feat: adds graph completion retriever tests with new fixture
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import os
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import pytest
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import pathlib
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import pytest_asyncio
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from typing import Optional, Union
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import cognee
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from cognee.low_level import setup, DataPoint
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from cognee.modules.graph.utils import resolve_edges_to_text
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from cognee.tasks.storage import add_data_points
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from cognee.modules.retrieval.graph_completion_retriever import GraphCompletionRetriever
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@pytest_asyncio.fixture
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async def setup_test_environment_simple():
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"""Set up a clean test environment with simple graph data."""
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base_dir = pathlib.Path(__file__).parent.parent.parent.parent
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system_directory_path = str(base_dir / ".cognee_system/test_graph_completion_context_simple")
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data_directory_path = str(base_dir / ".data_storage/test_graph_completion_context_simple")
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cognee.config.system_root_directory(system_directory_path)
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cognee.config.data_root_directory(data_directory_path)
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await cognee.prune.prune_data()
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await cognee.prune.prune_system(metadata=True)
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await setup()
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class Company(DataPoint):
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name: str
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description: str
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class Person(DataPoint):
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name: str
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description: str
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works_for: Company
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company1 = Company(name="Figma", description="Figma is a company")
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company2 = Company(name="Canva", description="Canvas is a company")
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person1 = Person(
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name="Steve Rodger",
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description="This is description about Steve Rodger",
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works_for=company1,
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)
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person2 = Person(
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name="Ike Loma", description="This is description about Ike Loma", works_for=company1
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)
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person3 = Person(
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name="Jason Statham",
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description="This is description about Jason Statham",
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works_for=company1,
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)
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person4 = Person(
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name="Mike Broski",
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description="This is description about Mike Broski",
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works_for=company2,
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)
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person5 = Person(
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name="Christina Mayer",
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description="This is description about Christina Mayer",
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works_for=company2,
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)
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entities = [company1, company2, person1, person2, person3, person4, person5]
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await add_data_points(entities)
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yield
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try:
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await cognee.prune.prune_data()
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await cognee.prune.prune_system(metadata=True)
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except Exception:
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pass
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@pytest_asyncio.fixture
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async def setup_test_environment_complex():
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"""Set up a clean test environment with complex graph data."""
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base_dir = pathlib.Path(__file__).parent.parent.parent.parent
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system_directory_path = str(base_dir / ".cognee_system/test_graph_completion_context_complex")
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data_directory_path = str(base_dir / ".data_storage/test_graph_completion_context_complex")
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cognee.config.system_root_directory(system_directory_path)
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cognee.config.data_root_directory(data_directory_path)
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await cognee.prune.prune_data()
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await cognee.prune.prune_system(metadata=True)
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await setup()
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class Company(DataPoint):
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name: str
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metadata: dict = {"index_fields": ["name"]}
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class Car(DataPoint):
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brand: str
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model: str
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year: int
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class Location(DataPoint):
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country: str
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city: str
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class Home(DataPoint):
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location: Location
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rooms: int
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sqm: int
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class Person(DataPoint):
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name: str
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works_for: Company
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owns: Optional[list[Union[Car, Home]]] = None
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company1 = Company(name="Figma")
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company2 = Company(name="Canva")
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person1 = Person(name="Mike Rodger", works_for=company1)
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person1.owns = [Car(brand="Toyota", model="Camry", year=2020)]
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person2 = Person(name="Ike Loma", works_for=company1)
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person2.owns = [
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Car(brand="Tesla", model="Model S", year=2021),
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Home(location=Location(country="USA", city="New York"), sqm=80, rooms=4),
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]
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person3 = Person(name="Jason Statham", works_for=company1)
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person4 = Person(name="Mike Broski", works_for=company2)
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person4.owns = [Car(brand="Ford", model="Mustang", year=1978)]
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person5 = Person(name="Christina Mayer", works_for=company2)
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person5.owns = [Car(brand="Honda", model="Civic", year=2023)]
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entities = [company1, company2, person1, person2, person3, person4, person5]
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await add_data_points(entities)
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yield
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try:
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await cognee.prune.prune_data()
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await cognee.prune.prune_system(metadata=True)
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except Exception:
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pass
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@pytest_asyncio.fixture
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async def setup_test_environment_empty():
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"""Set up a clean test environment without graph data."""
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base_dir = pathlib.Path(__file__).parent.parent.parent.parent
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system_directory_path = str(
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base_dir / ".cognee_system/test_get_graph_completion_context_on_empty_graph"
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)
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data_directory_path = str(
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base_dir / ".data_storage/test_get_graph_completion_context_on_empty_graph"
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)
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cognee.config.system_root_directory(system_directory_path)
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cognee.config.data_root_directory(data_directory_path)
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await cognee.prune.prune_data()
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await cognee.prune.prune_system(metadata=True)
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await setup()
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yield
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try:
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await cognee.prune.prune_data()
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await cognee.prune.prune_system(metadata=True)
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except Exception:
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pass
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@pytest.mark.asyncio
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async def test_graph_completion_context_simple(setup_test_environment_simple):
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"""Integration test: verify GraphCompletionRetriever can retrieve context (simple)."""
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retriever = GraphCompletionRetriever()
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context = await resolve_edges_to_text(await retriever.get_context("Who works at Canva?"))
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# Ensure the top-level sections are present
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assert "Nodes:" in context, "Missing 'Nodes:' section in context"
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assert "Connections:" in context, "Missing 'Connections:' section in context"
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# --- Nodes headers ---
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assert "Node: Steve Rodger" in context, "Missing node header for Steve Rodger"
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assert "Node: Figma" in context, "Missing node header for Figma"
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assert "Node: Ike Loma" in context, "Missing node header for Ike Loma"
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assert "Node: Jason Statham" in context, "Missing node header for Jason Statham"
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assert "Node: Mike Broski" in context, "Missing node header for Mike Broski"
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assert "Node: Canva" in context, "Missing node header for Canva"
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assert "Node: Christina Mayer" in context, "Missing node header for Christina Mayer"
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# --- Node contents ---
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assert (
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"__node_content_start__\nThis is description about Steve Rodger\n__node_content_end__"
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in context
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), "Description block for Steve Rodger altered"
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assert "__node_content_start__\nFigma is a company\n__node_content_end__" in context, (
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"Description block for Figma altered"
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)
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assert (
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"__node_content_start__\nThis is description about Ike Loma\n__node_content_end__"
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in context
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), "Description block for Ike Loma altered"
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assert (
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"__node_content_start__\nThis is description about Jason Statham\n__node_content_end__"
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in context
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), "Description block for Jason Statham altered"
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assert (
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"__node_content_start__\nThis is description about Mike Broski\n__node_content_end__"
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in context
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), "Description block for Mike Broski altered"
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assert "__node_content_start__\nCanvas is a company\n__node_content_end__" in context, (
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"Description block for Canva altered"
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)
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assert (
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"__node_content_start__\nThis is description about Christina Mayer\n__node_content_end__"
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in context
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), "Description block for Christina Mayer altered"
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# --- Connections ---
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assert "Steve Rodger --[works_for]--> Figma" in context, (
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"Connection Steve Rodger→Figma missing or changed"
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)
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assert "Ike Loma --[works_for]--> Figma" in context, (
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"Connection Ike Loma→Figma missing or changed"
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)
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assert "Jason Statham --[works_for]--> Figma" in context, (
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"Connection Jason Statham→Figma missing or changed"
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)
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assert "Mike Broski --[works_for]--> Canva" in context, (
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"Connection Mike Broski→Canva missing or changed"
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)
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assert "Christina Mayer --[works_for]--> Canva" in context, (
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"Connection Christina Mayer→Canva missing or changed"
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)
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@pytest.mark.asyncio
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async def test_graph_completion_context_complex(setup_test_environment_complex):
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"""Integration test: verify GraphCompletionRetriever can retrieve context (complex)."""
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retriever = GraphCompletionRetriever(top_k=20)
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context = await resolve_edges_to_text(await retriever.get_context("Who works at Figma?"))
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assert "Mike Rodger --[works_for]--> Figma" in context, "Failed to get Mike Rodger"
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assert "Ike Loma --[works_for]--> Figma" in context, "Failed to get Ike Loma"
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assert "Jason Statham --[works_for]--> Figma" in context, "Failed to get Jason Statham"
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@pytest.mark.asyncio
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async def test_get_graph_completion_context_on_empty_graph(setup_test_environment_empty):
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"""Integration test: verify GraphCompletionRetriever handles empty graph correctly."""
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retriever = GraphCompletionRetriever()
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context = await retriever.get_context("Who works at Figma?")
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assert context == [], "Context should be empty on an empty graph"
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