angular-cn/aio/content/examples/toh-4/e2e-spec.ts

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'use strict'; // necessary for es6 output in node
import { browser, element, by, ElementFinder } from 'protractor';
import { promise } from 'selenium-webdriver';
const expectedH1 = 'Tour of Heroes';
const expectedTitle = `Angular ${expectedH1}`;
const expectedH2 = 'My Heroes';
const targetHero = { id: 16, name: 'RubberMan' };
const nameSuffix = 'X';
class Hero {
id: number;
name: string;
// Factory methods
// Get hero from s formatted as '<id> <name>'.
static fromString(s: string): Hero {
return {
id: +s.substr(0, s.indexOf(' ')),
name: s.substr(s.indexOf(' ') + 1),
};
}
// Get hero id and name from the given detail element.
static async fromDetail(detail: ElementFinder): Promise<Hero> {
// Get hero id from the first <div>
let _id = await detail.all(by.css('div')).first().getText();
// Get name from the h2
let _name = await detail.element(by.css('h2')).getText();
return {
id: +_id.substr(_id.indexOf(' ') + 1),
name: _name.substr(0, _name.lastIndexOf(' '))
};
}
}
describe('Tutorial part 4', () => {
beforeAll(() => browser.get(''));
describe('Initial page', initialPageTests);
describe('Select hero', selectHeroTests);
describe('Update hero', updateHeroTests);
});
function initialPageTests() {
it(`has title '${expectedTitle}'`, () => {
expect(browser.getTitle()).toEqual(expectedTitle);
});
it(`has h1 '${expectedH1}'`, () => {
expectHeading(1, expectedH1);
});
it(`has h2 '${expectedH2}'`, () => {
expectHeading(2, expectedH2);
});
it('has the right number of heroes', () => {
let page = getPageElts();
expect(page.heroes.count()).toEqual(10);
});
it('has no selected hero and no hero details', function () {
let page = getPageElts();
expect(page.selected.isPresent()).toBeFalsy('selected hero');
expect(page.heroDetail.isPresent()).toBeFalsy('no hero detail');
});
}
function selectHeroTests() {
it(`selects ${targetHero.name} from hero list`, function () {
let hero = element(by.cssContainingText('li span.badge', targetHero.id.toString()));
hero.click();
// Nothing specific to expect other than lack of exceptions.
});
it(`has selected ${targetHero.name}`, function () {
let page = getPageElts();
let expectedText = `${targetHero.id} ${targetHero.name}`;
expect(page.selected.getText()).toBe(expectedText);
});
it('shows selected hero details', async () => {
let page = getPageElts();
let hero = await Hero.fromDetail(page.heroDetail);
expect(hero.id).toEqual(targetHero.id);
expect(hero.name).toEqual(targetHero.name);
});
}
function updateHeroTests() {
it(`can update hero name`, () => {
addToHeroName(nameSuffix);
// Nothing specific to expect other than lack of exceptions.
});
it(`shows updated hero name in details`, async () => {
let page = getPageElts();
let hero = await Hero.fromDetail(page.heroDetail);
let newName = targetHero.name + nameSuffix;
expect(hero.id).toEqual(targetHero.id);
expect(hero.name).toEqual(newName);
});
it(`shows updated hero name in list`, async () => {
let page = getPageElts();
let hero = Hero.fromString(await page.selected.getText());
let newName = targetHero.name + nameSuffix;
expect(hero.id).toEqual(targetHero.id);
expect(hero.name).toEqual(newName);
});
}
function addToHeroName(text: string): promise.Promise<void> {
let input = element(by.css('input'));
return input.sendKeys(text);
}
function expectHeading(hLevel: number, expectedText: string): void {
let hTag = `h${hLevel}`;
let hText = element(by.css(hTag)).getText();
expect(hText).toEqual(expectedText, hTag);
};
function getPageElts() {
return {
heroes: element.all(by.css('my-app li')),
selected: element(by.css('my-app li.selected')),
heroDetail: element(by.css('my-app > div, my-app > hero-detail > div'))
};
}