1703 lines
60 KiB
TypeScript
1703 lines
60 KiB
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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import {StaticReflector, StaticSymbol, StaticSymbolCache, StaticSymbolResolver, StaticSymbolResolverHost, core as compilerCore} from '@angular/compiler';
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import {CollectorOptions, METADATA_VERSION} from '@angular/compiler-cli';
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import {MockStaticSymbolResolverHost, MockSummaryResolver} from './static_symbol_resolver_spec';
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describe('StaticReflector', () => {
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let noContext: StaticSymbol;
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let host: StaticSymbolResolverHost;
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let symbolResolver: StaticSymbolResolver;
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let reflector: StaticReflector;
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function init(
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testData: {[key: string]: any} = DEFAULT_TEST_DATA,
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decorators: {name: string, filePath: string, ctor: any}[] = [],
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errorRecorder?: (error: any, fileName: string) => void, collectorOptions?: CollectorOptions) {
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const symbolCache = new StaticSymbolCache();
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host = new MockStaticSymbolResolverHost(testData, collectorOptions);
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const summaryResolver = new MockSummaryResolver([]);
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spyOn(summaryResolver, 'isLibraryFile').and.returnValue(false);
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symbolResolver = new StaticSymbolResolver(host, symbolCache, summaryResolver, errorRecorder);
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reflector = new StaticReflector(summaryResolver, symbolResolver, decorators, [], errorRecorder);
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noContext = reflector.getStaticSymbol('', '');
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}
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beforeEach(() => init());
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function simplify(context: StaticSymbol, value: any) {
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return (reflector as any).simplify(context, value);
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}
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it('should get annotations for NgFor', () => {
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const NgFor = reflector.findDeclaration('@angular/common/src/directives/ng_for', 'NgFor');
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const annotations = reflector.annotations(NgFor);
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expect(annotations.length).toEqual(1);
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const annotation = annotations[0];
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expect(annotation.selector).toEqual('[ngFor][ngForOf]');
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expect(annotation.inputs).toEqual(['ngForTrackBy', 'ngForOf', 'ngForTemplate']);
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});
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it('should get constructor for NgFor', () => {
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const NgFor = reflector.findDeclaration('@angular/common/src/directives/ng_for', 'NgFor');
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const ViewContainerRef = reflector.findDeclaration('@angular/core', 'ViewContainerRef');
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const TemplateRef = reflector.findDeclaration('@angular/core', 'TemplateRef');
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const IterableDiffers = reflector.findDeclaration('@angular/core', 'IterableDiffers');
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const ChangeDetectorRef = reflector.findDeclaration('@angular/core', 'ChangeDetectorRef');
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const parameters = reflector.parameters(NgFor);
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expect(parameters).toEqual([
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[ViewContainerRef], [TemplateRef], [IterableDiffers], [ChangeDetectorRef]
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]);
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});
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it('should get annotations for HeroDetailComponent', () => {
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const HeroDetailComponent =
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reflector.findDeclaration('src/app/hero-detail.component', 'HeroDetailComponent');
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const annotations = reflector.annotations(HeroDetailComponent);
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expect(annotations.length).toEqual(1);
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const annotation = annotations[0];
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expect(annotation.selector).toEqual('my-hero-detail');
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});
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it('should get and empty annotation list for an unknown class', () => {
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const UnknownClass = reflector.findDeclaration('src/app/app.component', 'UnknownClass');
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const annotations = reflector.annotations(UnknownClass);
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expect(annotations).toEqual([]);
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});
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it('should get and empty annotation list for a symbol with null value', () => {
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init({
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'/tmp/test.ts': `
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export var x = null;
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`
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});
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const annotations = reflector.annotations(reflector.getStaticSymbol('/tmp/test.ts', 'x'));
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expect(annotations).toEqual([]);
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});
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it('should get propMetadata for HeroDetailComponent', () => {
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const HeroDetailComponent =
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reflector.findDeclaration('src/app/hero-detail.component', 'HeroDetailComponent');
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const props = reflector.propMetadata(HeroDetailComponent);
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expect(props['hero']).toBeTruthy();
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expect(props['onMouseOver']).toEqual([compilerCore.createHostListener(
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'mouseover', ['$event'])]);
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});
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it('should get an empty object from propMetadata for an unknown class', () => {
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const UnknownClass = reflector.findDeclaration('src/app/app.component', 'UnknownClass');
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const properties = reflector.propMetadata(UnknownClass);
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expect(properties).toEqual({});
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});
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it('should get empty parameters list for an unknown class ', () => {
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const UnknownClass = reflector.findDeclaration('src/app/app.component', 'UnknownClass');
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const parameters = reflector.parameters(UnknownClass);
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expect(parameters).toEqual([]);
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});
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it('should provide context for errors reported by the collector', () => {
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const SomeClass = reflector.findDeclaration('src/error-reporting', 'SomeClass');
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expect(() => reflector.annotations(SomeClass))
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.toThrow(new Error(`Error during template compile of 'SomeClass'
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A reasonable error message in 'Link1'
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'Link1' references 'Link2'
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'Link2' references 'ErrorSym'
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'ErrorSym' contains the error at /tmp/src/error-references.ts(13,34).`));
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});
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it('should simplify primitive into itself', () => {
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expect(simplify(noContext, 1)).toBe(1);
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expect(simplify(noContext, true)).toBe(true);
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expect(simplify(noContext, 'some value')).toBe('some value');
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});
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it('should simplify a static symbol into itself', () => {
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const staticSymbol = reflector.getStaticSymbol('', '');
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expect(simplify(noContext, staticSymbol)).toBe(staticSymbol);
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});
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it('should simplify an array into a copy of the array', () => {
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expect(simplify(noContext, [1, 2, 3])).toEqual([1, 2, 3]);
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});
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it('should simplify an object to a copy of the object', () => {
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const expr = {a: 1, b: 2, c: 3};
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expect(simplify(noContext, expr)).toEqual(expr);
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});
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it('should simplify &&', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '&&', left: true, right: true})))
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.toBe(true);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '&&', left: true, right: false})))
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.toBe(false);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '&&', left: false, right: true})))
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.toBe(false);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '&&', left: false, right: false})))
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.toBe(false);
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});
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it('should simplify ||', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '||', left: true, right: true})))
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.toBe(true);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '||', left: true, right: false})))
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.toBe(true);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '||', left: false, right: true})))
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.toBe(true);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '||', left: false, right: false})))
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.toBe(false);
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});
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it('should simplify &', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '&', left: 0x22, right: 0x0F})))
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.toBe(0x22 & 0x0F);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '&', left: 0x22, right: 0xF0})))
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.toBe(0x22 & 0xF0);
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});
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it('should simplify |', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '|', left: 0x22, right: 0x0F})))
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.toBe(0x22 | 0x0F);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '|', left: 0x22, right: 0xF0})))
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.toBe(0x22 | 0xF0);
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});
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it('should simplify ^', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '|', left: 0x22, right: 0x0F})))
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.toBe(0x22 | 0x0F);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '|', left: 0x22, right: 0xF0})))
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.toBe(0x22 | 0xF0);
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});
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it('should simplify ==', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '==', left: 0x22, right: 0x22})))
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.toBe(0x22 == 0x22);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '==', left: 0x22, right: 0xF0})))
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.toBe(0x22 as any == 0xF0);
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});
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it('should simplify !=', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '!=', left: 0x22, right: 0x22})))
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.toBe(0x22 != 0x22);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '!=', left: 0x22, right: 0xF0})))
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.toBe(0x22 as any != 0xF0);
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});
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it('should simplify ===', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '===', left: 0x22, right: 0x22})))
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.toBe(0x22 === 0x22);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '===', left: 0x22, right: 0xF0})))
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.toBe(0x22 as any === 0xF0);
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});
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it('should simplify !==', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '!==', left: 0x22, right: 0x22})))
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.toBe(0x22 !== 0x22);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '!==', left: 0x22, right: 0xF0})))
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.toBe(0x22 as any !== 0xF0);
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});
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it('should simplify >', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '>', left: 1, right: 1})))
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.toBe(1 > 1);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '>', left: 1, right: 0})))
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.toBe(1 > 0);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '>', left: 0, right: 1})))
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.toBe(0 > 1);
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});
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it('should simplify >=', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '>=', left: 1, right: 1})))
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.toBe(1 >= 1);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '>=', left: 1, right: 0})))
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.toBe(1 >= 0);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '>=', left: 0, right: 1})))
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.toBe(0 >= 1);
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});
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it('should simplify <=', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '<=', left: 1, right: 1})))
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.toBe(1 <= 1);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '<=', left: 1, right: 0})))
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.toBe(1 <= 0);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '<=', left: 0, right: 1})))
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.toBe(0 <= 1);
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});
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it('should simplify <', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '<', left: 1, right: 1})))
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.toBe(1 < 1);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '<', left: 1, right: 0})))
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.toBe(1 < 0);
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '<', left: 0, right: 1})))
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.toBe(0 < 1);
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});
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it('should simplify <<', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '<<', left: 0x55, right: 2})))
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.toBe(0x55 << 2);
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});
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it('should simplify >>', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '>>', left: 0x55, right: 2})))
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.toBe(0x55 >> 2);
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});
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it('should simplify +', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '+', left: 0x55, right: 2})))
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.toBe(0x55 + 2);
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});
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it('should simplify -', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '-', left: 0x55, right: 2})))
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.toBe(0x55 - 2);
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});
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it('should simplify *', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '*', left: 0x55, right: 2})))
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.toBe(0x55 * 2);
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});
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it('should simplify /', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '/', left: 0x55, right: 2})))
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.toBe(0x55 / 2);
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});
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it('should simplify %', () => {
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expect(simplify(noContext, ({__symbolic: 'binop', operator: '%', left: 0x55, right: 2})))
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.toBe(0x55 % 2);
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});
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it('should simplify prefix -', () => {
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expect(simplify(noContext, ({__symbolic: 'pre', operator: '-', operand: 2}))).toBe(-2);
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});
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it('should simplify prefix ~', () => {
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expect(simplify(noContext, ({__symbolic: 'pre', operator: '~', operand: 2}))).toBe(~2);
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});
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it('should simplify prefix !', () => {
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expect(simplify(noContext, ({__symbolic: 'pre', operator: '!', operand: true}))).toBe(!true);
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expect(simplify(noContext, ({__symbolic: 'pre', operator: '!', operand: false}))).toBe(!false);
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});
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it('should simplify an array index', () => {
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expect(simplify(noContext, ({__symbolic: 'index', expression: [1, 2, 3], index: 2}))).toBe(3);
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});
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it('should simplify an object index', () => {
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const expr = {__symbolic: 'select', expression: {a: 1, b: 2, c: 3}, member: 'b'};
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expect(simplify(noContext, expr)).toBe(2);
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});
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it('should simplify a file reference', () => {
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expect(simplify(
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reflector.getStaticSymbol('/src/cases', ''),
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reflector.getStaticSymbol('/src/extern.d.ts', 's')))
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.toEqual('s');
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});
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it('should simplify a non existing reference as a static symbol', () => {
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expect(simplify(
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reflector.getStaticSymbol('/src/cases', ''),
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reflector.getStaticSymbol('/src/extern.d.ts', 'nonExisting')))
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.toEqual(reflector.getStaticSymbol('/src/extern.d.ts', 'nonExisting'));
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});
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it('should simplify a function reference as a static symbol', () => {
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expect(simplify(
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reflector.getStaticSymbol('/src/cases', 'myFunction'),
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({__symbolic: 'function', parameters: ['a'], value: []})))
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.toEqual(reflector.getStaticSymbol('/src/cases', 'myFunction'));
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});
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it('should simplify values initialized with a function call', () => {
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expect(simplify(
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reflector.getStaticSymbol('/tmp/src/function-reference.ts', ''),
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reflector.getStaticSymbol('/tmp/src/function-reference.ts', 'one')))
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.toEqual(['some-value']);
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expect(simplify(
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reflector.getStaticSymbol('/tmp/src/function-reference.ts', ''),
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reflector.getStaticSymbol('/tmp/src/function-reference.ts', 'three')))
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.toEqual(3);
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});
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it('should error on direct recursive calls', () => {
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expect(
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() => simplify(
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reflector.getStaticSymbol('/tmp/src/function-reference.ts', 'MyComp'),
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reflector.getStaticSymbol('/tmp/src/function-reference.ts', 'recursion')))
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.toThrow(new Error(`Error during template compile of 'MyComp'
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Recursion is not supported in 'recursion'
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'recursion' references 'recursive'
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'recursive' called 'recursive' recursively.`));
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});
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it('should throw a SyntaxError without stack trace when the required resource cannot be resolved',
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() => {
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expect(
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() => simplify(
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reflector.getStaticSymbol('/tmp/src/function-reference.ts', 'AppModule'), ({
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__symbolic: 'error',
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message:
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'Could not resolve ./does-not-exist.component relative to /tmp/src/function-reference.ts'
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})))
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.toThrowError(`Error during template compile of 'AppModule'
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Could not resolve ./does-not-exist.component relative to /tmp/src/function-reference.ts.`);
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});
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it('should record data about the error in the exception', () => {
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let threw = false;
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try {
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const metadata = host.getMetadataFor('/tmp/src/invalid-metadata.ts') !;
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expect(metadata).toBeDefined();
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const moduleMetadata: any = metadata[0]['metadata'];
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expect(moduleMetadata).toBeDefined();
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const classData: any = moduleMetadata['InvalidMetadata'];
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expect(classData).toBeDefined();
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simplify(
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reflector.getStaticSymbol('/tmp/src/invalid-metadata.ts', ''), classData.decorators[0]);
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} catch (e) {
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expect(e.position).toBeDefined();
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threw = true;
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}
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expect(threw).toBe(true);
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});
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it('should error on indirect recursive calls', () => {
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expect(
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() => simplify(
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reflector.getStaticSymbol('/tmp/src/function-reference.ts', 'MyComp'),
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reflector.getStaticSymbol('/tmp/src/function-reference.ts', 'indirectRecursion')))
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.toThrow(new Error(`Error during template compile of 'MyComp'
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Recursion is not supported in 'indirectRecursion'
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'indirectRecursion' references 'indirectRecursion1'
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'indirectRecursion1' references 'indirectRecursion2'
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'indirectRecursion2' called 'indirectRecursion1' recursively.`));
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});
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it('should simplify a spread expression', () => {
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expect(simplify(
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reflector.getStaticSymbol('/tmp/src/spread.ts', ''),
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reflector.getStaticSymbol('/tmp/src/spread.ts', 'spread')))
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.toEqual([0, 1, 2, 3, 4, 5]);
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});
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it('should be able to get metadata for a class containing a custom decorator', () => {
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const props = reflector.propMetadata(
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reflector.getStaticSymbol('/tmp/src/custom-decorator-reference.ts', 'Foo'));
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expect(props).toEqual({foo: []});
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});
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it('should read ctor parameters with forwardRef', () => {
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const src = '/tmp/src/forward-ref.ts';
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const dep = reflector.getStaticSymbol(src, 'Dep');
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const props = reflector.parameters(reflector.getStaticSymbol(src, 'Forward'));
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expect(props).toEqual([[dep, compilerCore.createInject(dep)]]);
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});
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it('should report an error for invalid function calls', () => {
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expect(
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() => reflector.annotations(
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reflector.getStaticSymbol('/tmp/src/invalid-calls.ts', 'MyComponent')))
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.toThrow(new Error(
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`/tmp/src/invalid-calls.ts(8,29): Error during template compile of 'MyComponent'
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Function calls are not supported in decorators but 'someFunction' was called.`));
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});
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it('should be able to get metadata for a class containing a static method call', () => {
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const annotations = reflector.annotations(
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reflector.getStaticSymbol('/tmp/src/static-method-call.ts', 'MyComponent'));
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expect(annotations.length).toBe(1);
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expect(annotations[0].providers).toEqual({provider: 'a', useValue: 100});
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});
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it('should be able to get metadata for a class containing a static field reference', () => {
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const annotations = reflector.annotations(
|
|
reflector.getStaticSymbol('/tmp/src/static-field-reference.ts', 'Foo'));
|
|
expect(annotations.length).toBe(1);
|
|
expect(annotations[0].providers).toEqual([{provider: 'a', useValue: 'Some string'}]);
|
|
});
|
|
|
|
it('should be able to get the metadata for a class calling a method with a conditional expression',
|
|
() => {
|
|
const annotations = reflector.annotations(
|
|
reflector.getStaticSymbol('/tmp/src/static-method-call.ts', 'MyCondComponent'));
|
|
expect(annotations.length).toBe(1);
|
|
expect(annotations[0].providers).toEqual([
|
|
[{provider: 'a', useValue: '1'}], [{provider: 'a', useValue: '2'}]
|
|
]);
|
|
});
|
|
|
|
it('should be able to get metadata for a class with nested method calls', () => {
|
|
const annotations = reflector.annotations(
|
|
reflector.getStaticSymbol('/tmp/src/static-method-call.ts', 'MyFactoryComponent'));
|
|
expect(annotations.length).toBe(1);
|
|
expect(annotations[0].providers).toEqual({
|
|
provide: 'c',
|
|
useFactory:
|
|
reflector.getStaticSymbol('/tmp/src/static-method.ts', 'AnotherModule', ['someFactory'])
|
|
});
|
|
});
|
|
|
|
it('should be able to get the metadata for a class calling a method with default parameters',
|
|
() => {
|
|
const annotations = reflector.annotations(
|
|
reflector.getStaticSymbol('/tmp/src/static-method-call.ts', 'MyDefaultsComponent'));
|
|
expect(annotations.length).toBe(1);
|
|
expect(annotations[0].providers).toEqual([['a', true, false]]);
|
|
});
|
|
|
|
it('should be able to get metadata with a reference to a static method', () => {
|
|
const annotations = reflector.annotations(
|
|
reflector.getStaticSymbol('/tmp/src/static-method-ref.ts', 'MethodReference'));
|
|
expect(annotations.length).toBe(1);
|
|
expect(annotations[0].providers[0].useValue.members[0]).toEqual('staticMethod');
|
|
});
|
|
|
|
it('should be able to get metadata for a class calling a macro function', () => {
|
|
const annotations = reflector.annotations(
|
|
reflector.getStaticSymbol('/tmp/src/call-macro-function.ts', 'MyComponent'));
|
|
expect(annotations.length).toBe(1);
|
|
expect(annotations[0].providers.useValue).toBe(100);
|
|
});
|
|
|
|
it('should be able to get metadata for a class calling a nested macro function', () => {
|
|
const annotations = reflector.annotations(
|
|
reflector.getStaticSymbol('/tmp/src/call-macro-function.ts', 'MyComponentNested'));
|
|
expect(annotations.length).toBe(1);
|
|
expect(annotations[0].providers.useValue.useValue).toBe(100);
|
|
});
|
|
|
|
// #13605
|
|
it('should not throw on unknown decorators', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/app.component.ts';
|
|
data[file] = `
|
|
import { Component } from '@angular/core';
|
|
|
|
export const enum TypeEnum {
|
|
type
|
|
}
|
|
|
|
export function MyValidationDecorator(p1: any, p2: any): any {
|
|
return null;
|
|
}
|
|
|
|
export function ValidationFunction(a1: any): any {
|
|
return null;
|
|
}
|
|
|
|
@Component({
|
|
selector: 'my-app',
|
|
template: "<h1>Hello {{name}}</h1>",
|
|
})
|
|
export class AppComponent {
|
|
name = 'Angular';
|
|
|
|
@MyValidationDecorator( TypeEnum.type, ValidationFunction({option: 'value'}))
|
|
myClassProp: number;
|
|
}`;
|
|
init(data);
|
|
const appComponent = reflector.getStaticSymbol(file, 'AppComponent');
|
|
expect(() => reflector.propMetadata(appComponent)).not.toThrow();
|
|
});
|
|
|
|
it('should not throw with an invalid extends', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/invalid-component.ts';
|
|
data[file] = `
|
|
import {Component} from '@angular/core';
|
|
|
|
function InvalidParent() {
|
|
return InvalidParent;
|
|
}
|
|
|
|
@Component({
|
|
selector: 'tmp',
|
|
template: '',
|
|
})
|
|
export class BadComponent extends InvalidParent() {
|
|
|
|
}
|
|
`;
|
|
init(data);
|
|
const badComponent = reflector.getStaticSymbol(file, 'BadComponent');
|
|
expect(reflector.propMetadata(badComponent)).toEqual({});
|
|
expect(reflector.parameters(badComponent)).toEqual([]);
|
|
expect(reflector.hasLifecycleHook(badComponent, 'onDestroy')).toEqual(false);
|
|
});
|
|
|
|
it('should produce a annotation even if it contains errors', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/invalid-component.ts';
|
|
data[file] = `
|
|
import {Component} from '@angular/core';
|
|
|
|
@Component({
|
|
selector: 'tmp',
|
|
template: () => {},
|
|
providers: [1, 2, (() => {}), 3, !(() => {}), 4, 5, (() => {}) + (() => {}), 6, 7]
|
|
})
|
|
export class BadComponent {
|
|
|
|
}
|
|
`;
|
|
init(data, [], () => {}, {verboseInvalidExpression: true});
|
|
|
|
const badComponent = reflector.getStaticSymbol(file, 'BadComponent');
|
|
const annotations = reflector.annotations(badComponent);
|
|
const annotation = annotations[0];
|
|
expect(annotation.selector).toEqual('tmp');
|
|
expect(annotation.template).toBeUndefined();
|
|
expect(annotation.providers).toEqual([1, 2, 3, 4, 5, 6, 7]);
|
|
});
|
|
|
|
it('should ignore unresolved calls', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/invalid-component.ts';
|
|
data[file] = `
|
|
import {Component} from '@angular/core';
|
|
import {unknown} from 'unresolved';
|
|
|
|
@Component({
|
|
selector: 'tmp',
|
|
template: () => {},
|
|
providers: [triggers()]
|
|
})
|
|
export class BadComponent {
|
|
|
|
}
|
|
`;
|
|
init(data, [], () => {}, {verboseInvalidExpression: true});
|
|
|
|
const badComponent = reflector.getStaticSymbol(file, 'BadComponent');
|
|
const annotations = reflector.annotations(badComponent);
|
|
const annotation = annotations[0];
|
|
expect(annotation.providers).toEqual([]);
|
|
});
|
|
|
|
// #15424
|
|
it('should be able to inject a ctor parameter with a @Inject and a type expression', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/invalid-component.ts';
|
|
data[file] = `
|
|
import {Injectable, Inject} from '@angular/core';
|
|
|
|
@Injectable()
|
|
export class SomeClass {
|
|
constructor (@Inject('some-token') a: {a: string, b: string}) {}
|
|
}
|
|
`;
|
|
init(data);
|
|
|
|
const someClass = reflector.getStaticSymbol(file, 'SomeClass');
|
|
const parameters = reflector.parameters(someClass);
|
|
expect(compilerCore.createInject.isTypeOf(parameters[0][0])).toBe(true);
|
|
});
|
|
|
|
it('should reject a ctor parameter without a @Inject and a type exprssion', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/invalid-component.ts';
|
|
data[file] = `
|
|
import {Injectable} from '@angular/core';
|
|
|
|
@Injectable()
|
|
export class SomeClass {
|
|
constructor (a: {a: string, b: string}) {}
|
|
}
|
|
`;
|
|
|
|
let error: any = undefined;
|
|
init(data, [], (err: any, filePath: string) => {
|
|
expect(error).toBeUndefined();
|
|
error = err;
|
|
});
|
|
|
|
const someClass = reflector.getStaticSymbol(file, 'SomeClass');
|
|
expect(reflector.parameters(someClass)).toEqual([[]]);
|
|
expect(error).toBeUndefined();
|
|
});
|
|
|
|
describe('inheritance', () => {
|
|
class ClassDecorator {
|
|
constructor(public value: any) {}
|
|
}
|
|
|
|
class ParamDecorator {
|
|
constructor(public value: any) {}
|
|
}
|
|
|
|
class PropDecorator {
|
|
constructor(public value: any) {}
|
|
}
|
|
|
|
function initWithDecorator(testData: {[key: string]: any}) {
|
|
testData['/tmp/src/decorator.ts'] = `
|
|
export function ClassDecorator(): any {}
|
|
export function ParamDecorator(): any {}
|
|
export function PropDecorator(): any {}
|
|
`;
|
|
init(testData, [
|
|
{filePath: '/tmp/src/decorator.ts', name: 'ClassDecorator', ctor: ClassDecorator},
|
|
{filePath: '/tmp/src/decorator.ts', name: 'ParamDecorator', ctor: ParamDecorator},
|
|
{filePath: '/tmp/src/decorator.ts', name: 'PropDecorator', ctor: PropDecorator}
|
|
]);
|
|
}
|
|
|
|
it('should inherit annotations', () => {
|
|
initWithDecorator({
|
|
'/tmp/src/main.ts': `
|
|
import {ClassDecorator} from './decorator';
|
|
|
|
@ClassDecorator('parent')
|
|
export class Parent {}
|
|
|
|
@ClassDecorator('child')
|
|
export class Child extends Parent {}
|
|
|
|
export class ChildNoDecorators extends Parent {}
|
|
|
|
export class ChildInvalidParent extends a.InvalidParent {}
|
|
`
|
|
});
|
|
|
|
// Check that metadata for Parent was not changed!
|
|
expect(reflector.annotations(reflector.getStaticSymbol('/tmp/src/main.ts', 'Parent')))
|
|
.toEqual([new ClassDecorator('parent')]);
|
|
|
|
expect(reflector.annotations(reflector.getStaticSymbol('/tmp/src/main.ts', 'Child')))
|
|
.toEqual([new ClassDecorator('parent'), new ClassDecorator('child')]);
|
|
|
|
expect(
|
|
reflector.annotations(reflector.getStaticSymbol('/tmp/src/main.ts', 'ChildNoDecorators')))
|
|
.toEqual([new ClassDecorator('parent')]);
|
|
|
|
expect(reflector.annotations(
|
|
reflector.getStaticSymbol('/tmp/src/main.ts', 'ChildInvalidParent')))
|
|
.toEqual([]);
|
|
});
|
|
|
|
it('should inherit parameters', () => {
|
|
initWithDecorator({
|
|
'/tmp/src/main.ts': `
|
|
import {ParamDecorator} from './decorator';
|
|
|
|
export class A {}
|
|
export class B {}
|
|
export class C {}
|
|
|
|
export class Parent {
|
|
constructor(@ParamDecorator('a') a: A, @ParamDecorator('b') b: B) {}
|
|
}
|
|
|
|
export class Child extends Parent {}
|
|
|
|
export class ChildWithCtor extends Parent {
|
|
constructor(@ParamDecorator('c') c: C) {}
|
|
}
|
|
|
|
export class ChildInvalidParent extends a.InvalidParent {}
|
|
`
|
|
});
|
|
|
|
// Check that metadata for Parent was not changed!
|
|
expect(reflector.parameters(reflector.getStaticSymbol('/tmp/src/main.ts', 'Parent')))
|
|
.toEqual([
|
|
[reflector.getStaticSymbol('/tmp/src/main.ts', 'A'), new ParamDecorator('a')],
|
|
[reflector.getStaticSymbol('/tmp/src/main.ts', 'B'), new ParamDecorator('b')]
|
|
]);
|
|
|
|
expect(reflector.parameters(reflector.getStaticSymbol('/tmp/src/main.ts', 'Child'))).toEqual([
|
|
[reflector.getStaticSymbol('/tmp/src/main.ts', 'A'), new ParamDecorator('a')],
|
|
[reflector.getStaticSymbol('/tmp/src/main.ts', 'B'), new ParamDecorator('b')]
|
|
]);
|
|
|
|
expect(reflector.parameters(reflector.getStaticSymbol('/tmp/src/main.ts', 'ChildWithCtor')))
|
|
.toEqual([[reflector.getStaticSymbol('/tmp/src/main.ts', 'C'), new ParamDecorator('c')]]);
|
|
|
|
expect(
|
|
reflector.parameters(reflector.getStaticSymbol('/tmp/src/main.ts', 'ChildInvalidParent')))
|
|
.toEqual([]);
|
|
});
|
|
|
|
it('should inherit property metadata', () => {
|
|
initWithDecorator({
|
|
'/tmp/src/main.ts': `
|
|
import {PropDecorator} from './decorator';
|
|
|
|
export class A {}
|
|
export class B {}
|
|
export class C {}
|
|
|
|
export class Parent {
|
|
@PropDecorator('a')
|
|
a: A;
|
|
@PropDecorator('b1')
|
|
b: B;
|
|
}
|
|
|
|
export class Child extends Parent {
|
|
@PropDecorator('b2')
|
|
b: B;
|
|
@PropDecorator('c')
|
|
c: C;
|
|
}
|
|
|
|
export class ChildInvalidParent extends a.InvalidParent {}
|
|
`
|
|
});
|
|
|
|
// Check that metadata for Parent was not changed!
|
|
expect(reflector.propMetadata(reflector.getStaticSymbol('/tmp/src/main.ts', 'Parent')))
|
|
.toEqual({
|
|
'a': [new PropDecorator('a')],
|
|
'b': [new PropDecorator('b1')],
|
|
});
|
|
|
|
expect(reflector.propMetadata(reflector.getStaticSymbol('/tmp/src/main.ts', 'Child')))
|
|
.toEqual({
|
|
'a': [new PropDecorator('a')],
|
|
'b': [new PropDecorator('b1'), new PropDecorator('b2')],
|
|
'c': [new PropDecorator('c')]
|
|
});
|
|
|
|
expect(reflector.propMetadata(
|
|
reflector.getStaticSymbol('/tmp/src/main.ts', 'ChildInvalidParent')))
|
|
.toEqual({});
|
|
});
|
|
|
|
it('should inherit lifecycle hooks', () => {
|
|
initWithDecorator({
|
|
'/tmp/src/main.ts': `
|
|
export class Parent {
|
|
hook1() {}
|
|
hook2() {}
|
|
}
|
|
|
|
export class Child extends Parent {
|
|
hook2() {}
|
|
hook3() {}
|
|
}
|
|
|
|
export class ChildInvalidParent extends a.InvalidParent {}
|
|
`
|
|
});
|
|
|
|
function hooks(symbol: StaticSymbol, names: string[]): boolean[] {
|
|
return names.map(name => reflector.hasLifecycleHook(symbol, name));
|
|
}
|
|
|
|
// Check that metadata for Parent was not changed!
|
|
expect(hooks(reflector.getStaticSymbol('/tmp/src/main.ts', 'Parent'), [
|
|
'hook1', 'hook2', 'hook3'
|
|
])).toEqual([true, true, false]);
|
|
|
|
expect(hooks(reflector.getStaticSymbol('/tmp/src/main.ts', 'Child'), [
|
|
'hook1', 'hook2', 'hook3'
|
|
])).toEqual([true, true, true]);
|
|
|
|
expect(hooks(reflector.getStaticSymbol('/tmp/src/main.ts', 'ChildInvalidParent'), [
|
|
'hook1', 'hook2', 'hook3'
|
|
])).toEqual([false, false, false]);
|
|
});
|
|
|
|
it('should allow inheritance from expressions', () => {
|
|
initWithDecorator({
|
|
'/tmp/src/main.ts': `
|
|
export function metaClass() { return null; };
|
|
export class Child extends metaClass() {}
|
|
`
|
|
});
|
|
|
|
expect(reflector.annotations(reflector.getStaticSymbol('/tmp/src/main.ts', 'Child')))
|
|
.toEqual([]);
|
|
});
|
|
|
|
it('should allow inheritance from functions', () => {
|
|
initWithDecorator({
|
|
'/tmp/src/main.ts': `
|
|
export let ctor: {new(): T} = function() { return null; }
|
|
export class Child extends ctor {}
|
|
`
|
|
});
|
|
|
|
expect(reflector.annotations(reflector.getStaticSymbol('/tmp/src/main.ts', 'Child')))
|
|
.toEqual([]);
|
|
});
|
|
|
|
it('should support constructor parameters with @Inject and an interface type', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/inject_interface.ts';
|
|
data[file] = `
|
|
import {Injectable, Inject} from '@angular/core';
|
|
import {F} from './f';
|
|
|
|
export interface InjectedInterface {
|
|
|
|
}
|
|
|
|
export class Token {}
|
|
|
|
@Injectable()
|
|
export class SomeClass {
|
|
constructor (@Inject(Token) injected: InjectedInterface, t: Token, @Inject(Token) f: F) {}
|
|
}
|
|
`;
|
|
|
|
init(data);
|
|
|
|
expect(reflector.parameters(reflector.getStaticSymbol(file, 'SomeClass'))[0].length)
|
|
.toEqual(1);
|
|
});
|
|
});
|
|
|
|
describe('expression lowering', () => {
|
|
it('should be able to accept a lambda in a reference location', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/my_component.ts';
|
|
data[file] = `
|
|
import {Component, InjectionToken} from '@angular/core';
|
|
|
|
export const myLambda = () => [1, 2, 3];
|
|
export const NUMBERS = new InjectionToken<number[]>();
|
|
|
|
@Component({
|
|
template: '<div>{{name}}</div>',
|
|
providers: [{provide: NUMBERS, useFactory: myLambda}]
|
|
})
|
|
export class MyComponent {
|
|
name = 'Some name';
|
|
}
|
|
`;
|
|
init(data);
|
|
|
|
expect(reflector.annotations(reflector.getStaticSymbol(file, 'MyComponent'))[0]
|
|
.providers[0]
|
|
.useFactory)
|
|
.toBe(reflector.getStaticSymbol(file, 'myLambda'));
|
|
});
|
|
});
|
|
|
|
// Regression #18170
|
|
it('should continue to aggresively evaluate enum member accessors', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/my_component.ts';
|
|
data[file] = `
|
|
import {Component} from '@angular/core';
|
|
import {intermediate} from './index';
|
|
|
|
@Component({
|
|
template: '<div></div>',
|
|
providers: [{provide: 'foo', useValue: [...intermediate]}]
|
|
})
|
|
export class MyComponent { }
|
|
`;
|
|
data['/tmp/src/intermediate.ts'] = `
|
|
import {MyEnum} from './indirect';
|
|
export const intermediate = [{
|
|
data: {
|
|
c: [MyEnum.Value]
|
|
}
|
|
}];`;
|
|
data['/tmp/src/index.ts'] = `export * from './intermediate';`;
|
|
data['/tmp/src/indirect.ts'] = `export * from './consts';`;
|
|
data['/tmp/src/consts.ts'] = `
|
|
export enum MyEnum {
|
|
Value = 3
|
|
}
|
|
`;
|
|
init(data);
|
|
|
|
expect(reflector.annotations(reflector.getStaticSymbol(file, 'MyComponent'))[0]
|
|
.providers[0]
|
|
.useValue)
|
|
.toEqual([{data: {c: [3]}}]);
|
|
});
|
|
|
|
// Regression #18170
|
|
it('should evaluate enums and statics that are 0', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/my_component.ts';
|
|
data[file] = `
|
|
import {Component} from '@angular/core';
|
|
import {provideRoutes} from './macro';
|
|
import {MyEnum, MyClass} from './consts';
|
|
|
|
@Component({
|
|
template: '<div></div>',
|
|
providers: [provideRoutes({
|
|
path: 'foo',
|
|
data: {
|
|
e: MyEnum.Value
|
|
}
|
|
})]
|
|
})
|
|
export class MyComponent { }
|
|
`;
|
|
data['/tmp/src/macro.ts'] = `
|
|
import {ANALYZE_FOR_ENTRY_COMPONENTS, ROUTES} from '@angular/core';
|
|
|
|
export interface Route {
|
|
path?: string;
|
|
data?: any;
|
|
}
|
|
export type Routes = Route[];
|
|
export function provideRoutes(routes: Routes): any {
|
|
return [
|
|
{provide: ANALYZE_FOR_ENTRY_COMPONENTS, multi: true, useValue: routes},
|
|
{provide: ROUTES, multi: true, useValue: routes},
|
|
];
|
|
}
|
|
`;
|
|
data['/tmp/src/consts.ts'] = `
|
|
export enum MyEnum {
|
|
Value = 0,
|
|
}
|
|
`;
|
|
init(data);
|
|
expect(reflector.annotations(reflector.getStaticSymbol(file, 'MyComponent'))[0]
|
|
.providers[0][0]
|
|
.useValue)
|
|
.toEqual({path: 'foo', data: {e: 0}});
|
|
});
|
|
|
|
// Regression #18170
|
|
it('should eagerly evaluate enums selects', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/my_component.ts';
|
|
data[file] = `
|
|
import {Component} from '@angular/core';
|
|
import {provideRoutes} from './macro';
|
|
import {E} from './indirect';
|
|
|
|
@Component({
|
|
template: '<div></div>',
|
|
providers: [provideRoutes({
|
|
path: 'foo',
|
|
data: {
|
|
e: E.Value,
|
|
}
|
|
})]
|
|
})
|
|
export class MyComponent { }
|
|
`;
|
|
data['/tmp/src/macro.ts'] = `
|
|
import {ANALYZE_FOR_ENTRY_COMPONENTS, ROUTES} from '@angular/core';
|
|
|
|
export interface Route {
|
|
path?: string;
|
|
data?: any;
|
|
}
|
|
export type Routes = Route[];
|
|
export function provideRoutes(routes: Routes): any {
|
|
return [
|
|
{provide: ANALYZE_FOR_ENTRY_COMPONENTS, multi: true, useValue: routes},
|
|
{provide: ROUTES, multi: true, useValue: routes},
|
|
];
|
|
}
|
|
`;
|
|
data['/tmp/src/indirect.ts'] = `
|
|
import {MyEnum} from './consts';
|
|
|
|
export const E = MyEnum;
|
|
`,
|
|
data['/tmp/src/consts.ts'] = `
|
|
export enum MyEnum {
|
|
Value = 1,
|
|
}
|
|
`;
|
|
init(data);
|
|
expect(reflector.annotations(reflector.getStaticSymbol(file, 'MyComponent'))[0]
|
|
.providers[0][0]
|
|
.useValue)
|
|
.toEqual({path: 'foo', data: {e: 1}});
|
|
});
|
|
|
|
// Regression #18170
|
|
it('should agressively evaluate array indexes', () => {
|
|
const data = Object.create(DEFAULT_TEST_DATA);
|
|
const file = '/tmp/src/my_component.ts';
|
|
data[file] = `
|
|
import {Component} from '@angular/core';
|
|
import {provideRoutes} from './macro';
|
|
import {E} from './indirect';
|
|
|
|
@Component({
|
|
template: '<div></div>',
|
|
providers: [provideRoutes({
|
|
path: 'foo',
|
|
data: {
|
|
e: E[E[E[1]]],
|
|
}
|
|
})]
|
|
})
|
|
export class MyComponent { }
|
|
`;
|
|
data['/tmp/src/macro.ts'] = `
|
|
import {ANALYZE_FOR_ENTRY_COMPONENTS, ROUTES} from '@angular/core';
|
|
|
|
export interface Route {
|
|
path?: string;
|
|
data?: any;
|
|
}
|
|
export type Routes = Route[];
|
|
export function provideRoutes(routes: Routes): any {
|
|
return [
|
|
{provide: ANALYZE_FOR_ENTRY_COMPONENTS, multi: true, useValue: routes},
|
|
{provide: ROUTES, multi: true, useValue: routes},
|
|
];
|
|
}
|
|
`;
|
|
data['/tmp/src/indirect.ts'] = `
|
|
import {A} from './consts';
|
|
|
|
export const E = A;
|
|
`,
|
|
data['/tmp/src/consts.ts'] = `
|
|
export const A = [0, 1];
|
|
`;
|
|
init(data);
|
|
expect(reflector.annotations(reflector.getStaticSymbol(file, 'MyComponent'))[0]
|
|
.providers[0][0]
|
|
.useValue)
|
|
.toEqual({path: 'foo', data: {e: 1}});
|
|
});
|
|
|
|
describe('resolveExternalReference', () => {
|
|
it('should register modules names in the StaticSymbolResolver if no containingFile is given',
|
|
() => {
|
|
init({
|
|
'/tmp/root.ts': ``,
|
|
'/tmp/a.ts': `export const x = 1;`,
|
|
});
|
|
let symbol = reflector.resolveExternalReference(
|
|
{moduleName: './a', name: 'x', runtime: null}, '/tmp/root.ts');
|
|
expect(symbolResolver.getKnownModuleName(symbol.filePath)).toBeFalsy();
|
|
|
|
symbol = reflector.resolveExternalReference({moduleName: 'a', name: 'x', runtime: null});
|
|
expect(symbolResolver.getKnownModuleName(symbol.filePath)).toBe('a');
|
|
});
|
|
});
|
|
|
|
describe('formatted error reporting', () => {
|
|
describe('function calls', () => {
|
|
const fileName = '/tmp/src/invalid/components.ts';
|
|
beforeEach(() => {
|
|
const localData = {
|
|
'/tmp/src/invalid/function-call.ts': `
|
|
import {functionToCall} from 'some-module';
|
|
export const CALL_FUNCTION = functionToCall();
|
|
`,
|
|
'/tmp/src/invalid/indirect.ts': `
|
|
import {CALL_FUNCTION} from './function-call';
|
|
|
|
export const INDIRECT_CALL_FUNCTION = CALL_FUNCTION + 1;
|
|
`,
|
|
'/tmp/src/invalid/two-levels-indirect.ts': `
|
|
import {INDIRECT_CALL_FUNCTION} from './indirect';
|
|
|
|
export const TWO_LEVELS_INDIRECT_CALL_FUNCTION = INDIRECT_CALL_FUNCTION + 1;
|
|
`,
|
|
'/tmp/src/invalid/components.ts': `
|
|
import {functionToCall} from 'some-module';
|
|
import {Component} from '@angular/core';
|
|
import {CALL_FUNCTION} from './function-call';
|
|
import {INDIRECT_CALL_FUNCTION} from './indirect';
|
|
import {TWO_LEVELS_INDIRECT_CALL_FUNCTION} from './two-levels-indirect';
|
|
|
|
@Component({
|
|
value: functionToCall()
|
|
})
|
|
export class CallImportedFunction {}
|
|
|
|
@Component({
|
|
value: CALL_FUNCTION
|
|
})
|
|
export class ReferenceCalledFunction {}
|
|
|
|
@Component({
|
|
value: INDIRECT_CALL_FUNCTION
|
|
})
|
|
export class IndirectReferenceCalledFunction {}
|
|
|
|
@Component({
|
|
value: TWO_LEVELS_INDIRECT_CALL_FUNCTION
|
|
})
|
|
export class TwoLevelsIndirectReferenceCalledFunction {}
|
|
`
|
|
};
|
|
init({...DEFAULT_TEST_DATA, ...localData});
|
|
});
|
|
|
|
it('should report a formatted error for a direct function call', () => {
|
|
expect(() => {
|
|
return reflector.annotations(reflector.getStaticSymbol(fileName, 'CallImportedFunction'));
|
|
})
|
|
.toThrowError(
|
|
`/tmp/src/invalid/components.ts(9,18): Error during template compile of 'CallImportedFunction'
|
|
Function calls are not supported in decorators but 'functionToCall' was called.`);
|
|
});
|
|
|
|
it('should report a formatted error for a refernce to a function call', () => {
|
|
expect(() => {
|
|
return reflector.annotations(
|
|
reflector.getStaticSymbol(fileName, 'ReferenceCalledFunction'));
|
|
})
|
|
.toThrowError(
|
|
`/tmp/src/invalid/components.ts(14,18): Error during template compile of 'ReferenceCalledFunction'
|
|
Function calls are not supported in decorators but 'functionToCall' was called in 'CALL_FUNCTION'
|
|
'CALL_FUNCTION' calls 'functionToCall' at /tmp/src/invalid/function-call.ts(3,38).`);
|
|
});
|
|
|
|
it('should report a formatted error for an indirect reference to a function call', () => {
|
|
expect(() => {
|
|
return reflector.annotations(
|
|
reflector.getStaticSymbol(fileName, 'IndirectReferenceCalledFunction'));
|
|
})
|
|
.toThrowError(
|
|
`/tmp/src/invalid/components.ts(19,18): Error during template compile of 'IndirectReferenceCalledFunction'
|
|
Function calls are not supported in decorators but 'functionToCall' was called in 'INDIRECT_CALL_FUNCTION'
|
|
'INDIRECT_CALL_FUNCTION' references 'CALL_FUNCTION' at /tmp/src/invalid/indirect.ts(4,47)
|
|
'CALL_FUNCTION' calls 'functionToCall' at /tmp/src/invalid/function-call.ts(3,38).`);
|
|
});
|
|
|
|
it('should report a formatted error for a double-indirect refernce to a function call', () => {
|
|
expect(() => {
|
|
return reflector.annotations(
|
|
reflector.getStaticSymbol(fileName, 'TwoLevelsIndirectReferenceCalledFunction'));
|
|
})
|
|
.toThrowError(
|
|
`/tmp/src/invalid/components.ts(24,18): Error during template compile of 'TwoLevelsIndirectReferenceCalledFunction'
|
|
Function calls are not supported in decorators but 'functionToCall' was called in 'TWO_LEVELS_INDIRECT_CALL_FUNCTION'
|
|
'TWO_LEVELS_INDIRECT_CALL_FUNCTION' references 'INDIRECT_CALL_FUNCTION' at /tmp/src/invalid/two-levels-indirect.ts(4,58)
|
|
'INDIRECT_CALL_FUNCTION' references 'CALL_FUNCTION' at /tmp/src/invalid/indirect.ts(4,47)
|
|
'CALL_FUNCTION' calls 'functionToCall' at /tmp/src/invalid/function-call.ts(3,38).`);
|
|
});
|
|
});
|
|
|
|
describe('macro functions', () => {
|
|
const fileName = '/tmp/src/invalid/components.ts';
|
|
beforeEach(() => {
|
|
const localData = {
|
|
'/tmp/src/invalid/function-call.ts': `
|
|
import {functionToCall} from 'some-module';
|
|
export const CALL_FUNCTION = functionToCall();
|
|
`,
|
|
'/tmp/src/invalid/indirect.ts': `
|
|
import {CALL_FUNCTION} from './function-call';
|
|
|
|
export const INDIRECT_CALL_FUNCTION = CALL_FUNCTION + 1;
|
|
`,
|
|
'/tmp/src/invalid/macros.ts': `
|
|
export function someMacro(value: any) {
|
|
return [ { provide: 'key', value: value } ];
|
|
}
|
|
`,
|
|
'/tmp/src/invalid/components.ts': `
|
|
import {Component} from '@angular/core';
|
|
import {functionToCall} from 'some-module';
|
|
import {someMacro} from './macros';
|
|
import {CALL_FUNCTION} from './function-call';
|
|
import {INDIRECT_CALL_FUNCTION} from './indirect';
|
|
|
|
@Component({
|
|
template: someMacro(functionToCall())
|
|
})
|
|
export class DirectCall {}
|
|
|
|
@Component({
|
|
template: someMacro(CALL_FUNCTION)
|
|
})
|
|
export class IndirectCall {}
|
|
|
|
@Component({
|
|
template: someMacro(INDIRECT_CALL_FUNCTION)
|
|
})
|
|
export class DoubleIndirectCall {}
|
|
`
|
|
};
|
|
init({...DEFAULT_TEST_DATA, ...localData});
|
|
});
|
|
|
|
it('should report a formatted error for a direct function call', () => {
|
|
expect(() => {
|
|
return reflector.annotations(reflector.getStaticSymbol(fileName, 'DirectCall'));
|
|
})
|
|
.toThrowError(
|
|
`/tmp/src/invalid/components.ts(9,31): Error during template compile of 'DirectCall'
|
|
Function calls are not supported in decorators but 'functionToCall' was called.`);
|
|
});
|
|
|
|
it('should report a formatted error for a reference to a function call', () => {
|
|
expect(() => {
|
|
return reflector.annotations(reflector.getStaticSymbol(fileName, 'IndirectCall'));
|
|
})
|
|
.toThrowError(
|
|
`/tmp/src/invalid/components.ts(14,31): Error during template compile of 'IndirectCall'
|
|
Function calls are not supported in decorators but 'functionToCall' was called in 'CALL_FUNCTION'
|
|
'CALL_FUNCTION' calls 'functionToCall' at /tmp/src/invalid/function-call.ts(3,38).`);
|
|
});
|
|
|
|
it('should report a formatted error for an indirect refernece to a function call', () => {
|
|
expect(() => {
|
|
return reflector.annotations(reflector.getStaticSymbol(fileName, 'DoubleIndirectCall'));
|
|
})
|
|
.toThrowError(
|
|
`/tmp/src/invalid/components.ts(19,31): Error during template compile of 'DoubleIndirectCall'
|
|
Function calls are not supported in decorators but 'functionToCall' was called in 'INDIRECT_CALL_FUNCTION'
|
|
'INDIRECT_CALL_FUNCTION' references 'CALL_FUNCTION' at /tmp/src/invalid/indirect.ts(4,47)
|
|
'CALL_FUNCTION' calls 'functionToCall' at /tmp/src/invalid/function-call.ts(3,38).`);
|
|
});
|
|
});
|
|
|
|
describe('and give advice', () => {
|
|
// If in a reference expression, advice the user to replace with a reference.
|
|
const fileName = '/tmp/src/invalid/components.ts';
|
|
|
|
function collectError(symbol: string): string {
|
|
try {
|
|
reflector.annotations(reflector.getStaticSymbol(fileName, symbol));
|
|
} catch (e) {
|
|
return e.message;
|
|
}
|
|
fail('Expected an exception to be thrown');
|
|
return '';
|
|
}
|
|
|
|
function initWith(content: string) {
|
|
init({
|
|
...DEFAULT_TEST_DATA,
|
|
[fileName]: `import {Component} from '@angular/core';\n${content}`
|
|
});
|
|
}
|
|
|
|
it('should advise exorting a local', () => {
|
|
initWith(`const f: string; @Component({value: f}) export class MyComp {}`);
|
|
expect(collectError('MyComp')).toContain(`Consider exporting 'f'`);
|
|
});
|
|
|
|
it('should advise export a class', () => {
|
|
initWith('class Foo {} @Component({value: Foo}) export class MyComp {}');
|
|
expect(collectError('MyComp')).toContain(`Consider exporting 'Foo'`);
|
|
});
|
|
|
|
it('should advise avoiding destructuring', () => {
|
|
initWith(
|
|
'export const {foo, bar} = {foo: 1, bar: 2}; @Component({value: foo}) export class MyComp {}');
|
|
expect(collectError('MyComp')).toContain(`Consider simplifying to avoid destructuring`);
|
|
});
|
|
|
|
it('should advise converting an arrow function into an exported function', () => {
|
|
initWith('@Component({value: () => true}) export class MyComp {}');
|
|
expect(collectError('MyComp'))
|
|
.toContain(`Consider changing the function expression into an exported function`);
|
|
});
|
|
|
|
it('should advise converting a function expression into an exported function', () => {
|
|
initWith('@Component({value: function () { return true; }}) export class MyComp {}');
|
|
expect(collectError('MyComp'))
|
|
.toContain(`Consider changing the function expression into an exported function`);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
|
|
const DEFAULT_TEST_DATA: {[key: string]: any} = {
|
|
'/tmp/@angular/common/src/forms-deprecated/directives.d.ts': [{
|
|
'__symbolic': 'module',
|
|
'version': METADATA_VERSION,
|
|
'metadata': {
|
|
'FORM_DIRECTIVES': [{
|
|
'__symbolic': 'reference',
|
|
'name': 'NgFor',
|
|
'module': '@angular/common/src/directives/ng_for'
|
|
}]
|
|
}
|
|
}],
|
|
'/tmp/@angular/common/src/directives/ng_for.d.ts': {
|
|
'__symbolic': 'module',
|
|
'version': METADATA_VERSION,
|
|
'metadata': {
|
|
'NgFor': {
|
|
'__symbolic': 'class',
|
|
'decorators': [{
|
|
'__symbolic': 'call',
|
|
'expression': {'__symbolic': 'reference', 'name': 'Directive', 'module': '@angular/core'},
|
|
'arguments': [{
|
|
'selector': '[ngFor][ngForOf]',
|
|
'inputs': ['ngForTrackBy', 'ngForOf', 'ngForTemplate']
|
|
}]
|
|
}],
|
|
'members': {
|
|
'__ctor__': [{
|
|
'__symbolic': 'constructor',
|
|
'parameters': [
|
|
{'__symbolic': 'reference', 'module': '@angular/core', 'name': 'ViewContainerRef'},
|
|
{'__symbolic': 'reference', 'module': '@angular/core', 'name': 'TemplateRef'},
|
|
{'__symbolic': 'reference', 'module': '@angular/core', 'name': 'IterableDiffers'}, {
|
|
'__symbolic': 'reference',
|
|
'module': '@angular/core',
|
|
'name': 'ChangeDetectorRef'
|
|
}
|
|
]
|
|
}]
|
|
}
|
|
}
|
|
}
|
|
},
|
|
'/tmp/@angular/core/src/linker/view_container_ref.d.ts':
|
|
{version: METADATA_VERSION, 'metadata': {'ViewContainerRef': {'__symbolic': 'class'}}},
|
|
'/tmp/@angular/core/src/linker/template_ref.d.ts': {
|
|
version: METADATA_VERSION,
|
|
'module': './template_ref',
|
|
'metadata': {'TemplateRef': {'__symbolic': 'class'}}
|
|
},
|
|
'/tmp/@angular/core/src/change_detection/differs/iterable_differs.d.ts':
|
|
{version: METADATA_VERSION, 'metadata': {'IterableDiffers': {'__symbolic': 'class'}}},
|
|
'/tmp/@angular/core/src/change_detection/change_detector_ref.d.ts':
|
|
{version: METADATA_VERSION, 'metadata': {'ChangeDetectorRef': {'__symbolic': 'class'}}},
|
|
'/tmp/src/app/hero-detail.component.d.ts': {
|
|
'__symbolic': 'module',
|
|
'version': METADATA_VERSION,
|
|
'metadata': {
|
|
'HeroDetailComponent': {
|
|
'__symbolic': 'class',
|
|
'decorators': [{
|
|
'__symbolic': 'call',
|
|
'expression': {'__symbolic': 'reference', 'name': 'Component', 'module': '@angular/core'},
|
|
'arguments': [{
|
|
'selector': 'my-hero-detail',
|
|
'template':
|
|
'\n <div *ngIf="hero">\n <h2>{{hero.name}} details!</h2>\n <div><label>id: </label>{{hero.id}}</div>\n <div>\n <label>name: </label>\n <input [(ngModel)]="hero.name" placeholder="name"/>\n </div>\n </div>\n',
|
|
}]
|
|
}],
|
|
'members': {
|
|
'hero': [{
|
|
'__symbolic': 'property',
|
|
'decorators': [{
|
|
'__symbolic': 'call',
|
|
'expression':
|
|
{'__symbolic': 'reference', 'name': 'Input', 'module': '@angular/core'}
|
|
}]
|
|
}],
|
|
'onMouseOver': [{
|
|
'__symbolic': 'method',
|
|
'decorators': [{
|
|
'__symbolic': 'call',
|
|
'expression':
|
|
{'__symbolic': 'reference', 'module': '@angular/core', 'name': 'HostListener'},
|
|
'arguments': ['mouseover', ['$event']]
|
|
}]
|
|
}]
|
|
}
|
|
}
|
|
}
|
|
},
|
|
'/src/extern.d.ts': {'__symbolic': 'module', 'version': METADATA_VERSION, metadata: {s: 's'}},
|
|
'/tmp/src/error-reporting.d.ts': {
|
|
__symbolic: 'module',
|
|
version: METADATA_VERSION,
|
|
metadata: {
|
|
SomeClass: {
|
|
__symbolic: 'class',
|
|
decorators: [{
|
|
__symbolic: 'call',
|
|
expression: {__symbolic: 'reference', name: 'Component', module: '@angular/core'},
|
|
arguments: [{
|
|
entryComponents: [{
|
|
__symbolic: 'reference',
|
|
module: 'src/error-references',
|
|
name: 'Link1',
|
|
}]
|
|
}]
|
|
}],
|
|
}
|
|
}
|
|
},
|
|
'/tmp/src/error-references.d.ts': {
|
|
__symbolic: 'module',
|
|
version: METADATA_VERSION,
|
|
metadata: {
|
|
Link1: {__symbolic: 'reference', module: 'src/error-references', name: 'Link2'},
|
|
Link2: {__symbolic: 'reference', module: 'src/error-references', name: 'ErrorSym'},
|
|
ErrorSym:
|
|
{__symbolic: 'error', message: 'A reasonable error message', line: 12, character: 33}
|
|
}
|
|
},
|
|
'/tmp/src/function-declaration.d.ts': {
|
|
__symbolic: 'module',
|
|
version: METADATA_VERSION,
|
|
metadata: {
|
|
one: {
|
|
__symbolic: 'function',
|
|
parameters: ['a'],
|
|
value: [{__symbolic: 'reference', name: 'a'}]
|
|
},
|
|
add: {
|
|
__symbolic: 'function',
|
|
parameters: ['a', 'b'],
|
|
value: {
|
|
__symbolic: 'binop',
|
|
operator: '+',
|
|
left: {__symbolic: 'reference', name: 'a'},
|
|
right: {
|
|
__symbolic: 'binop',
|
|
operator: '+',
|
|
left: {__symbolic: 'reference', name: 'b'},
|
|
right: {__symbolic: 'reference', name: 'oneLiteral'}
|
|
}
|
|
}
|
|
},
|
|
oneLiteral: 1
|
|
}
|
|
},
|
|
'/tmp/src/function-reference.ts': {
|
|
__symbolic: 'module',
|
|
version: METADATA_VERSION,
|
|
metadata: {
|
|
one: {
|
|
__symbolic: 'call',
|
|
expression: {__symbolic: 'reference', module: './function-declaration', name: 'one'},
|
|
arguments: ['some-value']
|
|
},
|
|
three: {
|
|
__symbolic: 'call',
|
|
expression: {__symbolic: 'reference', module: './function-declaration', name: 'add'},
|
|
arguments: [1, 1]
|
|
},
|
|
recursion: {
|
|
__symbolic: 'call',
|
|
expression: {__symbolic: 'reference', module: './function-recursive', name: 'recursive'},
|
|
arguments: [1]
|
|
},
|
|
indirectRecursion: {
|
|
__symbolic: 'call',
|
|
expression:
|
|
{__symbolic: 'reference', module: './function-recursive', name: 'indirectRecursion1'},
|
|
arguments: [1]
|
|
}
|
|
}
|
|
},
|
|
'/tmp/src/function-recursive.d.ts': {
|
|
__symbolic: 'modules',
|
|
version: METADATA_VERSION,
|
|
metadata: {
|
|
recursive: {
|
|
__symbolic: 'function',
|
|
parameters: ['a'],
|
|
value: {
|
|
__symbolic: 'call',
|
|
expression: {
|
|
__symbolic: 'reference',
|
|
module: './function-recursive',
|
|
name: 'recursive',
|
|
},
|
|
arguments: [{__symbolic: 'reference', name: 'a'}]
|
|
}
|
|
},
|
|
indirectRecursion1: {
|
|
__symbolic: 'function',
|
|
parameters: ['a'],
|
|
value: {
|
|
__symbolic: 'call',
|
|
expression: {
|
|
__symbolic: 'reference',
|
|
module: './function-recursive',
|
|
name: 'indirectRecursion2',
|
|
},
|
|
arguments: [{__symbolic: 'reference', name: 'a'}]
|
|
}
|
|
},
|
|
indirectRecursion2: {
|
|
__symbolic: 'function',
|
|
parameters: ['a'],
|
|
value: {
|
|
__symbolic: 'call',
|
|
expression: {
|
|
__symbolic: 'reference',
|
|
module: './function-recursive',
|
|
name: 'indirectRecursion1',
|
|
},
|
|
arguments: [{__symbolic: 'reference', name: 'a'}]
|
|
}
|
|
}
|
|
},
|
|
},
|
|
'/tmp/src/spread.ts': {
|
|
__symbolic: 'module',
|
|
version: METADATA_VERSION,
|
|
metadata: {spread: [0, {__symbolic: 'spread', expression: [1, 2, 3, 4]}, 5]}
|
|
},
|
|
'/tmp/src/custom-decorator.ts': `
|
|
export function CustomDecorator(): any {
|
|
return () => {};
|
|
}
|
|
`,
|
|
'/tmp/src/custom-decorator-reference.ts': `
|
|
import {CustomDecorator} from './custom-decorator';
|
|
|
|
@CustomDecorator()
|
|
export class Foo {
|
|
@CustomDecorator() get foo(): string { return ''; }
|
|
}
|
|
`,
|
|
'/tmp/src/invalid-calll-definitions.ts': `
|
|
export function someFunction(a: any) {
|
|
if (Array.isArray(a)) {
|
|
return a;
|
|
}
|
|
return undefined;
|
|
}
|
|
`,
|
|
'/tmp/src/invalid-calls.ts': `
|
|
import {someFunction} from './nvalid-calll-definitions.ts';
|
|
import {Component} from '@angular/core';
|
|
import {NgIf} from '@angular/common';
|
|
|
|
@Component({
|
|
selector: 'my-component',
|
|
entryComponents: [someFunction([NgIf])]
|
|
})
|
|
export class MyComponent {}
|
|
|
|
@someFunction()
|
|
@Component({
|
|
selector: 'my-component',
|
|
entryComponents: [NgIf]
|
|
})
|
|
export class MyOtherComponent { }
|
|
`,
|
|
'/tmp/src/static-method.ts': `
|
|
import {Component} from '@angular/core/src/metadata';
|
|
|
|
@Component({
|
|
selector: 'stub'
|
|
})
|
|
export class MyModule {
|
|
static with(data: any) {
|
|
return { provider: 'a', useValue: data }
|
|
}
|
|
static condMethod(cond: boolean) {
|
|
return [{ provider: 'a', useValue: cond ? '1' : '2'}];
|
|
}
|
|
static defaultsMethod(a, b = true, c = false) {
|
|
return [a, b, c];
|
|
}
|
|
static withFactory() {
|
|
return { provide: 'c', useFactory: AnotherModule.someFactory };
|
|
}
|
|
}
|
|
|
|
export class AnotherModule {
|
|
static someFactory() {
|
|
return 'e';
|
|
}
|
|
}
|
|
`,
|
|
'/tmp/src/static-method-call.ts': `
|
|
import {Component} from '@angular/core';
|
|
import {MyModule} from './static-method';
|
|
|
|
@Component({
|
|
providers: MyModule.with(100)
|
|
})
|
|
export class MyComponent { }
|
|
|
|
@Component({
|
|
providers: [MyModule.condMethod(true), MyModule.condMethod(false)]
|
|
})
|
|
export class MyCondComponent { }
|
|
|
|
@Component({
|
|
providers: [MyModule.defaultsMethod('a')]
|
|
})
|
|
export class MyDefaultsComponent { }
|
|
|
|
@Component({
|
|
providers: MyModule.withFactory()
|
|
})
|
|
export class MyFactoryComponent { }
|
|
`,
|
|
'/tmp/src/static-field.ts': `
|
|
import {Injectable} from '@angular/core';
|
|
|
|
@Injectable()
|
|
export class MyModule {
|
|
static VALUE = 'Some string';
|
|
}
|
|
`,
|
|
'/tmp/src/macro-function.ts': `
|
|
export function v(value: any) {
|
|
return { provide: 'a', useValue: value };
|
|
}
|
|
`,
|
|
'/tmp/src/call-macro-function.ts': `
|
|
import {Component} from '@angular/core';
|
|
import {v} from './macro-function';
|
|
|
|
@Component({
|
|
providers: v(100)
|
|
})
|
|
export class MyComponent { }
|
|
|
|
@Component({
|
|
providers: v(v(100))
|
|
})
|
|
export class MyComponentNested { }
|
|
`,
|
|
'/tmp/src/static-field-reference.ts': `
|
|
import {Component} from '@angular/core';
|
|
import {MyModule} from './static-field';
|
|
|
|
@Component({
|
|
providers: [ { provider: 'a', useValue: MyModule.VALUE } ]
|
|
})
|
|
export class Foo { }
|
|
`,
|
|
'/tmp/src/static-method-def.ts': `
|
|
export class ClassWithStatics {
|
|
static staticMethod() {}
|
|
}
|
|
`,
|
|
'/tmp/src/static-method-ref.ts': `
|
|
import {Component} from '@angular/core';
|
|
import {ClassWithStatics} from './static-method-def';
|
|
|
|
@Component({
|
|
providers: [ { provider: 'a', useValue: ClassWithStatics.staticMethod}]
|
|
})
|
|
export class MethodReference {
|
|
|
|
}
|
|
`,
|
|
'/tmp/src/invalid-metadata.ts': `
|
|
import {Component} from '@angular/core';
|
|
|
|
@Component({
|
|
providers: [ { provider: 'a', useValue: (() => 1)() }]
|
|
})
|
|
export class InvalidMetadata {}
|
|
`,
|
|
'/tmp/src/forward-ref.ts': `
|
|
import {forwardRef} from '@angular/core';
|
|
import {Component} from '@angular/core';
|
|
import {Inject} from '@angular/core';
|
|
@Component({})
|
|
export class Forward {
|
|
constructor(@Inject(forwardRef(() => Dep)) d: Dep) {}
|
|
}
|
|
export class Dep {
|
|
@Input f: Forward;
|
|
}
|
|
`,
|
|
};
|