@nymphjs/server/dist/cache.test.js

Nymph.js - REST Server

import express from 'express';
import SQLite3Driver from '@nymphjs/driver-sqlite3';
import { Nymph as NymphServer } from '@nymphjs/nymph';
import { Nymph } from '@nymphjs/client';
import createServer from './index.js';
import { EmployeeModel as EmployeeModelClass, Employee as EmployeeClass, } from './testArtifacts.js';
const sqliteConfig = {
    filename: ':memory:',
};
const nymphServer = new NymphServer({}, new SQLite3Driver(sqliteConfig));
const EmployeeModel = nymphServer.addEntityClass(EmployeeModelClass);
const app = express();
app.use('/test', createServer(nymphServer));
const server = app.listen(5081);
const nymph = new Nymph({
    restUrl: 'http://localhost:5081/test/',
    weakCache: true,
});
const Employee = nymph.addEntityClass(EmployeeClass);
describe('Nymph REST Server and Client with Client Weak Ref Cache', () => {
    async function createJane() {
        const jane = await Employee.factory();
        jane.name = 'Jane Doe';
        jane.current = true;
        jane.salary = 8000000;
        jane.startDate = Date.now();
        jane.subordinates = [];
        jane.title = 'Seniorer Person';
        try {
            await jane.$save();
        }
        catch (e) {
            console.error('Error creating entity: ', e);
            throw e;
        }
        return jane;
    }
    it('change an entity and check weakCache', async () => {
        // @ts-ignore TS doesn't know about WeakRef.
        if (typeof WeakRef === 'undefined') {
            throw new Error('You must run this test in an environment that includes WeakRef.');
        }
        const employee = await createJane();
        if (employee.guid == null) {
            throw new Error('Entity is null.');
        }
        const checkA = await Employee.factory(employee.guid);
        const checkB = await nymph.getEntity({ class: Employee }, { type: '&', guid: employee.guid });
        if (!checkB) {
            throw new Error("Couldn't fetch entity.");
        }
        employee.current = false;
        expect(checkA.current).toEqual(false);
        expect(checkB.current).toEqual(false);
    });
    afterAll(() => {
        server.close(); // avoid jest open handle error
    });
});
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