import assert from 'node:assert/strict';
import { readFile } from 'node:fs/promises';
import test from 'node:test';

test('Sidebar override renders an accessible no-JavaScript programme switch', async () => {
  const component = await readFile('src/components/ProgrammeSwitch.astro', 'utf8');
  const wrapper = await readFile('src/components/Sidebar.astro', 'utf8');
  assert.match(component, /aria-label="Bachelor programme"/);
  assert.match(component, /aria-current/);
  assert.doesNotMatch(component, /client:|<script/);
  assert.match(wrapper, /@astrojs\/starlight\/components\/Sidebar\.astro/);
});

test('programme switch uses compact visible labels with full accessible names', async () => {
  const component = await readFile('src/components/ProgrammeSwitch.astro', 'utf8');
  assert.match(component, />DSAI<\/a>/);
  assert.match(component, />CS<\/a>/);
  assert.match(component, /aria-label="Data Science & AI"/);
  assert.match(component, /aria-label="Computer Science"/);
  assert.match(component, /title="Data Science & AI"/);
  assert.match(component, /title="Computer Science"/);
  assert.match(component, />Bachelor programme<\/span>/);
  assert.doesNotMatch(component, />Course information<\/span>/);
});