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chore: add a2a kickoff tests and cassettes

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Greyson LaLonde
2026-01-30 08:59:48 -05:00
parent 7fa42d63a4
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211
lib/crewai/tests/agents/test_agent_a2a_kickoff.py Normal file
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"""Tests for Agent.kickoff() with A2A delegation using VCR cassettes."""
from __future__ import annotations
import os
import pytest
from crewai import Agent
from crewai.a2a.config import A2AClientConfig
A2A_TEST_ENDPOINT = os.getenv(
"A2A_TEST_ENDPOINT", "http://0.0.0.0:9999/.well-known/agent-card.json"
)
class TestAgentA2AKickoff:
"""Tests for Agent.kickoff() with A2A delegation."""
@pytest.fixture
def researcher_agent(self) -> Agent:
"""Create a research agent with A2A configuration."""
return Agent(
role="Research Analyst",
goal="Find and analyze information about AI developments",
backstory="Expert researcher with access to remote specialized agents",
verbose=True,
a2a=[
A2AClientConfig(
endpoint=A2A_TEST_ENDPOINT,
fail_fast=False,
max_turns=3, # Limit turns for testing
)
],
)
@pytest.mark.vcr()
def test_agent_kickoff_delegates_to_a2a(self, researcher_agent: Agent) -> None:
"""Test that agent.kickoff() delegates to A2A server."""
result = researcher_agent.kickoff(
"Use the remote A2A agent to find out what the current time is in New York."
)
assert result is not None
assert result.raw is not None
assert isinstance(result.raw, str)
assert len(result.raw) > 0
@pytest.mark.vcr()
def test_agent_kickoff_with_calculator_skill(
self, researcher_agent: Agent
) -> None:
"""Test that agent can delegate calculation to A2A server."""
result = researcher_agent.kickoff(
"Ask the remote A2A agent to calculate 25 times 17."
)
assert result is not None
assert result.raw is not None
assert "425" in result.raw or "425.0" in result.raw
@pytest.mark.vcr()
def test_agent_kickoff_with_conversation_skill(
self, researcher_agent: Agent
) -> None:
"""Test that agent can have a conversation with A2A server."""
result = researcher_agent.kickoff(
"Delegate to the remote A2A agent to explain quantum computing in simple terms."
)
assert result is not None
assert result.raw is not None
assert isinstance(result.raw, str)
assert len(result.raw) > 50 # Should have a meaningful response
@pytest.mark.vcr()
def test_agent_kickoff_returns_lite_agent_output(
self, researcher_agent: Agent
) -> None:
"""Test that kickoff returns LiteAgentOutput with correct structure."""
from crewai.lite_agent_output import LiteAgentOutput
result = researcher_agent.kickoff(
"Use the A2A agent to tell me what time it is."
)
assert isinstance(result, LiteAgentOutput)
assert result.raw is not None
assert result.agent_role == "Research Analyst"
assert isinstance(result.messages, list)
@pytest.mark.vcr()
def test_agent_kickoff_handles_multi_turn_conversation(
self, researcher_agent: Agent
) -> None:
"""Test that agent handles multi-turn A2A conversations."""
# This should trigger multiple turns of conversation
result = researcher_agent.kickoff(
"Ask the remote A2A agent about recent developments in AI agent communication protocols."
)
assert result is not None
assert result.raw is not None
# The response should contain information about A2A or agent protocols
assert isinstance(result.raw, str)
@pytest.mark.vcr()
def test_agent_without_a2a_works_normally(self) -> None:
"""Test that agent without A2A config works normally."""
agent = Agent(
role="Simple Assistant",
goal="Help with basic tasks",
backstory="A helpful assistant",
verbose=False,
)
# This should work without A2A delegation
result = agent.kickoff("Say hello")
assert result is not None
assert result.raw is not None
@pytest.mark.vcr()
def test_agent_kickoff_with_failed_a2a_endpoint(self) -> None:
"""Test that agent handles failed A2A connection gracefully."""
agent = Agent(
role="Research Analyst",
goal="Find information",
backstory="Expert researcher",
verbose=False,
a2a=[
A2AClientConfig(
endpoint="http://nonexistent:9999/.well-known/agent-card.json",
fail_fast=False,
)
],
)
# Should fallback to local LLM when A2A fails
result = agent.kickoff("What is 2 + 2?")
assert result is not None
assert result.raw is not None
@pytest.mark.vcr()
def test_agent_kickoff_with_list_messages(
self, researcher_agent: Agent
) -> None:
"""Test that agent.kickoff() works with list of messages."""
messages = [
{
"role": "user",
"content": "Delegate to the A2A agent to find the current time in Tokyo.",
},
]
result = researcher_agent.kickoff(messages)
assert result is not None
assert result.raw is not None
assert isinstance(result.raw, str)
class TestAgentA2AKickoffAsync:
"""Tests for async Agent.kickoff_async() with A2A delegation."""
@pytest.fixture
def researcher_agent(self) -> Agent:
"""Create a research agent with A2A configuration."""
return Agent(
role="Research Analyst",
goal="Find and analyze information",
backstory="Expert researcher with access to remote agents",
verbose=True,
a2a=[
A2AClientConfig(
endpoint=A2A_TEST_ENDPOINT,
fail_fast=False,
max_turns=3,
)
],
)
@pytest.mark.vcr()
@pytest.mark.asyncio
async def test_agent_kickoff_async_delegates_to_a2a(
self, researcher_agent: Agent
) -> None:
"""Test that agent.kickoff_async() delegates to A2A server."""
result = await researcher_agent.kickoff_async(
"Use the remote A2A agent to calculate 10 plus 15."
)
assert result is not None
assert result.raw is not None
assert isinstance(result.raw, str)
@pytest.mark.vcr()
@pytest.mark.asyncio
async def test_agent_kickoff_async_with_calculator(
self, researcher_agent: Agent
) -> None:
"""Test async delegation with calculator skill."""
result = await researcher_agent.kickoff_async(
"Ask the A2A agent to calculate 100 divided by 4."
)
assert result is not None
assert result.raw is not None
assert "25" in result.raw or "25.0" in result.raw

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lib/crewai/tests/cassettes/agents/TestAgentA2AKickoff.test_agent_kickoff_delegates_to_a2a.yaml Normal file
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