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7cc81cb | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 | """Mocked protocol tests for the audited WAN 2.2 worker integration."""
from __future__ import annotations
from collections.abc import Callable
from pathlib import Path
import httpx
import pytest
from app.core.config import Settings
from app.generation.domain.enums import (
GenerationModality,
WorkerCancellationStatus,
WorkerErrorCategory,
WorkerJobStatus,
)
from app.generation.domain.errors import GenerationWorkerError
from app.generation.domain.retry import GenerationRetryPolicy
from app.generation.model_registry import GenerationModelRegistration, GenerationModelRegistry
from app.generation.providers.wan import (
WAN_MODEL_CAPABILITY,
WAN_MODEL_ID,
WAN_PROVIDER_ID,
WanProviderAdapter,
)
from app.generation.providers.worker_client import RemoteWorkerClient
from app.generation.schemas.requests import GenerationRequestCreate
def _client(
handler: Callable[[httpx.Request], httpx.Response], *, retries: int = 2
) -> RemoteWorkerClient:
return RemoteWorkerClient(
base_url="https://wan-worker.example",
bearer_token="x" * 32,
connect_timeout_seconds=1,
request_timeout_seconds=1,
read_timeout_seconds=1,
retry_policy=GenerationRetryPolicy(max_retries=retries, backoff_seconds=0),
http_client=httpx.AsyncClient(transport=httpx.MockTransport(handler)),
sleep=lambda _: _no_sleep(),
)
async def _no_sleep() -> None:
return None
def _payload(**overrides: object) -> GenerationRequestCreate:
value: dict[str, object] = {
"provider": WAN_PROVIDER_ID,
"model_id": WAN_MODEL_ID,
"modality": "video",
"input_asset_id": "11111111-1111-4111-8111-111111111111",
"prompt": "Slow cinematic cloud movement",
"wan": {
"duration_seconds": 0.5,
"steps": 4,
"guidance_scale": 1.0,
"guidance_scale_2": 1.0,
"seed": 42,
"randomize_seed": False,
},
}
value.update(overrides)
return GenerationRequestCreate.model_validate(value)
def _info() -> dict[str, object]:
return {
"id": "wan2.2",
"name": "WAN 2.2 FP8 AOTI Faster",
"type": "video",
"task": "image-to-video",
"status": "ready",
"model_id": "Wan-AI/Wan2.2-I2V-A14B-Diffusers",
"fps": 16,
}
@pytest.mark.asyncio
async def test_wan_exact_model_discovery_and_readiness() -> None:
def handler(request: httpx.Request) -> httpx.Response:
if request.url.path == "/health":
return httpx.Response(200, json={"status": "ok", "service": "mediarouter-wan-worker"})
if request.url.path == "/ready":
return httpx.Response(
200,
json={
"status": "ready",
"model_loaded": True,
"model": "wan2.2",
"accepting_jobs": True,
},
)
return httpx.Response(200, json=_info())
adapter = WanProviderAdapter(client=_client(handler))
registry = GenerationModelRegistry(
[
GenerationModelRegistration(
provider_id=WAN_PROVIDER_ID,
model=WAN_MODEL_CAPABILITY,
configuration_reference="wan-space",
)
]
)
models = registry.verify_readiness(
provider_id=WAN_PROVIDER_ID,
worker_info=await adapter.info(),
readiness=await adapter.ready(),
provider_configured=adapter.available,
)
assert models[0].model.id == WAN_MODEL_ID
assert models[0].model.modality is GenerationModality.VIDEO
assert models[0].available
@pytest.mark.asyncio
async def test_wan_not_ready_and_model_mismatch_are_not_advertised() -> None:
def handler(request: httpx.Request) -> httpx.Response:
if request.url.path == "/ready":
return httpx.Response(
503,
json={
"status": "not_ready",
"model_loaded": False,
"model": "other-model",
"accepting_jobs": False,
},
)
return httpx.Response(
200, json={"status": "ok"} if request.url.path == "/health" else _info()
)
adapter = WanProviderAdapter(client=_client(handler))
with pytest.raises(GenerationWorkerError) as raised:
await adapter.ready()
assert raised.value.category is WorkerErrorCategory.WORKER_NOT_READY
@pytest.mark.asyncio
async def test_wan_model_identity_mismatch_remains_unavailable() -> None:
wrong_info = {
**_info(),
"id": "different-wan-model",
"name": "Different model",
}
def handler(request: httpx.Request) -> httpx.Response:
if request.url.path == "/ready":
return httpx.Response(
200,
json={
"status": "ready",
"model_loaded": True,
"model": WAN_MODEL_ID,
"accepting_jobs": True,
},
)
return httpx.Response(200, json=wrong_info)
adapter = WanProviderAdapter(client=_client(handler))
with pytest.raises(GenerationWorkerError) as raised:
await adapter.info()
assert raised.value.category is WorkerErrorCategory.PROVIDER_ERROR
@pytest.mark.asyncio
async def test_wan_submission_is_multipart_and_has_no_automatic_retry(tmp_path: Path) -> None:
seen: list[httpx.Request] = []
def handler(request: httpx.Request) -> httpx.Response:
seen.append(request)
return httpx.Response(202, json={"job_id": "wan_" + "a" * 32, "status": "queued"})
source = tmp_path / "input.png"
source.write_bytes(b"not-decoded-in-adapter-test")
adapter = WanProviderAdapter(client=_client(handler))
job = await adapter.submit(
payload={"prompt": "slow movement", "wan": {"duration_seconds": 0.5, "steps": 4}},
idempotency_key="generation-request-id",
input_path=source,
input_mime_type="image/png",
)
assert job.status is WorkerJobStatus.QUEUED
assert job.external_job_id.startswith("wan_")
assert seen[0].headers["authorization"] == "Bearer " + "x" * 32
body = seen[0].content.decode("latin-1")
assert 'name="image"' in body
assert 'name="duration_seconds"' in body
assert 'name="width"' not in body
@pytest.mark.asyncio
async def test_wan_submission_connection_ambiguity_is_not_retried(tmp_path: Path) -> None:
calls = 0
request = httpx.Request("POST", "https://wan-worker.example/v1/generate")
def handler(_: httpx.Request) -> httpx.Response:
nonlocal calls
calls += 1
raise httpx.ConnectError("Bearer " + "x" * 32, request=request)
source = tmp_path / "input.png"
source.write_bytes(b"input")
adapter = WanProviderAdapter(client=_client(handler, retries=3))
with pytest.raises(GenerationWorkerError) as raised:
await adapter.submit(
payload={"prompt": "slow movement"},
idempotency_key="generation-request-id",
input_path=source,
input_mime_type="image/png",
)
assert raised.value.category is WorkerErrorCategory.WORKER_UNAVAILABLE
assert calls == 1
assert "Bearer" not in str(raised.value)
@pytest.mark.asyncio
async def test_wan_completed_job_maps_a_safe_video_output() -> None:
job_id = "wan_" + "b" * 32
def handler(_: httpx.Request) -> httpx.Response:
return httpx.Response(
200,
json={
"job_id": job_id,
"status": "completed",
"output": {"type": "video", "filename": f"{job_id}.mp4"},
},
)
adapter = WanProviderAdapter(client=_client(handler))
job = await adapter.get_job(external_job_id=job_id)
assert job.output is not None
assert job.output.mime_type == "video/mp4"
assert job.output.provider_output_id == job_id
assert job.output.download_path == f"/v1/jobs/{job_id}/output"
@pytest.mark.asyncio
@pytest.mark.parametrize("status_code", [429, 502, 503, 504])
async def test_wan_polling_uses_shared_bounded_transient_retry(status_code: int) -> None:
calls = 0
job_id = "wan_" + "d" * 32
def handler(_: httpx.Request) -> httpx.Response:
nonlocal calls
calls += 1
if calls < 3:
return httpx.Response(status_code, json={"detail": {"token": "never-store"}})
return httpx.Response(200, json={"job_id": job_id, "status": "running"})
job = await WanProviderAdapter(client=_client(handler, retries=2)).get_job(
external_job_id=job_id
)
assert job.status is WorkerJobStatus.RUNNING
assert calls == 3
@pytest.mark.asyncio
async def test_wan_polling_does_not_retry_permanent_client_errors() -> None:
calls = 0
job_id = "wan_" + "e" * 32
def handler(_: httpx.Request) -> httpx.Response:
nonlocal calls
calls += 1
return httpx.Response(400, json={"detail": {"code": "WAN_PARAMETERS_INVALID"}})
with pytest.raises(GenerationWorkerError) as raised:
await WanProviderAdapter(client=_client(handler, retries=3)).get_job(
external_job_id=job_id
)
assert raised.value.category is WorkerErrorCategory.INVALID_REQUEST
assert calls == 1
@pytest.mark.asyncio
async def test_wan_cancellation_only_confirms_queued_worker_cancellation() -> None:
def queued_handler(_: httpx.Request) -> httpx.Response:
return httpx.Response(200, json={"job_id": "wan_" + "c" * 32, "status": "cancelled"})
def running_handler(_: httpx.Request) -> httpx.Response:
return httpx.Response(
409,
json={
"detail": {
"code": "WAN_JOB_NOT_CANCELLABLE",
"message": "A running job cannot be cancelled.",
"status": "running",
}
},
)
assert (
await WanProviderAdapter(client=_client(queued_handler)).cancel(
external_job_id="wan_" + "c" * 32
)
).status is WorkerCancellationStatus.CANCELLED
assert (
await WanProviderAdapter(client=_client(running_handler)).cancel(
external_job_id="wan_" + "c" * 32
)
).status is WorkerCancellationStatus.FAILED
@pytest.mark.parametrize(
"invalid",
[
{"prompt": " "},
{"modality": "image"},
{"input_asset_id": None},
],
)
@pytest.mark.asyncio
async def test_wan_request_validation_rejects_invalid_required_values(
invalid: dict[str, object]
) -> None:
adapter = WanProviderAdapter(client=None)
with pytest.raises(Exception):
payload = _payload(**invalid)
await adapter.validate_request(payload)
@pytest.mark.parametrize("field", ["width", "height", "num_frames", "provider_payload"])
def test_wan_schema_rejects_unsupported_parameters(field: str) -> None:
raw = _payload().model_dump()
wan = dict(raw["wan"] or {})
wan[field] = 1
raw["wan"] = wan
with pytest.raises(ValueError):
GenerationRequestCreate.model_validate(raw)
def test_wan_configuration_is_optional_and_never_enables_flux() -> None:
disabled = WanProviderAdapter.from_settings(Settings(_env_file=None))
invalid = WanProviderAdapter.from_settings(
Settings(_env_file=None, wan_space_url="https://wan-worker.example")
)
assert not disabled.available
assert not invalid.available
assert invalid.configuration_error is not None
assert WAN_PROVIDER_ID == "wan"
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