File size: 2,655 Bytes
3e05655 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | import { benchmark, expect } from "../benchmark"
import { expectSessionTitle } from "../../utils/waits"
import { fixture } from "./session-timeline-stress.fixture"
import {
collectCachedRepaintTrace,
compressCachedRepaintTrace,
installCachedRepaintProbe,
waitForCachedRepaintWindow,
} from "./session-tab-repaint-probe"
import { waitForStableTimeline } from "./session-tab-switch-probe"
import {
installStressSessionTabs,
installTimelineSettings,
mockStressTimeline,
stressSessionHref,
} from "./timeline-test-helpers"
benchmark("samples cached session repaint after the click", async ({ page, report }) => {
benchmark.setTimeout(120_000)
await mockStressTimeline(page)
await installStressSessionTabs(page)
await installTimelineSettings(page)
await page.goto(stressSessionHref(fixture.targetID))
await expectSessionTitle(page, fixture.expected.targetTitle)
await waitForStableTimeline(page, fixture.expected.targetMessageIDs.at(-1)!)
await page
.locator(`[data-slot="titlebar-tabs"] a[href="${stressSessionHref(fixture.sourceID)}"]`)
.first()
.click()
await expectSessionTitle(page, fixture.expected.sourceTitle)
await waitForStableTimeline(page, fixture.expected.sourceMessageIDs.at(-1)!)
await installCachedRepaintProbe(page, {
targetHref: stressSessionHref(fixture.targetID),
destination: fixture.messages[fixture.targetID].map((message) => message.info.id),
source: fixture.messages[fixture.sourceID].map((message) => message.info.id),
last: fixture.expected.targetMessageIDs.at(-1)!,
windowMs: 1_000,
})
await page
.locator(`[data-slot="titlebar-tabs"] a[href="${stressSessionHref(fixture.targetID)}"]`)
.first()
.click()
await Promise.all([expectSessionTitle(page, fixture.expected.targetTitle), waitForCachedRepaintWindow(page, 1_000)])
const result = await collectCachedRepaintTrace(page)
report(compressCachedRepaintTrace(result))
expect(result.samples.length).toBeGreaterThan(0)
})
benchmark("prefetches every open session tab", async ({ page, report }) => {
const prefetched = new Set<string>()
await mockStressTimeline(page, {
onMessages: (input) => {
if (!input.before && input.phase === "start") prefetched.add(input.sessionID)
},
})
await installStressSessionTabs(page, {
sessionIDs: [fixture.sourceID, fixture.targetID, fixture.childID],
})
await installTimelineSettings(page)
await page.goto(stressSessionHref(fixture.sourceID))
await expectSessionTitle(page, fixture.expected.sourceTitle)
await expect.poll(() => prefetched.has(fixture.childID)).toBe(true)
report({ prefetched: [...prefetched] })
})
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