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Make EventNode#toString return a graph of the current node state

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Signed-off-by: TheMode <themode@outlook.fr>
This commit is contained in:
TheMode 2022-02-02 15:41:11 +01:00
parent 070a45cb97
commit a2b1148343
2 changed files with 95 additions and 0 deletions
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40
src/main/java/net/minestom/server/event/EventNodeImpl.java
View File

@ -218,6 +218,46 @@ non-sealed class EventNodeImpl<T extends Event> implements EventNode<T> {
return parent;
}
@Override
public String toString() {
return createStringGraph(createGraph());
}
Graph createGraph() {
synchronized (GLOBAL_CHILD_LOCK) {
List<Graph> children = this.children.stream().map(EventNodeImpl::createGraph).toList();
return new Graph(getName(), getEventType().getSimpleName(), getPriority(), children);
}
}
static String createStringGraph(Graph graph) {
StringBuilder buffer = new StringBuilder();
genToStringTree(buffer, "", "", graph);
return buffer.toString();
}
private static void genToStringTree(StringBuilder buffer, String prefix, String childrenPrefix, Graph graph) {
buffer.append(prefix);
buffer.append(String.format("%s - EventType: %s - Priority: %d", graph.name(), graph.eventType(), graph.priority()));
buffer.append('\n');
var nextNodes = graph.children();
for (Iterator<? extends @NotNull Graph> iterator = nextNodes.iterator(); iterator.hasNext(); ) {
Graph next = iterator.next();
if (iterator.hasNext()) {
genToStringTree(buffer, childrenPrefix + '\u251C' + '\u2500' + " ", childrenPrefix + '\u2502' + " ", next);
} else {
genToStringTree(buffer, childrenPrefix + '\u2514' + '\u2500' + " ", childrenPrefix + " ", next);
}
}
}
record Graph(String name, String eventType, int priority,
List<Graph> children) {
public Graph {
children = children.stream().sorted(Comparator.comparingInt(Graph::priority)).toList();
}
}
private void invalidateEventsFor(EventNodeImpl<? super T> node) {
for (Class<? extends T> eventType : listenerMap.keySet()) {
node.invalidateEvent(eventType);

55
src/test/java/net/minestom/server/event/EventNodeGraphTest.java Normal file
View File

@ -0,0 +1,55 @@
package net.minestom.server.event;
import org.junit.jupiter.api.Test;
import java.util.List;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class EventNodeGraphTest {
@Test
public void single() {
EventNode<Event> node = EventNode.all("main");
verifyGraph(node, new EventNodeImpl.Graph("main", "Event", 0, List.of()));
}
@Test
public void singleChild() {
EventNode<Event> node = EventNode.all("main");
node.addChild(EventNode.all("child"));
verifyGraph(node, new EventNodeImpl.Graph("main", "Event", 0,
List.of(new EventNodeImpl.Graph("child", "Event", 0, List.of())
)));
}
@Test
public void childrenPriority() {
{
EventNode<Event> node = EventNode.all("main");
node.addChild(EventNode.all("child1").setPriority(5));
node.addChild(EventNode.all("child2").setPriority(10));
verifyGraph(node, new EventNodeImpl.Graph("main", "Event", 0,
List.of(new EventNodeImpl.Graph("child1", "Event", 5, List.of()),
new EventNodeImpl.Graph("child2", "Event", 10, List.of())
)));
}
{
EventNode<Event> node = EventNode.all("main");
node.addChild(EventNode.all("child2").setPriority(10));
node.addChild(EventNode.all("child1").setPriority(5));
verifyGraph(node, new EventNodeImpl.Graph("main", "Event", 0,
List.of(new EventNodeImpl.Graph("child1", "Event", 5, List.of()),
new EventNodeImpl.Graph("child2", "Event", 10, List.of())
)));
}
}
void verifyGraph(EventNode<?> n, EventNodeImpl.Graph graph) {
EventNodeImpl<?> node = (EventNodeImpl<?>) n;
var nodeGraph = node.createGraph();
assertEquals(graph, nodeGraph, "Graphs are not equals");
assertEquals(EventNodeImpl.createStringGraph(graph), EventNodeImpl.createStringGraph(nodeGraph), "String graphs are not equals");
assertEquals(n.toString(), EventNodeImpl.createStringGraph(nodeGraph), "The node does not use createStringGraph");
}
}