angular-docs-cn/modules/benchmarks/e2e_test/naive_infinite_scroll_spec.ts

57 lines
2.0 KiB
TypeScript

import {verifyNoBrowserErrors} from '@angular/testing/src/e2e_util';
import {runClickBenchmark} from '@angular/testing/src/perf_util';
describe('ng2 naive infinite scroll benchmark', function() {
var URL = 'benchmarks/src/naive_infinite_scroll/index.html?appSize=3';
afterEach(verifyNoBrowserErrors);
it('should not throw errors', function() {
browser.get(URL);
var expectedRowCount = 18;
var expectedCellsPerRow = 27;
var allScrollItems = 'scroll-app #testArea scroll-item';
var cells = `${ allScrollItems } .row *`;
var stageButtons = `${ allScrollItems } .row stage-buttons button`;
var count = function(selector) {
return browser.executeScript(`return ` +
`document.querySelectorAll("${ selector }").length;`);
};
var clickFirstOf = function(selector) {
return browser.executeScript(`document.querySelector("${ selector }").click();`);
};
var firstTextOf = function(selector) {
return browser.executeScript(`return ` +
`document.querySelector("${ selector }").innerText;`);
};
// Make sure rows are rendered
count(allScrollItems).then(function(c) { expect(c).toEqual(expectedRowCount); });
// Make sure cells are rendered
count(cells).then(function(c) { expect(c).toEqual(expectedRowCount * expectedCellsPerRow); });
// Click on first enabled button and verify stage changes
firstTextOf(`${ stageButtons }:enabled`)
.then(function(text) {
expect(text).toEqual('Pitched');
clickFirstOf(`${ stageButtons }:enabled`)
.then(function() {
firstTextOf(`${ stageButtons }:enabled`)
.then(function(text) { expect(text).toEqual('Won'); })
});
});
$("#reset-btn").click();
$("#run-btn").click();
browser.wait(() => {
return $('#done').getText().then(function() { return true; }, function() { return false; });
}, 10000);
});
});