playwright/tests/playwright-test/reporter-base.spec.ts

/**
 * Copyright (c) Microsoft Corporation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { test, expect, stripAscii } from './playwright-test-fixtures';
import * as path from 'path';
import colors from 'colors/safe';

test('handle long test names', async ({ runInlineTest }) => {
  const title = 'title'.repeat(30);
  const result = await runInlineTest({
    'a.test.js': `
      const { test } = pwt;
      test('${title}', async ({}) => {
        expect(1).toBe(0);
      });
    `,
  });
  expect(stripAscii(result.output)).toContain('expect(1).toBe');
  expect(result.exitCode).toBe(1);
});

test('print the error name', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'a.spec.ts': `
    const { test } = pwt;
    test('foobar', async ({}) => {
      const error = new Error('my-message');
      error.name = 'FooBarError';
      throw error;
    });
    `
  });
  expect(result.exitCode).toBe(1);
  expect(result.failed).toBe(1);
  expect(result.output).toContain('FooBarError: my-message');
});

test('print should print the error name without a message', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'a.spec.ts': `
    const { test } = pwt;
    test('foobar', async ({}) => {
      const error = new Error();
      error.name = 'FooBarError';
      throw error;
    });
    `
  });
  expect(result.exitCode).toBe(1);
  expect(result.failed).toBe(1);
  expect(result.output).toContain('FooBarError');
});

test('should print an error in a codeframe', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'a.spec.ts': `
      const { test } = pwt;
      test('foobar', async ({}) => {
        const error = new Error('my-message');
        error.name = 'FooBarError';
        throw error;
      });
    `
  }, {}, {
    FORCE_COLOR: '0',
  });
  expect(result.exitCode).toBe(1);
  expect(result.failed).toBe(1);
  expect(result.output).toContain('FooBarError: my-message');
  expect(result.output).not.toContain('at a.spec.ts:7');
  expect(result.output).toContain(`   5 |       const { test } = pwt;`);
  expect(result.output).toContain(`   6 |       test('foobar', async ({}) => {`);
  expect(result.output).toContain(`>  7 |         const error = new Error('my-message');`);
});

test('should print codeframe from a helper', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'helper.ts': `
      export function ohMy() {
        throw new Error('oh my');
      }
    `,
    'a.spec.ts': `
      import { ohMy } from './helper';
      const { test } = pwt;
      test('foobar', async ({}) => {
        ohMy();
      });
    `
  }, {}, {
    FORCE_COLOR: '0',
  });
  expect(result.exitCode).toBe(1);
  expect(result.failed).toBe(1);
  expect(result.output).toContain('Error: oh my');
  expect(result.output).toContain(`   at helper.ts:5`);
  expect(result.output).toContain(`  4 |       export function ohMy() {`);
  expect(result.output).toContain(`> 5 |         throw new Error('oh my');`);
  expect(result.output).toContain(`    |               ^`);
});

test('should print slow tests', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'playwright.config.ts': `
      module.exports = {
        projects: [
          { name: 'foo' },
          { name: 'bar' },
          { name: 'baz' },
          { name: 'qux' },
        ],
        reportSlowTests: { max: 0, threshold: 500 },
      };
    `,
    'dir/a.test.js': `
      const { test } = pwt;
      test('slow test', async ({}) => {
        await new Promise(f => setTimeout(f, 1000));
      });
    `,
    'dir/b.test.js': `
      const { test } = pwt;
      test('fast test', async ({}) => {
        await new Promise(f => setTimeout(f, 100));
      });
    `,
  });
  expect(result.exitCode).toBe(0);
  expect(result.passed).toBe(8);
  expect(stripAscii(result.output)).toContain(`Slow test file: [foo] › dir${path.sep}a.test.js (`);
  expect(stripAscii(result.output)).toContain(`Slow test file: [bar] › dir${path.sep}a.test.js (`);
  expect(stripAscii(result.output)).toContain(`Slow test file: [baz] › dir${path.sep}a.test.js (`);
  expect(stripAscii(result.output)).toContain(`Slow test file: [qux] › dir${path.sep}a.test.js (`);
  expect(stripAscii(result.output)).toContain(`Consider splitting slow test files to speed up parallel execution`);
  expect(stripAscii(result.output)).not.toContain(`Slow test file: [foo] › dir${path.sep}b.test.js (`);
  expect(stripAscii(result.output)).not.toContain(`Slow test file: [bar] › dir${path.sep}b.test.js (`);
  expect(stripAscii(result.output)).not.toContain(`Slow test file: [baz] › dir${path.sep}b.test.js (`);
  expect(stripAscii(result.output)).not.toContain(`Slow test file: [qux] › dir${path.sep}b.test.js (`);
});

test('should not print slow tests', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'playwright.config.ts': `
      module.exports = {
        projects: [
          { name: 'baz' },
          { name: 'qux' },
        ],
        reportSlowTests: null,
      };
    `,
    'dir/a.test.js': `
      const { test } = pwt;
      test('slow test', async ({}) => {
        await new Promise(f => setTimeout(f, 1000));
      });
      test('fast test', async ({}) => {
        await new Promise(f => setTimeout(f, 100));
      });
    `,
  });
  expect(result.exitCode).toBe(0);
  expect(result.passed).toBe(4);
  expect(stripAscii(result.output)).not.toContain('Slow test');
});

test('should print stdio for failures', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'a.test.js': `
      const { test } = pwt;
      test('fails', async ({}) => {
        console.log('my log 1');
        console.error('my error');
        console.log('my log 2');
        expect(1).toBe(2);
      });
    `,
  }, {}, { PWTEST_SKIP_TEST_OUTPUT: '' });
  expect(result.exitCode).toBe(1);
  expect(result.failed).toBe(1);
  expect(result.output).toContain('Test output');
  expect(result.output).toContain([
    'my log 1\n',
    colors.red('my error\n'),
    'my log 2\n',
  ].join(''));
});

test('should print flaky failures', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'a.spec.ts': `
      const { test } = pwt;
      test('foobar', async ({}, testInfo) => {
        expect(testInfo.retry).toBe(1);
      });
    `
  }, { retries: '1', reporter: 'list' });
  expect(result.exitCode).toBe(0);
  expect(result.flaky).toBe(1);
  expect(stripAscii(result.output)).toContain('expect(testInfo.retry).toBe(1)');
});

test('should print flaky timeouts', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'a.spec.ts': `
      const { test } = pwt;
      test('foobar', async ({}, testInfo) => {
        if (!testInfo.retry)
          await new Promise(f => setTimeout(f, 2000));
      });
    `
  }, { retries: '1', reporter: 'list', timeout: '1000' });
  expect(result.exitCode).toBe(0);
  expect(result.flaky).toBe(1);
  expect(stripAscii(result.output)).toContain('Timeout of 1000ms exceeded.');
});

test('should print stack-less errors', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'a.spec.ts': `
      const { test } = pwt;
      test('foobar', async ({}) => {
        const e = new Error('Hello');
        delete e.stack;
        throw e;
      });
    `
  });
  expect(result.exitCode).toBe(1);
  expect(result.failed).toBe(1);
  expect(result.output).toContain('Hello');
});

test('should print errors with inconsistent message/stack', async ({ runInlineTest }) => {
  const result = await runInlineTest({
    'a.spec.ts': `
      const { test } = pwt;
      test('foobar', async function myTest({}) {
        const e = new Error('Hello');
        // Force stack to contain "Hello".
        // Otherwise it is computed lazy and will get 'foo bar' instead.
        e.stack;
        e.message = 'foo bar';
        e.stack = 'hi!' + e.stack;
        throw e;
      });
    `
  });
  expect(result.exitCode).toBe(1);
  expect(result.failed).toBe(1);
  expect(result.output).toContain('hi!Error: Hello');
  expect(result.output).toContain('at myTest');
});

test('should print "no tests found" error', async ({ runInlineTest }) => {
  const result = await runInlineTest({ });
  expect(result.exitCode).toBe(1);
  expect(result.output).toContain('no tests found.');
});