angular-cn/packages/language-service/ivy/test/language_service_adapter_sp...

50 lines
1.9 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 {LanguageServiceAdapter} from '../language_service_adapter';
import {setup, TEST_TEMPLATE} from './mock_host';
const {project, service} = setup();
describe('Language service adapter', () => {
it('should register update if it has not seen the template before', () => {
const adapter = new LanguageServiceAdapter(project);
// Note that readResource() has never been called, so the adapter has no
// knowledge of the template at all.
const isRegistered = adapter.registerTemplateUpdate(TEST_TEMPLATE);
expect(isRegistered).toBeTrue();
expect(adapter.getModifiedResourceFiles().size).toBe(1);
});
it('should not register update if template has not changed', () => {
const adapter = new LanguageServiceAdapter(project);
adapter.readResource(TEST_TEMPLATE);
const isRegistered = adapter.registerTemplateUpdate(TEST_TEMPLATE);
expect(isRegistered).toBeFalse();
expect(adapter.getModifiedResourceFiles().size).toBe(0);
});
it('should register update if template has changed', () => {
const adapter = new LanguageServiceAdapter(project);
adapter.readResource(TEST_TEMPLATE);
service.overwrite(TEST_TEMPLATE, '<p>Hello World</p>');
const isRegistered = adapter.registerTemplateUpdate(TEST_TEMPLATE);
expect(isRegistered).toBe(true);
expect(adapter.getModifiedResourceFiles().size).toBe(1);
});
it('should clear template updates on read', () => {
const adapter = new LanguageServiceAdapter(project);
const isRegistered = adapter.registerTemplateUpdate(TEST_TEMPLATE);
expect(isRegistered).toBeTrue();
expect(adapter.getModifiedResourceFiles().size).toBe(1);
adapter.readResource(TEST_TEMPLATE);
expect(adapter.getModifiedResourceFiles().size).toBe(0);
});
});