refactor(core): Extract execute-single context out of NodeExecutionFunctions (no-changelog) (#11543)

packages/core/src/NodeExecuteFunctions.ts

@@ -76,7 +76,6 @@ import type {
 	IPollFunctions,
 	IRequestOptions,
 	IRunExecutionData,
-	ISourceData,
 	ITaskData,
 	ITaskDataConnections,
 	ITriggerFunctions,
@@ -166,7 +165,13 @@ import { extractValue } from './ExtractValue';
 import { InstanceSettings } from './InstanceSettings';
 import type { ExtendedValidationResult, IResponseError } from './Interfaces';
 // eslint-disable-next-line import/no-cycle
-import { HookContext, PollContext, TriggerContext, WebhookContext } from './node-execution-context';
+import {
+	ExecuteSingleContext,
+	HookContext,
+	PollContext,
+	TriggerContext,
+	WebhookContext,
+} from './node-execution-context';
 import { getSecretsProxy } from './Secrets';
 import { SSHClientsManager } from './SSHClientsManager';
 
@@ -4180,145 +4185,19 @@ export function getExecuteSingleFunctions(
 	mode: WorkflowExecuteMode,
 	abortSignal?: AbortSignal,
 ): IExecuteSingleFunctions {
-	return ((workflow, runExecutionData, connectionInputData, inputData, node, itemIndex) => {
-		return {
-			...getCommonWorkflowFunctions(workflow, node, additionalData),
-			...executionCancellationFunctions(abortSignal),
-			continueOnFail: () => continueOnFail(node),
-			evaluateExpression: (expression: string, evaluateItemIndex: number | undefined) => {
-				evaluateItemIndex = evaluateItemIndex === undefined ? itemIndex : evaluateItemIndex;
-				return workflow.expression.resolveSimpleParameterValue(
-					`=${expression}`,
-					{},
-					runExecutionData,
-					runIndex,
-					evaluateItemIndex,
-					node.name,
-					connectionInputData,
-					mode,
-					getAdditionalKeys(additionalData, mode, runExecutionData),
-					executeData,
-				);
-			},
-			getContext(type: ContextType): IContextObject {
-				return NodeHelpers.getContext(runExecutionData, type, node);
-			},
-			getCredentials: async (type) =>
-				await getCredentials(
-					workflow,
-					node,
-					type,
-					additionalData,
-					mode,
-					executeData,
-					runExecutionData,
-					runIndex,
-					connectionInputData,
-					itemIndex,
-				),
-			getInputData: (inputIndex = 0, inputName = 'main') => {
-				if (!inputData.hasOwnProperty(inputName)) {
-					// Return empty array because else it would throw error when nothing is connected to input
-					return { json: {} };
-				}
-
-				// TODO: Check if nodeType has input with that index defined
-				if (inputData[inputName].length < inputIndex) {
-					throw new ApplicationError('Could not get input index', {
-						extra: { inputIndex, inputName },
-					});
-				}
-
-				const allItems = inputData[inputName][inputIndex];
-
-				if (allItems === null) {
-					throw new ApplicationError('Input index was not set', {
-						extra: { inputIndex, inputName },
-					});
-				}
-
-				if (allItems[itemIndex] === null) {
-					throw new ApplicationError('Value of input with given index was not set', {
-						extra: { inputIndex, inputName, itemIndex },
-					});
-				}
-
-				return allItems[itemIndex];
-			},
-			getInputSourceData: (inputIndex = 0, inputName = 'main') => {
-				if (executeData?.source === null) {
-					// Should never happen as n8n sets it automatically
-					throw new ApplicationError('Source data is missing');
-				}
-				return executeData.source[inputName][inputIndex] as ISourceData;
-			},
-			getItemIndex: () => itemIndex,
-			getMode: () => mode,
-			getExecuteData: () => executeData,
-			getNodeParameter: (
-				parameterName: string,
-				fallbackValue?: any,
-				options?: IGetNodeParameterOptions,
-			): NodeParameterValueType | object => {
-				return getNodeParameter(
-					workflow,
-					runExecutionData,
-					runIndex,
-					connectionInputData,
-					node,
-					parameterName,
-					itemIndex,
-					mode,
-					getAdditionalKeys(additionalData, mode, runExecutionData),
-					executeData,
-					fallbackValue,
-					options,
-				);
-			},
-			getWorkflowDataProxy: (): IWorkflowDataProxyData => {
-				const dataProxy = new WorkflowDataProxy(
-					workflow,
-					runExecutionData,
-					runIndex,
-					itemIndex,
-					node.name,
-					connectionInputData,
-					{},
-					mode,
-					getAdditionalKeys(additionalData, mode, runExecutionData),
-					executeData,
-				);
-				return dataProxy.getDataProxy();
-			},
-			helpers: {
-				createDeferredPromise,
-				returnJsonArray,
-				...getRequestHelperFunctions(
-					workflow,
-					node,
-					additionalData,
-					runExecutionData,
-					connectionInputData,
-				),
-				...getBinaryHelperFunctions(additionalData, workflow.id),
-
-				assertBinaryData: (propertyName, inputIndex = 0) =>
-					assertBinaryData(inputData, node, itemIndex, propertyName, inputIndex),
-				getBinaryDataBuffer: async (propertyName, inputIndex = 0) =>
-					await getBinaryDataBuffer(inputData, itemIndex, propertyName, inputIndex),
-			},
-			logAiEvent: (eventName: AiEvent, msg: string) => {
-				return additionalData.logAiEvent(eventName, {
-					executionId: additionalData.executionId ?? 'unsaved-execution',
-					nodeName: node.name,
-					workflowName: workflow.name ?? 'Unnamed workflow',
-					nodeType: node.type,
-					workflowId: workflow.id ?? 'unsaved-workflow',
-					msg,
-				});
-			},
-		};
-	})(workflow, runExecutionData, connectionInputData, inputData, node, itemIndex);
+	return new ExecuteSingleContext(
+		workflow,
+		node,
+		additionalData,
+		mode,
+		runExecutionData,
+		runIndex,
+		connectionInputData,
+		inputData,
+		itemIndex,
+		executeData,
+		abortSignal,
+	);
 }
 
 export function getCredentialTestFunctions(): ICredentialTestFunctions {

packages/core/src/node-execution-context/__tests__/execute-single-context.test.ts

@@ -0,0 +1,301 @@
+import { mock } from 'jest-mock-extended';
+import type {
+	INode,
+	IWorkflowExecuteAdditionalData,
+	IRunExecutionData,
+	INodeExecutionData,
+	ITaskDataConnections,
+	IExecuteData,
+	Workflow,
+	WorkflowExecuteMode,
+	ICredentialsHelper,
+	Expression,
+	INodeType,
+	INodeTypes,
+	OnError,
+	ContextType,
+	IContextObject,
+	ICredentialDataDecryptedObject,
+	ISourceData,
+} from 'n8n-workflow';
+import { ApplicationError, NodeHelpers } from 'n8n-workflow';
+
+import { ExecuteSingleContext } from '../execute-single-context';
+
+describe('ExecuteSingleContext', () => {
+	const testCredentialType = 'testCredential';
+	const nodeType = mock<INodeType>({
+		description: {
+			credentials: [
+				{
+					name: testCredentialType,
+					required: true,
+				},
+			],
+			properties: [
+				{
+					name: 'testParameter',
+					required: true,
+				},
+			],
+		},
+	});
+	const nodeTypes = mock<INodeTypes>();
+	const expression = mock<Expression>();
+	const workflow = mock<Workflow>({ expression, nodeTypes });
+	const node = mock<INode>({
+		credentials: {
+			[testCredentialType]: {
+				id: 'testCredentialId',
+			},
+		},
+	});
+	node.parameters = {
+		testParameter: 'testValue',
+	};
+	const credentialsHelper = mock<ICredentialsHelper>();
+	const additionalData = mock<IWorkflowExecuteAdditionalData>({ credentialsHelper });
+	const mode: WorkflowExecuteMode = 'manual';
+	const runExecutionData = mock<IRunExecutionData>();
+	const connectionInputData = mock<INodeExecutionData[]>();
+	const inputData: ITaskDataConnections = { main: [[{ json: { test: 'data' } }]] };
+	const executeData = mock<IExecuteData>();
+	const runIndex = 0;
+	const itemIndex = 0;
+	const abortSignal = mock<AbortSignal>();
+
+	const executeSingleContext = new ExecuteSingleContext(
+		workflow,
+		node,
+		additionalData,
+		mode,
+		runExecutionData,
+		runIndex,
+		connectionInputData,
+		inputData,
+		itemIndex,
+		executeData,
+		abortSignal,
+	);
+
+	beforeEach(() => {
+		nodeTypes.getByNameAndVersion.mockReturnValue(nodeType);
+		expression.getParameterValue.mockImplementation((value) => value);
+	});
+
+	describe('getExecutionCancelSignal', () => {
+		it('should return the abort signal', () => {
+			expect(executeSingleContext.getExecutionCancelSignal()).toBe(abortSignal);
+		});
+	});
+
+	describe('continueOnFail', () => {
+		afterEach(() => {
+			node.onError = undefined;
+			node.continueOnFail = false;
+		});
+
+		it('should return false for nodes by default', () => {
+			expect(executeSingleContext.continueOnFail()).toEqual(false);
+		});
+
+		it('should return true if node has continueOnFail set to true', () => {
+			node.continueOnFail = true;
+			expect(executeSingleContext.continueOnFail()).toEqual(true);
+		});
+
+		test.each([
+			['continueRegularOutput', true],
+			['continueErrorOutput', true],
+			['stopWorkflow', false],
+		])('if node has onError set to %s, it should return %s', (onError, expected) => {
+			node.onError = onError as OnError;
+			expect(executeSingleContext.continueOnFail()).toEqual(expected);
+		});
+	});
+
+	describe('evaluateExpression', () => {
+		it('should evaluate the expression correctly', () => {
+			const expression = '$json.test';
+			const expectedResult = 'data';
+			const resolveSimpleParameterValueSpy = jest.spyOn(
+				workflow.expression,
+				'resolveSimpleParameterValue',
+			);
+			resolveSimpleParameterValueSpy.mockReturnValue(expectedResult);
+
+			expect(executeSingleContext.evaluateExpression(expression, itemIndex)).toEqual(
+				expectedResult,
+			);
+
+			expect(resolveSimpleParameterValueSpy).toHaveBeenCalledWith(
+				`=${expression}`,
+				{},
+				runExecutionData,
+				runIndex,
+				itemIndex,
+				node.name,
+				connectionInputData,
+				mode,
+				expect.objectContaining({}),
+				executeData,
+			);
+
+			resolveSimpleParameterValueSpy.mockRestore();
+		});
+	});
+
+	describe('getContext', () => {
+		it('should return the context object', () => {
+			const contextType: ContextType = 'node';
+			const expectedContext = mock<IContextObject>();
+			const getContextSpy = jest.spyOn(NodeHelpers, 'getContext');
+			getContextSpy.mockReturnValue(expectedContext);
+
+			expect(executeSingleContext.getContext(contextType)).toEqual(expectedContext);
+
+			expect(getContextSpy).toHaveBeenCalledWith(runExecutionData, contextType, node);
+
+			getContextSpy.mockRestore();
+		});
+	});
+
+	describe('getInputData', () => {
+		const inputIndex = 0;
+		const inputName = 'main';
+
+		afterEach(() => {
+			inputData[inputName] = [[{ json: { test: 'data' } }]];
+		});
+
+		it('should return the input data correctly', () => {
+			const expectedData = { json: { test: 'data' } };
+
+			expect(executeSingleContext.getInputData(inputIndex, inputName)).toEqual(expectedData);
+		});
+
+		it('should return an empty object if the input name does not exist', () => {
+			const inputName = 'nonExistent';
+			const expectedData = { json: {} };
+
+			expect(executeSingleContext.getInputData(inputIndex, inputName)).toEqual(expectedData);
+		});
+
+		it('should throw an error if the input index is out of range', () => {
+			const inputIndex = 1;
+
+			expect(() => executeSingleContext.getInputData(inputIndex, inputName)).toThrow(
+				ApplicationError,
+			);
+		});
+
+		it('should throw an error if the input index was not set', () => {
+			inputData.main[inputIndex] = null;
+
+			expect(() => executeSingleContext.getInputData(inputIndex, inputName)).toThrow(
+				ApplicationError,
+			);
+		});
+
+		it('should throw an error if the value of input with given index was not set', () => {
+			delete inputData.main[inputIndex]![itemIndex];
+
+			expect(() => executeSingleContext.getInputData(inputIndex, inputName)).toThrow(
+				ApplicationError,
+			);
+		});
+	});
+
+	describe('getItemIndex', () => {
+		it('should return the item index correctly', () => {
+			expect(executeSingleContext.getItemIndex()).toEqual(itemIndex);
+		});
+	});
+
+	describe('getNodeParameter', () => {
+		beforeEach(() => {
+			nodeTypes.getByNameAndVersion.mockReturnValue(nodeType);
+			expression.getParameterValue.mockImplementation((value) => value);
+		});
+
+		it('should return parameter value when it exists', () => {
+			const parameter = executeSingleContext.getNodeParameter('testParameter');
+
+			expect(parameter).toBe('testValue');
+		});
+
+		it('should return the fallback value when the parameter does not exist', () => {
+			const parameter = executeSingleContext.getNodeParameter('otherParameter', 'fallback');
+
+			expect(parameter).toBe('fallback');
+		});
+	});
+
+	describe('getCredentials', () => {
+		it('should get decrypted credentials', async () => {
+			nodeTypes.getByNameAndVersion.mockReturnValue(nodeType);
+			credentialsHelper.getDecrypted.mockResolvedValue({ secret: 'token' });
+
+			const credentials =
+				await executeSingleContext.getCredentials<ICredentialDataDecryptedObject>(
+					testCredentialType,
+				);
+
+			expect(credentials).toEqual({ secret: 'token' });
+		});
+	});
+
+	describe('getExecuteData', () => {
+		it('should return the execute data correctly', () => {
+			expect(executeSingleContext.getExecuteData()).toEqual(executeData);
+		});
+	});
+
+	describe('getWorkflowDataProxy', () => {
+		it('should return the workflow data proxy correctly', () => {
+			const workflowDataProxy = executeSingleContext.getWorkflowDataProxy();
+			expect(workflowDataProxy.isProxy).toBe(true);
+			expect(Object.keys(workflowDataProxy.$input)).toEqual([
+				'all',
+				'context',
+				'first',
+				'item',
+				'last',
+				'params',
+			]);
+		});
+	});
+
+	describe('getInputSourceData', () => {
+		it('should return the input source data correctly', () => {
+			const inputSourceData = mock<ISourceData>();
+			executeData.source = { main: [inputSourceData] };
+
+			expect(executeSingleContext.getInputSourceData()).toEqual(inputSourceData);
+		});
+
+		it('should throw an error if the source data is missing', () => {
+			executeData.source = null;
+
+			expect(() => executeSingleContext.getInputSourceData()).toThrow(ApplicationError);
+		});
+	});
+
+	describe('logAiEvent', () => {
+		it('should log the AI event correctly', () => {
+			const eventName = 'ai-tool-called';
+			const msg = 'test message';
+
+			executeSingleContext.logAiEvent(eventName, msg);
+
+			expect(additionalData.logAiEvent).toHaveBeenCalledWith(eventName, {
+				executionId: additionalData.executionId,
+				nodeName: node.name,
+				workflowName: workflow.name,
+				nodeType: node.type,
+				workflowId: workflow.id,
+				msg,
+			});
+		});
+	});
+});

packages/core/src/node-execution-context/execute-single-context.ts

@@ -0,0 +1,212 @@
+import type {
+	ICredentialDataDecryptedObject,
+	IGetNodeParameterOptions,
+	INode,
+	INodeExecutionData,
+	IRunExecutionData,
+	IExecuteSingleFunctions,
+	IWorkflowExecuteAdditionalData,
+	Workflow,
+	WorkflowExecuteMode,
+	ITaskDataConnections,
+	IExecuteData,
+	ContextType,
+	AiEvent,
+	ISourceData,
+} from 'n8n-workflow';
+import {
+	ApplicationError,
+	createDeferredPromise,
+	NodeHelpers,
+	WorkflowDataProxy,
+} from 'n8n-workflow';
+
+// eslint-disable-next-line import/no-cycle
+import {
+	assertBinaryData,
+	continueOnFail,
+	getAdditionalKeys,
+	getBinaryDataBuffer,
+	getCredentials,
+	getNodeParameter,
+	returnJsonArray,
+} from '@/NodeExecuteFunctions';
+
+import { BinaryHelpers } from './helpers/binary-helpers';
+import { RequestHelpers } from './helpers/request-helpers';
+import { NodeExecutionContext } from './node-execution-context';
+
+export class ExecuteSingleContext extends NodeExecutionContext implements IExecuteSingleFunctions {
+	readonly helpers: IExecuteSingleFunctions['helpers'];
+
+	constructor(
+		workflow: Workflow,
+		node: INode,
+		additionalData: IWorkflowExecuteAdditionalData,
+		mode: WorkflowExecuteMode,
+		private readonly runExecutionData: IRunExecutionData,
+		private readonly runIndex: number,
+		private readonly connectionInputData: INodeExecutionData[],
+		private readonly inputData: ITaskDataConnections,
+		private readonly itemIndex: number,
+		private readonly executeData: IExecuteData,
+		private readonly abortSignal?: AbortSignal,
+	) {
+		super(workflow, node, additionalData, mode);
+
+		this.helpers = {
+			createDeferredPromise,
+			returnJsonArray,
+			...new BinaryHelpers(workflow, additionalData).exported,
+			...new RequestHelpers(this, workflow, node, additionalData).exported,
+
+			assertBinaryData: (propertyName, inputIndex = 0) =>
+				assertBinaryData(inputData, node, itemIndex, propertyName, inputIndex),
+			getBinaryDataBuffer: async (propertyName, inputIndex = 0) =>
+				await getBinaryDataBuffer(inputData, itemIndex, propertyName, inputIndex),
+		};
+	}
+
+	getExecutionCancelSignal() {
+		return this.abortSignal;
+	}
+
+	onExecutionCancellation(handler: () => unknown) {
+		const fn = () => {
+			this.abortSignal?.removeEventListener('abort', fn);
+			handler();
+		};
+		this.abortSignal?.addEventListener('abort', fn);
+	}
+
+	continueOnFail() {
+		return continueOnFail(this.node);
+	}
+
+	evaluateExpression(expression: string, evaluateItemIndex: number | undefined) {
+		evaluateItemIndex = evaluateItemIndex ?? this.itemIndex;
+		return this.workflow.expression.resolveSimpleParameterValue(
+			`=${expression}`,
+			{},
+			this.runExecutionData,
+			this.runIndex,
+			evaluateItemIndex,
+			this.node.name,
+			this.connectionInputData,
+			this.mode,
+			getAdditionalKeys(this.additionalData, this.mode, this.runExecutionData),
+			this.executeData,
+		);
+	}
+
+	getContext(type: ContextType) {
+		return NodeHelpers.getContext(this.runExecutionData, type, this.node);
+	}
+
+	getInputData(inputIndex = 0, inputName = 'main') {
+		if (!this.inputData.hasOwnProperty(inputName)) {
+			// Return empty array because else it would throw error when nothing is connected to input
+			return { json: {} };
+		}
+
+		// TODO: Check if nodeType has input with that index defined
+		if (this.inputData[inputName].length < inputIndex) {
+			throw new ApplicationError('Could not get input index', {
+				extra: { inputIndex, inputName },
+			});
+		}
+
+		const allItems = this.inputData[inputName][inputIndex];
+
+		if (allItems === null || allItems === undefined) {
+			throw new ApplicationError('Input index was not set', {
+				extra: { inputIndex, inputName },
+			});
+		}
+
+		const data = allItems[this.itemIndex];
+		if (data === null || data === undefined) {
+			throw new ApplicationError('Value of input with given index was not set', {
+				extra: { inputIndex, inputName, itemIndex: this.itemIndex },
+			});
+		}
+
+		return data;
+	}
+
+	getItemIndex() {
+		return this.itemIndex;
+	}
+
+	// eslint-disable-next-line @typescript-eslint/no-explicit-any
+	getNodeParameter(parameterName: string, fallbackValue?: any, options?: IGetNodeParameterOptions) {
+		return getNodeParameter(
+			this.workflow,
+			this.runExecutionData,
+			this.runIndex,
+			this.connectionInputData,
+			this.node,
+			parameterName,
+			this.itemIndex,
+			this.mode,
+			getAdditionalKeys(this.additionalData, this.mode, this.runExecutionData),
+			this.executeData,
+			fallbackValue,
+			options,
+		);
+	}
+
+	// TODO: extract out in a BaseExecutionContext
+	async getCredentials<T extends object = ICredentialDataDecryptedObject>(type: string) {
+		return await getCredentials<T>(
+			this.workflow,
+			this.node,
+			type,
+			this.additionalData,
+			this.mode,
+			this.executeData,
+			this.runExecutionData,
+			this.runIndex,
+			this.connectionInputData,
+			this.itemIndex,
+		);
+	}
+
+	getExecuteData() {
+		return this.executeData;
+	}
+
+	getWorkflowDataProxy() {
+		return new WorkflowDataProxy(
+			this.workflow,
+			this.runExecutionData,
+			this.runIndex,
+			this.itemIndex,
+			this.node.name,
+			this.connectionInputData,
+			{},
+			this.mode,
+			getAdditionalKeys(this.additionalData, this.mode, this.runExecutionData),
+			this.executeData,
+		).getDataProxy();
+	}
+
+	getInputSourceData(inputIndex = 0, inputName = 'main'): ISourceData {
+		if (this.executeData?.source === null) {
+			// Should never happen as n8n sets it automatically
+			throw new ApplicationError('Source data is missing');
+		}
+		return this.executeData.source[inputName][inputIndex] as ISourceData;
+	}
+
+	logAiEvent(eventName: AiEvent, msg: string) {
+		return this.additionalData.logAiEvent(eventName, {
+			executionId: this.additionalData.executionId ?? 'unsaved-execution',
+			nodeName: this.node.name,
+			workflowName: this.workflow.name ?? 'Unnamed workflow',
+			nodeType: this.node.type,
+			workflowId: this.workflow.id ?? 'unsaved-workflow',
+			msg,
+		});
+	}
+}

packages/core/src/node-execution-context/index.ts

@@ -1,4 +1,5 @@
 // eslint-disable-next-line import/no-cycle
+export { ExecuteSingleContext } from './execute-single-context';
 export { HookContext } from './hook-context';
 export { LoadOptionsContext } from './load-options-context';
 export { PollContext } from './poll-context';

packages/workflow/src/RoutingNode.ts

@@ -42,6 +42,7 @@ import type {
 	JsonObject,
 	CloseFunction,
 	INodeCredentialDescription,
+	IExecutePaginationFunctions,
 } from './Interfaces';
 import * as NodeHelpers from './NodeHelpers';
 import { sleep } from './utils';
@@ -623,27 +624,28 @@ export class RoutingNode {
 			);
 		}
 
-		const executePaginationFunctions = {
-			...executeSingleFunctions,
-			makeRoutingRequest: async (requestOptions: DeclarativeRestApiSettings.ResultOptions) => {
-				return await this.rawRoutingRequest(
-					executeSingleFunctions,
-					requestOptions,
-					credentialType,
-					credentialsDecrypted,
-				).then(
-					async (data) =>
-						await this.postProcessResponseData(
-							executeSingleFunctions,
-							data,
-							requestData,
-							itemIndex,
-							runIndex,
-						),
-				);
-			},
+		const makeRoutingRequest = async (requestOptions: DeclarativeRestApiSettings.ResultOptions) => {
+			return await this.rawRoutingRequest(
+				executeSingleFunctions,
+				requestOptions,
+				credentialType,
+				credentialsDecrypted,
+			).then(
+				async (data) =>
+					await this.postProcessResponseData(
+						executeSingleFunctions,
+						data,
+						requestData,
+						itemIndex,
+						runIndex,
+					),
+			);
 		};
 
+		const executePaginationFunctions = Object.create(executeSingleFunctions, {
+			makeRoutingRequest: { value: makeRoutingRequest },
+		}) as IExecutePaginationFunctions;
+
 		if (requestData.paginate && requestOperations?.pagination) {
 			// Has pagination