msw/src/core/utils/internal/getCallFrame.test.ts

Seamless REST/GraphQL API mocking library for browser and Node.js.

/**
 * @vitest-environment jsdom
 */
import { getCallFrame } from './getCallFrame'

class ErrorWithStack extends Error {
  constructor(stack: string[] | undefined | null) {
    super('')
    this.stack = stack?.join('\n')
  }
}

test('supports Node.js (Linux, MacOS) error stack', () => {
  const linuxError = new ErrorWithStack([
    'Error: ',
    '    at getCallFrame (/Users/mock/github/msw/lib/node/index.js:3735:22)',
    '    at Object.get (/Users/mock/github/msw/lib/node/index.js:3776:29)',
    '    at Object.<anonymous> (/Users/mock/github/msw/test/msw-api/setup-server/listHandlers.test.ts:13:8)', // <-- this one
    '    at Runtime._execModule (/Users/mock/github/msw/node_modules/jest-runtime/build/index.js:1299:24)',
    '    at Runtime._loadModule (/Users/mock/github/msw/node_modules/jest-runtime/build/index.js:898:12)',
    '    at Runtime.requireModule (/Users/mock/github/msw/node_modules/jest-runtime/build/index.js:746:10)',
    '    at jasmine2 (/Users/mock/github/msw/node_modules/jest-jasmine2/build/index.js:230:13)',
    '    at runTestInternal (/Users/mock/github/msw/node_modules/jest-runner/build/runTest.js:380:22)',
    '    at runTest (/Users/mock/github/msw/node_modules/jest-runner/build/runTest.js:472:34)',
  ])
  expect(getCallFrame(linuxError)).toEqual(
    '/Users/mock/github/msw/test/msw-api/setup-server/listHandlers.test.ts:13:8',
  )

  const macOsError = new ErrorWithStack([
    'Error: ',
    '    at getCallFrame (/Users/mock/git/msw/lib/node/index.js:3735:22)',
    '    at graphQLRequestHandler (/Users/mock/git/msw/lib/node/index.js:7071:25)',
    '    at Object.query (/Users/mock/git/msw/lib/node/index.js:7182:18)',
    '    at Object.<anonymous> (/Users/mock/git/msw/test/msw-api/setup-server/listHandlers.test.ts:14:11)', // <-- this one
    '    at Runtime._execModule (/Users/mock/git/msw/node_modules/jest-runtime/build/index.js:1299:24)',
    '    at Runtime._loadModule (/Users/mock/git/msw/node_modules/jest-runtime/build/index.js:898:12)',
    '    at Runtime.requireModule (/Users/mock/git/msw/node_modules/jest-runtime/build/index.js:746:10)',
    '    at jasmine2 (/Users/mock/git/msw/node_modules/jest-jasmine2/build/index.js:230:13)',
    '    at runTestInternal (/Users/mock/git/msw/node_modules/jest-runner/build/runTest.js:380:22)',
    '    at runTest (/Users/mock/git/msw/node_modules/jest-runner/build/runTest.js:472:34)',
  ])

  expect(getCallFrame(macOsError)).toEqual(
    '/Users/mock/git/msw/test/msw-api/setup-server/listHandlers.test.ts:14:11',
  )
})

test('supports Node.js (Windows) error stack', () => {
  const error = new ErrorWithStack([
    'Error: ',
    '    at getCallFrame (C:\\Users\\mock\\git\\msw\\lib\\node\\index.js:3735:22)',
    '    at graphQLRequestHandler (C:\\Users\\mock\\git\\msw\\lib\\node\\index.js:7071:25)',
    '    at Object.query (C:\\Users\\mock\\git\\msw\\lib\\node\\index.js:7182:18)',
    '    at Object.<anonymous> (C:\\Users\\mock\\git\\msw\\test\\msw-api\\setup-server\\listHandlers.test.ts:75:13)', // <-- this one
    '    at Object.asyncJestTest (C:\\Users\\mock\\git\\msw\\node_modules\\jest-jasmine2\\build\\jasmineAsyncInstall.js:106:37)',
    '    at C:\\Users\\mock\\git\\msw\\node_modules\\jest-jasmine2\\build\\queueRunner.js:45:12',
    '    at new Promise (<anonymous>)',
    '    at mapper (C:\\Users\\mock\\git\\msw\\node_modules\\jest-jasmine2\\build\\queueRunner.js:28:19)',
    '    at C:\\Users\\mock\\git\\msw\\node_modules\\jest-jasmine2\\build\\queueRunner.js:75:41',
  ])

  expect(getCallFrame(error)).toBe(
    'C:\\Users\\mock\\git\\msw\\test\\msw-api\\setup-server\\listHandlers.test.ts:75:13',
  )
})

test('supports Chrome and Edge error stack', () => {
  const error = new ErrorWithStack([
    'Error',
    '    at getCallFrame (webpack:///./lib/browser/getCallFrame-deps.js?:272:20)',
    '    at Object.eval [as get] (webpack:///./lib/browser/rest-deps.js?:1402:90)',
    '    at eval (webpack:///./test/msw-api/setup-worker/listHandlers.mocks.ts?:6:113)', // <-- this one
    '    at Module../test/msw-api/setup-worker/listHandlers.mocks.ts (http://localhost:59464/main.js:1376:1)',
    '    at __webpack_require__ (http://localhost:59464/main.js:790:30)',
    '    at fn (http://localhost:59464/main.js:101:20)',
    '    at eval (webpack:///multi_(webpack)-dev-server/client?:4:18)',
    '    at Object.0 (http://localhost:59464/main.js:1399:1)',
    '    at __webpack_require__ (http://localhost:59464/main.js:790:30)',
    '    at http://localhost:59464/main.js:857:37',
  ])

  expect(getCallFrame(error)).toBe(
    'webpack:///./test/msw-api/setup-worker/listHandlers.mocks.ts?:6:113',
  )
})

test('supports Firefox (MacOS, Windows) error stack', () => {
  const error = new ErrorWithStack([
    'getCallFrame@webpack:///./lib/browser/getCallFrame-deps.js?:272:20',
    'createRestHandler/<@webpack:///./lib/browser/rest-deps.js?:1402:90',
    '@webpack:///./test/msw-api/setup-worker/listHandlers.mocks.ts?:6:113', // <-- this one
    './test/msw-api/setup-worker/listHandlers.mocks.ts@http://localhost:59464/main.js:1376:1',
    '__webpack_require__@http://localhost:59464/main.js:790:30',
    'fn@http://localhost:59464/main.js:101:20',
    '@webpack:///multi_(webpack)-dev-server/client?:4:18',
    '0@http://localhost:59464/main.js:1399:1',
    '__webpack_require__@http://localhost:59464/main.js:790:30',
    '@http://localhost:59464/main.js:857:37',
  ])

  expect(getCallFrame(error)).toBe(
    'webpack:///./test/msw-api/setup-worker/listHandlers.mocks.ts?:6:113',
  )
})

test('supports Safari (MacOS) error stack', () => {
  const errorOne = new ErrorWithStack([
    'getCallFrame',
    '',
    'eval code',
    'eval@[native code]',
    './test/msw-api/setup-worker/listHandlers.mocks.ts@http://localhost:59464/main.js:1376:5', // <-- this one
    '__webpack_require__@http://localhost:59464/main.js:790:34',
    'fn@http://localhost:59464/main.js:101:39',
    'eval code',
    'eval@[native code]',
    'http://localhost:59464/main.js:1399:5',
    '__webpack_require__@http://localhost:59464/main.js:790:34',
    'http://localhost:59464/main.js:857:37',
    'global code@http://localhost:59464/main.js:858:12',
  ])

  expect(getCallFrame(errorOne)).toBe(
    './test/msw-api/setup-worker/listHandlers.mocks.ts@http://localhost:59464/main.js:1376:5',
  )

  const errorTwo = new ErrorWithStack([
    'getCallFrame',
    'graphQLRequestHandler',
    'eval code',
    'eval@[native code]',
    './test/msw-api/setup-worker/listHandlers.mocks.ts@http://localhost:56460/main.js:1376:5', // <-- this one
    '__webpack_require__@http://localhost:56460/main.js:790:34',
    'fn@http://localhost:56460/main.js:101:39',
    'eval code',
    'eval@[native code]',
    'http://localhost:56460/main.js:1399:5',
    '__webpack_require__@http://localhost:56460/main.js:790:34',
    'http://localhost:56460/main.js:857:37',
    'global code@http://localhost:56460/main.js:858:12',
  ])

  expect(getCallFrame(errorTwo)).toBe(
    './test/msw-api/setup-worker/listHandlers.mocks.ts@http://localhost:56460/main.js:1376:5',
  )
})

test('handles the undefined stack trace', () => {
  expect(() => getCallFrame(new ErrorWithStack(undefined))).not.toThrow(
    TypeError,
  )
  expect(() => getCallFrame(new ErrorWithStack(null))).not.toThrow(TypeError)
})