angular-docs-cn/modules/@angular/examples/testing/ts/testing.ts

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2.4 KiB
TypeScript

import {afterEach, beforeEach, beforeEachProviders, describe, inject, it, xdescribe, xit} from '@angular/core/testing/testing_internal';
var db: any;
class MyService {}
class MyMockService implements MyService {}
// #docregion describeIt
describe('some component', () => {
it('does something', () => {
// This is a test.
});
});
// #enddocregion
// #docregion fdescribe
fdescribe('some component', () => {
it('has a test', () => {
// This test will run.
});
});
describe('another component', () => {
it('also has a test', () => { throw 'This test will not run.'; });
});
// #enddocregion
// #docregion xdescribe
xdescribe(
'some component', () => { it('has a test', () => { throw 'This test will not run.'; }); });
describe('another component', () => {
it('also has a test', () => {
// This test will run.
});
});
// #enddocregion
// #docregion fit
describe('some component', () => {
fit('has a test', () => {
// This test will run.
});
it('has another test', () => { throw 'This test will not run.'; });
});
// #enddocregion
// #docregion xit
describe('some component', () => {
xit('has a test', () => { throw 'This test will not run.'; });
it('has another test', () => {
// This test will run.
});
});
// #enddocregion
// #docregion beforeEach
describe('some component', () => {
beforeEach(() => { db.connect(); });
it('uses the db', () => {
// Database is connected.
});
});
// #enddocregion
// #docregion beforeEachProviders
describe('some component', () => {
beforeEachProviders(() => [{provide: MyService, useClass: MyMockService}]);
it('uses MyService', inject(
[MyService], (service: MyMockService) => {
// service is an instance of MyMockService.
}));
});
// #enddocregion
// #docregion afterEach
describe('some component', () => {
afterEach((done: Function) => { db.reset().then((_: any) => done()); });
it('uses the db', () => {
// This test can leave the database in a dirty state.
// The afterEach will ensure it gets reset.
});
});
// #enddocregion