1024 * 1024), "image/png"))
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assert resp.status_code == 400
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assert "max size" in resp.text
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def test_content_type_rejected(app):
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resp = _post(TestClient(app), {"user_id": 5}, ("c.gif", b"GIF89a", "image/gif"))
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assert resp.status_code == 400
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assert "content-type" in resp.text
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