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fix test

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This commit is contained in:
Looly 2024-02-10 18:16:00 +08:00
parent 1fba2ca52b
commit 435359b681
1 changed files with 12 additions and 13 deletions
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25
hutool-core/src/test/java/org/dromara/hutool/core/stream/StreamUtilTest.java
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@ -17,12 +17,7 @@ import org.dromara.hutool.core.collection.set.SetUtil;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.*;
import java.util.stream.Collectors;
import java.util.stream.Stream;
@ -31,7 +26,7 @@ public class StreamUtilTest {
@Test
void testIterateHierarchies() {
// 创建一个三层的树结构，每个节点都有两个子节点
Node node = new Node("1", Arrays.asList(
final Node node = new Node("1", Arrays.asList(
new Node("1-1", Arrays.asList(
new Node("1-1-1", null),
new Node("1-1-2", null)
@ -43,20 +38,20 @@ public class StreamUtilTest {
));
// 按广度度优先遍历树结构
List<String> allNodes = new ArrayList<>();
final List<String> allNodes = new ArrayList<>();
StreamUtil.iterateHierarchies(node, node1 -> node1.children)
.forEach(node1 -> allNodes.add(node1.id));
Assertions.assertEquals(Arrays.asList("1", "1-1", "1-2", "1-1-1", "1-1-2", "1-2-1", "1-2-2"), allNodes);
// 按广度度优先遍历树结构，忽略id为1-1的节点与以其为根节点的子树
List<String> filteredNodes = new ArrayList<>();
final List<String> filteredNodes = new ArrayList<>();
StreamUtil.iterateHierarchies(node, node1 -> node1.children, node1 -> !node1.id.equals("1-1"))
.forEach(node1 -> filteredNodes.add(node1.id));
Assertions.assertEquals(Arrays.asList("1", "1-2", "1-2-1", "1-2-2"), filteredNodes);
}
@Test
public void ofTest(){
public void ofTest() {
final Stream<Integer> stream = StreamUtil.of(2, x -> x * 2, 4);
final String result = stream.collect(CollectorUtil.joining(","));
Assertions.assertEquals("2,4,8,16", result);
@ -65,7 +60,8 @@ public class StreamUtilTest {
// === iterator ===
@Test
public void streamTestNullIterator() {
Assertions.assertThrows(IllegalArgumentException.class, () -> StreamUtil.ofIter(null));
final Stream<Object> objectStream = StreamUtil.ofIter(null);
Assertions.assertEquals(0, objectStream.count());
}
@SuppressWarnings({"RedundantOperationOnEmptyContainer", "RedundantCollectionOperation"})
@ -100,11 +96,14 @@ public class StreamUtilTest {
private static class Node {
private final String id;
private List<Node> children;
private Node(String id, List<Node> children) {
private Node(final String id, final List<Node> children) {
this.id = id;
this.children = children;
}
public Node(String id) {
@SuppressWarnings("unused")
public Node(final String id) {
this.id = id;
}
}