backend/src/main/java/org/raddatz/familienarchiv/service/PersonService.java

@@ -24,10 +24,13 @@ public class PersonService {
     private final PersonRepository personRepository;
 
     public List<PersonSummaryDTO> findAll(String q) {
-        if (q != null && !q.isBlank()) {
-            return personRepository.searchWithDocumentCount(q);
+        if (q == null) {
+            return personRepository.findAllWithDocumentCount();
         }
-        return personRepository.findAllWithDocumentCount();
+        if (q.isBlank()) {
+            return List.of();
+        }
+        return personRepository.searchWithDocumentCount(q.trim());
     }
 
     public Person getById(UUID id) {

backend/src/test/java/org/raddatz/familienarchiv/service/PersonServiceTest.java

@@ -62,12 +62,9 @@ class PersonServiceTest {
     }
 
     @Test
-    void findAll_returnsAll_whenQueryIsBlank() {
-        List<PersonSummaryDTO> expected = List.of();
-        when(personRepository.findAllWithDocumentCount()).thenReturn(expected);
-
-        assertThat(personService.findAll("   ")).isEqualTo(expected);
-        verify(personRepository).findAllWithDocumentCount();
+    void findAll_returnsEmpty_whenQueryIsWhitespaceOnly() {
+        assertThat(personService.findAll("   ")).isEmpty();
+        verify(personRepository, never()).findAllWithDocumentCount();
         verify(personRepository, never()).searchWithDocumentCount(any());
     }