1210 lines
46 KiB
TypeScript
1210 lines
46 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 * as ts from 'typescript';
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import {ClassMemberKind, Import} from '../../../ngtsc/host';
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import {Esm5ReflectionHost} from '../../src/host/esm5_host';
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import {Fesm2015ReflectionHost} from '../../src/host/fesm2015_host';
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import {getDeclaration, makeProgram} from '../helpers/utils';
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const SOME_DIRECTIVE_FILE = {
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name: '/some_directive.js',
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contents: `
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import { Directive, Inject, InjectionToken, Input } from '@angular/core';
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var INJECTED_TOKEN = new InjectionToken('injected');
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var ViewContainerRef = {};
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var TemplateRef = {};
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var SomeDirective = (function() {
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function SomeDirective(_viewContainer, _template, injected) {
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this.instanceProperty = 'instance';
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}
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SomeDirective.prototype = {
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instanceMethod: function() {},
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};
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SomeDirective.staticMethod = function() {};
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SomeDirective.staticProperty = 'static';
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SomeDirective.decorators = [
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{ type: Directive, args: [{ selector: '[someDirective]' },] }
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];
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SomeDirective.ctorParameters = function() { return [
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{ type: ViewContainerRef, },
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{ type: TemplateRef, },
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{ type: undefined, decorators: [{ type: Inject, args: [INJECTED_TOKEN,] },] },
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]; };
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SomeDirective.propDecorators = {
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"input1": [{ type: Input },],
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"input2": [{ type: Input },],
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};
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return SomeDirective;
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}());
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`,
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};
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const SIMPLE_CLASS_FILE = {
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name: '/simple_class.js',
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contents: `
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var EmptyClass = (function() {
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function EmptyClass() {
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}
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return EmptyClass;
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}());
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var NoDecoratorConstructorClass = (function() {
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function NoDecoratorConstructorClass(foo) {
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}
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return NoDecoratorConstructorClass;
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}());
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`,
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};
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const FOO_FUNCTION_FILE = {
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name: '/foo_function.js',
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contents: `
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import { Directive } from '@angular/core';
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function foo() {}
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foo.decorators = [
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{ type: Directive, args: [{ selector: '[ignored]' },] }
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];
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`,
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};
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const INVALID_DECORATORS_FILE = {
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name: '/invalid_decorators.js',
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contents: `
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import { Directive } from '@angular/core';
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var NotArrayLiteral = (function() {
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function NotArrayLiteral() {
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}
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NotArrayLiteral.decorators = () => [
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{ type: Directive, args: [{ selector: '[ignored]' },] },
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];
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return NotArrayLiteral;
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}());
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var NotObjectLiteral = (function() {
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function NotObjectLiteral() {
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}
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NotObjectLiteral.decorators = [
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"This is not an object literal",
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{ type: Directive },
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];
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return NotObjectLiteral;
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}());
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var NoTypeProperty = (function() {
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function NoTypeProperty() {
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}
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NoTypeProperty.decorators = [
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{ notType: Directive },
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{ type: Directive },
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];
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return NoTypeProperty;
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}());
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var NotIdentifier = (function() {
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function NotIdentifier() {
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}
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NotIdentifier.decorators = [
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{ type: 'StringsLiteralsAreNotIdentifiers' },
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{ type: Directive },
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];
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return NotIdentifier;
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}());
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`,
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};
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const INVALID_DECORATOR_ARGS_FILE = {
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name: '/invalid_decorator_args.js',
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contents: `
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import { Directive } from '@angular/core';
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var NoArgsProperty = (function() {
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function NoArgsProperty() {
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}
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NoArgsProperty.decorators = [
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{ type: Directive },
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];
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return NoArgsProperty;
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}());
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var args = [{ selector: '[ignored]' },];
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var NoPropertyAssignment = (function() {
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function NoPropertyAssignment() {
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}
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NoPropertyAssignment.decorators = [
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{ type: Directive, args },
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];
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return NoPropertyAssignment;
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}());
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var NotArrayLiteral = (function() {
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function NotArrayLiteral() {
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}
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NotArrayLiteral.decorators = [
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{ type: Directive, args: () => [{ selector: '[ignored]' },] },
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];
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return NotArrayLiteral;
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}());
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`,
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};
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const INVALID_PROP_DECORATORS_FILE = {
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name: '/invalid_prop_decorators.js',
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contents: `
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import { Input } from '@angular/core';
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var NotObjectLiteral = (function() {
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function NotObjectLiteral() {
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}
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NotObjectLiteral.propDecorators = () => ({
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"prop": [{ type: Input },]
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});
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return NotObjectLiteral;
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}());
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var NotObjectLiteralProp = (function() {
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function NotObjectLiteralProp() {
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}
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NotObjectLiteralProp.propDecorators = {
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"prop": [
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"This is not an object literal",
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{ type: Input },
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]
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};
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return NotObjectLiteralProp;
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}());
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var NoTypeProperty = (function() {
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function NoTypeProperty() {
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}
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NoTypeProperty.propDecorators = {
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"prop": [
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{ notType: Input },
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{ type: Input },
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]
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};
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return NoTypeProperty;
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}());
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var NotIdentifier = (function() {
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function NotIdentifier() {
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}
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NotIdentifier.propDecorators = {
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"prop": [
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{ type: 'StringsLiteralsAreNotIdentifiers' },
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{ type: Input },
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]
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};
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return NotIdentifier;
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}());
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`,
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};
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const INVALID_PROP_DECORATOR_ARGS_FILE = {
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name: '/invalid_prop_decorator_args.js',
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contents: `
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import { Input } from '@angular/core';
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var NoArgsProperty = (function() {
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function NoArgsProperty() {
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}
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NoArgsProperty.propDecorators = {
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"prop": [{ type: Input },]
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};
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return NoArgsProperty;
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}());
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var args = [{ selector: '[ignored]' },];
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var NoPropertyAssignment = (function() {
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function NoPropertyAssignment() {
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}
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NoPropertyAssignment.propDecorators = {
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"prop": [{ type: Input, args },]
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};
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return NoPropertyAssignment;
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}());
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var NotArrayLiteral = (function() {
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function NotArrayLiteral() {
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}
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NotArrayLiteral.propDecorators = {
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"prop": [{ type: Input, args: () => [{ selector: '[ignored]' },] },],
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};
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return NotArrayLiteral;
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}());
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`,
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};
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const INVALID_CTOR_DECORATORS_FILE = {
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name: '/invalid_ctor_decorators.js',
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contents: `
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import { Inject } from '@angular/core';
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var NoParametersDecorator = {};
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var NoParameters = (function() {
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function NoParameters() {}
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return NoParameters;
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}());
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var ArrowFunction = (function() {
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function ArrowFunction(arg1) {
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}
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ArrowFunction.ctorParameters = () => [
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{ type: 'ParamType', decorators: [{ type: Inject },] }
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];
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return ArrowFunction;
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}());
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var NotArrayLiteral = (function() {
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function NotArrayLiteral(arg1) {
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}
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NotArrayLiteral.ctorParameters = function() { return 'StringsAreNotArrayLiterals'; };
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return NotArrayLiteral;
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}());
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var NotObjectLiteral = (function() {
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function NotObjectLiteral(arg1, arg2) {
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}
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NotObjectLiteral.ctorParameters = function() { return [
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"This is not an object literal",
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{ type: 'ParamType', decorators: [{ type: Inject },] },
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]; };
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return NotObjectLiteral;
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}());
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var NoTypeProperty = (function() {
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function NoTypeProperty(arg1, arg2) {
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}
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NoTypeProperty.ctorParameters = function() { return [
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{
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type: 'ParamType',
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decorators: [
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{ notType: Inject },
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{ type: Inject },
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]
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},
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]; };
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return NoTypeProperty;
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}());
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var NotIdentifier = (function() {
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function NotIdentifier(arg1, arg2) {
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}
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NotIdentifier.ctorParameters = function() { return [
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{
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type: 'ParamType',
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decorators: [
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{ type: 'StringsLiteralsAreNotIdentifiers' },
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{ type: Inject },
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]
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},
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]; };
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return NotIdentifier;
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}());
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`,
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};
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const INVALID_CTOR_DECORATOR_ARGS_FILE = {
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name: '/invalid_ctor_decorator_args.js',
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contents: `
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import { Inject } from '@angular/core';
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var NoArgsProperty = (function() {
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function NoArgsProperty(arg1) {
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}
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NoArgsProperty.ctorParameters = function() { return [
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{ type: 'ParamType', decorators: [{ type: Inject },] },
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]; };
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return NoArgsProperty;
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}());
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var args = [{ selector: '[ignored]' },];
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var NoPropertyAssignment = (function() {
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function NoPropertyAssignment(arg1) {
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}
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NoPropertyAssignment.ctorParameters = function() { return [
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{ type: 'ParamType', decorators: [{ type: Inject, args },] },
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]; };
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return NoPropertyAssignment;
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}());
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var NotArrayLiteral = (function() {
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function NotArrayLiteral(arg1) {
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}
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NotArrayLiteral.ctorParameters = function() { return [
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{ type: 'ParamType', decorators: [{ type: Inject, args: () => [{ selector: '[ignored]' },] },] },
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]; };
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return NotArrayLiteral;
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}());
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`,
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};
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const IMPORTS_FILES = [
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{
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name: '/a.js',
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contents: `
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export const a = 'a';
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`,
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},
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{
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name: '/b.js',
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contents: `
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import {a} from './a.js';
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import {a as foo} from './a.js';
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var b = a;
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var c = foo;
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var d = b;
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`,
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},
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];
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const EXPORTS_FILES = [
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{
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name: '/a.js',
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contents: `
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export const a = 'a';
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`,
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},
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{
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name: '/b.js',
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contents: `
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import {Directive} from '@angular/core';
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import {a} from './a';
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import {a as foo} from './a';
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export {Directive} from '@angular/core';
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export {a} from './a';
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export var b = a;
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export var c = foo;
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export var d = b;
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export var e = 'e';
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export var DirectiveX = Directive;
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export var SomeClass = (function() {
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function SomeClass() {}
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return SomeClass;
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}());
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`,
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},
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];
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const FUNCTION_BODY_FILE = {
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name: '/function_body.js',
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contents: `
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function foo(x) {
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return x;
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}
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function bar(x, y) {
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if (y === void 0) { y = 42; }
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return x + y;
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}
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function complex() {
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var x = 42;
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return 42;
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}
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function baz(x) {
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var y;
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if (x === void 0) { y = 42; }
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return y;
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}
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var y;
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function qux(x) {
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if (x === void 0) { y = 42; }
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return y;
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}
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function moo() {
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var x;
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if (x === void 0) { x = 42; }
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return x;
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}
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var x;
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function juu() {
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if (x === void 0) { x = 42; }
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return x;
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}
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`
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};
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describe('Esm5ReflectionHost', () => {
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describe('getDecoratorsOfDeclaration()', () => {
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it('should find the decorators on a class', () => {
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const program = makeProgram(SOME_DIRECTIVE_FILE);
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const host = new Esm5ReflectionHost(program.getTypeChecker());
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const classNode = getDeclaration(
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program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isVariableDeclaration);
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const decorators = host.getDecoratorsOfDeclaration(classNode) !;
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expect(decorators).toBeDefined();
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expect(decorators.length).toEqual(1);
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const decorator = decorators[0];
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expect(decorator.name).toEqual('Directive');
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expect(decorator.import).toEqual({name: 'Directive', from: '@angular/core'});
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expect(decorator.args !.map(arg => arg.getText())).toEqual([
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'{ selector: \'[someDirective]\' }',
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]);
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});
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it('should return null if the symbol is not a class', () => {
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const program = makeProgram(FOO_FUNCTION_FILE);
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const host = new Esm5ReflectionHost(program.getTypeChecker());
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const functionNode =
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getDeclaration(program, FOO_FUNCTION_FILE.name, 'foo', ts.isFunctionDeclaration);
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const decorators = host.getDecoratorsOfDeclaration(functionNode);
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expect(decorators).toBe(null);
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});
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it('should return null if there are no decorators', () => {
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const program = makeProgram(SIMPLE_CLASS_FILE);
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const host = new Esm5ReflectionHost(program.getTypeChecker());
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const classNode =
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getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', ts.isVariableDeclaration);
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const decorators = host.getDecoratorsOfDeclaration(classNode);
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expect(decorators).toBe(null);
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});
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it('should ignore `decorators` if it is not an array literal', () => {
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const program = makeProgram(INVALID_DECORATORS_FILE);
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const host = new Esm5ReflectionHost(program.getTypeChecker());
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const classNode = getDeclaration(
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program, INVALID_DECORATORS_FILE.name, 'NotArrayLiteral', ts.isVariableDeclaration);
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const decorators = host.getDecoratorsOfDeclaration(classNode);
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expect(decorators).toEqual([]);
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});
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it('should ignore decorator elements that are not object literals', () => {
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const program = makeProgram(INVALID_DECORATORS_FILE);
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const host = new Esm5ReflectionHost(program.getTypeChecker());
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const classNode = getDeclaration(
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program, INVALID_DECORATORS_FILE.name, 'NotObjectLiteral', ts.isVariableDeclaration);
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const decorators = host.getDecoratorsOfDeclaration(classNode) !;
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expect(decorators.length).toBe(1);
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expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Directive'}));
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});
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it('should ignore decorator elements that have no `type` property', () => {
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const program = makeProgram(INVALID_DECORATORS_FILE);
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const host = new Esm5ReflectionHost(program.getTypeChecker());
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const classNode = getDeclaration(
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program, INVALID_DECORATORS_FILE.name, 'NoTypeProperty', ts.isVariableDeclaration);
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const decorators = host.getDecoratorsOfDeclaration(classNode) !;
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expect(decorators.length).toBe(1);
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expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Directive'}));
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});
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it('should ignore decorator elements whose `type` value is not an identifier', () => {
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const program = makeProgram(INVALID_DECORATORS_FILE);
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const host = new Esm5ReflectionHost(program.getTypeChecker());
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const classNode = getDeclaration(
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program, INVALID_DECORATORS_FILE.name, 'NotIdentifier', ts.isVariableDeclaration);
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const decorators = host.getDecoratorsOfDeclaration(classNode) !;
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expect(decorators.length).toBe(1);
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expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Directive'}));
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});
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it('should use `getImportOfIdentifier()` to retrieve import info', () => {
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const mockImportInfo = { name: 'mock', from: '@angular/core' } as Import;
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const spy = spyOn(Esm5ReflectionHost.prototype, 'getImportOfIdentifier')
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.and.returnValue(mockImportInfo);
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const program = makeProgram(SOME_DIRECTIVE_FILE);
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const host = new Esm5ReflectionHost(program.getTypeChecker());
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const classNode = getDeclaration(
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program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isVariableDeclaration);
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const decorators = host.getDecoratorsOfDeclaration(classNode) !;
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expect(decorators.length).toEqual(1);
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expect(decorators[0].import).toBe(mockImportInfo);
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const typeIdentifier = spy.calls.mostRecent().args[0] as ts.Identifier;
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expect(typeIdentifier.text).toBe('Directive');
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});
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describe('(returned decorators `args`)', () => {
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it('should be an empty array if decorator has no `args` property', () => {
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const program = makeProgram(INVALID_DECORATOR_ARGS_FILE);
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const host = new Esm5ReflectionHost(program.getTypeChecker());
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const classNode = getDeclaration(
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program, INVALID_DECORATOR_ARGS_FILE.name, 'NoArgsProperty', ts.isVariableDeclaration);
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const decorators = host.getDecoratorsOfDeclaration(classNode) !;
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expect(decorators.length).toBe(1);
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expect(decorators[0].name).toBe('Directive');
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expect(decorators[0].args).toEqual([]);
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});
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it('should be an empty array if decorator\'s `args` has no property assignment', () => {
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const program = makeProgram(INVALID_DECORATOR_ARGS_FILE);
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const host = new Esm5ReflectionHost(program.getTypeChecker());
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const classNode = getDeclaration(
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program, INVALID_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
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ts.isVariableDeclaration);
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const decorators = host.getDecoratorsOfDeclaration(classNode) !;
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expect(decorators.length).toBe(1);
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expect(decorators[0].name).toBe('Directive');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
|
|
it('should be an empty array if `args` property value is not an array literal', () => {
|
|
const program = makeProgram(INVALID_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral', ts.isVariableDeclaration);
|
|
const decorators = host.getDecoratorsOfDeclaration(classNode) !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Directive');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('getMembersOfClass()', () => {
|
|
it('should find decorated members on a class', () => {
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
const input1 = members.find(member => member.name === 'input1') !;
|
|
expect(input1.kind).toEqual(ClassMemberKind.Property);
|
|
expect(input1.isStatic).toEqual(false);
|
|
expect(input1.decorators !.map(d => d.name)).toEqual(['Input']);
|
|
|
|
const input2 = members.find(member => member.name === 'input2') !;
|
|
expect(input2.kind).toEqual(ClassMemberKind.Property);
|
|
expect(input2.isStatic).toEqual(false);
|
|
expect(input1.decorators !.map(d => d.name)).toEqual(['Input']);
|
|
});
|
|
|
|
it('should find non decorated properties on a class', () => {
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
const instanceProperty = members.find(member => member.name === 'instanceProperty') !;
|
|
expect(instanceProperty.kind).toEqual(ClassMemberKind.Property);
|
|
expect(instanceProperty.isStatic).toEqual(false);
|
|
expect(ts.isBinaryExpression(instanceProperty.implementation !)).toEqual(true);
|
|
expect(instanceProperty.value !.getText()).toEqual(`'instance'`);
|
|
});
|
|
|
|
it('should find static methods on a class', () => {
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
const staticMethod = members.find(member => member.name === 'staticMethod') !;
|
|
expect(staticMethod.kind).toEqual(ClassMemberKind.Method);
|
|
expect(staticMethod.isStatic).toEqual(true);
|
|
expect(ts.isFunctionExpression(staticMethod.implementation !)).toEqual(true);
|
|
});
|
|
|
|
it('should find static properties on a class', () => {
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
const staticProperty = members.find(member => member.name === 'staticProperty') !;
|
|
expect(staticProperty.kind).toEqual(ClassMemberKind.Property);
|
|
expect(staticProperty.isStatic).toEqual(true);
|
|
expect(ts.isPropertyAccessExpression(staticProperty.implementation !)).toEqual(true);
|
|
expect(staticProperty.value !.getText()).toEqual(`'static'`);
|
|
});
|
|
|
|
it('should throw if the symbol is not a class', () => {
|
|
const program = makeProgram(FOO_FUNCTION_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const functionNode =
|
|
getDeclaration(program, FOO_FUNCTION_FILE.name, 'foo', ts.isFunctionDeclaration);
|
|
expect(() => {
|
|
host.getMembersOfClass(functionNode);
|
|
}).toThrowError(`Attempted to get members of a non-class: "function foo() {}"`);
|
|
});
|
|
|
|
it('should return an empty array if there are no prop decorators', () => {
|
|
const program = makeProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode =
|
|
getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
expect(members).toEqual([]);
|
|
});
|
|
|
|
it('should not process decorated properties in `propDecorators` if it is not an object literal',
|
|
() => {
|
|
const program = makeProgram(INVALID_PROP_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NotObjectLiteral',
|
|
ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
expect(members.map(member => member.name)).not.toContain('prop');
|
|
});
|
|
|
|
it('should ignore prop decorator elements that are not object literals', () => {
|
|
const program = makeProgram(INVALID_PROP_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NotObjectLiteralProp',
|
|
ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop') !;
|
|
const decorators = prop.decorators !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Input'}));
|
|
});
|
|
|
|
it('should ignore prop decorator elements that have no `type` property', () => {
|
|
const program = makeProgram(INVALID_PROP_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NoTypeProperty', ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop') !;
|
|
const decorators = prop.decorators !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Input'}));
|
|
});
|
|
|
|
it('should ignore prop decorator elements whose `type` value is not an identifier', () => {
|
|
const program = makeProgram(INVALID_PROP_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATORS_FILE.name, 'NotIdentifier', ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop') !;
|
|
const decorators = prop.decorators !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Input'}));
|
|
});
|
|
|
|
it('should use `getImportOfIdentifier()` to retrieve import info', () => {
|
|
let callCount = 0;
|
|
const spy = spyOn(Esm5ReflectionHost.prototype, 'getImportOfIdentifier').and.callFake(() => {
|
|
callCount++;
|
|
return {name: `name${callCount}`, from: `@angular/core`};
|
|
});
|
|
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
|
|
expect(spy).toHaveBeenCalled();
|
|
spy.calls.allArgs().forEach(arg => expect(arg[0].getText()).toEqual('Input'));
|
|
|
|
const index = members.findIndex(member => member.name === 'input1');
|
|
expect(members[index].decorators !.length).toBe(1);
|
|
expect(members[index].decorators ![0].import).toEqual({name: 'name1', from: '@angular/core'});
|
|
});
|
|
|
|
describe('(returned prop decorators `args`)', () => {
|
|
it('should be an empty array if prop decorator has no `args` property', () => {
|
|
const program = makeProgram(INVALID_PROP_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NoArgsProperty',
|
|
ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop') !;
|
|
const decorators = prop.decorators !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Input');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
|
|
it('should be an empty array if prop decorator\'s `args` has no property assignment', () => {
|
|
const program = makeProgram(INVALID_PROP_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
|
|
ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop') !;
|
|
const decorators = prop.decorators !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Input');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
|
|
it('should be an empty array if `args` property value is not an array literal', () => {
|
|
const program = makeProgram(INVALID_PROP_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_PROP_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral',
|
|
ts.isVariableDeclaration);
|
|
const members = host.getMembersOfClass(classNode);
|
|
const prop = members.find(m => m.name === 'prop') !;
|
|
const decorators = prop.decorators !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Input');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('getConstructorParameters', () => {
|
|
it('should find the decorated constructor parameters', () => {
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
|
|
expect(parameters).toBeDefined();
|
|
expect(parameters !.map(parameter => parameter.name)).toEqual([
|
|
'_viewContainer', '_template', 'injected'
|
|
]);
|
|
expect(parameters !.map(parameter => parameter.type !.getText())).toEqual([
|
|
'ViewContainerRef', 'TemplateRef', 'undefined'
|
|
]);
|
|
});
|
|
|
|
it('should throw if the symbol is not a class', () => {
|
|
const program = makeProgram(FOO_FUNCTION_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const functionNode =
|
|
getDeclaration(program, FOO_FUNCTION_FILE.name, 'foo', ts.isFunctionDeclaration);
|
|
expect(() => { host.getConstructorParameters(functionNode); })
|
|
.toThrowError(
|
|
'Attempted to get constructor parameters of a non-class: "function foo() {}"');
|
|
});
|
|
|
|
// In ES5 there is no such thing as a constructor-less class
|
|
// it('should return `null` if there is no constructor', () => { });
|
|
|
|
it('should return an array even if there are no decorators', () => {
|
|
const program = makeProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SIMPLE_CLASS_FILE.name, 'NoDecoratorConstructorClass', ts.isVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
|
|
expect(parameters).toEqual(jasmine.any(Array));
|
|
expect(parameters !.length).toEqual(1);
|
|
expect(parameters ![0].name).toEqual('foo');
|
|
expect(parameters ![0].decorators).toBe(null);
|
|
});
|
|
|
|
it('should return an empty array if there are no constructor parameters', () => {
|
|
const program = makeProgram(INVALID_CTOR_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NoParameters', ts.isVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
|
|
expect(parameters).toEqual([]);
|
|
});
|
|
|
|
// In ES5 there are no arrow functions
|
|
// it('should ignore `ctorParameters` if it is an arrow function', () => { });
|
|
|
|
it('should ignore `ctorParameters` if it does not return an array literal', () => {
|
|
const program = makeProgram(INVALID_CTOR_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NotArrayLiteral', ts.isVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
|
|
expect(parameters !.length).toBe(1);
|
|
expect(parameters ![0]).toEqual(jasmine.objectContaining({
|
|
name: 'arg1',
|
|
decorators: null,
|
|
}));
|
|
});
|
|
|
|
describe('(returned parameters `decorators`)', () => {
|
|
it('should ignore param decorator elements that are not object literals', () => {
|
|
const program = makeProgram(INVALID_CTOR_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NotObjectLiteral',
|
|
ts.isVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
|
|
expect(parameters !.length).toBe(2);
|
|
expect(parameters ![0]).toEqual(jasmine.objectContaining({
|
|
name: 'arg1',
|
|
decorators: null,
|
|
}));
|
|
expect(parameters ![1]).toEqual(jasmine.objectContaining({
|
|
name: 'arg2',
|
|
decorators: jasmine.any(Array) as any
|
|
}));
|
|
});
|
|
|
|
it('should ignore param decorator elements that have no `type` property', () => {
|
|
const program = makeProgram(INVALID_CTOR_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NoTypeProperty', ts.isVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
const decorators = parameters ![0].decorators !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Inject'}));
|
|
});
|
|
|
|
it('should ignore param decorator elements whose `type` value is not an identifier', () => {
|
|
const program = makeProgram(INVALID_CTOR_DECORATORS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATORS_FILE.name, 'NotIdentifier', ts.isVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
const decorators = parameters ![0].decorators !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0]).toEqual(jasmine.objectContaining({name: 'Inject'}));
|
|
});
|
|
|
|
it('should use `getImportOfIdentifier()` to retrieve import info', () => {
|
|
const mockImportInfo = { name: 'mock', from: '@angulare/core' } as Import;
|
|
const spy = spyOn(Esm5ReflectionHost.prototype, 'getImportOfIdentifier')
|
|
.and.returnValue(mockImportInfo);
|
|
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
const decorators = parameters ![2].decorators !;
|
|
|
|
expect(decorators.length).toEqual(1);
|
|
expect(decorators[0].import).toBe(mockImportInfo);
|
|
|
|
const typeIdentifier = spy.calls.mostRecent().args[0] as ts.Identifier;
|
|
expect(typeIdentifier.text).toBe('Inject');
|
|
});
|
|
});
|
|
|
|
describe('(returned parameters `decorators.args`)', () => {
|
|
it('should be an empty array if param decorator has no `args` property', () => {
|
|
const program = makeProgram(INVALID_CTOR_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NoArgsProperty',
|
|
ts.isVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
expect(parameters !.length).toBe(1);
|
|
const decorators = parameters ![0].decorators !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Inject');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
|
|
it('should be an empty array if param decorator\'s `args` has no property assignment', () => {
|
|
const program = makeProgram(INVALID_CTOR_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NoPropertyAssignment',
|
|
ts.isVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
const decorators = parameters ![0].decorators !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Inject');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
|
|
it('should be an empty array if `args` property value is not an array literal', () => {
|
|
const program = makeProgram(INVALID_CTOR_DECORATOR_ARGS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, INVALID_CTOR_DECORATOR_ARGS_FILE.name, 'NotArrayLiteral',
|
|
ts.isVariableDeclaration);
|
|
const parameters = host.getConstructorParameters(classNode);
|
|
const decorators = parameters ![0].decorators !;
|
|
|
|
expect(decorators.length).toBe(1);
|
|
expect(decorators[0].name).toBe('Inject');
|
|
expect(decorators[0].args).toEqual([]);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('getDefinitionOfFunction()', () => {
|
|
it('should return an object describing the function declaration passed as an argument', () => {
|
|
const program = makeProgram(FUNCTION_BODY_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
|
|
const fooNode =
|
|
getDeclaration(program, FUNCTION_BODY_FILE.name, 'foo', ts.isFunctionDeclaration) !;
|
|
const fooDef = host.getDefinitionOfFunction(fooNode);
|
|
expect(fooDef.node).toBe(fooNode);
|
|
expect(fooDef.body !.length).toEqual(1);
|
|
expect(fooDef.body ![0].getText()).toEqual(`return x;`);
|
|
expect(fooDef.parameters.length).toEqual(1);
|
|
expect(fooDef.parameters[0].name).toEqual('x');
|
|
expect(fooDef.parameters[0].initializer).toBe(null);
|
|
|
|
const barNode =
|
|
getDeclaration(program, FUNCTION_BODY_FILE.name, 'bar', ts.isFunctionDeclaration) !;
|
|
const barDef = host.getDefinitionOfFunction(barNode);
|
|
expect(barDef.node).toBe(barNode);
|
|
expect(barDef.body !.length).toEqual(1);
|
|
expect(ts.isReturnStatement(barDef.body ![0])).toBeTruthy();
|
|
expect(barDef.body ![0].getText()).toEqual(`return x + y;`);
|
|
expect(barDef.parameters.length).toEqual(2);
|
|
expect(barDef.parameters[0].name).toEqual('x');
|
|
expect(fooDef.parameters[0].initializer).toBe(null);
|
|
expect(barDef.parameters[1].name).toEqual('y');
|
|
expect(barDef.parameters[1].initializer !.getText()).toEqual('42');
|
|
|
|
const bazNode =
|
|
getDeclaration(program, FUNCTION_BODY_FILE.name, 'baz', ts.isFunctionDeclaration) !;
|
|
const bazDef = host.getDefinitionOfFunction(bazNode);
|
|
expect(bazDef.node).toBe(bazNode);
|
|
expect(bazDef.body !.length).toEqual(3);
|
|
expect(bazDef.parameters.length).toEqual(1);
|
|
expect(bazDef.parameters[0].name).toEqual('x');
|
|
expect(bazDef.parameters[0].initializer).toBe(null);
|
|
|
|
const quxNode =
|
|
getDeclaration(program, FUNCTION_BODY_FILE.name, 'qux', ts.isFunctionDeclaration) !;
|
|
const quxDef = host.getDefinitionOfFunction(quxNode);
|
|
expect(quxDef.node).toBe(quxNode);
|
|
expect(quxDef.body !.length).toEqual(2);
|
|
expect(quxDef.parameters.length).toEqual(1);
|
|
expect(quxDef.parameters[0].name).toEqual('x');
|
|
expect(quxDef.parameters[0].initializer).toBe(null);
|
|
});
|
|
});
|
|
|
|
describe('getImportOfIdentifier', () => {
|
|
it('should find the import of an identifier', () => {
|
|
const program = makeProgram(...IMPORTS_FILES);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const variableNode =
|
|
getDeclaration(program, IMPORTS_FILES[1].name, 'b', ts.isVariableDeclaration);
|
|
const importOfIdent = host.getImportOfIdentifier(variableNode.initializer as ts.Identifier);
|
|
|
|
expect(importOfIdent).toEqual({name: 'a', from: './a.js'});
|
|
});
|
|
|
|
it('should find the name by which the identifier was exported, not imported', () => {
|
|
const program = makeProgram(...IMPORTS_FILES);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const variableNode =
|
|
getDeclaration(program, IMPORTS_FILES[1].name, 'c', ts.isVariableDeclaration);
|
|
const importOfIdent = host.getImportOfIdentifier(variableNode.initializer as ts.Identifier);
|
|
|
|
expect(importOfIdent).toEqual({name: 'a', from: './a.js'});
|
|
});
|
|
|
|
it('should return null if the identifier was not imported', () => {
|
|
const program = makeProgram(...IMPORTS_FILES);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const variableNode =
|
|
getDeclaration(program, IMPORTS_FILES[1].name, 'd', ts.isVariableDeclaration);
|
|
const importOfIdent = host.getImportOfIdentifier(variableNode.initializer as ts.Identifier);
|
|
|
|
expect(importOfIdent).toBeNull();
|
|
});
|
|
});
|
|
|
|
describe('getDeclarationOfIdentifier', () => {
|
|
it('should return the declaration of a locally defined identifier', () => {
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isVariableDeclaration);
|
|
const ctrDecorators = host.getConstructorParameters(classNode) !;
|
|
const identifierOfViewContainerRef = ctrDecorators[0].type !as ts.Identifier;
|
|
|
|
const expectedDeclarationNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'ViewContainerRef', ts.isVariableDeclaration);
|
|
const actualDeclaration = host.getDeclarationOfIdentifier(identifierOfViewContainerRef);
|
|
expect(actualDeclaration).not.toBe(null);
|
|
expect(actualDeclaration !.node).toBe(expectedDeclarationNode);
|
|
expect(actualDeclaration !.viaModule).toBe(null);
|
|
});
|
|
|
|
it('should return the declaration of an externally defined identifier', () => {
|
|
const program = makeProgram(SOME_DIRECTIVE_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const classNode = getDeclaration(
|
|
program, SOME_DIRECTIVE_FILE.name, 'SomeDirective', ts.isVariableDeclaration);
|
|
const classDecorators = host.getDecoratorsOfDeclaration(classNode) !;
|
|
const identifierOfDirective = ((classDecorators[0].node as ts.ObjectLiteralExpression)
|
|
.properties[0] as ts.PropertyAssignment)
|
|
.initializer as ts.Identifier;
|
|
|
|
const expectedDeclarationNode = getDeclaration(
|
|
program, 'node_modules/@angular/core/index.ts', 'Directive', ts.isVariableDeclaration);
|
|
const actualDeclaration = host.getDeclarationOfIdentifier(identifierOfDirective);
|
|
expect(actualDeclaration).not.toBe(null);
|
|
expect(actualDeclaration !.node).toBe(expectedDeclarationNode);
|
|
expect(actualDeclaration !.viaModule).toBe('@angular/core');
|
|
});
|
|
});
|
|
|
|
describe('getExportsOfModule()', () => {
|
|
it('should return a map of all the exports from a given module', () => {
|
|
const program = makeProgram(...EXPORTS_FILES);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const file = program.getSourceFile(EXPORTS_FILES[1].name) !;
|
|
const exportDeclarations = host.getExportsOfModule(file);
|
|
expect(exportDeclarations).not.toBe(null);
|
|
expect(Array.from(exportDeclarations !.keys())).toEqual([
|
|
'Directive',
|
|
'a',
|
|
'b',
|
|
'c',
|
|
'd',
|
|
'e',
|
|
'DirectiveX',
|
|
'SomeClass',
|
|
]);
|
|
|
|
const values = Array.from(exportDeclarations !.values())
|
|
.map(declaration => [declaration.node.getText(), declaration.viaModule]);
|
|
expect(values).toEqual([
|
|
// TODO: clarify what is expected here...
|
|
//[`Directive = callableClassDecorator()`, '@angular/core'],
|
|
[`Directive = callableClassDecorator()`, null],
|
|
[`a = 'a'`, null],
|
|
[`b = a`, null],
|
|
[`c = foo`, null],
|
|
[`d = b`, null],
|
|
[`e = 'e'`, null],
|
|
[`DirectiveX = Directive`, null],
|
|
[
|
|
`SomeClass = (function() {
|
|
function SomeClass() {}
|
|
return SomeClass;
|
|
}())`,
|
|
null
|
|
],
|
|
]);
|
|
});
|
|
});
|
|
|
|
describe('getClassSymbol()', () => {
|
|
let superGetClassSymbolSpy: jasmine.Spy;
|
|
|
|
beforeEach(() => {
|
|
superGetClassSymbolSpy = spyOn(Fesm2015ReflectionHost.prototype, 'getClassSymbol');
|
|
});
|
|
|
|
it('should return the class symbol returned by the superclass (if any)', () => {
|
|
const mockNode = {} as ts.Node;
|
|
const mockSymbol = {} as ts.Symbol;
|
|
superGetClassSymbolSpy.and.returnValue(mockSymbol);
|
|
|
|
const host = new Esm5ReflectionHost({} as any);
|
|
|
|
expect(host.getClassSymbol(mockNode)).toBe(mockSymbol);
|
|
expect(superGetClassSymbolSpy).toHaveBeenCalledWith(mockNode);
|
|
});
|
|
|
|
it('should return the class symbol for an ES5 class (outer variable declaration)', () => {
|
|
const program = makeProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const node =
|
|
getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', ts.isVariableDeclaration);
|
|
expect(host.getClassSymbol(node)).toBeDefined();
|
|
});
|
|
|
|
it('should return the class symbol for an ES5 class (inner function declaration)', () => {
|
|
const program = makeProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const outerNode =
|
|
getDeclaration(program, SIMPLE_CLASS_FILE.name, 'EmptyClass', ts.isVariableDeclaration);
|
|
const innerNode =
|
|
(((outerNode.initializer as ts.ParenthesizedExpression).expression as ts.CallExpression)
|
|
.expression as ts.FunctionExpression)
|
|
.body.statements.find(ts.isFunctionDeclaration) !;
|
|
|
|
expect(host.getClassSymbol(innerNode)).toBeDefined();
|
|
});
|
|
|
|
it('should return the same class symbol (of the inner declaration) for outer and inner declarations',
|
|
() => {
|
|
const program = makeProgram(SIMPLE_CLASS_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const outerNode = getDeclaration(
|
|
program, SIMPLE_CLASS_FILE.name, 'EmptyClass', ts.isVariableDeclaration);
|
|
const innerNode = (((outerNode.initializer as ts.ParenthesizedExpression)
|
|
.expression as ts.CallExpression)
|
|
.expression as ts.FunctionExpression)
|
|
.body.statements.find(ts.isFunctionDeclaration) !;
|
|
|
|
expect(host.getClassSymbol(innerNode)).toBe(host.getClassSymbol(outerNode));
|
|
expect(host.getClassSymbol(innerNode) !.valueDeclaration).toBe(innerNode);
|
|
});
|
|
|
|
it('should return undefined if node is not an ES5 class', () => {
|
|
const program = makeProgram(FOO_FUNCTION_FILE);
|
|
const host = new Esm5ReflectionHost(program.getTypeChecker());
|
|
const node = getDeclaration(program, FOO_FUNCTION_FILE.name, 'foo', ts.isFunctionDeclaration);
|
|
expect(host.getClassSymbol(node)).toBeUndefined();
|
|
});
|
|
});
|
|
|
|
describe('isClass()', () => {
|
|
let host: Esm5ReflectionHost;
|
|
let mockNode: ts.Node;
|
|
let superIsClassSpy: jasmine.Spy;
|
|
let getClassSymbolSpy: jasmine.Spy;
|
|
|
|
beforeEach(() => {
|
|
host = new Esm5ReflectionHost(null as any);
|
|
mockNode = {} as any;
|
|
|
|
superIsClassSpy = spyOn(Fesm2015ReflectionHost.prototype, 'isClass');
|
|
getClassSymbolSpy = spyOn(Esm5ReflectionHost.prototype, 'getClassSymbol');
|
|
});
|
|
|
|
it('should return true if superclass returns true', () => {
|
|
superIsClassSpy.and.returnValue(true);
|
|
|
|
expect(host.isClass(mockNode)).toBe(true);
|
|
expect(superIsClassSpy).toHaveBeenCalledWith(mockNode);
|
|
expect(getClassSymbolSpy).not.toHaveBeenCalled();
|
|
});
|
|
|
|
it('should return true if it can find a symbol for the class', () => {
|
|
superIsClassSpy.and.returnValue(false);
|
|
getClassSymbolSpy.and.returnValue(true);
|
|
|
|
expect(host.isClass(mockNode)).toBe(true);
|
|
expect(superIsClassSpy).toHaveBeenCalledWith(mockNode);
|
|
expect(getClassSymbolSpy).toHaveBeenCalledWith(mockNode);
|
|
});
|
|
|
|
it('should return false if it cannot find a symbol for the class', () => {
|
|
superIsClassSpy.and.returnValue(false);
|
|
getClassSymbolSpy.and.returnValue(false);
|
|
|
|
expect(host.isClass(mockNode)).toBe(false);
|
|
expect(superIsClassSpy).toHaveBeenCalledWith(mockNode);
|
|
expect(getClassSymbolSpy).toHaveBeenCalledWith(mockNode);
|
|
});
|
|
});
|
|
});
|