Add some event node query tests

Signed-off-by: TheMode <themode@outlook.fr>

src/main/java/net/minestom/server/event/EventNodeImpl.java

@@ -81,7 +81,7 @@ non-sealed class EventNodeImpl<T extends Event> implements EventNode<T> {
                 if (equals(child, name, eventType)) {
                     removeChild(child);
                     addChild(eventNode);
-                    continue;
+                    break;
                 }
                 child.replaceChildren(name, eventType, eventNode);
             }

src/test/java/net/minestom/server/event/EventNodeQueryTest.java

@@ -0,0 +1,84 @@
+package net.minestom.server.event;
+
+import net.minestom.server.event.trait.EntityEvent;
+import net.minestom.server.event.trait.PlayerEvent;
+import org.junit.jupiter.api.Test;
+
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class EventNodeQueryTest {
+
+    @Test
+    public void find() {
+        var node = EventNode.all("main");
+        assertEquals(List.of(), node.findChildren("test"));
+
+        var child1 = EventNode.all("test");
+        var child2 = EventNode.all("test");
+        var child3 = EventNode.all("test3");
+
+        node.addChild(child1);
+        node.addChild(child2);
+        node.addChild(child3);
+
+        assertEquals(List.of(child1, child2), node.findChildren("test"));
+        assertEquals(List.of(child3), node.findChildren("test3"));
+
+        node.removeChild(child1);
+        assertEquals(List.of(child2), node.findChildren("test"));
+        assertEquals(List.of(child3), node.findChildren("test3"));
+    }
+
+    @Test
+    public void findType() {
+        var node = EventNode.all("main");
+        assertEquals(List.of(), node.findChildren("test", Event.class));
+
+        var child1 = EventNode.type("test", EventFilter.PLAYER);
+        var child2 = EventNode.type("test", EventFilter.ENTITY);
+        var child3 = EventNode.type("test3", EventFilter.ENTITY);
+
+        node.addChild(child1);
+        node.addChild(child2);
+        node.addChild(child3);
+
+        assertEquals(List.of(child1, child2), node.findChildren("test", Event.class));
+        assertEquals(List.of(child1, child2), node.findChildren("test", EntityEvent.class));
+        assertEquals(List.of(child1), node.findChildren("test", PlayerEvent.class));
+        assertEquals(List.of(child3), node.findChildren("test3", EntityEvent.class));
+
+        node.removeChild(child1);
+        assertEquals(List.of(child2), node.findChildren("test", Event.class));
+        assertEquals(List.of(child2), node.findChildren("test", EntityEvent.class));
+        assertEquals(List.of(), node.findChildren("test", PlayerEvent.class));
+        assertEquals(List.of(child3), node.findChildren("test3", EntityEvent.class));
+    }
+
+    @Test
+    public void replace() {
+        var node = EventNode.all("main");
+
+        var child1 = EventNode.all("test");
+        var child2 = EventNode.all("test");
+        var child3 = EventNode.all("test3");
+
+        node.addChild(child1);
+        node.addChild(child2);
+        node.addChild(child3);
+
+        var tmp1 = EventNode.all("tmp1");
+        var tmp2 = EventNode.all("tmp2");
+
+        node.replaceChildren("test", tmp1);
+        assertEquals(List.of(child2), node.findChildren("test"));
+        assertEquals(List.of(tmp1), node.findChildren("tmp1"));
+
+        node.replaceChildren("test3", tmp2);
+        assertEquals(List.of(child2), node.findChildren("test"));
+        assertEquals(List.of(tmp1), node.findChildren("tmp1"));
+        assertEquals(List.of(), node.findChildren("test3"));
+        assertEquals(List.of(tmp2), node.findChildren("tmp2"));
+    }
+}