Files
crewAI/tests/tools/test_tool_usage.py
Bowen Liang 0b0f2d30ab sort imports with isort rules by ruff linter (#1730)
* sort imports

* update

---------

Co-authored-by: Brandon Hancock (bhancock_ai) <109994880+bhancockio@users.noreply.github.com>
Co-authored-by: Eduardo Chiarotti <dudumelgaco@hotmail.com>
2024-12-11 10:46:53 -05:00

124 lines
3.8 KiB
Python

import json
import random
from unittest.mock import MagicMock
import pytest
from pydantic import BaseModel, Field
from crewai import Agent, Task
from crewai.tools import BaseTool
from crewai.tools.tool_usage import ToolUsage
class RandomNumberToolInput(BaseModel):
min_value: int = Field(
..., description="The minimum value of the range (inclusive)"
)
max_value: int = Field(
..., description="The maximum value of the range (inclusive)"
)
class RandomNumberTool(BaseTool):
name: str = "Random Number Generator"
description: str = "Generates a random number within a specified range"
args_schema: type[BaseModel] = RandomNumberToolInput
def _run(self, min_value: int, max_value: int) -> int:
return random.randint(min_value, max_value)
# Example agent and task
example_agent = Agent(
role="Number Generator",
goal="Generate random numbers for various purposes",
backstory="You are an AI agent specialized in generating random numbers within specified ranges.",
tools=[RandomNumberTool()],
verbose=True,
)
example_task = Task(
description="Generate a random number between 1 and 100",
expected_output="A random number between 1 and 100",
agent=example_agent,
)
def test_random_number_tool_range():
tool = RandomNumberTool()
result = tool._run(1, 10)
assert 1 <= result <= 10
def test_random_number_tool_invalid_range():
tool = RandomNumberTool()
with pytest.raises(ValueError):
tool._run(10, 1) # min_value > max_value
def test_random_number_tool_schema():
tool = RandomNumberTool()
# Get the schema using model_json_schema()
schema = tool.args_schema.model_json_schema()
# Convert the schema to a string
schema_str = json.dumps(schema)
# Check if the schema string contains the expected fields
assert "min_value" in schema_str
assert "max_value" in schema_str
# Parse the schema string back to a dictionary
schema_dict = json.loads(schema_str)
# Check if the schema contains the correct field types
assert schema_dict["properties"]["min_value"]["type"] == "integer"
assert schema_dict["properties"]["max_value"]["type"] == "integer"
# Check if the schema contains the field descriptions
assert (
"minimum value" in schema_dict["properties"]["min_value"]["description"].lower()
)
assert (
"maximum value" in schema_dict["properties"]["max_value"]["description"].lower()
)
def test_tool_usage_render():
tool = RandomNumberTool()
tool_usage = ToolUsage(
tools_handler=MagicMock(),
tools=[tool],
original_tools=[tool],
tools_description="Sample tool for testing",
tools_names="random_number_generator",
task=MagicMock(),
function_calling_llm=MagicMock(),
agent=MagicMock(),
action=MagicMock(),
)
rendered = tool_usage._render()
# Updated checks to match the actual output
assert "Tool Name: Random Number Generator" in rendered
assert "Tool Arguments:" in rendered
assert (
"'min_value': {'description': 'The minimum value of the range (inclusive)', 'type': 'int'}"
in rendered
)
assert (
"'max_value': {'description': 'The maximum value of the range (inclusive)', 'type': 'int'}"
in rendered
)
assert (
"Tool Description: Generates a random number within a specified range"
in rendered
)
assert (
"Tool Name: Random Number Generator\nTool Arguments: {'min_value': {'description': 'The minimum value of the range (inclusive)', 'type': 'int'}, 'max_value': {'description': 'The maximum value of the range (inclusive)', 'type': 'int'}}\nTool Description: Generates a random number within a specified range"
in rendered
)