jest/e2e/__tests__/failures.test.ts

124 lines
4.0 KiB
TypeScript

/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* 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 {extractSummary, runYarnInstall} from '../Utils';
import runJest from '../runJest';
const dir = path.resolve(__dirname, '../failures');
const normalizeDots = (text: string) => text.replace(/\.+$/gm, '.');
function cleanStderr(stderr: string) {
const {rest} = extractSummary(stderr);
return rest
.replace(/.*(jest-jasmine2|jest-circus).*\n/g, '')
.replace(new RegExp('Failed: Object {', 'g'), 'thrown: Object {');
}
beforeAll(() => {
runYarnInstall(dir);
});
test('not throwing Error objects', () => {
let stderr;
stderr = runJest(dir, ['throwNumber.test.js']).stderr;
expect(cleanStderr(stderr)).toMatchSnapshot();
stderr = runJest(dir, ['throwString.test.js']).stderr;
expect(cleanStderr(stderr)).toMatchSnapshot();
stderr = runJest(dir, ['throwObject.test.js']).stderr;
expect(cleanStderr(stderr)).toMatchSnapshot();
stderr = runJest(dir, ['assertionCount.test.js']).stderr;
expect(cleanStderr(stderr)).toMatchSnapshot();
stderr = runJest(dir, ['duringTests.test.js']).stderr;
expect(cleanStderr(stderr)).toMatchSnapshot();
stderr = runJest(dir, ['throwObjectWithStackProp.test.js']).stderr;
expect(cleanStderr(stderr)).toMatchSnapshot();
});
test('works with node assert', () => {
const {stderr} = runJest(dir, ['assertionError.test.js']);
const summary = normalizeDots(cleanStderr(stderr));
expect(summary).toMatchSnapshot();
});
test('works with assertions in separate files', () => {
const {stderr} = runJest(dir, ['testMacro.test.js']);
expect(normalizeDots(cleanStderr(stderr))).toMatchSnapshot();
});
test('works with async failures', () => {
const {stderr} = runJest(dir, ['asyncFailures.test.js']);
const rest = cleanStderr(stderr)
.split('\n')
.filter(line => !line.includes('packages/expect/build/index.js'))
.join('\n');
// Remove replacements when jasmine is gone
const result = normalizeDots(rest)
.replace(/.*thrown:.*\n/, '')
.replace(
/.*Add a timeout value to this test to increase the timeout, if this is a long-running test. See https:\/\/jestjs.io\/docs\/api#testname-fn-timeout.+/,
'<REPLACED>',
)
.replace(/.*Timeout - Async callback was not.*/, '<REPLACED>');
expect(result).toMatchSnapshot();
});
test('works with snapshot failures', () => {
const {stderr} = runJest(dir, ['snapshot.test.js']);
const result = normalizeDots(cleanStderr(stderr));
expect(result.slice(0, result.indexOf('Snapshot Summary'))).toMatchSnapshot();
});
test('works with snapshot failures with hint', () => {
const {stderr} = runJest(dir, ['snapshotWithHint.test.js']);
const result = normalizeDots(cleanStderr(stderr));
expect(result.slice(0, result.indexOf('Snapshot Summary'))).toMatchSnapshot();
});
test('works with error with cause', () => {
const {stderr} = runJest(dir, ['errorWithCause.test.js']);
const summary = normalizeDots(cleanStderr(stderr));
expect(summary).toMatchSnapshot();
});
test('works with error with cause thrown outside tests', () => {
const {stderr} = runJest(dir, ['errorWithCauseInDescribe.test.js']);
const summary = normalizeDots(cleanStderr(stderr));
const sanitizedSummary = summary
.replace(/ Suite\.f /g, ' f ') // added by jasmine runner
.split('\n')
.map(line => line.trim()) // jasmine runner does not come with the same indentation
.join('\n');
expect(
// jasmine runner differ from circus one in this case, we just start
// the comparison when the stack starts to be reported
sanitizedSummary.slice(sanitizedSummary.indexOf('error during f')),
).toMatchSnapshot();
});
test('errors after test has completed', () => {
const {stderr} = runJest(dir, ['errorAfterTestComplete.test.js']);
expect(stderr).toMatch(
/Error(WithStack)?: Caught error after test environment was torn down/,
);
expect(stderr).toMatch(/Failed: "fail async"/);
});