test: create prepare

Signed-off-by: Otavio Santana <otaviopolianasantana@gmail.com>

jnosql-communication/jnosql-communication-semistructured/src/test/java/org/eclipse/jnosql/communication/semistructured/DatabaseManagerTest.java

@@ -13,6 +13,7 @@
 
 import jakarta.data.page.CursoredPage;
 import jakarta.data.page.PageRequest;
+import org.assertj.core.api.Assertions;
 import org.eclipse.jnosql.communication.Condition;
 import org.eclipse.jnosql.communication.TypeReference;
 import org.junit.jupiter.api.Test;
@@ -430,6 +431,56 @@ void shouldReturnErrorSortSizeDifferentFromOrderSizeAfterKey() {
                 PageRequest.ofSize(10).afterKey("Ada", 20)));
     }
 
+    @Test
+    void shouldCount(){
+        SelectQuery query = SelectQuery.select().from("person").build();
+        Mockito.when(databaseManager.select(query)).thenReturn(stream());
+
+        long count = databaseManager.count(query);
+        Assertions.assertThat(count).isNotZero().isEqualTo(2L);
+    }
+
+    @Test
+    void shouldReturnZeroWhenCountIsEmpty(){
+        SelectQuery query = SelectQuery.select().from("person").build();
+        Mockito.when(databaseManager.select(query)).thenReturn(Stream.empty());
+        long count = databaseManager.count(query);
+        Assertions.assertThat(count).isZero();
+    }
+
+    @Test
+    void shouldExists(){
+        SelectQuery query = SelectQuery.select().from("person").build();
+        Mockito.when(databaseManager.select(query)).thenReturn(stream());
+
+        boolean exists = databaseManager.exists(query);
+        Assertions.assertThat(exists).isTrue();
+    }
+
+    @Test
+    void shouldNotExists(){
+        SelectQuery query = SelectQuery.select().from("person").build();
+        Mockito.when(databaseManager.select(query)).thenReturn(Stream.empty());
+
+        boolean exists = databaseManager.exists(query);
+        Assertions.assertThat(exists).isFalse();
+    }
+
+    @Test
+    void shouldQuery(){
+        SelectQuery query = SelectQuery.select().from("person").build();
+        Mockito.when(databaseManager.select(query)).thenReturn(stream());
+
+        Stream<CommunicationEntity> entities = databaseManager.query("select * from person");
+        Assertions.assertThat(entities).hasSize(2);
+    }
+
+    @Test
+    void shouldPrepare(){
+        var prepare = databaseManager.prepare("select * from person where name = @name");
+        Assertions.assertThat(prepare).isNotNull();
+    }
+
 
     private Stream<CommunicationEntity> stream() {
         var entity = CommunicationEntity.of("name");