Add Data Library: live-fetched dataset, tile and pack layers

src/library/catalog.test.mjs

@@ -0,0 +1,47 @@
+import test from 'node:test';
+import assert from 'node:assert/strict';
+import { readdirSync, readFileSync } from 'node:fs';
+import { fileURLToPath } from 'node:url';
+import path from 'node:path';
+import {
+  LIBRARY_ENTRIES,
+  LIBRARY_LEDGER,
+  LIBRARY_MANIFESTS,
+} from './catalog.js';
+import { readLibraryLedger } from './selection.js';
+
+const here = path.dirname(fileURLToPath(import.meta.url));
+
+test('every manifest file is imported, named after its id', () => {
+  const files = readdirSync(path.join(here, 'entries'))
+    .filter((name) => name.endsWith('.json'))
+    .sort();
+  assert.deepEqual(
+    files,
+    LIBRARY_MANIFESTS.map(({ id }) => `${id}.json`).sort(),
+  );
+  for (const file of files) {
+    const raw = JSON.parse(
+      readFileSync(path.join(here, 'entries', file), 'utf8'),
+    );
+    assert.equal(`${raw.id}.json`, file);
+  }
+});
+
+test('every switchable entry owns a permanent share token', () => {
+  const ledger = readLibraryLedger(LIBRARY_LEDGER);
+  assert.deepEqual(ledger.errors, []);
+  for (const entry of LIBRARY_ENTRIES.filter(({ kind }) => kind !== 'pack'))
+    assert.ok(ledger.tokenById.has(entry.id), `${entry.id} has no token`);
+  // Packs are switched by their host, never by a share link.
+  for (const entry of LIBRARY_ENTRIES.filter(({ kind }) => kind === 'pack'))
+    assert.equal(ledger.tokenById.has(entry.id), false, entry.id);
+});
+
+test('nothing in the library is bundled: every source is a live https upstream', () => {
+  for (const entry of LIBRARY_ENTRIES) {
+    assert.match(entry.source.url, /^https:\/\//, entry.id);
+    assert.ok(entry.licence.name && entry.licence.url, entry.id);
+    assert.ok(entry.attribution.text, entry.id);
+  }
+});