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[tests] migrate from jest to vitest (#3940)

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This is a big change, but I think it's a good move, as `vitest` is much
more modern than `jest`.

I'm excited about the UI watch feature (run `npm run test:ui`), for
example - it's really helpful and saves time when debugging tests. I had
to adjust a few tests because they had time related issues, but
basically we are now testing the same things - even a bit better and
less flaky (I hope).

What do you think?
This commit is contained in:
Kristjan ESPERANTO
2025-11-03 19:47:01 +01:00
committed by GitHub
parent b542f33a0a
commit 462abf7027
30 changed files with 2370 additions and 3562 deletions
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47
tests/e2e/helpers/global-setup.js
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@@ -20,16 +20,41 @@ var indexData = [];
var cssData = [];
exports.startApplication = async (configFilename, exec) => {
jest.resetModules();
vi.resetModules();
// Clear Node's require cache for config and app files to prevent stale configs and middlewares
Object.keys(require.cache).forEach((key) => {
if (
key.includes("/tests/configs/")
|| key.includes("/config/config")
|| key.includes("/js/app.js")
|| key.includes("/js/server.js")
) {
delete require.cache[key];
}
});
if (global.app) {
await this.stopApplication();
}
// Use fixed port 8080 (tests run sequentially, no conflicts)
const port = 8080;
global.testPort = port;
// Set config sample for use in test
let configPath;
if (configFilename === "") {
process.env.MM_CONFIG_FILE = "config/config.js";
configPath = "config/config.js";
} else {
process.env.MM_CONFIG_FILE = configFilename;
configPath = configFilename;
}
process.env.MM_CONFIG_FILE = configPath;
// Override port in config - MUST be set before app loads
process.env.MM_PORT = port.toString();
process.env.mmTestMode = "true";
process.setMaxListeners(0);
if (exec) exec;
@@ -38,24 +63,30 @@ exports.startApplication = async (configFilename, exec) => {
return global.app.start();
};
exports.stopApplication = async (waitTime = 10) => {
exports.stopApplication = async (waitTime = 100) => {
if (global.window) {
// no closing causes jest errors and memory leaks
// no closing causes test errors and memory leaks
global.window.close();
delete global.window;
// give above closing some extra time to finish
await new Promise((resolve) => setTimeout(resolve, waitTime));
}
if (!global.app) {
delete global.testPort;
return Promise.resolve();
}
await global.app.stop();
delete global.app;
delete global.testPort;
// Small delay to ensure clean shutdown
await new Promise((resolve) => setTimeout(resolve, waitTime));
};
exports.getDocument = () => {
return new Promise((resolve) => {
const url = `http://${config.address || "localhost"}:${config.port || "8080"}`;
const port = global.testPort || config.port || 8080;
const url = `http://${config.address || "localhost"}:${port}`;
jsdom.JSDOM.fromURL(url, { resources: "usable", runScripts: "dangerously" }).then((dom) => {
dom.window.name = "jsdom";
global.window = dom.window;