test_runner_hooks.js

// Flags: --no-warnings
'use strict';
require('../common');
const assert = require('assert');
const { test, describe, it, before, after, beforeEach, afterEach } = require('node:test');

describe('describe hooks', () => {
  const testArr = [];
  before(function() {
    testArr.push('before ' + this.name);
  });
  after(function() {
    testArr.push('after ' + this.name);
    assert.deepStrictEqual(testArr, [
      'before describe hooks',
      'beforeEach 1', '1', 'afterEach 1',
      'beforeEach 2', '2', 'afterEach 2',
      'beforeEach nested',
      'before nested',
      'beforeEach nested 1', 'nested 1', 'afterEach nested 1',
      'beforeEach nested 2', 'nested 2', 'afterEach nested 2',
      'after nested',
      'afterEach nested',
      'after describe hooks',
    ]);
  });
  beforeEach(function() {
    testArr.push('beforeEach ' + this.name);
  });
  afterEach(function() {
    testArr.push('afterEach ' + this.name);
  });

  it('1', () => testArr.push('1'));
  it('2', () => testArr.push('2'));

  describe('nested', () => {
    before(function() {
      testArr.push('before ' + this.name);
    });
    after(function() {
      testArr.push('after ' + this.name);
    });
    beforeEach(function() {
      testArr.push('beforeEach ' + this.name);
    });
    afterEach(function() {
      testArr.push('afterEach ' + this.name);
    });
    it('nested 1', () => testArr.push('nested 1'));
    it('nested 2', () => testArr.push('nested 2'));
  });
});

describe('before throws', () => {
  before(() => { throw new Error('before'); });
  it('1', () => {});
  it('2', () => {});
});

describe('after throws', () => {
  after(() => { throw new Error('after'); });
  it('1', () => {});
  it('2', () => {});
});

describe('beforeEach throws', () => {
  beforeEach(() => { throw new Error('beforeEach'); });
  it('1', () => {});
  it('2', () => {});
});

describe('afterEach throws', () => {
  afterEach(() => { throw new Error('afterEach'); });
  it('1', () => {});
  it('2', () => {});
});

test('test hooks', async (t) => {
  const testArr = [];
  t.beforeEach((t) => testArr.push('beforeEach ' + t.name));
  t.afterEach((t) => testArr.push('afterEach ' + t.name));
  await t.test('1', () => testArr.push('1'));
  await t.test('2', () => testArr.push('2'));

  await t.test('nested', async (t) => {
    t.beforeEach((t) => testArr.push('nested beforeEach ' + t.name));
    t.afterEach((t) => testArr.push('nested afterEach ' + t.name));
    await t.test('nested 1', () => testArr.push('nested1'));
    await t.test('nested 2', () => testArr.push('nested 2'));
  });

  assert.deepStrictEqual(testArr, [
    'beforeEach 1', '1', 'afterEach 1',
    'beforeEach 2', '2', 'afterEach 2',
    'beforeEach nested',
    'nested beforeEach nested 1', 'nested1', 'nested afterEach nested 1',
    'nested beforeEach nested 2', 'nested 2', 'nested afterEach nested 2',
    'afterEach nested',
  ]);
});

test('t.beforeEach throws', async (t) => {
  t.beforeEach(() => { throw new Error('beforeEach'); });
  await t.test('1', () => {});
  await t.test('2', () => {});
});

test('t.afterEach throws', async (t) => {
  t.afterEach(() => { throw new Error('afterEach'); });
  await t.test('1', () => {});
  await t.test('2', () => {});
});