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Codeman/test/history-list-controls.test.ts
2026-08-10 03:15:13 +02:00

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/**
* @fileoverview Issue #260, the home screen's "Resume Conversation" list.
*
* With ~35 past sessions the list showed 4 rows, then a button that dumped every
* remaining row into a fixed 240px box, with no way to sort or filter. The fix
* moved rendering into `_renderHistoryList()` over a cached corpus, so what is
* worth pinning is the model, not the pixels:
* 1. the collapsed page is _HISTORY_INITIAL_COUNT rows, not 4,
* 2. "Show more" expands the LIST and marks the box expanded (the CSS cap is
* class-driven, without the class, expanding just deepens a scroll well),
* 3. filtering matches name / folder / case label / prompt, and implies
* expansion (hiding matches behind "Show more" defeats typing a filter),
* 4. sorting is alphabetical by name or folder, with pinned rows still on top.
*
* Loaded via `vm` against a stub CodemanApp with a fake DOM, same harness as
* resume-name.test.ts. `_buildHistoryItem` is stubbed: this pins WHICH rows get
* rendered and in what order, not how one row looks.
*/
import { readFileSync } from 'node:fs';
import { resolve } from 'node:path';
import vm from 'node:vm';
import { describe, expect, it, vi } from 'vitest';
interface FakeEl {
id: string;
value: string;
textContent: string;
scrollTop: number;
className: string;
children: FakeEl[];
classes: Set<string>;
listeners: Record<string, ((ev: unknown) => void)[]>;
classList: { toggle: (c: string, on: boolean) => void; contains: (c: string) => boolean };
replaceChildren: () => void;
appendChild: (child: FakeEl) => FakeEl;
addEventListener: (type: string, fn: (ev: unknown) => void) => void;
style: Record<string, string>;
}
function fakeEl(id: string): FakeEl {
const el = {
id,
value: '',
textContent: '',
scrollTop: 0,
className: '',
children: [] as FakeEl[],
classes: new Set<string>(),
listeners: {} as Record<string, ((ev: unknown) => void)[]>,
style: {} as Record<string, string>,
} as FakeEl;
el.classList = {
toggle: (c: string, on: boolean) => (on ? el.classes.add(c) : el.classes.delete(c)),
contains: (c: string) => el.classes.has(c),
};
el.replaceChildren = () => {
el.children = [];
};
el.appendChild = (child: FakeEl) => {
el.children.push(child);
return child;
};
el.addEventListener = (type: string, fn: (ev: unknown) => void) => {
(el.listeners[type] ||= []).push(fn);
};
return el;
}
/* eslint-disable @typescript-eslint/no-explicit-any */
/**
* The element map the vm's `document.getElementById` resolves against. Swapped
* per test, the closure is defined in THIS realm, so the shipping code inside
* the vm reads whatever the current test installed.
*/
let currentEls: Record<string, FakeEl> = {};
function loadTerminalUiPrototype(): Record<string, any> {
const source = readFileSync(resolve(import.meta.dirname, '../src/web/public/terminal-ui.js'), 'utf8');
const context = vm.createContext({
console,
CodemanApp: class CodemanApp {},
setInterval: vi.fn(),
clearInterval: vi.fn(),
setTimeout,
clearTimeout,
requestAnimationFrame: vi.fn(),
document: {
addEventListener: vi.fn(),
getElementById: (id: string) => currentEls[id] ?? null,
createElement: () => fakeEl('created'),
},
window: { addEventListener: vi.fn(), removeEventListener: vi.fn() },
});
vm.runInContext(`${source}\nglobalThis.__proto = CodemanApp.prototype;`, context);
return (context as unknown as { __proto: Record<string, any> }).__proto;
}
const proto = loadTerminalUiPrototype();
type Row = {
sessionId: string;
name?: string;
workingDir?: string;
firstPrompt?: string;
pinned?: boolean;
lastActivityAt?: number;
};
/** Host object carrying the real render/filter/sort methods over a fake DOM. */
function makeApp(rows: Row[], cases: Array<{ name: string; path: string }> = []) {
const els: Record<string, FakeEl> = {
historyList: fakeEl('historyList'),
historyFilter: fakeEl('historyFilter'),
historySort: fakeEl('historySort'),
historyCount: fakeEl('historyCount'),
};
els.historySort.value = 'recent';
const app: any = {
_HISTORY_INITIAL_COUNT: proto._HISTORY_INITIAL_COUNT,
_historyAll: rows,
_historyCases: cases,
_renderHistoryList: proto._renderHistoryList,
_historyRowMatches: proto._historyRowMatches,
_sortHistoryRows: proto._sortHistoryRows,
_historyRowLabel: proto._historyRowLabel,
_resolveCaseLabel: proto._resolveCaseLabel,
_shortenHomePath: proto._shortenHomePath,
// One fake node per row, tagged so assertions can read back the order.
_buildHistoryItem: (s: Row) => {
const el = fakeEl('item');
el.textContent = s.sessionId;
return el;
},
els,
/** Rendered row ids, excluding the show-more/less button and empty state. */
renderedIds(): string[] {
return els.historyList.children.filter((c) => c.id === 'item').map((c) => c.textContent);
},
button(): FakeEl | undefined {
return els.historyList.children.find((c) => c.id === 'created');
},
};
// Point the vm's document at this app's elements, then run the shipping method.
app._render = () => {
currentEls = els;
app._renderHistoryList();
};
return app;
}
function rows(n: number, overrides: Partial<Row> = {}): Row[] {
return Array.from({ length: n }, (_, i) => ({
sessionId: `s${i}`,
name: `w${i}-project${i}`,
workingDir: `/home/u/project${i}`,
lastActivityAt: 1000 - i,
...overrides,
}));
}
describe('issue #260: collapsed page size', () => {
it('shows more than the old 4 rows before "Show more"', () => {
expect(proto._HISTORY_INITIAL_COUNT).toBeGreaterThanOrEqual(8);
});
it('renders the initial page and a "Show more" button for the rest', () => {
const app = makeApp(rows(35));
app._render();
expect(app.renderedIds()).toHaveLength(proto._HISTORY_INITIAL_COUNT);
expect(app.button()?.textContent).toBe(`Show ${35 - proto._HISTORY_INITIAL_COUNT} more`);
expect(app.els.historyList.classList.contains('expanded')).toBe(false);
});
it('expanding renders every row AND marks the box expanded', () => {
const app = makeApp(rows(35));
app._historyExpanded = true;
app._render();
expect(app.renderedIds()).toHaveLength(35);
// Without this class the CSS max-height stays at the collapsed cap and the
// extra rows land in a four-row scroll well, the original bug.
expect(app.els.historyList.classList.contains('expanded')).toBe(true);
expect(app.button()?.textContent).toBe('Show less');
});
it('shows no button at all when everything fits', () => {
const app = makeApp(rows(3));
app._render();
expect(app.renderedIds()).toHaveLength(3);
expect(app.button()).toBeUndefined();
});
});
describe('issue #260: filter', () => {
it('matches on folder name and shows every match without expanding first', () => {
const app = makeApp([
...rows(30),
{ sessionId: 'x1', name: 'w99-invoices', workingDir: '/home/u/invoices', lastActivityAt: 1 },
{ sessionId: 'x2', name: 'w98-other', workingDir: '/home/u/invoices-archive', lastActivityAt: 2 },
]);
app.els.historyFilter.value = 'invoices';
app._render();
expect(app.renderedIds().sort()).toEqual(['x1', 'x2']);
expect(app.els.historyList.classList.contains('expanded')).toBe(true);
expect(app.els.historyCount.textContent).toBe('2 of 32');
});
it('matches on the case label and on a prompt', () => {
const app = makeApp(
[
{ sessionId: 'c1', name: 'w1-x', workingDir: '/home/u/cases/billing', lastActivityAt: 1 },
{
sessionId: 'p1',
name: 'w2-y',
workingDir: '/home/u/other',
firstPrompt: 'fix the CSV export',
lastActivityAt: 2,
},
],
[{ name: 'billing', path: '/home/u/cases/billing' }]
);
app.els.historyFilter.value = '#billing';
app._render();
expect(app.renderedIds()).toEqual(['c1']);
app.els.historyFilter.value = 'csv export';
app._render();
expect(app.renderedIds()).toEqual(['p1']);
});
it('renders an empty state when nothing matches', () => {
const app = makeApp(rows(5));
app.els.historyFilter.value = 'zzzz';
app._render();
expect(app.renderedIds()).toEqual([]);
expect(app.els.historyList.children[0].textContent).toContain('No conversations match');
});
});
describe('issue #260: sort', () => {
const unsorted: Row[] = [
{ sessionId: 'b', name: 'beta', workingDir: '/home/u/zeta', lastActivityAt: 300 },
{ sessionId: 'a', name: 'alpha', workingDir: '/home/u/yankee', lastActivityAt: 200 },
{ sessionId: 'c', name: 'gamma', workingDir: '/home/u/xray', lastActivityAt: 100 },
];
it('recent keeps the backend order', () => {
const app = makeApp(unsorted);
app._render();
expect(app.renderedIds()).toEqual(['b', 'a', 'c']);
});
it('sorts by name', () => {
const app = makeApp(unsorted);
app.els.historySort.value = 'name';
app._render();
expect(app.renderedIds()).toEqual(['a', 'b', 'c']);
});
it('sorts by folder basename', () => {
const app = makeApp(unsorted);
app.els.historySort.value = 'folder';
app._render();
expect(app.renderedIds()).toEqual(['c', 'a', 'b']);
});
it('sorts transcript rows (no session name) by the prompt shown as their title', () => {
// Most past rows come from a transcript and have no name at all. Keying the
// A–Z sort off `name` alone made "Name A–Z" a no-op for them.
const app = makeApp([
{ sessionId: 'z', workingDir: '/home/u/one', firstPrompt: 'zebra crossing' },
{ sessionId: 'a', workingDir: '/home/u/two', firstPrompt: 'apple pie' },
{ sessionId: 'm', workingDir: '/home/u/three', firstPrompt: 'middle ground' },
]);
app.els.historySort.value = 'name';
app._render();
expect(app.renderedIds()).toEqual(['a', 'm', 'z']);
});
it('keeps pinned rows on top in every sort mode', () => {
const app = makeApp([{ sessionId: 'p', name: 'zulu', workingDir: '/home/u/zulu', pinned: true }, ...unsorted]);
for (const mode of ['recent', 'name', 'folder']) {
app.els.historySort.value = mode;
app._render();
expect(app.renderedIds()[0]).toBe('p');
}
});
});