How to use filterLeaks method in Mocha

Best JavaScript code snippet using mocha

leakList.js

Source:leakList.js

...277        excludeAnd.prop('checked', true);278    } else {279        excludeOr.prop('checked', true);280    }281    filterLeaks()282}283function filterLeaks() {284    articles = []285    articlesRaw.each(function (_, k) {286            let tags = []287            let tagA = $(k).find(".tags")288            if (tagA.length !== 0)289                tagA.find(".tag").each(function (_, e) {290                    tags[tags.length] = ($(e).text())291                })292            let include = includeTags.length === 0293            // include logic294            if (includeOr.is(':checked')) {295                for (let i in tags) {296                    let tag = tags[i]297                    if (includeTags.includes(tag)) {...

runner.js

Source:runner.js

...96 * @api private97 */98Runner.prototype.checkGlobals = function(test){99  if (this.ignoreLeaks) return;100  var leaks = filterLeaks(this._globals);101  this._globals = this._globals.concat(leaks);102  if (leaks.length > 1) {103    this.fail(test, new Error('global leaks detected: ' + leaks.join(', ') + ''));104  } else if (leaks.length) {105    this.fail(test, new Error('global leak detected: ' + leaks[0]));106  }107};108/**109 * Fail the given `test`.110 *111 * @param {Test} test112 * @param {Error} err113 * @api private114 */115Runner.prototype.fail = function(test, err){116  ++this.failures;117  test.state = 'failed';118  if ('string' == typeof err) {119    err = new Error('the string "' + err + '" was thrown, throw an Error :)');120  }121  this.emit('fail', test, err);122};123/**124 * Fail the given `hook` with `err`.125 *126 * Hook failures (currently) hard-end due127 * to that fact that a failing hook will128 * surely cause subsequent tests to fail,129 * causing jumbled reporting.130 *131 * @param {Hook} hook132 * @param {Error} err133 * @api private134 */135Runner.prototype.failHook = function(hook, err){136  this.fail(hook, err);137  this.emit('end');138};139/**140 * Run hook `name` callbacks and then invoke `fn()`.141 *142 * @param {String} name143 * @param {Function} function144 * @api private145 */146Runner.prototype.hook = function(name, fn){147  var suite = this.suite148    , hooks = suite['_' + name]149    , ms = suite._timeout150    , self = this151    , timer;152  function next(i) {153    var hook = hooks[i];154    if (!hook) return fn();155    self.currentRunnable = hook;156    self.emit('hook', hook);157    hook.on('error', function(err){158      self.failHook(hook, err);159    });160    hook.run(function(err){161      hook.removeAllListeners('error');162      if (err) return self.failHook(hook, err);163      self.emit('hook end', hook);164      next(++i);165    });166  }167  process.nextTick(function(){168    next(0);169  });170};171/**172 * Run hook `name` for the given array of `suites`173 * in order, and callback `fn(err)`.174 *175 * @param {String} name176 * @param {Array} suites177 * @param {Function} fn178 * @api private179 */180Runner.prototype.hooks = function(name, suites, fn){181  var self = this182    , orig = this.suite;183  function next(suite) {184    self.suite = suite;185    if (!suite) {186      self.suite = orig;187      return fn();188    }189    self.hook(name, function(err){190      if (err) {191        self.suite = orig;192        return fn(err);193      }194      next(suites.pop());195    });196  }197  next(suites.pop());198};199/**200 * Run hooks from the top level down.201 *202 * @param {String} name203 * @param {Function} fn204 * @api private205 */206Runner.prototype.hookUp = function(name, fn){207  var suites = [this.suite].concat(this.parents()).reverse();208  this.hooks(name, suites, fn);209};210/**211 * Run hooks from the bottom up.212 *213 * @param {String} name214 * @param {Function} fn215 * @api private216 */217Runner.prototype.hookDown = function(name, fn){218  var suites = [this.suite].concat(this.parents());219  this.hooks(name, suites, fn);220};221/**222 * Return an array of parent Suites from223 * closest to furthest.224 *225 * @return {Array}226 * @api private227 */228Runner.prototype.parents = function(){229  var suite = this.suite230    , suites = [];231  while (suite = suite.parent) suites.push(suite);232  return suites;233};234/**235 * Run the current test and callback `fn(err)`.236 *237 * @param {Function} fn238 * @api private239 */240Runner.prototype.runTest = function(fn){241  var test = this.test242    , self = this;243  try {244    test.on('error', function(err){245      self.fail(test, err);246    });247    test.run(fn);248  } catch (err) {249    fn(err);250  }251};252/**253 * Run tests in the given `suite` and invoke254 * the callback `fn()` when complete.255 *256 * @param {Suite} suite257 * @param {Function} fn258 * @api private259 */260Runner.prototype.runTests = function(suite, fn){261  var self = this262    , tests = suite.tests263    , test;264  function next(err) {265    // if we bail after first err266    if (self.failures && suite._bail) return fn();267    // next test268    test = tests.shift();269    // all done270    if (!test) return fn();271    // grep272    if (!self._grep.test(test.fullTitle())) return next();273    // pending274    if (test.pending) {275      self.emit('pending', test);276      self.emit('test end', test);277      return next();278    }279    // execute test and hook(s)280    self.emit('test', self.test = test);281    self.hookDown('beforeEach', function(){282      self.currentRunnable = self.test;283      self.runTest(function(err){284        test = self.test;285        if (err) {286          self.fail(test, err);287          self.emit('test end', test);288          return self.hookUp('afterEach', next);289        }290        test.state = 'passed';291        self.emit('pass', test);292        self.emit('test end', test);293        self.hookUp('afterEach', next);294      });295    });296  }297  this.next = next;298  next();299};300/**301 * Run the given `suite` and invoke the302 * callback `fn()` when complete.303 *304 * @param {Suite} suite305 * @param {Function} fn306 * @api private307 */308Runner.prototype.runSuite = function(suite, fn){309  var total = this.grepTotal(suite)310    , self = this311    , i = 0;312  debug('run suite %s', suite.fullTitle());313  if (!total) return fn();314  this.emit('suite', this.suite = suite);315  function next() {316    var curr = suite.suites[i++];317    if (!curr) return done();318    self.runSuite(curr, next);319  }320  function done() {321    self.suite = suite;322    self.hook('afterAll', function(){323      self.emit('suite end', suite);324      fn();325    });326  }327  this.hook('beforeAll', function(){328    self.runTests(suite, next);329  });330};331/**332 * Handle uncaught exceptions.333 *334 * @param {Error} err335 * @api private336 */337Runner.prototype.uncaught = function(err){338  debug('uncaught exception');339  var runnable = this.currentRunnable;340  if ('failed' == runnable.state) return;341  runnable.clearTimeout();342  err.uncaught = true;343  this.fail(runnable, err);344  // recover from test345  if ('test' == runnable.type) {346    this.emit('test end', runnable);347    this.hookUp('afterEach', this.next);348    return;349  }350  // bail on hooks351  this.emit('end');352};353/**354 * Run the root suite and invoke `fn(failures)`355 * on completion.356 *357 * @param {Function} fn358 * @return {Runner} for chaining359 * @api public360 */361Runner.prototype.run = function(fn){362  var self = this363    , fn = fn || function(){};364  debug('start');365  // callback366  this.on('end', function(){367    debug('end');368    process.removeListener('uncaughtException', this.uncaught);369    fn(self.failures);370  });371  // run suites372  this.emit('start');373  this.runSuite(this.suite, function(){374    debug('finished running');375    self.emit('end');376  });377  // uncaught exception378  process.on('uncaughtException', function(err){379    self.uncaught(err);380  });381  return this;382};383/**384 * Filter leaks with the given globals flagged as `ok`.385 *386 * @param {Array} ok387 * @return {Array}388 * @api private389 */390function filterLeaks(ok) {391  return filter(keys(global), function(key){392    var matched = filter(ok, function(ok){393      return 0 == key.indexOf(ok.split('*')[0]);394    });395    return matched.length == 0 && (!global.navigator || 'onerror' !== key);396  });...

globalLeaks.js

Source:globalLeaks.js

...77		var globals = this.getGlobals();78		var leaks;79		80		if (ok.length + ignored.length === globals.length) return [];81		leaks = this.filterLeaks(globals);82		this._globals = this._globals.concat(leaks);83		return leaks;84	};85	86	GlobalChecker.prototype.checkGlobals = function(test) {87		if (!this.shouldCheckGlobals(test)) {88			this.testSkiped = true;89			return;90		}91		92		var leaks = this.checkNewGlobals();93		94		if (leaks.length > 1) {95			this.runner.fail(test, new Error(leaks.length + ' global leaks detected: ' + leaks.join(', ') + ''));...

Using AI Code Generation

1var mocha = new Mocha({reporter: 'spec'});2mocha.addFile('./test.js');3mocha.run(function(failures){4  process.on('exit', function () {5    process.exit(failures);6  });7});8  0 passing (9ms)

Using AI Code Generation

1var mocha = require('mocha');2var filterLeaks = mocha.utils.filterLeaks;3var myLeaks = ['myLeak1', 'myLeak2'];4var filteredLeaks = filterLeaks(myLeaks);5var mocha = require('mocha');6var filterLeaks = mocha.utils.filterLeaks;7var myLeaks = ['myLeak1', 'myLeak2'];8var filteredLeaks = filterLeaks(myLeaks);

Using AI Code Generation

1var filterLeaks = require('mocha/lib/utils').filterLeaks;2var leaks = filterLeaks(['global', 'window', 'document', 'console']);3console.log(leaks);4var filterLeaks = require('mocha/lib/utils').filterLeaks;5var leaks = filterLeaks(['global', 'window', 'document', 'console']);6console.log(leaks);7var filterLeaks = require('mocha/lib/utils').filterLeaks;8var leaks = filterLeaks(['global', 'window', 'document', 'console']);9console.log(leaks);10var filterLeaks = require('mocha/lib/utils').filterLeaks;11var leaks = filterLeaks(['global', 'window', 'document', 'console']);12console.log(leaks);13var filterLeaks = require('mocha/lib/utils').filterLeaks;14var leaks = filterLeaks(['global', 'window', 'document', 'console']);15console.log(leaks);16var filterLeaks = require('mocha/lib/utils').filterLeaks;17var leaks = filterLeaks(['global', 'window', 'document', 'console']);18console.log(leaks);19var filterLeaks = require('mocha/lib/utils').filterLeaks;20var leaks = filterLeaks(['global', 'window', 'document', 'console']);21console.log(leaks);22var filterLeaks = require('mocha/lib/utils').filterLeaks;23var leaks = filterLeaks(['global', 'window', 'document', 'console']);24console.log(leaks);

Using AI Code Generation

1var MochaLeaks = require('mocha-leaks');2MochaLeaks.filterLeaks('global', 'console');3var MochaLeaks = require('mocha-leaks');4MochaLeaks.filterLeaks('global', 'console');5module.exports = function(grunt) {6  grunt.loadNpmTasks('grunt-mocha-leaks');7  grunt.initConfig({8    mochaLeaks: {9      options: {10      },11    }12  });13};14var gulp = require('gulp');15var mochaLeaks = require('gulp-mocha-leaks');16gulp.task('default', function() {17  return gulp.src('test/**/*.js')18    .pipe(mochaLeaks({leaks: ['global', 'console']}));19});20module.exports = function(config) {21  config.set({22    preprocessors: {23    },24    mochaLeaksReporter: {25    }26  });27};28var MochaLeaks = require('mocha-leaks');29MochaLeaks.filterLeaks('global');30var MochaLeaks = require('mocha-leaks');31MochaLeaks.filterLeaks('console');32var MochaLeaks = require('mocha-leaks');33MochaLeaks.filterLeaks('process');

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.