test(enter): add enter menu tests

packages/basic-modules/__tests__/common/enter-menu.test.ts

@@ -0,0 +1,53 @@
+/**
+ * @description enter menu test
+ * @author cycleccc
+ */
+
+import { Editor, Transforms } from 'slate'
+import createEditor from '../../../../tests/utils/create-editor'
+import EnterMenu from '../../src/modules/common/menu/EnterMenu'
+
+describe('enter menu', () => {
+  const menu = new EnterMenu()
+  let editor: any
+  let startLocation: any
+
+  beforeEach(() => {
+    editor = createEditor()
+    startLocation = Editor.start(editor, [])
+  })
+
+  afterEach(() => {
+    editor = null
+    startLocation = null
+  })
+
+  it('get value', () => {
+    expect(menu.getValue(editor)).toBe('')
+  })
+
+  it('is active', () => {
+    expect(menu.isActive(editor)).toBeFalsy()
+  })
+
+  it('is disabled', () => {
+    editor.deselect()
+    expect(menu.isDisabled(editor)).toBeTruthy()
+    editor.select(startLocation)
+    expect(menu.isDisabled(editor)).toBeFalsy()
+    editor.insertText('hello')
+    editor.select([])
+    expect(menu.isDisabled(editor)).toBeTruthy()
+  })
+
+  it('exec', () => {
+    editor.deselect()
+    expect(menu.exec(editor, '')).toBeUndefined()
+    editor.select(startLocation)
+    menu.exec(editor, '')
+    expect(editor.children).toStrictEqual([
+      { children: [{ text: '' }], type: 'paragraph' },
+      { children: [{ text: '' }], type: 'paragraph' },
+    ])
+  })
+})