diff --git a/server/themePack.test.js b/server/themePack.test.js
new file mode 100644
index 0000000..a85a33a
--- /dev/null
+++ b/server/themePack.test.js
@@ -0,0 +1,11 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { themePackSpec } from './themePack.js'
+
+test('theme pack spec is reusable and content-independent', () => {
+  assert.equal(themePackSpec.format, 'template-studio-theme')
+  assert.equal(themePackSpec.version, 1)
+  assert.equal(themePackSpec.appliesTo, 'report')
+  assert.ok(themePackSpec.theme)
+  assert.ok(Array.isArray(themePackSpec.assets))
+})