How to use arrangeSingleMutant method in stryker-parent

Best JavaScript code snippet using stryker-parent

statement-mutant-placer.spec.ts

Source:statement-mutant-placer.spec.ts

...30      expect(actual).true;31    });32  });33  describe(statementMutantPlacer.place.name, () => {34    function arrangeSingleMutant() {35      const ast = parseJS('const foo = a + b');36      const statement = findNodePath<types.VariableDeclaration>(ast, (p) => p.isVariableDeclaration());37      const nodeToMutate = findNodePath<types.BinaryExpression>(ast, (p) => p.isBinaryExpression());38      const mutant = new Mutant('1', 'file.js', nodeToMutate.node, {39        replacement: types.binaryExpression('>>>', types.identifier('bar'), types.identifier('baz')),40        mutatorName: 'fooMutator',41      });42      const appliedMutants = new Map([[mutant, mutant.applied(statement.node)]]);43      return { statement, appliedMutants, ast };44    }45    it('should be able to place a mutant in a statement', () => {46      // Arrange47      const { statement, appliedMutants, ast } = arrangeSingleMutant();48      // Act49      statementMutantPlacer.place(statement, appliedMutants);50      const actualCode = normalizeWhitespaces(generate(ast).code);51      // Assert52      expect(actualCode).contains(normalizeWhitespaces('if (stryMutAct_9fa48("1")) { const foo = bar >>> baz; } else '));53    });54    it('should keep block statements in tact', () => {55      // Arrange56      const ast = parseJS('function add(a, b) { return a + b; }');57      const statement = findNodePath<types.BlockStatement>(ast, (p) => p.isBlockStatement());58      const originalNodePath = findNodePath<types.BinaryExpression>(ast, (p) => p.isBinaryExpression());59      const mutant = createMutant({60        original: originalNodePath.node,61        replacement: types.binaryExpression('>>>', types.identifier('a'), types.identifier('b')),62      });63      const appliedMutants = new Map([[mutant, mutant.applied(statement.node)]]);64      // Act65      statementMutantPlacer.place(statement, appliedMutants);66      const actualCode = normalizeWhitespaces(generate(ast).code);67      // Assert68      expect(actualCode).matches(/function\s*add\s*\(a,\s*b\)\s*{.*}/);69    });70    it('should place the original code as alternative (inside `else`)', () => {71      const { ast, appliedMutants, statement } = arrangeSingleMutant();72      statementMutantPlacer.place(statement, appliedMutants);73      const actualCode = normalizeWhitespaces(generate(ast).code);74      expect(actualCode).matches(/else\s*{.*const foo = a \+ b;\s*\}/);75    });76    it('should add mutant coverage syntax', () => {77      const { ast, appliedMutants, statement } = arrangeSingleMutant();78      statementMutantPlacer.place(statement, appliedMutants);79      const actualCode = normalizeWhitespaces(generate(ast).code);80      expect(actualCode).matches(/else\s*{\s*stryCov_9fa48\("1"\)/);81    });82    it('should be able to place multiple mutants', () => {83      // Arrange84      const ast = parseJS('const foo = a + b');85      const statement = findNodePath<types.VariableDeclaration>(ast, (p) => p.isVariableDeclaration());86      const binaryExpression = findNodePath<types.BinaryExpression>(ast, (p) => p.isBinaryExpression());87      const fooIdentifier = findNodePath<types.Identifier>(ast, (p) => p.isIdentifier());88      const mutants = [89        new Mutant('52', 'file.js', binaryExpression.node, {90          replacement: types.binaryExpression('>>>', types.identifier('bar'), types.identifier('baz')),91          mutatorName: 'fooMutator',...

Using AI Code Generation

1import { arrangeSingleMutant } from 'stryker-parent';2import { arrangeSingleMutant } from 'stryker-child';3import { arrangeSingleMutant } from 'stryker-parent';4import { arrangeSingleMutant } from 'stryker-child';5import { arrangeSingleMutant } from 'stryker-parent';6import { arrangeSingleMutant } from 'stryker-child';7import { arrangeSingleMutant } from 'stryker-parent';8import { arrangeSingleMutant } from 'stryker-child';9import { arrangeSingleMutant } from 'stryker-parent';10import { arrangeSingleMutant } from 'stryker-child';11import { arrangeSingleMutant } from 'stryker-parent';12import { arrangeSingleMutant } from 'stryker-child';13import { arrangeSingleMutant } from 'stryker-parent';14import { arrangeSingleMutant } from 'stryker-child';15import { arrangeSingleMutant } from 'stryker-parent';16import { arrangeSingleMutant } from 'stryker-child';17import { arrange

Using AI Code Generation

1function arrangeSingleMutant(){2}3function arrangeMultipleMutant(){4}5{6  "scripts": {7  },8}9{10  "rules": {11  },12  "env": {13  },14  "parserOptions": {

Using AI Code Generation

1const { arrangeSingleMutant } = require('stryker-parent');2const { expect } = require('chai');3const { add } = require('./add');4describe('add', () => {5it('should add two numbers', () => {6const result = add(2, 3);7expect(result).eq(5);8});9});10function add(a, b) {11return a + b;12}13module.exports = {14};1514:57:01 (11526) INFO ConfigReader Loading config stryker.conf.js1614:57:01 (11526) INFO ConcurrencyTokenProvider Creating 1 test runners (based on CPU count)1714:57:01 (11526) INFO SandboxPool Creating 1 test runners (based on CPU count)1814:57:01 (11526) INFO Sandbox Creating a sandbox for files in /Users/stryker/stryker-js/packages/stryker/testResources/parent-mutator/add.js1914:57:01 (11526) INFO Sandbox Creating a sandbox for files in /Users/stryker/stryker-js/packages/stryker/testResources/parent-mutator/test.js2014:57:01 (11526) INFO ChildProcessProxy Starting sandbox [0] (remaining: 0)2114:57:01 (11526) INFO Child

Using AI Code Generation

1var stryker = require('stryker-parent');2var file = 'test.js';3var mutator = 'es5';4var mutate = ['test.js'];5var testFramework = 'jasmine';6var testRunner = 'node';7var plugins = ['stryker-jasmine-runner', 'stryker-es5-mutator'];8var options = {9};10var result = stryker.arrangeSingleMutant(options);11console.log(result);

Using AI Code Generation

1var arrangeSingleMutant = require('stryker-parent').arrangeSingleMutant;2function test () {3    var mutant = arrangeSingleMutant('test.js', 1, 'test.js');4    var result = mutant.run();5    console.log(result);6}7test();

Using AI Code Generation

1const arrangeSingleMutant = require('stryker-parent').arrangeSingleMutant;2describe('MyClass', function () {3  beforeEach(function () {4    arrangeSingleMutant(this);5  });6  it('should be able to arrange a single mutant', function () {7    const sut = new MyClass();8    expect(sut.add(2, 2)).eq(5);9  });10});11const arrangeSingleMutant = require('stryker-parent').arrangeSingleMutant;12describe('MyClass', function () {13  beforeEach(function () {14    arrangeSingleMutant(this);15  });16  it('should be able to arrange a single mutant', function () {17    const sut = new MyClass();18    expect(sut.add(2, 2)).eq(5);19  });20});21const arrangeSingleMutant = require('stryker-parent').arrangeSingleMutant;22describe('MyClass', function () {23  beforeEach(function () {24    arrangeSingleMutant(this);25  });26  it('should be able to arrange a single mutant', function () {27    const sut = new MyClass();28    expect(sut.add(2, 2)).eq(5);29  });30});31const arrangeSingleMutant = require('stryker-parent').arrangeSingleMutant;32describe('MyClass', function () {33  beforeEach(function () {34    arrangeSingleMutant(this);35  });36  it('should be able to arrange a single mutant', function () {37    const sut = new MyClass();38    expect(sut.add(2, 2)).eq(5);39  });40});41const arrangeSingleMutant = require('stryker-parent').arrangeSingle

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