@cainiaofe/cn-ui-m/es/components/cn-cascader-select-v2/utils/multi-select/__tests__/update-parent-node-state.test.js

## 在线文档

import { updateParentNodeState } from '../update-parent-node-state';
describe('updateParentNodeState', function () {
    test('should update parent node state correctly when all children are checked', function () {
        var node = {
            label: 'Node 1',
            value: 'Node 1',
            children: [
                { label: 'Child 1', value: 'Child 1', checked: true, disabled: false },
                { label: 'Child 2', value: 'Child 2', checked: true, disabled: false },
                { label: 'Child 3', value: 'Child 3', checked: true, disabled: false },
            ],
        };
        updateParentNodeState(node);
        expect(node.checked).toBe(true);
        expect(node.indeterminate).toBe(false);
    });
    test('should update parent node state correctly when some children are checked', function () {
        var node = {
            label: 'Node 1',
            value: 'Node 1',
            children: [
                { label: 'Child 1', value: 'Child 1', checked: true, disabled: false },
                { label: 'Child 2', value: 'Child 2', checked: false, disabled: false },
                { label: 'Child 3', value: 'Child 3', checked: true, disabled: false },
            ],
        };
        updateParentNodeState(node);
        expect(node.checked).toBe(false);
        expect(node.indeterminate).toBe(true);
    });
    test('should update parent node state correctly when no children are checked', function () {
        var node = {
            label: 'Node 1',
            value: 'Node 1',
            children: [
                { label: 'Child 1', value: 'Child 1', checked: false, disabled: false },
                { label: 'Child 2', value: 'Child 2', checked: false, disabled: false },
                { label: 'Child 3', value: 'Child 3', checked: false, disabled: false },
            ],
        };
        updateParentNodeState(node);
        expect(node.checked).toBe(false);
        expect(node.indeterminate).toBe(false);
    });
    test('should update parent node state when some children are disabled and other children are checked', function () {
        var node = {
            label: 'Node 1',
            value: 'Node 1',
            children: [
                { label: 'Child 1', value: 'Child 1', checked: false, disabled: true },
                { label: 'Child 2', value: 'Child 2', checked: true, disabled: false },
                { label: 'Child 3', value: 'Child 3', checked: true, disabled: false },
            ],
        };
        updateParentNodeState(node);
        expect(node.checked).toBe(true);
        expect(node.indeterminate).toBe(false);
    });
});