angular-cn/modules/benchpress/test/metric/user_metric_spec.ts

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import {ReflectiveInjector} from "angular2/core";
import {
afterEach,
AsyncTestCompleter,
beforeEach,
ddescribe,
describe,
expect,
iit,
inject,
it,
xit
} from 'angular2/testing_internal';
import {TimerWrapper} from 'angular2/src/facade/async';
import {StringMapWrapper} from 'angular2/src/facade/collection';
import {PromiseWrapper} from 'angular2/src/facade/async';
import {isPresent, isBlank, Json} from 'angular2/src/facade/lang';
import {
Metric,
MultiMetric,
PerflogMetric,
UserMetric,
WebDriverAdapter,
WebDriverExtension,
PerfLogFeatures,
bind,
provide,
Injector,
Options
} from 'benchpress/common';
export function main() {
var wdAdapter: MockDriverAdapter;
function createMetric(perfLogs, perfLogFeatures,
{userMetrics}: {userMetrics?: {[key: string]: string}} = {}): UserMetric {
if (isBlank(perfLogFeatures)) {
perfLogFeatures =
new PerfLogFeatures({render: true, gc: true, frameCapture: true, userTiming: true});
}
if (isBlank(userMetrics)) {
userMetrics = StringMapWrapper.create();
}
wdAdapter = new MockDriverAdapter();
var bindings = [
Options.DEFAULT_PROVIDERS,
UserMetric.BINDINGS,
bind(Options.USER_METRICS).toValue(userMetrics),
provide(WebDriverAdapter, {useValue: wdAdapter})
];
return ReflectiveInjector.resolveAndCreate(bindings).get(UserMetric);
}
describe('user metric', () => {
it('should describe itself based on userMetrics', () => {
expect(createMetric([[]], new PerfLogFeatures(), {userMetrics: {'loadTime': 'time to load'}})
.describe())
.toEqual({'loadTime': 'time to load'});
});
describe('endMeasure', () => {
it('should stop measuring when all properties have numeric values',
inject([AsyncTestCompleter], (async) => {
let metric = createMetric(
[[]], new PerfLogFeatures(),
{userMetrics: {'loadTime': 'time to load', 'content': 'time to see content'}});
metric.beginMeasure()
.then((_) => metric.endMeasure(true))
.then((values: {[key: string]: string}) => {
expect(values['loadTime']).toBe(25);
expect(values['content']).toBe(250);
async.done();
});
wdAdapter.data['loadTime'] = 25;
// Wait before setting 2nd property.
TimerWrapper.setTimeout(() => { wdAdapter.data['content'] = 250; }, 50);
}), 600);
});
});
}
class MockDriverAdapter extends WebDriverAdapter {
data: any = {};
executeScript(script: string): any {
// Just handles `return window.propName` ignores `delete window.propName`.
if (script.indexOf('return window.') == 0) {
let metricName = script.substring('return window.'.length);
return PromiseWrapper.resolve(this.data[metricName]);
} else if (script.indexOf('delete window.') == 0) {
return PromiseWrapper.resolve(null);
} else {
return PromiseWrapper.reject(`Unexpected syntax: ${script}`, null);
}
}
}