mirror of
https://github.com/invoke-ai/InvokeAI
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617 lines
16 KiB
Python
617 lines
16 KiB
Python
from .test_nodes import (
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ImageToImageTestInvocation,
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TextToImageTestInvocation,
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ListPassThroughInvocation,
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PromptTestInvocation,
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)
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from invokeai.app.services.graph import (
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Edge,
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Graph,
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GraphInvocation,
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InvalidEdgeError,
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NodeAlreadyInGraphError,
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NodeNotFoundError,
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are_connections_compatible,
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EdgeConnection,
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CollectInvocation,
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IterateInvocation,
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)
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from invokeai.app.invocations.upscale import ESRGANInvocation
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from invokeai.app.invocations.image import ShowImageInvocation
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from invokeai.app.invocations.math import AddInvocation, SubtractInvocation
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from invokeai.app.invocations.primitives import IntegerInvocation
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from invokeai.app.services.default_graphs import create_text_to_image
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import pytest
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# Helpers
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def create_edge(from_id: str, from_field: str, to_id: str, to_field: str) -> Edge:
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return Edge(
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source=EdgeConnection(node_id=from_id, field=from_field),
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destination=EdgeConnection(node_id=to_id, field=to_field),
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)
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# Tests
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def test_connections_are_compatible():
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from_node = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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from_field = "image"
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to_node = ESRGANInvocation(id="2")
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to_field = "image"
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result = are_connections_compatible(from_node, from_field, to_node, to_field)
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assert result is True
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def test_connections_are_incompatible():
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from_node = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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from_field = "image"
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to_node = ESRGANInvocation(id="2")
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to_field = "strength"
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result = are_connections_compatible(from_node, from_field, to_node, to_field)
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assert result is False
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def test_connections_incompatible_with_invalid_fields():
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from_node = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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from_field = "invalid_field"
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to_node = ESRGANInvocation(id="2")
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to_field = "image"
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# From field is invalid
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result = are_connections_compatible(from_node, from_field, to_node, to_field)
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assert result is False
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# To field is invalid
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from_field = "image"
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to_field = "invalid_field"
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result = are_connections_compatible(from_node, from_field, to_node, to_field)
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assert result is False
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def test_graph_can_add_node():
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g = Graph()
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n = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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g.add_node(n)
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assert n.id in g.nodes
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def test_graph_fails_to_add_node_with_duplicate_id():
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g = Graph()
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n = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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g.add_node(n)
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n2 = TextToImageTestInvocation(id="1", prompt="Banana sushi the second")
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with pytest.raises(NodeAlreadyInGraphError):
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g.add_node(n2)
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def test_graph_updates_node():
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g = Graph()
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n = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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g.add_node(n)
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n2 = TextToImageTestInvocation(id="2", prompt="Banana sushi the second")
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g.add_node(n2)
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nu = TextToImageTestInvocation(id="1", prompt="Banana sushi updated")
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g.update_node("1", nu)
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assert g.nodes["1"].prompt == "Banana sushi updated"
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def test_graph_fails_to_update_node_if_type_changes():
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g = Graph()
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n = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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g.add_node(n)
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n2 = ESRGANInvocation(id="2")
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g.add_node(n2)
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nu = ESRGANInvocation(id="1")
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with pytest.raises(TypeError):
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g.update_node("1", nu)
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def test_graph_allows_non_conflicting_id_change():
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g = Graph()
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n = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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g.add_node(n)
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n2 = ESRGANInvocation(id="2")
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g.add_node(n2)
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e1 = create_edge(n.id, "image", n2.id, "image")
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g.add_edge(e1)
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nu = TextToImageTestInvocation(id="3", prompt="Banana sushi")
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g.update_node("1", nu)
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with pytest.raises(NodeNotFoundError):
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g.get_node("1")
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assert g.get_node("3").prompt == "Banana sushi"
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assert len(g.edges) == 1
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assert (
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Edge(source=EdgeConnection(node_id="3", field="image"), destination=EdgeConnection(node_id="2", field="image"))
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in g.edges
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)
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def test_graph_fails_to_update_node_id_if_conflict():
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g = Graph()
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n = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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g.add_node(n)
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n2 = TextToImageTestInvocation(id="2", prompt="Banana sushi the second")
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g.add_node(n2)
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nu = TextToImageTestInvocation(id="2", prompt="Banana sushi")
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with pytest.raises(NodeAlreadyInGraphError):
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g.update_node("1", nu)
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def test_graph_adds_edge():
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g = Graph()
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n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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n2 = ESRGANInvocation(id="2")
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g.add_node(n1)
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g.add_node(n2)
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e = create_edge(n1.id, "image", n2.id, "image")
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g.add_edge(e)
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assert e in g.edges
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def test_graph_fails_to_add_edge_with_cycle():
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g = Graph()
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n1 = ESRGANInvocation(id="1")
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g.add_node(n1)
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e = create_edge(n1.id, "image", n1.id, "image")
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e)
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def test_graph_fails_to_add_edge_with_long_cycle():
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g = Graph()
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n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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n2 = ESRGANInvocation(id="2")
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n3 = ESRGANInvocation(id="3")
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g.add_node(n1)
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g.add_node(n2)
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g.add_node(n3)
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e1 = create_edge(n1.id, "image", n2.id, "image")
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e2 = create_edge(n2.id, "image", n3.id, "image")
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e3 = create_edge(n3.id, "image", n2.id, "image")
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g.add_edge(e1)
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g.add_edge(e2)
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e3)
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def test_graph_fails_to_add_edge_with_missing_node_id():
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g = Graph()
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n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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n2 = ESRGANInvocation(id="2")
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g.add_node(n1)
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g.add_node(n2)
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e1 = create_edge("1", "image", "3", "image")
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e2 = create_edge("3", "image", "1", "image")
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e1)
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e2)
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def test_graph_fails_to_add_edge_when_destination_exists():
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g = Graph()
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n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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n2 = ESRGANInvocation(id="2")
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n3 = ESRGANInvocation(id="3")
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g.add_node(n1)
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g.add_node(n2)
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g.add_node(n3)
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e1 = create_edge(n1.id, "image", n2.id, "image")
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e2 = create_edge(n1.id, "image", n3.id, "image")
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e3 = create_edge(n2.id, "image", n3.id, "image")
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g.add_edge(e1)
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g.add_edge(e2)
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e3)
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def test_graph_fails_to_add_edge_with_mismatched_types():
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g = Graph()
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n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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n2 = ESRGANInvocation(id="2")
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g.add_node(n1)
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g.add_node(n2)
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e1 = create_edge("1", "image", "2", "strength")
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e1)
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def test_graph_connects_collector():
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g = Graph()
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n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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n2 = TextToImageTestInvocation(id="2", prompt="Banana sushi 2")
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n3 = CollectInvocation(id="3")
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n4 = ListPassThroughInvocation(id="4")
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g.add_node(n1)
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g.add_node(n2)
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g.add_node(n3)
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g.add_node(n4)
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e1 = create_edge("1", "image", "3", "item")
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e2 = create_edge("2", "image", "3", "item")
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e3 = create_edge("3", "collection", "4", "collection")
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g.add_edge(e1)
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g.add_edge(e2)
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g.add_edge(e3)
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# TODO: test that derived types mixed with base types are compatible
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def test_graph_collector_invalid_with_varying_input_types():
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g = Graph()
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n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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n2 = PromptTestInvocation(id="2", prompt="banana sushi 2")
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n3 = CollectInvocation(id="3")
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g.add_node(n1)
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g.add_node(n2)
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g.add_node(n3)
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e1 = create_edge("1", "image", "3", "item")
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e2 = create_edge("2", "prompt", "3", "item")
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g.add_edge(e1)
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e2)
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def test_graph_collector_invalid_with_varying_input_output():
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g = Graph()
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n1 = PromptTestInvocation(id="1", prompt="Banana sushi")
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n2 = PromptTestInvocation(id="2", prompt="Banana sushi 2")
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n3 = CollectInvocation(id="3")
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n4 = ListPassThroughInvocation(id="4")
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g.add_node(n1)
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g.add_node(n2)
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g.add_node(n3)
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g.add_node(n4)
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e1 = create_edge("1", "prompt", "3", "item")
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e2 = create_edge("2", "prompt", "3", "item")
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e3 = create_edge("3", "collection", "4", "collection")
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g.add_edge(e1)
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g.add_edge(e2)
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e3)
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def test_graph_collector_invalid_with_non_list_output():
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g = Graph()
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n1 = PromptTestInvocation(id="1", prompt="Banana sushi")
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n2 = PromptTestInvocation(id="2", prompt="Banana sushi 2")
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n3 = CollectInvocation(id="3")
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n4 = PromptTestInvocation(id="4")
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g.add_node(n1)
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g.add_node(n2)
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g.add_node(n3)
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g.add_node(n4)
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e1 = create_edge("1", "prompt", "3", "item")
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e2 = create_edge("2", "prompt", "3", "item")
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e3 = create_edge("3", "collection", "4", "prompt")
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g.add_edge(e1)
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g.add_edge(e2)
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e3)
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def test_graph_connects_iterator():
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g = Graph()
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n1 = ListPassThroughInvocation(id="1")
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n2 = IterateInvocation(id="2")
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n3 = ImageToImageTestInvocation(id="3", prompt="Banana sushi")
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g.add_node(n1)
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g.add_node(n2)
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g.add_node(n3)
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e1 = create_edge("1", "collection", "2", "collection")
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e2 = create_edge("2", "item", "3", "image")
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g.add_edge(e1)
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g.add_edge(e2)
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# TODO: TEST INVALID ITERATOR SCENARIOS
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def test_graph_iterator_invalid_if_multiple_inputs():
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g = Graph()
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n1 = ListPassThroughInvocation(id="1")
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n2 = IterateInvocation(id="2")
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n3 = ImageToImageTestInvocation(id="3", prompt="Banana sushi")
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n4 = ListPassThroughInvocation(id="4")
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g.add_node(n1)
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g.add_node(n2)
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g.add_node(n3)
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g.add_node(n4)
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e1 = create_edge("1", "collection", "2", "collection")
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e2 = create_edge("2", "item", "3", "image")
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e3 = create_edge("4", "collection", "2", "collection")
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g.add_edge(e1)
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g.add_edge(e2)
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e3)
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def test_graph_iterator_invalid_if_input_not_list():
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g = Graph()
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n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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n2 = IterateInvocation(id="2")
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g.add_node(n1)
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g.add_node(n2)
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e1 = create_edge("1", "collection", "2", "collection")
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e1)
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def test_graph_iterator_invalid_if_output_and_input_types_different():
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g = Graph()
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n1 = ListPassThroughInvocation(id="1")
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n2 = IterateInvocation(id="2")
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n3 = PromptTestInvocation(id="3", prompt="Banana sushi")
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g.add_node(n1)
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g.add_node(n2)
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g.add_node(n3)
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e1 = create_edge("1", "collection", "2", "collection")
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e2 = create_edge("2", "item", "3", "prompt")
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g.add_edge(e1)
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with pytest.raises(InvalidEdgeError):
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g.add_edge(e2)
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def test_graph_validates():
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g = Graph()
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n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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n2 = ESRGANInvocation(id="2")
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g.add_node(n1)
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g.add_node(n2)
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e1 = create_edge("1", "image", "2", "image")
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g.add_edge(e1)
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assert g.is_valid() is True
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def test_graph_invalid_if_edges_reference_missing_nodes():
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g = Graph()
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n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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g.nodes[n1.id] = n1
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e1 = create_edge("1", "image", "2", "image")
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g.edges.append(e1)
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assert g.is_valid() is False
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def test_graph_invalid_if_subgraph_invalid():
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g = Graph()
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n1 = GraphInvocation(id="1")
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n1.graph = Graph()
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n1_1 = TextToImageTestInvocation(id="2", prompt="Banana sushi")
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n1.graph.nodes[n1_1.id] = n1_1
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e1 = create_edge("1", "image", "2", "image")
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n1.graph.edges.append(e1)
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g.nodes[n1.id] = n1
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assert g.is_valid() is False
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def test_graph_invalid_if_has_cycle():
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g = Graph()
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n1 = ESRGANInvocation(id="1")
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n2 = ESRGANInvocation(id="2")
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g.nodes[n1.id] = n1
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g.nodes[n2.id] = n2
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e1 = create_edge("1", "image", "2", "image")
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e2 = create_edge("2", "image", "1", "image")
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g.edges.append(e1)
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g.edges.append(e2)
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assert g.is_valid() is False
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def test_graph_invalid_with_invalid_connection():
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g = Graph()
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n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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n2 = ESRGANInvocation(id="2")
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g.nodes[n1.id] = n1
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g.nodes[n2.id] = n2
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e1 = create_edge("1", "image", "2", "strength")
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g.edges.append(e1)
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assert g.is_valid() is False
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# TODO: Subgraph operations
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def test_graph_gets_subgraph_node():
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g = Graph()
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n1 = GraphInvocation(id="1")
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n1.graph = Graph()
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n1.graph.add_node
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n1_1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
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n1.graph.add_node(n1_1)
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g.add_node(n1)
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result = g.get_node("1.1")
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assert result is not None
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assert result.id == "1"
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assert result == n1_1
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def test_graph_expands_subgraph():
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g = Graph()
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n1 = GraphInvocation(id="1")
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n1.graph = Graph()
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n1_1 = AddInvocation(id="1", a=1, b=2)
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n1_2 = SubtractInvocation(id="2", b=3)
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n1.graph.add_node(n1_1)
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n1.graph.add_node(n1_2)
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n1.graph.add_edge(create_edge("1", "a", "2", "a"))
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g.add_node(n1)
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n2 = AddInvocation(id="2", b=5)
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g.add_node(n2)
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g.add_edge(create_edge("1.2", "a", "2", "a"))
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|
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dg = g.nx_graph_flat()
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assert set(dg.nodes) == set(["1.1", "1.2", "2"])
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assert set(dg.edges) == set([("1.1", "1.2"), ("1.2", "2")])
|
|
|
|
|
|
def test_graph_subgraph_t2i():
|
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g = Graph()
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n1 = GraphInvocation(id="1")
|
|
|
|
# Get text to image default graph
|
|
lg = create_text_to_image()
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|
n1.graph = lg.graph
|
|
|
|
g.add_node(n1)
|
|
|
|
n2 = IntegerInvocation(id="2", a=512)
|
|
n3 = IntegerInvocation(id="3", a=256)
|
|
|
|
g.add_node(n2)
|
|
g.add_node(n3)
|
|
|
|
g.add_edge(create_edge("2", "a", "1.width", "a"))
|
|
g.add_edge(create_edge("3", "a", "1.height", "a"))
|
|
|
|
n4 = ShowImageInvocation(id="4")
|
|
g.add_node(n4)
|
|
g.add_edge(create_edge("1.8", "image", "4", "image"))
|
|
|
|
# Validate
|
|
dg = g.nx_graph_flat()
|
|
assert set(dg.nodes) == set(
|
|
["1.width", "1.height", "1.seed", "1.3", "1.4", "1.5", "1.6", "1.7", "1.8", "2", "3", "4"]
|
|
)
|
|
expected_edges = [(f"1.{e.source.node_id}", f"1.{e.destination.node_id}") for e in lg.graph.edges]
|
|
expected_edges.extend([("2", "1.width"), ("3", "1.height"), ("1.8", "4")])
|
|
print(expected_edges)
|
|
print(list(dg.edges))
|
|
assert set(dg.edges) == set(expected_edges)
|
|
|
|
|
|
def test_graph_fails_to_get_missing_subgraph_node():
|
|
g = Graph()
|
|
n1 = GraphInvocation(id="1")
|
|
n1.graph = Graph()
|
|
n1.graph.add_node
|
|
|
|
n1_1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
|
|
n1.graph.add_node(n1_1)
|
|
|
|
g.add_node(n1)
|
|
|
|
with pytest.raises(NodeNotFoundError):
|
|
_ = g.get_node("1.2")
|
|
|
|
|
|
def test_graph_fails_to_enumerate_non_subgraph_node():
|
|
g = Graph()
|
|
n1 = GraphInvocation(id="1")
|
|
n1.graph = Graph()
|
|
n1.graph.add_node
|
|
|
|
n1_1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
|
|
n1.graph.add_node(n1_1)
|
|
|
|
g.add_node(n1)
|
|
|
|
n2 = ESRGANInvocation(id="2")
|
|
g.add_node(n2)
|
|
|
|
with pytest.raises(NodeNotFoundError):
|
|
_ = g.get_node("2.1")
|
|
|
|
|
|
def test_graph_gets_networkx_graph():
|
|
g = Graph()
|
|
n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
|
|
n2 = ESRGANInvocation(id="2")
|
|
g.add_node(n1)
|
|
g.add_node(n2)
|
|
e = create_edge(n1.id, "image", n2.id, "image")
|
|
g.add_edge(e)
|
|
|
|
nxg = g.nx_graph()
|
|
|
|
assert "1" in nxg.nodes
|
|
assert "2" in nxg.nodes
|
|
assert ("1", "2") in nxg.edges
|
|
|
|
|
|
# TODO: Graph serializes and deserializes
|
|
def test_graph_can_serialize():
|
|
g = Graph()
|
|
n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
|
|
n2 = ESRGANInvocation(id="2")
|
|
g.add_node(n1)
|
|
g.add_node(n2)
|
|
e = create_edge(n1.id, "image", n2.id, "image")
|
|
g.add_edge(e)
|
|
|
|
# Not throwing on this line is sufficient
|
|
_ = g.json()
|
|
|
|
|
|
def test_graph_can_deserialize():
|
|
g = Graph()
|
|
n1 = TextToImageTestInvocation(id="1", prompt="Banana sushi")
|
|
n2 = ESRGANInvocation(id="2")
|
|
g.add_node(n1)
|
|
g.add_node(n2)
|
|
e = create_edge(n1.id, "image", n2.id, "image")
|
|
g.add_edge(e)
|
|
|
|
json = g.json()
|
|
g2 = Graph.parse_raw(json)
|
|
|
|
assert g2 is not None
|
|
assert g2.nodes["1"] is not None
|
|
assert g2.nodes["2"] is not None
|
|
assert len(g2.edges) == 1
|
|
assert g2.edges[0].source.node_id == "1"
|
|
assert g2.edges[0].source.field == "image"
|
|
assert g2.edges[0].destination.node_id == "2"
|
|
assert g2.edges[0].destination.field == "image"
|
|
|
|
|
|
def test_graph_can_generate_schema():
|
|
# Not throwing on this line is sufficient
|
|
# NOTE: if this test fails, it's PROBABLY because a new invocation type is breaking schema generation
|
|
_ = Graph.schema_json(indent=2)
|