How to use instrumenter method in stryker-parent

Best JavaScript code snippet using stryker-parent

preprocessor.js

Source:preprocessor.js

1// Coverage Preprocessor2// =====================3//4// Depends on the the reporter to generate an actual report5// Dependencies6// ------------7const { createInstrumenter } = require('istanbul-lib-instrument')8const minimatch = require('minimatch')9const path = require('path')10const globalSourceMapStore = require('./source-map-store')11const globalCoverageMap = require('./coverage-map')12// Regexes13// -------14const coverageObjRegex = /\{.*"path".*"fnMap".*"statementMap".*"branchMap".*\}/g15// Preprocessor creator function16function createCoveragePreprocessor (logger, basePath, reporters = [], coverageReporter = {}) {17  const log = logger.create('preprocessor.coverage')18  // Options19  // -------20  function isConstructor (Func) {21    try {22      // eslint-disable-next-line23      new Func()24    } catch (err) {25      // error message should be of the form: "TypeError: func is not a constructor"26      // test for this type of message to ensure we failed due to the function not being27      // constructable28      if (/TypeError.*constructor/.test(err.message)) {29        return false30      }31    }32    return true33  }34  function getCreatorFunction (Obj) {35    if (Obj.Instrumenter) {36      return function (opts) {37        return new Obj.Instrumenter(opts)38      }39    }40    if (typeof Obj !== 'function') {41      // Object doesn't have old instrumenter variable and isn't a42      // constructor, so we can't use it to create an instrumenter43      return null44    }45    if (isConstructor(Obj)) {46      return function (opts) {47        return new Obj(opts)48      }49    }50    return Obj51  }52  const instrumenters = { istanbul: createInstrumenter }53  const instrumenterOverrides = coverageReporter.instrumenter || {}54  const { includeAllSources = false, useJSExtensionForCoffeeScript = false } = coverageReporter55  Object.entries(coverageReporter.instrumenters || {}).forEach(([literal, instrumenter]) => {56    const creatorFunction = getCreatorFunction(instrumenter)57    if (creatorFunction) {58      instrumenters[literal] = creatorFunction59    }60  })61  const sourceMapStore = globalSourceMapStore.get(basePath)62  const instrumentersOptions = Object.keys(instrumenters).reduce((memo, key) => {63    memo[key] = {}64    if (coverageReporter.instrumenterOptions) {65      memo[key] = coverageReporter.instrumenterOptions[key]66    }67    return memo68  }, {})69  // if coverage reporter is not used, do not preprocess the files70  if (!reporters.includes('coverage')) {71    log.info('coverage not included in reporters %s', reporters)72    return function (content, _, done) {73      done(content)74    }75  }76  log.debug('coverage included in reporters %s', reporters)77  // check instrumenter override requests78  function checkInstrumenters () {79    const keys = Object.keys(instrumenters)80    return Object.values(instrumenterOverrides).some(literal => {81      const notIncluded = !keys.includes(String(literal))82      if (notIncluded) {83        log.error('Unknown instrumenter: %s', literal)84      }85      return notIncluded86    })87  }88  if (checkInstrumenters()) {89    return function (content, _, done) {90      return done(1)91    }92  }93  return function (content, file, done) {94    log.debug('Processing "%s".', file.originalPath)95    const jsPath = path.resolve(file.originalPath)96    // 'istanbul' is default instrumenters97    const instrumenterLiteral = Object.keys(instrumenterOverrides).reduce((res, pattern) => {98      if (minimatch(file.originalPath, pattern, { dot: true })) {99        return instrumenterOverrides[pattern]100      }101      return res102    }, 'istanbul')103    const instrumenterCreator = instrumenters[instrumenterLiteral]104    const constructOptions = instrumentersOptions[instrumenterLiteral] || {}105    let options = Object.assign({}, constructOptions)106    let codeGenerationOptions = null107    options.autoWrap = options.autoWrap || !options.noAutoWrap108    if (file.sourceMap) {109      log.debug('Enabling source map generation for "%s".', file.originalPath)110      codeGenerationOptions = Object.assign({}, {111        format: {112          compact: !constructOptions.noCompact113        },114        sourceMap: file.sourceMap.file,115        sourceMapWithCode: true,116        file: file.path117      }, constructOptions.codeGenerationOptions || {})118      options.produceSourceMap = true119    }120    options = Object.assign({}, options, { codeGenerationOptions: codeGenerationOptions })121    const instrumenter = instrumenterCreator(options)122    instrumenter.instrument(content, jsPath, function (err, instrumentedCode) {123      if (err) {124        log.error('%s\n  at %s', err.message, file.originalPath)125        done(err.message)126      } else {127        // Register the incoming sourceMap for transformation during reporting (if it exists)128        if (file.sourceMap) {129          sourceMapStore.registerMap(jsPath, file.sourceMap)130        }131        // Add merged source map (if it merged correctly)132        const lastSourceMap = instrumenter.lastSourceMap()133        if (lastSourceMap) {134          log.debug('Adding source map to instrumented file for "%s".', file.originalPath)135          file.sourceMap = lastSourceMap136          instrumentedCode += '\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,'137          instrumentedCode += Buffer.from(JSON.stringify(lastSourceMap)).toString('base64') + '\n'138        }139        if (includeAllSources) {140          let coverageObj141          // Check if the file coverage object is exposed from the instrumenter directly142          if (instrumenter.lastFileCoverage) {143            coverageObj = instrumenter.lastFileCoverage()144            globalCoverageMap.add(coverageObj)145          } else {146            // Attempt to match and parse coverage object from instrumented code147            // reset stateful regex148            coverageObjRegex.lastIndex = 0149            const coverageObjMatch = coverageObjRegex.exec(instrumentedCode)150            if (coverageObjMatch !== null) {151              coverageObj = JSON.parse(coverageObjMatch[0])152              globalCoverageMap.add(coverageObj)153            }154          }155        }156        // RequireJS expects JavaScript files to end with `.js`157        if (useJSExtensionForCoffeeScript && instrumenterLiteral === 'ibrik') {158          file.path = file.path.replace(/\.coffee$/, '.js')159        }160        done(instrumentedCode)161      }162    }, file.sourceMap)163  }164}165createCoveragePreprocessor.$inject = [166  'logger',167  'config.basePath',168  'config.reporters',169  'config.coverageReporter'170]...

index.js

Source:index.js

1'use strict';2Object.defineProperty(exports, "__esModule", {3  value: true4});5exports.readInitialCoverage = exports.programVisitor = exports.createInstrumenter = undefined;6var _instrumenter = require('./instrumenter');7var _instrumenter2 = _interopRequireDefault(_instrumenter);8var _visitor = require('./visitor');9var _visitor2 = _interopRequireDefault(_visitor);10var _readCoverage = require('./read-coverage');11var _readCoverage2 = _interopRequireDefault(_readCoverage);12function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }13/**14 * createInstrumenter creates a new instrumenter with the15 * supplied options.16 * @param {Object} opts - instrumenter options. See the documentation17 * for the Instrumenter class.18 */19function createInstrumenter(opts) {20  return new _instrumenter2.default(opts);21}22exports.createInstrumenter = createInstrumenter;23exports.programVisitor = _visitor2.default;...

Using AI Code Generation

1var stryker = require('stryker-parent');2var instrumenter = new stryker.Instrumenter();3var instrumentedCode = instrumenter.instrumentSync('var foo = "bar";', 'test.js');4console.log(instrumentedCode);5var _$jscoverage = {'/test.js': {'path': '/test.js', 's': {'1': 0}, 'b': {}, 'f': {'1': 0}, 'fnMap': {'1': {'name': '(anonymous_1)', 'line': 1, 'loc': {'start': {'line': 1, 'column': 0}, 'end': {'line': 1, 'column': 17}}}}, 'statementMap': {'1': {'start': {'line': 1, 'column': 0}, 'end': {'line': 1, 'column': 17}}}, 'branchMap': {}}}; _$jscoverage['/test.js'].s['1']++; var foo = "bar";6var _$jscoverage = _$jscoverage || {};

Using AI Code Generation

1var instrumenter = require('stryker-parent').instrumenter;2var code = 'function foo() { return 1; }';3var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');4console.log(instrumentedCode);5module.exports = function(config) {6  config.set({7    babelOptions: {8    }9  });10};11[2017-08-10 09:08:42.440] [ERROR] StrykerCli - SyntaxError: Unexpected token (1:8)12    at Parser.pp$4.raise (/Users/alexander/Code/stryker-test/node_modules/acorn/dist/acorn.js:2221:15)13    at Parser.pp.unexpected (/Users/alexander/Code/stryker-test/node_modules/acorn/dist/acorn.js:603:10)14    at Parser.pp$3.parseExprAtom (/Users/alexander/Code/stryker-test/node_modules/acorn/dist/acorn.js:1822:12)15    at Parser.pp$3.parseExprSubscripts (/Users/alexander/Code/stryker-test/node_modules/acorn/dist/acorn.js:1715:21)16    at Parser.pp$3.parseMaybeUnary (/Users/alexander/Code/stryker-test/node_modules/acorn/dist/acorn.js:1692:19)17    at Parser.pp$3.parseExprOps (/Users/alexander/Code/stryker-test/node_modules/acorn/dist/acorn.js:1637:21)18    at Parser.pp$3.parseMaybeConditional (/Users/alexander/Code/stryker-test/node_modules/acorn/dist/acorn.js:1620:21)19    at Parser.pp$3.parseMaybeAssign (/Users/alexander/Code/stry

Using AI Code Generation

1var stryker = require('stryker-parent').instrumenter;2var instrumenter = new stryker.Instrumenter();3var code = 'var x = 1;';4var result = instrumenter.instrumentSync(code, 'test.js');5console.log(result);6var stryker = require('stryker-parent').instrumenter;7var instrumenter = new stryker.Instrumenter();8var code = 'var x = 1;';9instrumenter.instrument(code, 'test.js', function (result) {10  console.log(result);11});12var stryker = require('stryker-parent').instrumenter;13var instrumenter = new stryker.Instrumenter();14var code = 'var x = 1;';15instrumenter.instrument(code, 'test.js').then(function (result) {16  console.log(result);17});18var stryker = require('stryker-parent').instrumenter;19var instrumenter = new stryker.Instrumenter();20var code = 'var x = 1;';21var result = instrumenter.instrumentSync(code, 'test.js');22console.log(result);23var stryker = require('stryker-parent').instrumenter;24var instrumenter = new stryker.Instrumenter();25var code = 'var x = 1;';26instrumenter.instrument(code, 'test.js', function (result) {27  console.log(result);28});29var stryker = require('stryker-parent').instrumenter;30var instrumenter = new stryker.Instrumenter();31var code = 'var x = 1;';32instrumenter.instrument(code, 'test.js').then(function (result) {33  console.log(result);34});

Using AI Code Generation

1const fs = require('fs');2const path = require('path');3const instrumenter = require('stryker-parent').instrumenter;4const source = fs.readFileSync(path.resolve(__dirname, 'source.js'), 'utf8');5const instrumented = instrumenter.instrumentSync(source, 'source.js');6fs.writeFileSync(path.resolve(__dirname, 'instrumented.js'), instrumented);7const a = 1;8const b = 2;9const c = a + b;10console.log(c);11const __stryker2__ = require('stryker-api/mutant');12const __stryker__ = __stryker2__.default;13const __strykerMutantId__ = __stryker2__.mutantId;14const __strykerMutantRunId__ = __stryker2__.mutantRunId;15const __strykerMutantRunResult__ = __stryker2__.mutantRunResult;16const __strykerMutantRunResultStatus__ = __stryker2__.mutantRunResultStatus;17const __strykerMutantRunResultStatusKilled__ = __stryker2__.mutantRunResultStatusKilled;18const __strykerMutantRunResultStatusSurvived__ = __stryker2__.mutantRunResultStatusSurvived;19const __strykerMutantRunResultStatusTimedOut__ = __stryker2__.mutantRunResultStatusTimedOut;20const __strykerMutantRunResultStatusNoCoverage__ = __stryker2__.mutantRunResultStatusNoCoverage;21const __strykerMutantRunResultStatusCompileError__ = __stryker2__.mutantRunResultStatusCompileError;22const __strykerMutantRunResultStatusRuntimeError__ = __stryker2__.mutantRunResultStatusRuntimeError;23const __strykerMutantRunResultStatusTranspileError__ = __stryker2__.mutantRunResultStatusTranspileError;24const __strykerMutantRunResultStatusIgnored__ = __stryker2__.mutantRunResultStatusIgnored;25const __strykerMutantRunResultStatusError__ = __stryker2__.mutantRunResultStatusError;26const __strykerMutantRunResultStatusUnknown__ = __stryker2__.mutantRunResultStatusUnknown;

Using AI Code Generation

1var instrumenter = require('stryker-parent').instrumenter;2var instrumentedCode = instrumenter.instrumentSync('var foo = "bar";');3console.log(instrumentedCode);4var instrumenter = require('istanbul').Instrumenter;5module.exports = {6    instrumenter: new instrumenter()7};8{9    "dependencies": {10    }11}

Using AI Code Generation

1const { instrumenter } = require('stryker-parent');2const code = `function add(a, b) { return a + b; }`;3const result = instrumenter.instrument(code, 'test.js');4console.log(result);5const { instrumenter } = require('stryker-parent');6const code = `function add(a, b) { return a + b; }`;7const result = instrumenter.instrument(code, 'test.js');8console.log(result);9const { instrumenter } = require('stryker-parent');10const code = `function add(a, b) { return a + b; }`;11const result = instrumenter.instrument(code, 'test.js');12console.log(result);13const { instrumenter } = require('stryker-parent');14const code = `function add(a, b) { return a + b; }`;15const result = instrumenter.instrument(code, 'test.js');16console.log(result);17const { instrumenter } = require('stryker-parent');18const code = `function add(a, b) { return a + b; }`;19const result = instrumenter.instrument(code, 'test.js');20console.log(result);21const { instrumenter } = require('stryker-parent');22const code = `function add(a, b) { return a + b; }`;23const result = instrumenter.instrument(code, 'test.js');24console.log(result);25const { instrumenter } = require('stryker-parent');

Using AI Code Generation

1var instrumenter = require('stryker-parent').instrumenter;2var code = 'var foo = 1;';3var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');4console.log(instrumentedCode);5var instrumenter = require('stryker-parent').instrumenter;6var code = 'var foo = 1;';7instrumenter.instrument(code, 'test.js', function (error, instrumentedCode) {8    console.log(instrumentedCode);9});10var instrumenter = require('stryker-parent').instrumenter;11instrumenter.coverageAnalysis = 'perTest';12instrumenter.excludes = ['**/node_modules/**', '**/bower_components/**', '**/*.spec.js'];13var log4js = require('log4js');14log4js.configure({15        { type: 'console' }16});17var instrumenter = require('stryker-parent').instrumenter;18instrumenter.setLogger(log4js.getLogger('stryker'));

Using AI Code Generation

1var stryker = require('stryker-parent');2var instrumenter = stryker.instrumenter;3var code = 'var a = 1;';4var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');5console.log(instrumentedCode);6var stryker = require('stryker-parent');7var instrumenter = stryker.instrumenter;8var code = 'var a = 1;';9var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');10console.log(instrumentedCode);11var stryker = require('stryker-parent');12var instrumenter = stryker.instrumenter;13var code = 'var a = 1;';14var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');15console.log(instrumentedCode);16var stryker = require('stryker-parent');17var instrumenter = stryker.instrumenter;18var code = 'var a = 1;';19var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');20console.log(instrumentedCode);21var stryker = require('stryker-parent');22var instrumenter = stryker.instrumenter;23var code = 'var a = 1;';24var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');25console.log(instrumentedCode);26var stryker = require('stryker-parent');27var instrumenter = stryker.instrumenter;28var code = 'var a = 1;';29var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');30console.log(instrumentedCode);31var stryker = require('stryker-parent');32var instrumenter = stryker.instrumenter;33var code = 'var a = 1;';34var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');35console.log(instrumentedCode);36var stryker = require('stryker-parent');37var instrumenter = stryker.instrumenter;38var code = 'var a = 1;';

Using AI Code Generation

1const { instrumenter } = require('stryker-parent');2instrumenter.instrument('test.js', 'test.js', 1, (err, content) => {3  if (err) {4    console.error(err);5  } else {6    console.log(content);7  }8});9const { instrumenter } = require('stryker-parent');10instrumenter.instrument('test.js', 'test.js', 1, (err, content) => {11  if (err) {12    console.error(err);13  } else {14    console.log(content);15  }16});17const { instrumenter } = require('stryker-parent');18instrumenter.instrument('test.js', 'test.js', 1, (err, content) => {19  if (err) {20    console.error(err);21  } else {22    console.log(content);23  }24});25const { instrumenter } = require('stryker-parent');26instrumenter.instrument('test.js', 'test.js', 1, (err, content) => {27  if (err) {28    console.error(err);29  } else {30    console.log(content);31  }32});33const { instrumenter } = require('stryker-parent');34instrumenter.instrument('test.js', 'test.js', 1, (err, content) => {35  if (err) {36    console.error(err);37  } else {38    console.log(content);39  }40});41const { instrumenter } = require('stryker-parent');42instrumenter.instrument('test.js', 'test.js', 1, (err, content) => {43  if (err) {44    console.error(err);45  } else {46    console.log(content);47  }48});49const { instrumenter } = require('stryker-parent');50instrumenter.instrument('test.js', 'test.js', 1, (err, content) => {51  if (err) {52    console.error(err);53  } else {

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