@jest/core/build/runJest.js

'use strict';

Object.defineProperty(exports, '__esModule', {
  value: true
});
exports.default = runJest;
function path() {
  const data = _interopRequireWildcard(require('path'));
  path = function () {
    return data;
  };
  return data;
}
function _perf_hooks() {
  const data = require('perf_hooks');
  _perf_hooks = function () {
    return data;
  };
  return data;
}
function _chalk() {
  const data = _interopRequireDefault(require('chalk'));
  _chalk = function () {
    return data;
  };
  return data;
}
function _exit() {
  const data = _interopRequireDefault(require('exit'));
  _exit = function () {
    return data;
  };
  return data;
}
function fs() {
  const data = _interopRequireWildcard(require('graceful-fs'));
  fs = function () {
    return data;
  };
  return data;
}
function _console() {
  const data = require('@jest/console');
  _console = function () {
    return data;
  };
  return data;
}
function _testResult() {
  const data = require('@jest/test-result');
  _testResult = function () {
    return data;
  };
  return data;
}
function _jestResolve() {
  const data = _interopRequireDefault(require('jest-resolve'));
  _jestResolve = function () {
    return data;
  };
  return data;
}
function _jestUtil() {
  const data = require('jest-util');
  _jestUtil = function () {
    return data;
  };
  return data;
}
function _jestWatcher() {
  const data = require('jest-watcher');
  _jestWatcher = function () {
    return data;
  };
  return data;
}
var _SearchSource = _interopRequireDefault(require('./SearchSource'));
var _TestScheduler = require('./TestScheduler');
var _collectHandles = _interopRequireDefault(require('./collectHandles'));
var _getNoTestsFoundMessage = _interopRequireDefault(
  require('./getNoTestsFoundMessage')
);
var _runGlobalHook = _interopRequireDefault(require('./runGlobalHook'));
function _interopRequireDefault(obj) {
  return obj && obj.__esModule ? obj : {default: obj};
}
function _getRequireWildcardCache(nodeInterop) {
  if (typeof WeakMap !== 'function') return null;
  var cacheBabelInterop = new WeakMap();
  var cacheNodeInterop = new WeakMap();
  return (_getRequireWildcardCache = function (nodeInterop) {
    return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
  })(nodeInterop);
}
function _interopRequireWildcard(obj, nodeInterop) {
  if (!nodeInterop && obj && obj.__esModule) {
    return obj;
  }
  if (obj === null || (typeof obj !== 'object' && typeof obj !== 'function')) {
    return {default: obj};
  }
  var cache = _getRequireWildcardCache(nodeInterop);
  if (cache && cache.has(obj)) {
    return cache.get(obj);
  }
  var newObj = {};
  var hasPropertyDescriptor =
    Object.defineProperty && Object.getOwnPropertyDescriptor;
  for (var key in obj) {
    if (key !== 'default' && Object.prototype.hasOwnProperty.call(obj, key)) {
      var desc = hasPropertyDescriptor
        ? Object.getOwnPropertyDescriptor(obj, key)
        : null;
      if (desc && (desc.get || desc.set)) {
        Object.defineProperty(newObj, key, desc);
      } else {
        newObj[key] = obj[key];
      }
    }
  }
  newObj.default = obj;
  if (cache) {
    cache.set(obj, newObj);
  }
  return newObj;
}
/**
 * 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.
 */

const getTestPaths = async (
  globalConfig,
  source,
  outputStream,
  changedFiles,
  jestHooks,
  filter
) => {
  const data = await source.getTestPaths(globalConfig, changedFiles, filter);
  if (!data.tests.length && globalConfig.onlyChanged && data.noSCM) {
    new (_console().CustomConsole)(outputStream, outputStream).log(
      'Jest can only find uncommitted changed files in a git or hg ' +
        'repository. If you make your project a git or hg ' +
        'repository (`git init` or `hg init`), Jest will be able ' +
        'to only run tests related to files changed since the last ' +
        'commit.'
    );
  }
  const shouldTestArray = await Promise.all(
    data.tests.map(test =>
      jestHooks.shouldRunTestSuite({
        config: test.context.config,
        duration: test.duration,
        testPath: test.path
      })
    )
  );
  const filteredTests = data.tests.filter((_test, i) => shouldTestArray[i]);
  return {
    ...data,
    allTests: filteredTests.length,
    tests: filteredTests
  };
};
const processResults = async (runResults, options) => {
  const {
    outputFile,
    json: isJSON,
    onComplete,
    outputStream,
    testResultsProcessor,
    collectHandles
  } = options;
  if (collectHandles) {
    runResults.openHandles = await collectHandles();
  } else {
    runResults.openHandles = [];
  }
  if (testResultsProcessor) {
    const processor = await (0, _jestUtil().requireOrImportModule)(
      testResultsProcessor
    );
    runResults = await processor(runResults);
  }
  if (isJSON) {
    if (outputFile) {
      const cwd = (0, _jestUtil().tryRealpath)(process.cwd());
      const filePath = path().resolve(cwd, outputFile);
      fs().writeFileSync(
        filePath,
        `${JSON.stringify((0, _testResult().formatTestResults)(runResults))}\n`
      );
      outputStream.write(
        `Test results written to: ${path().relative(cwd, filePath)}\n`
      );
    } else {
      process.stdout.write(
        `${JSON.stringify((0, _testResult().formatTestResults)(runResults))}\n`
      );
    }
  }
  onComplete?.(runResults);
};
const testSchedulerContext = {
  firstRun: true,
  previousSuccess: true
};
async function runJest({
  contexts,
  globalConfig,
  outputStream,
  testWatcher,
  jestHooks = new (_jestWatcher().JestHook)().getEmitter(),
  startRun,
  changedFilesPromise,
  onComplete,
  failedTestsCache,
  filter
}) {
  // Clear cache for required modules - there might be different resolutions
  // from Jest's config loading to running the tests
  _jestResolve().default.clearDefaultResolverCache();
  const Sequencer = await (0, _jestUtil().requireOrImportModule)(
    globalConfig.testSequencer
  );
  const sequencer = new Sequencer();
  let allTests = [];
  if (changedFilesPromise && globalConfig.watch) {
    const {repos} = await changedFilesPromise;
    const noSCM = Object.keys(repos).every(scm => repos[scm].size === 0);
    if (noSCM) {
      process.stderr.write(
        `\n${_chalk().default.bold(
          '--watch'
        )} is not supported without git/hg, please use --watchAll\n`
      );
      (0, _exit().default)(1);
    }
  }
  const searchSources = contexts.map(
    context => new _SearchSource.default(context)
  );
  _perf_hooks().performance.mark('jest/getTestPaths:start');
  const testRunData = await Promise.all(
    contexts.map(async (context, index) => {
      const searchSource = searchSources[index];
      const matches = await getTestPaths(
        globalConfig,
        searchSource,
        outputStream,
        changedFilesPromise && (await changedFilesPromise),
        jestHooks,
        filter
      );
      allTests = allTests.concat(matches.tests);
      return {
        context,
        matches
      };
    })
  );
  _perf_hooks().performance.mark('jest/getTestPaths:end');
  if (globalConfig.shard) {
    if (typeof sequencer.shard !== 'function') {
      throw new Error(
        `Shard ${globalConfig.shard.shardIndex}/${globalConfig.shard.shardCount} requested, but test sequencer ${Sequencer.name} in ${globalConfig.testSequencer} has no shard method.`
      );
    }
    allTests = await sequencer.shard(allTests, globalConfig.shard);
  }
  allTests = await sequencer.sort(allTests);
  if (globalConfig.listTests) {
    const testsPaths = Array.from(new Set(allTests.map(test => test.path)));
    /* eslint-disable no-console */
    if (globalConfig.json) {
      console.log(JSON.stringify(testsPaths));
    } else {
      console.log(testsPaths.join('\n'));
    }
    /* eslint-enable */

    onComplete &&
      onComplete((0, _testResult().makeEmptyAggregatedTestResult)());
    return;
  }
  if (globalConfig.onlyFailures) {
    if (failedTestsCache) {
      allTests = failedTestsCache.filterTests(allTests);
    } else {
      allTests = await sequencer.allFailedTests(allTests);
    }
  }
  const hasTests = allTests.length > 0;
  if (!hasTests) {
    const {exitWith0, message: noTestsFoundMessage} = (0,
    _getNoTestsFoundMessage.default)(testRunData, globalConfig);
    if (exitWith0) {
      new (_console().CustomConsole)(outputStream, outputStream).log(
        noTestsFoundMessage
      );
    } else {
      new (_console().CustomConsole)(outputStream, outputStream).error(
        noTestsFoundMessage
      );
      (0, _exit().default)(1);
    }
  } else if (
    allTests.length === 1 &&
    globalConfig.silent !== true &&
    globalConfig.verbose !== false
  ) {
    const newConfig = {
      ...globalConfig,
      verbose: true
    };
    globalConfig = Object.freeze(newConfig);
  }
  let collectHandles;
  if (globalConfig.detectOpenHandles) {
    collectHandles = (0, _collectHandles.default)();
  }
  if (hasTests) {
    _perf_hooks().performance.mark('jest/globalSetup:start');
    await (0, _runGlobalHook.default)({
      allTests,
      globalConfig,
      moduleName: 'globalSetup'
    });
    _perf_hooks().performance.mark('jest/globalSetup:end');
  }
  if (changedFilesPromise) {
    const changedFilesInfo = await changedFilesPromise;
    if (changedFilesInfo.changedFiles) {
      testSchedulerContext.changedFiles = changedFilesInfo.changedFiles;
      const sourcesRelatedToTestsInChangedFilesArray = (
        await Promise.all(
          contexts.map(async (_, index) => {
            const searchSource = searchSources[index];
            return searchSource.findRelatedSourcesFromTestsInChangedFiles(
              changedFilesInfo
            );
          })
        )
      ).reduce((total, paths) => total.concat(paths), []);
      testSchedulerContext.sourcesRelatedToTestsInChangedFiles = new Set(
        sourcesRelatedToTestsInChangedFilesArray
      );
    }
  }
  const scheduler = await (0, _TestScheduler.createTestScheduler)(
    globalConfig,
    {
      startRun,
      ...testSchedulerContext
    }
  );

  // @ts-expect-error - second arg is unsupported (but harmless) in Node 14
  _perf_hooks().performance.mark('jest/scheduleAndRun:start', {
    detail: {
      numTests: allTests.length
    }
  });
  const results = await scheduler.scheduleTests(allTests, testWatcher);
  _perf_hooks().performance.mark('jest/scheduleAndRun:end');
  _perf_hooks().performance.mark('jest/cacheResults:start');
  sequencer.cacheResults(allTests, results);
  _perf_hooks().performance.mark('jest/cacheResults:end');
  if (hasTests) {
    _perf_hooks().performance.mark('jest/globalTeardown:start');
    await (0, _runGlobalHook.default)({
      allTests,
      globalConfig,
      moduleName: 'globalTeardown'
    });
    _perf_hooks().performance.mark('jest/globalTeardown:end');
  }
  _perf_hooks().performance.mark('jest/processResults:start');
  await processResults(results, {
    collectHandles,
    json: globalConfig.json,
    onComplete,
    outputFile: globalConfig.outputFile,
    outputStream,
    testResultsProcessor: globalConfig.testResultsProcessor
  });
  _perf_hooks().performance.mark('jest/processResults:end');
}