test: add tests for github copilot

This commit is contained in:
Son H. Nguyen 2025-02-26 23:28:16 +07:00
parent e394d45513
commit 00d2d90535
7 changed files with 282 additions and 62 deletions

3
.gitignore vendored
View file

@ -78,4 +78,5 @@ litellm/proxy/_experimental/out/model_hub.html
.mypy_cache/*
litellm/proxy/application.log
**/__pycache__
**/__pycache__/**
**/*.pyc

View file

@ -1,4 +1,11 @@
from .constants import GITHUB_COPILOT_API_BASE, CHAT_COMPLETION_ENDPOINT, GITHUB_COPILOT_MODEL, GetAccessTokenError, GetAPIKeyError, RefreshAPIKeyError
from .constants import (
GITHUB_COPILOT_API_BASE,
CHAT_COMPLETION_ENDPOINT,
GITHUB_COPILOT_MODEL,
GetAccessTokenError,
GetAPIKeyError,
RefreshAPIKeyError,
)
__all__ = [
"GITHUB_COPILOT_API_BASE",
@ -6,5 +13,5 @@ __all__ = [
"GITHUB_COPILOT_MODEL",
"GetAccessTokenError",
"GetAPIKeyError",
"RefreshAPIKeyError"
"RefreshAPIKeyError",
]

View file

@ -23,16 +23,23 @@ from .constants import (
APIKeyExpiredError,
)
class Authenticator:
def __init__(self) -> None:
# Token storage paths
self.token_dir = os.getenv("GITHUB_COPILOT_TOKEN_DIR", os.path.expanduser("~/.config/litellm/github_copilot"))
self.access_token_file = os.path.join(self.token_dir, os.getenv("GITHUB_COPILOT_ACCESS_TOKEN_FILE", "access-token"))
self.api_key_file = os.path.join(self.token_dir, os.getenv("GITHUB_COPILOT_API_KEY_FILE", "api-key.json"))
self.token_dir = os.getenv(
"GITHUB_COPILOT_TOKEN_DIR",
os.path.expanduser("~/.config/litellm/github_copilot"),
)
self.access_token_file = os.path.join(
self.token_dir,
os.getenv("GITHUB_COPILOT_ACCESS_TOKEN_FILE", "access-token"),
)
self.api_key_file = os.path.join(
self.token_dir, os.getenv("GITHUB_COPILOT_API_KEY_FILE", "api-key.json")
)
self._ensure_token_dir()
self.get_access_token()
def get_access_token(self) -> str:
"""
Login to Copilot with retry 3 times
@ -42,7 +49,7 @@ class Authenticator:
"""
try:
with open(self.access_token_file, 'r') as f:
with open(self.access_token_file, "r") as f:
access_token = f.read().strip()
return access_token
except IOError:
@ -55,7 +62,7 @@ class Authenticator:
continue
else:
try:
with open(self.access_token_file, 'w') as f:
with open(self.access_token_file, "w") as f:
f.write(access_token)
except IOError:
verbose_logger.error("Error saving access token to file")
@ -66,10 +73,10 @@ class Authenticator:
def get_api_key(self) -> str:
"""Get the API key"""
try:
with open(self.api_key_file, 'r') as f:
with open(self.api_key_file, "r") as f:
api_key_info = json.load(f)
if api_key_info.get('expires_at') > datetime.now().timestamp():
return api_key_info.get('token')
if api_key_info.get("expires_at") > datetime.now().timestamp():
return api_key_info.get("token")
else:
raise APIKeyExpiredError("API key expired")
except IOError:
@ -81,14 +88,14 @@ class Authenticator:
try:
api_key_info = self._refresh_api_key()
with open(self.api_key_file, 'w') as f:
with open(self.api_key_file, "w") as f:
json.dump(api_key_info, f)
except IOError:
verbose_logger.error("Error saving API key to file")
except RefreshAPIKeyError:
raise GetAPIKeyError("Failed to refresh API key")
return api_key_info.get('token')
return api_key_info.get("token")
def _refresh_api_key(self) -> dict:
"""
@ -100,10 +107,10 @@ class Authenticator:
access_token = self.get_access_token()
headers = {
'authorization': f'token {access_token}',
'editor-version': 'vscode/1.85.1',
'editor-plugin-version': 'copilot/1.155.0',
'user-agent': 'GithubCopilot/1.155.0'
"authorization": f"token {access_token}",
"editor-version": "vscode/1.85.1",
"editor-plugin-version": "copilot/1.155.0",
"user-agent": "GithubCopilot/1.155.0",
}
max_retries = 3
@ -111,21 +118,19 @@ class Authenticator:
try:
sync_client = _get_httpx_client()
response = sync_client.get(
'https://api.github.com/copilot_internal/v2/token',
headers=headers
"https://api.github.com/copilot_internal/v2/token", headers=headers
)
response.raise_for_status()
response_json = response.json()
if 'token' in response_json:
if "token" in response_json:
return response_json
except httpx.HTTPStatusError as e:
verbose_logger.error(f"Error refreshing API key: {str(e)}")
raise RefreshAPIKeyError("Failed to refresh API key")
def _ensure_token_dir(self) -> None:
"""Ensure the token directory exists"""
if not os.path.exists(self.token_dir):
@ -143,23 +148,23 @@ class Authenticator:
sync_client = _get_httpx_client()
# Get device code
resp = sync_client.post(
'https://github.com/login/device/code',
"https://github.com/login/device/code",
headers={
'accept': 'application/json',
'editor-version': 'vscode/1.85.1',
'editor-plugin-version': 'copilot/1.155.0',
'content-type': 'application/json',
'user-agent': 'GithubCopilot/1.155.0',
'accept-encoding': 'gzip,deflate,br'
"accept": "application/json",
"editor-version": "vscode/1.85.1",
"editor-plugin-version": "copilot/1.155.0",
"content-type": "application/json",
"user-agent": "GithubCopilot/1.155.0",
"accept-encoding": "gzip,deflate,br",
},
json={"client_id": "Iv1.b507a08c87ecfe98", "scope": "read:user"}
json={"client_id": "Iv1.b507a08c87ecfe98", "scope": "read:user"},
)
resp.raise_for_status()
resp_json = resp.json()
device_code = resp_json.get('device_code')
user_code = resp_json.get('user_code')
verification_uri = resp_json.get('verification_uri')
device_code = resp_json.get("device_code")
user_code = resp_json.get("user_code")
verification_uri = resp_json.get("verification_uri")
if not all([device_code, user_code, verification_uri]):
verbose_logger.error("Response missing required fields")
@ -174,7 +179,9 @@ class Authenticator:
verbose_logger.error(f"Error getting device code: {str(e)}")
raise GetDeviceCodeError("Failed to get device code")
print(f'Please visit {verification_uri} and enter code {user_code} to authenticate.')
print(
f"Please visit {verification_uri} and enter code {user_code} to authenticate."
)
while True:
time.sleep(5)
@ -182,27 +189,27 @@ class Authenticator:
# Get access token
try:
resp = sync_client.post(
'https://github.com/login/oauth/access_token',
"https://github.com/login/oauth/access_token",
headers={
'accept': 'application/json',
'editor-version': 'vscode/1.85.1',
'editor-plugin-version': 'copilot/1.155.0',
'content-type': 'application/json',
'user-agent': 'GithubCopilot/1.155.0',
'accept-encoding': 'gzip,deflate,br'
"accept": "application/json",
"editor-version": "vscode/1.85.1",
"editor-plugin-version": "copilot/1.155.0",
"content-type": "application/json",
"user-agent": "GithubCopilot/1.155.0",
"accept-encoding": "gzip,deflate,br",
},
json={
"client_id": "Iv1.b507a08c87ecfe98",
"device_code": device_code,
"grant_type": "urn:ietf:params:oauth:grant-type:device_code"
}
"grant_type": "urn:ietf:params:oauth:grant-type:device_code",
},
)
resp.raise_for_status()
resp_json = resp.json()
if "access_token" in resp_json:
verbose_logger.info("Authentication success!")
return resp_json['access_token']
return resp_json["access_token"]
else:
continue
except httpx.HTTPStatusError as e:
@ -211,7 +218,3 @@ class Authenticator:
except json.JSONDecodeError as e:
verbose_logger.error(f"Error decoding JSON response: {str(e)}")
raise GetAccessTokenError("Failed to get access token")

View file

@ -4,6 +4,9 @@ from typing import Optional, Tuple
from litellm.llms.openai.openai import OpenAIConfig
from ..authenticator import Authenticator
from ..constants import GetAPIKeyError
from litellm.exceptions import AuthenticationError
class GithubCopilotConfig(OpenAIConfig):
def __init__(
@ -13,7 +16,6 @@ class GithubCopilotConfig(OpenAIConfig):
custom_llm_provider: str = "openai",
) -> None:
super().__init__()
self.authenticator = Authenticator()
def _get_openai_compatible_provider_info(
@ -24,6 +26,12 @@ class GithubCopilotConfig(OpenAIConfig):
custom_llm_provider: str,
) -> Tuple[Optional[str], Optional[str], str]:
api_base = "https://api.githubcopilot.com"
dynamic_api_key = self.authenticator.get_api_key()
try:
dynamic_api_key = self.authenticator.get_api_key()
except GetAPIKeyError as e:
raise AuthenticationError(
model=model,
llm_provider=custom_llm_provider,
message=str(e),
)
return api_base, dynamic_api_key, custom_llm_provider

View file

@ -17,9 +17,22 @@ DEFAULT_HEADERS = {
"User-Agent": "litellm",
}
class GetDeviceCodeError(Exception): pass
class GetAccessTokenError(Exception): pass
class APIKeyExpiredError(Exception): pass
class RefreshAPIKeyError(Exception): pass
class GetAPIKeyError(Exception): pass
class GetDeviceCodeError(Exception):
pass
class GetAccessTokenError(Exception):
pass
class APIKeyExpiredError(Exception):
pass
class RefreshAPIKeyError(Exception):
pass
class GetAPIKeyError(Exception):
pass

View file

@ -0,0 +1,188 @@
import pytest
import os
import sys
import json
import asyncio
from datetime import datetime, timedelta
from typing import AsyncGenerator
from unittest.mock import AsyncMock, patch, mock_open, MagicMock
sys.path.insert(0, os.path.abspath("../.."))
import httpx
import pytest
from respx import MockRouter
import litellm
from litellm import Choices, Message, ModelResponse, ModelResponse, Usage
from litellm import completion, acompletion
from litellm.llms.github_copilot.chat.transformation import GithubCopilotConfig
from litellm.llms.github_copilot.authenticator import Authenticator
from litellm.llms.github_copilot.constants import (
GetAccessTokenError,
GetDeviceCodeError,
RefreshAPIKeyError,
GetAPIKeyError,
APIKeyExpiredError,
)
from litellm.exceptions import AuthenticationError
# Import at the top to make the patch work correctly
import litellm.llms.github_copilot.chat.transformation
def test_github_copilot_config_get_openai_compatible_provider_info():
"""Test the GitHub Copilot configuration provider info retrieval."""
config = GithubCopilotConfig()
# Mock the authenticator to avoid actual API calls
mock_api_key = "gh.test-key-123456789"
config.authenticator = MagicMock()
config.authenticator.get_api_key.return_value = mock_api_key
# Test with default values
model = "github_copilot/gpt-4"
(
api_base,
dynamic_api_key,
custom_llm_provider,
) = config._get_openai_compatible_provider_info(
model=model,
api_base=None,
api_key=None,
custom_llm_provider="github_copilot",
)
assert api_base == "https://api.githubcopilot.com"
assert dynamic_api_key == mock_api_key
assert custom_llm_provider == "github_copilot"
# Test with authentication failure
config.authenticator.get_api_key.side_effect = GetAPIKeyError(
"Failed to get API key"
)
with pytest.raises(AuthenticationError) as excinfo:
config._get_openai_compatible_provider_info(
model=model,
api_base=None,
api_key=None,
custom_llm_provider="github_copilot",
)
assert "Failed to get API key" in str(excinfo.value)
@patch("litellm.litellm_core_utils.get_llm_provider_logic.get_llm_provider")
@patch("litellm.llms.openai.openai.OpenAIChatCompletion.completion")
def test_completion_github_copilot(mock_completion, mock_get_provider):
"""Test the completion function with GitHub Copilot provider."""
# Mock completion response
mock_response = MagicMock()
mock_response.choices = [MagicMock()]
mock_response.choices[0].message.content = "Hello, I'm GitHub Copilot!"
mock_completion.return_value = mock_response
# Test non-streaming completion
messages = [
{"role": "system", "content": "You're GitHub Copilot, an AI assistant."},
{"role": "user", "content": "Hello, who are you?"},
]
# Create a properly formatted headers dictionary
headers = {
"editor-version": "Neovim/0.9.0",
"Copilot-Integration-Id": "vscode-chat",
}
# Patch the get_llm_provider function instead of the config method
# Make it return the expected tuple directly
mock_get_provider.return_value = (
"gpt-4",
"github_copilot",
"gh.test-key-123456789",
"https://api.githubcopilot.com",
)
response = completion(
model="github_copilot/gpt-4",
messages=messages,
extra_headers=headers,
)
assert response is not None
# Verify the completion call was made with the expected params
mock_completion.assert_called_once()
args, kwargs = mock_completion.call_args
# Check that the proper authorization header is set
assert "headers" in kwargs
# Check that the model name is correctly formatted
assert (
kwargs.get("model") == "gpt-4"
) # Model name should be without provider prefix
assert kwargs.get("messages") == messages
@patch("litellm.llms.github_copilot.authenticator.Authenticator.get_api_key")
def test_authenticator_get_api_key(mock_get_api_key):
"""Test the Authenticator's get_api_key method."""
from litellm.llms.github_copilot.authenticator import Authenticator
# Test successful API key retrieval
mock_get_api_key.return_value = "gh.test-key-123456789"
authenticator = Authenticator()
api_key = authenticator.get_api_key()
assert api_key == "gh.test-key-123456789"
mock_get_api_key.assert_called_once()
# Test API key retrieval failure
mock_get_api_key.reset_mock()
mock_get_api_key.side_effect = GetAPIKeyError("Failed to get API key")
authenticator = Authenticator()
with pytest.raises(GetAPIKeyError) as excinfo:
authenticator.get_api_key()
assert "Failed to get API key" in str(excinfo.value)
def test_completion_github_copilot(stream=False):
try:
litellm.set_verbose = True
messages = [
{"role": "system", "content": "You are an AI programming assistant."},
{
"role": "user",
"content": "Write a Python function to calculate fibonacci numbers",
},
]
extra_headers = {
"editor-version": "Neovim/0.9.0",
"Copilot-Integration-Id": "vscode-chat",
}
response = completion(
model="github_copilot/gpt-4",
messages=messages,
stream=stream,
extra_headers=extra_headers,
)
print(response)
if stream is True:
for chunk in response:
print(chunk)
assert chunk is not None
assert isinstance(chunk, litellm.ModelResponseStream)
assert isinstance(chunk.choices[0], litellm.utils.StreamingChoices)
else:
assert response is not None
assert isinstance(response, litellm.ModelResponse)
assert response.choices[0].message.content is not None
except Exception as e:
pytest.fail(f"Error occurred: {e}")