Files
confidence-engine/tests/graph/utils.test.js
T

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JavaScript

import { describe, it, expect } from "vitest";
import {
validateGraphReferences,
detectDuplicateNodeIds,
detectDuplicateEdges,
scoreUnknownCandidate,
findDependentNodes,
findAffectedNodes,
resolveUnknownNode,
selectActiveUnknownCandidate,
applyGraphUpdate,
validateGraphUpdate,
} from "@/lib/graph/utils.js";
import { makeNode, makeEdge, makeGraph } from "@/lib/graph/schema.js";
// ── Helper: build a minimal graph for tests ───────────
function makeTestGraph() {
const n1 = makeNode({ id: "n1", label: "Actor A" });
const n2 = makeNode({ id: "n2", label: "State B" });
const n3 = makeNode({ id: "n3", label: "Transition C" });
const n4 = makeNode({ id: "n4", label: "Unknown D" });
const n5 = makeNode({ id: "n5", label: "Unknown E" });
// n2 depends on n1; n3 depends on n2 (transitive depends on n1)
n2.dependsOn.push(n1.id);
n3.dependsOn.push(n2.id);
// n4 is an unknown not depended on
// n5 is an unknown depended upon by n3 indirectly
const e1 = makeEdge({
id: "e1",
fromNodeId: n1.id,
toNodeId: n2.id,
relationship: "depends_on",
});
const e2 = makeEdge({
id: "e2",
fromNodeId: n3.id,
toNodeId: n1.id,
relationship: "supports",
});
return makeGraph({
centralStatement: "Test graph",
nodes: [n1, n2, n3, n4, n5],
edges: [e1, e2],
activeUnknownNodeId: n4.id,
resolvedNodeIds: [],
currentSummary: "Test",
});
}
describe("validateGraphReferences", () => {
it("accepts valid graph with all self-consistent references", () => {
const graph = makeTestGraph();
const result = validateGraphReferences(graph);
expect(result.valid).toBe(true);
expect(result.errors.length).toBe(0);
});
it("detects invalid parentId reference", () => {
const graph = makeTestGraph();
// n1 has no parentId, so this won't trigger; let's add one manually
graph.nodes[0].parentId = "nonexistent-parent";
const result = validateGraphReferences(graph);
expect(result.valid).toBe(false);
expect(result.errors.some((e) => e.includes("nonexistent-parent"))).toBe(
true,
);
});
it("detects invalid childIds reference", () => {
const graph = makeTestGraph();
graph.nodes[0].childIds.push("ghost-node");
const result = validateGraphReferences(graph);
expect(result.valid).toBe(false);
});
it("detects invalid dependsOn reference", () => {
const graph = makeTestGraph();
graph.nodes[0].dependsOn.push("phantom-dep");
const result = validateGraphReferences(graph);
expect(result.valid).toBe(false);
});
it("detects invalid affects reference", () => {
const graph = makeTestGraph();
graph.nodes[0].affects.push("void-node");
const result = validateGraphReferences(graph);
expect(result.valid).toBe(false);
});
it("detects edge referencing non-existent fromNodeId", () => {
const graph = makeTestGraph();
graph.edges[0].fromNodeId = "ghost-node";
const result = validateGraphReferences(graph);
expect(result.valid).toBe(false);
expect(result.errors.some((e) => e.includes("ghost-node"))).toBe(true);
});
it("detects edge referencing non-existent toNodeId", () => {
const graph = makeTestGraph();
graph.edges[0].toNodeId = "void-node";
const result = validateGraphReferences(graph);
expect(result.valid).toBe(false);
});
it("allows mixed valid and invalid references", () => {
const graph = makeTestGraph();
graph.nodes[0].parentId = "missing";
graph.nodes[1].parentId = "also-missing";
const result = validateGraphReferences(graph);
expect(result.valid).toBe(false);
expect(result.errors.length).toBe(2);
});
});
describe("detectDuplicateNodeIds", () => {
it("returns empty for unique nodes", () => {
const graph = makeTestGraph();
const dups = detectDuplicateNodeIds(graph.nodes);
expect(dups.length).toBe(0);
});
it("detects exact duplicate IDs", () => {
const n1 = makeNode({ id: "dup", label: "First" });
const n2 = makeNode({ id: "dup", label: "Second" });
const dups = detectDuplicateNodeIds([n1, n2]);
expect(dups.length).toBe(1);
expect(dups[0].nodeId).toBe("dup");
expect(dups[0].count).toBe(2);
});
it("detects multiple duplicate groups", () => {
const nodes = [
makeNode({ id: "dup", label: "A" }),
makeNode({ id: "dup", label: "B" }),
makeNode({ id: "dup", label: "C" }),
makeNode({ id: "dup2", label: "D" }),
makeNode({ id: "dup2", label: "E" }),
];
const dups = detectDuplicateNodeIds(nodes);
expect(dups.length).toBe(2);
});
it("reports correct count for triple duplicates", () => {
const nodes = [
makeNode({ id: "trip", label: "1" }),
makeNode({ id: "trip", label: "2" }),
makeNode({ id: "trip", label: "3" }),
];
const dups = detectDuplicateNodeIds(nodes);
expect(dups[0].count).toBe(3);
});
});
describe("detectDuplicateEdges", () => {
it("returns empty for unique edges", () => {
const graph = makeTestGraph();
const dups = detectDuplicateEdges(graph.edges);
expect(dups.length).toBe(0);
});
it("detects duplicate edge (same from, to, relationship)", () => {
const n1 = makeNode({ id: "n1", label: "A" });
const n2 = makeNode({ id: "n2", label: "B" });
const e1 = makeEdge({
id: "e1",
fromNodeId: n1.id,
toNodeId: n2.id,
relationship: "supports",
});
const e2 = makeEdge({
id: "e2",
fromNodeId: n1.id,
toNodeId: n2.id,
relationship: "supports",
});
const dups = detectDuplicateEdges([e1, e2]);
expect(dups.length).toBe(1);
});
it("allows same nodes with different relationship types", () => {
const n1 = makeNode({ id: "n1", label: "A" });
const n2 = makeNode({ id: "n2", label: "B" });
const e1 = makeEdge({
id: "e1",
fromNodeId: n1.id,
toNodeId: n2.id,
relationship: "supports",
});
const e2 = makeEdge({
id: "e2",
fromNodeId: n1.id,
toNodeId: n2.id,
relationship: "weakens",
});
const dups = detectDuplicateEdges([e1, e2]);
expect(dups.length).toBe(0);
});
it("detects reversed direction as different edge", () => {
const n1 = makeNode({ id: "n1", label: "A" });
const n2 = makeNode({ id: "n2", label: "B" });
const e1 = makeEdge({
id: "e1",
fromNodeId: n1.id,
toNodeId: n2.id,
relationship: "supports",
});
const e2 = makeEdge({
id: "e2",
fromNodeId: n2.id,
toNodeId: n1.id,
relationship: "supports",
});
const dups = detectDuplicateEdges([e1, e2]);
expect(dups.length).toBe(0);
});
});
describe("findDependentNodes (transitive)", () => {
it("returns empty for node with no dependents", () => {
const graph = makeTestGraph();
// n5 has nothing depending on it
const deps = findDependentNodes(graph, "n5");
expect(deps.length).toBe(0);
});
it("finds direct dependents via dependsOn", () => {
const graph = makeTestGraph();
// n2 depends on n1
const deps = findDependentNodes(graph, "n1");
expect(deps).toContain("n2");
});
it("finds transitive dependents via dependsOn chain", () => {
const graph = makeTestGraph();
// n3 depends on n2 depends on n1 — so both n2 and n3 depend on n1
const deps = findDependentNodes(graph, "n1");
expect(deps).toContain("n2");
expect(deps).toContain("n3");
});
it("finds dependents via edge relationship too", () => {
const graph = makeTestGraph();
// e2: n3 -> n1 (supports), so if we query for nodes depending on n1
// the function also looks at edges where toNodeId === queriedId
const deps = findDependentNodes(graph, "n1");
expect(deps).toContain("n2");
});
it("returns self if node depends on itself", () => {
const graph = makeTestGraph();
graph.nodes[0].dependsOn.push("n1"); // n1 depends on n1 (circular)
const deps = findDependentNodes(graph, "n1");
expect(deps).toContain("n1");
});
it("handles deep dependency chains", () => {
const nodes = [];
for (let i = 1; i <= 10; i++) {
nodes.push(makeNode({ id: `n${i}`, label: `N${i}` }));
}
// Chain: n2 depends on n1, n3 depends on n2, ..., n10 depends on n9
for (let i = 2; i <= 10; i++) {
nodes[i - 1].dependsOn.push(nodes[0].id); // All depend on n1
}
const graph = makeGraph({
centralStatement: "Chain",
nodes,
edges: [],
activeUnknownNodeId: null,
resolvedNodeIds: [],
currentSummary: "Test",
});
const deps = findDependentNodes(graph, "n1");
expect(deps.length).toBe(9); // All other nodes depend on n1
});
});
describe("findAffectedNodes (transitive)", () => {
it("returns empty for node that affects nothing", () => {
const graph = makeTestGraph();
const affected = findAffectedNodes(graph, "n5");
expect(affected.length).toBe(0);
});
it("finds nodes listed in affects array", () => {
// Set up: n2 has n3 in its affects list
const graph = makeTestGraph();
graph.nodes[1].affects.push("n3");
const affected = findAffectedNodes(graph, "n2");
expect(affected).toContain("n3");
});
it("propagates through dependsOn transitive chain", () => {
// n3 depends on n2, and n2's affects includes some node that depends on n3
const graph = makeTestGraph();
// If n2 is changed and n3 depends on n2, then n3 should be affected
graph.nodes[2].dependsOn.push("n2"); // Explicit dependency
const affected = findAffectedNodes(graph, "n2");
expect(affected).toContain("n3");
});
it("handles empty graph", () => {
// build a minimal graph without triggering schema validation for this edge case
const graph = {
centralStatement: "Empty",
nodes: [],
edges: [],
resolvedNodeIds: [],
currentSummary: "",
activeUnknownNodeId: null,
};
const affected = findAffectedNodes(graph, "any-node");
expect(affected.length).toBe(0);
});
});
describe("resolveUnknownNode", () => {
it("returns success for valid node id", () => {
const graph = makeTestGraph();
const result = resolveUnknownNode(
graph,
"n4",
"resolved",
"Confirmed",
"User confirmed",
);
expect(result.success).toBe(true);
expect(result.newStatus).toBe("resolved");
expect(result.reason).toBe("User confirmed");
});
it("returns error for non-existent node", () => {
const graph = makeTestGraph();
const result = resolveUnknownNode(
graph,
"ghost-node",
"resolved",
null,
"reason",
);
expect(result.success).toBe(false);
expect(result.error).toContain("not found");
});
it("reports affectedNodes in result", () => {
const graph = makeTestGraph();
// n5 depends on... actually let's set up properly
graph.nodes[3].affects.push("n1"); // Unknown depends on Actor A
graph.nodes[3].dependsOn.push("n2"); // Unknown depends on State B
const result = resolveUnknownNode(
graph,
"n4",
"resolved",
"Yes",
"Clarified",
);
expect(result.success).toBe(true);
});
it("tracks previous status and value", () => {
const graph = makeTestGraph();
const result = resolveUnknownNode(
graph,
"n4",
"known",
"confirmed_value",
"Evidence found",
);
expect(result.previousStatus).toBe("unknown");
expect(result.newValue).toBe("confirmed_value");
});
});
describe("selectActiveUnknownCandidate", () => {
it("returns null when no unresolved unknowns", () => {
// makeTestGraph nodes default to kind "observation", not "unknown"
// Create explicit unknown-kind nodes for this test
const nUnknown = makeNode({
id: "n-unk-x",
label: "Unknown X",
kind: "unknown",
});
const graph = makeGraph({
centralStatement: "Test",
nodes: [nUnknown],
edges: [],
activeUnknownNodeId: null,
resolvedNodeIds: [],
currentSummary: "Test",
});
// Mark it as resolved so no unresolved unknowns remain
const result = selectActiveUnknownCandidate(graph, ["n-unk-x"]);
expect(result).toBeNull();
});
it("skips already-resolved nodes and returns remaining unknown", () => {
const n1 = makeNode({ id: "n1", label: "A", kind: "observation" });
const n2 = makeNode({ id: "n-unk-b", label: "Unknown B", kind: "unknown" });
const graph = makeGraph({
centralStatement: "Test",
nodes: [n1, n2],
edges: [],
activeUnknownNodeId: null,
resolvedNodeIds: [],
currentSummary: "Test",
});
// Skip n2 by passing it as resolved; no unknown-kind nodes remain
const result = selectActiveUnknownCandidate(graph, ["n-unk-b"]);
expect(result).toBeNull();
// Without skipping, should return n2
const result2 = selectActiveUnknownCandidate(graph, []);
expect(result2.nodeId).toBe("n-unk-b");
});
it("prioritises nodes with more dependents", () => {
const unknownA = makeNode({
id: "unknown-a",
label: "Unknown A",
kind: "unknown",
});
const unknownB = makeNode({
id: "unknown-b",
label: "Unknown B",
kind: "unknown",
});
const dependent = makeNode({
id: "dep",
label: "Dependent",
kind: "state",
});
dependent.dependsOn.push("unknown-a");
const graph = makeGraph({
centralStatement: "Priority test",
nodes: [unknownA, unknownB, dependent],
edges: [],
activeUnknownNodeId: null,
resolvedNodeIds: [],
currentSummary: "Test",
});
const result = selectActiveUnknownCandidate(graph, []);
expect(result.nodeId).toBe("unknown-a"); // Has more dependents (score 2 vs 0)
expect(result.status).toBe("selected");
});
it("returns one candidate (not array)", () => {
const n1 = makeNode({ id: "n1", label: "A", kind: "observation" });
const nUnknown = makeNode({
id: "n-unk",
label: "Pending",
kind: "unknown",
});
const graph = makeGraph({
centralStatement: "Test",
nodes: [n1, nUnknown],
edges: [],
activeUnknownNodeId: null,
resolvedNodeIds: [],
currentSummary: "Test",
});
const result = selectActiveUnknownCandidate(graph, []);
expect(typeof result).toBe("object");
expect(result.nodeId).toBeDefined();
expect(result.label).toBeDefined();
expect(result.score).toBeDefined();
});
it("commercial value wins over pricing", () => {
const commercialValue = makeNode({
id: "n-commercial-value",
label: "Commercial value definition",
description:
"Need to define commercial value because the decision depends on it.",
kind: "unknown",
status: "unknown",
confidence: "high",
});
const pricing = makeNode({
id: "n-pricing",
label: "Target price point",
description:
"Need a target price point because revenue assumptions depend on it.",
kind: "unknown",
status: "unknown",
confidence: "medium",
dependsOn: ["n-commercial-value"],
});
const decision = makeNode({
id: "n-decision",
label: "Build decision",
description: "Decision context",
kind: "state",
status: "supported",
confidence: "medium",
dependsOn: ["n-commercial-value", "n-pricing"],
});
const graph = makeGraph({
centralStatement: "Build decision",
nodes: [commercialValue, pricing, decision],
edges: [],
activeUnknownNodeId: pricing.id,
resolvedNodeIds: [],
currentSummary: "Test",
});
const result = selectActiveUnknownCandidate(graph, []);
expect(result.nodeId).toBe("n-commercial-value");
});
it("customer value wins over UI colour", () => {
const customerValue = makeNode({
id: "n-customer-value",
label: "Customer value",
description:
"Need to know customer value because adoption depends on it.",
kind: "unknown",
status: "unknown",
confidence: "high",
});
const uiColour = makeNode({
id: "n-ui-colour",
label: "UI colour",
description: "Need a UI colour because presentation choices remain open.",
kind: "unknown",
status: "unknown",
confidence: "low",
});
const graph = makeGraph({
centralStatement: "Value question",
nodes: [customerValue, uiColour],
edges: [],
activeUnknownNodeId: null,
resolvedNodeIds: [],
currentSummary: "Test",
});
const result = selectActiveUnknownCandidate(graph, []);
expect(result.nodeId).toBe("n-customer-value");
});
it("success criteria wins over marketing slogan", () => {
const successCriteria = makeNode({
id: "n-success-criteria",
label: "Success criteria",
description:
"Need success criteria because the decision requires a threshold.",
kind: "unknown",
status: "unknown",
confidence: "high",
});
const slogan = makeNode({
id: "n-slogan",
label: "Marketing slogan",
description: "Need a slogan because messaging is undecided.",
kind: "unknown",
status: "unknown",
confidence: "low",
});
const graph = makeGraph({
centralStatement: "Threshold question",
nodes: [successCriteria, slogan],
edges: [],
activeUnknownNodeId: null,
resolvedNodeIds: [],
currentSummary: "Test",
});
const result = selectActiveUnknownCandidate(graph, []);
expect(result.nodeId).toBe("n-success-criteria");
});
it("penalises unknowns with unresolved parent unknowns", () => {
const parentUnknown = makeNode({
id: "n-parent",
label: "Commercial value definition",
description:
"Need commercial value definition because the decision depends on it.",
kind: "unknown",
status: "unknown",
confidence: "high",
});
const childUnknown = makeNode({
id: "n-child",
label: "Target price point",
description: "Need price point because revenue assumptions depend on it.",
kind: "unknown",
status: "unknown",
confidence: "medium",
dependsOn: ["n-parent"],
});
const graph = makeGraph({
centralStatement: "Dependency ordering",
nodes: [parentUnknown, childUnknown],
edges: [],
activeUnknownNodeId: null,
resolvedNodeIds: [],
currentSummary: "Test",
});
const parentScore = scoreUnknownCandidate(graph, parentUnknown, []);
const childScore = scoreUnknownCandidate(graph, childUnknown, []);
expect(parentScore.score).toBeGreaterThan(childScore.score);
});
it("returns ambiguous for a complete unresolved tie instead of label-based winner", () => {
const unknownA = makeNode({
id: "tie-a",
label: "Magnitude and nature of cash outflows",
description: "Magnitude and nature of cash outflows.",
kind: "unknown",
status: "unknown",
confidence: "high",
});
const unknownB = makeNode({
id: "tie-b",
label:
"Whether revenue recognition timing differs from cash collection timing",
description:
"Whether revenue recognition timing differs from cash collection timing.",
kind: "unknown",
status: "unknown",
confidence: "high",
});
const graph = makeGraph({
centralStatement:
"Revenue increased by 18%, but cash in the bank fell over the same period.",
nodes: [unknownA, unknownB],
edges: [],
activeUnknownNodeId: null,
resolvedNodeIds: [],
currentSummary: "Tie case",
});
const result = selectActiveUnknownCandidate(graph, []);
expect(result).toMatchObject({
selectedNode: null,
status: "ambiguous",
tieType: "complete_unresolved_tie",
tiedCandidateIds: ["tie-a", "tie-b"],
});
expect(result.nodeId).toBeUndefined();
});
it("alphabetical renaming does not resolve a complete tie", () => {
const unknownA = makeNode({
id: "tie-a",
label: "Unknown B",
description: "Unknown factor one.",
kind: "unknown",
});
const unknownB = makeNode({
id: "tie-b",
label: "Unknown A",
description: "Unknown factor two.",
kind: "unknown",
});
const graph = makeGraph({
centralStatement: "Two conflicting signals remain unresolved.",
nodes: [unknownA, unknownB],
edges: [],
activeUnknownNodeId: null,
resolvedNodeIds: [],
currentSummary: "Tie case",
});
const result = selectActiveUnknownCandidate(graph, []);
expect(result.status).toBe("ambiguous");
expect(result.tiedCandidateIds.sort()).toEqual(["tie-a", "tie-b"]);
});
});
describe("applyGraphUpdate", () => {
it("applies node additions correctly", () => {
const graph = makeTestGraph();
const newNode = makeNode({ id: "n-new", label: "New Node" });
const update = {
addedNodes: [newNode],
updatedNodes: [],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
};
const result = applyGraphUpdate(graph, update);
expect(result.success).toBe(true);
expect(result.nodes.length).toBe(graph.nodes.length + 1);
expect(result.nodes.some((n) => n.id === "n-new")).toBe(true);
});
it("applies status updates correctly", () => {
const graph = makeTestGraph();
const update = {
addedNodes: [],
updatedNodes: [
{
nodeId: "n4",
previousStatus: "unknown",
newStatus: "resolved",
previousValue: null,
newValue: "confirmed",
reason: "Answered by user",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: ["n4"],
affectedNodeIds: [],
};
const result = applyGraphUpdate(graph, update);
expect(result.success).toBe(true);
const updatedNode = result.nodes.find((n) => n.id === "n4");
expect(updatedNode.status).toBe("resolved");
});
it("rejects update with non-existent nodeId in updatedNodes", () => {
const graph = makeTestGraph();
const update = {
addedNodes: [],
updatedNodes: [
{
nodeId: "ghost-node",
previousStatus: null,
newStatus: "known",
reason: "test",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
};
const result = applyGraphUpdate(graph, update);
expect(result.success).toBe(false);
expect(result.errors.some((e) => e.includes("ghost-node"))).toBe(true);
});
it("removes requested edges", () => {
const graph = makeTestGraph();
const edgeIdToRemove = graph.edges[0].id;
const update = {
addedNodes: [],
updatedNodes: [],
addedEdges: [],
removedEdgeIds: [edgeIdToRemove],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
};
const result = applyGraphUpdate(graph, update);
expect(result.success).toBe(true);
expect(result.edges.length).toBe(graph.edges.length - 1);
expect(result.edges.some((e) => e.id === edgeIdToRemove)).toBe(false);
});
it("adds edges and updates node dependsOn/affects", () => {
const graph = makeTestGraph();
const newEdge = makeEdge({
fromNodeId: "n1",
toNodeId: "n4",
relationship: "supports",
});
const update = {
addedNodes: [],
updatedNodes: [],
addedEdges: [newEdge],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
};
const result = applyGraphUpdate(graph, update);
expect(result.success).toBe(true);
// Check the edge was added
expect(result.edges.some((e) => e.id === newEdge.id)).toBe(true);
// Check node relationship arrays updated
const fromNode = result.nodes.find((n) => n.id === "n1");
const toNode = result.nodes.find((n) => n.id === "n4");
expect(fromNode.childIds).toContain("n4");
expect(toNode.dependsOn).toContain("n1");
});
it("accumulates resolved node IDs", () => {
const graph = makeTestGraph();
const update = {
addedNodes: [],
updatedNodes: [],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: ["n4"],
affectedNodeIds: [],
};
const result = applyGraphUpdate(graph, update);
expect(result.success).toBe(true);
expect(result.resolvedNodeIds).toContain("n4");
});
it("rejects adding duplicate node IDs", () => {
const graph = makeTestGraph();
const existingNode = graph.nodes[0]; // id: "n1"
// Use the exact same ID as an existing node to create a real duplicate
const update = {
addedNodes: [{ ...existingNode, id: "n1", label: "Dup Node" }],
updatedNodes: [],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
};
const result = applyGraphUpdate(graph, update);
expect(result.success).toBe(false);
});
it("rejects edges referencing non-existent nodes", () => {
const graph = makeTestGraph();
const update = {
addedNodes: [],
updatedNodes: [],
addedEdges: [
{
id: "e-new",
fromNodeId: "missing-node",
toNodeId: "n1",
relationship: "supports",
confidence: "medium",
description: "bad edge",
},
],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
};
const result = applyGraphUpdate(graph, update);
expect(result.success).toBe(false);
});
it("preserves nodes not mentioned in the update", () => {
const graph = makeTestGraph();
const unchangedCount = graph.nodes.length;
const update = {
addedNodes: [],
updatedNodes: [],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
};
const result = applyGraphUpdate(graph, update);
expect(result.success).toBe(true);
expect(result.nodes.length).toBe(unchangedCount);
});
it("applies multiple operations in one update", () => {
const graph = makeTestGraph();
const newNode = makeNode({ id: "n-multi", label: "Multi" });
const update = {
addedNodes: [newNode],
updatedNodes: [
{
nodeId: "n4",
previousStatus: "unknown",
newStatus: "resolved",
reason: "Multiple ops test",
},
],
addedEdges: [makeEdge({ fromNodeId: "n-multi", toNodeId: "n1" })],
removedEdgeIds: [graph.edges[0]?.id || ""],
resolvedUnknownNodeIds: ["n4"],
affectedNodeIds: [],
};
const result = applyGraphUpdate(graph, update);
expect(result.success).toBe(true);
});
});
describe("validateGraphUpdate", () => {
it("accepts a no-op update with added nodes", () => {
const graph = makeTestGraph();
const newNode = makeNode({ id: "n-new", label: "New" });
const result = validateGraphUpdate(graph, {
addedNodes: [newNode],
updatedNodes: [],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
});
expect(result.valid).toBe(true);
});
it("rejects update with no meaningful change", () => {
const graph = makeTestGraph();
const result = validateGraphUpdate(graph, {
addedNodes: [],
updatedNodes: [
{
nodeId: "n1",
previousStatus: null,
newStatus: null,
previousValue: null,
newValue: null,
reason: "No change test",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
});
expect(result.valid).toBe(false);
expect(result.errors.some((e) => e.includes("no meaningful"))).toBe(true);
});
it("rejects duplicate node IDs in additions", () => {
const graph = makeTestGraph();
const existingNode = graph.nodes[0];
const result = validateGraphUpdate(graph, {
addedNodes: [existingNode], // Duplicate ID
updatedNodes: [],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
});
expect(result.valid).toBe(false);
});
it("rejects update to non-existent node", () => {
const graph = makeTestGraph();
const result = validateGraphUpdate(graph, {
addedNodes: [],
updatedNodes: [
{
nodeId: "ghost-node",
previousStatus: null,
newStatus: "known",
reason: "test",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
});
expect(result.valid).toBe(false);
});
it("accepts valid status change as meaningful", () => {
const graph = makeTestGraph();
const result = validateGraphUpdate(graph, {
addedNodes: [],
updatedNodes: [
{
nodeId: "n4",
previousStatus: "unknown",
newStatus: "known",
reason: "Confirmed",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
});
expect(result.valid).toBe(true);
});
it("rejects oversized update (>100KB)", () => {
const graph = makeTestGraph();
const largeDescription = "x".repeat(150000);
const result = validateGraphUpdate(graph, {
addedNodes: [{ label: largeDescription }], // Will create huge JSON
updatedNodes: [],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
});
expect(result.valid).toBe(false);
expect(
result.errors.some((e) => e.includes("100KB") || e.includes("exceeds")),
).toBe(true);
});
it("returns empty errors array for valid update", () => {
const graph = makeTestGraph();
const result = validateGraphUpdate(graph, {
addedNodes: [makeNode({ id: "n-valid", label: "Valid" })],
updatedNodes: [],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
});
expect(result.valid).toBe(true);
expect(result.errors.length).toBe(0);
});
});
// ── Integration: full update lifecycle ───────────────────
describe("update lifecycle integration", () => {
it("complete update cycle: validate → apply → verify", () => {
const graph = makeTestGraph();
// Create a meaningful update
const newNode = makeNode({ id: "n-new", label: "New Discovery" });
const newEdge = makeEdge({
fromNodeId: "n1",
toNodeId: "n-new",
relationship: "supports",
});
// Validate first
const validationResult = validateGraphUpdate(graph, {
addedNodes: [newNode],
updatedNodes: [
{
nodeId: "n4",
previousStatus: "unknown",
newStatus: "resolved",
reason: "Answered via follow-up question",
},
],
addedEdges: [newEdge],
removedEdgeIds: [],
resolvedUnknownNodeIds: ["n4"],
affectedNodeIds: [],
});
expect(validationResult.valid).toBe(true);
// Apply
const applyResult = applyGraphUpdate(graph, {
addedNodes: [newNode],
updatedNodes: [
{
nodeId: "n4",
previousStatus: "unknown",
newStatus: "resolved",
reason: "Answered via follow-up question",
},
],
addedEdges: [newEdge],
removedEdgeIds: [],
resolvedUnknownNodeIds: ["n4"],
affectedNodeIds: [],
});
expect(applyResult.success).toBe(true);
expect(applyResult.nodes.length).toBe(graph.nodes.length + 1);
expect(applyResult.edges.length).toBe(graph.edges.length + 1);
expect(applyResult.resolvedNodeIds).toContain("n4");
// Verify post-apply integrity
const postValidation = validateGraphReferences(applyResult);
expect(postValidation.valid).toBe(true);
});
it("reject and retry: invalid update should be caught", () => {
const graph = makeTestGraph();
const invalidUpdate = {
addedNodes: [],
updatedNodes: [
{ nodeId: "ghost-node", newStatus: "known", reason: "test" },
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
};
// Validation should catch it
expect(validateGraphUpdate(graph, invalidUpdate).valid).toBe(false);
// Apply should also catch it
expect(applyGraphUpdate(graph, invalidUpdate).success).toBe(false);
});
it("preserve unchanged nodes during update", () => {
const graph = makeTestGraph();
const originalNode1 = JSON.parse(JSON.stringify(graph.nodes[0]));
applyGraphUpdate(graph, {
addedNodes: [],
updatedNodes: [
{
nodeId: "n4",
previousStatus: "unknown",
newStatus: "resolved",
reason: "Test preserve",
},
],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: ["n4"],
affectedNodeIds: [],
});
// Re-read the graph and check n1 wasn't modified
expect(graph.nodes[0].id).toBe("n1");
expect(graph.nodes[0].status).toBe("unknown"); // unchanged
});
});
// ── Semantic-to-mutation contract (57J.39) ──────────────
describe("semantic-to-mutation contract", () => {
const baseUpdate = {
addedNodes: [],
updatedNodes: [],
addedEdges: [],
removedEdgeIds: [],
resolvedUnknownNodeIds: [],
affectedNodeIds: [],
};
// Test 1 — semantic-only no-op
it("REJECTS with specific semantic-only structural-progress error when userSupportedMeaning populated and zero structural mutation", () => {
const graph = makeTestGraph();
const update = {
...baseUpdate,
answerMeaning: {
userSupportedMeaning: "The user states that cost reduction is a primary driver.",
possibleInference: null,
},
};
const result = validateGraphUpdate(graph, update);
expect(result.valid).toBe(false);
expect(
result.errors.some((e) => e.includes("userSupportedMeaning") && e.includes("mutation")),
).toBe(true);
// Should NOT contain only the generic no-op message without the semantic-specific variant
expect(result.errors.some((e) => e === "Update contains no meaningful change")).toBe(false);
});
// Test 2 — ordinary no-op (answerMeaning null)
it("REJECTS with existing 'no meaningful change' when answerMeaning is null and zero structural mutation", () => {
const graph = makeTestGraph();
const update = {
...baseUpdate,
answerMeaning: null,
};
const result = validateGraphUpdate(graph, update);
expect(result.valid).toBe(false);
expect(result.errors.some((e) => e.includes("no meaningful"))).toBe(true);
});
// Test 3 — possibleInference only
it("does NOT trigger the new userSupportedMeaning-specific error when only possibleInference is populated", () => {
const graph = makeTestGraph();
const update = {
...baseUpdate,
answerMeaning: {
userSupportedMeaning: null,
possibleInference: "Cost reduction could be achieved through staff consolidation.",
},
};
const result = validateGraphUpdate(graph, update);
expect(result.valid).toBe(false);
// Must NOT have the semantic-specific error (userSupportedMeaning is not populated)
expect(
result.errors.some((e) => e.includes("userSupportedMeaning") && e.includes("mutation")),
).toBe(false);
// Generic no-op still applies
expect(result.errors.some((e) => e.includes("no meaningful"))).toBe(true);
});
// Test 4 — update existing structure (valid structural progress)
it("ACCEPTS past new guard when userSupportedMeaning populated AND valid existing-node status change", () => {
const graph = makeTestGraph();
const update = {
...baseUpdate,
answerMeaning: {
userSupportedMeaning: "The user confirms risk is a hard constraint.",
possibleInference: null,
},
updatedNodes: [
{
nodeId: "n4",
previousStatus: "unknown",
newStatus: "known",
reason: "Confirmed by user answer",
},
],
};
const result = validateGraphUpdate(graph, update);
expect(result.valid).toBe(true);
expect(result.errors.length).toBe(0);
});
// Test 5 — resolve existing unknown (counts as structural progress)
it("counts as structural progress when userSupportedMeaning populated AND valid resolution of existing unknown", () => {
const graph = makeTestGraph();
const update = {
...baseUpdate,
answerMeaning: {
userSupportedMeaning: "The user provides criteria for acceptable opportunity.",
possibleInference: null,
},
updatedNodes: [
{
nodeId: "n4",
previousStatus: "unknown",
newStatus: "resolved",
reason: "Threshold defined by user",
},
],
resolvedUnknownNodeIds: ["n4"],
};
const result = validateGraphUpdate(graph, update);
expect(result.valid).toBe(true);
expect(result.errors.length).toBe(0);
});
// Test 6 — add new structure (counts as structural progress)
it("counts as structural progress when userSupportedMeaning populated AND valid added unknown", () => {
const graph = makeTestGraph();
const update = {
...baseUpdate,
answerMeaning: {
userSupportedMeaning: "The user needs evidence for both savings realism and retention impact.",
possibleInference: null,
},
addedNodes: [makeNode({ id: "n-new-unknown", label: "New unknown" })],
};
const result = validateGraphUpdate(graph, update);
expect(result.valid).toBe(true);
expect(result.errors.length).toBe(0);
});
// Test 7 — duplicate avoidance preserved
it("still rejects duplicate node IDs even with populated userSupportedMeaning", () => {
const graph = makeTestGraph();
const existingNode = graph.nodes[0];
const update = {
...baseUpdate,
answerMeaning: {
userSupportedMeaning: "There is a new constraint the user identified.",
possibleInference: null,
},
addedNodes: [existingNode], // Duplicate ID — should still be rejected
};
const result = validateGraphUpdate(graph, update);
expect(result.valid).toBe(false);
expect(result.errors.some((e) => e.includes("duplicate ID"))).toBe(true);
});
// Test 8 — userSupportedMeaning with meaningful value change (no status change)
it("counts as structural progress when userSupportedMeaning populated AND valid existing-node value change", () => {
const graph = makeTestGraph();
const update = {
...baseUpdate,
answerMeaning: {
userSupportedMeaning: "The user clarified the constraint is absolute.",
possibleInference: null,
},
updatedNodes: [
{
nodeId: "n4",
previousStatus: null,
newStatus: null,
previousValue: null,
newValue: "absolute_constraint",
reason: "Clarified by user answer",
},
],
};
const result = validateGraphUpdate(graph, update);
expect(result.valid).toBe(true);
expect(result.errors.length).toBe(0);
});
});