mirror of https://github.com/facebook/jest.git
120 lines
4.0 KiB
TypeScript
120 lines
4.0 KiB
TypeScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import * as path from 'path';
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import * as fs from 'graceful-fs';
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import type {FormattedTestResults} from '@jest/test-result';
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import runJest from '../runJest';
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describe('JSON Reporter', () => {
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const outputFileName = 'sum.result.json';
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const outputFilePath = path.join(
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process.cwd(),
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'e2e/json-reporter/',
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outputFileName,
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);
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afterAll(() => {
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fs.unlinkSync(outputFilePath);
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});
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it('writes test result to sum.result.json', () => {
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let jsonResult: FormattedTestResults;
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runJest('json-reporter', ['--json', `--outputFile=${outputFileName}`]);
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const testOutput = fs.readFileSync(outputFilePath, 'utf8');
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expect(testOutput.endsWith('\n')).toBe(true);
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try {
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jsonResult = JSON.parse(testOutput);
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} catch (error: any) {
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throw new Error(
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`Can't parse the JSON result from ${outputFileName}, ${error.toString()}`,
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);
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}
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expect(jsonResult.numTotalTests).toBe(4);
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expect(jsonResult.numTotalTestSuites).toBe(1);
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expect(jsonResult.numRuntimeErrorTestSuites).toBe(0);
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expect(jsonResult.numPassedTests).toBe(2);
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expect(jsonResult.numFailedTests).toBe(1);
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expect(jsonResult.numPendingTests).toBe(1);
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const noAncestors = jsonResult.testResults[0].assertionResults.find(
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item => item.title === 'no ancestors',
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);
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let expected = {ancestorTitles: [] as Array<string>};
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expect(noAncestors).toEqual(expect.objectContaining(expected));
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expect(noAncestors).toHaveProperty('duration', expect.any(Number));
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const addsNumbers = jsonResult.testResults[0].assertionResults.find(
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item => item.title === 'adds numbers',
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);
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expected = {ancestorTitles: ['sum']};
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expect(addsNumbers).toEqual(expect.objectContaining(expected));
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expect(addsNumbers).toHaveProperty('duration', expect.any(Number));
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const failsTheTest = jsonResult.testResults[0].assertionResults.find(
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item => item.title === 'fails the test',
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);
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expected = {ancestorTitles: ['sum', 'failing tests']};
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expect(failsTheTest).toEqual(expect.objectContaining(expected));
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expect(failsTheTest).toHaveProperty('duration', expect.any(Number));
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const skipedTest = jsonResult.testResults[0].assertionResults.find(
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item => item.title === 'skipped test',
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);
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expect(skipedTest).toHaveProperty('duration', null);
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});
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it('outputs coverage report', () => {
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const result = runJest('json-reporter', ['--json'], {
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keepTrailingNewline: true,
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});
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let jsonResult: FormattedTestResults;
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expect(result.stderr).toMatch(/1 failed, 1 skipped, 2 passed/);
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expect(result.exitCode).toBe(1);
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expect(result.stdout.endsWith('\n')).toBe(true);
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try {
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jsonResult = JSON.parse(result.stdout);
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} catch (error: any) {
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throw new Error(
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`Can't parse the JSON result from stdout${error.toString()}`,
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);
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}
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expect(jsonResult.numTotalTests).toBe(4);
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expect(jsonResult.numTotalTestSuites).toBe(1);
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expect(jsonResult.numRuntimeErrorTestSuites).toBe(0);
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expect(jsonResult.numPassedTests).toBe(2);
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expect(jsonResult.numFailedTests).toBe(1);
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expect(jsonResult.numPendingTests).toBe(1);
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const noAncestors = jsonResult.testResults[0].assertionResults.find(
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item => item.title === 'no ancestors',
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);
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let expected = {ancestorTitles: [] as Array<string>};
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expect(noAncestors).toEqual(expect.objectContaining(expected));
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const addsNumbers = jsonResult.testResults[0].assertionResults.find(
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item => item.title === 'adds numbers',
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);
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expected = {ancestorTitles: ['sum']};
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expect(addsNumbers).toEqual(expect.objectContaining(expected));
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const failsTheTest = jsonResult.testResults[0].assertionResults.find(
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item => item.title === 'fails the test',
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);
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expected = {ancestorTitles: ['sum', 'failing tests']};
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expect(failsTheTest).toEqual(expect.objectContaining(expected));
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});
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});
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