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| Current File : //proc/self/root/proc/self/root/home/ubuntu/node-v16.18.1/test/parallel/test-runner-concurrency.js |
'use strict';
const common = require('../common');
const { describe, it, test } = require('node:test');
const assert = require('assert');
describe('Concurrency option (boolean) = true ', { concurrency: true }, () => {
let isFirstTestOver = false;
it('should start the first test', () => new Promise((resolve) => {
setImmediate(() => { isFirstTestOver = true; resolve(); });
}));
it('should start before the previous test ends', () => {
// Should work even on single core CPUs
assert.strictEqual(isFirstTestOver, false);
});
});
describe(
'Concurrency option (boolean) = false ',
{ concurrency: false },
() => {
let isFirstTestOver = false;
it('should start the first test', () => new Promise((resolve) => {
setImmediate(() => { isFirstTestOver = true; resolve(); });
}));
it('should start after the previous test ends', () => {
assert.strictEqual(isFirstTestOver, true);
});
}
);
{
// Make sure tests run in order when root concurrency is 1 (default)
const tree = [];
const expectedTestTree = common.mustCall(() => {
assert.deepStrictEqual(tree, [
'suite 1', 'nested', 'suite 2',
'1', '2', 'nested 1', 'nested 2',
'test', 'test 1', 'test 2',
]);
});
describe('suite 1', () => {
tree.push('suite 1');
it('1', () => tree.push('1'));
it('2', () => tree.push('2'));
describe('nested', () => {
tree.push('nested');
it('nested 1', () => tree.push('nested 1'));
it('nested 2', () => tree.push('nested 2'));
});
});
test('test', async (t) => {
tree.push('test');
await t.test('test1', () => tree.push('test 1'));
await t.test('test 2', () => tree.push('test 2'));
});
describe('suite 2', () => {
tree.push('suite 2');
it('should run after other suites', expectedTestTree);
});
}
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