refactor: Overhaul nodes-testing setup - Part 3 (no-changelog) (#14967)

packages/core/nodes-testing/credentials-helper.ts

@@ -0,0 +1,77 @@
+import { Service } from '@n8n/di';
+import { ICredentialsHelper } from 'n8n-workflow';
+import type {
+	ICredentialDataDecryptedObject,
+	IHttpRequestHelper,
+	IHttpRequestOptions,
+	INode,
+	INodeCredentialsDetails,
+	IWorkflowExecuteAdditionalData,
+} from 'n8n-workflow';
+
+import { Credentials } from '../dist/credentials';
+import { CredentialTypes } from './credential-types';
+
+@Service()
+export class CredentialsHelper extends ICredentialsHelper {
+	private credentialsMap: Record<string, ICredentialDataDecryptedObject> = {};
+
+	constructor(private readonly credentialTypes: CredentialTypes) {
+		super();
+	}
+
+	setCredentials(credentialsMap: Record<string, ICredentialDataDecryptedObject>) {
+		this.credentialsMap = credentialsMap;
+	}
+
+	getCredentialsProperties() {
+		return [];
+	}
+
+	async authenticate(
+		credentials: ICredentialDataDecryptedObject,
+		typeName: string,
+		requestParams: IHttpRequestOptions,
+	): Promise<IHttpRequestOptions> {
+		const credentialType = this.credentialTypes.getByName(typeName);
+		if (typeof credentialType.authenticate === 'function') {
+			return await credentialType.authenticate(credentials, requestParams);
+		}
+		return requestParams;
+	}
+
+	async preAuthentication(
+		_helpers: IHttpRequestHelper,
+		_credentials: ICredentialDataDecryptedObject,
+		_typeName: string,
+		_node: INode,
+		_credentialsExpired: boolean,
+	): Promise<ICredentialDataDecryptedObject | undefined> {
+		return undefined;
+	}
+
+	getParentTypes(_name: string): string[] {
+		return [];
+	}
+
+	async getDecrypted(
+		_additionalData: IWorkflowExecuteAdditionalData,
+		_nodeCredentials: INodeCredentialsDetails,
+		type: string,
+	): Promise<ICredentialDataDecryptedObject> {
+		return this.credentialsMap[type] ?? {};
+	}
+
+	async getCredentials(
+		_nodeCredentials: INodeCredentialsDetails,
+		_type: string,
+	): Promise<Credentials> {
+		return new Credentials({ id: null, name: '' }, '', '');
+	}
+
+	async updateCredentials(
+		_nodeCredentials: INodeCredentialsDetails,
+		_type: string,
+		_data: ICredentialDataDecryptedObject,
+	): Promise<void> {}
+}