14072f9bb5
ToolExecutor: - Persona-specific toolkit selection (forge gets code tools, echo gets search) - Tool inference from task keywords (search→web_search, code→python) - LLM-powered reasoning about tool selection - Graceful degradation when Agno unavailable PersonaNode Updates: - Subscribe to swarm:events for task assignments - Execute tasks using ToolExecutor when assigned - Complete tasks via comms.complete_task() - Track current_task for status monitoring Tests: - 19 new tests for tool execution - All 6 personas covered - Tool inference verification - Edge cases (no toolkit, unknown tasks) Total: 491 tests passing
212 lines
8.0 KiB
Python
212 lines
8.0 KiB
Python
"""Tests for MCP tool execution in swarm agents.
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Covers:
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- ToolExecutor initialization for each persona
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- Task execution with appropriate tools
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- Tool inference from task descriptions
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- Error handling when tools unavailable
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Note: These tests run with mocked Agno, so actual tool availability
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may be limited. Tests verify the interface works correctly.
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"""
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import pytest
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from pathlib import Path
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from swarm.tool_executor import ToolExecutor
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from swarm.persona_node import PersonaNode
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from swarm.comms import SwarmComms
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class TestToolExecutor:
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"""Tests for the ToolExecutor class."""
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def test_create_for_persona_forge(self):
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"""Can create executor for Forge (coding) persona."""
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executor = ToolExecutor.for_persona("forge", "forge-test-001")
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assert executor._persona_id == "forge"
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assert executor._agent_id == "forge-test-001"
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def test_create_for_persona_echo(self):
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"""Can create executor for Echo (research) persona."""
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executor = ToolExecutor.for_persona("echo", "echo-test-001")
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assert executor._persona_id == "echo"
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assert executor._agent_id == "echo-test-001"
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def test_get_capabilities_returns_list(self):
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"""get_capabilities returns list (may be empty if tools unavailable)."""
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executor = ToolExecutor.for_persona("forge", "forge-test-001")
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caps = executor.get_capabilities()
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assert isinstance(caps, list)
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# Note: In tests with mocked Agno, this may be empty
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def test_describe_tools_returns_string(self):
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"""Tool descriptions are generated as string."""
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executor = ToolExecutor.for_persona("forge", "forge-test-001")
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desc = executor._describe_tools()
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assert isinstance(desc, str)
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# When toolkit is None, returns "No tools available"
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def test_infer_tools_for_code_task(self):
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"""Correctly infers tools needed for coding tasks."""
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executor = ToolExecutor.for_persona("forge", "forge-test-001")
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task = "Write a Python function to calculate fibonacci"
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tools = executor._infer_tools_needed(task)
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# Should infer python tool from keywords
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assert "python" in tools
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def test_infer_tools_for_search_task(self):
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"""Correctly infers tools needed for research tasks."""
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executor = ToolExecutor.for_persona("echo", "echo-test-001")
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task = "Search for information about Python asyncio"
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tools = executor._infer_tools_needed(task)
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# Should infer web_search from "search" keyword
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assert "web_search" in tools
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def test_infer_tools_for_file_task(self):
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"""Correctly infers tools needed for file operations."""
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executor = ToolExecutor.for_persona("quill", "quill-test-001")
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task = "Read the README file and write a summary"
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tools = executor._infer_tools_needed(task)
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# Should infer read_file from "read" keyword
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assert "read_file" in tools
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def test_execute_task_returns_dict(self):
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"""Task execution returns result dict."""
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executor = ToolExecutor.for_persona("echo", "echo-test-001")
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result = executor.execute_task("What is the weather today?")
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assert isinstance(result, dict)
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assert "success" in result
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assert "result" in result
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assert "tools_used" in result
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def test_execute_task_includes_metadata(self):
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"""Task result includes persona and agent IDs."""
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executor = ToolExecutor.for_persona("seer", "seer-test-001")
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result = executor.execute_task("Analyze this data")
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# Check metadata is present when execution succeeds
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if result.get("success"):
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assert result.get("persona_id") == "seer"
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assert result.get("agent_id") == "seer-test-001"
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def test_execute_task_handles_empty_toolkit(self):
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"""Execution handles case where toolkit is None."""
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executor = ToolExecutor("unknown", "unknown-001")
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executor._toolkit = None # Force None
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result = executor.execute_task("Some task")
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# Should still return a result even without toolkit
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assert isinstance(result, dict)
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assert "success" in result or "result" in result
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class TestPersonaNodeToolIntegration:
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"""Tests for PersonaNode integration with tools."""
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def test_persona_node_has_tool_executor(self):
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"""PersonaNode initializes with tool executor (or None if tools unavailable)."""
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comms = SwarmComms()
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node = PersonaNode("forge", "forge-test-001", comms=comms)
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# Should have tool executor attribute
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assert hasattr(node, '_tool_executor')
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def test_persona_node_tool_capabilities(self):
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"""PersonaNode exposes tool capabilities (may be empty in tests)."""
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comms = SwarmComms()
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node = PersonaNode("forge", "forge-test-001", comms=comms)
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caps = node.tool_capabilities
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assert isinstance(caps, list)
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# Note: May be empty in tests with mocked Agno
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def test_persona_node_tracks_current_task(self):
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"""PersonaNode tracks currently executing task."""
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comms = SwarmComms()
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node = PersonaNode("echo", "echo-test-001", comms=comms)
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# Initially no current task
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assert node.current_task is None
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def test_persona_node_handles_unknown_task(self):
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"""PersonaNode handles task not found gracefully."""
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comms = SwarmComms()
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node = PersonaNode("forge", "forge-test-001", comms=comms)
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# Try to handle non-existent task
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# This should log error but not crash
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node._handle_task_assignment("non-existent-task-id")
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# Should have no current task after handling
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assert node.current_task is None
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class TestToolInference:
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"""Tests for tool inference from task descriptions."""
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def test_infer_shell_from_command_keyword(self):
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"""Shell tool inferred from 'command' keyword."""
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executor = ToolExecutor.for_persona("helm", "helm-test")
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tools = executor._infer_tools_needed("Run the deploy command")
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assert "shell" in tools
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def test_infer_write_file_from_save_keyword(self):
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"""Write file tool inferred from 'save' keyword."""
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executor = ToolExecutor.for_persona("quill", "quill-test")
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tools = executor._infer_tools_needed("Save this to a file")
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assert "write_file" in tools
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def test_infer_list_files_from_directory_keyword(self):
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"""List files tool inferred from 'directory' keyword."""
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executor = ToolExecutor.for_persona("echo", "echo-test")
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tools = executor._infer_tools_needed("List files in the directory")
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assert "list_files" in tools
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def test_no_duplicate_tools(self):
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"""Tool inference doesn't duplicate tools."""
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executor = ToolExecutor.for_persona("forge", "forge-test")
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# Task with multiple code keywords
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tools = executor._infer_tools_needed("Code a python script")
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# Should only have python once
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assert tools.count("python") == 1
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class TestToolExecutionIntegration:
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"""Integration tests for tool execution flow."""
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def test_task_execution_with_tools_unavailable(self):
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"""Task execution works even when Agno tools unavailable."""
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executor = ToolExecutor.for_persona("echo", "echo-no-tools")
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# Force toolkit to None to simulate unavailable tools
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executor._toolkit = None
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executor._llm = None
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result = executor.execute_task("Search for something")
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# Should still return a valid result
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assert isinstance(result, dict)
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assert "result" in result
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# Tools should still be inferred even if not available
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assert "tools_used" in result
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