Files
DocsGPT/tests/llm/handlers/test_google.py
2025-09-30 16:03:02 +05:30

272 lines
10 KiB
Python

import pytest
from unittest.mock import Mock, patch
from types import SimpleNamespace
import uuid
from application.llm.handlers.google import GoogleLLMHandler
from application.llm.handlers.base import ToolCall, LLMResponse
class TestGoogleLLMHandler:
"""Test GoogleLLMHandler class."""
def test_handler_initialization(self):
"""Test handler initialization."""
handler = GoogleLLMHandler()
assert handler.llm_calls == []
assert handler.tool_calls == []
def test_parse_response_string_input(self):
"""Test parsing string response."""
handler = GoogleLLMHandler()
response = "Hello from Google!"
result = handler.parse_response(response)
assert isinstance(result, LLMResponse)
assert result.content == "Hello from Google!"
assert result.tool_calls == []
assert result.finish_reason == "stop"
assert result.raw_response == "Hello from Google!"
def test_parse_response_with_candidates_text_only(self):
"""Test parsing response with candidates containing only text."""
handler = GoogleLLMHandler()
mock_part = SimpleNamespace(text="Google response text")
mock_content = SimpleNamespace(parts=[mock_part])
mock_candidate = SimpleNamespace(content=mock_content)
mock_response = SimpleNamespace(candidates=[mock_candidate])
result = handler.parse_response(mock_response)
assert result.content == "Google response text"
assert result.tool_calls == []
assert result.finish_reason == "stop"
assert result.raw_response == mock_response
def test_parse_response_with_multiple_text_parts(self):
"""Test parsing response with multiple text parts."""
handler = GoogleLLMHandler()
mock_part1 = SimpleNamespace(text="First part")
mock_part2 = SimpleNamespace(text="Second part")
mock_content = SimpleNamespace(parts=[mock_part1, mock_part2])
mock_candidate = SimpleNamespace(content=mock_content)
mock_response = SimpleNamespace(candidates=[mock_candidate])
result = handler.parse_response(mock_response)
assert result.content == "First part Second part"
assert result.tool_calls == []
assert result.finish_reason == "stop"
@patch('uuid.uuid4')
def test_parse_response_with_function_call(self, mock_uuid):
"""Test parsing response with function call."""
mock_uuid.return_value = Mock(spec=uuid.UUID)
mock_uuid.return_value.__str__ = Mock(return_value="test-uuid-123")
handler = GoogleLLMHandler()
mock_function_call = SimpleNamespace(
name="get_weather",
args={"location": "San Francisco"}
)
mock_part = SimpleNamespace(function_call=mock_function_call)
mock_content = SimpleNamespace(parts=[mock_part])
mock_candidate = SimpleNamespace(content=mock_content)
mock_response = SimpleNamespace(candidates=[mock_candidate])
result = handler.parse_response(mock_response)
assert result.content == ""
assert len(result.tool_calls) == 1
assert result.tool_calls[0].id == "test-uuid-123"
assert result.tool_calls[0].name == "get_weather"
assert result.tool_calls[0].arguments == {"location": "San Francisco"}
assert result.finish_reason == "tool_calls"
@patch('uuid.uuid4')
def test_parse_response_with_mixed_parts(self, mock_uuid):
"""Test parsing response with both text and function call parts."""
mock_uuid.return_value = Mock(spec=uuid.UUID)
mock_uuid.return_value.__str__ = Mock(return_value="test-uuid-456")
handler = GoogleLLMHandler()
mock_text_part = SimpleNamespace(text="I'll check the weather for you.")
mock_function_call = SimpleNamespace(
name="get_weather",
args={"location": "NYC"}
)
mock_function_part = SimpleNamespace(function_call=mock_function_call)
mock_content = SimpleNamespace(parts=[mock_text_part, mock_function_part])
mock_candidate = SimpleNamespace(content=mock_content)
mock_response = SimpleNamespace(candidates=[mock_candidate])
result = handler.parse_response(mock_response)
assert result.content == "I'll check the weather for you."
assert len(result.tool_calls) == 1
assert result.tool_calls[0].name == "get_weather"
assert result.finish_reason == "tool_calls"
def test_parse_response_empty_candidates(self):
"""Test parsing response with empty candidates."""
handler = GoogleLLMHandler()
mock_response = SimpleNamespace(candidates=[])
result = handler.parse_response(mock_response)
assert result.content == ""
assert result.tool_calls == []
assert result.finish_reason == "stop"
def test_parse_response_parts_with_none_text(self):
"""Test parsing response with parts that have None text."""
handler = GoogleLLMHandler()
mock_part1 = SimpleNamespace(text=None)
mock_part2 = SimpleNamespace(text="Valid text")
mock_content = SimpleNamespace(parts=[mock_part1, mock_part2])
mock_candidate = SimpleNamespace(content=mock_content)
mock_response = SimpleNamespace(candidates=[mock_candidate])
result = handler.parse_response(mock_response)
assert result.content == "Valid text"
def test_parse_response_parts_without_text_attribute(self):
"""Test parsing response with parts missing text attribute."""
handler = GoogleLLMHandler()
mock_part1 = SimpleNamespace()
mock_part2 = SimpleNamespace(text="Valid text")
mock_content = SimpleNamespace(parts=[mock_part1, mock_part2])
mock_candidate = SimpleNamespace(content=mock_content)
mock_response = SimpleNamespace(candidates=[mock_candidate])
result = handler.parse_response(mock_response)
assert result.content == "Valid text"
@patch('uuid.uuid4')
def test_parse_response_direct_function_call(self, mock_uuid):
"""Test parsing response with direct function call (not in candidates)."""
mock_uuid.return_value = Mock(spec=uuid.UUID)
mock_uuid.return_value.__str__ = Mock(return_value="direct-uuid-789")
handler = GoogleLLMHandler()
mock_function_call = SimpleNamespace(
name="calculate",
args={"expression": "2+2"}
)
mock_response = SimpleNamespace(
function_call=mock_function_call,
text="The calculation result is:"
)
result = handler.parse_response(mock_response)
assert result.content == "The calculation result is:"
assert len(result.tool_calls) == 1
assert result.tool_calls[0].id == "direct-uuid-789"
assert result.tool_calls[0].name == "calculate"
assert result.tool_calls[0].arguments == {"expression": "2+2"}
assert result.finish_reason == "tool_calls"
def test_parse_response_direct_function_call_no_text(self):
"""Test parsing response with direct function call and no text."""
handler = GoogleLLMHandler()
mock_function_call = SimpleNamespace(
name="get_data",
args={"id": 123}
)
mock_response = SimpleNamespace(function_call=mock_function_call)
result = handler.parse_response(mock_response)
assert result.content == ""
assert len(result.tool_calls) == 1
assert result.tool_calls[0].name == "get_data"
assert result.finish_reason == "tool_calls"
def test_create_tool_message(self):
"""Test creating tool message."""
handler = GoogleLLMHandler()
tool_call = ToolCall(
id="call_123",
name="get_weather",
arguments={"location": "Tokyo"},
index=0
)
result = {"temperature": "25C", "condition": "cloudy"}
message = handler.create_tool_message(tool_call, result)
expected = {
"role": "model",
"content": [
{
"function_response": {
"name": "get_weather",
"response": {"result": result},
}
}
],
}
assert message == expected
def test_create_tool_message_string_result(self):
"""Test creating tool message with string result."""
handler = GoogleLLMHandler()
tool_call = ToolCall(id="call_456", name="get_time", arguments={})
result = "2023-12-01 15:30:00 JST"
message = handler.create_tool_message(tool_call, result)
assert message["role"] == "model"
assert message["content"][0]["function_response"]["response"]["result"] == result
assert message["content"][0]["function_response"]["name"] == "get_time"
def test_iterate_stream(self):
"""Test stream iteration."""
handler = GoogleLLMHandler()
mock_chunks = ["chunk1", "chunk2", "chunk3"]
result = list(handler._iterate_stream(mock_chunks))
assert result == mock_chunks
def test_iterate_stream_empty(self):
"""Test stream iteration with empty response."""
handler = GoogleLLMHandler()
result = list(handler._iterate_stream([]))
assert result == []
def test_parse_response_parts_without_function_call_attribute(self):
"""Test parsing response with parts missing function_call attribute."""
handler = GoogleLLMHandler()
mock_part = SimpleNamespace(text="Normal text")
mock_content = SimpleNamespace(parts=[mock_part])
mock_candidate = SimpleNamespace(content=mock_content)
mock_response = SimpleNamespace(candidates=[mock_candidate])
result = handler.parse_response(mock_response)
assert result.content == "Normal text"
assert result.tool_calls == []
assert result.finish_reason == "stop"