// @ts-nocheck import { nextTick } from 'vue' import { mount } from '@vue/test-utils' import { describe, expect, test, vi } from 'vitest' import defineGetter from '@element-plus/test-utils/define-getter' import Tree from '../src/tree.vue' import type Node from '../src/model/node' const ALL_NODE_COUNT = 9 const getTreeVm = (props = '', options = {}) => { const wrapper = mount( Object.assign( { components: { 'el-tree': Tree, }, template: ` `, data() { return { currentNode: null, nodeExpended: false, defaultExpandedKeys: [], defaultCheckedKeys: [], clickedNode: null, count: 1, data: [ { id: 1, label: '一级 1', children: [ { id: 11, label: '二级 1-1', children: [ { id: 111, label: '三级 1-1', }, ], }, ], }, { id: 2, label: '一级 2', children: [ { id: 21, label: '二级 2-1', }, { id: 22, label: '二级 2-2', }, ], }, { id: 3, label: '一级 3', children: [ { id: 31, label: '二级 3-1', }, { id: 32, label: '二级 3-2', }, ], }, ], defaultProps: { children: 'children', label: 'label', }, } }, }, options ) ) return { wrapper, vm: wrapper.vm } } const getDisableTreeVm = (props = '', options = {}) => { const wrapper = mount( Object.assign( { components: { 'el-tree': Tree, }, template: ` `, data() { return { defaultExpandedKeys: [], defaultCheckedKeys: [], clickedNode: null, count: 1, data: [ { id: 1, label: '一级 1', children: [ { id: 11, label: '二级 1-1', children: [ { id: 111, label: '三级 1-1', disabled: true, }, ], }, ], }, { id: 2, label: '一级 2', children: [ { id: 21, label: '二级 2-1', }, { id: 22, label: '二级 2-2', }, ], }, { id: 3, label: '一级 3', children: [ { id: 31, label: '二级 3-1', }, { id: 32, label: '二级 3-2', }, ], }, ], defaultProps: { children: 'children', label: 'label', disabled: 'disabled', }, } }, }, options ) ) return { wrapper, vm: wrapper.vm } } describe('Tree.vue', () => { test('create', async () => { const { wrapper, vm } = getTreeVm( `:props="defaultProps" default-expand-all` ) expect(wrapper.find('.el-tree').exists()).toBeTruthy() expect(wrapper.findAll('.el-tree > .el-tree-node').length).toEqual(3) expect(wrapper.findAll('.el-tree .el-tree-node').length).toEqual( ALL_NODE_COUNT ) vm.data[1].children = [{ label: '二级 2-1' }] as any await nextTick() expect(wrapper.findAll('.el-tree .el-tree-node').length).toEqual( ALL_NODE_COUNT - 1 ) }) test('click node', async () => { const { wrapper, vm } = getTreeVm( `:props="defaultProps" @node-click="handleNodeClick"`, { methods: { handleNodeClick(data) { this.clickedNode = data }, }, } ) const firstNodeContentWrapper = wrapper.find('.el-tree-node__content') const firstNodeWrapper = wrapper.find('.el-tree-node') await firstNodeContentWrapper.trigger('click') await nextTick() // because node click method to expaned is async expect(vm.clickedNode.label).toEqual('一级 1') expect(firstNodeWrapper.classes('is-expanded')).toBe(true) expect(firstNodeWrapper.classes('is-current')).toBe(true) await firstNodeContentWrapper.trigger('click') await nextTick() // because node click method to expaned is async expect(firstNodeWrapper.classes('is-expanded')).toBe(false) expect(firstNodeWrapper.classes('is-current')).toBe(true) }) test('emptyText', async () => { const { wrapper, vm } = getTreeVm(`:props="defaultProps"`) vm.data = [] await nextTick() expect(wrapper.findAll('.el-tree__empty-block').length).toEqual(1) }) test('expandOnNodeClick', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" :expand-on-click-node="false"` ) const firstNodeContentWrapper = wrapper.find('.el-tree-node__content') const firstNodeWrapper = wrapper.find('.el-tree-node') await firstNodeContentWrapper.trigger('click') await nextTick() // because node click method to expaned is async expect(firstNodeWrapper.classes('is-expanded')).toBe(false) }) test('checkOnNodeClick', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" node-key="id" show-checkbox check-on-click-node` ) const treeWrapper = wrapper.findComponent(Tree) const firstNodeContentWrapper = wrapper.find('.el-tree-node__content') await firstNodeContentWrapper.trigger('click') expect( (treeWrapper.vm as InstanceType).getCheckedKeys() ).toEqual([1, 11, 111]) }) test('current-node-key', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" default-expand-all highlight-current node-key="id" :current-node-key="11"` ) const currentNodeLabelWrapper = wrapper.find( '.is-current .el-tree-node__label' ) expect(currentNodeLabelWrapper.text()).toEqual('二级 1-1') expect(wrapper.find('.el-tree--highlight-current').exists()).toBe(true) }) test('defaultExpandAll', async () => { const { wrapper } = getTreeVm(`:props="defaultProps" default-expand-all`) const expanedNodeWrappers = wrapper.findAll('.el-tree-node.is-expanded') expect(expanedNodeWrappers.length).toEqual(ALL_NODE_COUNT) }) test('defaultExpandedKeys', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" :default-expanded-keys="defaultExpandedKeys" node-key="id"`, { created() { this.defaultExpandedKeys = [1, 3] }, } ) const expanedNodeWrappers = wrapper.findAll('.el-tree-node.is-expanded') expect(expanedNodeWrappers.length).toEqual(2) }) test('defaultExpandedKeys set', async () => { const { wrapper, vm } = getTreeVm( `:props="defaultProps" :default-expanded-keys="defaultExpandedKeys" node-key="id"`, { created() { this.defaultExpandedKeys = [1, 3] }, } ) await nextTick() let expanedNodeWrappers = wrapper.findAll('.el-tree-node.is-expanded') expect(expanedNodeWrappers.length).toEqual(2) vm.defaultExpandedKeys = [2] await nextTick() await nextTick() vm.data = [ { id: 4, label: 'L1 4', children: [], }, ...JSON.parse(JSON.stringify(vm.data)), ] await nextTick() await nextTick() await nextTick() expanedNodeWrappers = wrapper.findAll('.el-tree-node.is-expanded') expect(expanedNodeWrappers.length).toEqual(1) }) test('filter-node-method', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" :filter-node-method="filterNode"`, { methods: { filterNode(value, data) { if (!value) return true return data.label.includes(value) }, }, } ) const treeWrapper = wrapper.findComponent(Tree) ;(treeWrapper.vm as InstanceType).filter('2-1') await nextTick() expect(treeWrapper.findAll('.el-tree-node.is-hidden').length).toEqual(3) }) test('autoExpandParent = true', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" :default-expanded-keys="defaultExpandedKeys" node-key="id"`, { created() { this.defaultExpandedKeys = [111] }, } ) expect(wrapper.findAll('.el-tree-node.is-expanded').length).toEqual(3) }) test('autoExpandParent = false', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" :default-expanded-keys="defaultExpandedKeys" node-key="id" :auto-expand-parent="false"`, { created() { this.defaultExpandedKeys = [11] }, } ) expect(wrapper.findAll('.el-tree-node.is-expanded').length).toEqual(0) const firstNodeContentWrapper = wrapper.find('.el-tree-node__content') await firstNodeContentWrapper.trigger('click') await nextTick() expect(wrapper.findAll('.el-tree-node.is-expanded').length).toEqual(2) }) test('defaultCheckedKeys & check-strictly = false', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" default-expand-all show-checkbox :default-checked-keys="defaultCheckedKeys" node-key="id"`, { created() { this.defaultCheckedKeys = [1] }, } ) expect(wrapper.findAll('.el-checkbox .is-checked').length).toEqual(3) }) test('defaultCheckedKeys & check-strictly', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" default-expand-all show-checkbox :default-checked-keys="defaultCheckedKeys" node-key="id" check-strictly`, { created() { this.defaultCheckedKeys = [1] }, } ) expect(wrapper.findAll('.el-checkbox .is-checked').length).toEqual(1) }) test('show checkbox', async () => { const { wrapper } = getTreeVm(`:props="defaultProps" show-checkbox`) const treeWrapper = wrapper.findComponent(Tree) const treeVm = treeWrapper.vm as InstanceType const seconNodeContentWrapper = treeWrapper.findAll( '.el-tree-node__content' )[1] const seconNodeCheckboxWrapper = seconNodeContentWrapper.find('.el-checkbox') const seconNodeExpandIconWrapper = seconNodeContentWrapper.find( '.el-tree-node__expand-icon' ) expect(seconNodeCheckboxWrapper.exists()).toBe(true) await seconNodeCheckboxWrapper.trigger('click') expect(treeVm.getCheckedNodes().length).toEqual(3) expect(treeVm.getCheckedNodes(true).length).toEqual(2) await seconNodeExpandIconWrapper.trigger('click') await nextTick() const secondTreeNodeWrapper = treeWrapper.findAll('.el-tree-node')[1] const secondNodefirstLeafCheckboxWrapper = secondTreeNodeWrapper.find( '.el-tree-node__children .el-tree-node__content .el-checkbox' ) await secondNodefirstLeafCheckboxWrapper.trigger('click') expect(treeVm.getCheckedNodes().length).toEqual(1) }) test('check', async () => { const handleCheckMockFunction = vi.fn() const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox @check="handleCheck"`, { methods: { handleCheck: handleCheckMockFunction, }, } ) const secondNodeContentWrapper = wrapper.findAll( '.el-tree-node__content' )[1] const secondNodeCheckboxWrapper = secondNodeContentWrapper.find('.el-checkbox') expect(secondNodeCheckboxWrapper.exists()).toBe(true) await secondNodeCheckboxWrapper.trigger('click') await nextTick() expect(handleCheckMockFunction.mock.calls.length).toBe(1) const [data, args] = handleCheckMockFunction.mock.calls[0] expect(data.id).toEqual(2) expect(args.checkedNodes.length).toEqual(3) }) test('setCheckedNodes', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const treeVm = treeWrapper.vm as InstanceType const secondNodeContentWrapper = wrapper.findAll( '.el-tree-node__content' )[1] const secondNodeCheckWrapper = secondNodeContentWrapper.find('.el-checkbox') await secondNodeCheckWrapper.trigger('click') expect(treeVm.getCheckedNodes().length).toEqual(3) expect(treeVm.getCheckedNodes(true).length).toEqual(2) treeVm.setCheckedNodes([]) expect(treeVm.getCheckedNodes().length).toEqual(0) }) test('setCheckedKeys', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCheckedKeys([111]) expect(tree.getCheckedNodes().length).toEqual(3) expect(tree.getCheckedKeys().length).toEqual(3) tree.setCheckedKeys([1]) expect(tree.getCheckedNodes().length).toEqual(3) expect(tree.getCheckedKeys().length).toEqual(3) tree.setCheckedKeys([2]) expect(tree.getCheckedNodes().length).toEqual(3) expect(tree.getCheckedKeys().length).toEqual(3) tree.setCheckedKeys([21]) expect(tree.getCheckedNodes().length).toEqual(1) expect(tree.getCheckedKeys().length).toEqual(1) }) test('setCheckedKeys with checkStrictly', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" checkStrictly show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCheckedKeys([111]) expect(tree.getCheckedNodes().length).toEqual(1) expect(tree.getCheckedKeys().length).toEqual(1) tree.setCheckedKeys([1]) expect(tree.getCheckedNodes().length).toEqual(1) expect(tree.getCheckedKeys().length).toEqual(1) tree.setCheckedKeys([2]) expect(tree.getCheckedNodes().length).toEqual(1) expect(tree.getCheckedKeys().length).toEqual(1) tree.setCheckedKeys([21, 22]) expect(tree.getCheckedNodes().length).toEqual(2) expect(tree.getCheckedKeys().length).toEqual(2) }) test('method setChecked', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setChecked(111, true, true) expect(tree.getCheckedNodes().length).toEqual(3) expect(tree.getCheckedKeys().length).toEqual(3) tree.setChecked(tree.data[0], false, true) expect(tree.getCheckedNodes().length).toEqual(0) expect(tree.getCheckedKeys().length).toEqual(0) }) 69 test('setCheckedKeys with leafOnly=false', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCheckedKeys([1, 11, 111, 2], false) expect(tree.getCheckedNodes().length).toEqual(6) expect(tree.getCheckedKeys().length).toEqual(6) }) test('setCheckedKeys with leafOnly=true', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCheckedKeys([2], true) expect(tree.getCheckedNodes().length).toEqual(2) expect(tree.getCheckedKeys().length).toEqual(2) }) test('setCurrentKey', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCurrentKey(111) expect(tree.store.currentNode.data.id).toEqual(111) tree.setCurrentKey(null) expect(tree.store.currentNode).toEqual(null) }) test('setCurrentKey should also auto expand parent', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCurrentKey(111) await nextTick() expect(wrapper.find('.is-current').exists()).toBeTruthy() tree.setCurrentKey(null) await nextTick() expect(wrapper.find('.is-current').exists()).toBeFalsy() }) test('setCurrentKey should not expand self', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCurrentKey(1) await nextTick() await nextTick() await nextTick() expect(wrapper.text()).toBe('一级 1一级 2一级 3') expect(wrapper.findAll('.is-expanded')).toHaveLength(0) tree.setCurrentKey(11) await nextTick() await nextTick() await nextTick() expect(wrapper.text()).toBe('一级 1二级 1-1一级 2一级 3') expect(wrapper.findAll('.is-expanded')).toHaveLength(1) tree.setCurrentKey(111) await nextTick() await nextTick() await nextTick() expect(wrapper.text()).toBe('一级 1二级 1-1三级 1-1一级 2一级 3') expect(wrapper.findAll('.is-expanded')).toHaveLength(2) }) test('setCurrentNode', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCurrentNode({ id: 111, label: '三级 1-1', } as Node) expect(tree.store.currentNode.data.id).toEqual(111) tree.setCurrentKey(null) expect(tree.store.currentNode).toEqual(null) }) test('setCurrentNode should also auto expand parent', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCurrentNode({ id: 111, label: '三级 1-1', } as Node) await nextTick() expect(wrapper.find('.is-current').exists()).toBeTruthy() tree.setCurrentKey(null) await nextTick() expect(wrapper.find('.is-current').exists()).toBeFalsy() }) test('setCurrentNode should not expand self', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) await nextTick() const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCurrentNode({ id: 1, label: '一级 1-1', } as Node) await nextTick() await nextTick() await nextTick() expect(wrapper.text()).toBe('一级 1一级 2一级 3') expect(wrapper.findAll('.is-expanded')).toHaveLength(0) tree.setCurrentNode({ id: 11, label: '二级 1-1', } as Node) await nextTick() await nextTick() await nextTick() expect(wrapper.text()).toBe('一级 1二级 1-1一级 2一级 3') expect(wrapper.findAll('.is-expanded')).toHaveLength(1) tree.setCurrentNode({ id: 111, label: '三级 1-1', } as Node) await nextTick() await nextTick() await nextTick() expect(wrapper.text()).toBe('一级 1二级 1-1三级 1-1一级 2一级 3') expect(wrapper.findAll('.is-expanded')).toHaveLength(2) }) test('getCurrentKey', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCurrentKey(111) expect(tree.getCurrentKey()).toEqual(111) tree.setCurrentKey(null) expect(tree.getCurrentKey()).toEqual(null) }) test('getCurrentNode', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id"` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCurrentKey(111) expect(tree.getCurrentNode().id).toEqual(111) }) test('getNode', async () => { const { wrapper } = getTreeVm(`:props="defaultProps" node-key="id"`) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType const node = tree.getNode(111) expect(node.data.id).toEqual(111) }) test('remove', async () => { const { wrapper } = getTreeVm(`:props="defaultProps" node-key="id"`) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.setCurrentKey(1) expect(tree.getCurrentNode().id).toEqual(1) tree.remove(1) expect(tree.data[0].id).toEqual(2) expect(tree.getNode(1)).toEqual(null) expect(tree.getCurrentNode()).toEqual(null) }) test('append', async () => { const { wrapper } = getTreeVm(`:props="defaultProps" node-key="id"`) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType const nodeData = { id: 88, label: '88' } tree.append(nodeData, tree.getNode(1)) expect(tree.data[0].children.length).toEqual(2) expect(tree.getNode(88).data).toEqual(nodeData) }) test('insertBefore', async () => { const { wrapper } = getTreeVm(`:props="defaultProps" node-key="id"`) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType const nodeData = { id: 88, label: '88' } tree.insertBefore(nodeData, tree.getNode(11)) expect(tree.data[0].children.length).toEqual(2) expect(tree.data[0].children[0]).toEqual(nodeData) expect(tree.getNode(88).data).toEqual(nodeData) }) test('insertAfter', async () => { const { wrapper } = getTreeVm(`:props="defaultProps" node-key="id"`) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType const nodeData = { id: 88, label: '88' } tree.insertAfter(nodeData, tree.getNode(11)) expect(tree.data[0].children.length).toEqual(2) expect(tree.data[0].children[1]).toEqual(nodeData) expect(tree.getNode(88).data).toEqual(nodeData) }) test('set disabled checkbox', async () => { const { wrapper } = getDisableTreeVm( `:props="defaultProps" show-checkbox node-key="id" default-expand-all` ) const nodeWrapper = wrapper.findAll('.el-tree-node__content')[2] const checkboxWrapper = nodeWrapper.find('.el-checkbox input') expect((checkboxWrapper.element as HTMLInputElement).disabled).toEqual(true) }) test('check strictly', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox check-strictly default-expand-all` ) const treeWrapper = wrapper.findComponent(Tree) const secondNodeContentWrapper = wrapper.findAll( '.el-tree-node__content' )[3] const secondNodeCheckboxWrapper = secondNodeContentWrapper.find('.el-checkbox') await secondNodeCheckboxWrapper.trigger('click') expect( (treeWrapper.vm as InstanceType).getCheckedNodes().length ).toEqual(1) expect( (treeWrapper.vm as InstanceType).getCheckedNodes(true).length ).toEqual(0) const secondTreeNodeWrapper = treeWrapper.findAll('.el-tree-node')[3] const secondNodefirstLeafCheckboxWrapper = secondTreeNodeWrapper.find( '.el-tree-node__children .el-tree-node__content .el-checkbox' ) await secondNodefirstLeafCheckboxWrapper.trigger('click') expect( (treeWrapper.vm as InstanceType).getCheckedNodes().length ).toEqual(2) }) test('render content', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" :render-content="renderContent"`, { methods: { renderContent(h, node) { return h('div', { class: 'custom-content' }, [ h('button', { class: 'el-button' }, [node.node.label]), ]) }, }, } ) const firstNodeWrapper = wrapper.find('.el-tree-node__content') expect(firstNodeWrapper.find('.custom-content').exists()).toBe(true) const buttonWrapper = firstNodeWrapper.find('.custom-content button') expect(buttonWrapper.exists()).toBe(true) expect(buttonWrapper.text()).toEqual('一级 1') }) test('custom-node-class', async () => { const { wrapper } = getTreeVm( `:props="{class:(data)=>{return data.id===11?'is-test':null}}" default-expand-all highlight-current node-key="id" :current-node-key="11"` ) const currentNodeLabelWrapper = wrapper.find( '.is-test .el-tree-node__label' ) expect(currentNodeLabelWrapper.text()).toEqual('二级 1-1') }) test('scoped slot', async () => { const { wrapper } = getTreeVm('', { template: ` `, methods: { renderContent(h, node) { return h('div', { class: 'custom-content' }, [ h('button', { class: 'el-button' }, [node.node.label]), ]) }, }, }) const firstNodeWrapper = wrapper.find('.custom-tree-template') expect(firstNodeWrapper.exists()).toBe(true) const spanWrapper = firstNodeWrapper.find('span') const buttonWrapper = firstNodeWrapper.find('button') expect(spanWrapper.exists()).toBe(true) expect(spanWrapper.text()).toEqual('一级 1') expect(buttonWrapper.exists()).toBe(true) }) test('load node', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" lazy :load="loadNode" show-checkbox`, { methods: { loadNode(node, resolve) { if (node.level === 0) { return resolve([{ label: 'region1' }, { label: 'region2' }]) } if (node.level > 4) return resolve([]) setTimeout(() => { resolve([ { label: `zone${this.count++}`, }, { label: `zone${this.count++}`, }, ]) }, 50) }, }, } ) let nodeWrappers = wrapper.findAll('.el-tree-node__content') expect(nodeWrappers.length).toEqual(2) vi.useFakeTimers() await nodeWrappers[0].trigger('click') vi.runAllTimers() vi.useRealTimers() await nextTick() // wait load finish nodeWrappers = wrapper.findAll('.el-tree-node__content') expect(nodeWrappers.length).toEqual(4) }) test('lazy defaultChecked', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" node-key="id" lazy :load="loadNode" show-checkbox`, { methods: { loadNode(node, resolve) { if (node.level === 0) { return resolve([ { label: 'region1', id: this.count++ }, { label: 'region2', id: this.count++ }, ]) } if (node.level > 4) return resolve([]) setTimeout(() => { resolve([ { label: `zone${this.count}`, id: this.count++, }, { label: `zone${this.count}`, id: this.count++, }, ]) }, 50) }, }, } ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType const firstNodeWrapper = treeWrapper.find('.el-tree-node__content') expect(firstNodeWrapper.find('.is-indeterminate').exists()).toEqual(false) tree.store.setCheckedKeys([3]) vi.useFakeTimers() await firstNodeWrapper.find('.el-tree-node__expand-icon').trigger('click') vi.runAllTimers() vi.useRealTimers() await nextTick() expect(firstNodeWrapper.find('.is-indeterminate').exists()).toEqual(true) const childWrapper = treeWrapper.findAll('.el-tree-node__content')[1] expect(childWrapper.find('input').element.checked).toEqual(true) }) test('lazy expandOnChecked', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" node-key="id" lazy :load="loadNode" show-checkbox check-descendants`, { methods: { loadNode(node, resolve) { if (node.level === 0) { return resolve([ { label: 'region1', id: this.count++ }, { label: 'region2', id: this.count++ }, ]) } if (node.level > 2) return resolve([]) setTimeout(() => { resolve([ { label: `zone${this.count}`, id: this.count++, }, { label: `zone${this.count}`, id: this.count++, }, ]) }, 10) }, }, } ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType vi.useFakeTimers() tree.store.setCheckedKeys([1]) vi.runAllTimers() vi.useRealTimers() await nextTick() expect(tree.getCheckedKeys().length).toEqual(7) }) test('lazy without expandOnChecked', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" node-key="id" lazy :load="loadNode" show-checkbox`, { methods: { loadNode(node, resolve) { if (node.level === 0) { return resolve([ { label: 'region1', id: this.count++ }, { label: 'region2', id: this.count++ }, ]) } if (node.level > 4) return resolve([]) setTimeout(() => { resolve([ { label: `zone${this.count}`, id: this.count++, }, { label: `zone${this.count}`, id: this.count++, }, ]) }, 50) }, }, } ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.store.setCheckedKeys([1]) await nextTick() const nodeWrappers = treeWrapper.findAll('.el-tree-node__content') expect(nodeWrappers[0].find('input').element.checked).toEqual(true) expect(nodeWrappers.length).toEqual(2) }) test('accordion', async () => { const { wrapper } = getTreeVm(`:props="defaultProps" accordion`) const firstNodeContentWrapper = wrapper.find('.el-tree-node__content') const secondNodeContentWrapper = wrapper.find( '.el-tree-node:nth-child(2) .el-tree-node__content' ) await firstNodeContentWrapper.trigger('click') expect(wrapper.find('.el-tree-node').classes('is-expanded')).toBe(true) await secondNodeContentWrapper.trigger('click') expect(wrapper.find('.el-tree-node').classes('is-expanded')).toBe(false) }) test('handleNodeOpen & handleNodeClose', async () => { const { wrapper, vm } = getTreeVm( `:props="defaultProps" lazy :load="loadNode" @node-expand="handleNodeOpen" @node-collapse="handleNodeClose"`, { methods: { loadNode(node, resolve) { if (node.level === 0) { return resolve([{ label: 'region1' }, { label: 'region2' }]) } if (node.level > 4) return resolve([]) nextTick(() => { resolve([ { label: `zone${this.count++}`, }, { label: `zone${this.count++}`, }, ]) }) }, handleNodeOpen(data) { this.currentNode = data this.nodeExpended = true }, handleNodeClose(data) { this.currentNode = data this.nodeExpended = false }, }, } ) const firstNodeContentWrapper = wrapper.find('.el-tree-node__content') const firstNodeWrapper = wrapper.find('.el-tree-node') expect(firstNodeWrapper.find('.el-tree-node__children').exists()).toBe( false ) await firstNodeContentWrapper.trigger('click') await nextTick() // first next tick for UI update await nextTick() // second next tick for triggering loadNode await nextTick() // third next tick for updating props.node.expanded expect(vm.nodeExpended).toEqual(true) expect(vm.currentNode.label).toEqual('region1') await firstNodeContentWrapper.trigger('click') await nextTick() await nextTick() await nextTick() expect(vm.nodeExpended).toEqual(false) expect(vm.currentNode.label).toEqual('region1') }) test('updateKeyChildren', async () => { const { wrapper } = getTreeVm( `:props="defaultProps" show-checkbox node-key="id" default-expand-all` ) const treeWrapper = wrapper.findComponent(Tree) const tree = treeWrapper.vm as InstanceType tree.updateKeyChildren(1, [ { id: 111, label: '三级 1-1', }, ]) await nextTick() const nodeContentWrapper = wrapper.findAll('.el-tree-node__content')[1] const nodeLabelWrapper = nodeContentWrapper.find('.el-tree-node__label') expect(tree.store.nodesMap['11']).toEqual(undefined) expect(tree.store.nodesMap['1'].childNodes[0].data.id).toEqual(111) expect(nodeLabelWrapper.text()).toEqual('三级 1-1') }) test('update multi tree data', async () => { const { wrapper, vm } = getTreeVm(``, { template: `
`, }) const nodeData = { label: '新增 1', id: 4, children: [] } vm.data.push(nodeData) vm.data = [...vm.data] await nextTick() const treeWrappers: any = wrapper.findAllComponents(Tree) expect(treeWrappers[0].vm.getNode(4).data).toEqual(nodeData) expect(treeWrappers[1].vm.getNode(4).data).toEqual(nodeData) }) test('navigate with defaultExpandAll', () => { const { wrapper } = getTreeVm(``, { template: `
`, }) const tree = wrapper.findComponent({ name: 'ElTree' }) expect( Object.values( (tree.vm as InstanceType).store.nodesMap ).filter((item) => item.canFocus).length ).toBe(9) }) test('navigate up', async () => { const { wrapper } = getTreeVm(``, { template: `
`, }) let flag = false function handleFocus() { return () => (flag = true) } await nextTick() const tree = wrapper.findComponent({ name: 'ElTree' }) const targetElement = wrapper.find('div[data-key="3"]').element const fromElement = wrapper.find('div[data-key="1"]').element defineGetter(targetElement, 'focus', handleFocus) ;(tree.vm as InstanceType).setCurrentKey(1) expect(fromElement.classList.contains('is-focusable')).toBeTruthy() fromElement.dispatchEvent( new KeyboardEvent('keydown', { code: 'ArrowUp', bubbles: true, cancelable: false, }) ) expect(flag).toBe(true) }) test('navigate down', async () => { const { wrapper } = getTreeVm(``, { template: `
`, }) let flag = false function handleFocus() { return () => (flag = true) } await nextTick() const tree = wrapper.findComponent({ name: 'ElTree' }) const targetElement = wrapper.find('div[data-key="2"]').element const fromElement = wrapper.find('div[data-key="1"]').element defineGetter(targetElement, 'focus', handleFocus) ;(tree.vm as InstanceType).setCurrentKey(1) expect(fromElement.classList.contains('is-focusable')).toBeTruthy() fromElement.dispatchEvent( new KeyboardEvent('keydown', { code: 'ArrowDown', bubbles: true, cancelable: false, }) ) expect(flag).toBe(true) }) test('navigate with disabled', async () => { const wrapper = mount({ template: `
`, components: { 'el-tree': Tree, }, data() { return { data: [ { id: 1, label: '一级 1', children: [ { id: 11, label: '二级 1-1', children: [ { id: 111, label: '三级 1-1', disabled: true, }, ], }, ], }, { id: 2, label: '一级 2', disabled: true, children: [ { id: 21, label: '二级 2-1', }, { id: 22, label: '二级 2-2', }, ], }, { id: 3, label: '一级 3', children: [ { id: 31, label: '二级 3-1', }, { id: 32, label: '二级 3-2', }, ], }, ], defaultProps: { children: 'children', label: 'label', disabled: 'disabled', }, } }, }) let flag = false function handleFocus() { return () => (flag = true) } await nextTick() const tree = wrapper.findComponent({ name: 'ElTree' }) const targetElement = wrapper.find('div[data-key="3"]').element const fromElement = wrapper.find('div[data-key="1"]').element defineGetter(targetElement, 'focus', handleFocus) ;(tree.vm as InstanceType).setCurrentKey(1) expect(fromElement.classList.contains('is-focusable')).toBeTruthy() fromElement.dispatchEvent( new KeyboardEvent('keydown', { code: 'ArrowDown', bubbles: true, cancelable: false, }) ) expect(flag).toBe(true) }) test('navigate with lazy and without node-key', async () => { const wrapper = mount({ template: `
`, components: { 'el-tree': Tree, }, data() { return { defaultProps: { children: 'children', label: 'label', disabled: 'disabled', }, count: 0, } }, methods: { loadNode(node: Node, resolve: typeof Promise.resolve) { if (node.level === 0) { return resolve([{ name: 'region1' }, { name: 'region2' }]) } if (node.level > 3) return resolve([]) let hasChild: boolean if (node.data.name === 'region1') { hasChild = true } else if (node.data.name === 'region2') { hasChild = false } else { hasChild = false } let data: { name: string }[] if (hasChild) { data = [ { name: `zone${++this.count}`, }, { name: `zone${++this.count}`, }, ] } else { data = [] } resolve(data) }, }, }) let flag = false function handleFocus() { return () => (flag = !flag) } await nextTick() const tree = wrapper.findComponent({ name: 'ElTree' }) const originElements = wrapper.findAll('div[data-key]') const region1 = originElements[0].element const region2 = originElements[1].element defineGetter(region2, 'focus', handleFocus) // expand region1.dispatchEvent(new MouseEvent('click')) expect(region1.classList.contains('is-focusable')).toBeTruthy() await nextTick() await nextTick() expect( Object.values((tree.vm as InstanceType).store.nodesMap) ).toHaveLength(5) // The root node (void node) + 4 child nodes (region1, region2, zone1, zone2) expect( Object.values( Object.values( (tree.vm as InstanceType).store.nodesMap ).filter((item) => item.canFocus).length === 4 ) ).toBeTruthy() // collapse region1.dispatchEvent(new MouseEvent('click')) expect( Object.values( Object.values( (tree.vm as InstanceType).store.nodesMap ).filter((item) => item.canFocus).length === 2 ) ).toBeTruthy() // ArrowDown, region2 focus region1.dispatchEvent( new KeyboardEvent('keydown', { code: 'ArrowDown', bubbles: true, cancelable: false, }) ) expect(flag).toBe(true) defineGetter(region1, 'focus', handleFocus) // ArrowDown, region1 focus region2.dispatchEvent( new KeyboardEvent('keydown', { code: 'ArrowDown', bubbles: true, cancelable: false, }) ) expect(flag).toBe(false) }) })