feat: add count test with SelectQuery

Implemented a test to verify the count functionality
using SelectQuery, ensuring correct behavior and
handling of null queries.

Signed-off-by: Maximillian Arruda <[email protected]>

Author: dearrudam

jnosql-neo4j/src/test/java/org/eclipse/jnosql/databases/neo4j/communication/Neo4JDatabaseManagerTest.java

@@ -22,6 +22,7 @@
 import org.eclipse.jnosql.communication.semistructured.CriteriaCondition;
 import org.eclipse.jnosql.communication.semistructured.Element;
 import org.eclipse.jnosql.communication.semistructured.Elements;
+import org.eclipse.jnosql.communication.semistructured.SelectQuery;
 import org.eclipse.jnosql.mapping.semistructured.MappingQuery;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
@@ -83,6 +84,24 @@ void shouldCount() {
         assertTrue(count > 0);
     }
 
+    @Test
+    void shouldCountWithSelectQuery() {
+        for (int index = 0; index < 10; index++) {
+            var entity = getEntity();
+            entity.add("index", index);
+            entityManager.insert(entity);
+        }
+        var index = 4;
+        var query = select().from(COLLECTION_NAME).where("index").gt(index).build();
+        SoftAssertions.assertSoftly(softly -> {
+            softly.assertThat(entityManager.count(query)).isEqualTo(5);
+
+            softly.assertThatThrownBy(() -> entityManager.count((SelectQuery) null))
+                    .as("Should not accept null SelectQuery")
+                    .isInstanceOf(NullPointerException.class);
+        });
+    }
+
     @Test
     void shouldUpdate() {
         var entity = getEntity();