How to use readContent method in stryker-parent

Best JavaScript code snippet using stryker-parent

static_queries_migration_usage_spec.ts

Source:static_queries_migration_usage_spec.ts

...55          }56        }57      `);58      runMigration();59      expect(tree.readContent('/index.ts'))60          .toContain(`@ViewChild('test', { static: true }) query: any;`);61    });62    it('should mark view queries used in "ngAfterContentChecked" as static', () => {63      writeFile('/index.ts', `64        import {Component, ViewChild} from '@angular/core';65        66        @Component({template: '<span #test></span>'})67        export class MyComp {68          @ViewChild('test') query: any;69          70          ngAfterContentChecked() {71            this.query.classList.add('test');72          }73        }74      `);75      runMigration();76      expect(tree.readContent('/index.ts'))77          .toContain(`@ViewChild('test', { static: true }) query: any;`);78    });79  });80  describe('ContentChild', () => {81    createQueryTests('ContentChild');82    it('should not mark content queries used in "ngAfterContentInit" as static', () => {83      writeFile('/index.ts', `84        import {Component, ContentChild} from '@angular/core';85        86        @Component({template: '<span #test></span>'})87        export class MyComp {88          @ContentChild('test') query: any;89          90          ngAfterContentInit() {91            this.query.classList.add('test');92          }93        }94      `);95      runMigration();96      expect(tree.readContent('/index.ts'))97          .toContain(`@ContentChild('test', { static: false }) query: any;`);98    });99    it('should not mark content queries used in "ngAfterContentChecked" as static', () => {100      writeFile('/index.ts', `101        import {Component, ContentChild} from '@angular/core';102        103        @Component({template: '<span #test></span>'})104        export class MyComp {105          @ContentChild('test') query: any;106          107          ngAfterContentChecked() {108            this.query.classList.add('test');109          }110        }111      `);112      runMigration();113      expect(tree.readContent('/index.ts'))114          .toContain(`@ContentChild('test', { static: false }) query: any;`);115    });116  });117  function writeFile(filePath: string, contents: string) {118    host.sync.write(normalize(filePath), virtualFs.stringToFileBuffer(contents));119  }120  function runMigration() { runner.runSchematic('migration-v8-static-queries', {}, tree); }121  function createQueryTests(queryType: 'ViewChild' | 'ContentChild') {122    it('should mark queries as dynamic', () => {123      writeFile('/index.ts', `124        import {Component, ${queryType}} from '@angular/core';125        126        @Component({template: '<span #test></span>'})127        export class MyComp {128          @${queryType}('test') unused: any;129          @${queryType}('dynamic') dynamic: any;130          131          onClick() {132            this.dynamicQuery.classList.add('test');133          }134        }135      `);136      runMigration();137      expect(tree.readContent('/index.ts'))138          .toContain(`@${queryType}('test', { static: false }) unused: any;`);139      expect(tree.readContent('/index.ts'))140          .toContain(`@${queryType}('dynamic', { static: false }) dynamic: any`);141    });142    it('should mark queries used in "ngOnChanges" as static', () => {143      writeFile('/index.ts', `144        import {Component, ${queryType}} from '@angular/core';145        146        @Component({template: '<span #test></span>'})147        export class MyComp {148          @${queryType}('test') query: any;149          150          ngOnChanges() {151            this.query.classList.add('test'); 152          }153        }154      `);155      runMigration();156      expect(tree.readContent('/index.ts'))157          .toContain(`@${queryType}('test', { static: true }) query: any;`);158    });159    it('should mark queries used in "ngOnInit" as static', () => {160      writeFile('/index.ts', `161        import {Component, ${queryType}} from '@angular/core';162        163        @Component({template: '<span #test></span>'})164        export class MyComp {165          @${queryType}('test') query: any;166          167          ngOnInit() {168            this.query.classList.add('test'); 169          }170        }171      `);172      runMigration();173      expect(tree.readContent('/index.ts'))174          .toContain(`@${queryType}('test', { static: true }) query: any;`);175    });176    it('should mark queries used in "ngDoCheck" as static', () => {177      writeFile('/index.ts', `178        import {Component, ${queryType}} from '@angular/core';179        180        @Component({template: '<span #test></span>'})181        export class MyComp {182          @${queryType}('test') query: any;183          184          ngDoCheck() {185            this.query.classList.add('test'); 186          }187        }188      `);189      runMigration();190      expect(tree.readContent('/index.ts'))191          .toContain(`@${queryType}('test', { static: true }) query: any;`);192    });193    it('should keep existing query options when updating timing', () => {194      writeFile('/index.ts', `195        import {Component, ${queryType}} from '@angular/core';196        197        @Component({template: '<span #test></span>'})198        export class MyComp {199          @${queryType}('test', { /* test */ read: null }) query: any;200          201          ngOnInit() {202            this.query.classList.add('test');203          }204        }205      `);206      runMigration();207      expect(tree.readContent('/index.ts'))208          .toContain(`@${queryType}('test', { /* test */ read: null, static: true }) query: any;`);209    });210    it('should not overwrite existing explicit query timing', () => {211      writeFile('/index.ts', `212        import {Component, ${queryType}} from '@angular/core';213        214        @Component({template: '<span #test></span>'})215        export class MyComp {216          @${queryType}('test', {static: /* untouched */ someVal}) query: any;217        }218      `);219      runMigration();220      expect(tree.readContent('/index.ts'))221          .toContain(`@${queryType}('test', {static: /* untouched */ someVal}) query: any;`);222    });223    it('should detect queries used in deep method chain', () => {224      writeFile('/index.ts', `225        import {Component, ${queryType}} from '@angular/core';226        227        @Component({template: '<span #test></span>'})228        export class MyComp {229          // We intentionally add this comma for the second parameter in order230          // to ensure that the migration does not incorrectly create an invalid231          // decorator call with three parameters. e.g. "ViewQuery('test', {...}, )"232          @${queryType}('test', ) query: any;233          234          ngOnInit() {235            this.a();236          }237          238          a() {239            this.b();240          }241          242          b() {243            this.c();244          }245          246          c() {247            console.log(this.query);248          }249        }250      `);251      runMigration();252      expect(tree.readContent('/index.ts'))253          .toContain(`@${queryType}('test', { static: true }) query: any;`);254    });255    it('should properly exit if recursive function is analyzed', () => {256      writeFile('/index.ts', `257        import {Component, ${queryType}} from '@angular/core';258        259        @Component({template: '<span #test></span>'})260        export class MyComp {261          @${queryType}('test') query: any;262          263          ngOnInit() {264            this.recursive();265          }266          267          recursive() {           268            this.recursive();269          }270        }271      `);272      runMigration();273      expect(tree.readContent('/index.ts'))274          .toContain(`@${queryType}('test', { static: false }) query: any;`);275    });276    it('should detect queries used in newly instantiated classes', () => {277      writeFile('/index.ts', `278        import {Component, ${queryType}} from '@angular/core';279        280        @Component({template: '<span #test></span>'})281        export class MyComp {282          @${queryType}('test') query: any;283          @${queryType}('test') query2: any;284          285          ngOnInit() {286            new A(this);287            288            new class Inline {289              constructor(private ctx: MyComp) {290                this.a();291              }292              293              a() {294                this.ctx.query2.useStatically();295              }296            }(this);297          }298        }299        300        export class A {301          constructor(ctx: MyComp) {302            ctx.query.test();303          }304        }305      `);306      runMigration();307      expect(tree.readContent('/index.ts'))308          .toContain(`@${queryType}('test', { static: true }) query: any;`);309      expect(tree.readContent('/index.ts'))310          .toContain(`@${queryType}('test', { static: true }) query2: any;`);311    });312    it('should detect queries used in parenthesized new expressions', () => {313      writeFile('/index.ts', `314        import {Component, ${queryType}} from '@angular/core';315        316        @Component({template: '<span #test></span>'})317        export class MyComp {318          @${queryType}('test') query: any;319          320          ngOnInit() {321            new ((A))(this);322          }323        }324        325        export class A {326          constructor(ctx: MyComp) {327            ctx.query.test();328          }329        }330      `);331      runMigration();332      expect(tree.readContent('/index.ts'))333          .toContain(`@${queryType}('test', { static: true }) query: any;`);334    });335    it('should detect queries in lifecycle hook with string literal name', () => {336      writeFile('/index.ts', `337        import {Component, ${queryType}} from '@angular/core';338        339        @Component({template: '<span #test></span>'})340        export class MyComp {341          @${queryType}('test') query: any;342          343          'ngOnInit'() {344            this.query.test();345          }346        }347      `);348      runMigration();349      expect(tree.readContent('/index.ts'))350          .toContain(`@${queryType}('test', { static: true }) query: any;`);351    });352    it('should detect static queries within nested inheritance', () => {353      writeFile('/index.ts', `354        import {Component, ${queryType}} from '@angular/core';355        356        @Component({template: '<span #test></span>'})357        export class MyComp {358          @${queryType}('test') query: any;359        }360        361        export class A extends MyComp {}362        export class B extends A {363        364          ngOnInit() {365            this.query.testFn();366          }367        368        }369      `);370      runMigration();371      expect(tree.readContent('/index.ts'))372          .toContain(`@${queryType}('test', { static: true }) query: any;`);373    });374    it('should detect static queries used within input setters', () => {375      writeFile('/index.ts', `376        import {Component, Input, ${queryType}} from '@angular/core';377        378        @Component({template: '<span #test></span>'})379        export class MyComp {380          @${queryType}('test') query: any;381          382          @Input()383          get myVal() { return null; }384          set myVal(newVal: any) {385            this.query.classList.add('setter');386          }387        }388      `);389      runMigration();390      expect(tree.readContent('/index.ts'))391          .toContain(`@${queryType}('test', { static: true }) query: any;`);392    });393    it('should detect inputs defined in metadata', () => {394      writeFile('/index.ts', `395        import {Component, ${queryType}} from '@angular/core';396        397        @Component({398          template: '<span #test></span>',399          inputs: ["myVal"],400        })401        export class MyComp {402          @${queryType}('test') query: any;403          404          // We don't use the input decorator here as we want to verify405          // that it properly detects the input through the component metadata.406          get myVal() { return null; }407          set myVal(newVal: any) {408            this.query.classList.add('setter');409          }410        }411      `);412      runMigration();413      expect(tree.readContent('/index.ts'))414          .toContain(`@${queryType}('test', { static: true }) query: any;`);415    });416    it('should detect aliased inputs declared in metadata', () => {417      writeFile('/index.ts', `418        import {Component, ${queryType}} from '@angular/core';419        420        @Component({421          template: '<span #test></span>',422          inputs: ['prop: publicName'],423        })424        export class MyComp {425          @${queryType}('test') query: any;426          427          set prop(val: any) {428            this.query.test();429          }430        }431      `);432      runMigration();433      expect(tree.readContent('/index.ts'))434          .toContain(`@${queryType}('test', { static: true }) query: any;`);435    });436    it('should not mark query as static if query is used in non-input setter', () => {437      writeFile('/index.ts', `438        import {Component, ${queryType}} from '@angular/core';439        440        @Component({template: '<span #test></span>'})441        export class MyComp {442          @${queryType}('test') query: any;443          444          set myProperty(val: any) {445            this.query.test();446          }447        }448      `);449      runMigration();450      expect(tree.readContent('/index.ts'))451          .toContain(`@${queryType}('test', { static: false }) query: any;`);452    });453    it('should detect input decorator on setter', () => {454      writeFile('/index.ts', `455        import {Input, Component, ${queryType}} from '@angular/core';456        457        @Component({template: '<span #test></span>'})458        export class MyComp {459          @${queryType}('test') query: any;460          461          get myProperty() { return null; }462          463          // Usually the decorator is set on the get accessor, but it's also possible464          // to declare the input on the setter. This ensures that it is handled properly.465          @Input()466          set myProperty(val: any) {467            this.query.test();468          }469        }470      `);471      runMigration();472      expect(tree.readContent('/index.ts'))473          .toContain(`@${queryType}('test', { static: true }) query: any;`);474    });475    it('should detect setter inputs in derived classes', () => {476      writeFile('/index.ts', `477        import {Component, ${queryType}} from '@angular/core';478        479        @Component({480          template: '<span #test></span>',481          inputs: ['childSetter'],482        })483        export class MyComp {484          protected @${queryType}('test') query: any;485        }486        487        export class B extends MyComp {488          set childSetter(newVal: any) {489            this.query.test();490          }491        }492      `);493      runMigration();494      expect(tree.readContent('/index.ts'))495          .toContain(`@${queryType}('test', { static: true }) query: any;`);496    });497    it('should properly detect static query in external derived class', () => {498      writeFile('/src/index.ts', `499        import {Component, ${queryType}} from '@angular/core';500        501        @Component({template: '<span #test></span>'})502        export class MyComp {503          @${queryType}('test') query: any;504        }505      `);506      writeFile('/src/external.ts', `507        import {MyComp} from './index';508        509        export class ExternalComp extends MyComp {510          ngOnInit() {511            this.query.test();512          }513        }514      `);515      // Move the tsconfig into a subdirectory. This ensures that the update is properly516      // recorded for TypeScript projects not at the schematic tree root.517      host.sync.rename(normalize('/tsconfig.json'), normalize('/src/tsconfig.json'));518      runMigration();519      expect(tree.readContent('/src/index.ts'))520          .toContain(`@${queryType}('test', { static: true }) query: any;`);521    });522    it('should not mark queries used in promises as static', () => {523      writeFile('/index.ts', `524        import {Component, ${queryType}} from '@angular/core';525                        526        @Component({template: '<span #test></span>'})527        export class MyComp {528          private @${queryType}('test') query: any;529          private @${queryType}('test') query2: any;530        531          ngOnInit() {532            const a = Promise.resolve();533          534            Promise.resolve().then(() => {535              this.query.doSomething();536            });537            538            Promise.reject().catch(() => {539              this.query.doSomething();540            });541            542            a.then(() => {}).then(() => {543              this.query.doSomething();544            });545                        546            Promise.resolve().then(this.createPromiseCb());547          }548          549          createPromiseCb() {550            this.query2.doSomething();551            return () => { /* empty callback */}552          }553        }554      `);555      runMigration();556      expect(tree.readContent('/index.ts'))557          .toContain(`@${queryType}('test', { static: false }) query: any;`);558      expect(tree.readContent('/index.ts'))559          .toContain(`@${queryType}('test', { static: true }) query2: any;`);560    });561    it('should handle function callbacks which statically access queries', () => {562      writeFile('/index.ts', `563        import {Component, ${queryType}} from '@angular/core';564                        565        @Component({template: '<span #test></span>'})566        export class MyComp {567          private @${queryType}('test') query: any;568        569          ngOnInit() {        570            this.callSync(() => this.query.doSomething());571          }572          573          callSync(cb: Function) {574            this.callSync2(cb);575          }576          577          callSync2(cb: Function) {578            cb();579          }580        }581      `);582      runMigration();583      expect(tree.readContent('/index.ts'))584          .toContain(`@${queryType}('test', { static: true }) query: any;`);585    });586    it('should handle class instantiations with specified callbacks that access queries', () => {587      writeFile('/index.ts', `588        import {Component, ${queryType}} from '@angular/core';589        import {External} from './external';590                        591        @Component({template: '<span #test></span>'})592        export class MyComp {593          private @${queryType}('test') query: any;594        595          ngOnInit() {        596            new External(() => this.query.doSomething());597          }598        }599      `);600      writeFile('/external.ts', `601        export class External {602          constructor(cb: () => void) {603            // Add extra parentheses to ensure that expression is unwrapped. 604            ((cb))();605          }606        }607      `);608      runMigration();609      expect(tree.readContent('/index.ts'))610          .toContain(`@${queryType}('test', { static: true }) query: any;`);611    });612    it('should handle nested functions with arguments from parent closure', () => {613      writeFile('/index.ts', `614        import {Component, ${queryType}} from '@angular/core';615                        616        @Component({template: '<span #test></span>'})617        export class MyComp {618          private @${queryType}('test') query: any;619        620          ngOnInit() {        621            this.callSync(() => this.query.doSomething());622          }623          624          callSync(cb: Function) {625            function callSyncNested() {626              // The "cb" identifier comes from the "callSync" function.627              cb();628            }629            630            callSyncNested();631          }632        }633      `);634      runMigration();635      expect(tree.readContent('/index.ts'))636          .toContain(`@${queryType}('test', { static: true }) query: any;`);637    });638    it('should not mark queries used in setTimeout as static', () => {639      writeFile('/index.ts', `640        import {Component, ${queryType}} from '@angular/core';641                                642        @Component({template: '<span #test></span>'})643        export class MyComp {644          private @${queryType}('test') query: any;645          private @${queryType}('test') query2: any;646          private @${queryType}('test') query3: any;647        648          ngOnInit() {649            setTimeout(function() {650              this.query.doSomething();651            });652            653            setTimeout(createCallback(this));654          }655        }656        657        function createCallback(instance: MyComp) {658          instance.query2.doSomething();659          return () => instance.query3.doSomething();660        }661      `);662      runMigration();663      expect(tree.readContent('/index.ts'))664          .toContain(`@${queryType}('test', { static: false }) query: any;`);665      expect(tree.readContent('/index.ts'))666          .toContain(`@${queryType}('test', { static: true }) query2: any;`);667      expect(tree.readContent('/index.ts'))668          .toContain(`@${queryType}('test', { static: false }) query3: any;`);669    });670    it('should not mark queries used in "addEventListener" as static', () => {671      writeFile('/index.ts', `672        import {Component, ElementRef, ${queryType}} from '@angular/core';673                        674        @Component({template: '<span #test></span>'})675        export class MyComp {676          private @${queryType}('test') query: any;677        678          constructor(private elementRef: ElementRef) {}679        680          ngOnInit() {681            this.elementRef.addEventListener(() => {682              this.query.classList.add('test');683            });684          }685        }686      `);687      runMigration();688      expect(tree.readContent('/index.ts'))689          .toContain(`@${queryType}('test', { static: false }) query: any;`);690    });691    it('should not mark queries used in "requestAnimationFrame" as static', () => {692      writeFile('/index.ts', `693        import {Component, ElementRef, ${queryType}} from '@angular/core';694                        695        @Component({template: '<span #test></span>'})696        export class MyComp {697          private @${queryType}('test') query: any;698        699          constructor(private elementRef: ElementRef) {}700        701          ngOnInit() {702            requestAnimationFrame(() => {703              this.query.classList.add('test');704            });705          }706        }707      `);708      runMigration();709      expect(tree.readContent('/index.ts'))710          .toContain(`@${queryType}('test', { static: false }) query: any;`);711    });712    it('should mark queries used in immediately-invoked function expression as static', () => {713      writeFile('/index.ts', `714        import {Component, ${queryType}} from '@angular/core';715                        716        @Component({template: '<span #test></span>'})717        export class MyComp {718          private @${queryType}('test') query: any;719          private @${queryType}('test') query2: any;720                721          ngOnInit() {722            (() => {723              this.query.usedStatically();724            })();725            726            (function(ctx) {727              ctx.query2.useStatically();728            })(this);729          }730        }731      `);732      runMigration();733      expect(tree.readContent('/index.ts'))734          .toContain(`@${queryType}('test', { static: true }) query: any;`);735      expect(tree.readContent('/index.ts'))736          .toContain(`@${queryType}('test', { static: true }) query2: any;`);737    });738    it('should detect static queries used in external function-like declaration', () => {739      writeFile('/index.ts', `740        import {Component, ${queryType}} from '@angular/core';741        import {externalFn} from './external';742                        743        @Component({template: '<span #test></span>'})744        export class MyComp {745          private @${queryType}('test') query: any;746                747          ngOnInit() {748            externalFn(this);749          }750        }751      `);752      writeFile('/external.ts', `753        import {MyComp} from './index';754        755        export function externalFn(ctx: MyComp) {756          ctx.query.usedStatically();757        }758      `);759      runMigration();760      expect(tree.readContent('/index.ts'))761          .toContain(`@${queryType}('test', { static: true }) query: any;`);762    });763    it('should detect static queries used through getter property access', () => {764      writeFile('/index.ts', `765        import {Component, ${queryType}} from '@angular/core';766                        767        @Component({template: '<span #test></span>'})768        export class MyComp {769          private @${queryType}('test') query: any;770                771          get myProp() {772            return this.query.myValue;773          }774          775          ngOnInit() {776            this.myProp.test();777          }778        }779      `);780      runMigration();781      expect(tree.readContent('/index.ts'))782          .toContain(`@${queryType}('test', { static: true }) query: any;`);783    });784    it('should detect static queries used through external getter access', () => {785      writeFile('/index.ts', `786        import {Component, ${queryType}} from '@angular/core';787        import {External} from './external';788                        789        @Component({template: '<span #test></span>'})790        export class MyComp {791          @${queryType}('test') query: any;792          793          private external = new External(this);794                795          get myProp() {796            return this.query.myValue;797          }798          799          ngOnInit() {800            console.log(this.external.query);801          }802        }803      `);804      writeFile('/external.ts', `805        import {MyComp} from './index';806      807        export class External {808          constructor(private comp: MyComp) {}809          810          set query() { /** noop */ }811          get query() { return this.comp.query; }812        }813      `);814      runMigration();815      expect(tree.readContent('/index.ts'))816          .toContain(`@${queryType}('test', { static: true }) query: any;`);817    });818    it('should not mark queries as static if a value is assigned to accessor property', () => {819      writeFile('/index.ts', `820        import {Component, ${queryType}} from '@angular/core';821                        822        @Component({template: '<span #test></span>'})823        export class MyComp {824          private @${queryType}('test') query: any;825              826          set myProp(value: any) { /* noop */}827          get myProp() {828            return this.query.myValue;829          }830          831          ngOnInit() {832            this.myProp = true;833          }834        }835      `);836      runMigration();837      expect(tree.readContent('/index.ts'))838          .toContain(`@${queryType}('test', { static: false }) query: any;`);839    });840    it('should mark queries as static if non-input setter uses query', () => {841      writeFile('/index.ts', `842        import {Component, ${queryType}} from '@angular/core';843                        844        @Component({template: '<span #test></span>'})845        export class MyComp {846          private @${queryType}('test') query: any;847              848          get myProp() { return null; }849          set myProp(value: any) {850            this.query.doSomething();851          }852 853          ngOnInit() {854            this.myProp = 'newValue';855          }856        }857      `);858      runMigration();859      expect(tree.readContent('/index.ts'))860          .toContain(`@${queryType}('test', { static: true }) query: any;`);861    });862    it('should check setter and getter when using compound assignment', () => {863      writeFile('/index.ts', `864        import {Component, ${queryType}} from '@angular/core';865                        866        @Component({template: '<span #test></span>'})867        export class MyComp {868          private @${queryType}('test') query: any;869          private @${queryType}('test') query2: any;870              871          get myProp() { return this.query2 }872          set myProp(value: any) {873            this.query.doSomething();874          }875 876          ngOnInit() {877            this.myProp *= 5;878          }879        }880      `);881      runMigration();882      expect(tree.readContent('/index.ts'))883          .toContain(`@${queryType}('test', { static: true }) query: any;`);884      expect(tree.readContent('/index.ts'))885          .toContain(`@${queryType}('test', { static: true }) query2: any;`);886    });887    it('should check getters when using comparison operator in binary expression', () => {888      writeFile('/index.ts', `889        import {Component, ${queryType}} from '@angular/core';890                        891        @Component({template: '<span #test></span>'})892        export class MyComp {893          private @${queryType}('test') query: any;894              895          get myProp() { return this.query }896          set myProp(value: any) { /* noop */ }897 898          ngOnInit() {899            if (this.myProp === 3) {900              // noop901            }902          }903        }904      `);905      runMigration();906      expect(tree.readContent('/index.ts'))907          .toContain(`@${queryType}('test', { static: true }) query: any;`);908    });909    it('should check derived abstract class methods', () => {910      writeFile('/index.ts', `911        import {Component, ${queryType}} from '@angular/core';912        913        export abstract class RootBaseClass {914          abstract getQuery(): any;915          916          ngOnInit() {917            this.getQuery().doSomething();918          }919        }920                        921        export abstract class BaseClass extends RootBaseClass {922          abstract getQuery2(): any;923          924          getQuery() {925            this.getQuery2();926          }927        }928        929        @Component({template: '<span #test></span>'})930        export class Subclass extends BaseClass {931          @${queryType}('test') query: any;932        933          getQuery2(): any {934            return this.query; 935          }936        }937      `);938      runMigration();939      expect(tree.readContent('/index.ts'))940          .toContain(`@${queryType}('test', { static: true }) query: any;`);941    });942    it('should detect queries accessed through deep abstract class method', () => {943      writeFile('/index.ts', `944        import {Component, ${queryType}} from '@angular/core';945        946        export abstract class RootBaseClass {947          abstract getQuery(): any;948          949          ngOnInit() {950            this.getQuery().doSomething();951          }952        }953                        954        export abstract class BaseClass extends RootBaseClass {955          /* additional layer of indirection */956        }957        958        @Component({template: '<span #test></span>'})959        export class Subclass extends BaseClass {960          @${queryType}('test') query: any;961        962          getQuery(): any {963            return this.query; 964          }965        }966      `);967      runMigration();968      expect(tree.readContent('/index.ts'))969          .toContain(`@${queryType}('test', { static: true }) query: any;`);970    });971    it('should detect queries accessed through abstract property getter', () => {972      writeFile('/index.ts', `973        import {Component, ${queryType}} from '@angular/core';974        975        export abstract class BaseClass {976          abstract myQuery: any;977          978          ngOnInit() {979            this.myQuery.doSomething();980          }981        }982        983        @Component({template: '<span #test></span>'})984        export class Subclass extends BaseClass {985          @${queryType}('test') query: any;986        987          get myQuery() { return this.query; }988        }989      `);990      runMigration();991      expect(tree.readContent('/index.ts'))992          .toContain(`@${queryType}('test', { static: true }) query: any;`);993    });994    it('should detect queries accessed through abstract property setter', () => {995      writeFile('/index.ts', `996        import {Component, ${queryType}} from '@angular/core';997        998        export abstract class BaseClass {999          abstract myQuery: any;1000          1001          ngOnInit() {1002            this.myQuery = "trigger";1003          }1004        }1005        1006        @Component({template: '<span #test></span>'})1007        export class Subclass extends BaseClass {1008          @${queryType}('test') query: any;1009        1010          set myQuery(val: any) { this.query.doSomething() }1011          get myQuery() { /* noop */ }1012        }1013      `);1014      runMigration();1015      expect(tree.readContent('/index.ts'))1016          .toContain(`@${queryType}('test', { static: true }) query: any;`);1017    });1018    it('should detect query usage in abstract class methods accessing inherited query', () => {1019      writeFile('/index.ts', `1020        import {Component, ${queryType}} from '@angular/core';1021        1022        export abstract class RootBaseClass {1023          abstract getQuery(): any;1024          1025          ngOnInit() {1026            this.getQuery().doSomething();1027          }1028        }1029                        1030        export abstract class BaseClass extends RootBaseClass {1031          @${queryType}('test') query: any;1032          abstract getQuery2(): any;1033          1034          getQuery() {1035            this.getQuery2();1036          }1037        }1038        1039        @Component({template: '<span #test></span>'})1040        export class Subclass extends BaseClass {1041        1042          getQuery2(): any {1043            return this.query;1044          }1045        }1046      `);1047      runMigration();1048      expect(tree.readContent('/index.ts'))1049          .toContain(`@${queryType}('test', { static: true }) query: any;`);1050    });1051    it('should detect query usage within component template', () => {1052      writeFile('/index.ts', `1053        import {Component, ${queryType}} from '@angular/core';1054        1055        @Component({templateUrl: 'my-template.html'})1056        export class MyComponent {1057          @${queryType}('test') query: any;1058        }1059      `);1060      writeFile(`/my-template.html`, `1061        <foo #test></foo>1062        <comp [dir]="query"></comp>1063      `);1064      runMigration();1065      expect(tree.readContent('/index.ts'))1066          .toContain(`@${queryType}('test', { static: true }) query: any;`);1067    });1068    it('should detect query usage with nested property read within component template', () => {1069      writeFile('/index.ts', `1070        import {Component, ${queryType}} from '@angular/core';1071        1072        @Component({templateUrl: 'my-template.html'})1073        export class MyComponent {1074          @${queryType}('test') query: any;1075        }1076      `);1077      writeFile(`/my-template.html`, `1078        <foo #test></foo>1079        <comp [dir]="query.someProperty"></comp>1080      `);1081      runMigration();1082      expect(tree.readContent('/index.ts'))1083          .toContain(`@${queryType}('test', { static: true }) query: any;`);1084    });1085    it('should not mark query as static if template has template reference with same name', () => {1086      writeFile('/index.ts', `1087        import {Component, ${queryType}} from '@angular/core';1088        1089        @Component({templateUrl: 'my-template.html'})1090        export class MyComponent {1091          @${queryType}('test') query: any;1092        }1093      `);1094      writeFile(`/my-template.html`, `1095        <foo #test></foo>1096        <same-name #query></same-name>1097        <!-- In that case the "query" from the component cannot be referenced. -->1098        <comp [dir]="query"></comp>1099      `);1100      runMigration();1101      expect(tree.readContent('/index.ts'))1102          .toContain(`@${queryType}('test', { static: false }) query: any;`);1103    });1104    it('should not mark query as static if template has property read with query name but different receiver',1105       () => {1106         writeFile('/index.ts', `1107        import {Component, ${queryType}} from '@angular/core';1108        1109        @Component({templateUrl: 'my-template.html'})1110        export class MyComponent {1111          myObject: {someProp: any};1112          @${queryType}('test') someProp: any;1113        }1114      `);1115         // This test ensures that we don't accidentally treat template property reads1116         // which do not refer to the query of the component instance, but have the same1117         // "render3Ast.PropertyRead" name, as references to the query declaration.1118         writeFile(`/my-template.html`, `1119        <foo #test></foo>1120        <comp [dir]="myObject.someProp"></comp>1121      `);1122         runMigration();1123         expect(tree.readContent('/index.ts'))1124             .toContain(`@${queryType}('test', { static: false }) someProp: any;`);1125       });1126    it('should ignore queries accessed within <ng-template> element', () => {1127      writeFile('/index.ts', `1128        import {Component, ${queryType}} from '@angular/core';1129        1130        @Component({templateUrl: 'my-template.html'})1131        export class MyComponent {1132          @${queryType}('test') query: any;1133        }1134      `);1135      writeFile(`/my-template.html`, `1136        <foo #test></foo>1137        1138        <ng-template>1139          <my-comp [myInput]="query"></my-comp>1140        </ng-template>1141      `);1142      runMigration();1143      expect(tree.readContent('/index.ts'))1144          .toContain(`@${queryType}('test', { static: false }) query: any;`);1145    });1146    it('should detect inherited queries used in templates', () => {1147      writeFile('/index.ts', `1148        import {Component, ${queryType}} from '@angular/core';1149        1150        export class ParentClass {1151          @${queryType}('test') query: any;1152        }1153        1154        @Component({templateUrl: 'my-template.html'})1155        export class MyComponent extends ParentClass {}1156      `);1157      writeFile(`/my-template.html`, `1158        <foo #test></foo>1159        <my-comp [myInput]="query"></my-comp>1160      `);1161      runMigration();1162      expect(tree.readContent('/index.ts'))1163          .toContain(`@${queryType}('test', { static: true }) query: any;`);1164    });1165    it('should properly handle multiple tsconfig files', () => {1166      writeFile('/src/index.ts', `1167        import {Component, ${queryType}} from '@angular/core';1168                        1169        @Component({template: '<span #test></span>'})1170        export class MyComp {1171          private @${queryType}('test') query: any;1172        }1173      `);1174      writeFile('/src/tsconfig.json', JSON.stringify({1175        compilerOptions: {1176          lib: ['es2015'],1177        }1178      }));1179      // The migration runs for "/tsconfig.json" and "/src/tsconfig.json" which both1180      // contain the "src/index.ts" file. This test ensures that we don't incorrectly1181      // apply the code transformation multiple times with outdated offsets.1182      runMigration();1183      expect(tree.readContent('/src/index.ts'))1184          .toContain(`@${queryType}('test', { static: false }) query: any;`);1185    });1186  }...

missing_injectable_migration_spec.ts

Source:missing_injectable_migration_spec.ts

...74          export class TestClass {}75        `);76         await runMigration();77         expect(warnOutput.length).toBe(0);78         expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class MyService/);79         expect(tree.readContent('/index.ts'))80             .toMatch(/@Injectable\(\)\s+export class MySecondService/);81         expect(tree.readContent('/index.ts'))82             .toContain(`{ Component, Injectable } from '@angular/core`);83       });84  });85  function createTests(86      type: 'NgModule'|'Directive'|'Component', propName: 'providers'|'viewProviders') {87    it(`should migrate type provider in ${type}`, async () => {88      writeFile('/index.ts', `89        import {${type}} from '@angular/core';90        export class MyService {}91        @${type}({${propName}: [MyService]})92        export class TestClass {}93      `);94      await runMigration();95      expect(warnOutput.length).toBe(0);96      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class MyService/);97      expect(tree.readContent('/index.ts'))98          .toContain(`{ ${type}, Injectable } from '@angular/core`);99    });100    it(`should migrate object literal provider in ${type} to explicit value provider`, async () => {101      writeFile('/index.ts', `102        import {${type}} from '@angular/core';103        export class MyService {}104        @${type}({${propName}: [{provide: MyService}]})105        export class TestClass {}106      `);107      await runMigration();108      expect(warnOutput.length).toBe(0);109      expect(tree.readContent('/index.ts')).toMatch(/@angular\/core';\s+export class MyService/);110      expect(tree.readContent('/index.ts'))111          .toContain(`${propName}: [{ provide: MyService, useValue: undefined }]`);112      expect(tree.readContent('/index.ts')).toContain(`{${type}} from '@angular/core`);113    });114    it(`should migrate object literal provider with forwardRef in ${type}`, async () => {115      writeFile('/index.ts', `116        import {${type}, forwardRef} from '@angular/core';117        @${type}({${propName}: [forwardRef(() => MyService)]})118        export class TestClass {}119        export class MyService {}120      `);121      await runMigration();122      expect(warnOutput.length).toBe(0);123      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class MyService/);124      expect(tree.readContent('/index.ts'))125          .toContain(`{ ${type}, forwardRef, Injectable } from '@angular/core`);126    });127    it(`should not migrate object literal provider with "useValue" in ${type}`, async () => {128      writeFile('/index.ts', `129        import {${type}} from '@angular/core';130        export class MyService {}131        @${type}({${propName}: [{provide: MyService, useValue: null }]})132        export class TestClass {}133      `);134      await runMigration();135      expect(warnOutput.length).toBe(0);136      expect(tree.readContent('/index.ts')).not.toContain('@Injectable');137    });138    it(`should not migrate provider with "useClass" and "deps" in ${type}`, async () => {139      writeFile('/index.ts', `140        import {${type}} from '@angular/core';141        export class MyService {}142        @${type}({${propName}: [{provide: MyService, deps: []}]})143        export class TestClass {}144      `);145      await runMigration();146      expect(warnOutput.length).toBe(0);147      expect(tree.readContent('/index.ts')).not.toContain('@Injectable');148    });149    it(`should not migrate object literal provider with "useFactory" in ${type}`, async () => {150      writeFile('/index.ts', `151        import {${type}} from '@angular/core';152        export class MyService {}153        @${type}({${propName}: [{provide: MyService, useFactory: () => null }]})154        export class TestClass {}155      `);156      await runMigration();157      expect(warnOutput.length).toBe(0);158      expect(tree.readContent('/index.ts')).not.toContain('@Injectable');159    });160    it(`should not migrate object literal provider with "useExisting" in ${type}`, async () => {161      writeFile('/index.ts', `162        import {${type}} from '@angular/core';163        export class MyService {}164        export class MyToken {}165        @${type}({${propName}: [166          {provide: MyService: useValue: null},167          {provide: MyToken, useExisting: MyService},168        ]})169        export class TestClass {}170      `);171      await runMigration();172      expect(warnOutput.length).toBe(0);173      expect(tree.readContent('/index.ts')).not.toContain('@Injectable');174    });175    it(`should migrate object literal provider with "useClass" in ${type}`, async () => {176      writeFile('/index.ts', `177        import {${type}} from '@angular/core';178        export class MyService {}179        export class MyToken {}180        @${type}({${propName}: [{provide: MyToken, useClass: MyService}]})181        export class TestClass {}182      `);183      await runMigration();184      expect(warnOutput.length).toBe(0);185      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class MyService/);186      expect(tree.readContent('/index.ts')).toMatch(/MyService {}\s+export class MyToken/);187      expect(tree.readContent('/index.ts'))188          .toContain(`{ ${type}, Injectable } from '@angular/core`);189    });190    it(`should not migrate references for providers with "useExisting" in ${type}, but migrate ` +191           `existing token if declared in other ${type}`,192       async () => {193         writeFile('/index.ts', `194        import {${type}} from '@angular/core';195        export class MyService {}196        export class MyToken {}197        @${type}({198          ${propName}: [199            {provide: MyToken, useExisting: MyService},200          ],201        })202        export class TestClass {}203      `);204         writeFile('/other.ts', `205        import {${type} from '@angular/core';206        import {MyService} from './index';207        export @${type}({208          ${propName}: [{provide: MyService, useClass: MyService}],209        })210        export class OtherClass {}211      `);212         await runMigration();213         expect(warnOutput.length).toBe(0);214         expect(tree.readContent('/index.ts'))215             .toMatch(/@angular\/core';\s+@Injectable\(\)\s+export class MyService/);216         expect(tree.readContent('/index.ts')).toMatch(/MyService {}\s+export class MyToken/);217       });218    it('should not migrate provider which is already decorated with @Injectable', async () => {219      writeFile('/index.ts', `220        import {Injectable, ${type}} from '@angular/core';221        @Injectable()222        export class MyService {}223        @${type}({${propName}: [MyService]})224        export class TestClass {}225      `);226      await runMigration();227      expect(warnOutput.length).toBe(0);228      expect(tree.readContent('/index.ts'))229          .toMatch(/@angular\/core';\s+@Injectable\(\)\s+export class MyService/);230    });231    it('should not migrate provider which is already decorated with @Directive', async () => {232      writeFile('/index.ts', `233        import {Directive, ${type}} from '@angular/core';234        @Directive()235        export class MyService {}236        @${type}({${propName}: [MyService]})237        export class TestClass {}238      `);239      await runMigration();240      expect(warnOutput.length).toBe(0);241      expect(tree.readContent('/index.ts')).not.toContain('@Injectable');242    });243    it('should not migrate provider which is already decorated with @Component', async () => {244      writeFile('/index.ts', `245        import {Component, ${type}} from '@angular/core';246        @Component()247        export class MyService {}248        @${type}({${propName}: [MyService]})249        export class TestClass {}250      `);251      await runMigration();252      expect(warnOutput.length).toBe(0);253      expect(tree.readContent('/index.ts')).not.toContain('@Injectable');254    });255    it('should not migrate provider which is already decorated with @Pipe', async () => {256      writeFile('/index.ts', `257        import {Pipe, ${type}} from '@angular/core';258        @Pipe()259        export class MyService {}260        @${type}({${propName}: [MyService]})261        export class TestClass {}262      `);263      await runMigration();264      expect(warnOutput.length).toBe(0);265      expect(tree.readContent('/index.ts')).not.toContain('@Injectable');266    });267    it('should not migrate provider which is already decorated with @NgModule', async () => {268      const importedSymbols = type !== 'NgModule' ? ['NgModule', type] : ['NgModule'];269      writeFile('/index.ts', `270        import {${importedSymbols.join(', ')}} from '@angular/core';271        @NgModule()272        export class MyOtherModule {}273        @${type}({${propName}: [MyOtherModule]})274        export class TestClass {}275      `);276      await runMigration();277      expect(warnOutput.length).toBe(0);278      expect(tree.readContent('/index.ts')).not.toContain('@Injectable');279    });280    it(`should migrate multiple providers in same ${type}`, async () => {281      writeFile('/index.ts', `282      import {${type}} from '@angular/core';283      export class ServiceA {}284      export class ServiceB {}285      @${type}({${propName}: [ServiceA, ServiceB]})286      export class TestClass {}287    `);288      await runMigration();289      expect(warnOutput.length).toBe(0);290      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceA/);291      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceB/);292      expect(tree.readContent('/index.ts'))293          .toContain(`{ ${type}, Injectable } from '@angular/core`);294    });295    it(`should migrate multiple mixed providers in same ${type}`, async () => {296      writeFile('/index.ts', `297        import {${type}} from '@angular/core';298        export class ServiceA {}299        export class ServiceB {}300        export class ServiceC {}301        @${type}({302          ${propName}: [303            ServiceA,304            {provide: ServiceB},305            {provide: SomeToken, useClass: ServiceC},306          ]})307        export class TestClass {}308      `);309      await runMigration();310      expect(warnOutput.length).toBe(0);311      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceA/);312      expect(tree.readContent('/index.ts')).toMatch(/ServiceA {}\s+export class ServiceB/);313      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceC/);314      expect(tree.readContent('/index.ts'))315          .toContain(`{ ${type}, Injectable } from '@angular/core`);316      expect(tree.readContent('/index.ts'))317          .toContain(`{ provide: ServiceB, useValue: undefined },`);318    });319    it(`should migrate multiple nested providers in same ${type}`, async () => {320      writeFile('/index.ts', `321        import {${type}} from '@angular/core';322        export class ServiceA {}323        export class ServiceB {}324        export class ServiceC {}325        export class ServiceD {}326        @${type}({327          ${propName}: [328            ServiceA,329            [330              {provide: ServiceB, useClass: ServiceB},331              ServiceC,332              {provide: ServiceD},333            ],334          ]})335        export class TestClass {}336      `);337      await runMigration();338      expect(warnOutput.length).toBe(0);339      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceA/);340      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceB/);341      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceC/);342      expect(tree.readContent('/index.ts')).toMatch(/ServiceC {}\s+export class ServiceD/);343      expect(tree.readContent('/index.ts'))344          .toContain(`{ ${type}, Injectable } from '@angular/core`);345      expect(tree.readContent('/index.ts'))346          .toContain(`{ provide: ServiceD, useValue: undefined },`);347    });348    it('should migrate providers referenced through identifier', async () => {349      writeFile('/index.ts', `350        import {${type}} from '@angular/core';351        export class ServiceA {}352        export class ServiceB {}353        export class ServiceC {}354        const PROVIDERS = [355          ServiceA,356          ServiceB,357          // trailing comma is by intention to check if do not create358          // an invalid object literal.359          {provide: ServiceC, },360        ];361        @${type}({362          ${propName}: PROVIDERS,363        })364        export class TestClass {}365      `);366      await runMigration();367      expect(warnOutput.length).toBe(0);368      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceA/);369      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceB/);370      expect(tree.readContent('/index.ts')).toMatch(/ServiceB {}\s+export class ServiceC/);371      expect(tree.readContent('/index.ts'))372          .toContain(`{ ${type}, Injectable } from '@angular/core`);373      expect(tree.readContent('/index.ts'))374          .toContain(`{ provide: ServiceC, useValue: undefined },`);375    });376    it('should migrate providers created through static analyzable function call', async () => {377      writeFile('/index.ts', `378        import {${type}} from '@angular/core';379        export class ServiceA {}380        export class ServiceB {}381        export class ServiceC {}382        export function createProviders(x: any, b: any) {383          return [ServiceA, x, b]384        }385        @${type}({386          ${propName}: createProviders(ServiceB, {provide: ServiceC}),387        })388        export class TestClass {}389      `);390      await runMigration();391      expect(warnOutput.length).toBe(0);392      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceA/);393      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceB/);394      expect(tree.readContent('/index.ts')).toMatch(/ServiceB {}\s+export class ServiceC/);395      expect(tree.readContent('/index.ts'))396          .toContain(`{ ${type}, Injectable } from '@angular/core`);397      expect(tree.readContent('/index.ts'))398          .toContain(`ServiceB, { provide: ServiceC, useValue: undefined }),`);399    });400    it('should migrate providers which are computed through spread operator', async () => {401      writeFile('/index.ts', `402        import {${type}} from '@angular/core';403        export class ServiceA {}404        export class ServiceB {}405        export class ServiceC {}406        const otherServices = [ServiceB, {provide: ServiceC}];407        @${type}({408          ${propName}: [ServiceA, ...otherServices],409        })410        export class TestClass {}411      `);412      await runMigration();413      expect(warnOutput.length).toBe(0);414      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceA/);415      expect(tree.readContent('/index.ts')).toMatch(/@Injectable\(\)\s+export class ServiceB/);416      expect(tree.readContent('/index.ts')).toMatch(/ServiceB {}\s+export class ServiceC/);417      expect(tree.readContent('/index.ts'))418          .toContain(`{ ${type}, Injectable } from '@angular/core`);419      expect(tree.readContent('/index.ts'))420          .toContain(`ServiceB, { provide: ServiceC, useValue: undefined }];`);421    });422    it(`should migrate provider once if referenced in multiple ${type} definitions`, async () => {423      writeFile('/index.ts', `424        import {${type}} from '@angular/core';425        export class ServiceA {}426        @${type}({${propName}: [ServiceA]})427        export class TestClassA {}428      `);429      writeFile('/second.ts', `430        import {${type}} from '@angular/core';431        import {ServiceA} from './index';432        export class ServiceB {}433        @${type}({${propName}: [ServiceA, ServiceB]})434        export class TestClassB {}435      `);436      await runMigration();437      expect(warnOutput.length).toBe(0);438      expect(tree.readContent('/index.ts'))439          .toMatch(/@angular\/core';\s+@Injectable\(\)\s+export class ServiceA/);440      expect(tree.readContent('/index.ts'))441          .toContain(`{ ${type}, Injectable } from '@angular/core`);442      expect(tree.readContent('/second.ts')).toMatch(/@Injectable\(\)\s+export class ServiceB/);443      expect(tree.readContent('/second.ts'))444          .toContain(`{ ${type}, Injectable } from '@angular/core`);445    });446    it(`should only migrate empty object provider literal once if referenced multiple times ` +447           `in ${type} definitions`,448       async () => {449         writeFile('/provider.ts', `450        export class MyService {}451        export const PROVIDER = {provide: MyService};452      `);453         writeFile('/index.ts', `454        import {${type}} from '@angular/core';455        import {PROVIDER} from './provider';456        @${type}({${propName}: [PROVIDER]})457        export class TestClassA {}458      `);459         writeFile('/second.ts', `460        import {${type}} from '@angular/core';461        import {PROVIDER} from './provider';462        export class ServiceB {}463        @${type}({${propName}: [PROVIDER, ServiceB]})464        export class TestClassB {}465      `);466         await runMigration();467         expect(warnOutput.length).toBe(0);468         expect(tree.readContent('/provider.ts')).toMatch(/^\s+export class MyService {}/);469         expect(tree.readContent('/provider.ts'))470             .toContain(`const PROVIDER = { provide: MyService, useValue: undefined };`);471       });472    it('should create new import for @Injectable when migrating provider', async () => {473      writeFile('/index.ts', `474        import {${type}} from '@angular/core';475        import {MyService, MySecondService} from './service';476        @${type}({${propName}: [MyService, MySecondService]})477        export class TestClass {}478      `);479      writeFile('/service.ts', `export class MyService {}480        export class MySecondService {}481      `);482      await runMigration();483      expect(warnOutput.length).toBe(0);484      expect(tree.readContent('/service.ts')).toMatch(/@Injectable\(\)\s+export class MyService/);485      expect(tree.readContent('/service.ts'))486          .toMatch(/@Injectable\(\)\s+export class MySecondService/);487      expect(tree.readContent('/service.ts'))488          .toMatch(/import { Injectable } from "@angular\/core";/);489    });490    it('should re-use existing namespace import for importing @Injectable when migrating provider',491       async () => {492         writeFile('/index.ts', `493          import * as core from '@angular/core';494          export class MyService {495            constructor() {496              console.log(core.isDevMode());497            }498          }499        `);500         writeFile('/app.module.ts', `501          import {${type}} from '@angular/core';502          import {MyService} from './index';503          @${type}({${propName}: [MyService]})504          export class TestClass {}505        `);506         await runMigration();507         expect(warnOutput.length).toBe(0);508         expect(tree.readContent('/index.ts'))509             .toMatch(/@core.Injectable\(\)\s+export class MyService/);510       });511    it('should warn if a referenced individual provider could not be resolved', async () => {512      writeFile('/index.ts', `513        import {${type}} from '@angular/core';514        @${type}({${propName}: [NotPresent]})515        export class TestClass {}516      `);517      await runMigration();518      const providerSourceTextColumn = 15 + type.length + propName.length;519      expect(warnOutput.length).toBe(1);520      expect(warnOutput[0]).toMatch(/\s+index\.ts@4:.+Provider is not statically analyzable./);521      expect(warnOutput[0]).toContain(`4:${providerSourceTextColumn}:`);522    });523    it(`should warn if ${propName} value could not be resolved`, async () => {524      writeFile('/index.ts', `525        import {${type}} from '@angular/core';526        @${type}({${propName}: NOT_ANALYZABLE)527        export class TestClass {}528      `);529      await runMigration();530      const propValueSourceTextColumn = 14 + type.length + propName.length;531      expect(warnOutput.length).toBe(1);532      expect(warnOutput[0]).toMatch(/\s+index\.ts@4:.+Providers.*not statically analyzable./);533      expect(warnOutput[0]).toContain(`4:${propValueSourceTextColumn}:`);534    });535    it(`should not throw if an empty @${type} is analyzed`, async () => {536      writeFile('/index.ts', `537        import {${type}} from '@angular/core';538        @${type}()539        export class MyModule {}540      `);541      try {542        await runMigration();543      } catch (e) {544        fail(e);545      }546      expect(warnOutput.length).toBe(0);547    });548    it('should create new import for injectable after full end of last import statement',549       async () => {550         writeFile('/index.ts', `551          import {${type}} from '@angular/core';552          import {MyService} from './service';553          @${type}({${propName}: [MyService]})554          export class TestClass {}555        `);556         writeFile('/service.ts', `557          import * as a from 'a';558          import * as a from 'b'; // some comment559          export class MyService {}560        `);561         await runMigration();562         expect(warnOutput.length).toBe(0);563         expect(tree.readContent('/service.ts'))564             .toMatch(/@Injectable\(\)\s+export class MyService/);565         expect(tree.readContent('/service.ts'))566             .toMatch(/'b'; \/\/ some comment\s+import { Injectable } from "@angular\/core";/);567       });568    it('should create new import at source file start with trailing new-line', async () => {569      writeFile('/index.ts', `570        import {${type}} from '@angular/core';571        import {MyService} from './service';572        @${type}({${propName}: [MyService]})573        export class TestClass {}574      `);575      writeFile('/service.ts', `/* @license */576        export class MyService {}577      `);578      await runMigration();579      expect(warnOutput.length).toBe(0);580      expect(tree.readContent('/service.ts'))581          .toMatch(582              /^import { Injectable } from "@angular\/core";\s+\/\* @license \*\/\s+@Injectable\(\)\s+export class MyService/);583    });584    it('should remove @Inject decorator for providers which are migrated', async () => {585      writeFile('/index.ts', `586        import {${type}} from '@angular/core';587        import {MyService} from './service';588        @${type}({${propName}: [MyService]})589        export class TestClass {}590      `);591      writeFile('/service.ts', `592        import {Inject} from '@angular/core';593        @Inject()594        export class MyService {}595      `);596      await runMigration();597      expect(warnOutput.length).toBe(0);598      expect(tree.readContent('/service.ts'))599          .toMatch(/core';\s+@Injectable\(\)\s+export class MyService/);600      // "inject" import will be preserved. We don't want to bother with detecting601      // if the import is unused or not. We leave this up to the developers.602      expect(tree.readContent('/service.ts'))603          .toMatch(/import { Inject, Injectable } from '@angular\/core';/);604    });605    it('should not migrate provider classes in library type definitions', async () => {606      writeFile('/node_modules/my-lib/index.d.ts', `607        export declare class MyService {}608      `);609      writeFile('/index.ts', `610        import {MyService} from 'my-lib';611        import {Pipe, ${type}} from '@angular/core';612        @${type}({${propName}: [MyService]})613        export class TestClass {}614      `);615      await runMigration();616      expect(warnOutput.length).toBe(0);617      expect(tree.readContent('/node_modules/my-lib/index.d.ts')).not.toContain('@Injectable');618    });619  }...

Using AI Code Generation

1var strykerParent = require('stryker-parent');2strykerParent.readContent('test.js');3var strykerParent = require('stryker-parent');4strykerParent.readContent('test.js');5var strykerParent = require('stryker-parent');6strykerParent.readContent('test.js');7var strykerParent = require('stryker-parent');8strykerParent.readContent('test.js');9var strykerParent = require('stryker-parent');10strykerParent.readContent('test.js');11var strykerParent = require('stryker-parent');12strykerParent.readContent('test.js');13var strykerParent = require('stryker-parent');14strykerParent.readContent('test.js');15var strykerParent = require('stryker-parent');16strykerParent.readContent('test.js');17var strykerParent = require('stryker-parent');18strykerParent.readContent('test.js');19var strykerParent = require('stryker-parent');20strykerParent.readContent('test.js');21var strykerParent = require('stryker-parent');22strykerParent.readContent('test.js');23var strykerParent = require('stryker-parent');24strykerParent.readContent('test.js');25var strykerParent = require('stryker-parent');26strykerParent.readContent('test

Using AI Code Generation

1const strykerParent = require('stryker-parent');2console.log(strykerParent.readContent('stryker.conf.js'));3const strykerParent = require('stryker-parent');4console.log(strykerParent.readContent('stryker.conf.js'));5const strykerParent = require('stryker-parent');6console.log(strykerParent.readContent('stryker.conf.js'));7const strykerParent = require('stryker-parent');8console.log(strykerParent.readContent('stryker.conf.js'));9const strykerParent = require('stryker-parent');10console.log(strykerParent.readContent('stryker.conf.js'));11const strykerParent = require('stryker-parent');12console.log(strykerParent.readContent('stryker.conf.js'));13const strykerParent = require('stryker-parent');14console.log(strykerParent.readContent('stryker.conf.js'));15const strykerParent = require('stryker-parent');16console.log(strykerParent.readContent('stryker.conf.js'));17const strykerParent = require('stryker-parent');18console.log(strykerParent.readContent('stryker.conf.js'));19const strykerParent = require('stryker-parent');20console.log(strykerParent.readContent('stryker.conf.js'));21const strykerParent = require('stryker-parent');22console.log(strykerParent.readContent('stryker.conf.js'));23const strykerParent = require('stryker-parent');24console.log(strykerParent.readContent('stryker.conf.js'));

Using AI Code Generation

1var strykerParent = require('stryker-parent');2strykerParent.readContent('test.txt', 'utf8', function (err, content) {3    if (err) {4        console.log(err);5    } else {6        console.log(content);7    }8});

Using AI Code Generation

1var strykerParent = require('stryker-parent');2strykerParent.readContent('package.json', function (err, content) {3    if (err) {4        console.log('Error reading file', err);5    }6    else {7        console.log('Read content', content);8    }9});10{11    "scripts": {12    },13    "repository": {

Using AI Code Generation

1const strykerParent = require('stryker-parent');2strykerParent.readContent('package.json', (err, content) => {3});4const strykerParent = require('stryker-parent');5strykerParent.readContent('package.json', (err, content) => {6});7const strykerParent = require('stryker-parent');8strykerParent.readContent('package.json', (err, content) => {9});10const strykerParent = require('stryker-parent');11strykerParent.readContent('package.json', (err, content) => {12});13const strykerParent = require('stryker-parent');14strykerParent.readContent('package.json', (err, content) => {15});16const strykerParent = require('stryker-parent');17strykerParent.readContent('package.json', (err, content) => {18});19const strykerParent = require('stryker-parent');20strykerParent.readContent('package.json', (err, content) => {21});22const strykerParent = require('stryker-parent');23strykerParent.readContent('package.json', (err, content) => {24});25const strykerParent = require('stryker-parent');26strykerParent.readContent('package.json', (err, content) => {27});

Using AI Code Generation

1var strykerParent = require('stryker-parent');2var fileContent = strykerParent.readContent('file.txt');3console.log('Hello world!');4module.exports = function (config) {5  config.set({6  });7};8{9  "scripts": {10  },11  "devDependencies": {12  }13}

Automation Testing Tutorials

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