test: run styling benchmarks in benchpress (#34664)

Runs the styling benchmarks that have been added with 2e0b237646863562e336f370372b4b7f9e52d818
in benchpress. The goal is that these benchmarks can be wired up in
Latency Lab.

PR Close #34664
This commit is contained in:
Paul Gschwendtner 2020-01-08 18:06:07 +01:00 committed by atscott
parent 3dee2244da
commit 5f1f42ba54
4 changed files with 99 additions and 3 deletions

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@ -1 +1,15 @@
package(default_visibility = ["//visibility:public"])
package(default_visibility = ["//modules/benchmarks:__subpackages__"])
load("//tools:defaults.bzl", "ts_library")
ts_library(
name = "tests_lib",
testonly = True,
srcs = ["styling_perf.spec.ts"],
tsconfig = "//modules/benchmarks:tsconfig-e2e.json",
deps = [
"//modules/e2e_util",
"@npm//@types/jasminewd2",
"@npm//protractor",
],
)

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@ -1,4 +1,5 @@
load("//tools:defaults.bzl", "ng_module", "ng_rollup_bundle", "ts_devserver")
load("//modules/benchmarks:benchmark_test.bzl", "benchmark_test")
package(default_visibility = ["//modules/benchmarks:__subpackages__"])
@ -30,3 +31,9 @@ ts_devserver(
static_files = ["index.html"],
deps = [":bundle.min_debug.es2015.js"],
)
benchmark_test(
name = "perf",
server = ":prodserver",
deps = ["//modules/benchmarks/src/styling:tests_lib"],
)

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@ -11,9 +11,10 @@
<h2>Styling bindings benchmark</h2>
<p>
<select id="scenario-select">
<!-- *Note*: When adding/removing scenarios, ensure the e2e test is also updated. -->
<option value="0">(0) [title]="exp" (no styling involved)</option>
<option value="1">(1) class="foo" (static class)</option>
<option value="2">(2) class="foo {{exp}}" (className binding)</option>
<option value="2">(2) class="foo {{exp}}" (class interpolation)</option>
<option value="3">(3) [class.foo]="boolExp" binding</option>
<option value="4">(4) class="foo" [class.bar]="boolExp" (mix of static and class. bindings</option>
<option value="5">(5) class="foo" [ngClass]="{bar: boolExp}" (mix of static class and ngClass binding)</option>

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@ -0,0 +1,74 @@
/**
* @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 {$, by, element} from 'protractor';
import {openBrowser, verifyNoBrowserErrors} from '../../../e2e_util/e2e_util';
import {runBenchmark} from '../../../e2e_util/perf_util';
/** List of possible scenarios that should be tested. */
const SCENARIOS = [
{optionIndex: 0, id: 'no_styling_involved'}, {optionIndex: 1, id: 'static_class'},
{optionIndex: 2, id: 'static_class_with_interpolation'}, {optionIndex: 3, id: 'class_binding'},
{optionIndex: 4, id: 'static_class_and_class_binding'},
{optionIndex: 5, id: 'static_class_and_ngclass_binding'},
{optionIndex: 6, id: 'static_class_and_ngstyle_binding_and_style_binding'}
];
describe('styling benchmark spec', () => {
afterEach(verifyNoBrowserErrors);
it('should render and interact to change detection', () => {
openBrowser({url: '/', ignoreBrowserSynchronization: true});
create();
const items = element.all(by.css('styling-bindings button'));
expect(items.count()).toBe(2000);
expect(items.first().getAttribute('title')).toBe('bar');
detectChanges();
expect(items.first().getAttribute('title')).toBe('baz');
});
// Create benchmarks for each possible test scenario.
SCENARIOS.forEach(({optionIndex, id}) => {
describe(id, () => {
it('should run detect_changes benchmark', done => {
runStylingBenchmark(`styling.${id}.detect_changes`, {
work: () => detectChanges(),
prepare: () => {
// Switch to the current scenario by clicking the corresponding option.
element.all(by.tagName('option')).get(optionIndex).click();
// Create the elements with styling.
create();
},
}).then(done, done.fail);
});
});
});
});
function create() {
$('#create').click();
}
function detectChanges() {
$('#detectChanges').click();
}
/**
* Runs the styling benchmark with the given id and worker. The worker describes
* the actions that should run for preparation and measurement.
*/
function runStylingBenchmark(id: string, worker: {prepare: () => void, work: () => void}) {
return runBenchmark({
id,
url: '/',
params: [],
ignoreBrowserSynchronization: true,
prepare: worker.prepare,
work: worker.work
});
}