chrome-devtools-frontend
Version:
Chrome DevTools UI
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text/typescript
// Copyright 2024 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import {describeWithEnvironment} from '../../../testing/EnvironmentHelpers.js';
import {getFirstOrError, getInsightOrError, processTrace} from '../../../testing/InsightHelpers.js';
import type * as Types from '../types/types.js';
describeWithEnvironment('FontDisplay', function() {
it('finds no requests for remote fonts', async () => {
const {data, insights} = await processTrace(this, 'load-simple.json.gz');
assert.strictEqual(insights.size, 2);
const insight =
getInsightOrError('FontDisplay', insights, getFirstOrError(data.Meta.navigationsByNavigationId.values()));
assert.lengthOf(insight.fonts, 0);
});
it('finds requests for remote fonts', async () => {
const {data, insights} = await processTrace(this, 'font-display.json.gz');
assert.strictEqual(insights.size, 1);
const insight =
getInsightOrError('FontDisplay', insights, getFirstOrError(data.Meta.navigationsByNavigationId.values()));
assert.deepEqual(insight.fonts.map(f => ({...f, request: f.request.args.data.url})), [
{
name: undefined,
request: 'https://fonts.gstatic.com/s/ptsans/v17/jizaRExUiTo99u79D0KExcOPIDU.woff2',
display: 'auto',
wastedTime: 20 as Types.Timing.Milli,
},
{
name: undefined,
request: 'https://fonts.gstatic.com/s/droidsans/v18/SlGVmQWMvZQIdix7AFxXkHNSbRYXags.woff2',
display: 'auto',
wastedTime: 15 as Types.Timing.Milli,
},
{
name: undefined,
request: 'https://fonts.gstatic.com/s/ptsans/v17/jizfRExUiTo99u79B_mh0O6tLR8a8zI.woff2',
display: 'auto',
wastedTime: 15 as Types.Timing.Milli,
},
{
name: undefined,
request: 'https://fonts.gstatic.com/s/droidsans/v18/SlGWmQWMvZQIdix7AFxXmMh3eDs1ZyHKpWg.woff2',
display: 'auto',
wastedTime: 15 as Types.Timing.Milli,
},
{
name: undefined,
request: 'https://fonts.gstatic.com/s/ptserif/v18/EJRVQgYoZZY2vCFuvAFWzr-_dSb_.woff2',
display: 'auto',
wastedTime: 15 as Types.Timing.Milli,
},
{
name: undefined,
request: 'https://fonts.gstatic.com/s/lato/v24/S6u9w4BMUTPHh6UVSwiPGQ3q5d0.woff2',
display: 'auto',
wastedTime: 10 as Types.Timing.Milli,
},
]);
});
});