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shard.test.ts
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shard.test.ts
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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
import * as path from 'path';
import runJest from '../runJest';
test('--shard=1/1', () => {
const result = runJest('shard', ['--shard=1/1', '--listTests']);
const paths = result.stdout
.split('\n')
.filter(Boolean)
.map(file => path.basename(file));
expect(paths).toEqual(['3.test.js', '2.test.js', '1.test.js']);
});
test('--shard=1/2', () => {
const result = runJest('shard', ['--shard=1/2', '--listTests']);
const paths = result.stdout
.split('\n')
.filter(Boolean)
.map(file => path.basename(file));
expect(paths).toEqual(['2.test.js', '1.test.js']);
});
test('--shard=2/2', () => {
const result = runJest('shard', ['--shard=2/2', '--listTests']);
const paths = result.stdout
.split('\n')
.filter(Boolean)
.map(file => path.basename(file));
expect(paths).toEqual(['3.test.js']);
});
test('--shard=4/4', () => {
const result = runJest('shard', ['--shard=4/4', '--listTests']);
const paths = result.stdout
.split('\n')
.filter(Boolean)
.map(file => path.basename(file));
expect(paths).toEqual([]);
});