Fixed issue where querying empty collection returns an empty book record

internal/apitest/get_collection_test.go

@@ -25,10 +25,18 @@ func TestGetCollection_Limit(t *testing.T) {
 }
 
 func TestGetCollection_Unauthorized(t *testing.T) {
-	status, _ := testGetCollection(t, "4", "10", "0")
+	status, _ := testGetCollection(t, "3", "10", "0")
 	assert.Equal(t, http.StatusUnauthorized, status)
 }
 
+func TestGetCollection_Empty(t *testing.T) {
+	status, collection := testGetCollection(t, "4", "10", "0")
+	assert.Equal(t, http.StatusOK, status)
+	assert.Equal(t, "Empty", collection.Name)
+	assert.Equal(t, 0, len(collection.Books))
+	assert.Equal(t, int64(0), collection.Count)
+}
+
 func testGetCollection(t *testing.T, id string, limit string, offset string) (int, dto.CollectionGet) {
 	return testutils.TestFetchModel[dto.CollectionGet](t, "/ws/collection/"+id, limit, offset)
 }