Release v2.18.0: template default content

test/fonts-routes.test.js

@@ -185,6 +185,43 @@ test('fonts route sorts by format and status', async () => {
   }
 });
 
+test('template default font references mark fonts in use and block deletion', async () => {
+  const originals = {
+    loadFontLibrary: fontLibrary.loadFontLibrary,
+    deleteFontFile: fontLibrary.deleteFontFile
+  };
+  const { app, handlers } = createHandlers();
+  const font = { id: 'alpha.woff2', family: 'Alpha Sans', name: 'Alpha Sans', fileName: 'alpha.woff2', format: 'woff2', enabled: true };
+  let deleteCount = 0;
+  fontLibrary.loadFontLibrary = function () { return { fonts: [font], stylesheetHref: '' }; };
+  fontLibrary.deleteFontFile = async function () { deleteCount += 1; return font; };
+  registerFontRoutes(app, {
+    pool: {
+      async query(sql) {
+        if (sql.includes('FROM c_template_regions')) return [[{ match_count: 1 }]];
+        return [[{ match_count: 0 }]];
+      }
+    },
+    pages: { renderFontsPage(data) { return JSON.stringify(data); } },
+    upload: { single() { return function (_req, _res, next) { next(); }; } },
+    uploadDir: 'unused',
+    backgroundTaskQueue: null
+  });
+
+  try {
+    const response = { body: '', send(value) { this.body = value; return this; }, redirect(value) { this.location = value; return this; } };
+    const req = { query: {}, currentUser: { permissions: ['fonts.read', 'fonts.delete'] }, params: { id: font.id } };
+    await handlers['GET /settings/fonts'][1](req, response, error => { throw error; });
+    assert.equal(JSON.parse(response.body).fonts[0].inUse, true);
+    await handlers['POST /settings/fonts/:id/delete'].at(-1)(req, response, error => { throw error; });
+    assert.match(decodeURIComponent(response.location), /font is still used by slides or template defaults/);
+    assert.equal(deleteCount, 0);
+  } finally {
+    fontLibrary.loadFontLibrary = originals.loadFontLibrary;
+    fontLibrary.deleteFontFile = originals.deleteFontFile;
+  }
+});
+
 test('fonts page renders the upload card above the table card', () => {
   const html = renderFontsPage({
     fonts: [