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80a84b1 81ee30b 80a84b1 81ee30b 80a84b1 81ee30b 80a84b1 5cbb6ae 80a84b1 5cbb6ae 3ac27dc | 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 | """Unit tests for the WorldQuant execution client."""
from dataclasses import dataclass, field
from typing import Mapping
import pytest
from pydantic import SecretStr
from synthra.core.domain import Region, SimulationRequest, Universe
from synthra.execution import (
ExecutionAuthenticationError,
ExecutionRateLimitError,
HttpResponse,
SimulationHandle,
WorldQuantCredentials,
WorldQuantExecutionClient,
WorldQuantExecutionConfig,
)
from synthra.execution.transport import JsonObject
@dataclass
class RecordedRequest:
"""Captured transport call for assertions."""
method: str
url: str
headers: Mapping[str, str]
json_body: JsonObject | None
timeout_seconds: float
@dataclass
class FakeTransport:
"""Deterministic transport returning queued responses."""
responses: list[HttpResponse]
requests: list[RecordedRequest] = field(default_factory=list)
def request(
self,
method: str,
url: str,
headers: Mapping[str, str],
json_body: JsonObject | None,
timeout_seconds: float,
) -> HttpResponse:
"""Record request arguments and return the next fake response."""
self.requests.append(
RecordedRequest(
method=method,
url=url,
headers=headers,
json_body=json_body,
timeout_seconds=timeout_seconds,
)
)
return self.responses.pop(0)
def make_client(transport: FakeTransport) -> WorldQuantExecutionClient:
"""Build a client with test-safe configuration."""
creds = WorldQuantCredentials(username="user", password=SecretStr("secret"))
return WorldQuantExecutionClient(
credentials=creds,
config=WorldQuantExecutionConfig(api_base_url="https://brain.example.test"),
transport=transport,
)
def auth_response() -> HttpResponse:
"""Build a successful authentication response."""
return HttpResponse(
status_code=201,
headers={},
body=b'{"access_token":"session-token"}',
)
def submit_response() -> HttpResponse:
"""Build a successful simulation submission response."""
return HttpResponse(
status_code=202,
headers={"Location": "https://brain.example.test/simulations/SIM-1"},
body=b'{"id":"SIM-1","status":"running"}',
)
def test_authenticate_stores_bearer_token() -> None:
"""Authentication stores bearer credentials for later requests."""
transport = FakeTransport(
responses=[
HttpResponse(
status_code=201,
headers={},
body=b'{"access_token":"session-token"}',
)
]
)
client = make_client(transport)
client.authenticate()
assert transport.requests[0].method == "POST"
assert transport.requests[0].url == "https://brain.example.test/authentication"
assert transport.requests[0].headers["Authorization"].startswith("Basic ")
def test_authenticate_rejects_invalid_credentials() -> None:
"""Authentication raises a narrow error for rejected credentials."""
transport = FakeTransport(
responses=[HttpResponse(status_code=401, headers={}, body=b"{}")]
)
client = make_client(transport)
with pytest.raises(ExecutionAuthenticationError):
client.authenticate()
def test_submit_simulation_authenticates_and_returns_handle() -> None:
"""Submitting a simulation sends a domain request and returns a handle."""
transport = FakeTransport(
responses=[
HttpResponse(
status_code=201,
headers={"Set-Cookie": "session=abc"},
body=b"{}",
),
HttpResponse(
status_code=202,
headers={"Location": "https://brain.example.test/simulations/SIM-1"},
body=b'{"id":"SIM-1","status":"running"}',
),
]
)
client = make_client(transport)
request = SimulationRequest(
expression="ts_rank(close, 20)",
region=Region.US,
universe=Universe.TOP3000,
)
handle = client.submit_simulation(request)
assert handle == SimulationHandle(
id="SIM-1",
status="running",
location="https://brain.example.test/simulations/SIM-1",
)
submit_request = transport.requests[1]
assert submit_request.method == "POST"
assert submit_request.headers["Cookie"] == "session=abc"
assert submit_request.json_body is not None
assert submit_request.json_body["expression"] == "ts_rank(close, 20)"
assert submit_request.json_body["region"] == "US"
def test_submit_simulation_raises_rate_limit_after_retry() -> None:
"""Rate limiting is retried and then surfaced as a narrow exception."""
transport = FakeTransport(
responses=[
HttpResponse(
status_code=201,
headers={},
body=b'{"token":"session-token"}',
),
HttpResponse(status_code=429, headers={}, body=b"{}"),
HttpResponse(status_code=429, headers={}, body=b"{}"),
HttpResponse(status_code=429, headers={}, body=b"{}"),
]
)
client = make_client(transport)
with pytest.raises(ExecutionRateLimitError):
client.submit_simulation(
SimulationRequest(
expression="ts_rank(close, 20)",
region=Region.US,
universe=Universe.TOP3000,
)
)
def test_get_simulation_returns_json_payload() -> None:
"""Simulation status lookup returns parsed platform payloads."""
transport = FakeTransport(
responses=[
HttpResponse(
status_code=201,
headers={},
body=b'{"access_token":"session-token"}',
),
HttpResponse(
status_code=200,
headers={},
body=b'{"id":"SIM-1","status":"complete"}',
),
]
)
client = make_client(transport)
payload = client.get_simulation(
SimulationHandle(
id="SIM-1",
status="running",
location="https://brain.example.test/simulations/SIM-1",
)
)
assert payload["id"] == "SIM-1"
assert payload["status"] == "complete"
def test_client_automatic_session_refresh_on_401() -> None:
"""A 401 response on submission triggers re-authentication."""
transport = FakeTransport(
responses=[
auth_response(), # initial authenticate()
HttpResponse(
status_code=401, headers={}, body=b"{}"
), # first submit fails with 401
auth_response(), # automatic re-auth
submit_response(), # retried submit succeeds
]
)
client = make_client(transport)
request = SimulationRequest(
expression="ts_rank(close, 20)",
region=Region.US,
universe=Universe.TOP3000,
)
handle = client.submit_simulation(request)
assert handle.id == "SIM-1"
# Verify we authenticated twice
assert len(transport.requests) == 4
assert transport.requests[0].url.endswith("/authentication")
assert transport.requests[1].url.endswith("/simulations")
assert transport.requests[2].url.endswith("/authentication")
assert transport.requests[3].url.endswith("/simulations")
def test_client_retry_exponential_backoff(monkeypatch: pytest.MonkeyPatch) -> None:
"""Request retries sleep exponentially on transient failures."""
sleep_times = []
def mock_sleep(seconds: float) -> None:
sleep_times.append(seconds)
monkeypatch.setattr("time.sleep", mock_sleep)
transport = FakeTransport(
responses=[
HttpResponse(status_code=429, headers={}, body=b"{}"),
HttpResponse(status_code=500, headers={}, body=b"{}"),
HttpResponse(
status_code=201,
headers={},
body=b'{"access_token":"session-token"}',
),
]
)
client = make_client(transport)
client.authenticate()
assert len(transport.requests) == 3
# First retry backoff: 0.5 * 2^0 = 0.5s
# Second retry backoff: 0.5 * 2^1 = 1.0s
assert sleep_times == [0.5, 1.0]
def test_submit_alpha_success() -> None:
"""Submitting an alpha sends request to correct endpoint and returns response."""
transport = FakeTransport(
responses=[
HttpResponse(
status_code=201,
headers={"Set-Cookie": "session=abc"},
body=b"{}",
),
HttpResponse(
status_code=201,
headers={},
body=b'{"status":"success","alpha_id":"ALPH-1"}',
),
]
)
client = make_client(transport)
res = client.submit_alpha("SIM-1")
assert res == {"status": "success", "alpha_id": "ALPH-1"}
assert len(transport.requests) == 2
assert transport.requests[0].url.endswith("/authentication")
assert transport.requests[1].url.endswith("/alphas")
assert transport.requests[1].json_body == {"simulationId": "SIM-1"}
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