altair-graphql-core/build/plugin/v3/parent-worker.spec.js

Several of the core logic for altair graphql client

import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
import { PLUGIN_SANDBOX_BOOTSTRAP_READY, PLUGIN_SANDBOX_INITIALIZE, PLUGIN_SANDBOX_INITIALIZED, } from './events';
import { PluginParentWorker } from './parent-worker';
describe('PluginParentWorker', () => {
    let worker;
    beforeEach(() => {
        Object.defineProperty(HTMLIFrameElement.prototype, 'sandbox', {
            configurable: true,
            value: { add: vi.fn() },
        });
    });
    afterEach(() => {
        worker?.destroy();
        worker = undefined;
        vi.restoreAllMocks();
        delete HTMLIFrameElement.prototype.sandbox;
    });
    it('initializes script sandboxes with postMessage instead of URL parameters', async () => {
        worker = new PluginParentWorker({
            id: 'plugin-1',
            type: 'scripts',
            sandboxUrl: 'https://sandbox.example/index.html',
            scriptUrls: ['https://plugin.example/index.js'],
            styleUrls: ['https://plugin.example/index.css'],
        });
        const iframe = worker.getIframe();
        const sandboxWindow = iframe.contentWindow;
        expect(sandboxWindow).not.toBeNull();
        if (!sandboxWindow) {
            throw new Error('Expected iframe content window');
        }
        const postMessage = vi.spyOn(sandboxWindow, 'postMessage');
        expect(iframe.src).toBe('https://sandbox.example/index.html?sandbox_type=plugin');
        expect(iframe.src).not.toContain('scriptUrls');
        expect(iframe.src).not.toContain('styleUrls');
        window.dispatchEvent(new MessageEvent('message', {
            origin: 'null',
            source: window,
            data: { type: PLUGIN_SANDBOX_BOOTSTRAP_READY },
        }));
        expect(postMessage).not.toHaveBeenCalled();
        window.dispatchEvent(new MessageEvent('message', {
            origin: 'null',
            source: sandboxWindow,
            data: { type: PLUGIN_SANDBOX_BOOTSTRAP_READY },
        }));
        expect(postMessage).toHaveBeenCalledWith({
            type: PLUGIN_SANDBOX_INITIALIZE,
            payload: {
                params: {
                    sc: window.location.origin,
                    id: 'plugin-1',
                    instanceType: 'main',
                },
                scriptUrls: ['https://plugin.example/index.js'],
                styleUrls: ['https://plugin.example/index.css'],
            },
        }, '*');
        window.dispatchEvent(new MessageEvent('message', {
            origin: 'null',
            source: sandboxWindow,
            data: { type: PLUGIN_SANDBOX_INITIALIZED, frameId: 'plugin-1' },
        }));
        worker.send('plugin-engine::ready');
        await vi.waitFor(() => {
            expect(postMessage).toHaveBeenCalledWith({ type: 'plugin-engine::ready', payload: undefined }, '*');
        });
    });
});
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