import test from 'node:test';
import assert from 'node:assert/strict';
import {
allowPlazaEmbedFrame,
appendPlazaEmbedQuery,
injectPlazaEmbedBootstrap,
isPlazaEmbedRequest,
preparePublicationHtmlForEmbed,
publishedPageCspForEmbed,
stripPublicationHtmlCspMeta,
} from './plaza-embed.mjs';
test('isPlazaEmbedRequest detects embed=plaza', () => {
assert.equal(isPlazaEmbedRequest({ embed: 'plaza' }), true);
assert.equal(isPlazaEmbedRequest({ embed: 'other' }), false);
assert.equal(isPlazaEmbedRequest({}), false);
});
test('appendPlazaEmbedQuery appends query once', () => {
assert.equal(
appendPlazaEmbedQuery('/u/john/pages/demo'),
'/u/john/pages/demo?embed=plaza',
);
assert.equal(
appendPlazaEmbedQuery('/u/john/pages/demo?embed=plaza'),
'/u/john/pages/demo?embed=plaza',
);
});
test('injectPlazaEmbedBootstrap adds script before closing body', () => {
const html = 'Hi
';
const out = injectPlazaEmbedBootstrap(html);
assert.match(out, /plaza-embed-bootstrap/);
assert.match(out, /<\/body>/);
});
test('publishedPageCspForEmbed allows inline script', () => {
assert.match(publishedPageCspForEmbed(true), /script-src 'unsafe-inline'/);
assert.match(publishedPageCspForEmbed(true), /img-src 'self' data: https: http:/);
});
test('allowPlazaEmbedFrame removes legacy X-Frame-Options header', () => {
let removed = null;
allowPlazaEmbedFrame({
removeHeader(name) {
removed = name;
},
});
assert.equal(removed, 'X-Frame-Options');
});
test('stripPublicationHtmlCspMeta removes inline CSP meta tags', () => {
const html =
'';
const out = stripPublicationHtmlCspMeta(html);
assert.doesNotMatch(out, /Content-Security-Policy/);
});
test('preparePublicationHtmlForEmbed strips CSP and injects bootstrap', () => {
const html = `
`;
const out = preparePublicationHtmlForEmbed(html);
assert.doesNotMatch(out, /http-equiv="Content-Security-Policy"/);
assert.match(out, /plaza-embed-bootstrap/);
assert.match(out, /plaza-embed-overrides/);
assert.match(out, /\.hero\{height:auto!important;min-height:0!important/);
});
test('embed bootstrap measures content blocks without document scrollHeight feedback', () => {
const html = 'Tall';
const out = preparePublicationHtmlForEmbed(html);
assert.doesNotMatch(out, /root\?root\.scrollHeight/);
assert.doesNotMatch(out, /body\?body\.scrollHeight/);
assert.match(out, /isDecorative/);
assert.match(out, /bg-particles/);
assert.match(out, /blocks\(\)\.forEach\(function\(el\)\{if\(el\)ro\.observe\(el\)/);
});