8ce38cac0d
These tests were matching file-paths against what is retrieved from the TS compiler. But the TS compiler paths have been canonicalised, so the tests were brittle on case-insensitive file-systems. PR Close #36859
62 lines
2.1 KiB
TypeScript
62 lines
2.1 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 {BoundTarget, CssSelector, parseTemplate, ParseTemplateOptions, R3TargetBinder, SelectorMatcher} from '@angular/compiler';
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import * as ts from 'typescript';
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import {absoluteFrom, AbsoluteFsPath} from '../../file_system';
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import {Reference} from '../../imports';
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import {ClassDeclaration} from '../../reflection';
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import {getDeclaration, makeProgram} from '../../testing';
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import {ComponentMeta} from '../src/context';
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/** Dummy file URL */
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function getTestFilePath(): AbsoluteFsPath {
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return absoluteFrom('/TEST_FILE.ts');
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}
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/**
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* Creates a class declaration from a component source code.
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*/
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export function getComponentDeclaration(componentStr: string, className: string): ClassDeclaration {
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const program = makeProgram([{name: getTestFilePath(), contents: componentStr}]);
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return getDeclaration(
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program.program, getTestFilePath(), className,
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(value: ts.Declaration): value is ClassDeclaration => ts.isClassDeclaration(value));
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}
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/**
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* Parses a template source code and returns a template-bound target, optionally with information
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* about used components.
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*
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* @param template template to parse
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* @param options extra template parsing options
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* @param components components to bind to the template target
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*/
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export function getBoundTemplate(
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template: string, options: ParseTemplateOptions = {},
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components: Array<{selector: string, declaration: ClassDeclaration}> =
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[]): BoundTarget<ComponentMeta> {
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const matcher = new SelectorMatcher<ComponentMeta>();
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components.forEach(({selector, declaration}) => {
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matcher.addSelectables(CssSelector.parse(selector), {
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ref: new Reference(declaration),
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selector,
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name: declaration.name.getText(),
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isComponent: true,
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inputs: {},
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outputs: {},
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exportAs: null,
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});
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});
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const binder = new R3TargetBinder(matcher);
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return binder.bind({template: parseTemplate(template, getTestFilePath(), options).nodes});
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}
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