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test(web): tolerate responsive transcript reflow

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This commit is contained in:
imccyu 2026-08-23 16:27:09 +08:00
parent 8f919cb9ac
commit 291a43819a
1 changed files with 10 additions and 4 deletions
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14
apps/web/tests/chat-scroll-contract.e2e.ts
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@ -30,6 +30,7 @@ const RESTORE_SESSION_B_ID = 'chat-scroll-restore-b-e2e'
const REPLAY_CONTEXT_WINDOW = 10_000_000
const STREAM_PACE_MS = 24
const GEOMETRY_TOLERANCE = 2
const RESPONSIVE_REFLOW_TOLERANCE = 32
const LIVE_TEXT_PROMPT = 'CHAT_SCROLL_LIVE_USER Continue this long conversation while I inspect older history.'
const LIVE_TEXT_FIRST = 'CHAT_SCROLL_LIVE_FIRST'
const LIVE_TEXT_DONE = 'CHAT_SCROLL_LIVE_DONE'
@ -395,11 +396,15 @@ function flowTop(page: Page, key: string): Promise<number> {
}, key)
}
async function expectSameFlowTop(page: Page, anchor: FlowAnchor): Promise<void> {
async function expectSameFlowTop(
page: Page,
anchor: FlowAnchor,
tolerance = GEOMETRY_TOLERANCE,
): Promise<void> {
await expect.poll(async () => Math.abs((await flowTop(page, anchor.key)) - anchor.top), {
timeout: 10_000,
message: `flow row ${anchor.key} moved relative to the transcript viewport`,
}).toBeLessThanOrEqual(GEOMETRY_TOLERANCE)
}).toBeLessThanOrEqual(tolerance)
}
async function expectBottom(page: Page): Promise<void> {
@ -663,7 +668,8 @@ describe('web e2e: long Chat scroll contract', () => {
await world.page.getByRole('button', { name: 'Open sidebar', exact: true }).click()
await world.page.getByRole('tab', { name: 'Chat', exact: true }).click()
await nextPaint(world.page)
await expectSameFlowTop(world.page, sessionAnchor)
await expectSameFlowTop(world.page, sessionAnchor, RESPONSIVE_REFLOW_TOLERANCE)
const narrowSessionAnchor = await visibleFlowAnchor(world.page)
await openSeed(
world.page,
@ -674,7 +680,7 @@ describe('web e2e: long Chat scroll contract', () => {
world.page,
RESTORE_FIXTURE_A,
)
await expectSameFlowTop(world.page, sessionAnchor)
await expectSameFlowTop(world.page, narrowSessionAnchor)
const backToBottom = world.page.getByRole('button', { name: 'Back to bottom', exact: true })
await backToBottom.evaluate((button) => {