haiku.rag/tests/test_a2a.py
Yiorgis Gozadinos e70fa737b7
Tests for a2a
2025-10-13 18:01:21 +03:00

159 lines
5 KiB
Python

import uuid
import pytest
from haiku.rag.a2a import (
extract_question_from_task,
load_message_history,
save_message_history,
)
from haiku.rag.client import HaikuRAG
pytest.importorskip("fasta2a")
from fasta2a.schema import Message, TextPart # noqa: E402
from pydantic_ai.messages import ( # noqa: E402
ModelMessage,
ModelRequest,
ModelResponse,
ToolCallPart,
ToolReturnPart,
)
from pydantic_ai.messages import (
TextPart as AITextPart,
)
@pytest.mark.asyncio
async def test_save_and_load_message_history():
"""Test round-trip of saving and loading message history."""
# Create sample message history with proper part_kind for ModelRequest
from pydantic_ai.messages import UserPromptPart
original_history: list[ModelMessage] = [
ModelRequest(parts=[UserPromptPart(content="What is Python?")]),
ModelResponse(parts=[AITextPart(content="Python is a programming language")]),
]
# Save to A2A format
saved_message = save_message_history(original_history)
# Verify structure
assert saved_message["role"] == "agent"
assert saved_message["kind"] == "message"
assert len(saved_message["parts"]) == 1
assert saved_message["parts"][0]["kind"] == "data"
metadata = saved_message["parts"][0].get("metadata")
assert metadata is not None
assert metadata.get("type") == "conversation_state"
# Load it back
loaded_history = load_message_history([saved_message])
# Verify it matches
assert len(loaded_history) == len(original_history)
# First message is a request with UserPromptPart
assert isinstance(loaded_history[0], ModelRequest)
first_part = loaded_history[0].parts[0]
assert hasattr(first_part, "content")
assert first_part.content == "What is Python?" # type: ignore
# Second message is a response with TextPart
assert isinstance(loaded_history[1], ModelResponse)
second_part = loaded_history[1].parts[0]
assert hasattr(second_part, "content")
assert second_part.content == "Python is a programming language" # type: ignore
@pytest.mark.asyncio
async def test_save_and_load_message_history_with_tool_calls():
"""Test saving and loading message history that includes tool calls."""
from pydantic_ai.messages import UserPromptPart
original_history: list[ModelMessage] = [
ModelRequest(parts=[UserPromptPart(content="Search for Python")]),
ModelResponse(
parts=[
ToolCallPart(
tool_name="search_documents",
args={"query": "Python", "limit": 3},
tool_call_id="call_1",
)
]
),
ModelRequest(
parts=[
ToolReturnPart(
tool_name="search_documents",
content="Python is a high-level programming language",
tool_call_id="call_1",
)
]
),
ModelResponse(
parts=[AITextPart(content="Based on the search, Python is a language")]
),
]
# Save and load
saved_message = save_message_history(original_history)
loaded_history = load_message_history([saved_message])
# Verify tool calls are preserved
assert len(loaded_history) == 4
assert isinstance(loaded_history[1].parts[0], ToolCallPart)
assert loaded_history[1].parts[0].tool_name == "search_documents"
assert isinstance(loaded_history[2].parts[0], ToolReturnPart)
assert loaded_history[2].parts[0].tool_name == "search_documents"
@pytest.mark.asyncio
async def test_extract_question_from_task():
"""Test extracting user question from task history."""
task_history: list[Message] = [
Message(
role="user",
parts=[TextPart(kind="text", text="What is Python?")],
kind="message",
message_id=str(uuid.uuid4()),
)
]
question = extract_question_from_task(task_history)
assert question == "What is Python?"
@pytest.mark.asyncio
async def test_extract_question_from_task_no_text():
"""Test extracting question when no text part exists."""
task_history: list[Message] = [
Message(
role="user",
parts=[],
kind="message",
message_id=str(uuid.uuid4()),
)
]
question = extract_question_from_task(task_history)
assert question is None
@pytest.mark.asyncio
async def test_a2a_app_creation(temp_db_path):
"""Test that A2A app can be created successfully."""
from haiku.rag.a2a import create_a2a_app
# Create a test database
async with HaikuRAG(temp_db_path) as client:
await client.create_document(
content="Python is a high-level programming language known for its simplicity.",
uri="python_doc",
)
# Create A2A app
app = create_a2a_app(temp_db_path)
# Verify app properties
assert app.name == "haiku-rag"
assert app.description is not None
assert "conversational" in app.description.lower()