angular-docs-cn/aio/content/examples/server-communication/e2e-spec.ts

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'use strict'; // necessary for es6 output in node
import { browser, element, by } from 'protractor';
describe('Server Communication', function () {
beforeAll(function () {
browser.get('');
});
describe('Tour of Heroes (Observable)', function () {
let initialHeroCount = 4;
let newHeroName = 'Mr. IQ';
let heroCountAfterAdd = 5;
let heroListComp = element(by.tagName('hero-list'));
let addButton = heroListComp.element(by.tagName('button'));
let heroTags = heroListComp.all(by.tagName('li'));
let heroNameInput = heroListComp.element(by.tagName('input'));
it('should exist', function() {
expect(heroListComp).toBeDefined('<hero-list> must exist');
});
it('should display ' + initialHeroCount + ' heroes after init', function () {
expect(heroTags.count()).toBe(initialHeroCount);
});
it('should not add hero with empty name', function () {
expect(addButton).toBeDefined('"Add Hero" button must be defined');
addButton.click().then(function() {
expect(heroTags.count()).toBe(initialHeroCount, 'No new hero should be added');
});
});
it('should add a new hero to the list', function () {
expect(heroNameInput).toBeDefined('<input> for hero name must exist');
expect(addButton).toBeDefined('"Add Hero" button must be defined');
heroNameInput.sendKeys(newHeroName);
addButton.click().then(function() {
expect(heroTags.count()).toBe(heroCountAfterAdd, 'A new hero should be added');
let newHeroInList = heroTags.get(heroCountAfterAdd - 1).getText();
expect(newHeroInList).toBe(newHeroName, 'The hero should be added to the end of the list');
});
});
});
describe('Wikipedia Demo', function () {
it('should initialize the demo with empty result list', function () {
let myWikiComp = element(by.tagName('my-wiki'));
expect(myWikiComp).toBeDefined('<my-wiki> must exist');
let resultList = myWikiComp.all(by.tagName('li'));
expect(resultList.count()).toBe(0, 'result list must be empty');
});
describe('Fetches after each keystroke', function () {
it('should fetch results after "B"', function(done) {
testForRefreshedResult('B', done);
});
it('should fetch results after "Ba"', function(done) {
testForRefreshedResult('a', done);
});
it('should fetch results after "Bas"', function(done) {
testForRefreshedResult('s', done);
});
it('should fetch results after "Basic"', function(done) {
testForRefreshedResult('ic', done);
});
});
function testForRefreshedResult(keyPressed: string, done: () => void) {
testForResult('my-wiki', keyPressed, false, done);
}
});
describe('Smarter Wikipedia Demo', function () {
it('should initialize the demo with empty result list', function () {
let myWikiSmartComp = element(by.tagName('my-wiki-smart'));
expect(myWikiSmartComp).toBeDefined('<my-wiki-smart> must exist');
let resultList = myWikiSmartComp.all(by.tagName('li'));
expect(resultList.count()).toBe(0, 'result list must be empty');
});
it('should fetch results after "Java"', function(done) {
testForNewResult('Java', done);
});
it('should fetch results after "JavaS"', function(done) {
testForStaleResult('S', done);
});
it('should fetch results after "JavaSc"', function(done) {
testForStaleResult('c', done);
});
it('should fetch results after "JavaScript"', function(done) {
testForStaleResult('ript', done);
});
function testForNewResult(keyPressed: string, done: () => void) {
testForResult('my-wiki-smart', keyPressed, false, done);
}
function testForStaleResult(keyPressed: string, done: () => void) {
testForResult('my-wiki-smart', keyPressed, true, done);
}
});
function testForResult(componentTagName: string, keyPressed: string, hasListBeforeSearch: boolean, done: () => void) {
let searchWait = 1000; // Wait for wikipedia but not so long that tests timeout
let wikiComponent = element(by.tagName(componentTagName));
expect(wikiComponent).toBeDefined('<' + componentTagName + '> must exist');
let searchBox = wikiComponent.element(by.tagName('input'));
expect(searchBox).toBeDefined('<input> for search must exist');
searchBox.sendKeys(keyPressed).then(function () {
let resultList = wikiComponent.all(by.tagName('li'));
if (hasListBeforeSearch) {
expect(resultList.count()).toBeGreaterThan(0, 'result list should not be empty before search');
}
setTimeout(function() {
expect(resultList.count()).toBeGreaterThan(0, 'result list should not be empty after search');
done();
}, searchWait);
});
}
});