angular-cn/packages/language-service/ivy/test/gettcb_spec.ts

99 lines
3.0 KiB
TypeScript

/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {initMockFileSystem} from '@angular/compiler-cli/src/ngtsc/file_system/testing';
import {createModuleAndProjectWithDeclarations, LanguageServiceTestEnv} from '../testing';
describe('get typecheck block', () => {
beforeEach(() => {
initMockFileSystem('Native');
});
it('should find the typecheck block for an inline template', () => {
const files = {
'app.ts': `
import {Component} from '@angular/core';
@Component({
template: '<div>{{ myProp }}</div>',
})
export class AppCmp {
myProp!: string;
}`
};
const env = LanguageServiceTestEnv.setup();
const project = createModuleAndProjectWithDeclarations(env, 'test', files);
project.expectNoSourceDiagnostics();
const appFile = project.openFile('app.ts');
appFile.moveCursorToText('{{ my¦Prop }}');
const result = appFile.getTcb();
if (result === undefined) {
fail('Expected a valid TCB response');
return;
}
const {content, selections} = result;
expect(selections.length).toBe(1);
const {start, length} = selections[0];
expect(content.substring(start, start + length)).toContain('myProp');
});
it('should find the typecheck block for an external template', () => {
const files = {
'app.ts': `
import {Component} from '@angular/core';
@Component({
templateUrl: './app.html',
})
export class AppCmp {
myProp!: string;
}`,
'app.html': '<div>{{ myProp }}</div>'
};
const env = LanguageServiceTestEnv.setup();
const project = createModuleAndProjectWithDeclarations(env, 'test', files);
project.expectNoSourceDiagnostics();
const htmlFile = project.openFile('app.html');
htmlFile.moveCursorToText('{{ my¦Prop }}');
const result = htmlFile.getTcb();
if (result === undefined) {
fail('Expected a valid TCB response');
return;
}
const {content, selections} = result;
expect(selections.length).toBe(1);
const {start, length} = selections[0];
expect(content.substring(start, start + length)).toContain('myProp');
});
it('should not find typecheck blocks outside a template', () => {
const files = {
'app.ts': `
import {Component} from '@angular/core';
@Component({
template: '<div>{{ myProp }}</div>',
})
export class AppCmp {
myProp!: string;
}`
};
const env = LanguageServiceTestEnv.setup();
const project = createModuleAndProjectWithDeclarations(env, 'test', files);
project.expectNoSourceDiagnostics();
const appFile = project.openFile('app.ts');
appFile.moveCursorToText('my¦Prop!: string;');
const result = appFile.getTcb();
expect(result).toBeUndefined();
});
});