flagsmith-nodejs/tests/sdk/polling.test.ts

Flagsmith lets you manage features flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features.

import Flagsmith from '../../sdk/index.js';
import { EnvironmentDataPollingManager } from '../../sdk/polling_manager.js';
import { delay } from '../../sdk/utils.js';
vi.mock('../../sdk');

test('test_polling_manager_correctly_stops_if_never_started', async () => {
    const flagsmith = new Flagsmith({
        environmentKey: 'key'
    });

    const pollingManager = new EnvironmentDataPollingManager(flagsmith, 0.1);
    pollingManager.stop();
    expect(flagsmith.updateEnvironment).not.toHaveBeenCalled();
});

test('test_polling_manager_calls_update_environment_on_start', async () => {
    const flagsmith = new Flagsmith({
        environmentKey: 'key'
    });

    const pollingManager = new EnvironmentDataPollingManager(flagsmith, 0.1);
    pollingManager.start();
    await delay(500);
    pollingManager.stop();
    expect(flagsmith.updateEnvironment).toHaveBeenCalled();
});

test('test_polling_manager_handles_double_start', async () => {
    const flagsmith = new Flagsmith({
        environmentKey: 'key'
    });

    const pollingManager = new EnvironmentDataPollingManager(flagsmith, 0.1);
    pollingManager.start();
    await delay(100);
    pollingManager.start();
    await delay(500);
    pollingManager.stop();
    expect(flagsmith.updateEnvironment).toHaveBeenCalled();
});

test('test_polling_manager_calls_update_environment_on_each_refresh', async () => {
    const flagsmith = new Flagsmith({
        environmentKey: 'key'
    });

    const pollingManager = new EnvironmentDataPollingManager(flagsmith, 0.1);
    pollingManager.start();
    await delay(450);
    pollingManager.stop();
    expect(flagsmith.updateEnvironment).toHaveBeenCalledTimes(4);
});