Best JavaScript code snippet using fast-check-monorepo
CaptureAllGlobals.spec.ts
Source:CaptureAllGlobals.spec.ts
...80 // For the moment, internal data for globals linked to symbols is not tracked81 const expectedGlobalsExcludingSymbols = expectedGlobals.filter((item) => !item.isSymbol);82 it.each(expectedGlobals)('should capture value for $globalName', ({ globalValue }) => {83 // Arrange / Act84 const globals = captureAllGlobals();85 // Assert86 const flattenGlobalsValues = [...globals.values()].flatMap((globalDetails) =>87 [...globalDetails.properties.values()].map((property) => property.value)88 );89 expect(flattenGlobalsValues).toContainEqual(globalValue);90 });91 it.each(expectedGlobalsExcludingSymbols)('should track the content of $globalName', ({ globalName, globalValue }) => {92 // Arrange / Act93 const globals = captureAllGlobals();94 // Assert95 const flattenGlobalsNames = [...globals.values()].map((globalDetails) => globalDetails.name);96 try {97 expect(flattenGlobalsNames).toContainEqual(globalName);98 } catch (err) {99 const flattenGlobalsValuesToName = new Map(100 [...globals.entries()].map(([globalDetailsValue, globalDetails]) => [globalDetailsValue, globalDetails.name])101 );102 if (flattenGlobalsValuesToName.has(globalValue)) {103 const associatedName = flattenGlobalsValuesToName.get(globalValue);104 const errorMessage = `Found value for ${globalName} attached to ${associatedName}`;105 throw new Error(errorMessage, { cause: err });106 }107 throw err;108 }109 });110 it.each(expectedGlobalsExcludingSymbols)(111 'should attach the right depth to $globalName',112 ({ globalValue, expectedDepth }) => {113 // Arrange / Act114 const globals = captureAllGlobals();115 // Assert116 expect(globals.get(globalValue)?.depth).toBe(expectedDepth);117 }118 );119 it.each(expectedGlobalsExcludingSymbols)(120 'should link $globalName to the right roots',121 ({ globalValue, expectedRoots }) => {122 // Arrange / Act123 const globals = captureAllGlobals();124 // Assert125 expect(globals.get(globalValue)?.rootAncestors).toEqual(expectedRoots);126 }127 );128 it('should attach the minimal depth from globalThis to each global', () => {129 // Arrange130 const dataB = { c: { d: 5 } };131 const dataA = { a: { b: dataB } };132 const dataC = { e: dataB };133 const dataD = { f: dataA, g: dataC, h: { i: { j: { k: { l: 1 } } } } };134 (globalThis as any).dataA = dataA;135 (globalThis as any).dataB = dataB;136 (globalThis as any).dataC = dataC;137 (globalThis as any).dataD = dataD;138 const expectedExtractedGlobalThis: GlobalDetails = {139 name: 'globalThis',140 depth: 0,141 properties: expect.any(Map),142 rootAncestors: PoisoningFreeSet.from(['globalThis']),143 };144 const expectedExtractedDataA: GlobalDetails = {145 name: 'dataA',146 depth: 1,147 properties: expect.any(Map),148 rootAncestors: PoisoningFreeSet.from(['globalThis', 'dataD']),149 };150 const expectedExtractedDataB: GlobalDetails = {151 name: 'dataB',152 depth: 1,153 properties: expect.any(Map),154 rootAncestors: PoisoningFreeSet.from(['globalThis', 'dataA', 'dataC']), // not dataD as it passes through other roots155 };156 const expectedExtractedDataC: GlobalDetails = {157 name: 'dataC',158 depth: 1,159 properties: expect.any(Map),160 rootAncestors: PoisoningFreeSet.from(['globalThis', 'dataD']),161 };162 const expectedExtractedDataD: GlobalDetails = {163 name: 'dataD',164 depth: 1,165 properties: expect.any(Map),166 rootAncestors: PoisoningFreeSet.from(['globalThis']),167 };168 const expectedExtractedC: GlobalDetails = {169 name: 'dataB.c', // shortest path to c170 depth: 2,171 properties: expect.any(Map),172 rootAncestors: PoisoningFreeSet.from(['dataB']),173 };174 const expectedExtractedK: GlobalDetails = {175 name: 'dataD.h.i.j.k', // shortest and only path to k176 depth: 5,177 properties: expect.any(Map),178 rootAncestors: PoisoningFreeSet.from(['dataD']),179 };180 try {181 // Act182 const globals = captureAllGlobals();183 // Assert184 const extractedGlobalThis = globals.get(globalThis);185 expect(extractedGlobalThis).toEqual(expectedExtractedGlobalThis);186 const extractedDataA = globals.get(dataA);187 expect(extractedDataA).toEqual(expectedExtractedDataA);188 const extractedDataB = globals.get(dataB);189 expect(extractedDataB).toEqual(expectedExtractedDataB);190 const extractedDataC = globals.get(dataC);191 expect(extractedDataC).toEqual(expectedExtractedDataC);192 const extractedDataD = globals.get(dataD);193 expect(extractedDataD).toEqual(expectedExtractedDataD);194 const extractedC = globals.get(dataB.c);195 expect(extractedC).toEqual(expectedExtractedC);196 const extractedK = globals.get(dataD.h.i.j.k);...
CaptureAllGlobals.ts
Source:CaptureAllGlobals.ts
...53 currentDepth: number;54 lastRootInPath: string;55};56/** Capture all globals accessible from globalThis */57export function captureAllGlobals(): AllGlobals {58 const knownGlobals = PoisoningFreeMap.from<unknown, GlobalDetails>();59 const nextCaptures = PoisoningFreeArray.from<NextCapture>([60 { instance: globalThis, name: 'globalThis', currentDepth: 0, lastRootInPath: 'globalThis' },61 ]);62 while (nextCaptures.length !== 0) {63 // eslint-disable-next-line @typescript-eslint/no-non-null-assertion64 const { instance, name, currentDepth, lastRootInPath } = nextCaptures[ShiftSymbol]()!;65 if (typeof instance !== 'function' && typeof instance !== 'object') {66 continue;67 }68 if (instance === null || instance === undefined) {69 continue;70 }71 if (knownGlobals[HasSymbol](instance)) {...
main.ts
Source:main.ts
1import { captureAllGlobals } from './internals/CaptureAllGlobals.js';2import { filterNonEligibleDiffs } from './internals/FilterNonEligibleDiffs.js';3import { trackDiffsOnGlobals } from './internals/TrackDiffsOnGlobal.js';4const initialGlobals = captureAllGlobals();5/**6 * Some extra options for {@link restoreGlobals} and {@link assertNoPoisoning}7 */8export type ExtraOptions = {9 /**10 * Discard any changes occuring on any root matching the regex or any of its children.11 * Elements being child of several roots must have all their roots ignored not be tracked.12 *13 * eg.: If pattern is /^_/ then any change of globalThis._ignored or children of it will be omitted.14 * Except changes on prop if globalThis._ignored.prop === globalThis.nonIgnored.prop as prop is part of a tracked root too.15 *16 * Remark: a root is a property directly accessible from globalThis17 */18 ignoredRootRegex?: RegExp;...
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.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!