Vitest
npm install @tracera/vitest
Tested on Node.js 22.19–26.12 and Vitest 2–5.0 (see Autotest adapters). @tracera/vitest on npm.
In vitest.config.ts:
import { defineConfig } from 'vitest/config';
import { tracera } from '@tracera/vitest/plugin';
export default defineConfig({
plugins: [tracera()],
});
The plugin wires the custom runner, setup file, and reporter. You can still set test.runner / setupFiles / reporters manually if you prefer.
Environment variables, run mode, and retries: Autotest adapters.
Retry Env key: VITEST_RETRY.
Bind testCaseId and autotestName
Import test, expect, and hooks from vitest, and tracera and annotations from @tracera/vitest. The plugin wires the runner, setup, and reporter so stock beforeEach / afterEach map to the result’s Setup / Teardown.
At declaration (preferred — bind runs even if the body skips early):
import { test, expect } from 'vitest';
import { annotations } from '@tracera/vitest';
test('login', { meta: annotations(42, 'e2e/login') }, async () => {
expect(true).toBe(true);
});
Inside the test (optional if annotations already bind the case):
import { test, expect } from 'vitest';
import { tracera } from '@tracera/vitest';
test('login', async () => {
tracera.testCase(42, 'e2e/login');
expect(true).toBe(true);
});
Skip
Use stock Vitest skip (test.skip, or skip(reason) from the test context). The skip reason is added to the result as comment.
import { test } from 'vitest';
import { annotations } from '@tracera/vitest';
test('login', { meta: annotations(42, 'e2e/login') }, async ({ skip }) => {
if (!process.env.READY) skip('env not ready');
});
Steps
Use tracera.step: the call tracera.step(title, fn), @tracera.step("…") on a class method, or tracera.step("…")(fn). In a decorator title, {name} / {0} are filled from the method arguments; you can also pass a function that returns the title. In the call form, {name} / {0} are not filled in — pass a finished title string (or build it yourself). Async methods and Promises are awaited. With the Tracera plugin (or an explicit runner: "@tracera/vitest/runner"), steps inside stock beforeEach / afterEach go to the result’s Setup / Teardown. Suite-level hooks such as beforeAll / afterAll are not reported.
import { test, beforeEach, afterEach } from 'vitest';
import { tracera } from '@tracera/vitest';
beforeEach(async () => {
await tracera.step('open shop', async () => {
// …
});
});
test('checkout', async () => {
tracera.testCase(10, 'e2e/checkout');
await tracera.step('add to cart', async () => {
// …
});
});
afterEach(async () => {
await tracera.step('cleanup', async () => {
// …
});
});
Decorator on a method:
import { tracera } from '@tracera/vitest';
class Cart {
@tracera.step('add {item}')
async addToCart(item: string) {
// …
}
}
Comments, errors, and attachments
Comments, errors, and attachments: Autotest adapters.
import { test } from 'vitest';
import { tracera } from '@tracera/vitest';
test('login', async () => {
tracera.testCase(42, 'e2e/login');
tracera.comment('result-level note');
tracera.error('result-level error text');
await tracera.step('open login', async () => {
tracera.comment('landed on login');
tracera.attachment({
fileName: 'suite-log.txt',
mimeType: 'text/plain',
data: new TextEncoder().encode('finished login flow'),
});
});
});
Parameterized tests
With test.each / test.for, wrap the callback: annotations(id, 'login as {login}', fn) so fields from the row object fill {login} and similar placeholders. Optional {param_id} is the Vitest test name for that row.
import { test, expect } from 'vitest';
import { annotations } from '@tracera/vitest';
test.each([{ login: 'ok' }, { login: 'sso' }])(
'login as $login',
annotations(42, 'login as {login}', async ({ login }) => {
expect(login).toBeTruthy();
}),
);