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How to use mutantToIdentifyingKey method in stryker-parent

Best JavaScript code snippet using stryker-parent

incremental-differ.ts

Source:incremental-differ.ts

...104    let reusedMutantCount = 0;105    const currentMutantKeys = new Set<string>();106    const mutants = currentMutants.map((mutant) => {107      const relativeFileName = toRelativeNormalizedFileName(mutant.fileName);108      const mutantKey = mutantToIdentifyingKey(mutant, relativeFileName);109      currentMutantKeys.add(mutantKey);110      if (!mutant.status && !this.options.force) {111        const oldMutant = reusableMutantsByKey.get(mutantKey);112        if (oldMutant) {113          const coveringTests = testCoverage.forMutant(mutant.id);114          const killedByTestKeys = oldKilledTestKeysByMutantKey.get(mutantKey);115          if (mutantCanBeReused(mutant, oldMutant, mutantKey, coveringTests, killedByTestKeys)) {116            reusedMutantCount++;117            const { status, statusReason, testsCompleted } = oldMutant;118            return {119              ...mutant,120              status,121              statusReason,122              testsCompleted,123              coveredBy: [...(coveringTests ?? [])].map(({ id }) => id),124              killedBy: testKeysToId(killedByTestKeys),125            };126          }127        } else {128          mutantStatisticsCollector.count(relativeFileName, 'added');129        }130      }131      return mutant;132    });133    // Make sure that old mutants that didn't run this time around aren't forgotten134    for (const [mutantKey, oldResult] of reusableMutantsByKey) {135      // Do an additional check to see if the mutant is in mutated range.136      //137      // For example:138      // ```diff139      // - return a || b;140      // + return a && b;141      // ```142      // The conditional expression mutator here decides to _not_ mutate b to `false` the second time around. (even though the text of "b" itself didn't change)143      // Not doing this additional check would result in a sticky mutant that is never removed144      if (!currentMutantKeys.has(mutantKey) && !this.isInMutatedScope(oldResult.relativeFileName, oldResult)) {145        const coverage = oldCoverageTestKeysByMutantKey.get(mutantKey) ?? [];146        const killed = oldKilledTestKeysByMutantKey.get(mutantKey) ?? [];147        const coveredBy = testKeysToId(coverage);148        const killedBy = testKeysToId(killed);149        const reusedMutant = {150          ...oldResult,151          id: mutantKey,152          fileName: path.resolve(oldResult.relativeFileName),153          replacement: oldResult.replacement ?? oldResult.mutatorName,154          coveredBy,155          killedBy,156        };157        mutants.push(reusedMutant);158        testCoverage.addCoverage(reusedMutant.id, coveredBy);159      }160    }161    if (this.logger.isInfoEnabled()) {162      const testInfo = testCoverage.hasCoverage ? `\n\tTests:\t\t${testStatisticsCollector.createTotalsReport()}` : '';163      this.logger.info(164        `Incremental report:\n\tMutants:\t${mutantStatisticsCollector.createTotalsReport()}` +165          testInfo +166          `\n\tResult:\t\t${chalk.yellowBright(reusedMutantCount)} of ${currentMutants.length} mutant result(s) are reused.`167      );168    }169    if (this.logger.isDebugEnabled()) {170      const lineSeparator = '\n\t\t';171      const noChanges = 'No changes';172      const detailedMutantSummary = `${lineSeparator}${mutantStatisticsCollector.createDetailedReport().join(lineSeparator) || noChanges}`;173      const detailedTestsSummary = `${lineSeparator}${testStatisticsCollector.createDetailedReport().join(lineSeparator) || noChanges}`;174      this.logger.debug(`Detailed incremental report:\n\tMutants: ${detailedMutantSummary}\n\tTests: ${detailedTestsSummary}`);175    }176    return mutants;177    function testKeysToId(testKeys: Iterable<string> | undefined) {178      return [...(testKeys ?? [])]179        .map((id) => testInfoByKey.get(id))180        .filter(notEmpty)181        .map(({ test: { id } }) => id);182    }183    function collectReusableMutantsByKey(log: Logger) {184      return new Map(185        Object.entries(files).flatMap(([fileName, oldFile]) => {186          const relativeFileName = toRelativeNormalizedFileName(fileName);187          const currentFileSource = currentRelativeFiles.get(relativeFileName);188          if (currentFileSource) {189            log.trace('Diffing %s', relativeFileName);190            const { results, removeCount } = performFileDiff(oldFile.source, currentFileSource, oldFile.mutants);191            mutantStatisticsCollector.count(relativeFileName, 'removed', removeCount);192            return results.map((m) => [193              mutantToIdentifyingKey(m, relativeFileName),194              {195                ...m,196                relativeFileName,197              },198            ]);199          }200          mutantStatisticsCollector.count(relativeFileName, 'removed', oldFile.mutants.length);201          // File has since been deleted, these mutants are not reused202          return [];203        })204      );205    }206    function collectReusableTestInfo(log: Logger) {207      const byId = new Map<string, { relativeFileName: string; test: TestDefinition; key: string }>();208      const byKey = new Map<string, TestInfo>();209      Object.entries(testFiles ?? {}).forEach(([fileName, oldTestFile]) => {210        const relativeFileName = toRelativeNormalizedFileName(fileName);211        const currentFileSource = currentRelativeFiles.get(relativeFileName);212        if (currentFileSource !== undefined && oldTestFile.source !== undefined) {213          log.trace('Diffing %s', relativeFileName);214          const locatedTests = closeLocations(oldTestFile);215          const { results, removeCount } = performFileDiff(oldTestFile.source, currentFileSource, locatedTests);216          testStatisticsCollector.count(relativeFileName, 'removed', removeCount);217          results.forEach((test) => {218            const key = testToIdentifyingKey(test, relativeFileName);219            const testInfo = { key, test, relativeFileName };220            byId.set(test.id, testInfo);221            byKey.set(key, testInfo);222          });223        } else {224          // No sources to compare, we should do our best with the info we do have225          oldTestFile.tests.map((test) => {226            const key = testToIdentifyingKey(test, relativeFileName);227            const testInfo = { key, test, relativeFileName };228            byId.set(test.id, testInfo);229            byKey.set(key, testInfo);230          });231        }232      });233      return { byId, byKey };234    }235    function collectOldKilledAndCoverageMatrix() {236      const oldCoverageByMutantKey = new Map<string, Set<string>>();237      const oldKilledByMutantKey = new Map<string, Set<string>>();238      for (const [key, mutant] of reusableMutantsByKey) {239        const killedRow = new Set(mutant.killedBy?.map((testId) => oldTestsById.get(testId)?.key).filter(notEmpty));240        const coverageRow = new Set(mutant.coveredBy?.map((testId) => oldTestsById.get(testId)?.key).filter(notEmpty));241        killedRow.forEach((killed) => coverageRow.add(killed));242        oldCoverageByMutantKey.set(key, coverageRow);243        oldKilledByMutantKey.set(key, killedRow);244      }245      return { oldCoverageByMutantKey, oldKilledByMutantKey };246    }247    function collectCurrentTestInfo() {248      const byTestKey = new Map<string, { relativeFileName: string; test: TestResult }>();249      for (const testResult of testCoverage.testsById.values()) {250        const relativeFileName = toRelativeNormalizedFileName(testResult.fileName);251        const key = testToIdentifyingKey(testResult, relativeFileName);252        const info = { relativeFileName, test: testResult, key: key };253        byTestKey.set(key, info);254      }255      return byTestKey;256    }257    function mutantCanBeReused(258      mutant: Mutant,259      oldMutant: schema.MutantResult,260      mutantKey: string,261      coveringTests: ReadonlySet<TestResult> | undefined,262      oldKillingTests: Set<string> | undefined263    ): boolean {264      if (!testCoverage.hasCoverage) {265        // This is the best we can do when the test runner didn't report coverage.266        // We assume that all mutant test results can be reused,267        // End users can use --force to force retesting of certain mutants268        return true;269      }270      if (oldMutant.status === MutantStatus.Ignored) {271        // Was previously ignored, but not anymore, we need to run it now272        return false;273      }274      const testsDiff = diffTestCoverage(mutant.id, oldCoverageTestKeysByMutantKey.get(mutantKey), coveringTests);275      if (oldMutant.status === MutantStatus.Killed) {276        if (oldKillingTests) {277          for (const killingTest of oldKillingTests) {278            if (testsDiff.get(killingTest) === 'same') {279              return true;280            }281          }282        }283        // Killing tests has changed or no longer exists284        return false;285      }286      for (const action of testsDiff.values()) {287        if (action === 'added') {288          // A non-killed mutant got a new test, we need to run it289          return false;290        }291      }292      // A non-killed mutant did not get new tests, no need to rerun it293      return true;294    }295    /**296     * Determines if there is a diff between old test coverage and new test coverage.297     */298    function diffTestCoverage(299      mutantId: string,300      oldCoveringTestKeys: Set<string> | undefined,301      newCoveringTests: ReadonlySet<TestResult> | undefined302    ): Map<string, DiffAction> {303      const result = new Map<string, DiffAction>();304      if (newCoveringTests) {305        for (const newTest of newCoveringTests) {306          const key = testToIdentifyingKey(newTest, toRelativeNormalizedFileName(newTest.fileName));307          result.set(key, oldCoveringTestKeys?.has(key) ? 'same' : 'added');308        }309      }310      if (oldCoveringTestKeys) {311        const isStatic = testCoverage.hasStaticCoverage(mutantId);312        for (const oldTestKey of oldCoveringTestKeys) {313          if (!result.has(oldTestKey)) {314            // Static mutants might not have covering tests, but the test might still exist315            if (isStatic && newTestKeys.has(oldTestKey)) {316              result.set(oldTestKey, 'same');317            } else {318              result.set(oldTestKey, 'removed');319            }320          }321        }322      }323      return result;324    }325  }326}327/**328 * Finds the diff of mutants and tests. Removes mutants / tests that no longer exist (changed or removed). Updates locations of mutants or tests that do still exist.329 * @param oldCode The old code to use for the diff330 * @param newCode The new (current) code to use for the diff331 * @param items The mutants or tests to be looked . These will be treated as immutable.332 * @returns A list of items with updated locations, without items that are changed.333 */334function performFileDiff<T extends { location: Location }>(oldCode: string, newCode: string, items: T[]): { results: T[]; removeCount: number } {335  const oldSourceNormalized = normalizeLineEndings(oldCode);336  const currentSrcNormalized = normalizeLineEndings(newCode);337  const diffChanges = diffMatchPatch.diff_main(oldSourceNormalized, currentSrcNormalized);338  const toDo = new Set(items.map((m) => ({ ...m, location: deepClone(m.location) })));339  const [added, removed] = [1, -1];340  const done: T[] = [];341  const currentPosition: Position = { column: 0, line: 0 };342  let removeCount = 0;343  for (const [change, text] of diffChanges) {344    if (toDo.size === 0) {345      // There are more changes, but nothing left to update.346      break;347    }348    const offset = calculateOffset(text);349    if (change === added) {350      for (const test of toDo) {351        const { location } = test;352        if (gte(currentPosition, location.start) && gte(location.end, currentPosition)) {353          // This item cannot be reused, code was added here354          removeCount++;355          toDo.delete(test);356        } else {357          locationAdd(location, offset, currentPosition.line === location.start.line);358        }359      }360      positionMove(currentPosition, offset);361    } else if (change === removed) {362      for (const item of toDo) {363        const {364          location: { start },365        } = item;366        const endOffset = positionMove({ ...currentPosition }, offset);367        if (gte(endOffset, start)) {368          // This item cannot be reused, the code it covers has changed369          removeCount++;370          toDo.delete(item);371        } else {372          locationAdd(item.location, negate(offset), currentPosition.line === start.line);373        }374      }375    } else {376      positionMove(currentPosition, offset);377      toDo.forEach((item) => {378        const { end } = item.location;379        if (gte(currentPosition, end)) {380          // We're done with this item, it can be reused381          toDo.delete(item);382          done.push(item);383        }384      });385    }386  }387  done.push(...toDo);388  return { results: done, removeCount };389}390/**391 * A greater-than-equals implementation for positions392 */393function gte(a: Position, b: Position) {394  return a.line > b.line || (a.line === b.line && a.column >= b.column);395}396function locationIncluded(haystack: Location, needle: Location) {397  const startIncluded = gte(needle.start, haystack.start);398  const endIncluded = gte(haystack.end, needle.end);399  return startIncluded && endIncluded;400}401function deepClone(loc: Location): Location {402  return { start: { ...loc.start }, end: { ...loc.end } };403}404/**405 * Reduces a mutant to a string that identifies the mutant across reports.406 * Consists of the relative file name, mutator name, replacement, and location407 */408function mutantToIdentifyingKey(409  { mutatorName, replacement, location: { start, end } }: Pick<Mutant, 'location' | 'mutatorName'> & { replacement?: string },410  relativeFileName: string411) {412  return `${relativeFileName}@${start.line}:${start.column}-${end.line}:${end.column}\n${mutatorName}: ${replacement}`;413}414function testToIdentifyingKey(415  { name, location, startPosition }: Pick<schema.TestDefinition, 'location' | 'name'> & Pick<TestResult, 'startPosition'>,416  relativeFileName: string | undefined417) {418  startPosition = startPosition ?? location?.start ?? { line: 0, column: 0 };419  return `${relativeFileName}@${startPosition.line}:${startPosition.column}\n${name}`;420}421export function toRelativeNormalizedFileName(fileName: string | undefined): string {422  return normalizeFileName(path.relative(process.cwd(), fileName ?? ''));...

Using AI Code Generation

1var mutantToIdentifyingKey = require('stryker').mutantToIdentifyingKey;2var mutants = [];3var mutant = {};4mutant.id = 1;5mutant.location = {};6mutant.location.start = {};7mutant.location.start.line = 1;8mutant.location.start.column = 2;9mutant.location.end = {};10mutant.location.end.line = 3;11mutant.location.end.column = 4;12mutant.mutatorName = 'myMutator';13mutant.replacement = 'myReplacement';14mutantToIdentifyingKey(mutant);

Using AI Code Generation

1const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;2const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;3const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;4const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;5const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;6const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;7const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;8const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;9const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;10const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;11const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;12const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;13const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;14const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;

Using AI Code Generation

1const strykerParent = require('stryker-parent');2const mutantToIdentifyingKey = strykerParent.mutantToIdentifyingKey;3const strykerParent = require('stryker-parent');4const mutantToIdentifyingKey = strykerParent.mutantToIdentifyingKey;5const strykerParent = require('stryker-parent');6const mutantToIdentifyingKey = strykerParent.mutantToIdentifyingKey;7const strykerParent = require('stryker-parent');8const mutantToIdentifyingKey = strykerParent.mutantToIdentifyingKey;9const strykerParent = require('stryker-parent');10const mutantToIdentifyingKey = strykerParent.mutantToIdentifyingKey;11const strykerParent = require('stryker-parent');12const mutantToIdentifyingKey = strykerParent.mutantToIdentifyingKey;13const strykerParent = require('stryker-parent');14const mutantToIdentifyingKey = strykerParent.mutantToIdentifyingKey;15const strykerParent = require('stryker-parent');16const mutantToIdentifyingKey = strykerParent.mutantToIdentifyingKey;17const strykerParent = require('stryker-parent');18const mutantToIdentifyingKey = strykerParent.mutantToIdentifyingKey;19const strykerParent = require('stryker-parent');20const mutantToIdentifyingKey = strykerParent.mutantToIdentifyingKey;21const strykerParent = require('stryker-parent');

Using AI Code Generation

1const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;2const mutant = {3};4console.log(mutantToIdentifyingKey(mutant));5const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;6const mutant = {7};8console.log(mutantToIdentifyingKey(mutant));

Using AI Code Generation

1const mutantToIdentifyingKey = require('stryker-parent').mutantToIdentifyingKey;2const mutantId = mutantToIdentifyingKey({id: 1, location: {start: {line: 1, column: 2}, end: {line: 1, column: 3}}, mutatorName: 'foo', replacement: 'bar'});3const mutantToIdentifyingKey = require('stryker').mutantToIdentifyingKey;4const mutantId = mutantToIdentifyingKey({id: 1, location: {start: {line: 1, column: 2}, end: {line: 1, column: 3}}, mutatorName: 'foo', replacement: 'bar'});5const mutantToIdentifyingKey = require('stryker').mutantToIdentifyingKey;6const mutantId = mutantToIdentifyingKey({id: 1, location: {start: {line: 1, column: 2}, end: {line: 1, column: 3}}, mutatorName: 'foo', replacement: 'bar'});7const mutantToIdentifyingKey = require('stryker').mutantToIdentifyingKey;8const mutantId = mutantToIdentifyingKey({id: 1, location: {start: {line: 1, column: 2}, end: {line: 1, column: 3}}, mutatorName: 'foo', replacement: 'bar'});9const mutantToIdentifyingKey = require('stryker').mutantToIdentifyingKey;10const mutantId = mutantToIdentifyingKey({id: 1, location: {start: {line: 1, column: 2}, end: {line: 1, column: 3}}, mutatorName: 'foo', replacement: 'bar'});

Using AI Code Generation

1const { mutantToIdentifyingKey } = require('@stryker-mutator/api/core');2const mutant = {3};4console.log(mutantToIdentifyingKey(mutant));5const { identifyingKeyToMutant } = require('@stryker-mutator/api/core');6const mutant = identifyingKeyToMutant("123:FooMutator:foo.js:[1,2]:bar");7console.log(mutant);8const { Mutant } = require('@stryker-mutator/api/core');9const mutant = new Mutant(123, 'FooMutator', 'foo.js', [1, 2], 'bar');10console.log(mutant);11const { MutantStatus } = require('@stryker-mutator/api/core');12console.log(MutantStatus);13const { MutantResult } = require('@stryker-mutator/api/core');14const mutantResult = new MutantResult(123, MutantStatus.Killed, 'foo.js');15console.log(mutantResult);16const { MutantTestCoverage } = require('@stryker-mutator/api/core');17const mutantTestCoverage = new MutantTestCoverage(

Using AI Code Generation

1const { mutantToIdentifyingKey } = require('stryker-parent');2console.log(mutantToIdentifyingKey({ id: 1, fileName: 'foo.js', range: [0, 1] }));3const { mutantToIdentifyingKey } = require('stryker-parent');4console.log(mutantToIdentifyingKey({ id: 1, fileName: 'foo.js', range: [0, 1] }));5const { mutantToIdentifyingKey } = require('stryker-parent');6console.log(mutantToIdentifyingKey({ id: 1, fileName: 'foo.js', range: [0, 1] }));7const { mutantToIdentifyingKey } = require('stryker-parent');8console.log(mutantToIdentifyingKey({ id: 1, fileName: 'foo.js', range: [0, 1] }));9const { mutantToIdentifyingKey } = require('stryker-parent');10console.log(mutantToIdentifyingKey({ id: 1, fileName: 'foo.js', range: [0, 1] }));11const { mutantToIdentifyingKey } = require('stryker-parent');12console.log(mutantToIdentifyingKey({ id: 1, fileName: 'foo.js', range: [0, 1] }));13const { mutantToIdentifyingKey } = require('stryker-parent');14console.log(mutantToIdentifyingKey({ id: 1, fileName: 'foo.js', range: [0, 1] }));

Using AI Code Generation

1const mutantToIdentifyingKey = require("stryker-parent").mutantToIdentifyingKey;2const mutant = {id: 1, mutatorName: "myMutator", fileName: "test.js", replacement: "true", range: [0, 3]};3console.log(mutantToIdentifyingKey(mutant));4const identifyingKeyToMutant = require("stryker-parent").identifyingKeyToMutant;5const identifyingKey = "1_myMutator_test.js_true_0_3";6console.log(identifyingKeyToMutant(identifyingKey));7const identifyingKeyToMutant = require("stryker-parent").identifyingKeyToMutant;8const identifyingKey = "1_myMutator_test.js_true_0_3";9console.log(identifyingKeyToMutant(identifyingKey));10const getMutantId = require("stryker-parent").getMutantId;11const mutant = {id: 1, mutatorName: "myMutator", fileName: "test.js", replacement: "true", range: [0, 3]};12console.log(getMutantId(mutant));13const getMutantId = require("stryker-parent").getMutantId;14const mutant = {id: 1, mutatorName: "myMutator", fileName: "test.js", replacement: "true", range: [0, 3]};15console.log(getMutantId(mutant));

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