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