angular-cn/packages/benchpress/test/reporter/console_reporter_spec.ts

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/**
* @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 {StaticProvider} from '@angular/core';
import {describe, expect, it} from '@angular/core/testing/src/testing_internal';
import {ConsoleReporter, Injector, MeasureValues, SampleDescription} from '../../index';
export function main() {
describe('console reporter', () => {
let reporter: ConsoleReporter;
let log: string[];
function createReporter(
{columnWidth = null, sampleId = null, descriptions = null, metrics = null}: {
columnWidth?: number,
sampleId?: string,
descriptions?: {[key: string]: any}[],
metrics?: {[key: string]: any}
}) {
log = [];
if (!descriptions) {
descriptions = [];
}
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if (sampleId == null) {
sampleId = 'null';
}
const providers: StaticProvider[] = [
ConsoleReporter.PROVIDERS, {
provide: SampleDescription,
useValue: new SampleDescription(sampleId, descriptions, metrics !)
},
{provide: ConsoleReporter.PRINT, useValue: (line: string) => log.push(line)}
];
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if (columnWidth != null) {
providers.push({provide: ConsoleReporter.COLUMN_WIDTH, useValue: columnWidth});
}
reporter = Injector.create(providers).get(ConsoleReporter);
}
it('should print the sample id, description and table header', () => {
createReporter({
columnWidth: 8,
sampleId: 'someSample',
descriptions: [{'a': 1, 'b': 2}],
metrics: {'m1': 'some desc', 'm2': 'some other desc'}
});
expect(log).toEqual([
'BENCHMARK someSample',
'Description:',
'- a: 1',
'- b: 2',
'Metrics:',
'- m1: some desc',
'- m2: some other desc',
'',
' m1 | m2',
'-------- | --------',
]);
});
it('should print a table row', () => {
createReporter({columnWidth: 8, metrics: {'a': '', 'b': ''}});
log = [];
reporter.reportMeasureValues(mv(0, 0, {'a': 1.23, 'b': 2}));
expect(log).toEqual([' 1.23 | 2.00']);
});
it('should print the table footer and stats when there is a valid sample', () => {
createReporter({columnWidth: 8, metrics: {'a': '', 'b': ''}});
log = [];
reporter.reportSample([], [mv(0, 0, {'a': 3, 'b': 6}), mv(1, 1, {'a': 5, 'b': 9})]);
expect(log).toEqual(['======== | ========', '4.00+-25% | 7.50+-20%']);
});
it('should print the coefficient of variation only when it is meaningful', () => {
createReporter({columnWidth: 8, metrics: {'a': '', 'b': ''}});
log = [];
reporter.reportSample([], [mv(0, 0, {'a': 3, 'b': 0}), mv(1, 1, {'a': 5, 'b': 0})]);
expect(log).toEqual(['======== | ========', '4.00+-25% | 0.00']);
});
});
}
function mv(runIndex: number, time: number, values: {[key: string]: number}) {
return new MeasureValues(runIndex, new Date(time), values);
}