Merge branch 'master' of https://github.com/ldqk/Masuit.Tools

Test/Masuit.Tools.Abstractions.Test/Tree/TreeTest.cs

@@ -12,7 +12,7 @@ public class TreeTest
     public void Can_BuildTree()
     {
         // arrange
-        var list = new List<MyClass>()
+        List<MyClass> list = new()
         {
             new MyClass
             {
@@ -25,38 +25,38 @@ public class TreeTest
                 Id = 20000
             }
         };
-        for (int i = 2; i < 1500; i++)
+        for(int i = 2 ; i < 1500 ; i++)
         {
             list.Add(new MyClass
             {
                 Name = $"这是第{i}个子节点",
                 Id = i,
-                ParentId = (i - 1)
+                ParentId = i - 1
             });
         }
 
-        for (int i = 20001; i < 40000; i++)
+        for(int i = 20001 ; i < 40000 ; i++)
         {
             list.Add(new MyClass
             {
                 Name = $"这是第{i}个子节点",
                 Id = i,
-                ParentId = (i - 1)
+                ParentId = i - 1
             });
         }
 
         // act
-        var tree = list.ToTree();
+        List<MyClass> tree = list.ToTree();
 
         // assert
         Assert.Equal(tree[0].Children.FirstOrDefault().Children.FirstOrDefault().Children.FirstOrDefault().Children.FirstOrDefault().Children.FirstOrDefault().Children.FirstOrDefault().Children.FirstOrDefault().Id, 8);
         Assert.Equal(tree.Count, 2);
         Assert.Equal(tree[0].AllChildren().Count, 1498);
-        var a = tree.Filter(c => c.Id == 39999).ToList();
+        List<MyClass> a = tree.Filter(c => c.Id == 39999).ToList();
         Assert.Equal(a[0].Id, 39999);
-        var raw = tree.Flatten().ToList();
+        List<MyClass> raw = tree.Flatten().ToList();
         Assert.Equal(raw.Count, list.Count);
-        var allParent = a[0].AllParent();
+        List<MyClass> allParent = a[0].AllParent();
         Assert.Equal(allParent[0].AllChildren().Count, 19999);
         Assert.Equal(a[0].Root(), list[1]);
         Assert.StartsWith("Root", a[0].Path());
@@ -67,7 +67,7 @@ public class TreeTest
     public void Can_BuildTree2()
     {
         // arrange
-        var list = new List<MyClass2>()
+        List<MyClass2> list = new()
         {
             new MyClass2
             {
@@ -80,7 +80,7 @@ public class TreeTest
                 Id = "20000"
             }
         };
-        for (int i = 2; i < 1500; i++)
+        for(int i = 2 ; i < 1500 ; i++)
         {
             list.Add(new MyClass2
             {
@@ -90,7 +90,7 @@ public class TreeTest
             });
         }
 
-        for (int i = 20001; i < 40000; i++)
+        for(int i = 20001 ; i < 40000 ; i++)
         {
             list.Add(new MyClass2
             {
@@ -101,22 +101,70 @@ public class TreeTest
         }
 
         // act
-        var tree = list.ToTree();
+        List<MyClass2> tree = list.ToTree();
 
         // assert
         Assert.Equal(tree[0].Children.FirstOrDefault().Children.FirstOrDefault().Children.FirstOrDefault().Children.FirstOrDefault().Children.FirstOrDefault().Children.FirstOrDefault().Children.FirstOrDefault().Id, "8");
         Assert.Equal(tree.Count, 2);
         Assert.Equal(tree[0].AllChildren().Count, 1498);
-        var a = tree.Filter(c => c.Id == "39999").ToList();
+        List<MyClass2> a = tree.Filter(c => c.Id == "39999").ToList();
         Assert.Equal(a[0].Id, "39999");
-        var raw = tree.Flatten().ToList();
+        List<MyClass2> raw = tree.Flatten().ToList();
         Assert.Equal(raw.Count, list.Count);
-        var allParent = a[0].AllParent();
+        List<MyClass2> allParent = a[0].AllParent();
         Assert.Equal(allParent[0].AllChildren().Count, 19999);
         Assert.Equal(a[0].Root(), list[1]);
         Assert.StartsWith("Root", a[0].Path());
         Assert.Equal(a[0].Level(), 20000);
     }
+
+    [Fact]
+    public void Can_BuildTree3()
+    {
+        // 0-1-3
+        //    -4-5
+        //  -2
+        MyClass3 tree0 = new()
+        {
+            Id = 0,
+            ParentId = -1,
+        };
+        MyClass3 tree1 = new()
+        {
+            Id = 1,
+            ParentId = 0,
+        };
+        MyClass3 tree2 = new()
+        {
+            Id = 2,
+            ParentId = 0,
+        };
+        MyClass3 tree3 = new()
+        {
+            Id = 3,
+            ParentId = 1,
+        };
+        MyClass3 tree4 = new()
+        {
+            Id = 4,
+            ParentId = 1,
+        };
+        MyClass3 tree5 = new()
+        {
+            Id = 5,
+            ParentId = 4,
+        };
+
+        // 准备数据
+        List<MyClass3> list = new() { tree0, tree1, tree2, tree3, tree4, tree5 };
+
+        // 执行
+        List<Tree<MyClass3>> nodes = list.ToTreeGeneral(c => c.Id, c => c.ParentId, -1);
+
+        //验证
+        Assert.NotNull(nodes);
+        Assert.Equal(5, nodes.Flatten().Count());  // 错误，返回的节点数为 2
+    }
 }
 
 internal class MyClass : ITree<MyClass>, ITreeEntity<MyClass, int>
@@ -173,4 +221,11 @@ internal class MyClass2 : ITree<MyClass2>, ITreeEntity<MyClass2>
     /// 父级id
     /// </summary>
     public string ParentId { get; set; }
+}
+
+internal class MyClass3
+{
+    public long Id { get; set; }
+
+    public long ParentId { get; set; }
 }