feat: add count query tests for Neo4JQueryBuilder

Implemented unit tests for building count queries
with and without conditions in Neo4JQueryBuilder,
ensuring correct Cypher query generation and parameter
binding for the SelectQuery interface.

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

Author: dearrudam

jnosql-neo4j/src/test/java/org/eclipse/jnosql/databases/neo4j/communication/Neo4JQueryBuilderTest.java

@@ -92,6 +92,40 @@ void shouldBuildSelectQueryWithoutCondition() {
         assertThat(cypher).isEqualTo("MATCH (e:Person) RETURN e.name, e.age");
     }
 
+    @Test
+    void shouldBuildCountQueryWithCondition() {
+        SelectQuery query = mock(SelectQuery.class);
+        when(query.name()).thenReturn("Person");
+
+        CriteriaCondition condition = mock(CriteriaCondition.class);
+        Element element = mock(Element.class);
+        when(condition.element()).thenReturn(element);
+        when(element.name()).thenReturn("age");
+        when(element.get()).thenReturn(30);
+        when(condition.condition()).thenReturn(org.eclipse.jnosql.communication.Condition.EQUALS);
+        when(query.condition()).thenReturn(java.util.Optional.of(condition));
+        when(query.columns()).thenReturn(List.of());
+
+        Map<String, Object> parameters = new HashMap<>();
+        String cypher = Neo4JQueryBuilder.INSTANCE.buildQuery(query, parameters);
+
+        assertThat(cypher).isEqualTo("MATCH (e:Person) WHERE e.age = $age RETURN COUNT(e)");
+        assertThat(parameters).containsEntry("age", 30);
+    }
+
+    @Test
+    void shouldBuildCountQueryWithoutCondition() {
+        SelectQuery query = mock(SelectQuery.class);
+        when(query.name()).thenReturn("Person");
+        when(query.condition()).thenReturn(java.util.Optional.empty());
+        when(query.columns()).thenReturn(List.of());
+
+        Map<String, Object> parameters = new HashMap<>();
+        String cypher = Neo4JQueryBuilder.INSTANCE.buildQuery(query, parameters);
+
+        assertThat(cypher).isEqualTo("MATCH (e:Person) RETURN COUNT(e)");
+    }
+
     @Test
     void shouldTranslateIdToElementId() {
         SelectQuery query = mock(SelectQuery.class);