Files
learnharness/tests/render-stats-bar.test.tsx
T
amosblomqvist 953b22be57 fix: the stats bar's controls were dead — pointer-events + button affordance
Live-driving the real browser caught it (the user's report: "they don't
work as buttons"): the stats row sits OUTSIDE the composer shell's
pointer-events-auto div, inside the sticky scroll wrapper's
pointer-events-none — every control on the row was unclickable, including
the pre-existing stats-detail popover button. The row now re-enables
pointer-events itself.

Also, per the user's sizing note: bar text 10px → 11px with a touch more
breathing room, and the model + thinking controls gain quiet pill
affordance (rounded-full border, card bg, ▾ chevron) — still muted by
design, but visibly buttons.

Verified live end-to-end in the browser: click opens the model menu ABOVE
(366 rows, search autofocused), "qwen flash" narrows to 5, picking
qwen3.8-flash persists + flips the label, the thinking menu shows exactly
that model's supported levels (Off/Minimal/Low/Medium/High), Medium
persists on the record via PUT, labels update. Test session settings
restored after the drive. Gates 350/350.
2026-09-12 06:11:23 +03:00

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import { renderToStaticMarkup } from "react-dom/server";
import { describe, it } from "node:test";
import assert from "node:assert/strict";
import { StatsBar } from "../components/stats-bar.tsx";
import { prettyModel } from "../components/usage-format.ts";
import type { ChatSettings, TurnUsage } from "../src/core/contracts.ts";
// The stats bar: folds only (no cost math in the component), the "—"
// doctrine for absent data, honest cost (never a fake $0), and the model +
// thinking control (components/model-picker.tsx — pi-ai catalog backed).
function step(inputTokens: number, outputTokens: number, over: Record<string, number | undefined> = {}) {
return { inputTokens, outputTokens, cacheReadTokens: undefined, cacheWriteTokens: undefined, reasoningTokens: undefined, ...over };
}
function turn(over: Partial<TurnUsage> = {}): TurnUsage {
return {
id: "t1",
messageId: "m1",
at: "2026-09-09T12:00:00Z",
model: "z-ai/glm-5.3-flash",
steps: [step(10_000, 1_000)],
...over,
};
}
const SETTINGS_STUB = (_s: ChatSettings) => {};
describe("stats bar", () => {
it("renders — everywhere when the record has no turns yet (doctrine)", () => {
const html = renderToStaticMarkup(
<StatsBar turns={[]} chatId="chat_x" onSettingsSaved={SETTINGS_STUB} />,
);
assert.match(html, /data-testid="stats-bar"/);
assert.match(html, /data-testid="stats-context">—</);
assert.match(html, /data-testid="stats-cost">—</);
// no turns, no settings, catalog not loaded → both control labels "—"
assert.match(html, /data-testid="stats-model"[^>]*>\s*<span[^>]*>—<\/span>/);
assert.match(html, /Thinking —</);
// the control reads as a button: pill border + dropdown chevron
assert.match(html, /data-testid="stats-model"[^>]*rounded-full[^>]*>/);
assert.match(html, /▾/);
});
it("folds context + cost from the turns log (core/prices, no local math)", () => {
const html = renderToStaticMarkup(
<StatsBar turns={[turn(), turn()]} chatId="chat_x" onSettingsSaved={SETTINGS_STUB} />,
);
// last turn's last call: 10k in + 1k out = 11k; pi catalog limit
// 1_048_576 → "1M" (tables regenerated from pi-ai's catalog)
assert.match(html, /data-testid="stats-context">11k \/ 1M</);
// pi catalog price 0.075/0.25 per 1M: each turn 10k×0.075 + 1k×0.25
// = $0.001 → two = $0.0020
assert.match(html, /data-testid="stats-cost">\$0\.0020</);
// model button label falls back to the last turn's actual model
// (the catalog + settings are what drive it once loaded)
assert.match(html, /data-testid="stats-model"[^>]*>\s*<span[^>]*>Glm 5\.3 Flash<\/span>/);
});
it("shows — for cost when every turn is unpriceable, never a fake $0", () => {
const html = renderToStaticMarkup(
<StatsBar turns={[turn({ model: "nope/unknown" })]} chatId="chat_x" onSettingsSaved={SETTINGS_STUB} />,
);
assert.match(html, /data-testid="stats-cost">—</);
// unknown model also kills the context limit
assert.match(html, /data-testid="stats-context">—</);
});
it("prettyModel strips vendor + date suffix, capitalizes", () => {
assert.equal(prettyModel("z-ai/glm-5.3-flash"), "Glm 5.3 Flash");
assert.equal(prettyModel("qwen/qwen3.8-max-0902"), "Qwen3.8 Max");
});
});