English

pool

Type:

export type RstestPoolOptions = {
  /** Pool used to run tests in. */
  type?: 'fork';
  /** Maximum number or percentage of workers to run tests in. */
  maxWorkers?: number | string;
  /** Minimum number or percentage of workers to run tests in. */
  minWorkers?: number | string;
  /** Pass additional arguments to node process in the child processes. */
  execArgv?: string[];
};

Default:

const defaultPool = {
  type: 'fork'
  maxWorkers: available CPUs
  minWorkers: available CPUs
}

Options of pool used to run tests in.

Example

Run all tests inside a single child process.

rstest.config.ts

import { defineConfig } from '@rstest/core';

export default defineConfig({
  pool: {
    type: 'forks',
    maxWorkers: 1,
    minWorkers: 1,
  },
});