diff --git a/src/fragmentarium/domain/archaeology.test.ts b/src/fragmentarium/domain/archaeology.test.ts
new file mode 100644
index 000000000..cf69596c2
--- /dev/null
+++ b/src/fragmentarium/domain/archaeology.test.ts
@@ -0,0 +1,28 @@
+import { archaeologyFactory } from 'test-support/fragment-fixtures'
+import { SiteKey, createArchaeology, toArchaeologyDto } from './archaeology'
+import MuseumNumber, { museumNumberToString } from './MuseumNumber'
+
+const excavationNumber: MuseumNumber = {
+  prefix: 'A',
+  number: '38',
+  suffix: '',
+}
+const archaeology = archaeologyFactory.build({
+  excavationNumber: museumNumberToString(excavationNumber),
+})
+
+test('toArchaeologyDto', () => {
+  expect(toArchaeologyDto(archaeology)).toEqual({
+    ...archaeology,
+    site: archaeology.site?.name,
+  })
+})
+test('createArchaeology', () => {
+  expect(
+    createArchaeology({
+      ...archaeology,
+      excavationNumber: excavationNumber,
+      site: (archaeology.site?.name || '') as SiteKey,
+    })
+  ).toEqual(archaeology)
+})