Files
sim/apps/sim/executor/execution/edge-manager.test.ts
2026-01-26 17:25:09 -08:00

2421 lines
87 KiB
TypeScript

import { loggerMock } from '@sim/testing'
import { describe, expect, it, vi } from 'vitest'
import type { DAG, DAGNode } from '@/executor/dag/builder'
import type { DAGEdge } from '@/executor/dag/types'
import type { SerializedBlock } from '@/serializer/types'
import { EdgeManager } from './edge-manager'
vi.mock('@sim/logger', () => loggerMock)
function createMockBlock(id: string): SerializedBlock {
return {
id,
metadata: { id: 'test', name: 'Test Block' },
position: { x: 0, y: 0 },
config: { tool: '', params: {} },
inputs: {},
outputs: {},
enabled: true,
}
}
function createMockNode(
id: string,
outgoingEdges: DAGEdge[] = [],
incomingEdges: string[] = []
): DAGNode {
const outEdgesMap = new Map<string, DAGEdge>()
outgoingEdges.forEach((edge, i) => {
outEdgesMap.set(`edge-${i}`, edge)
})
return {
id,
block: createMockBlock(id),
outgoingEdges: outEdgesMap,
incomingEdges: new Set(incomingEdges),
metadata: {},
}
}
function createMockDAG(nodes: Map<string, DAGNode>): DAG {
return {
nodes,
loopConfigs: new Map(),
parallelConfigs: new Map(),
}
}
describe('EdgeManager', () => {
describe('Happy path - basic workflows', () => {
it('should handle simple linear flow (A → B → C)', () => {
const blockAId = 'block-a'
const blockBId = 'block-b'
const blockCId = 'block-c'
const blockANode = createMockNode(blockAId, [{ target: blockBId }])
const blockBNode = createMockNode(blockBId, [{ target: blockCId }], [blockAId])
const blockCNode = createMockNode(blockCId, [], [blockBId])
const nodes = new Map<string, DAGNode>([
[blockAId, blockANode],
[blockBId, blockBNode],
[blockCId, blockCNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const readyAfterA = edgeManager.processOutgoingEdges(blockANode, { result: 'done' })
expect(readyAfterA).toContain(blockBId)
expect(readyAfterA).not.toContain(blockCId)
const readyAfterB = edgeManager.processOutgoingEdges(blockBNode, { result: 'done' })
expect(readyAfterB).toContain(blockCId)
})
it('should handle branching and each branch executing independently', () => {
const startId = 'start'
const branch1Id = 'branch-1'
const branch2Id = 'branch-2'
const startNode = createMockNode(startId, [
{ target: branch1Id, sourceHandle: 'condition-opt1' },
{ target: branch2Id, sourceHandle: 'condition-opt2' },
])
const branch1Node = createMockNode(branch1Id, [], [startId])
const branch2Node = createMockNode(branch2Id, [], [startId])
const nodes = new Map<string, DAGNode>([
[startId, startNode],
[branch1Id, branch1Node],
[branch2Id, branch2Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const readyNodes = edgeManager.processOutgoingEdges(startNode, { selectedOption: 'opt1' })
expect(readyNodes).toContain(branch1Id)
expect(readyNodes).not.toContain(branch2Id)
})
it('should process standard block output with result', () => {
const sourceId = 'source'
const targetId = 'target'
const sourceNode = createMockNode(sourceId, [{ target: targetId }])
const targetNode = createMockNode(targetId, [], [sourceId])
const nodes = new Map<string, DAGNode>([
[sourceId, sourceNode],
[targetId, targetNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = {
result: { data: 'test' },
content: 'Hello world',
tokens: { input: 10, output: 20, total: 30 },
}
const readyNodes = edgeManager.processOutgoingEdges(sourceNode, output)
expect(readyNodes).toContain(targetId)
})
it('should handle multiple sequential blocks completing in order', () => {
const block1Id = 'block-1'
const block2Id = 'block-2'
const block3Id = 'block-3'
const block4Id = 'block-4'
const block1Node = createMockNode(block1Id, [{ target: block2Id }])
const block2Node = createMockNode(block2Id, [{ target: block3Id }], [block1Id])
const block3Node = createMockNode(block3Id, [{ target: block4Id }], [block2Id])
const block4Node = createMockNode(block4Id, [], [block3Id])
const nodes = new Map<string, DAGNode>([
[block1Id, block1Node],
[block2Id, block2Node],
[block3Id, block3Node],
[block4Id, block4Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
let ready = edgeManager.processOutgoingEdges(block1Node, {})
expect(ready).toEqual([block2Id])
ready = edgeManager.processOutgoingEdges(block2Node, {})
expect(ready).toEqual([block3Id])
ready = edgeManager.processOutgoingEdges(block3Node, {})
expect(ready).toEqual([block4Id])
ready = edgeManager.processOutgoingEdges(block4Node, {})
expect(ready).toEqual([])
})
})
describe('Multiple condition edges to same target', () => {
it('should not cascade-deactivate when multiple edges from same source go to same target', () => {
const conditionId = 'condition-1'
const function1Id = 'function-1'
const function2Id = 'function-2'
const conditionNode = createMockNode(conditionId, [
{ target: function1Id, sourceHandle: 'condition-if' },
{ target: function1Id, sourceHandle: 'condition-else' },
])
const function1Node = createMockNode(function1Id, [{ target: function2Id }], [conditionId])
const function2Node = createMockNode(function2Id, [], [function1Id])
const nodes = new Map<string, DAGNode>([
[conditionId, conditionNode],
[function1Id, function1Node],
[function2Id, function2Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { selectedOption: 'if' }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(function1Id)
expect(function1Node.incomingEdges.size).toBe(0)
})
it('should handle "else if" selected when "if" points to same target', () => {
const conditionId = 'condition-1'
const function1Id = 'function-1'
const conditionNode = createMockNode(conditionId, [
{ target: function1Id, sourceHandle: 'condition-if-id' },
{ target: function1Id, sourceHandle: 'condition-elseif-id' },
])
const function1Node = createMockNode(function1Id, [], [conditionId])
const nodes = new Map<string, DAGNode>([
[conditionId, conditionNode],
[function1Id, function1Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { selectedOption: 'elseif-id' }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(function1Id)
})
it('should handle condition with if→A, elseif→B, else→A pattern', () => {
const conditionId = 'condition-1'
const function1Id = 'function-1'
const function2Id = 'function-2'
const conditionNode = createMockNode(conditionId, [
{ target: function1Id, sourceHandle: 'condition-if' },
{ target: function2Id, sourceHandle: 'condition-elseif' },
{ target: function1Id, sourceHandle: 'condition-else' },
])
const function1Node = createMockNode(function1Id, [], [conditionId])
const function2Node = createMockNode(function2Id, [], [conditionId])
const nodes = new Map<string, DAGNode>([
[conditionId, conditionNode],
[function1Id, function1Node],
[function2Id, function2Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { selectedOption: 'if' }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(function1Id)
expect(readyNodes).not.toContain(function2Id)
})
it('should activate correct target when elseif is selected (iteration 2)', () => {
const conditionId = 'condition-1'
const function1Id = 'function-1'
const function2Id = 'function-2'
const conditionNode = createMockNode(conditionId, [
{ target: function1Id, sourceHandle: 'condition-if' },
{ target: function2Id, sourceHandle: 'condition-elseif' },
{ target: function1Id, sourceHandle: 'condition-else' },
])
const function1Node = createMockNode(function1Id, [], [conditionId])
const function2Node = createMockNode(function2Id, [], [conditionId])
const nodes = new Map<string, DAGNode>([
[conditionId, conditionNode],
[function1Id, function1Node],
[function2Id, function2Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { selectedOption: 'elseif' }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(function2Id)
expect(readyNodes).not.toContain(function1Id)
})
it('should activate Function1 when else is selected (iteration 3+)', () => {
const conditionId = 'condition-1'
const function1Id = 'function-1'
const function2Id = 'function-2'
const conditionNode = createMockNode(conditionId, [
{ target: function1Id, sourceHandle: 'condition-if' },
{ target: function2Id, sourceHandle: 'condition-elseif' },
{ target: function1Id, sourceHandle: 'condition-else' },
])
const function1Node = createMockNode(function1Id, [], [conditionId])
const function2Node = createMockNode(function2Id, [], [conditionId])
const nodes = new Map<string, DAGNode>([
[conditionId, conditionNode],
[function1Id, function1Node],
[function2Id, function2Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { selectedOption: 'else' }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(function1Id)
expect(readyNodes).not.toContain(function2Id)
})
})
describe('Cascade deactivation', () => {
it('should cascade-deactivate descendants when ALL edges to target are deactivated', () => {
const conditionId = 'condition-1'
const function1Id = 'function-1'
const function2Id = 'function-2'
const conditionNode = createMockNode(conditionId, [
{ target: function1Id, sourceHandle: 'condition-if' },
])
const function1Node = createMockNode(function1Id, [{ target: function2Id }], [conditionId])
const function2Node = createMockNode(function2Id, [], [function1Id])
const nodes = new Map<string, DAGNode>([
[conditionId, conditionNode],
[function1Id, function1Node],
[function2Id, function2Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { selectedOption: 'else' }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).not.toContain(function1Id)
})
})
describe('Exact workflow reproduction: modern-atoll', () => {
const conditionId = '63353190-ed15-427b-af6b-c0967ba06010'
const function1Id = '576cc8a3-c3f3-40f5-a515-8320462b8162'
const function2Id = 'b96067c5-0c5c-4a91-92bd-299e8c4ab42d'
const ifConditionId = '63353190-ed15-427b-af6b-c0967ba06010-if'
const elseIfConditionId = '63353190-ed15-427b-af6b-c0967ba06010-else-if-1766204485970'
const elseConditionId = '63353190-ed15-427b-af6b-c0967ba06010-else'
function setupWorkflow() {
const conditionNode = createMockNode(conditionId, [
{ target: function1Id, sourceHandle: `condition-${ifConditionId}` },
{ target: function2Id, sourceHandle: `condition-${elseIfConditionId}` },
{ target: function1Id, sourceHandle: `condition-${elseConditionId}` },
])
const function1Node = createMockNode(function1Id, [], [conditionId])
const function2Node = createMockNode(function2Id, [], [conditionId])
const nodes = new Map<string, DAGNode>([
[conditionId, conditionNode],
[function1Id, function1Node],
[function2Id, function2Node],
])
return createMockDAG(nodes)
}
it('iteration 1: if selected (loop.index == 1) should activate Function 1', () => {
const dag = setupWorkflow()
const edgeManager = new EdgeManager(dag)
const conditionNode = dag.nodes.get(conditionId)!
const output = { selectedOption: ifConditionId }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(function1Id)
expect(readyNodes).not.toContain(function2Id)
})
it('iteration 2: else if selected (loop.index == 2) should activate Function 2', () => {
const dag = setupWorkflow()
const edgeManager = new EdgeManager(dag)
const conditionNode = dag.nodes.get(conditionId)!
const output = { selectedOption: elseIfConditionId }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(function2Id)
expect(readyNodes).not.toContain(function1Id)
})
it('iteration 3+: else selected (loop.index > 2) should activate Function 1', () => {
const dag = setupWorkflow()
const edgeManager = new EdgeManager(dag)
const conditionNode = dag.nodes.get(conditionId)!
const output = { selectedOption: elseConditionId }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(function1Id)
expect(readyNodes).not.toContain(function2Id)
})
it('should handle multiple iterations correctly (simulating loop)', () => {
const dag = setupWorkflow()
const edgeManager = new EdgeManager(dag)
const conditionNode = dag.nodes.get(conditionId)!
// Iteration 1: if selected
{
dag.nodes.get(function1Id)!.incomingEdges = new Set([conditionId])
dag.nodes.get(function2Id)!.incomingEdges = new Set([conditionId])
edgeManager.clearDeactivatedEdges()
const output = { selectedOption: ifConditionId }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(function1Id)
expect(readyNodes).not.toContain(function2Id)
}
// Iteration 2: else if selected
{
dag.nodes.get(function1Id)!.incomingEdges = new Set([conditionId])
dag.nodes.get(function2Id)!.incomingEdges = new Set([conditionId])
edgeManager.clearDeactivatedEdges()
const output = { selectedOption: elseIfConditionId }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(function2Id)
expect(readyNodes).not.toContain(function1Id)
}
// Iteration 3: else selected
{
dag.nodes.get(function1Id)!.incomingEdges = new Set([conditionId])
dag.nodes.get(function2Id)!.incomingEdges = new Set([conditionId])
edgeManager.clearDeactivatedEdges()
const output = { selectedOption: elseConditionId }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(function1Id)
expect(readyNodes).not.toContain(function2Id)
}
})
})
describe('Error/Success edge handling', () => {
it('should activate error edge when output has error', () => {
const sourceId = 'source-1'
const successTargetId = 'success-target'
const errorTargetId = 'error-target'
const sourceNode = createMockNode(sourceId, [
{ target: successTargetId, sourceHandle: 'source' },
{ target: errorTargetId, sourceHandle: 'error' },
])
const successNode = createMockNode(successTargetId, [], [sourceId])
const errorNode = createMockNode(errorTargetId, [], [sourceId])
const nodes = new Map<string, DAGNode>([
[sourceId, sourceNode],
[successTargetId, successNode],
[errorTargetId, errorNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { error: 'Something went wrong' }
const readyNodes = edgeManager.processOutgoingEdges(sourceNode, output)
expect(readyNodes).toContain(errorTargetId)
expect(readyNodes).not.toContain(successTargetId)
})
it('should activate source edge when no error', () => {
const sourceId = 'source-1'
const successTargetId = 'success-target'
const errorTargetId = 'error-target'
const sourceNode = createMockNode(sourceId, [
{ target: successTargetId, sourceHandle: 'source' },
{ target: errorTargetId, sourceHandle: 'error' },
])
const successNode = createMockNode(successTargetId, [], [sourceId])
const errorNode = createMockNode(errorTargetId, [], [sourceId])
const nodes = new Map<string, DAGNode>([
[sourceId, sourceNode],
[successTargetId, successNode],
[errorTargetId, errorNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { result: 'success' }
const readyNodes = edgeManager.processOutgoingEdges(sourceNode, output)
expect(readyNodes).toContain(successTargetId)
expect(readyNodes).not.toContain(errorTargetId)
})
})
describe('Router edge handling', () => {
it('should activate only the selected route', () => {
const routerId = 'router-1'
const route1Id = 'route-1'
const route2Id = 'route-2'
const route3Id = 'route-3'
const routerNode = createMockNode(routerId, [
{ target: route1Id, sourceHandle: 'router-route1' },
{ target: route2Id, sourceHandle: 'router-route2' },
{ target: route3Id, sourceHandle: 'router-route3' },
])
const route1Node = createMockNode(route1Id, [], [routerId])
const route2Node = createMockNode(route2Id, [], [routerId])
const route3Node = createMockNode(route3Id, [], [routerId])
const nodes = new Map<string, DAGNode>([
[routerId, routerNode],
[route1Id, route1Node],
[route2Id, route2Node],
[route3Id, route3Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { selectedRoute: 'route2' }
const readyNodes = edgeManager.processOutgoingEdges(routerNode, output)
expect(readyNodes).toContain(route2Id)
expect(readyNodes).not.toContain(route1Id)
expect(readyNodes).not.toContain(route3Id)
})
})
describe('Node with multiple incoming sources', () => {
it('should wait for all incoming edges before becoming ready', () => {
const source1Id = 'source-1'
const source2Id = 'source-2'
const targetId = 'target'
const source1Node = createMockNode(source1Id, [{ target: targetId }])
const source2Node = createMockNode(source2Id, [{ target: targetId }])
const targetNode = createMockNode(targetId, [], [source1Id, source2Id])
const nodes = new Map<string, DAGNode>([
[source1Id, source1Node],
[source2Id, source2Node],
[targetId, targetNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const readyAfterFirst = edgeManager.processOutgoingEdges(source1Node, {})
expect(readyAfterFirst).not.toContain(targetId)
const readyAfterSecond = edgeManager.processOutgoingEdges(source2Node, {})
expect(readyAfterSecond).toContain(targetId)
})
})
describe('clearDeactivatedEdgesForNodes', () => {
it('should clear deactivated edges for specified nodes', () => {
const conditionId = 'condition-1'
const function1Id = 'function-1'
const conditionNode = createMockNode(conditionId, [
{ target: function1Id, sourceHandle: 'condition-if' },
])
const function1Node = createMockNode(function1Id, [], [conditionId])
const nodes = new Map<string, DAGNode>([
[conditionId, conditionNode],
[function1Id, function1Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'nonexistent' })
edgeManager.clearDeactivatedEdgesForNodes(new Set([conditionId]))
function1Node.incomingEdges.add(conditionId)
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'if' })
expect(readyNodes).toContain(function1Id)
})
})
describe('restoreIncomingEdge', () => {
it('should restore an incoming edge to a target node', () => {
const sourceId = 'source-1'
const targetId = 'target-1'
const sourceNode = createMockNode(sourceId, [{ target: targetId }])
const targetNode = createMockNode(targetId, [], [])
const nodes = new Map<string, DAGNode>([
[sourceId, sourceNode],
[targetId, targetNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
expect(targetNode.incomingEdges.has(sourceId)).toBe(false)
edgeManager.restoreIncomingEdge(targetId, sourceId)
expect(targetNode.incomingEdges.has(sourceId)).toBe(true)
})
})
describe('Diamond pattern (convergent paths)', () => {
it('should handle diamond: condition splits then converges at merge point', () => {
const conditionId = 'condition-1'
const branchAId = 'branch-a'
const branchBId = 'branch-b'
const mergeId = 'merge-point'
const conditionNode = createMockNode(conditionId, [
{ target: branchAId, sourceHandle: 'condition-if' },
{ target: branchBId, sourceHandle: 'condition-else' },
])
const branchANode = createMockNode(branchAId, [{ target: mergeId }], [conditionId])
const branchBNode = createMockNode(branchBId, [{ target: mergeId }], [conditionId])
const mergeNode = createMockNode(mergeId, [], [branchAId, branchBId])
const nodes = new Map<string, DAGNode>([
[conditionId, conditionNode],
[branchAId, branchANode],
[branchBId, branchBNode],
[mergeId, mergeNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { selectedOption: 'if' }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(branchAId)
expect(readyNodes).not.toContain(branchBId)
const mergeReady = edgeManager.processOutgoingEdges(branchANode, {})
expect(mergeReady).toContain(mergeId)
})
it('should wait for both branches when both are active (parallel merge)', () => {
const source1Id = 'source-1'
const source2Id = 'source-2'
const mergeId = 'merge-point'
const source1Node = createMockNode(source1Id, [{ target: mergeId }])
const source2Node = createMockNode(source2Id, [{ target: mergeId }])
const mergeNode = createMockNode(mergeId, [], [source1Id, source2Id])
const nodes = new Map<string, DAGNode>([
[source1Id, source1Node],
[source2Id, source2Node],
[mergeId, mergeNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const readyAfterFirst = edgeManager.processOutgoingEdges(source1Node, {})
expect(readyAfterFirst).not.toContain(mergeId)
const readyAfterSecond = edgeManager.processOutgoingEdges(source2Node, {})
expect(readyAfterSecond).toContain(mergeId)
})
})
describe('Error edge cascading', () => {
it('should cascade-deactivate success path when error occurs', () => {
const sourceId = 'source'
const successId = 'success-handler'
const errorId = 'error-handler'
const afterSuccessId = 'after-success'
const sourceNode = createMockNode(sourceId, [
{ target: successId, sourceHandle: 'source' },
{ target: errorId, sourceHandle: 'error' },
])
const successNode = createMockNode(successId, [{ target: afterSuccessId }], [sourceId])
const errorNode = createMockNode(errorId, [], [sourceId])
const afterSuccessNode = createMockNode(afterSuccessId, [], [successId])
const nodes = new Map<string, DAGNode>([
[sourceId, sourceNode],
[successId, successNode],
[errorId, errorNode],
[afterSuccessId, afterSuccessNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { error: 'Something failed' }
const readyNodes = edgeManager.processOutgoingEdges(sourceNode, output)
expect(readyNodes).toContain(errorId)
expect(readyNodes).not.toContain(successId)
})
it('should cascade-deactivate error path when success occurs', () => {
const sourceId = 'source'
const successId = 'success-handler'
const errorId = 'error-handler'
const afterErrorId = 'after-error'
const sourceNode = createMockNode(sourceId, [
{ target: successId, sourceHandle: 'source' },
{ target: errorId, sourceHandle: 'error' },
])
const successNode = createMockNode(successId, [], [sourceId])
const errorNode = createMockNode(errorId, [{ target: afterErrorId }], [sourceId])
const afterErrorNode = createMockNode(afterErrorId, [], [errorId])
const nodes = new Map<string, DAGNode>([
[sourceId, sourceNode],
[successId, successNode],
[errorId, errorNode],
[afterErrorId, afterErrorNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { result: 'success' }
const readyNodes = edgeManager.processOutgoingEdges(sourceNode, output)
expect(readyNodes).toContain(successId)
expect(readyNodes).not.toContain(errorId)
})
it('should handle error edge to same target as success edge', () => {
const sourceId = 'source'
const handlerId = 'handler'
const sourceNode = createMockNode(sourceId, [
{ target: handlerId, sourceHandle: 'source' },
{ target: handlerId, sourceHandle: 'error' },
])
const handlerNode = createMockNode(handlerId, [], [sourceId])
const nodes = new Map<string, DAGNode>([
[sourceId, sourceNode],
[handlerId, handlerNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const errorOutput = { error: 'Failed' }
const readyWithError = edgeManager.processOutgoingEdges(sourceNode, errorOutput)
expect(readyWithError).toContain(handlerId)
})
})
describe('Multiple error ports to same target', () => {
it('should mark target ready when one source errors and another succeeds', () => {
// This tests the case where a node has multiple incoming error edges
// from different sources. When one source errors (activating its error edge)
// and another source succeeds (deactivating its error edge), the target
// should become ready after both sources complete.
//
// Workflow 1 (errors) ─── error ───┐
// ├──→ Error Handler
// Workflow 7 (succeeds) ─ error ───┘
const workflow1Id = 'workflow-1'
const workflow7Id = 'workflow-7'
const errorHandlerId = 'error-handler'
const workflow1Node = createMockNode(workflow1Id, [
{ target: errorHandlerId, sourceHandle: 'error' },
])
const workflow7Node = createMockNode(workflow7Id, [
{ target: errorHandlerId, sourceHandle: 'error' },
])
const errorHandlerNode = createMockNode(errorHandlerId, [], [workflow1Id, workflow7Id])
const nodes = new Map<string, DAGNode>([
[workflow1Id, workflow1Node],
[workflow7Id, workflow7Node],
[errorHandlerId, errorHandlerNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Workflow 1 errors first - error edge activates
const readyAfterWorkflow1 = edgeManager.processOutgoingEdges(workflow1Node, {
error: 'Something went wrong',
})
// Error handler should NOT be ready yet (waiting for workflow 7)
expect(readyAfterWorkflow1).not.toContain(errorHandlerId)
// Workflow 7 succeeds - error edge deactivates
const readyAfterWorkflow7 = edgeManager.processOutgoingEdges(workflow7Node, {
result: 'success',
})
// Error handler SHOULD be ready now (workflow 1's error edge activated)
expect(readyAfterWorkflow7).toContain(errorHandlerId)
})
it('should mark target ready when first source succeeds then second errors', () => {
// Opposite order: first source succeeds, then second errors
const workflow1Id = 'workflow-1'
const workflow7Id = 'workflow-7'
const errorHandlerId = 'error-handler'
const workflow1Node = createMockNode(workflow1Id, [
{ target: errorHandlerId, sourceHandle: 'error' },
])
const workflow7Node = createMockNode(workflow7Id, [
{ target: errorHandlerId, sourceHandle: 'error' },
])
const errorHandlerNode = createMockNode(errorHandlerId, [], [workflow1Id, workflow7Id])
const nodes = new Map<string, DAGNode>([
[workflow1Id, workflow1Node],
[workflow7Id, workflow7Node],
[errorHandlerId, errorHandlerNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Workflow 1 succeeds first - error edge deactivates
const readyAfterWorkflow1 = edgeManager.processOutgoingEdges(workflow1Node, {
result: 'success',
})
// Error handler should NOT be ready yet (waiting for workflow 7)
expect(readyAfterWorkflow1).not.toContain(errorHandlerId)
// Workflow 7 errors - error edge activates
const readyAfterWorkflow7 = edgeManager.processOutgoingEdges(workflow7Node, {
error: 'Something went wrong',
})
// Error handler SHOULD be ready now (workflow 7's error edge activated)
expect(readyAfterWorkflow7).toContain(errorHandlerId)
})
it('should NOT mark target ready when all sources succeed (no errors)', () => {
// When neither source errors, the error handler should NOT run
const workflow1Id = 'workflow-1'
const workflow7Id = 'workflow-7'
const errorHandlerId = 'error-handler'
const workflow1Node = createMockNode(workflow1Id, [
{ target: errorHandlerId, sourceHandle: 'error' },
])
const workflow7Node = createMockNode(workflow7Id, [
{ target: errorHandlerId, sourceHandle: 'error' },
])
const errorHandlerNode = createMockNode(errorHandlerId, [], [workflow1Id, workflow7Id])
const nodes = new Map<string, DAGNode>([
[workflow1Id, workflow1Node],
[workflow7Id, workflow7Node],
[errorHandlerId, errorHandlerNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Both workflows succeed - both error edges deactivate
const readyAfterWorkflow1 = edgeManager.processOutgoingEdges(workflow1Node, {
result: 'success',
})
expect(readyAfterWorkflow1).not.toContain(errorHandlerId)
const readyAfterWorkflow7 = edgeManager.processOutgoingEdges(workflow7Node, {
result: 'success',
})
// Error handler should NOT be ready (no errors occurred)
expect(readyAfterWorkflow7).not.toContain(errorHandlerId)
})
it('should mark target ready when both sources error', () => {
// When both sources error, the error handler should run
const workflow1Id = 'workflow-1'
const workflow7Id = 'workflow-7'
const errorHandlerId = 'error-handler'
const workflow1Node = createMockNode(workflow1Id, [
{ target: errorHandlerId, sourceHandle: 'error' },
])
const workflow7Node = createMockNode(workflow7Id, [
{ target: errorHandlerId, sourceHandle: 'error' },
])
const errorHandlerNode = createMockNode(errorHandlerId, [], [workflow1Id, workflow7Id])
const nodes = new Map<string, DAGNode>([
[workflow1Id, workflow1Node],
[workflow7Id, workflow7Node],
[errorHandlerId, errorHandlerNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Workflow 1 errors
const readyAfterWorkflow1 = edgeManager.processOutgoingEdges(workflow1Node, {
error: 'Error 1',
})
expect(readyAfterWorkflow1).not.toContain(errorHandlerId)
// Workflow 7 errors
const readyAfterWorkflow7 = edgeManager.processOutgoingEdges(workflow7Node, {
error: 'Error 2',
})
// Error handler SHOULD be ready (both edges activated)
expect(readyAfterWorkflow7).toContain(errorHandlerId)
})
})
describe('Chained conditions', () => {
it('should handle sequential conditions (condition1 → condition2)', () => {
const condition1Id = 'condition-1'
const condition2Id = 'condition-2'
const target1Id = 'target-1'
const target2Id = 'target-2'
const condition1Node = createMockNode(condition1Id, [
{ target: condition2Id, sourceHandle: 'condition-if' },
{ target: target1Id, sourceHandle: 'condition-else' },
])
const condition2Node = createMockNode(
condition2Id,
[
{ target: target2Id, sourceHandle: 'condition-if' },
{ target: target1Id, sourceHandle: 'condition-else' },
],
[condition1Id]
)
const target1Node = createMockNode(target1Id, [], [condition1Id, condition2Id])
const target2Node = createMockNode(target2Id, [], [condition2Id])
const nodes = new Map<string, DAGNode>([
[condition1Id, condition1Node],
[condition2Id, condition2Node],
[target1Id, target1Node],
[target2Id, target2Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const ready1 = edgeManager.processOutgoingEdges(condition1Node, { selectedOption: 'if' })
expect(ready1).toContain(condition2Id)
expect(ready1).not.toContain(target1Id)
const ready2 = edgeManager.processOutgoingEdges(condition2Node, { selectedOption: 'else' })
expect(ready2).toContain(target1Id)
expect(ready2).not.toContain(target2Id)
})
})
describe('Loop edge handling', () => {
it('should skip backwards edge when skipBackwardsEdge is true', () => {
const loopStartId = 'loop-start'
const loopBodyId = 'loop-body'
const loopStartNode = createMockNode(loopStartId, [
{ target: loopBodyId, sourceHandle: 'loop-start-source' },
])
const loopBodyNode = createMockNode(
loopBodyId,
[{ target: loopStartId, sourceHandle: 'loop_continue' }],
[loopStartId]
)
const nodes = new Map<string, DAGNode>([
[loopStartId, loopStartNode],
[loopBodyId, loopBodyNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const readyNodes = edgeManager.processOutgoingEdges(loopBodyNode, {}, true)
expect(readyNodes).not.toContain(loopStartId)
})
it('should include backwards edge when skipBackwardsEdge is false', () => {
const loopStartId = 'loop-start'
const loopBodyId = 'loop-body'
const loopBodyNode = createMockNode(loopBodyId, [
{ target: loopStartId, sourceHandle: 'loop_continue' },
])
const loopStartNode = createMockNode(loopStartId, [], [loopBodyId])
const nodes = new Map<string, DAGNode>([
[loopStartId, loopStartNode],
[loopBodyId, loopBodyNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Process without skipping backwards edges
const readyNodes = edgeManager.processOutgoingEdges(loopBodyNode, {}, false)
// Loop start should be activated
expect(readyNodes).toContain(loopStartId)
})
it('should handle loop-exit vs loop-continue based on selectedRoute', () => {
const loopCheckId = 'loop-check'
const loopBodyId = 'loop-body'
const afterLoopId = 'after-loop'
const loopCheckNode = createMockNode(loopCheckId, [
{ target: loopBodyId, sourceHandle: 'loop_continue' },
{ target: afterLoopId, sourceHandle: 'loop_exit' },
])
const loopBodyNode = createMockNode(loopBodyId, [], [loopCheckId])
const afterLoopNode = createMockNode(afterLoopId, [], [loopCheckId])
const nodes = new Map<string, DAGNode>([
[loopCheckId, loopCheckNode],
[loopBodyId, loopBodyNode],
[afterLoopId, afterLoopNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const exitOutput = { selectedRoute: 'loop_exit' }
const exitReady = edgeManager.processOutgoingEdges(loopCheckNode, exitOutput)
expect(exitReady).toContain(afterLoopId)
expect(exitReady).not.toContain(loopBodyId)
})
})
describe('Complex routing patterns', () => {
it('should handle 3+ conditions pointing to same target', () => {
const conditionId = 'condition-1'
const targetId = 'target'
const altTargetId = 'alt-target'
const conditionNode = createMockNode(conditionId, [
{ target: targetId, sourceHandle: 'condition-cond1' },
{ target: targetId, sourceHandle: 'condition-cond2' },
{ target: targetId, sourceHandle: 'condition-cond3' },
{ target: altTargetId, sourceHandle: 'condition-else' },
])
const targetNode = createMockNode(targetId, [], [conditionId])
const altTargetNode = createMockNode(altTargetId, [], [conditionId])
const nodes = new Map<string, DAGNode>([
[conditionId, conditionNode],
[targetId, targetNode],
[altTargetId, altTargetNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { selectedOption: 'cond2' }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).toContain(targetId)
expect(readyNodes).not.toContain(altTargetId)
})
it('should handle no matching condition (all edges deactivated)', () => {
const conditionId = 'condition-1'
const target1Id = 'target-1'
const target2Id = 'target-2'
const conditionNode = createMockNode(conditionId, [
{ target: target1Id, sourceHandle: 'condition-cond1' },
{ target: target2Id, sourceHandle: 'condition-cond2' },
])
const target1Node = createMockNode(target1Id, [], [conditionId])
const target2Node = createMockNode(target2Id, [], [conditionId])
const nodes = new Map<string, DAGNode>([
[conditionId, conditionNode],
[target1Id, target1Node],
[target2Id, target2Node],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const output = { selectedOption: 'nonexistent' }
const readyNodes = edgeManager.processOutgoingEdges(conditionNode, output)
expect(readyNodes).not.toContain(target1Id)
expect(readyNodes).not.toContain(target2Id)
expect(readyNodes).toHaveLength(0)
})
})
describe('Condition inside loop - loop control edges should not be cascade-deactivated', () => {
it('should not cascade-deactivate loop_continue edge when condition selects else path', () => {
// This test reproduces the bug where a condition inside a loop would cause
// the loop to exit when the "else" branch was selected, because the cascade
// deactivation would incorrectly deactivate the loop_continue edge.
//
// Workflow:
// sentinel_start → condition → (if) → nodeA → sentinel_end
// → (else) → nodeB → sentinel_end
// sentinel_end → (loop_continue) → sentinel_start
// → (loop_exit) → after_loop
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const afterLoopId = 'after-loop'
const sentinelStartNode = createMockNode(sentinelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeBId, sourceHandle: 'condition-else' },
],
[sentinelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: sentinelEndId }], [conditionId])
const nodeBNode = createMockNode(nodeBId, [{ target: sentinelEndId }], [conditionId])
const sentinelEndNode = createMockNode(
sentinelEndId,
[
{ target: sentinelStartId, sourceHandle: 'loop_continue' },
{ target: afterLoopId, sourceHandle: 'loop_exit' },
],
[nodeAId, nodeBId]
)
const afterLoopNode = createMockNode(afterLoopId, [], [sentinelEndId])
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[sentinelEndId, sentinelEndNode],
[afterLoopId, afterLoopNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const readyAfterCondition = edgeManager.processOutgoingEdges(conditionNode, {
selectedOption: 'else',
})
expect(readyAfterCondition).toContain(nodeBId)
expect(readyAfterCondition).not.toContain(nodeAId)
const readyAfterNodeB = edgeManager.processOutgoingEdges(nodeBNode, {})
expect(readyAfterNodeB).toContain(sentinelEndId)
const readyAfterSentinel = edgeManager.processOutgoingEdges(sentinelEndNode, {
selectedRoute: 'loop_continue',
})
expect(readyAfterSentinel).toContain(sentinelStartId)
expect(readyAfterSentinel).not.toContain(afterLoopId)
})
it('should not cascade-deactivate parallel_exit edge through condition deactivation', () => {
const parallelStartId = 'parallel-start'
const parallelEndId = 'parallel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const afterParallelId = 'after-parallel'
const parallelStartNode = createMockNode(parallelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeBId, sourceHandle: 'condition-else' },
],
[parallelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: parallelEndId }], [conditionId])
const nodeBNode = createMockNode(nodeBId, [{ target: parallelEndId }], [conditionId])
const parallelEndNode = createMockNode(
parallelEndId,
[{ target: afterParallelId, sourceHandle: 'parallel_exit' }],
[nodeAId, nodeBId]
)
const afterParallelNode = createMockNode(afterParallelId, [], [parallelEndId])
const nodes = new Map<string, DAGNode>([
[parallelStartId, parallelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[parallelEndId, parallelEndNode],
[afterParallelId, afterParallelNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'else' })
const readyAfterNodeB = edgeManager.processOutgoingEdges(nodeBNode, {})
expect(readyAfterNodeB).toContain(parallelEndId)
const readyAfterParallelEnd = edgeManager.processOutgoingEdges(parallelEndNode, {
selectedRoute: 'parallel_exit',
})
expect(readyAfterParallelEnd).toContain(afterParallelId)
})
it('should handle condition with null selectedOption inside loop (dead-end branch)', () => {
// When a condition selects a branch with no outgoing connection (dead-end),
// selectedOption is null - cascade deactivation should make sentinel_end ready
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const afterLoopId = 'after-loop'
const sentinelStartNode = createMockNode(sentinelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[{ target: nodeAId, sourceHandle: 'condition-if' }],
[sentinelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: sentinelEndId }], [conditionId])
const sentinelEndNode = createMockNode(
sentinelEndId,
[
{ target: sentinelStartId, sourceHandle: 'loop_continue' },
{ target: afterLoopId, sourceHandle: 'loop_exit' },
],
[nodeAId]
)
const afterLoopNode = createMockNode(afterLoopId, [], [sentinelEndId])
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[sentinelEndId, sentinelEndNode],
[afterLoopId, afterLoopNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// When selectedOption is null, the cascade deactivation makes sentinel_end ready
const readyAfterCondition = edgeManager.processOutgoingEdges(conditionNode, {
selectedOption: null,
})
expect(readyAfterCondition).toContain(sentinelEndId)
})
it('should handle condition directly connecting to sentinel_end with dead-end selected', () => {
// Bugbot scenario: condition → (if) → sentinel_end directly, dead-end selected
// sentinel_end should become ready even without intermediate nodes
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const conditionId = 'condition'
const afterLoopId = 'after-loop'
const sentinelStartNode = createMockNode(sentinelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[{ target: sentinelEndId, sourceHandle: 'condition-if' }],
[sentinelStartId]
)
const sentinelEndNode = createMockNode(
sentinelEndId,
[
{ target: sentinelStartId, sourceHandle: 'loop_continue' },
{ target: afterLoopId, sourceHandle: 'loop_exit' },
],
[conditionId]
)
const afterLoopNode = createMockNode(afterLoopId, [], [sentinelEndId])
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[conditionId, conditionNode],
[sentinelEndId, sentinelEndNode],
[afterLoopId, afterLoopNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Dead-end: no edge matches, sentinel_end should still become ready
const ready = edgeManager.processOutgoingEdges(conditionNode, {
selectedOption: null,
})
expect(ready).toContain(sentinelEndId)
})
it('should handle multiple conditions in sequence inside loop', () => {
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const condition1Id = 'condition-1'
const condition2Id = 'condition-2'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const nodeCId = 'node-c'
const sentinelStartNode = createMockNode(sentinelStartId, [{ target: condition1Id }])
const condition1Node = createMockNode(
condition1Id,
[
{ target: condition2Id, sourceHandle: 'condition-if' },
{ target: nodeBId, sourceHandle: 'condition-else' },
],
[sentinelStartId]
)
const condition2Node = createMockNode(
condition2Id,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeCId, sourceHandle: 'condition-else' },
],
[condition1Id]
)
const nodeANode = createMockNode(nodeAId, [{ target: sentinelEndId }], [condition2Id])
const nodeBNode = createMockNode(nodeBId, [{ target: sentinelEndId }], [condition1Id])
const nodeCNode = createMockNode(nodeCId, [{ target: sentinelEndId }], [condition2Id])
const sentinelEndNode = createMockNode(
sentinelEndId,
[{ target: sentinelStartId, sourceHandle: 'loop_continue' }],
[nodeAId, nodeBId, nodeCId]
)
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[condition1Id, condition1Node],
[condition2Id, condition2Node],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[nodeCId, nodeCNode],
[sentinelEndId, sentinelEndNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Path: condition1(if) → condition2(else) → nodeC → sentinel_end
const ready1 = edgeManager.processOutgoingEdges(condition1Node, { selectedOption: 'if' })
expect(ready1).toContain(condition2Id)
const ready2 = edgeManager.processOutgoingEdges(condition2Node, { selectedOption: 'else' })
expect(ready2).toContain(nodeCId)
const ready3 = edgeManager.processOutgoingEdges(nodeCNode, {})
expect(ready3).toContain(sentinelEndId)
const ready4 = edgeManager.processOutgoingEdges(sentinelEndNode, {
selectedRoute: 'loop_continue',
})
expect(ready4).toContain(sentinelStartId)
})
it('should handle diamond pattern inside loop (condition splits then converges)', () => {
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const mergeId = 'merge'
const sentinelStartNode = createMockNode(sentinelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeBId, sourceHandle: 'condition-else' },
],
[sentinelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: mergeId }], [conditionId])
const nodeBNode = createMockNode(nodeBId, [{ target: mergeId }], [conditionId])
const mergeNode = createMockNode(mergeId, [{ target: sentinelEndId }], [nodeAId, nodeBId])
const sentinelEndNode = createMockNode(
sentinelEndId,
[{ target: sentinelStartId, sourceHandle: 'loop_continue' }],
[mergeId]
)
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[mergeId, mergeNode],
[sentinelEndId, sentinelEndNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Test else path through diamond
const ready1 = edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'else' })
expect(ready1).toContain(nodeBId)
expect(ready1).not.toContain(nodeAId)
const ready2 = edgeManager.processOutgoingEdges(nodeBNode, {})
expect(ready2).toContain(mergeId)
const ready3 = edgeManager.processOutgoingEdges(mergeNode, {})
expect(ready3).toContain(sentinelEndId)
const ready4 = edgeManager.processOutgoingEdges(sentinelEndNode, {
selectedRoute: 'loop_continue',
})
expect(ready4).toContain(sentinelStartId)
})
it('should handle deep cascade that reaches sentinel_end through multiple hops', () => {
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const nodeCId = 'node-c'
const nodeDId = 'node-d'
const sentinelStartNode = createMockNode(sentinelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeDId, sourceHandle: 'condition-else' },
],
[sentinelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: nodeBId }], [conditionId])
const nodeBNode = createMockNode(nodeBId, [{ target: nodeCId }], [nodeAId])
const nodeCNode = createMockNode(nodeCId, [{ target: sentinelEndId }], [nodeBId])
const nodeDNode = createMockNode(nodeDId, [{ target: sentinelEndId }], [conditionId])
const sentinelEndNode = createMockNode(
sentinelEndId,
[
{ target: sentinelStartId, sourceHandle: 'loop_continue' },
{ target: 'after-loop', sourceHandle: 'loop_exit' },
],
[nodeCId, nodeDId]
)
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[nodeCId, nodeCNode],
[nodeDId, nodeDNode],
[sentinelEndId, sentinelEndNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Select else - triggers deep cascade deactivation of if path
const ready1 = edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'else' })
expect(ready1).toContain(nodeDId)
const ready2 = edgeManager.processOutgoingEdges(nodeDNode, {})
expect(ready2).toContain(sentinelEndId)
// loop_continue should still work despite deep cascade
const ready3 = edgeManager.processOutgoingEdges(sentinelEndNode, {
selectedRoute: 'loop_continue',
})
expect(ready3).toContain(sentinelStartId)
})
it('should handle condition with 3+ branches inside loop', () => {
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const nodeCId = 'node-c'
const nodeDId = 'node-d'
const sentinelStartNode = createMockNode(sentinelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeBId, sourceHandle: 'condition-elseif1' },
{ target: nodeCId, sourceHandle: 'condition-elseif2' },
{ target: nodeDId, sourceHandle: 'condition-else' },
],
[sentinelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: sentinelEndId }], [conditionId])
const nodeBNode = createMockNode(nodeBId, [{ target: sentinelEndId }], [conditionId])
const nodeCNode = createMockNode(nodeCId, [{ target: sentinelEndId }], [conditionId])
const nodeDNode = createMockNode(nodeDId, [{ target: sentinelEndId }], [conditionId])
const sentinelEndNode = createMockNode(
sentinelEndId,
[{ target: sentinelStartId, sourceHandle: 'loop_continue' }],
[nodeAId, nodeBId, nodeCId, nodeDId]
)
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[nodeCId, nodeCNode],
[nodeDId, nodeDNode],
[sentinelEndId, sentinelEndNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Test middle branch (elseif2)
const ready1 = edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'elseif2' })
expect(ready1).toContain(nodeCId)
expect(ready1).not.toContain(nodeAId)
expect(ready1).not.toContain(nodeBId)
expect(ready1).not.toContain(nodeDId)
const ready2 = edgeManager.processOutgoingEdges(nodeCNode, {})
expect(ready2).toContain(sentinelEndId)
const ready3 = edgeManager.processOutgoingEdges(sentinelEndNode, {
selectedRoute: 'loop_continue',
})
expect(ready3).toContain(sentinelStartId)
})
it('should handle loop_continue_alt edge (alternative continue handle)', () => {
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const sentinelStartNode = createMockNode(sentinelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeBId, sourceHandle: 'condition-else' },
],
[sentinelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: sentinelEndId }], [conditionId])
const nodeBNode = createMockNode(nodeBId, [{ target: sentinelEndId }], [conditionId])
const sentinelEndNode = createMockNode(
sentinelEndId,
[{ target: sentinelStartId, sourceHandle: 'loop-continue-source' }],
[nodeAId, nodeBId]
)
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[sentinelEndId, sentinelEndNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'else' })
edgeManager.processOutgoingEdges(nodeBNode, {})
const ready = edgeManager.processOutgoingEdges(sentinelEndNode, {
selectedRoute: 'loop_continue',
})
expect(ready).toContain(sentinelStartId)
})
it('should handle condition with dead-end branch (no outgoing edge) inside loop', () => {
// Scenario: Loop with Function 1 → Condition 1 → Function 2
// Condition has "if" branch → Function 2
// Condition has "else" branch → NO connection (dead end)
// When else is selected (selectedOption: null), the loop should continue
//
// DAG structure:
// sentinel_start → func1 → condition → (if) → func2 → sentinel_end
// → (else) → [nothing]
// sentinel_end → (loop_continue) → sentinel_start
//
// When condition takes else with no edge:
// - selectedOption: null (no condition matches)
// - The "if" edge gets deactivated
// - func2 has no other active incoming edges, so edge to sentinel_end gets deactivated
// - sentinel_end has no active incoming edges and should become ready
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const func1Id = 'func1'
const conditionId = 'condition'
const func2Id = 'func2'
const sentinelStartNode = createMockNode(sentinelStartId, [{ target: func1Id }])
const func1Node = createMockNode(func1Id, [{ target: conditionId }], [sentinelStartId])
// Condition only has "if" branch, no "else" edge (dead end)
const conditionNode = createMockNode(
conditionId,
[{ target: func2Id, sourceHandle: 'condition-if' }],
[func1Id]
)
const func2Node = createMockNode(func2Id, [{ target: sentinelEndId }], [conditionId])
const sentinelEndNode = createMockNode(
sentinelEndId,
[
{ target: sentinelStartId, sourceHandle: 'loop_continue' },
{ target: 'after-loop', sourceHandle: 'loop_exit' },
],
[func2Id]
)
const afterLoopNode = createMockNode('after-loop', [], [sentinelEndId])
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[func1Id, func1Node],
[conditionId, conditionNode],
[func2Id, func2Node],
[sentinelEndId, sentinelEndNode],
['after-loop', afterLoopNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Simulate execution: sentinel_start → func1 → condition
// Clear incoming edges as execution progresses (simulating normal flow)
func1Node.incomingEdges.clear()
conditionNode.incomingEdges.clear()
// Condition takes "else" but there's no else edge
// selectedOption: null means no condition branch matches
const ready = edgeManager.processOutgoingEdges(conditionNode, {
selectedOption: null,
conditionResult: false,
selectedPath: null,
})
// The "if" edge to func2 should be deactivated
// func2 has no other incoming edges, so its edge to sentinel_end gets deactivated
// sentinel_end has no active incoming edges and should be ready
expect(ready).toContain(sentinelEndId)
})
it('should handle condition with dead-end else branch where another path exists to sentinel_end', () => {
// Scenario: Loop with two paths to sentinel_end
// Path 1: condition → (if) → func2 → sentinel_end
// Path 2: condition → (else) → [nothing]
// But there's also: func3 → sentinel_end (from different source)
//
// When condition takes else:
// - func2's path gets deactivated
// - sentinel_end still has active incoming from func3
// - sentinel_end should NOT become ready
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const conditionId = 'condition'
const func2Id = 'func2'
const func3Id = 'func3'
const sentinelStartNode = createMockNode(sentinelStartId, [
{ target: conditionId },
{ target: func3Id },
])
const conditionNode = createMockNode(
conditionId,
[{ target: func2Id, sourceHandle: 'condition-if' }],
[sentinelStartId]
)
const func2Node = createMockNode(func2Id, [{ target: sentinelEndId }], [conditionId])
const func3Node = createMockNode(func3Id, [{ target: sentinelEndId }], [sentinelStartId])
const sentinelEndNode = createMockNode(
sentinelEndId,
[{ target: sentinelStartId, sourceHandle: 'loop_continue' }],
[func2Id, func3Id]
)
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[conditionId, conditionNode],
[func2Id, func2Node],
[func3Id, func3Node],
[sentinelEndId, sentinelEndNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Simulate execution: sentinel_start fires, condition incoming cleared
conditionNode.incomingEdges.clear()
func3Node.incomingEdges.clear()
// Condition takes else (dead end)
const ready = edgeManager.processOutgoingEdges(conditionNode, {
selectedOption: null,
})
// sentinel_end should NOT be ready because func3 hasn't completed yet
expect(ready).not.toContain(sentinelEndId)
// func2 should not be ready either (its edge was deactivated, not activated)
expect(ready).not.toContain(func2Id)
})
it('should handle nested conditions with dead-end branches inside loop', () => {
// Scenario: condition1 → (if) → condition2 → (if) → func → sentinel_end
// → (else) → [nothing]
// → (else) → [nothing]
//
// When condition1 takes if, then condition2 takes else:
// - condition2's "if" edge to func gets deactivated
// - func's edge to sentinel_end gets deactivated
// - sentinel_end should become ready
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const condition1Id = 'condition1'
const condition2Id = 'condition2'
const funcId = 'func'
const sentinelStartNode = createMockNode(sentinelStartId, [{ target: condition1Id }])
const condition1Node = createMockNode(
condition1Id,
[{ target: condition2Id, sourceHandle: 'condition-if' }],
[sentinelStartId]
)
const condition2Node = createMockNode(
condition2Id,
[{ target: funcId, sourceHandle: 'condition-if' }],
[condition1Id]
)
const funcNode = createMockNode(funcId, [{ target: sentinelEndId }], [condition2Id])
const sentinelEndNode = createMockNode(
sentinelEndId,
[{ target: sentinelStartId, sourceHandle: 'loop_continue' }],
[funcId]
)
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[condition1Id, condition1Node],
[condition2Id, condition2Node],
[funcId, funcNode],
[sentinelEndId, sentinelEndNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Clear incoming edges as execution progresses
condition1Node.incomingEdges.clear()
// condition1 takes "if" - condition2 becomes ready
const ready1 = edgeManager.processOutgoingEdges(condition1Node, { selectedOption: 'if' })
expect(ready1).toContain(condition2Id)
condition2Node.incomingEdges.clear()
// condition2 takes "else" (dead end)
const ready2 = edgeManager.processOutgoingEdges(condition2Node, { selectedOption: null })
// sentinel_end should be ready because all paths to it are deactivated
expect(ready2).toContain(sentinelEndId)
})
it('should NOT execute intermediate nodes in long cascade chains (2+ hops)', () => {
// Regression test: When condition hits dead-end with 2+ intermediate nodes,
// only sentinel_end should be ready, NOT the intermediate nodes.
//
// Structure: sentinel_start → condition → funcA → funcB → sentinel_end
// When condition hits dead-end, funcA and funcB should NOT execute.
const sentinelStartId = 'sentinel-start'
const sentinelEndId = 'sentinel-end'
const conditionId = 'condition'
const funcAId = 'funcA'
const funcBId = 'funcB'
const sentinelStartNode = createMockNode(sentinelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[{ target: funcAId, sourceHandle: 'condition-if' }],
[sentinelStartId]
)
const funcANode = createMockNode(funcAId, [{ target: funcBId }], [conditionId])
const funcBNode = createMockNode(funcBId, [{ target: sentinelEndId }], [funcAId])
const sentinelEndNode = createMockNode(
sentinelEndId,
[
{ target: sentinelStartId, sourceHandle: 'loop_continue' },
{ target: 'after-loop', sourceHandle: 'loop_exit' },
],
[funcBId]
)
const afterLoopNode = createMockNode('after-loop', [], [sentinelEndId])
const nodes = new Map<string, DAGNode>([
[sentinelStartId, sentinelStartNode],
[conditionId, conditionNode],
[funcAId, funcANode],
[funcBId, funcBNode],
[sentinelEndId, sentinelEndNode],
['after-loop', afterLoopNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Simulate execution up to condition
conditionNode.incomingEdges.clear()
// Condition hits dead-end (else branch with no edge)
const ready = edgeManager.processOutgoingEdges(conditionNode, {
selectedOption: null,
})
// Only sentinel_end should be ready
expect(ready).toContain(sentinelEndId)
// Intermediate nodes should NOT be in readyNodes
expect(ready).not.toContain(funcAId)
expect(ready).not.toContain(funcBId)
})
})
describe('Condition inside parallel - parallel control edges should not be cascade-deactivated', () => {
it('should handle condition inside single parallel branch', () => {
// parallel_start → condition → (if) → nodeA → parallel_end
// → (else) → nodeB → parallel_end
const parallelStartId = 'parallel-start'
const parallelEndId = 'parallel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const afterParallelId = 'after-parallel'
const parallelStartNode = createMockNode(parallelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeBId, sourceHandle: 'condition-else' },
],
[parallelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: parallelEndId }], [conditionId])
const nodeBNode = createMockNode(nodeBId, [{ target: parallelEndId }], [conditionId])
const parallelEndNode = createMockNode(
parallelEndId,
[{ target: afterParallelId, sourceHandle: 'parallel_exit' }],
[nodeAId, nodeBId]
)
const afterParallelNode = createMockNode(afterParallelId, [], [parallelEndId])
const nodes = new Map<string, DAGNode>([
[parallelStartId, parallelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[parallelEndId, parallelEndNode],
[afterParallelId, afterParallelNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Select else path
const ready1 = edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'else' })
expect(ready1).toContain(nodeBId)
expect(ready1).not.toContain(nodeAId)
const ready2 = edgeManager.processOutgoingEdges(nodeBNode, {})
expect(ready2).toContain(parallelEndId)
const ready3 = edgeManager.processOutgoingEdges(parallelEndNode, {
selectedRoute: 'parallel_exit',
})
expect(ready3).toContain(afterParallelId)
})
it('should handle condition with null selectedOption inside parallel', () => {
// When a condition selects a branch with no outgoing connection (dead-end),
// selectedOption is null - cascade deactivation should make parallel_end ready
const parallelStartId = 'parallel-start'
const parallelEndId = 'parallel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const parallelStartNode = createMockNode(parallelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[{ target: nodeAId, sourceHandle: 'condition-if' }],
[parallelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: parallelEndId }], [conditionId])
const parallelEndNode = createMockNode(
parallelEndId,
[{ target: 'after', sourceHandle: 'parallel_exit' }],
[nodeAId]
)
const nodes = new Map<string, DAGNode>([
[parallelStartId, parallelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[parallelEndId, parallelEndNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// When selectedOption is null, the cascade deactivation makes parallel_end ready
const ready = edgeManager.processOutgoingEdges(conditionNode, { selectedOption: null })
expect(ready).toContain(parallelEndId)
})
it('should handle multiple conditions in parallel branches', () => {
// parallel_start → branch1 → condition1 → nodeA → parallel_end
// → branch2 → condition2 → nodeB → parallel_end
const parallelStartId = 'parallel-start'
const parallelEndId = 'parallel-end'
const branch1Id = 'branch-1'
const branch2Id = 'branch-2'
const condition1Id = 'condition-1'
const condition2Id = 'condition-2'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const nodeCId = 'node-c'
const nodeDId = 'node-d'
const parallelStartNode = createMockNode(parallelStartId, [
{ target: branch1Id },
{ target: branch2Id },
])
const branch1Node = createMockNode(branch1Id, [{ target: condition1Id }], [parallelStartId])
const branch2Node = createMockNode(branch2Id, [{ target: condition2Id }], [parallelStartId])
const condition1Node = createMockNode(
condition1Id,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeBId, sourceHandle: 'condition-else' },
],
[branch1Id]
)
const condition2Node = createMockNode(
condition2Id,
[
{ target: nodeCId, sourceHandle: 'condition-if' },
{ target: nodeDId, sourceHandle: 'condition-else' },
],
[branch2Id]
)
const nodeANode = createMockNode(nodeAId, [{ target: parallelEndId }], [condition1Id])
const nodeBNode = createMockNode(nodeBId, [{ target: parallelEndId }], [condition1Id])
const nodeCNode = createMockNode(nodeCId, [{ target: parallelEndId }], [condition2Id])
const nodeDNode = createMockNode(nodeDId, [{ target: parallelEndId }], [condition2Id])
const afterId = 'after'
const parallelEndNode = createMockNode(
parallelEndId,
[{ target: afterId, sourceHandle: 'parallel_exit' }],
[nodeAId, nodeBId, nodeCId, nodeDId]
)
const afterNode = createMockNode(afterId, [], [parallelEndId])
const nodes = new Map<string, DAGNode>([
[parallelStartId, parallelStartNode],
[branch1Id, branch1Node],
[branch2Id, branch2Node],
[condition1Id, condition1Node],
[condition2Id, condition2Node],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[nodeCId, nodeCNode],
[nodeDId, nodeDNode],
[parallelEndId, parallelEndNode],
[afterId, afterNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Branch 1: condition1 selects else
const ready1 = edgeManager.processOutgoingEdges(condition1Node, { selectedOption: 'else' })
expect(ready1).toContain(nodeBId)
// Branch 2: condition2 selects if
const ready2 = edgeManager.processOutgoingEdges(condition2Node, { selectedOption: 'if' })
expect(ready2).toContain(nodeCId)
// Both complete
edgeManager.processOutgoingEdges(nodeBNode, {})
edgeManager.processOutgoingEdges(nodeCNode, {})
// parallel_exit should work
const ready3 = edgeManager.processOutgoingEdges(parallelEndNode, {
selectedRoute: 'parallel_exit',
})
expect(ready3).toContain('after')
})
it('should handle diamond pattern inside parallel', () => {
const parallelStartId = 'parallel-start'
const parallelEndId = 'parallel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const mergeId = 'merge'
const parallelStartNode = createMockNode(parallelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeBId, sourceHandle: 'condition-else' },
],
[parallelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: mergeId }], [conditionId])
const nodeBNode = createMockNode(nodeBId, [{ target: mergeId }], [conditionId])
const afterId = 'after'
const mergeNode = createMockNode(mergeId, [{ target: parallelEndId }], [nodeAId, nodeBId])
const parallelEndNode = createMockNode(
parallelEndId,
[{ target: afterId, sourceHandle: 'parallel_exit' }],
[mergeId]
)
const afterNode = createMockNode(afterId, [], [parallelEndId])
const nodes = new Map<string, DAGNode>([
[parallelStartId, parallelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[mergeId, mergeNode],
[parallelEndId, parallelEndNode],
[afterId, afterNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'else' })
edgeManager.processOutgoingEdges(nodeBNode, {})
edgeManager.processOutgoingEdges(mergeNode, {})
const ready = edgeManager.processOutgoingEdges(parallelEndNode, {
selectedRoute: 'parallel_exit',
})
expect(ready).toContain(afterId)
})
it('should handle deep cascade inside parallel', () => {
const parallelStartId = 'parallel-start'
const parallelEndId = 'parallel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const nodeCId = 'node-c'
const nodeDId = 'node-d'
const afterId = 'after'
const parallelStartNode = createMockNode(parallelStartId, [{ target: conditionId }])
const conditionNode = createMockNode(
conditionId,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeDId, sourceHandle: 'condition-else' },
],
[parallelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: nodeBId }], [conditionId])
const nodeBNode = createMockNode(nodeBId, [{ target: nodeCId }], [nodeAId])
const nodeCNode = createMockNode(nodeCId, [{ target: parallelEndId }], [nodeBId])
const nodeDNode = createMockNode(nodeDId, [{ target: parallelEndId }], [conditionId])
const parallelEndNode = createMockNode(
parallelEndId,
[{ target: afterId, sourceHandle: 'parallel_exit' }],
[nodeCId, nodeDId]
)
const afterNode = createMockNode(afterId, [], [parallelEndId])
const nodes = new Map<string, DAGNode>([
[parallelStartId, parallelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[nodeCId, nodeCNode],
[nodeDId, nodeDNode],
[parallelEndId, parallelEndNode],
[afterId, afterNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'else' })
edgeManager.processOutgoingEdges(nodeDNode, {})
const ready = edgeManager.processOutgoingEdges(parallelEndNode, {
selectedRoute: 'parallel_exit',
})
expect(ready).toContain(afterId)
})
it('should handle error edge inside parallel', () => {
const parallelStartId = 'parallel-start'
const parallelEndId = 'parallel-end'
const nodeAId = 'node-a'
const successNodeId = 'success-node'
const errorNodeId = 'error-node'
const afterId = 'after'
const parallelStartNode = createMockNode(parallelStartId, [{ target: nodeAId }])
const nodeANode = createMockNode(
nodeAId,
[
{ target: successNodeId, sourceHandle: 'source' },
{ target: errorNodeId, sourceHandle: 'error' },
],
[parallelStartId]
)
const successNode = createMockNode(successNodeId, [{ target: parallelEndId }], [nodeAId])
const errorNode = createMockNode(errorNodeId, [{ target: parallelEndId }], [nodeAId])
const parallelEndNode = createMockNode(
parallelEndId,
[{ target: afterId, sourceHandle: 'parallel_exit' }],
[successNodeId, errorNodeId]
)
const afterNode = createMockNode(afterId, [], [parallelEndId])
const nodes = new Map<string, DAGNode>([
[parallelStartId, parallelStartNode],
[nodeAId, nodeANode],
[successNodeId, successNode],
[errorNodeId, errorNode],
[parallelEndId, parallelEndNode],
[afterId, afterNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// nodeA errors
const ready1 = edgeManager.processOutgoingEdges(nodeANode, { error: 'Something failed' })
expect(ready1).toContain(errorNodeId)
expect(ready1).not.toContain(successNodeId)
const ready2 = edgeManager.processOutgoingEdges(errorNode, {})
expect(ready2).toContain(parallelEndId)
const ready3 = edgeManager.processOutgoingEdges(parallelEndNode, {
selectedRoute: 'parallel_exit',
})
expect(ready3).toContain(afterId)
})
})
describe('Loop inside parallel with conditions', () => {
it('should handle loop with condition inside parallel branch', () => {
const parallelStartId = 'parallel-start'
const parallelEndId = 'parallel-end'
const loopStartId = 'loop-start'
const loopEndId = 'loop-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const afterId = 'after'
const parallelStartNode = createMockNode(parallelStartId, [{ target: loopStartId }])
// In a real loop, after the first iteration, loopStartNode's incomingEdges would be cleared
// For this test, we start with no incoming edges to simulate mid-loop state
const loopStartNode = createMockNode(loopStartId, [{ target: conditionId }], [])
const conditionNode = createMockNode(
conditionId,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeBId, sourceHandle: 'condition-else' },
],
[loopStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: loopEndId }], [conditionId])
const nodeBNode = createMockNode(nodeBId, [{ target: loopEndId }], [conditionId])
const loopEndNode = createMockNode(
loopEndId,
[
{ target: loopStartId, sourceHandle: 'loop_continue' },
{ target: parallelEndId, sourceHandle: 'loop_exit' },
],
[nodeAId, nodeBId]
)
const parallelEndNode = createMockNode(
parallelEndId,
[{ target: afterId, sourceHandle: 'parallel_exit' }],
[loopEndId]
)
const afterNode = createMockNode(afterId, [], [parallelEndId])
const nodes = new Map<string, DAGNode>([
[parallelStartId, parallelStartNode],
[loopStartId, loopStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[loopEndId, loopEndNode],
[parallelEndId, parallelEndNode],
[afterId, afterNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Condition selects else
edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'else' })
edgeManager.processOutgoingEdges(nodeBNode, {})
// loop_continue should work - loopStartNode should be ready (no other incoming edges)
const ready1 = edgeManager.processOutgoingEdges(loopEndNode, {
selectedRoute: 'loop_continue',
})
expect(ready1).toContain(loopStartId)
// Reset and test loop_exit → parallel_exit
loopEndNode.incomingEdges = new Set([nodeAId, nodeBId])
parallelEndNode.incomingEdges = new Set([loopEndId])
conditionNode.incomingEdges = new Set([loopStartId])
nodeANode.incomingEdges = new Set([conditionId])
nodeBNode.incomingEdges = new Set([conditionId])
edgeManager.clearDeactivatedEdges()
edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'if' })
edgeManager.processOutgoingEdges(nodeANode, {})
const ready2 = edgeManager.processOutgoingEdges(loopEndNode, { selectedRoute: 'loop_exit' })
expect(ready2).toContain(parallelEndId)
const ready3 = edgeManager.processOutgoingEdges(parallelEndNode, {
selectedRoute: 'parallel_exit',
})
expect(ready3).toContain(afterId)
})
})
describe('Parallel inside loop with conditions', () => {
it('should handle parallel with condition inside loop', () => {
const loopStartId = 'loop-start'
const loopEndId = 'loop-end'
const parallelStartId = 'parallel-start'
const parallelEndId = 'parallel-end'
const conditionId = 'condition'
const nodeAId = 'node-a'
const nodeBId = 'node-b'
const loopStartNode = createMockNode(loopStartId, [{ target: parallelStartId }])
const parallelStartNode = createMockNode(
parallelStartId,
[{ target: conditionId }],
[loopStartId]
)
const conditionNode = createMockNode(
conditionId,
[
{ target: nodeAId, sourceHandle: 'condition-if' },
{ target: nodeBId, sourceHandle: 'condition-else' },
],
[parallelStartId]
)
const nodeANode = createMockNode(nodeAId, [{ target: parallelEndId }], [conditionId])
const nodeBNode = createMockNode(nodeBId, [{ target: parallelEndId }], [conditionId])
const parallelEndNode = createMockNode(
parallelEndId,
[{ target: loopEndId, sourceHandle: 'parallel_exit' }],
[nodeAId, nodeBId]
)
const loopEndNode = createMockNode(
loopEndId,
[
{ target: loopStartId, sourceHandle: 'loop_continue' },
{ target: 'after', sourceHandle: 'loop_exit' },
],
[parallelEndId]
)
const nodes = new Map<string, DAGNode>([
[loopStartId, loopStartNode],
[parallelStartId, parallelStartNode],
[conditionId, conditionNode],
[nodeAId, nodeANode],
[nodeBId, nodeBNode],
[parallelEndId, parallelEndNode],
[loopEndId, loopEndNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
// Condition selects else
edgeManager.processOutgoingEdges(conditionNode, { selectedOption: 'else' })
edgeManager.processOutgoingEdges(nodeBNode, {})
// parallel_exit should work
const ready1 = edgeManager.processOutgoingEdges(parallelEndNode, {
selectedRoute: 'parallel_exit',
})
expect(ready1).toContain(loopEndId)
// loop_continue should work
const ready2 = edgeManager.processOutgoingEdges(loopEndNode, {
selectedRoute: 'loop_continue',
})
expect(ready2).toContain(loopStartId)
})
})
describe('Edge with no sourceHandle (default edge)', () => {
it('should activate edge without sourceHandle by default', () => {
const sourceId = 'source'
const targetId = 'target'
const sourceNode = createMockNode(sourceId, [{ target: targetId }])
const targetNode = createMockNode(targetId, [], [sourceId])
const nodes = new Map<string, DAGNode>([
[sourceId, sourceNode],
[targetId, targetNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const readyNodes = edgeManager.processOutgoingEdges(sourceNode, {})
expect(readyNodes).toContain(targetId)
})
it('should not activate default edge when error occurs', () => {
const sourceId = 'source'
const targetId = 'target'
const errorTargetId = 'error-target'
const sourceNode = createMockNode(sourceId, [
{ target: targetId },
{ target: errorTargetId, sourceHandle: 'error' },
])
const targetNode = createMockNode(targetId, [], [sourceId])
const errorTargetNode = createMockNode(errorTargetId, [], [sourceId])
const nodes = new Map<string, DAGNode>([
[sourceId, sourceNode],
[targetId, targetNode],
[errorTargetId, errorTargetNode],
])
const dag = createMockDAG(nodes)
const edgeManager = new EdgeManager(dag)
const successReady = edgeManager.processOutgoingEdges(sourceNode, { result: 'ok' })
expect(successReady).toContain(targetId)
})
})
})