@absolute/change-tracker-node-sdk/test/changeTrackerService.test.js

ChangeTracker SDK for Node.js

const {Table, Row} = require('../src/models');
const {makeChangeTrackerService} = require('../src/changeTrackerService');

test('use changeTrackerService.store to perform diff and store data', async () => {
    const generateToken = () => 'TESTTOKEN';
    const store = () => ({ok: true});
    const diff = () => (new Row('diffModel'));
    const createTable = () => (new Table());

    const changeTrackerService = makeChangeTrackerService({generateToken, store, diff, createTable})
    const service = changeTrackerService('test', 'POSTSECRET', 10);

    const result = await service.store('ACCOUNTTEST', 'currentTestUser', 'test row', new Row('prevModel'), new Row('nextModel'), '127.0.0.1');

    expect(result).toMatchObject({ok: true});
})

test('changeTrackerService.store returns error in case of diff returns null', async () => {
    const generateToken = () => 'TESTTOKEN';
    const store = () => ({ok: true});
    const diff = () => null;
    const createTable = () => (new Table());

    const changeTrackerService = makeChangeTrackerService({generateToken, store, diff, createTable})
    const service = changeTrackerService('test', 'POSTSECRET');

    const result = await service.store('ACCOUNTTEST', 'currentTestUser', 'test row', new Row('prevModel'), new Row('nextModel'), '127.0.0.1');

    expect(result).toMatchObject({ok: false});
    console.log(result.errorText)
})

test('changeTrackerService.store propagates remoteClient error', async () => {
    const generateToken = () => 'TESTTOKEN';
    const remoteClientResponse = {ok: false, errorText: 'TEST ERROR TEXT'};
    const store = () => remoteClientResponse;
    const diff = () => new Row('diffModel');
    const createTable = () => (new Table());

    const changeTrackerService = makeChangeTrackerService({generateToken, store, diff, createTable})
    const service = changeTrackerService('test', 'GETSECRET','POSTSECRET');

    const result = await service.store('ACCOUNTTEST', 'currentTestUser', 'test row', new Row('prevModel'), new Row('nextModel'), '127.0.0.1');

    expect(result).toMatchObject(remoteClientResponse);
})

test('check changeTrackerService.getToken arguments', async () => {
    const generateToken = (...args) => args.reduce((p, c) => p + '-' + c);

    const defaultMockLambda = () => null;

    const changeTrackerService = makeChangeTrackerService({
        generateToken,
        store: defaultMockLambda,
        diff: defaultMockLambda,
        createTable: defaultMockLambda
    })
    const service = changeTrackerService('test', 'GETSECRET', 'POSTSECRET');

    const result = service.getToken('TABLENAME', 'ROWKEY');

    const resultString ='GETSECRET-TABLENAME-ROWKEY-5';

    expect(result).toBe(resultString);
})