Files
roboco/tests/unit/services/test_video_renderer_client.py
T

259 lines
8.7 KiB
Python

"""VideoRenderer coverage: tar/post/save happy path against a mocked httpx
transport, plus unconfigured/unreachable graceful failure (never a crash).
"""
from __future__ import annotations
from pathlib import Path
import httpx
import pytest
from roboco.config import settings as cfg
from roboco.services import minio_client
from roboco.services.video_renderer_client import (
NullVideoRenderer,
VideoRenderer,
VideoRendererError,
get_video_renderer,
)
def _make_source(tmp_path: Path) -> Path:
source = tmp_path / "motion"
source.mkdir()
(source / "Intro.tsx").write_text("export const Intro = () => null;")
return source
@pytest.mark.asyncio
async def test_render_posts_tar_and_saves_mp4(
tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
source = _make_source(tmp_path)
out_dir = tmp_path / "out"
monkeypatch.setattr(cfg, "video_output_dir", str(out_dir))
monkeypatch.setattr(cfg, "video_request_timeout_seconds", 5.0)
monkeypatch.setattr(cfg, "video_render_timeout_seconds", 30.0)
captured: dict[str, bytes | str] = {}
def handler(request: httpx.Request) -> httpx.Response:
captured["url"] = str(request.url)
captured["content_type"] = request.headers["content-type"]
captured["body"] = request.content
return httpx.Response(200, content=b"fake-mp4-bytes")
transport = httpx.MockTransport(handler)
http_client = httpx.AsyncClient(transport=transport)
renderer = VideoRenderer(base_url="http://fake-video-renderer", client=http_client)
path = await renderer.render(
source_dir=str(source),
composition_id="Intro",
input_props={"title": "hello"},
orientation="vertical",
render_key="task-99",
)
await http_client.aclose()
assert captured["url"] == "http://fake-video-renderer/render"
assert str(captured["content_type"]).startswith("multipart/form-data")
body = captured["body"]
assert isinstance(body, bytes)
assert b"composition_id" in body
assert b"Intro" in body
assert b"vertical" in body
assert b"motion.tar.gz" in body
assert b"\x1f\x8b" in body # gzip magic bytes: the tar payload made it in
saved = Path(path)
assert saved.exists()
assert saved.read_bytes() == b"fake-mp4-bytes"
assert saved.parent == out_dir
assert saved.name == "task-99-vertical.mp4" # task-scoped, not composition-scoped
@pytest.mark.asyncio
async def test_render_non_success_response_raises_clear_error(
tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
source = _make_source(tmp_path)
monkeypatch.setattr(cfg, "video_output_dir", str(tmp_path / "out"))
def handler(_request: httpx.Request) -> httpx.Response:
return httpx.Response(500, text="render crashed")
transport = httpx.MockTransport(handler)
http_client = httpx.AsyncClient(transport=transport)
renderer = VideoRenderer(base_url="http://fake-video-renderer", client=http_client)
with pytest.raises(VideoRendererError, match="500"):
await renderer.render(
source_dir=str(source),
composition_id="Intro",
input_props={},
orientation="square",
render_key="t1",
)
await http_client.aclose()
@pytest.mark.asyncio
async def test_render_unreachable_sidecar_raises_clear_error(
tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
source = _make_source(tmp_path)
monkeypatch.setattr(cfg, "video_output_dir", str(tmp_path / "out"))
def handler(_request: httpx.Request) -> httpx.Response:
raise httpx.ConnectError("connection refused")
transport = httpx.MockTransport(handler)
http_client = httpx.AsyncClient(transport=transport)
renderer = VideoRenderer(base_url="http://fake-video-renderer", client=http_client)
with pytest.raises(VideoRendererError, match="render request failed"):
await renderer.render(
source_dir=str(source),
composition_id="Intro",
input_props={},
orientation="square",
render_key="t1",
)
await http_client.aclose()
@pytest.mark.asyncio
async def test_unconfigured_renderer_raises_without_network_call(
tmp_path: Path,
) -> None:
source = _make_source(tmp_path)
renderer = VideoRenderer(base_url="")
with pytest.raises(VideoRendererError, match="not configured"):
await renderer.render(
source_dir=str(source),
composition_id="Intro",
input_props={},
orientation="vertical",
render_key="t1",
)
@pytest.mark.asyncio
async def test_null_renderer_raises_without_network_call(tmp_path: Path) -> None:
source = _make_source(tmp_path)
renderer = NullVideoRenderer()
with pytest.raises(VideoRendererError, match="not configured"):
await renderer.render(
source_dir=str(source),
composition_id="Intro",
input_props={},
orientation="vertical",
render_key="t1",
)
def test_get_video_renderer_returns_null_when_unset(
monkeypatch: pytest.MonkeyPatch,
) -> None:
monkeypatch.setattr(cfg, "video_renderer_base_url", "")
renderer = get_video_renderer()
assert isinstance(renderer, NullVideoRenderer)
def test_get_video_renderer_returns_real_client_when_set(
monkeypatch: pytest.MonkeyPatch,
) -> None:
monkeypatch.setattr(
cfg, "video_renderer_base_url", "http://roboco-video-renderer:3001"
)
renderer = get_video_renderer()
assert isinstance(renderer, VideoRenderer)
assert not isinstance(renderer, NullVideoRenderer)
@pytest.mark.asyncio
async def test_save_puts_to_minio_when_configured(
tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
"""When MinIO is configured, _save PUTs the bytes under the basename key
and still writes the local mp4 file. Mocks only — no real MinIO."""
source = _make_source(tmp_path)
out_dir = tmp_path / "out"
monkeypatch.setattr(cfg, "video_output_dir", str(out_dir))
monkeypatch.setattr(cfg, "video_request_timeout_seconds", 5.0)
monkeypatch.setattr(cfg, "video_render_timeout_seconds", 30.0)
minio_client._reset_client()
# Sentinel client so get_client() returns a non-None (the guard passes).
monkeypatch.setattr(minio_client, "get_client", object)
put_calls: list[tuple[bytes, str]] = []
def fake_put_object(data: bytes, key: str) -> None:
put_calls.append((data, key))
monkeypatch.setattr(minio_client, "put_object", fake_put_object)
def handler(_request: httpx.Request) -> httpx.Response:
return httpx.Response(200, content=b"fake-mp4-bytes")
transport = httpx.MockTransport(handler)
http_client = httpx.AsyncClient(transport=transport)
renderer = VideoRenderer(base_url="http://fake-video-renderer", client=http_client)
try:
path = await renderer.render(
source_dir=str(source),
composition_id="Intro",
input_props={"title": "hello"},
orientation="vertical",
render_key="task-77",
)
finally:
await http_client.aclose()
minio_client._reset_client()
# Local file still written (the poster publish path reads from disk).
saved = Path(path)
assert saved.exists()
assert saved.read_bytes() == b"fake-mp4-bytes"
assert saved.name == "task-77-vertical.mp4"
# One PUT, key = the basename, body = the rendered bytes (reused, not re-read).
assert len(put_calls) == 1
data, key = put_calls[0]
assert key == "task-77-vertical.mp4"
assert data == b"fake-mp4-bytes"
@pytest.mark.asyncio
async def test_save_swallows_minio_put_failure(
tmp_path: Path, monkeypatch: pytest.MonkeyPatch
) -> None:
"""A failed MinIO PUT (MinIO down, transient 5xx) must not fail the render —
local disk is the source of truth and the serve route falls back to
FileResponse on S3Error. _save logs and returns the local path; the local
file is written. Mocks only."""
out_dir = tmp_path / "out"
monkeypatch.setattr(cfg, "video_output_dir", str(out_dir))
minio_client._reset_client()
monkeypatch.setattr(minio_client, "get_client", object) # guard passes
def failing_put_object(_data: bytes, _key: str) -> None:
raise RuntimeError("minio unreachable")
monkeypatch.setattr(minio_client, "put_object", failing_put_object)
try:
# _save is a sync @staticmethod; call it directly (no httpx needed).
path = VideoRenderer._save(
b"fake-mp4-bytes", render_key="task-88", orientation="square"
)
finally:
minio_client._reset_client()
saved = Path(path)
assert saved.exists()
assert saved.read_bytes() == b"fake-mp4-bytes"
assert saved.name == "task-88-square.mp4"