Add test for invalid moving condition for MoveDateRelative

jollyday-core/src/test/java/de/focus_shift/jollyday/core/parser/functions/MoveDateRelativeTest.java

@@ -5,12 +5,17 @@
 
 import java.time.DayOfWeek;
 import java.time.LocalDate;
+import java.time.temporal.TemporalAdjusters;
 import java.util.List;
 import java.util.Optional;
 
 import static java.time.Month.FEBRUARY;
 import static java.time.Month.MARCH;
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
 
 class MoveDateRelativeTest {
 
@@ -91,4 +96,34 @@ public DayOfWeek weekday() {
     final Optional<LocalDate> maybeMovedDate = new MoveDateRelative(LocalDate.of(2024, 2, 28)).apply(movable);
     assertThat(maybeMovedDate).isEmpty();
   }
+
+  @Test
+  void ensureOnInvalidConditionTheMappingWillNotBeApplied() {
+
+    final Movable.MovingCondition movingCondition = new Movable.MovingCondition() {
+      @Override
+      public DayOfWeek weekday() {
+        return DayOfWeek.SUNDAY;
+      }
+
+      @Override
+      public With with() {
+        return With.NEXT;
+      }
+
+      @Override
+      public DayOfWeek substitute() {
+        return DayOfWeek.WEDNESDAY;
+      }
+    };
+
+    final Movable movable = () -> List.of(movingCondition);
+
+    final LocalDate localDate = mock(LocalDate.class);
+    when(localDate.getDayOfWeek()).thenReturn(DayOfWeek.SATURDAY);
+
+    new MoveDateRelative(localDate).apply(movable);
+    verify(localDate, never()).with(TemporalAdjusters.nextOrSame(DayOfWeek.SUNDAY));
+  }
 }
+