node/test/parallel/test-runner-output.mjs

// Flags: --expose-internals
import * as common from '../common/index.mjs';
import * as fixtures from '../common/fixtures.mjs';
import * as snapshot from '../common/assertSnapshot.js';
import { describe, it } from 'node:test';
import { hostname } from 'node:os';
import { chdir, cwd } from 'node:process';
import { fileURLToPath } from 'node:url';
import internalTTy from 'internal/tty';

const skipForceColors =
  process.config.variables.icu_gyp_path !== 'tools/icu/icu-generic.gyp' ||
  process.config.variables.node_shared_openssl;

const canColorize = internalTTy.getColorDepth() > 2;
const skipCoverageColors = !canColorize;

function replaceTestDuration(str) {
  return str
    .replaceAll(/duration_ms: [0-9.]+/g, 'duration_ms: *')
    .replaceAll(/duration_ms [0-9.]+/g, 'duration_ms *');
}

const root = fileURLToPath(new URL('../..', import.meta.url)).slice(0, -1);

const color = '(\\[\\d+m)';
const stackTraceBasePath = new RegExp(`${color}\\(${root.replaceAll(/[\\^$*+?.()|[\]{}]/g, '\\$&')}/?${color}(.*)${color}\\)`, 'g');

function replaceSpecDuration(str) {
  return str
    .replaceAll(/[0-9.]+ms/g, '*ms')
    .replaceAll(/duration_ms [0-9.]+/g, 'duration_ms *')
    .replace(stackTraceBasePath, '$3');
}

function replaceJunitDuration(str) {
  return str
    .replaceAll(/time="[0-9.]+"/g, 'time="*"')
    .replaceAll(/duration_ms [0-9.]+/g, 'duration_ms *')
    .replaceAll(`hostname="${hostname()}"`, 'hostname="HOSTNAME"')
    .replace(stackTraceBasePath, '$3');
}

function removeWindowsPathEscaping(str) {
  return common.isWindows ? str.replaceAll(/\\\\/g, '\\') : str;
}

function replaceTestLocationLine(str) {
  return str.replaceAll(/(js:)(\d+)(:\d+)/g, '$1(LINE)$3');
}

// The Node test coverage returns results for all files called by the test. This
// will make the output file change if files like test/common/index.js change.
// This transform picks only the first line and then the lines from the test
// file.
function pickTestFileFromLcov(str) {
  const lines = str.split(/\n/);
  const firstLineOfTestFile = lines.findIndex(
    (line) => line.startsWith('SF:') && line.trim().endsWith('output.js')
  );
  const lastLineOfTestFile = lines.findIndex(
    (line, index) => index > firstLineOfTestFile && line.trim() === 'end_of_record'
  );
  return (
    lines[0] + '\n' + lines.slice(firstLineOfTestFile, lastLineOfTestFile + 1).join('\n') + '\n'
  );
}

const defaultTransform = snapshot.transform(
  snapshot.replaceWindowsLineEndings,
  snapshot.replaceStackTrace,
  removeWindowsPathEscaping,
  snapshot.transformProjectRoot(),
  snapshot.replaceWindowsPaths,
  replaceTestDuration,
  replaceTestLocationLine,
);
const specTransform = snapshot.transform(
  replaceSpecDuration,
  snapshot.replaceWindowsLineEndings,
  snapshot.replaceStackTrace,
  snapshot.replaceWindowsPaths,
);
const junitTransform = snapshot.transform(
  replaceJunitDuration,
  snapshot.replaceWindowsLineEndings,
  snapshot.replaceStackTrace,
  snapshot.replaceWindowsPaths,
);
const lcovTransform = snapshot.transform(
  snapshot.replaceWindowsLineEndings,
  snapshot.replaceStackTrace,
  snapshot.transformProjectRoot(),
  snapshot.replaceWindowsPaths,
  pickTestFileFromLcov
);


const tests = [
  { name: 'test-runner/output/abort.js', flags: ['--test-reporter=tap'] },
  {
    name: 'test-runner/output/abort-runs-after-hook.js',
    flags: ['--test-reporter=tap'],
  },
  { name: 'test-runner/output/abort_suite.js', flags: ['--test-reporter=tap'] },
  { name: 'test-runner/output/abort_hooks.js', flags: ['--test-reporter=tap'] },
  { name: 'test-runner/output/describe_it.js', flags: ['--test-reporter=tap'] },
  {
    name: 'test-runner/output/describe_nested.js',
    flags: ['--test-reporter=tap'],
  },
  { name: 'test-runner/output/eval_dot.js', transform: specTransform },
  { name: 'test-runner/output/eval_spec.js', transform: specTransform },
  { name: 'test-runner/output/eval_tap.js' },
  {
    name: 'test-runner/output/filtered-suite-delayed-build.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/filtered-suite-order.mjs',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/filtered-suite-throws.js',
    flags: ['--test-reporter=tap'],
  },
  { name: 'test-runner/output/hooks.js', flags: ['--test-reporter=tap'] },
  { name: 'test-runner/output/hooks_spec_reporter.js', transform: specTransform },
  { name: 'test-runner/output/skip-each-hooks.js', transform: specTransform },
  { name: 'test-runner/output/suite-skip-hooks.js', transform: specTransform },
  {
    name: 'test-runner/output/timeout_in_before_each_should_not_affect_further_tests.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/test-timeout-flag.js',
    flags: [
      '--test-reporter=tap',
      '--test-timeout=20',
    ],
  },
  // --test-timeout should work with or without --test flag
  {
    name: 'test-runner/output/test-timeout-flag.js',
    flags: [
      '--test-reporter=tap',
      '--test-timeout=20',
      '--test',
    ],
  },
  {
    name: 'test-runner/output/hooks-with-no-global-test.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/global-hooks-with-no-tests.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/before-and-after-each-too-many-listeners.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/before-and-after-each-with-timeout-too-many-listeners.js',
    flags: ['--test-reporter=tap'],
  },
  { name: 'test-runner/output/force_exit.js', transform: specTransform },
  {
    name: 'test-runner/output/global_after_should_fail_the_test.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/no_refs.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/no_tests.js',
    flags: ['--test-reporter=tap'],
  },
  { name: 'test-runner/output/only_tests.js', flags: ['--test-reporter=tap'] },
  { name: 'test-runner/output/dot_reporter.js', transform: specTransform },
  { name: 'test-runner/output/junit_reporter.js', transform: junitTransform },
  { name: 'test-runner/output/spec_reporter_successful.js', transform: specTransform },
  { name: 'test-runner/output/spec_reporter.js', transform: specTransform },
  { name: 'test-runner/output/spec_reporter_cli.js', transform: specTransform },
  {
    name: 'test-runner/output/source_mapped_locations.mjs',
    flags: ['--test-reporter=tap'],
  },
  process.features.inspector ?
    {
      name: 'test-runner/output/lcov_reporter.js',
      transform: lcovTransform
    } :
    false,
  { name: 'test-runner/output/output.js', flags: ['--test-reporter=tap'] },
  { name: 'test-runner/output/output_cli.js' },
  {
    name: 'test-runner/output/name_and_skip_patterns.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/name_pattern.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/name_pattern_with_only.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/skip_pattern.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/unfinished-suite-async-error.js',
    flags: ['--test-reporter=tap'],
  },
  { name: 'test-runner/output/default_output.js', transform: specTransform, tty: true },
  {
    name: 'test-runner/output/arbitrary-output.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/non-tty-forced-color-output.js',
    transform: specTransform,
  },
  canColorize ? {
    name: 'test-runner/output/assertion-color-tty.mjs',
    flags: ['--test', '--stack-trace-limit=0'],
    transform: specTransform,
    tty: true,
  } : false,
  {
    name: 'test-runner/output/async-test-scheduling.mjs',
    flags: ['--test-reporter=tap'],
  },
  !skipForceColors ? {
    name: 'test-runner/output/arbitrary-output-colored.js',
    transform: snapshot.transform(specTransform, replaceTestDuration), tty: true
  } : false,
  { name: 'test-runner/output/dot_output_custom_columns.js', transform: specTransform, tty: true },
  {
    name: 'test-runner/output/tap_escape.js',
    transform: snapshot.transform(
      snapshot.replaceWindowsLineEndings,
      replaceTestDuration,
    ),
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/test-runner-plan.js',
    flags: ['--test-reporter=tap'],
  },
  {
    name: 'test-runner/output/test-runner-watch-spec.mjs',
    transform: specTransform,
  },
  {
    name: 'test-runner/output/test-runner-plan-timeout.js',
    flags: ['--test-reporter=tap', '--test-force-exit'],
  },
  process.features.inspector ? {
    name: 'test-runner/output/coverage_failure.js',
    flags: ['--test-reporter=tap', '--test-coverage-exclude=!test/**'],
  } : false,
  {
    name: 'test-runner/output/test-diagnostic-warning-without-test-only-flag.js',
    flags: ['--test', '--test-reporter=tap'],
  },
  process.features.inspector ? {
    name: 'test-runner/output/coverage-width-40.mjs',
    flags: ['--test-reporter=tap', '--test-coverage-exclude=!test/**'],
  } : false,
  process.features.inspector ? {
    name: 'test-runner/output/coverage-width-80.mjs',
    flags: ['--test-reporter=tap', '--test-coverage-exclude=!test/**'],
  } : false,
  process.features.inspector && !skipCoverageColors ? {
    name: 'test-runner/output/coverage-width-80-color.mjs',
    flags: ['--test-coverage-exclude=!test/**'],
    transform: specTransform,
    tty: true
  } : false,
  process.features.inspector ? {
    name: 'test-runner/output/coverage-width-100.mjs',
    flags: ['--test-reporter=tap', '--test-coverage-exclude=!test/**'],
  } : false,
  process.features.inspector ? {
    name: 'test-runner/output/coverage-width-150.mjs',
    flags: ['--test-reporter=tap', '--test-coverage-exclude=!test/**'],
  } : false,
  process.features.inspector ? {
    name: 'test-runner/output/coverage-width-infinity.mjs',
    flags: ['--test-reporter=tap', '--test-coverage-exclude=!test/**'],
  } : false,
  process.features.inspector ? {
    name: 'test-runner/output/coverage-width-80-uncovered-lines.mjs',
    flags: ['--test-reporter=tap', '--test-coverage-exclude=!test/**'],
  } : false,
  process.features.inspector ? {
    name: 'test-runner/output/coverage-width-100-uncovered-lines.mjs',
    flags: ['--test-reporter=tap', '--test-coverage-exclude=!test/**'],
  } : false,
  process.features.inspector && !skipCoverageColors ? {
    name: 'test-runner/output/coverage-width-80-uncovered-lines-color.mjs',
    flags: ['--test-coverage-exclude=!test/**'],
    transform: specTransform,
    tty: true
  } : false,
  process.features.inspector ? {
    name: 'test-runner/output/coverage-width-150-uncovered-lines.mjs',
    flags: ['--test-reporter=tap', '--test-coverage-exclude=!test/**'],
  } : false,
  process.features.inspector ? {
    name: 'test-runner/output/coverage-width-infinity-uncovered-lines.mjs',
    flags: ['--test-reporter=tap', '--test-coverage-exclude=!test/**'],
  } : false,
  process.features.inspector ? {
    name: 'test-runner/output/coverage-short-filename.mjs',
    flags: ['--test-reporter=tap', '--test-coverage-exclude=../output/**'],
    cwd: fixtures.path('test-runner/coverage-snap'),
  } : false,
  process.features.inspector ? {
    name: 'test-runner/output/typescript-coverage.mts',
    flags: ['--disable-warning=ExperimentalWarning',
            '--test-reporter=tap',
            '--experimental-transform-types',
            '--experimental-test-module-mocks',
            '--experimental-test-coverage',
            '--test-coverage-exclude=!test/**']
  } : false,
]
.filter(Boolean)
.map(({ flags, name, tty, transform, cwd }) => ({
  name,
  fn: common.mustCall(async () => {
    await snapshot.spawnAndAssert(fixtures.path(name), transform ?? defaultTransform, { tty, flags, cwd });
  }),
}));

if (cwd() !== root) {
  chdir(root);
}
describe('test runner output', { concurrency: true }, () => {
  for (const { name, fn } of tests) {
    it(name, fn);
  }
});