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After a fragment swap, process-elements(target) -> process-boosted(target) only boosted [sx-boost] containers that are DESCENDANTS of the swap target. But the swap target (#content) is nested UNDER the boost wrapper (<div sx-boost="#content"> <div id="content">), so re-boosting scoped to the target found nothing — the swapped-in links never got bound. Only the initial document-wide boot boost worked, so: home->sub worked (home links boosted at boot), but Back restored the home content unboosted, and the next click did a full page reload. (Post-page links were unboosted too; Back just exposed it.) process-boosted now ALSO boosts from the nearest [sx-boost] ANCESTOR of root (dom-closest), so any swap target inside a boost scope gets its links rebound. is-processed? guards keep it idempotent. spa-check: the back-button test now clicks AGAIN after Back and asserts it's a SPA nav (no full reload) — would have caught this. .sxbc regenerated. Verified: spa-check 4/4 (incl. click-after-back).
81 lines
4.0 KiB
JavaScript
81 lines
4.0 KiB
JavaScript
// Browser check for the blog SPA (lib/host/blog.sx + lib/host/static.sx). Runs
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// against an ephemeral host server seeded with a couple of posts by
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// run-spa-check.sh, which copies this spec into the Playwright env and sets
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// SX_TEST_URL. Verifies the WASM OCaml kernel boots in the browser, the SX-htmx
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// engine activates sx-boost on #content's links, and clicking a link does a
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// fragment swap (no full page reload) with history — i.e. it's a real SPA.
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const { test, expect } = require('playwright/test');
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// boot-init sets data-sx-ready="true" on <html> once the WASM kernel + web stack
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// have loaded and the page has been processed. WASM compile + ~25 asset fetches,
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// so allow generous time.
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async function waitReady(page) {
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await expect(page.locator('html[data-sx-ready="true"]')).toHaveCount(1, { timeout: 45000 });
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}
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// a post link in the listing (trailing slash); skip /new, /login, /tags.
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const POSTLINK = '#content a[href$="/"]';
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test.describe('blog SPA', () => {
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test('WASM kernel boots and marks the document ready', async ({ page }) => {
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const errors = [];
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page.on('console', (m) => { if (m.type() === 'error') errors.push(m.text()); });
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page.on('pageerror', (e) => errors.push(String(e)));
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await page.goto('/');
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await waitReady(page);
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// the shell shipped the WASM loaders
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expect(await page.locator('script[src*="sx_browser.bc.wasm.js"]').count()).toBe(1);
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expect(await page.locator('script[src*="sx-platform.js"]').count()).toBe(1);
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// no boot-time JS errors
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expect(errors, errors.join('\n')).toEqual([]);
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});
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test('links inside #content get boosted', async ({ page }) => {
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await page.goto('/');
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await waitReady(page);
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// the engine marks a boosted link with the _sxBoundboost JS property
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await expect
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.poll(() => page.locator(POSTLINK).first().evaluate((a) => !!a._sxBoundboost), { timeout: 15000 })
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.toBe(true);
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});
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test('clicking a link does a fragment swap — no full reload, URL updates', async ({ page }) => {
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await page.goto('/');
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await waitReady(page);
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// sentinel survives ONLY if there is no full-page reload
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await page.evaluate(() => { window.__noReload = true; });
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const link = page.locator(POSTLINK).first();
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const href = await link.getAttribute('href');
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await link.click();
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await page.waitForURL((u) => u.pathname === href, { timeout: 15000 });
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expect(await page.evaluate(() => window.__noReload)).toBe(true); // no reload
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// content was swapped into #content (a post page carries the post footer)
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await expect(page.locator('#content')).toContainText(/all posts/i, { timeout: 15000 });
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// the post BODY itself rendered — the <article> comes from raw! HTML, which
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// exercises the client SX raw-HTML path (dom-parse-html). If that drops the
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// content (NodeList-vs-Node bug), the footer still shows but this fails.
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await expect(page.locator('#content article').first()).toBeVisible({ timeout: 15000 });
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});
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test('back button restores the listing', async ({ page }) => {
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await page.goto('/');
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await waitReady(page);
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const link = page.locator(POSTLINK).first();
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const href = await link.getAttribute('href');
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await link.click();
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await page.waitForURL((u) => u.pathname === href, { timeout: 15000 });
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await page.goBack();
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await page.waitForURL((u) => u.pathname === '/', { timeout: 15000 });
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await expect(page.locator('#content h1')).toContainText('Posts');
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// and a click AFTER back must still be a SPA nav, not a full reload — the
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// restored content has to be re-boosted (its [sx-boost] marker is an
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// ancestor of the swap target, so the re-boost must scan upward).
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await page.evaluate(() => { window.__noReload2 = true; });
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const link2 = page.locator(POSTLINK).first();
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const href2 = await link2.getAttribute('href');
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await link2.click();
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await page.waitForURL((u) => u.pathname === href2, { timeout: 15000 });
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expect(await page.evaluate(() => window.__noReload2)).toBe(true);
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});
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});
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