How to use mutateInputFileMap method in stryker-parent

Best JavaScript code snippet using stryker-parent

project-reader.ts

Source:project-reader.ts

1import path from 'path';2import { isDeepStrictEqual } from 'util';3import minimatch, { type Minimatch as IMinimatch } from 'minimatch';4import { StrykerOptions, FileDescriptions, FileDescription, Location, Position } from '@stryker-mutator/api/core';5import { Logger } from '@stryker-mutator/api/logging';6import { commonTokens, tokens } from '@stryker-mutator/api/plugin';7import { ERROR_CODES, I, isErrnoException } from '@stryker-mutator/util';8import type { MutationTestResult } from 'mutation-testing-report-schema/api';9import { OpenEndLocation } from 'mutation-testing-report-schema';10import { defaultOptions, FileMatcher } from '../config/index.js';11import { coreTokens } from '../di/index.js';12import { Project } from './project.js';13import { FileSystem } from './file-system.js';14const { Minimatch } = minimatch;15const ALWAYS_IGNORE = Object.freeze(['node_modules', '.git', '/reports', '*.tsbuildinfo', '/stryker.log']);16export const IGNORE_PATTERN_CHARACTER = '!';17/**18 * @see https://stryker-mutator.io/docs/stryker-js/configuration/#mutate-string19 * @example20 * * "src/app.js:1-11" will mutate lines 1 through 11 inside app.js.21 * * "src/app.js:5:4-6:4" will mutate from line 5, column 4 through line 6 column 4 inside app.js (columns 4 are included).22 * * "src/app.js:5-6:4" will mutate from line 5, column 0 through line 6 column 4 inside app.js (column 4 is included).23 */24export const MUTATION_RANGE_REGEX = /(.*?):((\d+)(?::(\d+))?-(\d+)(?::(\d+))?)$/;25export class ProjectReader {26  private readonly mutatePatterns: readonly string[];27  private readonly ignoreRules: readonly string[];28  private readonly incremental: boolean;29  private readonly force: boolean;30  private readonly incrementalFile: string;31  public static inject = tokens(coreTokens.fs, commonTokens.logger, commonTokens.options);32  constructor(33    private readonly fs: I<FileSystem>,34    private readonly log: Logger,35    { mutate, tempDirName, ignorePatterns, incremental, incrementalFile, force }: StrykerOptions36  ) {37    this.mutatePatterns = mutate;38    this.ignoreRules = [...ALWAYS_IGNORE, tempDirName, ...ignorePatterns];39    this.incremental = incremental;40    this.incrementalFile = incrementalFile;41    this.force = force;42  }43  public async read(): Promise<Project> {44    const inputFileNames = await this.resolveInputFileNames();45    const fileDescriptions = this.resolveFileDescriptions(inputFileNames);46    const project = new Project(this.fs, fileDescriptions, await this.readIncrementalReport());47    project.logFiles(this.log, this.ignoreRules, this.force);48    return project;49  }50  /**51   * Takes the list of file names and creates file description object from it, containing logic about wether or not it needs to be mutated.52   * If a mutate pattern starts with a `!`, it negates the pattern.53   * @param inputFileNames the file names to filter54   */55  private resolveFileDescriptions(inputFileNames: string[]): FileDescriptions {56    // Only log about useless patterns when the user actually configured it57    const logAboutUselessPatterns = !isDeepStrictEqual(this.mutatePatterns, defaultOptions.mutate);58    // Start out without files to mutate59    const mutateInputFileMap = new Map<string, FileDescription>();60    inputFileNames.forEach((fileName) => mutateInputFileMap.set(fileName, { mutate: false }));61    // Now lets see what we need to mutate62    for (const pattern of this.mutatePatterns) {63      if (pattern.startsWith(IGNORE_PATTERN_CHARACTER)) {64        const files = this.filterMutatePattern(mutateInputFileMap.keys(), pattern.substring(1));65        if (logAboutUselessPatterns && files.size === 0) {66          this.log.warn(`Glob pattern "${pattern}" did not exclude any files.`);67        }68        for (const fileName of files.keys()) {69          mutateInputFileMap.set(fileName, { mutate: false });70        }71      } else {72        const files = this.filterMutatePattern(inputFileNames, pattern);73        if (logAboutUselessPatterns && files.size === 0) {74          this.log.warn(`Glob pattern "${pattern}" did not result in any files.`);75        }76        for (const [fileName, file] of files) {77          mutateInputFileMap.set(fileName, this.mergeFileDescriptions(file, mutateInputFileMap.get(fileName)));78        }79      }80    }81    return Object.fromEntries(mutateInputFileMap);82  }83  private mergeFileDescriptions(first: FileDescription, second?: FileDescription): FileDescription {84    if (second) {85      if (Array.isArray(first.mutate) && Array.isArray(second.mutate)) {86        return { mutate: [...second.mutate, ...first.mutate] };87      } else if (first.mutate && !second.mutate) {88        return first;89      } else if (!first.mutate && second.mutate) {90        return second;91      } else {92        return { mutate: false };93      }94    }95    return first;96  }97  /**98   * Filters a given list of file names given a mutate pattern.99   * @param fileNames the file names to match to the pattern100   * @param mutatePattern the pattern to match with101   */102  private filterMutatePattern(fileNames: Iterable<string>, mutatePattern: string): Map<string, FileDescription> {103    const mutationRangeMatch = MUTATION_RANGE_REGEX.exec(mutatePattern);104    let mutate: FileDescription['mutate'] = true;105    if (mutationRangeMatch) {106      const [_, newPattern, _mutationRange, startLine, startColumn = '0', endLine, endColumn = Number.MAX_SAFE_INTEGER.toString()] =107        mutationRangeMatch;108      mutatePattern = newPattern;109      mutate = [110        {111          start: { line: parseInt(startLine) - 1, column: parseInt(startColumn) },112          end: { line: parseInt(endLine) - 1, column: parseInt(endColumn) },113        },114      ];115    }116    const matcher = new FileMatcher(mutatePattern);117    const inputFiles = new Map<string, FileDescription>();118    for (const fileName of fileNames) {119      if (matcher.matches(fileName)) {120        inputFiles.set(fileName, { mutate });121      }122    }123    return inputFiles;124  }125  private async resolveInputFileNames(): Promise<string[]> {126    const ignoreRules = this.ignoreRules.map((pattern) => new Minimatch(pattern, { dot: true, flipNegate: true, nocase: true }));127    /**128     * Rewrite of: https://github.com/npm/ignore-walk/blob/0e4f87adccb3e16f526d2e960ed04bdc77fd6cca/index.js#L213-L215129     */130    const matchesDirectoryPartially = (entryPath: string, rule: IMinimatch) => {131      return rule.match(`/${entryPath}`, true) || rule.match(entryPath, true);132    };133    // Inspired by https://github.com/npm/ignore-walk/blob/0e4f87adccb3e16f526d2e960ed04bdc77fd6cca/index.js#L124134    const matchesDirectory = (entryName: string, entryPath: string, rule: IMinimatch) => {135      return (136        matchesFile(entryName, entryPath, rule) ||137        rule.match(`/${entryPath}/`) ||138        rule.match(`${entryPath}/`) ||139        (rule.negate && matchesDirectoryPartially(entryPath, rule))140      );141    };142    // Inspired by https://github.com/npm/ignore-walk/blob/0e4f87adccb3e16f526d2e960ed04bdc77fd6cca/index.js#L123143    const matchesFile = (entryName: string, entryPath: string, rule: IMinimatch) => {144      return rule.match(entryName) || rule.match(entryPath) || rule.match(`/${entryPath}`);145    };146    const crawlDir = async (dir: string, rootDir = dir): Promise<string[]> => {147      const dirEntries = await this.fs.readdir(dir, { withFileTypes: true });148      const relativeName = path.relative(rootDir, dir);149      const files = await Promise.all(150        dirEntries151          .filter((dirEntry) => {152            let included = true;153            const entryPath = `${relativeName.length ? `${relativeName}/` : ''}${dirEntry.name}`;154            ignoreRules.forEach((rule) => {155              if (rule.negate !== included) {156                const match = dirEntry.isDirectory() ? matchesDirectory(dirEntry.name, entryPath, rule) : matchesFile(dirEntry.name, entryPath, rule);157                if (match) {158                  included = rule.negate;159                }160              }161            });162            return included;163          })164          .map(async (dirent) => {165            if (dirent.isDirectory()) {166              return crawlDir(path.resolve(rootDir, relativeName, dirent.name), rootDir);167            } else {168              return path.resolve(rootDir, relativeName, dirent.name);169            }170          })171      );172      return files.flat();173    };174    const files = await crawlDir(process.cwd());175    return files;176  }177  private async readIncrementalReport(): Promise<MutationTestResult | undefined> {178    if (!this.incremental) {179      return;180    }181    try {182      // TODO: Validate against the schema or stryker version?183      const contents = await this.fs.readFile(this.incrementalFile, 'utf-8');184      const result: MutationTestResult = JSON.parse(contents);185      return {186        ...result,187        files: Object.fromEntries(188          Object.entries(result.files).map(([fileName, file]) => [189            fileName,190            { ...file, mutants: file.mutants.map((mutant) => ({ ...mutant, location: reportLocationToStrykerLocation(mutant.location) })) },191          ])192        ),193        testFiles:194          result.testFiles &&195          Object.fromEntries(196            Object.entries(result.testFiles).map(([fileName, file]) => [197              fileName,198              {199                ...file,200                tests: file.tests.map((test) => ({ ...test, location: test.location && reportOpenEndLocationToStrykerLocation(test.location) })),201              },202            ])203          ),204      };205    } catch (err: unknown) {206      if (isErrnoException(err) && err.code === ERROR_CODES.NoSuchFileOrDirectory) {207        this.log.info('No incremental result file found at %s, a full mutation testing run will be performed.', this.incrementalFile);208        return;209      }210      // Whoops, didn't mean to catch this one!211      throw err;212    }213  }214}215function reportOpenEndLocationToStrykerLocation({ start, end }: OpenEndLocation): OpenEndLocation {216  return {217    start: reportPositionToStrykerPosition(start),218    end: end && reportPositionToStrykerPosition(end),219  };220}221function reportLocationToStrykerLocation({ start, end }: Location): Location {222  return {223    start: reportPositionToStrykerPosition(start),224    end: reportPositionToStrykerPosition(end),225  };226}227function reportPositionToStrykerPosition({ line, column }: Position): Position {228  // stryker's positions are 0-based229  return {230    line: line - 1,231    column: column - 1,232  };...

Using AI Code Generation

1const { Stryker } = require('stryker-parent');2const stryker = new Stryker({3  commandRunner: {4  }5});6stryker.mutateInputFileMap({ 'test.js': { content: 'console.log("Hello world")' } })7  .then(result => {8    console.log(result);9  });10module.exports = function(config) {11  config.set({12    commandRunner: {13    }14  });15};16module.exports = function(config) {17  config.set({18    mochaOptions: {19    }20  });21};

Using AI Code Generation

1const { mutateInputFileMap } = require('stryker-parent');2const inputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };3const outputMap = mutateInputFileMap(inputMap);4console.log(outputMap);5const expectedOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };6const actualOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };7const expectedOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };8const actualOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };9const expectedOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };10const actualOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };11const expectedOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };12const actualOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };13const expectedOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };14const actualOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };15const expectedOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };16const actualOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };17const expectedOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };18const actualOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };19const expectedOutputMap = { 'foo.js': 'foo content', 'bar.js': 'bar content' };

Using AI Code Generation

1const { mutateInputFileMap } = require('stryker-parent');2const inputFileMap = {3};4const mutatedFiles = mutateInputFileMap(inputFileMap);5console.log(mutatedFiles);6const { mutateInputFileMap: mutateInputFileMapFromStryker } = require('stryker');7module.exports = {8};9module.exports = {10  mutateInputFileMap: function(inputFileMap) {11    return inputFileMap;12  }13};14module.exports = {15  mutateInputFileMap: function(inputFileMap) {16    return inputFileMap;17  }18};19module.exports = {20  mutateInputFileMap: function(inputFileMap) {21    return inputFileMap;22  }23};24module.exports = {25  mutateInputFileMap: function(inputFileMap) {26    return inputFileMap;27  }28};29module.exports = {30  mutateInputFileMap: function(inputFileMap) {31    return inputFileMap;32  }33};34module.exports = {35  mutateInputFileMap: function(inputFileMap) {

Using AI Code Generation

1const { mutateInputFileMap } = require('stryker-parent').stryker;2const inputFileMap = {3};4mutateInputFileMap(inputFileMap);5const mutatedInputFileMap = mutateInputFileMap(inputFileMap);6console.log(mutatedInputFileMap);

Using AI Code Generation

1var mutateInputFileMap = require('stryker-parent').mutateInputFileMap;2var inputFileMap = {3};4var mutatedFileMap = mutateInputFileMap(inputFileMap);5console.log(mutatedFileMap);6var mutateInputFileMap = require('stryker-parent').mutateInputFileMap;7var inputFileMap = {8};9var mutatedFileMap = mutateInputFileMap(inputFileMap, 'src/MyFile.js');10console.log(mutatedFileMap);11var mutateInputFileMap = require('stryker-parent').mutateInputFileMap;12var inputFileMap = {13};14var mutatedFileMap = mutateInputFileMap(inputFileMap, 'src/MyFile.js', 'src/MyFile.js');15console.log(mutatedFileMap);16var mutateInputFileMap = require('stryker

Using AI Code Generation

1const stryker = require('stryker-parent');2const fileMap = {3  'file1.js': 'var a = 1;',4  'file2.js': 'var b = 2;'5};6const mutatedFileMap = stryker.mutateInputFileMap(fileMap);7console.log(mutatedFileMap);8const stryker = require('stryker-parent');9const fileMap = {10  'file1.js': 'var a = 1;',11  'file2.js': 'var b = 2;'12};13const mutatedFileMap = stryker.mutateInputFileMap(fileMap);14console.log(mutatedFileMap);15const stryker = require('stryker-parent');16const fileMap = {17  'file1.js': 'var a = 1;',18  'file2.js': 'var b = 2;'19};20const mutatedFileMap = stryker.mutateInputFileMap(fileMap);21console.log(mutatedFileMap);22const stryker = require('stryker-parent');23const fileMap = {24  'file1.js': 'var a = 1;',25  'file2.js': 'var b = 2;'26};27const mutatedFileMap = stryker.mutateInputFileMap(fileMap);28console.log(mutatedFileMap);29const stryker = require('stryker-parent');30const fileMap = {31  'file1.js': 'var a = 1;',32  'file2.js': 'var b = 2;'33};34const mutatedFileMap = stryker.mutateInputFileMap(fileMap);35console.log(mutatedFileMap);36const stryker = require('stryker-parent');37const fileMap = {38  'file1.js': 'var a = 1;',39  'file2.js': 'var b = 2;'40};

Using AI Code Generation

1const { mutateInputFileMap } = require('stryker-parent');2const input = {3  'src/index.js': 'var x = 2;',4  'src/foo.js': 'var y = 2;'5};6const output = mutateInputFileMap(input, function (file) {7  return file.replace('2', '3');8});9console.log("output is ", output);10const { mutateInputFileMap } = require('stryker-parent');11const input = {12  'src/index.js': 'var x = 2;',13  'src/foo.js': 'var y = 2;'14};15const output = mutateInputFileMap(input, function (file) {16  return file.replace('2', '3');17});18console.log("output is ", output);19const { mutateInputFileMap } = require('stryker-parent');20const input = {21  'src/index.js': 'var x = 2;',22  'src/foo.js': 'var y = 2;'23};24const output = mutateInputFileMap(input, function (file) {25  return file.replace('2', '3');26});27console.log("output is ", output);28const { mutateInputFileMap } = require('stryker-parent');29const input = {30  'src/index.js': 'var x = 2;',31  'src/foo.js': 'var y = 2;'32};33const output = mutateInputFileMap(input, function (file) {34  return file.replace('2', '3');35});36console.log("output is ", output);37const { mutateInputFileMap } = require('stryker-parent');38const input = {

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