Tree add 类型校验

hutool-core/src/test/java/cn/hutool/core/lang/tree/Issues2538Test.java

@@ -0,0 +1,91 @@
+package cn.hutool.core.lang.tree;
+
+import org.junit.Assert;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class Issues2538Test {
+
+	@org.junit.Test
+	public void issues2538Test() {
+		Test test1 = new Test();
+		test1.setId(1);
+		test1.setParentId(0);
+		test1.setName("1");
+		Test test2 = new Test();
+		test2.setId(2);
+		test2.setParentId(1);
+		test2.setName("1");
+
+		List<Test> list = new ArrayList<>();
+
+		list.add(test1);
+		list.add(test2);
+		// 配置
+		TreeNodeConfig treeNodeConfig = new TreeNodeConfig();
+		// 自定义属性名 都要默认值的
+		treeNodeConfig.setIdKey("id");
+		treeNodeConfig.setDeep(Integer.MAX_VALUE);
+		treeNodeConfig.setParentIdKey("parentId");
+
+		// 转换器
+		List<Tree<Object>> treeNodes = TreeUtil.build(list, 0L,
+				treeNodeConfig,
+				(treeNode, tree) -> {
+					tree.setId(treeNode.getId());
+					tree.setParentId(treeNode.getParentId());
+					tree.setName(treeNode.getName());
+					tree.setWeight(null);
+				});
+
+		Assert.assertNotNull(treeNodes);
+
+		try {
+			// 转换器
+			treeNodes = TreeUtil.build(list, "0",
+					treeNodeConfig,
+					(treeNode, tree) -> {
+						tree.setId(treeNode.getId());
+						tree.setParentId(treeNode.getParentId());
+						tree.setName(treeNode.getName());
+						tree.setWeight(null);
+					});
+		}catch (Exception e) {
+			Assert.assertEquals(e.getClass(), IllegalArgumentException.class);
+		}
+	}
+
+	public static class Test {
+
+		private long id;
+
+		private long parentId;
+
+		private String name;
+
+		public long getId() {
+			return id;
+		}
+
+		public void setId(long id) {
+			this.id = id;
+		}
+
+		public long getParentId() {
+			return parentId;
+		}
+
+		public void setParentId(long parentId) {
+			this.parentId = parentId;
+		}
+
+		public String getName() {
+			return name;
+		}
+
+		public void setName(String name) {
+			this.name = name;
+		}
+	}
+}