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test: tests that assumed an idle machine wait for what they assert, or carry a budget for their work

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Under a busy machine (the gate's lanes side by side, 12 busy cores) these went red at random: a press landed while the button was still busy, an answer was settled before it was asked for, a page grew past one wait's budget, a lazy chunk was transformed inside a 1 s wait, focus was taken a frame after the press. They now wait for the condition they depend on, preload the chunks they open, and the tests that do heavy work (whole-repo scans, the type-aware linter, module resets) carry an explicit budget naming that work. The whole suite four times under 12 busy-loop processes: red 4/4 before, 0/4 after.
This commit is contained in:
peter
2026-10-17 01:08:15 +02:00
parent 926e5e9899
commit 5ba5679239
18 changed files with 181 additions and 96 deletions
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frontend/src/lib/buttonPrimitive.contract.test.ts
+19 -13
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@@ -13,19 +13,25 @@ async function hits(source: string, filePath = "src/components/__probe.tsx"): Pr
}
describe("a hand-rolled button", () => {
it("is refused in a feature component, the lab and lib, raw or focus-safe", async () => {
const raw = 'export const A = () => <button className="px-3">x</button>;\n';
expect(await hits(raw)).toBe(1);
expect(await hits(raw, "src/design-lab/__probe.tsx")).toBe(1);
expect(await hits(raw, "src/lib/__probe.tsx")).toBe(1);
// …and in a ui/ COMPOSITE: a pager or a side panel is built from the primitives too.
expect(await hits(raw, "src/components/ui/Pager.tsx")).toBe(1);
expect(
await hits(
'import { FocusSafeButton } from "./ui/FocusSafeButton";\nexport const B = () => <FocusSafeButton>x</FocusSafeButton>;\n',
),
).toBe(1);
});
// Each new path's first lint makes the type-aware project service load it (0.4–1 s apiece, a repeat
// ~0): this case lints four, ~1.4 s idle, past 5 s on a busy machine.
it(
"is refused in a feature component, the lab and lib, raw or focus-safe",
{ timeout: 30_000 },
async () => {
const raw = 'export const A = () => <button className="px-3">x</button>;\n';
expect(await hits(raw)).toBe(1);
expect(await hits(raw, "src/design-lab/__probe.tsx")).toBe(1);
expect(await hits(raw, "src/lib/__probe.tsx")).toBe(1);
// …and in a ui/ COMPOSITE: a pager or a side panel is built from the primitives too.
expect(await hits(raw, "src/components/ui/Pager.tsx")).toBe(1);
expect(
await hits(
'import { FocusSafeButton } from "./ui/FocusSafeButton";\nexport const B = () => <FocusSafeButton>x</FocusSafeButton>;\n',
),
).toBe(1);
},
);
it("is allowed only in a control primitive, and the primitives pass everywhere", async () => {
for (const file of ["IconButton.tsx", "SegmentedToggle.tsx", "AnchoredPopover.tsx"])