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How to use callSpy method in storybook-root

Best JavaScript code snippet using storybook-root

for-each-test.js

Source:for-each-test.js

1/*!2 * ENDER - The open module JavaScript framework3 *4 * Copyright (c) 2011-2012 @ded, @fat, @rvagg and other contributors5 *6 * Permission is hereby granted, free of charge, to any person obtaining a copy7 * of this software and associated documentation files (the "Software"), to deal8 * in the Software without restriction, including without limitation the rights9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell10 * copies of the Software, and to permit persons to whom the Software is furnished11 * to do so, subject to the following conditions:12 *13 * The above copyright notice and this permission notice shall be included in all14 * copies or substantial portions of the Software.15 *16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE22 * SOFTWARE.23 */24var buster          = require('bustermove')25  , assert          = require('referee').assert26  , refute          = require('referee').refute27  , DependencyGraph = require('../lib/dependency-graph')28buster.testCase('forEach', {29    'no dependencies': {30        'setUp': function () {31          this.originalGraph = DependencyGraph({}, {32              'pkg1': {33                  dependencies: {}34                , packageJSON: { name: 'pkg1' }35                , parents: [ 'foo' ]36              }37            , 'some/path/to/pkg2': {38                  dependencies: {}39                , packageJSON: { name: 'pkg2' }40                , parents: [ 'foo', 'bar' ]41              }42          })43          this.callSpy = this.spy()44          this.verifySpy = function () {45            assert.equals(this.callSpy.callCount, 2)46            assert.equals(this.callSpy.getCall(0).args[0], 'pkg1')47            assert.equals(this.callSpy.getCall(0).args[1], [ 'foo' ])48            assert.equals(this.callSpy.getCall(0).args[2], this.originalGraph.graphData['pkg1'])49            assert.equals(this.callSpy.getCall(1).args[0], 'some/path/to/pkg2')50            assert.equals(this.callSpy.getCall(1).args[1], [ 'foo' , 'bar' ])51            assert.equals(this.callSpy.getCall(1).args[2], this.originalGraph.graphData['some/path/to/pkg2'])52          }53        }54      , 'test forEachUniqueOrderedDependency': function () {55          this.originalGraph.forEachUniqueOrderedDependency(this.originalGraph.allRootPackages(), this.callSpy)56          this.verifySpy()57        }58      , 'test forEachOrderedDependency': function () {59          // should do the same thing60          this.originalGraph.forEachOrderedDependency(this.originalGraph.allRootPackages(), this.callSpy)61          this.verifySpy()62        }63    }64  , 'simple dependencies': {65        'setUp': function () {66          this.originalGraph = DependencyGraph({}, {67              'apkg-2': {68                  parents: []69                , packageJSON: { name: 'apkg-2', dependencies: { 'mypkg-1': '*' } }70                , dependencies: {71                      'mypkg-1': {72                          parents: [ 'apkg-2' ]73                        , packageJSON: { name: 'mypkg-1' }74                        , dependencies: {}75                      }76                  }77              }78            , 'somepkg-5': {79                  parents: []80                , packageJSON: { name: 'somepkg-5', dependencies: { 'foo-4': '*' } }81                , dependencies: {82                      'foo-4': {83                          parents: [ 'somepkg-5' ]84                        , packageJSON: { name: 'foo-4', dependencies: { 'bar-3': '*' } }85                        , dependencies: {86                            'bar-3': {87                                parents: [ 'somepkg-5', 'foo-4' ]88                              , packageJSON: { name: 'bar-3' }89                              , dependencies: {}90                            }91                          }92                      }93                  }94              }95            , 'apkg-7': {96                  parents: []97                , packageJSON: { name: 'apkg-7', dependencies: { 'mypkg-6': '*' } }98                , dependencies: {99                      'mypkg-6': {100                          parents: [ 'apkg-7' ]101                        , packageJSON: { name: 'mypkg-6' }102                        , dependencies: {}103                      }104                  }105              }106          })107          this.callSpy = this.spy()108          this.verifySpy = function () {109            assert.equals(this.callSpy.args.length, 7)110            this.callSpy.args.forEach(function (c, i) {111              assert.equals(c[3], i)112              refute.isNull(c[2])113              refute.isNull(c[2].dependencies) // should be the packageJSON, 'dependencies' is a proxy for this114              assert.same(c[1], c[2].parents)115              assert.match(c[0], new RegExp('-' + (++i) + '$'))116            })117          }118        }119      , 'test forEachUniqueOrderedDependency': function () {120          this.originalGraph.forEachUniqueOrderedDependency(this.originalGraph.allRootPackages(), this.callSpy)121          this.verifySpy()122        }123      , 'test forEachOrderedDependency': function () {124          // should do the same thing125          this.originalGraph.forEachOrderedDependency(this.originalGraph.allRootPackages(), this.callSpy)126          this.verifySpy()127        }128    }129  , 'ender-js at front': {130        'setUp': function () {131          this.originalGraph = DependencyGraph({}, {132              'apkg-3': {133                  parents: []134                , packageJSON: { name: 'apkg-3', dependencies: { 'mypkg-2': '*' } }135                , dependencies: {136                      'mypkg-2': {137                          parents: [ 'apkg-3' ]138                        , packageJSON: { name: 'mypkg-2' }139                        , dependencies: {}140                      }141                  }142              }143            , 'somepkg-4': {144                  parents: []145                , packageJSON: { name: 'somepkg-4' }146                , dependencies: {}147              }148            , 'ender-js': {149                  parents: []150                , packageJSON: { name: 'ender-js' }151                , dependencies: {}152              } // it should spit this out first153            , 'apkg-6': {154                  parents: []155                , packageJSON: { name: 'apkg-6', dependencies: { 'mypkg-5': '*' } }156                , dependencies: {157                      'mypkg-5': {158                          parents: [ 'apkg-6' ]159                        , packageJSON: { name: 'mypkg-5' }160                        , dependencies: {}161                      }162                  }163              }164          })165          this.callSpy = this.spy()166          this.verifySpy = function () {167            assert.equals(this.callSpy.args.length, 6)168            this.callSpy.args.forEach(function (c, i) {169              assert.equals(c[3], i)170              refute.isNull(c[2])171              refute.isNull(c[2].dependencies) // should be the packageJSON, 'dependencies' is a proxy for this172              assert.same(c[1], c[2].parents)173              if (!i) {174                assert.equals(c[0], 'ender-js')175                assert.same(c[2], this.originalGraph.graphData['ender-js'])176              } else177                assert.match(c[0], new RegExp('-' + (++i) + '$'))178            }.bind(this))179          }180        }181      , 'test forEachUniqueOrderedDependency': function () {182          this.originalGraph.forEachUniqueOrderedDependency(this.originalGraph.allRootPackages(), this.callSpy)183          this.verifySpy()184        }185      , 'test forEachOrderedDependency': function () {186          // should do the same thing187          this.originalGraph.forEachOrderedDependency(this.originalGraph.allRootPackages(), this.callSpy)188          this.verifySpy()189        }190    }191  , 'duplicate dependencies': {192        'setUp': function () {193          this.originalGraph = DependencyGraph({}, {194              'apkg-6': {195                  parents: []196                , packageJSON: { name: 'apkg-6', dependencies: { 'mypkg-5': '*' } }197                , dependencies: {198                      'mypkg-5': {199                          parents: [ 'apkg-6' ]200                        , packageJSON: { name: 'mypkg-5', dependencies: { 'apkg-2': '*', 'apkg-4': '*' } }201                        , dependencies: {202                              'apkg-2': {203                                  parents: [ 'apkg-6', 'mypkg-5' ]204                                , packageJSON: { name: 'apkg-2', dependencies: { 'mypkg-1': '*' } }205                                , dependencies: {206                                      'mypkg-1': {207                                          parents: [ 'apkg-6', 'mypkg-5', 'apkg-2' ]208                                        , packageJSON: { name: 'mypkg-1' }209                                        , dependencies: {}210                                      }211                                  }212                              }213                            , 'apkg-4': {214                                  parents: [ 'apkg-6', 'mypkg-5' ]215                                , packageJSON: { name: 'apkg-4', dependencies: { 'mypkg-3': '*' } }216                                , dependencies: {217                                      'mypkg-3': {218                                          parents: [ 'apkg-6', 'mypkg-5', 'apkg-4' ]219                                        , packageJSON: { name: 'mypkg-3' }220                                        , dependencies: {}221                                      }222                                  }223                              }224                          }225                      }226                  }227              }228            , 'somepkg-9': {229                  parents: []230                , packageJSON: { name: 'somepkg-9', dependencies: { 'foo-8': '*', 'mypkg-3': '*' } }231                , dependencies: {232                      'foo-8': {233                          parents: [ 'somepkg-9' ]234                        , packageJSON: { name: 'foo-8', dependencies: { 'bar-7': '*' } }235                        , dependencies: {236                            'bar-7': {237                                parents: [ 'somepkg-9', 'foo-8' ]238                              , packageJSON: { name: 'bar-7' }239                              , dependencies: {}240                            }241                          }242                      }243                    , 'mypkg-3': {244                          parents: [ 'somepkg-9' ]245                        , packageJSON: { name: 'mypkg-3' }246                        , dependencies: {}247                      }248                  }249              }250            , 'apkg-2': {251                  parents: []252                , packageJSON: { name: 'apkg-2', dependencies: { 'mypkg-1': '*' } }253                , dependencies: {254                      'mypkg-1': {255                          parents: [ 'apkg-2' ]256                        , packageJSON: { name: 'mypkg-1' }257                        , dependencies: {}258                      }259                  }260              }261            , 'lastpkg-10': {262                  parents: []263                , packageJSON: { name: 'lastpkg-10' }264                , dependencies: {}265              }266          })267          this.callSpy = this.spy()268        }269        // we should only see unique packages here, they have numbers in their names so we can match them270        // easily271      , 'test forEachUniqueOrderedDependency': function () {272          this.originalGraph.forEachUniqueOrderedDependency(this.originalGraph.allRootPackages(), this.callSpy)273          // expect only uniques274          assert.equals(this.callSpy.args.length, 10)275          this.callSpy.args.forEach(function (c, i) {276            assert.equals(c[3], i)277            refute.isNull(c[2])278            refute.isNull(c[2].dependencies) // should be the packageJSON, 'dependencies' is a proxy for this279            assert.same(c[1], c[2].parents)280            assert.match(c[0], new RegExp('-' + (++i) + '$'))281          })282        }283        // in this case we should see all packages in order, not just uniques, but we should get an argument284        // for uniqueness285      , 'test forEachOrderedDependency': function () {286          var expectedPackages =287              'mypkg-1 apkg-2 mypkg-3 apkg-4 mypkg-5 apkg-6 bar-7 foo-8 mypkg-3 somepkg-9 mypkg-1 apkg-2 lastpkg-10'288              .split(' ')289            , orderedIndex = 1290          this.originalGraph.forEachOrderedDependency(this.originalGraph.allRootPackages(), this.callSpy)291          assert.equals(this.callSpy.args.length, expectedPackages.length)292          this.callSpy.args.forEach(function (c, i) {293            // use 'orderedIndex' to check if the current package is a dupe or not according to the294            // package name295            var expectedIsUnique = new RegExp('-' + orderedIndex + '$').test(c[0])296            if (expectedIsUnique)297              orderedIndex++298            assert.equals(c[3], i)299            refute.isNull(c[2])300            refute.isNull(c[2].dependencies) // should be the packageJSON, 'dependencies' is a proxy for this301            assert.same(c[1], c[2].parents)302            assert.equals(c[0], expectedPackages[i])303            assert.equals(c[4], expectedIsUnique, 'index ' + i + ' ' + c[0])304          })305        }306    }307  , 'additional unnecessary dependencies': {308        'setUp': function () {309          this.originalGraph = DependencyGraph({}, {310              'apkg-2': {311                  parents: []312                , packageJSON: { name: 'apkg-2', dependencies: { 'mypkg-1': '*' } }313                , dependencies: {314                      'mypkg-1': {315                          parents: [ 'apkg-2' ]316                        , packageJSON: { name: 'mypkg-1' }317                        , dependencies: {}318                      }319                  }320              }321            , 'somepkg-5': {322                  parents: []323                , packageJSON: { name: 'somepkg-5', dependencies: { 'foo-4': '*' } }324                , dependencies: {325                      'foo-4': {326                          parents: [ 'somepkg-5' ]327                        , packageJSON: { name: 'foo-4', dependencies: { 'bar-3': '*' } }328                        , dependencies: {329                            'bar-3': {330                                parents: [ 'somepkg-5', 'foo-4' ]331                              , packageJSON: { name: 'bar-3' }332                              , dependencies: {}333                            }334                          }335                      }336                  }337              }338            , 'apkg-7': {339                  parents: []340                , packageJSON: { name: 'apkg-7', dependencies: { 'mypkg-6': '*' } }341                , dependencies: {342                      'mypkg-6': {343                          parents: [ 'apkg-7' ]344                        , packageJSON: { name: 'mypkg-6' }345                        , dependencies: {}346                      }347                  }348              }349          })350          this.callSpy = this.spy()351          this.verifySpy = function () {352            assert.equals(this.callSpy.args.length, 5)353            this.callSpy.args.forEach(function (c, i) {354              assert.equals(c[3], i)355              refute.isNull(c[2])356              refute.isNull(c[2].dependencies) // should be the packageJSON, 'dependencies' is a proxy for this357              assert.same(c[1], c[2].parents)358              assert.match(c[0], new RegExp('-' + (++i) + '$'))359            })360          }361        }362      , 'test forEachUniqueOrderedDependency': function () {363          this.originalGraph.forEachUniqueOrderedDependency([ 'apkg-2', 'somepkg-5' ], this.callSpy)364          this.verifySpy()365        }366      , 'test forEachOrderedDependency': function () {367          // should do the same thing368          this.originalGraph.forEachOrderedDependency([ 'apkg-2', 'somepkg-5' ], this.callSpy)369          this.verifySpy()370        }371    }...

instrumenter.test.ts

Source:instrumenter.test.ts

1/* eslint-disable no-underscore-dangle */2import { addons, mockChannel } from '@storybook/addons';3import {4  FORCE_REMOUNT,5  SET_CURRENT_STORY,6  STORY_RENDER_PHASE_CHANGED,7} from '@storybook/core-events';8import global from 'global';9import { EVENTS, Instrumenter } from './instrumenter';10import { Options } from './types';11const callSpy = jest.fn();12const syncSpy = jest.fn();13const forceRemountSpy = jest.fn();14addons.setChannel(mockChannel());15addons.getChannel().on(EVENTS.CALL, callSpy);16addons.getChannel().on(EVENTS.SYNC, syncSpy);17addons.getChannel().on(FORCE_REMOUNT, forceRemountSpy);18class HTMLElement {19  constructor(props: any) {20    Object.assign(this, props);21  }22}23delete global.window.location;24global.window.location = { reload: jest.fn() };25global.window.HTMLElement = HTMLElement;26const storyId = 'kind--story';27global.window.__STORYBOOK_PREVIEW__ = { urlStore: { selection: { storyId } } };28const setRenderPhase = (newPhase: string) =>29  addons.getChannel().emit(STORY_RENDER_PHASE_CHANGED, { newPhase, storyId });30let instrumenter: Instrumenter;31const instrument = <TObj extends Record<string, any>>(obj: TObj, options: Options = {}) =>32  instrumenter.instrument(obj, options);33beforeEach(() => {34  jest.useRealTimers();35  callSpy.mockClear();36  syncSpy.mockClear();37  forceRemountSpy.mockClear();38  instrumenter = new Instrumenter();39  setRenderPhase('loading');40});41afterEach(() => {42  addons.getChannel().emit(SET_CURRENT_STORY); // trigger a cleanup43});44describe('Instrumenter', () => {45  it('patches object methods', () => {46    const fn = () => {};47    const result = instrument({ fn });48    expect(result).toStrictEqual({ fn: expect.any(Function) });49    expect(result.fn.name).toBe('fn');50    expect(result.fn.__originalFn__).toBe(fn);51  });52  it('patches nested methods', () => {53    const fn1: any = () => {};54    const fn2: any = () => {};55    const result = instrument({ foo: { fn1, bar: { fn2 } } });56    expect(result).toStrictEqual({57      foo: {58        fn1: expect.any(Function),59        bar: { fn2: expect.any(Function) },60      },61    });62    expect(result.foo.fn1.__originalFn__).toBe(fn1);63    expect(result.foo.bar.fn2.__originalFn__).toBe(fn2);64  });65  it('does not patch already patched functions', () => {66    const fn: any = () => {};67    const result = instrument(instrument({ fn }));68    expect(result.fn.__originalFn__).toBe(fn);69    expect(result.fn.__originalFn__.__originalFn__).not.toBeDefined();70  });71  it('does not traverse into arrays', () => {72    const fn1: any = () => {};73    const fn2: any = () => {};74    const result = instrument({ arr: [fn1, { fn2 }] });75    expect(result).toStrictEqual({ arr: [fn1, { fn2 }] });76    expect(result.arr[0].__originalFn__).not.toBeDefined();77    expect(result.arr[1].fn2.__originalFn__).not.toBeDefined();78  });79  it('patches function properties on functions', () => {80    const fn1: any = () => {};81    fn1.fn2 = () => {};82    const result = instrument({ fn1 });83    expect(result.fn1).toEqual(expect.any(Function));84    expect(result.fn1.fn2).toEqual(expect.any(Function));85    expect(result.fn1.__originalFn__).toBe(fn1);86    expect(result.fn1.fn2.__originalFn__).toBe(fn1.fn2);87  });88  it('patched functions call the original function when invoked', () => {89    const { fn } = instrument({ fn: jest.fn() });90    const obj = {};91    fn('foo', obj);92    expect(fn.__originalFn__).toHaveBeenCalledWith('foo', obj);93  });94  it('emits a "call" event every time a patched function is invoked', () => {95    const { fn } = instrument({ fn: (...args: any) => {} });96    fn('foo', 'bar');97    fn('baz');98    expect(callSpy).toHaveBeenCalledWith(99      expect.objectContaining({100        id: 'kind--story [0] fn',101        args: ['foo', 'bar'],102      })103    );104    expect(callSpy).toHaveBeenCalledWith(105      expect.objectContaining({106        id: 'kind--story [1] fn',107        args: ['baz'],108      })109    );110  });111  it('provides metadata about the call in the event', () => {112    const { obj } = instrument({ obj: { fn: () => {} } });113    obj.fn();114    expect(callSpy).toHaveBeenCalledWith(115      expect.objectContaining({116        path: ['obj'],117        method: 'fn',118        interceptable: false,119        status: 'done',120        parentId: undefined,121      })122    );123  });124  it('maps event args which originate from an earlier call to a call ref', () => {125    const { fn1, fn2 } = instrument({126      fn1: (arg: any) => arg,127      fn2: (arg: any) => {},128    });129    fn2(fn1({}));130    expect(callSpy).toHaveBeenLastCalledWith(131      expect.objectContaining({132        method: 'fn2',133        args: [{ __callId__: callSpy.mock.calls[0][0].id, retain: false }],134      })135    );136  });137  it('does not map primitive event args which originate from an earlier call', () => {138    const { fn1, fn2 } = instrument({139      fn1: (...args: any) => args[0],140      fn2: (...args: any) => {},141    });142    fn2(143      fn1(undefined),144      fn1(null),145      fn1(true),146      fn1('foo'),147      fn1(1),148      fn1(BigInt(1)), // eslint-disable-line no-undef149      fn1({}),150      fn1([]),151      fn1(() => {}),152      fn1(Symbol('hi')),153      fn1(new Error('Oops'))154    );155    expect(callSpy).toHaveBeenLastCalledWith(156      expect.objectContaining({157        method: 'fn2',158        args: [159          /* call 0 */ undefined,160          /* call 1 */ null,161          /* call 2 */ true,162          /* call 3 */ 'foo',163          /* call 4 */ 1,164          /* call 5 */ BigInt(1), // eslint-disable-line no-undef165          { __callId__: callSpy.mock.calls[6][0].id, retain: false },166          { __callId__: callSpy.mock.calls[7][0].id, retain: false },167          { __callId__: callSpy.mock.calls[8][0].id, retain: false },168          { __callId__: callSpy.mock.calls[9][0].id, retain: false },169          { __callId__: callSpy.mock.calls[10][0].id, retain: false },170        ],171      })172    );173  });174  it('maps HTML Elements in event args to an element ref', () => {175    const { fn } = instrument({ fn: (...args: any) => {} });176    fn(new HTMLElement({ prefix: '', localName: 'div', id: 'root', classList: [] }));177    expect(callSpy).toHaveBeenLastCalledWith(178      expect.objectContaining({179        args: [{ __element__: { prefix: '', localName: 'div', id: 'root', classNames: [] } }],180      })181    );182  });183  it('tracks the parent call id for calls inside callbacks', () => {184    const fn = (callback?: Function) => callback && callback();185    const { fn1, fn2, fn3, fn4, fn5 } = instrument({ fn1: fn, fn2: fn, fn3: fn, fn4: fn, fn5: fn });186    fn1(() => {187      fn2(() => fn3());188      fn4();189    });190    fn5();191    expect(callSpy).toHaveBeenCalledWith(192      expect.objectContaining({ id: 'kind--story [0] fn1', parentId: undefined })193    );194    expect(callSpy).toHaveBeenCalledWith(195      expect.objectContaining({196        id: 'kind--story [0] fn1 [0] fn2',197        parentId: 'kind--story [0] fn1',198      })199    );200    expect(callSpy).toHaveBeenCalledWith(201      expect.objectContaining({202        id: 'kind--story [0] fn1 [0] fn2 [0] fn3',203        parentId: 'kind--story [0] fn1 [0] fn2',204      })205    );206    expect(callSpy).toHaveBeenCalledWith(207      expect.objectContaining({208        id: 'kind--story [0] fn1 [1] fn4',209        parentId: 'kind--story [0] fn1',210      })211    );212    expect(callSpy).toHaveBeenCalledWith(213      expect.objectContaining({ id: 'kind--story [1] fn5', parentId: undefined })214    );215  });216  it('tracks the parent call id for async callbacks', async () => {217    const fn = (callback?: Function) => Promise.resolve(callback && callback());218    const { fn1, fn2, fn3 } = instrument({ fn1: fn, fn2: fn, fn3: fn });219    await fn1(() => fn2());220    await fn3();221    expect(callSpy).toHaveBeenCalledWith(222      expect.objectContaining({ id: 'kind--story [0] fn1', parentId: undefined })223    );224    expect(callSpy).toHaveBeenCalledWith(225      expect.objectContaining({226        id: 'kind--story [0] fn1 [0] fn2',227        parentId: 'kind--story [0] fn1',228      })229    );230    expect(callSpy).toHaveBeenCalledWith(231      expect.objectContaining({ id: 'kind--story [1] fn3', parentId: undefined })232    );233  });234  it('instruments the call result to support chaining', () => {235    const { fn1 } = instrument({236      fn1: () => ({237        fn2: () => {},238      }),239    });240    fn1().fn2();241    expect(callSpy).toHaveBeenLastCalledWith(242      expect.objectContaining({243        method: 'fn2',244        path: [{ __callId__: callSpy.mock.calls[0][0].id }],245      })246    );247  });248  it('emits a "sync" event with debounce after a patched function is invoked', () => {249    const { fn } = instrument({ fn: (...args: any) => {} }, { intercept: true });250    jest.useFakeTimers();251    syncSpy.mockClear();252    fn('foo');253    fn('bar');254    jest.runAllTimers();255    expect(syncSpy).toHaveBeenCalledTimes(1);256  });257  it('sends a folded log with the "sync" event', () => {258    const { fn } = instrument({ fn: (...args: any) => ({ fn2: () => {} }) }, { intercept: true });259    jest.useFakeTimers();260    fn('foo', fn('bar')).fn2();261    fn('baz');262    jest.runAllTimers();263    expect(syncSpy).toHaveBeenCalledWith(264      expect.objectContaining({265        logItems: [266          { callId: 'kind--story [2] fn2', status: 'done' },267          { callId: 'kind--story [3] fn', status: 'done' },268        ],269      })270    );271  });272  it('catches thrown errors and returns the error', () => {273    const { fn } = instrument({274      fn: () => {275        throw new Error('Boom!');276      },277    });278    expect(fn()).toEqual(new Error('Boom!'));279    expect(() => setRenderPhase('played')).toThrow(new Error('Boom!'));280  });281  it('forwards nested exceptions', () => {282    const { fn1, fn2 } = instrument({283      fn1: (...args: any) => {}, // doesn't forward args284      fn2: () => {285        throw new Error('Boom!');286      },287    });288    expect(fn1(fn2())).toEqual(new Error('Boom!'));289    expect(() => setRenderPhase('played')).toThrow(new Error('Boom!'));290  });291  it("re-throws anything that isn't an error", () => {292    const { fn } = instrument({293      fn: () => {294        throw 'Boom!'; // eslint-disable-line no-throw-literal295      },296    });297    expect(fn).toThrow('Boom!');298    expect(callSpy).not.toHaveBeenCalled();299  });300  it('does not affect intercepted methods', () => {301    const { fn } = instrument({ fn: jest.fn() }, { intercept: true });302    fn('foo');303    expect(fn.__originalFn__).toHaveBeenCalledWith('foo');304  });305  it('clears state when switching stories', () => {306    addons.getChannel().emit(SET_CURRENT_STORY); // initialization307    instrumenter.state = {308      'kind--story': {309        isDebugging: false,310        cursor: 123,311        calls: [{ id: 'kind--story [0] fn' }],312        shadowCalls: [{ id: 'kind--story [0] fn' }, { id: 'kind--story [1] fn' }],313        callRefsByResult: new Map([[{}, 'ref']]),314        chainedCallIds: new Set(['kind--story [0] fn']),315        parentCall: { id: 'kind--story [0] fn' },316        playUntil: 'kind--story [1] fn',317        resolvers: { ref: () => {} },318        syncTimeout: 123,319        forwardedException: new Error('Oops'),320      },321    } as any;322    addons.getChannel().emit(SET_CURRENT_STORY);323    expect(instrumenter.state).toStrictEqual({});324  });325  describe('with intercept: true', () => {326    const options = { intercept: true };327    it('emits a call event with error data when the function throws', () => {328      const { fn } = instrument(329        {330          fn: () => {331            throw new Error('Boom!');332          },333        },334        options335      );336      expect(fn).toThrow();337      expect(callSpy).toHaveBeenCalledWith(338        expect.objectContaining({339          id: 'kind--story [0] fn',340          exception: {341            name: 'Error',342            message: 'Boom!',343            stack: expect.stringContaining('Error: Boom!'),344          },345        })346      );347    });348    it('catches thrown errors and throws an ignoredException instead', () => {349      const { fn } = instrument(350        {351          fn: () => {352            throw new Error('Boom!');353          },354        },355        options356      );357      expect(fn).toThrow('ignoredException');358    });359    it('catches forwarded exceptions and throws an ignoredException instead', () => {360      const { fn1, fn2 } = instrument(361        {362          fn1: (_: any) => {},363          fn2: () => {364            throw new Error('Boom!');365          },366        },367        options368      );369      expect(() => fn1(fn2())).toThrow('ignoredException');370    });371  });372  describe('while debugging', () => {373    afterEach(() => {374      addons.getChannel().emit(EVENTS.END, { storyId });375    });376    it('remounts on the "start" event', async () => {377      addons.getChannel().emit(EVENTS.START, { storyId });378      expect(forceRemountSpy).toHaveBeenCalled();379    });380    it('defers calls to intercepted functions', () => {381      const { fn } = instrument({ fn: jest.fn() }, { intercept: true });382      addons.getChannel().emit(EVENTS.START, { storyId });383      expect(fn()).toEqual(expect.any(Promise));384      expect(fn.__originalFn__).not.toHaveBeenCalled();385    });386    it('does not defer calls to non-intercepted functions', () => {387      const { fn } = instrument({ fn: jest.fn(() => 'ok') });388      addons.getChannel().emit(EVENTS.START, { storyId });389      expect(fn()).toBe('ok');390      expect(fn.__originalFn__).toHaveBeenCalled();391    });392    it('does not defer calls to intercepted functions that are chained upon', () => {393      const { fn1 } = instrument(394        { fn1: jest.fn(() => ({ fn2: jest.fn() as any })) },395        { intercept: true }396      );397      fn1().fn2();398      addons.getChannel().emit(EVENTS.START, { storyId });399      const res1 = fn1();400      expect(res1.fn2()).toEqual(expect.any(Promise));401      expect(fn1.__originalFn__).toHaveBeenCalledTimes(2);402      expect(res1.fn2.__originalFn__).not.toHaveBeenCalled();403    });404    it.skip('starts debugging at the first non-nested interceptable call', () => {405      const { fn } = instrument({ fn: jest.fn((...args: any) => args) }, { intercept: true });406      fn(fn(), fn()); // setup the dependencies407      addons.getChannel().emit(EVENTS.START, { storyId });408      const a = fn('a');409      const b = fn('b');410      const c = fn(a, b);411      expect(a).toEqual(['a']);412      expect(b).toEqual(['b']);413      expect(c).toEqual(expect.any(Promise));414    });415    it('steps through each interceptable function on "next"', async () => {416      const fn = jest.fn();417      const { fn: instrumentedFn } = instrument({ fn }, { intercept: true });418      const mockedInstrumentedFn = jest.fn(instrumentedFn);419      const play = async () => {420        await mockedInstrumentedFn();421        await mockedInstrumentedFn();422        await mockedInstrumentedFn();423      };424      await play();425      fn.mockClear();426      mockedInstrumentedFn.mockClear();427      addons.getChannel().emit(EVENTS.START, { storyId });428      const p = play();429      expect(mockedInstrumentedFn).toHaveBeenCalledTimes(1);430      expect(fn).toHaveBeenCalledTimes(0);431      addons.getChannel().emit(EVENTS.NEXT, { storyId });432      await new Promise((resolve) => setTimeout(resolve, 0));433      expect(mockedInstrumentedFn).toHaveBeenCalledTimes(2);434      expect(fn).toHaveBeenCalledTimes(1);435      addons.getChannel().emit(EVENTS.END, { storyId });436      await new Promise((resolve) => setTimeout(resolve, 0));437      expect(mockedInstrumentedFn).toHaveBeenCalledTimes(3);438      expect(fn).toHaveBeenCalledTimes(3);439      await p;440    });441  });...

functional.mocha.ts

Source:functional.mocha.ts

1/*2 * Copyright 2017-2018 Allegro.pl3 *4 * Licensed under the Apache License, Version 2.0 (the "License");5 * you may not use this file except in compliance with the License.6 * You may obtain a copy of the License at7 *8 *     http://www.apache.org/licenses/LICENSE-2.09 *10 * Unless required by applicable law or agreed to in writing, software11 * distributed under the License is distributed on an "AS IS" BASIS,12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.13 * See the License for the specific language governing permissions and14 * limitations under the License.15 */16import { expect } from "chai";17import * as sinon from "sinon";18import { SinonSpy } from "sinon";19import { sleep } from "../../../client/utils/test-utils/sleep";20import { complement, concatTruthy, cons, debounceWithPromise, flatMap, mapTruthy, thread, threadConditionally, threadNullable } from "./functional";21const inc = (x: number) => x + 1;22const double = (x: number) => x * 2;23const nil = (): void => null;24const wrap = (...numbers: number[]) => numbers;25describe("Functional utilities", () => {26  describe("cons", () => {27    it("should append to empty array", () => {28      expect(cons([], 1)).to.deep.eq([1]);29    });30    it("should keep nested arrays", () => {31      expect(cons([], [1])).to.deep.eq([[1]]);32    });33  });34  describe("flatMap", () => {35    it("should flatten", () => {36      const result = flatMap([1, 3], (i: number) => wrap(i, inc(i)));37      expect(result).to.deep.eq([1, 2, 3, 4]);38    });39    it("should omit empty arrays as values", () => {40      const result = flatMap([1, 2, 3, 4], () => []);41      expect(result).to.deep.eq([]);42    });43  });44  describe("concatTruthy", () => {45    it("should omit falsy values", () => {46      const result = concatTruthy<any>(0, 1, false, 2, 3, null, 4, undefined, 5);47      expect(result).to.deep.eq([0, 1, 2, 3, 4, 5]);48    });49  });50  describe("mapTruthy", () => {51    it("should omit falsy values from mapper", () => {52      const result = mapTruthy<any, any>([1, 2, 3, 4, 5], (i: number) => i % 2 ? i : null);53      expect(result).to.deep.eq([1, 3, 5]);54    });55  });56  describe("thread", () => {57    it("should thread value through all functions", () => {58      const result = thread(1, inc, double, inc);59      expect(result).to.eq(5);60    });61  });62  describe("threadNullable", () => {63    it("should thread value through all function as long all return values are truthy", () => {64      const result = threadNullable(1, inc, double, inc);65      expect(result).to.eq(5);66    });67    it("should return falsy value if some function in thread returns falsy value", () => {68      const result = threadNullable(1, inc, nil, inc, inc);69      expect(result).to.eq(null);70    });71  });72  describe("threadConditionally", () => {73    it("should thread value through all function as long all functions are callable", () => {74      const result = threadConditionally(1, inc, double, inc);75      expect(result).to.eq(5);76    });77    it("should omit falsy values in call chain", () => {78      const result = threadConditionally(1, inc, undefined, double, null, inc);79      expect(result).to.eq(5);80    });81  });82  describe("complement", () => {83    it("should produce complement predicate", () => {84      const moreThanTen = (x: number) => x > 10;85      expect(moreThanTen(5)).to.be.not.equal(complement(moreThanTen)(5));86      expect(moreThanTen(15)).to.be.not.equal(complement(moreThanTen)(15));87    });88  });89  describe("debounceWithPromise", () => {90    let callSpy: SinonSpy;91    beforeEach(() => {92      callSpy = sinon.spy();93    });94    it("should call function once", async () => {95      const debounced = debounceWithPromise(callSpy, 10);96      debounced();97      debounced();98      debounced();99      expect(callSpy.callCount).to.eq(0);100      await sleep(10);101      expect(callSpy.callCount).to.eq(1);102    });103    it("should call function with argument of last invocation", async () => {104      const debounced = debounceWithPromise(callSpy, 10);105      debounced(1);106      debounced(2);107      debounced(3);108      await sleep(10);109      expect(callSpy.calledWith(3)).to.be.true;110    });111    it("should call function again after if time passes", async () => {112      const debounced = debounceWithPromise(callSpy, 10);113      debounced();114      debounced();115      debounced();116      expect(callSpy.callCount).to.eq(0);117      await sleep(10);118      expect(callSpy.callCount).to.eq(1);119      debounced();120      await sleep(10);121      expect(callSpy.callCount).to.eq(2);122    });123    it("should not call function after cancelation", async () => {124      const debounced = debounceWithPromise(callSpy, 10);125      debounced();126      debounced();127      debounced.cancel();128      await sleep(10);129      expect(callSpy.callCount).to.eq(0);130    });131    it("should return promise with value", async () => {132      const returnVal = 5;133      const debounced = debounceWithPromise(() => returnVal, 10);134      const x = await debounced();135      expect(x).to.be.eq(returnVal);136    });137  });...

Using AI Code Generation

1import { callSpy } from 'storybook-root-decorator';2import { callSpy } from 'storybook-root-decorator';3import { callSpy } from 'storybook-root-decorator';4import { callSpy } from 'storybook-root-decorator';5import { callSpy } from 'storybook-root-decorator';6import { callSpy } from 'storybook-root-decorator';7import { callSpy } from 'storybook-root-decorator';8import { callSpy } from 'storybook-root-decorator';9import { callSpy } from 'storybook-root-decorator';10import { callSpy } from 'storybook-root-decorator';11import { callSpy } from 'storybook-root-decorator';12import { callSpy } from 'storybook-root-decorator';13import { callSpy } from 'storybook-root-decorator';14import { callSpy } from 'storybook-root-decorator';15import { callSpy } from 'storybook-root-decorator';16import { callSpy } from 'storybook-root-decorator';17import { callSpy } from 'storybook-root-decorator';18import { callSpy } from 'storybook-root-decorator';

Using AI Code Generation

1import { callSpy } from 'storybook-root';2export function test() {3  const spy = jest.fn();4  callSpy(spy, 1, 2, 3);5  expect(spy).toHaveBeenCalledWith(1, 2, 3);6}7import { configure } from '@storybook/react';8import 'storybook-root';9configure(() => {}, module);10module.exports = (baseConfig, env, defaultConfig) => {11  defaultConfig.module.rules.push({12    test: /\.(js|jsx)$/,13    loader: require.resolve('babel-loader'),14    include: [path.resolve(__dirname, '../'), path.resolve(__dirname, 'storybook-root')],15  });16  return defaultConfig;17};18import 'storybook-root';19module.exports = (baseConfig, env, defaultConfig) => {20  defaultConfig.module.rules.push({21    test: /\.(js|jsx)$/,22    loader: require.resolve('babel-loader'),23    include: [path.resolve(__dirname, '../'), path.resolve(__dirname, 'storybook-root')],24  });25  return defaultConfig;26};27import 'storybook-root';28module.exports = (baseConfig, env, defaultConfig) => {29  defaultConfig.module.rules.push({30    test: /\.(js|jsx)$/,31    loader: require.resolve('babel-loader'),32    include: [path.resolve(__dirname, '../'), path.resolve(__dirname, 'storybook-root')],33  });34  return defaultConfig;35};36import 'storybook-root';37module.exports = (baseConfig, env, defaultConfig) => {38  defaultConfig.module.rules.push({39    test: /\.(js|jsx)$/,40    loader: require.resolve('babel-loader'),41    include: [path.resolve(__dirname, '../'), path.resolve(__dirname, 'storybook-root')],

Using AI Code Generation

1import { callSpy } from 'storybook-root-spy';2import { storiesOf } from '@storybook/react';3storiesOf('Test', module)4  .add('Test', () => {5    callSpy('Test');6    return null;7  })8import { createStorybookRootSpy } from 'storybook-root-spy';9import { mount } from 'enzyme';10import Test from './test';11describe('Test', () => {12  const spy = createStorybookRootSpy();13  const wrapper = mount(<Test />);14  it('should call the spy', () => {15    expect(spy).toHaveBeenCalled();16  });17});18import { callSpy } from 'storybook-root-spy';19import { storiesOf } from '@storybook/react-native';20storiesOf('Test', module)21  .add('Test', () => {22    callSpy('Test');23    return null;24  })25import { createStorybookRootSpy } from 'storybook-root-spy';26import { mount } from 'enzyme';27import Test from './test';28describe('Test', () => {29  const spy = createStorybookRootSpy();30  const wrapper = mount(<Test />);31  it('should call the spy', () => {32    expect(spy).toHaveBeenCalled();33  });34});35import { storiesOf } from '@storybook/vue';36import { callSpy } from 'storybook-root-spy';37storiesOf('Test', module)38  .add('Test', () => {39    callSpy('Test');40    return null;41  })42import { createStorybookRootSpy } from 'storybook-root-spy';43import { mount } from 'enzyme';44import Test from './test';45describe('Test', () => {46  const spy = createStorybookRootSpy();47  const wrapper = mount(<Test />);48  it('should call the spy', () => {49    expect(spy

Using AI Code Generation

1import { callSpy } from 'storybook-root-scope';2export default {3};4export const Story = () => {5  const handleClick = () => {6    callSpy('Example/Story', 'handleClick', 'clicked');7  };8  return <button onClick={handleClick}>Click me</button>;9};10export const Story2 = () => {11  const handleClick = () => {12    callSpy('Example/Story2', 'handleClick', 'clicked');13  };14  return <button onClick={handleClick}>Click me</button>;15};16Story.storyName = 'Story';17Story2.storyName = 'Story2';18Story.parameters = {19};20Story2.parameters = {21};22import { callSpy, getSpy } from 'storybook-root-scope';23describe('Story', () => {24  it('should call spy', () => {25    callSpy('Example/Story', 'handleClick', 'clicked');26    expect(getSpy('Example/Story', 'handleClick')).toBeCalledWith('clicked');27  });28});29describe('Story2', () => {30  it('should call spy', () => {31    callSpy('Example/Story2', 'handleClick', 'clicked');32    expect(getSpy('Example/Story2', 'handleClick')).toBeCalledWith('clicked');33  });34});35import React from 'react';36import { addDecorator } from '@storybook/react';37import { withRootScope } from 'storybook-root-scope';38addDecorator(withRootScope);

Using AI Code Generation

1import { callSpy } from 'storybook-root/utils/test-utils';2import { getStorybookRoot } from 'storybook-root/utils/test-utils';3import { getStorybook } from '@storybook/react';4import { render } from '@testing-library/react';5import { StorybookRoot } from 'storybook-root';6import { storiesOf } from '@storybook/react';7storiesOf('test', module).add('test', () => {8  return <div>test</div>;9});10describe('test', () => {11  it('should pass', () => {12    const { container } = render(<StorybookRoot />);13    const storybookRoot = getStorybookRoot(container);14    const storybook = getStorybook();15    const story = storybook[0].stories[0];16    callSpy(storybookRoot, story.id, 'onClick');17  });18});19export const callSpy = (storybookRoot, storyId, spyName) => {20  const story = storybookRoot.find(storyId);21  const spy = story.props()[spyName];22  spy();23};24export const getStorybookRoot = (container) => {25  return container.querySelector('#storybook-root');26};27export const getStorybook = () => {28  return storiesOf('test', module);29};30import React from 'react';31import { storiesOf } from '@storybook/react';32import { StorybookRoot } from 'storybook-root';33storiesOf('storybook-root', module).add('storybook-root', () => {34  return <StorybookRoot />;35});36import React from 'react';37import { storiesOf } from '@storybook/react';38import { StorybookRoot } from 'storybook-root';39storiesOf('storybook-root', module).add('storybook-root', () => {40  return <StorybookRoot />;41});

Using AI Code Generation

1import callSpy from 'storybook-root-spy';2const spy = callSpy('mySpy');3import { addRootSpy } from 'storybook-root-spy';4import { addRootSpy } from 'storybook-root-spy';5import { addRootSpy } from 'storybook-root-spy';6import { addRootSpy } from 'storybook-root-spy';7import { addRootSpy } from 'storybook-root-spy';8import { addRootSpy } from 'storybook-root-spy';9import { addRootSpy } from 'storybook-root-spy';10import { addRootSpy } from 'storybook-root-spy';

Automation Testing Tutorials

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.