InvokeAI/tests/nodes/test_node_graph.py
Kyle Schouviller 34e3aa1f88 parent 9eed1919c2
author Kyle Schouviller <kyle0654@hotmail.com> 1669872800 -0800
committer Kyle Schouviller <kyle0654@hotmail.com> 1676240900 -0800

Adding base node architecture

Fix type annotation errors

Runs and generates, but breaks in saving session

Fix default model value setting. Fix deprecation warning.

Fixed node api

Adding markdown docs

Simplifying Generate construction in apps

[nodes] A few minor changes (#2510)

* Pin api-related requirements

* Remove confusing extra CORS origins list

* Adds response models for HTTP 200

[nodes] Adding graph_execution_state to soon replace session. Adding tests with pytest.

Minor typing fixes

[nodes] Fix some small output query hookups

[node] Fixing some additional typing issues

[nodes] Move and expand graph code. Add base item storage and sqlite implementation.

Update startup to match new code

[nodes] Add callbacks to item storage

[nodes] Adding an InvocationContext object to use for invocations to provide easier extensibility

[nodes] New execution model that handles iteration

[nodes] Fixing the CLI

[nodes] Adding a note to the CLI

[nodes] Split processing thread into separate service

[node] Add error message on node processing failure

Removing old files and duplicated packages

Adding python-multipart
2023-02-24 18:57:02 -08:00

502 lines
15 KiB
Python

from ldm.invoke.app.invocations.image import *
from .test_nodes import ListPassThroughInvocation, PromptTestInvocation
from ldm.invoke.app.services.graph import Graph, GraphInvocation, InvalidEdgeError, NodeAlreadyInGraphError, NodeNotFoundError, are_connections_compatible, EdgeConnection, CollectInvocation, IterateInvocation
from ldm.invoke.app.invocations.generate import ImageToImageInvocation, TextToImageInvocation
from ldm.invoke.app.invocations.upscale import UpscaleInvocation
import pytest
# Helpers
def create_edge(from_id: str, from_field: str, to_id: str, to_field: str) -> tuple[EdgeConnection, EdgeConnection]:
return (EdgeConnection(node_id = from_id, field = from_field), EdgeConnection(node_id = to_id, field = to_field))
# Tests
def test_connections_are_compatible():
from_node = TextToImageInvocation(id = "1", prompt = "Banana sushi")
from_field = "image"
to_node = UpscaleInvocation(id = "2")
to_field = "image"
result = are_connections_compatible(from_node, from_field, to_node, to_field)
assert result == True
def test_connections_are_incompatible():
from_node = TextToImageInvocation(id = "1", prompt = "Banana sushi")
from_field = "image"
to_node = UpscaleInvocation(id = "2")
to_field = "strength"
result = are_connections_compatible(from_node, from_field, to_node, to_field)
assert result == False
def test_connections_incompatible_with_invalid_fields():
from_node = TextToImageInvocation(id = "1", prompt = "Banana sushi")
from_field = "invalid_field"
to_node = UpscaleInvocation(id = "2")
to_field = "image"
# From field is invalid
result = are_connections_compatible(from_node, from_field, to_node, to_field)
assert result == False
# To field is invalid
from_field = "image"
to_field = "invalid_field"
result = are_connections_compatible(from_node, from_field, to_node, to_field)
assert result == False
def test_graph_can_add_node():
g = Graph()
n = TextToImageInvocation(id = "1", prompt = "Banana sushi")
g.add_node(n)
assert n.id in g.nodes
def test_graph_fails_to_add_node_with_duplicate_id():
g = Graph()
n = TextToImageInvocation(id = "1", prompt = "Banana sushi")
g.add_node(n)
n2 = TextToImageInvocation(id = "1", prompt = "Banana sushi the second")
with pytest.raises(NodeAlreadyInGraphError):
g.add_node(n2)
def test_graph_updates_node():
g = Graph()
n = TextToImageInvocation(id = "1", prompt = "Banana sushi")
g.add_node(n)
n2 = TextToImageInvocation(id = "2", prompt = "Banana sushi the second")
g.add_node(n2)
nu = TextToImageInvocation(id = "1", prompt = "Banana sushi updated")
g.update_node("1", nu)
assert g.nodes["1"].prompt == "Banana sushi updated"
def test_graph_fails_to_update_node_if_type_changes():
g = Graph()
n = TextToImageInvocation(id = "1", prompt = "Banana sushi")
g.add_node(n)
n2 = UpscaleInvocation(id = "2")
g.add_node(n2)
nu = UpscaleInvocation(id = "1")
with pytest.raises(TypeError):
g.update_node("1", nu)
def test_graph_allows_non_conflicting_id_change():
g = Graph()
n = TextToImageInvocation(id = "1", prompt = "Banana sushi")
g.add_node(n)
n2 = UpscaleInvocation(id = "2")
g.add_node(n2)
e1 = create_edge(n.id,"image",n2.id,"image")
g.add_edge(e1)
nu = TextToImageInvocation(id = "3", prompt = "Banana sushi")
g.update_node("1", nu)
with pytest.raises(NodeNotFoundError):
g.get_node("1")
assert g.get_node("3").prompt == "Banana sushi"
assert len(g.edges) == 1
assert (EdgeConnection(node_id = "3", field = "image"), EdgeConnection(node_id = "2", field = "image")) in g.edges
def test_graph_fails_to_update_node_id_if_conflict():
g = Graph()
n = TextToImageInvocation(id = "1", prompt = "Banana sushi")
g.add_node(n)
n2 = TextToImageInvocation(id = "2", prompt = "Banana sushi the second")
g.add_node(n2)
nu = TextToImageInvocation(id = "2", prompt = "Banana sushi")
with pytest.raises(NodeAlreadyInGraphError):
g.update_node("1", nu)
def test_graph_adds_edge():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = UpscaleInvocation(id = "2")
g.add_node(n1)
g.add_node(n2)
e = create_edge(n1.id,"image",n2.id,"image")
g.add_edge(e)
assert e in g.edges
def test_graph_fails_to_add_edge_with_cycle():
g = Graph()
n1 = UpscaleInvocation(id = "1")
g.add_node(n1)
e = create_edge(n1.id,"image",n1.id,"image")
with pytest.raises(InvalidEdgeError):
g.add_edge(e)
def test_graph_fails_to_add_edge_with_long_cycle():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = UpscaleInvocation(id = "2")
n3 = UpscaleInvocation(id = "3")
g.add_node(n1)
g.add_node(n2)
g.add_node(n3)
e1 = create_edge(n1.id,"image",n2.id,"image")
e2 = create_edge(n2.id,"image",n3.id,"image")
e3 = create_edge(n3.id,"image",n2.id,"image")
g.add_edge(e1)
g.add_edge(e2)
with pytest.raises(InvalidEdgeError):
g.add_edge(e3)
def test_graph_fails_to_add_edge_with_missing_node_id():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = UpscaleInvocation(id = "2")
g.add_node(n1)
g.add_node(n2)
e1 = create_edge("1","image","3","image")
e2 = create_edge("3","image","1","image")
with pytest.raises(InvalidEdgeError):
g.add_edge(e1)
with pytest.raises(InvalidEdgeError):
g.add_edge(e2)
def test_graph_fails_to_add_edge_when_destination_exists():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = UpscaleInvocation(id = "2")
n3 = UpscaleInvocation(id = "3")
g.add_node(n1)
g.add_node(n2)
g.add_node(n3)
e1 = create_edge(n1.id,"image",n2.id,"image")
e2 = create_edge(n1.id,"image",n3.id,"image")
e3 = create_edge(n2.id,"image",n3.id,"image")
g.add_edge(e1)
g.add_edge(e2)
with pytest.raises(InvalidEdgeError):
g.add_edge(e3)
def test_graph_fails_to_add_edge_with_mismatched_types():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = UpscaleInvocation(id = "2")
g.add_node(n1)
g.add_node(n2)
e1 = create_edge("1","image","2","strength")
with pytest.raises(InvalidEdgeError):
g.add_edge(e1)
def test_graph_connects_collector():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = TextToImageInvocation(id = "2", prompt = "Banana sushi 2")
n3 = CollectInvocation(id = "3")
n4 = ListPassThroughInvocation(id = "4")
g.add_node(n1)
g.add_node(n2)
g.add_node(n3)
g.add_node(n4)
e1 = create_edge("1","image","3","item")
e2 = create_edge("2","image","3","item")
e3 = create_edge("3","collection","4","collection")
g.add_edge(e1)
g.add_edge(e2)
g.add_edge(e3)
# TODO: test that derived types mixed with base types are compatible
def test_graph_collector_invalid_with_varying_input_types():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = PromptTestInvocation(id = "2", prompt = "banana sushi 2")
n3 = CollectInvocation(id = "3")
g.add_node(n1)
g.add_node(n2)
g.add_node(n3)
e1 = create_edge("1","image","3","item")
e2 = create_edge("2","prompt","3","item")
g.add_edge(e1)
with pytest.raises(InvalidEdgeError):
g.add_edge(e2)
def test_graph_collector_invalid_with_varying_input_output():
g = Graph()
n1 = PromptTestInvocation(id = "1", prompt = "Banana sushi")
n2 = PromptTestInvocation(id = "2", prompt = "Banana sushi 2")
n3 = CollectInvocation(id = "3")
n4 = ListPassThroughInvocation(id = "4")
g.add_node(n1)
g.add_node(n2)
g.add_node(n3)
g.add_node(n4)
e1 = create_edge("1","prompt","3","item")
e2 = create_edge("2","prompt","3","item")
e3 = create_edge("3","collection","4","collection")
g.add_edge(e1)
g.add_edge(e2)
with pytest.raises(InvalidEdgeError):
g.add_edge(e3)
def test_graph_collector_invalid_with_non_list_output():
g = Graph()
n1 = PromptTestInvocation(id = "1", prompt = "Banana sushi")
n2 = PromptTestInvocation(id = "2", prompt = "Banana sushi 2")
n3 = CollectInvocation(id = "3")
n4 = PromptTestInvocation(id = "4")
g.add_node(n1)
g.add_node(n2)
g.add_node(n3)
g.add_node(n4)
e1 = create_edge("1","prompt","3","item")
e2 = create_edge("2","prompt","3","item")
e3 = create_edge("3","collection","4","prompt")
g.add_edge(e1)
g.add_edge(e2)
with pytest.raises(InvalidEdgeError):
g.add_edge(e3)
def test_graph_connects_iterator():
g = Graph()
n1 = ListPassThroughInvocation(id = "1")
n2 = IterateInvocation(id = "2")
n3 = ImageToImageInvocation(id = "3", prompt = "Banana sushi")
g.add_node(n1)
g.add_node(n2)
g.add_node(n3)
e1 = create_edge("1","collection","2","collection")
e2 = create_edge("2","item","3","image")
g.add_edge(e1)
g.add_edge(e2)
# TODO: TEST INVALID ITERATOR SCENARIOS
def test_graph_iterator_invalid_if_multiple_inputs():
g = Graph()
n1 = ListPassThroughInvocation(id = "1")
n2 = IterateInvocation(id = "2")
n3 = ImageToImageInvocation(id = "3", prompt = "Banana sushi")
n4 = ListPassThroughInvocation(id = "4")
g.add_node(n1)
g.add_node(n2)
g.add_node(n3)
g.add_node(n4)
e1 = create_edge("1","collection","2","collection")
e2 = create_edge("2","item","3","image")
e3 = create_edge("4","collection","2","collection")
g.add_edge(e1)
g.add_edge(e2)
with pytest.raises(InvalidEdgeError):
g.add_edge(e3)
def test_graph_iterator_invalid_if_input_not_list():
g = Graph()
n1 = TextToImageInvocation(id = "1", promopt = "Banana sushi")
n2 = IterateInvocation(id = "2")
g.add_node(n1)
g.add_node(n2)
e1 = create_edge("1","collection","2","collection")
with pytest.raises(InvalidEdgeError):
g.add_edge(e1)
def test_graph_iterator_invalid_if_output_and_input_types_different():
g = Graph()
n1 = ListPassThroughInvocation(id = "1")
n2 = IterateInvocation(id = "2")
n3 = PromptTestInvocation(id = "3", prompt = "Banana sushi")
g.add_node(n1)
g.add_node(n2)
g.add_node(n3)
e1 = create_edge("1","collection","2","collection")
e2 = create_edge("2","item","3","prompt")
g.add_edge(e1)
with pytest.raises(InvalidEdgeError):
g.add_edge(e2)
def test_graph_validates():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = UpscaleInvocation(id = "2")
g.add_node(n1)
g.add_node(n2)
e1 = create_edge("1","image","2","image")
g.add_edge(e1)
assert g.is_valid() == True
def test_graph_invalid_if_edges_reference_missing_nodes():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
g.nodes[n1.id] = n1
e1 = create_edge("1","image","2","image")
g.edges.append(e1)
assert g.is_valid() == False
def test_graph_invalid_if_subgraph_invalid():
g = Graph()
n1 = GraphInvocation(id = "1")
n1.graph = Graph()
n1_1 = TextToImageInvocation(id = "2", prompt = "Banana sushi")
n1.graph.nodes[n1_1.id] = n1_1
e1 = create_edge("1","image","2","image")
n1.graph.edges.append(e1)
g.nodes[n1.id] = n1
assert g.is_valid() == False
def test_graph_invalid_if_has_cycle():
g = Graph()
n1 = UpscaleInvocation(id = "1")
n2 = UpscaleInvocation(id = "2")
g.nodes[n1.id] = n1
g.nodes[n2.id] = n2
e1 = create_edge("1","image","2","image")
e2 = create_edge("2","image","1","image")
g.edges.append(e1)
g.edges.append(e2)
assert g.is_valid() == False
def test_graph_invalid_with_invalid_connection():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = UpscaleInvocation(id = "2")
g.nodes[n1.id] = n1
g.nodes[n2.id] = n2
e1 = create_edge("1","image","2","strength")
g.edges.append(e1)
assert g.is_valid() == False
# TODO: Subgraph operations
def test_graph_gets_subgraph_node():
g = Graph()
n1 = GraphInvocation(id = "1")
n1.graph = Graph()
n1.graph.add_node
n1_1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n1.graph.add_node(n1_1)
g.add_node(n1)
result = g.get_node('1.1')
assert result is not None
assert result.id == '1'
assert result == n1_1
def test_graph_fails_to_get_missing_subgraph_node():
g = Graph()
n1 = GraphInvocation(id = "1")
n1.graph = Graph()
n1.graph.add_node
n1_1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n1.graph.add_node(n1_1)
g.add_node(n1)
with pytest.raises(NodeNotFoundError):
result = 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 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n1.graph.add_node(n1_1)
g.add_node(n1)
n2 = UpscaleInvocation(id = "2")
g.add_node(n2)
with pytest.raises(NodeNotFoundError):
result = g.get_node('2.1')
def test_graph_gets_networkx_graph():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = UpscaleInvocation(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 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = UpscaleInvocation(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
json = g.json()
def test_graph_can_deserialize():
g = Graph()
n1 = TextToImageInvocation(id = "1", prompt = "Banana sushi")
n2 = UpscaleInvocation(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][0].node_id == '1'
assert g2.edges[0][0].field == 'image'
assert g2.edges[0][1].node_id == '2'
assert g2.edges[0][1].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
schema = Graph.schema_json(indent = 2)