n8n/packages/core/test/Credentials.test.ts

import { Credentials } from '../src';

describe('Credentials', () => {

		describe('without nodeType set', () => {

				test('should be able to set and read key data without initial data set', () => {

						const credentials = new Credentials('testName', 'testType', []);

						const key = 'key1';
						const password = 'password';
						// const nodeType = 'base.noOp';
						const newData = 1234;

						credentials.setDataKey(key, newData, password);

						expect(credentials.getDataKey(key, password)).toEqual(newData);
				});

				test('should be able to set and read key data with initial data set', () => {

						const key = 'key2';
						const password = 'password';

						// Saved under "key1"
						const initialData = 4321;
						const initialDataEncoded = 'U2FsdGVkX1+0baznXt+Ag/ub8A2kHLyoLxn/rR9h4XQ=';

						const credentials = new Credentials('testName', 'testType', [], initialDataEncoded);

						const newData = 1234;

						// Set and read new data
						credentials.setDataKey(key, newData, password);
						expect(credentials.getDataKey(key, password)).toEqual(newData);

						// Read the data which got provided encrypted on init
						expect(credentials.getDataKey('key1', password)).toEqual(initialData);
				});

		});

		describe('with nodeType set', () => {

				test('should be able to set and read key data without initial data set', () => {

						const nodeAccess = [
								{
										nodeType: 'base.noOp',
										user: 'userName',
										date: new Date(),
								},
						];

						const credentials = new Credentials('testName', 'testType', nodeAccess);

						const key = 'key1';
						const password = 'password';
						const nodeType = 'base.noOp';
						const newData = 1234;

						credentials.setDataKey(key, newData, password);

						// Should be able to read with nodeType which has access
						expect(credentials.getDataKey(key, password, nodeType)).toEqual(newData);

						// Should not be able to read with nodeType which does NOT have access
						// expect(credentials.getDataKey(key, password, 'base.otherNode')).toThrowError(Error);
						try {
								credentials.getDataKey(key, password, 'base.otherNode');
								expect(true).toBe(false);
						} catch (e) {
								expect(e.message).toBe('The node of type "base.otherNode" does not have access to credentials "testName" of type "testType".');
						}

						// Get the data which will be saved in database
						const dbData = credentials.getDataToSave();
						expect(dbData.name).toEqual('testName');
						expect(dbData.type).toEqual('testType');
						expect(dbData.nodesAccess).toEqual(nodeAccess);
						// Compare only the first 6 characters as the rest seems to change with each execution
						expect(dbData.data!.slice(0, 6)).toEqual('U2FsdGVkX1+wpQWkj+YTzaPSNTFATjnlmFKIsUTZdhk='.slice(0, 6));
				});
		});

});