From a9f15a7552264117f538ebc0a74cf688a51a0390 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?LeoYuan=20=E8=A2=81=E5=8A=9B=E7=9A=93?=
 <yuanlihao1988@gmail.com>
Date: Tue, 9 Aug 2022 20:02:04 +0800
Subject: [PATCH] test: add some test cases

---
 .../src/document/node/node-children.ts        |  3 ++
 .../tests/document/node/node-children.test.ts | 36 +++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/packages/designer/src/document/node/node-children.ts b/packages/designer/src/document/node/node-children.ts
index 244517780..728df7cb8 100644
--- a/packages/designer/src/document/node/node-children.ts
+++ b/packages/designer/src/document/node/node-children.ts
@@ -161,6 +161,7 @@ export class NodeChildren {
       }
     }
     const { document } = node;
+    /* istanbul ignore next */
     if (globalContext.has('editor')) {
       globalContext.get('editor').emit('node.remove', { node, index: i });
     }
@@ -197,6 +198,7 @@ export class NodeChildren {
     const i = children.indexOf(node);
 
     if (node.parent) {
+      /* istanbul ignore next */
       globalContext.has('editor') &&
         globalContext.get('editor').emit('node.remove.topLevel', {
           node,
@@ -229,6 +231,7 @@ export class NodeChildren {
       node,
     });
     this.emitter.emit('insert', node);
+    /* istanbul ignore next */
     if (globalContext.has('editor')) {
       globalContext.get('editor').emit('node.add', { node });
     }
diff --git a/packages/designer/tests/document/node/node-children.test.ts b/packages/designer/tests/document/node/node-children.test.ts
index 8776f3bdd..c48c9e708 100644
--- a/packages/designer/tests/document/node/node-children.test.ts
+++ b/packages/designer/tests/document/node/node-children.test.ts
@@ -48,6 +48,42 @@ describe('NodeChildren 方法测试', () => {
     expect(children.export().length).toBe(2);
   });
 
+  it('export - Leaf', () => {
+    const firstBtn = doc.getNode('node_k1ow3cbn')!;
+    firstBtn.parent!.insertAfter({ componentName: 'Leaf', children: 'haha' });
+    const { children } = firstBtn.parent!;
+
+    expect(children.export().length).toBe(3);
+    expect(children.export()[2]).toBe('haha');
+  });
+
+  it('import', () => {
+    const firstBtn = doc.getNode('node_k1ow3cbn')!;
+    const { children } = firstBtn.parent!;
+
+    children.import(children.export());
+
+    expect(children.export().length).toBe(2);
+  });
+
+  it('delete', () => {
+    const firstBtn = doc.getNode('node_k1ow3cbn')!;
+    const leafNode = doc.createNode({ componentName: 'Leaf', children: 'haha' });
+    firstBtn.parent!.insertAfter(leafNode);
+    const { children } = firstBtn.parent!;
+
+    children.delete(leafNode);
+    expect(children.export().length).toBe(2);
+  });
+
+  it('delete - 插入已有的节点', () => {
+    const firstBtn = doc.getNode('node_k1ow3cbn')!;
+    firstBtn.parent!.insertBefore(firstBtn, firstBtn);
+    const { children } = firstBtn.parent!;
+
+    expect(children.export().length).toBe(2);
+  });
+
   it('purge / for of', () => {
     const firstBtn = doc.getNode('node_k1ow3cbn')!;
     const { children } = firstBtn.parent!;