mirror of
https://github.com/microsoft/agent-framework.git
synced 2026-06-16 21:04:09 +08:00
Eduard van Valkenburg
83e6229c11
* ported Content to a new model * fixed linting * fixes * fixed data format handling * fix for 3.10 mypy * fix * fix int test
363 lines
12 KiB
Python
363 lines
12 KiB
Python
# Copyright (c) Microsoft. All rights reserved.
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"""Focused tests for entity discovery functionality."""
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import asyncio
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import tempfile
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from pathlib import Path
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import pytest
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from agent_framework_devui._discovery import EntityDiscovery
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@pytest.fixture
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def test_entities_dir():
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"""Use the samples directory which has proper entity structure."""
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# Get the samples directory from the main python samples folder
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current_dir = Path(__file__).parent
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# Navigate to python/samples/getting_started/devui
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samples_dir = current_dir.parent.parent.parent / "samples" / "getting_started" / "devui"
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return str(samples_dir.resolve())
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async def test_discover_agents(test_entities_dir):
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"""Test that agent discovery works and returns valid agent entities."""
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discovery = EntityDiscovery(test_entities_dir)
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entities = await discovery.discover_entities()
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agents = [e for e in entities if e.type == "agent"]
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# Test that we can discover agents (not specific count)
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assert len(agents) > 0, "Should discover at least one agent"
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# Test agent structure/properties
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for agent in agents:
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assert agent.id, "Agent should have an ID"
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assert agent.name, "Agent should have a name"
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assert agent.type == "agent", "Should be identified as agent type"
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assert hasattr(agent, "description"), "Agent should have description attribute"
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async def test_discover_workflows(test_entities_dir):
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"""Test that workflow discovery works and returns valid workflow entities."""
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discovery = EntityDiscovery(test_entities_dir)
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entities = await discovery.discover_entities()
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workflows = [e for e in entities if e.type == "workflow"]
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# Test that we can discover workflows (not specific count)
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assert len(workflows) > 0, "Should discover at least one workflow"
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# Test workflow structure/properties
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for workflow in workflows:
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assert workflow.id, "Workflow should have an ID"
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assert workflow.name, "Workflow should have a name"
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assert workflow.type == "workflow", "Should be identified as workflow type"
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assert hasattr(workflow, "description"), "Workflow should have description attribute"
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async def test_empty_directory():
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"""Test discovery with empty directory."""
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with tempfile.TemporaryDirectory() as temp_dir:
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discovery = EntityDiscovery(temp_dir)
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entities = await discovery.discover_entities()
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assert len(entities) == 0
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async def test_discovery_accepts_agents_with_only_run():
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"""Test that discovery accepts agents with only run() method.
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With lazy loading, entities with only __init__.py are discovered
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but marked as "unknown" type until loaded.
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"""
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import tempfile
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from pathlib import Path
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with tempfile.TemporaryDirectory() as temp_dir:
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temp_path = Path(temp_dir)
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# Create agent with only run() method
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agent_dir = temp_path / "non_streaming_agent"
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agent_dir.mkdir()
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init_file = agent_dir / "__init__.py"
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init_file.write_text("""
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from agent_framework import AgentResponse, AgentThread, ChatMessage, Role, Content
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class NonStreamingAgent:
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id = "non_streaming"
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name = "Non-Streaming Agent"
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description = "Agent without run_stream"
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async def run(self, messages=None, *, thread=None, **kwargs):
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return AgentResponse(
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messages=[ChatMessage(
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role=Role.ASSISTANT,
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contents=[Content.from_text(text="response")]
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)],
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response_id="test"
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)
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def get_new_thread(self, **kwargs):
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return AgentThread()
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agent = NonStreamingAgent()
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""")
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discovery = EntityDiscovery(str(temp_path))
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entities = await discovery.discover_entities()
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# With lazy loading, entity is discovered but type is "unknown"
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# (no agent.py or workflow.py to detect type from)
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assert len(entities) == 1
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entity = entities[0]
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assert entity.id == "non_streaming_agent"
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assert entity.type == "unknown" # Type not yet determined
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assert entity.tools == [] # Sparse metadata
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# Trigger lazy loading to get full metadata
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agent_obj = await discovery.load_entity(entity.id)
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assert agent_obj is not None
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# Now check enriched metadata after loading
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enriched = discovery.get_entity_info(entity.id)
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assert enriched.type == "agent" # Now correctly identified
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assert enriched.name == "Non-Streaming Agent"
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assert not enriched.metadata.get("has_run_stream")
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async def test_lazy_loading():
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"""Test that entities are loaded on-demand, not at discovery time."""
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import tempfile
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from pathlib import Path
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with tempfile.TemporaryDirectory() as temp_dir:
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temp_path = Path(temp_dir)
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# Create test workflow
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workflow_dir = temp_path / "test_workflow"
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workflow_dir.mkdir()
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(workflow_dir / "workflow.py").write_text("""
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from agent_framework import WorkflowBuilder, FunctionExecutor
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# Create a simple workflow with a start executor
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def test_func(input: str) -> str:
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return f"Processed: {input}"
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builder = WorkflowBuilder()
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executor = FunctionExecutor(id="test_executor", func=test_func)
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builder.set_start_executor(executor)
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workflow = builder.build()
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""")
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discovery = EntityDiscovery(str(temp_path))
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# Discovery should NOT import module
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entities = await discovery.discover_entities()
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assert len(entities) == 1
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assert entities[0].id == "test_workflow"
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assert entities[0].type == "workflow" # Type detected from filename
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assert entities[0].tools == [] # Sparse metadata (not loaded yet)
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# Entity should NOT be in loaded_objects yet
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assert discovery.get_entity_object("test_workflow") is None
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# Trigger lazy load
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workflow_obj = await discovery.load_entity("test_workflow")
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assert workflow_obj is not None
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# Now in cache
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assert discovery.get_entity_object("test_workflow") is workflow_obj
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# Second load is instant (from cache)
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workflow_obj2 = await discovery.load_entity("test_workflow")
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assert workflow_obj2 is workflow_obj # Same object
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async def test_type_detection():
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"""Test that entity types are detected from filenames."""
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import tempfile
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from pathlib import Path
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with tempfile.TemporaryDirectory() as temp_dir:
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temp_path = Path(temp_dir)
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# Create workflow with workflow.py
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workflow_dir = temp_path / "my_workflow"
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workflow_dir.mkdir()
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(workflow_dir / "workflow.py").write_text("""
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from agent_framework import WorkflowBuilder, FunctionExecutor
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def test_func(input: str) -> str:
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return f"Processed: {input}"
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builder = WorkflowBuilder()
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executor = FunctionExecutor(id="test_executor", func=test_func)
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builder.set_start_executor(executor)
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workflow = builder.build()
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""")
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# Create agent with agent.py
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agent_dir = temp_path / "my_agent"
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agent_dir.mkdir()
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(agent_dir / "agent.py").write_text("""
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from agent_framework import AgentResponse, AgentThread, ChatMessage, Role, TextContent
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class TestAgent:
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name = "Test Agent"
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async def run(self, messages=None, *, thread=None, **kwargs):
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return AgentResponse(
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messages=[ChatMessage(role=Role.ASSISTANT, contents=[Content.from_text(text="test")])],
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response_id="test"
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)
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def get_new_thread(self, **kwargs):
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return AgentThread()
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agent = TestAgent()
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""")
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# Create ambiguous entity with __init__.py only
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unknown_dir = temp_path / "my_thing"
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unknown_dir.mkdir()
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(unknown_dir / "__init__.py").write_text("# thing")
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discovery = EntityDiscovery(str(temp_path))
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entities = await discovery.discover_entities()
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# Check types detected correctly
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by_id = {e.id: e for e in entities}
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assert by_id["my_workflow"].type == "workflow"
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assert by_id["my_agent"].type == "agent"
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assert by_id["my_thing"].type == "unknown"
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async def test_hot_reload():
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"""Test that invalidate_entity() enables hot reload."""
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import tempfile
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from pathlib import Path
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with tempfile.TemporaryDirectory() as temp_dir:
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temp_path = Path(temp_dir)
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# Create workflow
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workflow_dir = temp_path / "test_workflow"
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workflow_dir.mkdir()
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workflow_file = workflow_dir / "workflow.py"
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workflow_file.write_text("""
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from agent_framework import WorkflowBuilder, FunctionExecutor
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def test_func(input: str) -> str:
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return "v1"
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builder = WorkflowBuilder()
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executor = FunctionExecutor(id="test_executor", func=test_func)
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builder.set_start_executor(executor)
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workflow = builder.build()
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""")
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discovery = EntityDiscovery(str(temp_path))
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await discovery.discover_entities()
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# Load entity
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workflow1 = await discovery.load_entity("test_workflow")
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assert workflow1 is not None
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# Modify file to create a different workflow
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workflow_file.write_text("""
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from agent_framework import WorkflowBuilder, FunctionExecutor
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def test_func(input: str) -> str:
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return "v2"
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def test_func2(input: str) -> str:
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return "v2_extra"
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builder = WorkflowBuilder()
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executor1 = FunctionExecutor(id="test_executor", func=test_func)
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executor2 = FunctionExecutor(id="test_executor2", func=test_func2)
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builder.set_start_executor(executor1)
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builder.add_edge(executor1, executor2)
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workflow = builder.build()
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""")
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# Without invalidation, gets cached version
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workflow2 = await discovery.load_entity("test_workflow")
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assert workflow2 is workflow1 # Same object (cached)
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# Old workflow has 1 executor
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assert len(workflow2.get_executors_list()) == 1
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# Invalidate cache
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discovery.invalidate_entity("test_workflow")
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# Now reloads from disk
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workflow3 = await discovery.load_entity("test_workflow")
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assert workflow3 is not workflow1 # Different object
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# New workflow has 2 executors
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assert len(workflow3.get_executors_list()) == 2
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async def test_in_memory_entities_bypass_lazy_loading():
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"""Test that in-memory entities work as before (no lazy loading needed)."""
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from agent_framework import FunctionExecutor, WorkflowBuilder
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# Create in-memory workflow
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def test_func(input: str) -> str:
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return f"Processed: {input}"
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builder = WorkflowBuilder()
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executor = FunctionExecutor(id="test_executor", func=test_func)
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builder.set_start_executor(executor)
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workflow = builder.build()
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discovery = EntityDiscovery()
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# Register in-memory entity
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entity_info = await discovery.create_entity_info_from_object(workflow, entity_type="workflow", source="in_memory")
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discovery.register_entity(entity_info.id, entity_info, workflow)
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# Should be immediately available (no lazy loading)
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loaded = discovery.get_entity_object(entity_info.id)
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assert loaded is workflow
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# load_entity() should return immediately from cache
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loaded2 = await discovery.load_entity(entity_info.id)
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assert loaded2 is workflow # Same object (cache hit)
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if __name__ == "__main__":
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# Simple test runner
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async def run_tests():
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with tempfile.TemporaryDirectory() as temp_dir:
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temp_path = Path(temp_dir)
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# Create test files
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agent_file = temp_path / "test_agent.py"
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agent_file.write_text("""
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class WeatherAgent:
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name = "Weather Agent"
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description = "Gets weather information"
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def run_stream(self, input_str):
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return f"Weather in {input_str}"
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""")
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workflow_file = temp_path / "test_workflow.py"
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workflow_file.write_text("""
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class DataWorkflow:
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name = "Data Processing Workflow"
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description = "Processes data"
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def run(self, data):
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return f"Processed {data}"
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""")
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discovery = EntityDiscovery(str(temp_path))
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await discovery.discover_entities()
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asyncio.run(run_tests())
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