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feat: Add unit tests for NVIDIA safety (#1897)

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# What does this PR do?
This PR adds unit tests for the NVIDIA Safety provider implementation.

[//]: # (If resolving an issue, uncomment and update the line below)
[//]: # (Closes #[issue-number])

## Test Plan
[Describe the tests you ran to verify your changes with result
summaries. *Provide clear instructions so the plan can be easily
re-executed.*]
1. Ran `./scripts/unit-tests.sh
tests/unit/providers/nvidia/test_safety.py` from the root of the
project. Verified tests pass.
```
tests/unit/providers/nvidia/test_safety.py::TestNVIDIASafetyAdapter::test_init_nemo_guardrails Initializing NVIDIASafetyAdapter(http://nemo.test)...
PASSED
tests/unit/providers/nvidia/test_safety.py::TestNVIDIASafetyAdapter::test_init_nemo_guardrails_invalid_temperature Initializing NVIDIASafetyAdapter(http://nemo.test)...
PASSED
tests/unit/providers/nvidia/test_safety.py::TestNVIDIASafetyAdapter::test_register_shield_with_valid_id Initializing NVIDIASafetyAdapter(http://nemo.test)...
PASSED
tests/unit/providers/nvidia/test_safety.py::TestNVIDIASafetyAdapter::test_register_shield_without_id Initializing NVIDIASafetyAdapter(http://nemo.test)...
PASSED
tests/unit/providers/nvidia/test_safety.py::TestNVIDIASafetyAdapter::test_run_shield_allowed Initializing NVIDIASafetyAdapter(http://nemo.test)...
PASSED
tests/unit/providers/nvidia/test_safety.py::TestNVIDIASafetyAdapter::test_run_shield_blocked Initializing NVIDIASafetyAdapter(http://nemo.test)...
PASSED
tests/unit/providers/nvidia/test_safety.py::TestNVIDIASafetyAdapter::test_run_shield_http_error Initializing NVIDIASafetyAdapter(http://nemo.test)...
PASSED
tests/unit/providers/nvidia/test_safety.py::TestNVIDIASafetyAdapter::test_run_shield_not_found Initializing NVIDIASafetyAdapter(http://nemo.test)...
PASSED
```

[//]: # (## Documentation)

---------

Co-authored-by: Jash Gulabrai <jgulabrai@nvidia.com>
This commit is contained in:
Jash Gulabrai 2025-04-11 14:49:55 -04:00 • committed by GitHub
parent 2a74f0db39
commit c1cb6aad11
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GPG key ID: B5690EEEBB952194
2 changed files with 340 additions and 11 deletions
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25
llama_stack/providers/remote/safety/nvidia/nvidia.py
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@ -104,6 +104,15 @@ class NeMoGuardrails:
self.threshold = threshold
self.guardrails_service_url = config.guardrails_service_url
async def _guardrails_post(self, path: str, data: Any | None):
"""Helper for making POST requests to the guardrails service."""
headers = {
"Accept": "application/json",
}
response = requests.post(url=f"{self.guardrails_service_url}{path}", headers=headers, json=data)
response.raise_for_status()
return response.json()
async def run(self, messages: List[Message]) -> RunShieldResponse:
"""
Queries the /v1/guardrails/checks endpoint of the NeMo guardrails deployed API.
@ -118,9 +127,6 @@ class NeMoGuardrails:
Raises:
requests.HTTPError: If the POST request fails.
"""
headers = {
"Accept": "application/json",
}
request_data = {
"model": self.model,
"messages": convert_pydantic_to_json_value(messages),
@ -134,15 +140,11 @@ class NeMoGuardrails:
"config_id": self.config_id,
},
}
response = requests.post(
url=f"{self.guardrails_service_url}/v1/guardrail/checks", headers=headers, json=request_data
)
response.raise_for_status()
if "Content-Type" in response.headers and response.headers["Content-Type"].startswith("application/json"):
response_json = response.json()
if response_json["status"] == "blocked":
response = await self._guardrails_post(path="/v1/guardrail/checks", data=request_data)
if response["status"] == "blocked":
user_message = "Sorry I cannot do this."
metadata = response_json["rails_status"]
metadata = response["rails_status"]
return RunShieldResponse(
violation=SafetyViolation(
@ -151,4 +153,5 @@ class NeMoGuardrails:
metadata=metadata,
)
)
return RunShieldResponse(violation=None)