angular-docs-cn/packages/upgrade/test/static/angular1_providers_spec.ts

74 lines
2.7 KiB
TypeScript

/**
* @license
* Copyright Google Inc. 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 {IInjectorService, Ng1Token} from '@angular/upgrade/static/src/common/angular1';
import {compileFactory, injectorFactory, parseFactory, rootScopeFactory, setTempInjectorRef} from '@angular/upgrade/static/src/static/angular1_providers';
{
describe('upgrade angular1_providers', () => {
describe('compileFactory', () => {
it('should retrieve and return `$compile`', () => {
const services: {[key: string]: any} = {$compile: 'foo'};
const mockInjector = {get: (name: Ng1Token): any => services[name], has: () => true};
expect(compileFactory(mockInjector)).toBe('foo');
});
});
describe('injectorFactory', () => {
it('should return the injector value that was previously set', () => {
const mockInjector = {get: () => undefined, has: () => false};
setTempInjectorRef(mockInjector);
const injector = injectorFactory();
expect(injector).toBe(mockInjector);
});
it('should throw if the injector value has not been set yet', () => {
let injector: IInjectorService|null = null;
try {
injector = injectorFactory();
} catch {
// Throwing an error is the expected behavior.
return;
}
// Normally, we should never get here (but sometimes we do on CI).
// Log some info to help debug the issue.
console.error(`Unexpected injector (${typeof injector}):`, injector);
fail(`Expected no injector, but got: ${jasmine.pp(injector)}`);
});
it('should unset the injector after the first call (to prevent memory leaks)', () => {
const mockInjector = {get: () => undefined, has: () => false};
setTempInjectorRef(mockInjector);
injectorFactory();
expect(injectorFactory).toThrowError(); // ...because it has been unset
});
});
describe('parseFactory', () => {
it('should retrieve and return `$parse`', () => {
const services: {[key: string]: any} = {$parse: 'bar'};
const mockInjector = {get: (name: Ng1Token): any => services[name], has: () => true};
expect(parseFactory(mockInjector)).toBe('bar');
});
});
describe('rootScopeFactory', () => {
it('should retrieve and return `$rootScope`', () => {
const services: {[key: string]: any} = {$rootScope: 'baz'};
const mockInjector = {get: (name: Ng1Token): any => services[name], has: () => true};
expect(rootScopeFactory(mockInjector)).toBe('baz');
});
});
});
}