import pytest
from mcp.server.fastmcp import FastMCP
@pytest.mark.asyncio
async def test_preco_diario_soja(mcp_server: FastMCP):
tools = mcp_server._tool_manager._tools
result = await tools["preco_diario"].fn(produto="soja", dias=3)
assert isinstance(result, str)
assert len(result) > 0
@pytest.mark.asyncio
async def test_preco_diario_invalid_product(mcp_server: FastMCP):
tools = mcp_server._tool_manager._tools
result = await tools["preco_diario"].fn(produto="inexistente", dias=3)
assert isinstance(result, str)
assert len(result) > 0
@pytest.mark.asyncio
async def test_futuros_b3_milho(mcp_server: FastMCP):
tools = mcp_server._tool_manager._tools
result = await tools["futuros_b3"].fn(contrato="milho", data="")
assert isinstance(result, str)
assert len(result) > 0
@pytest.mark.asyncio
async def test_futuros_b3_invalid_contract(mcp_server: FastMCP):
tools = mcp_server._tool_manager._tools
result = await tools["futuros_b3"].fn(contrato="inexistente", data="")
assert isinstance(result, str)
assert len(result) > 0
