init from https://github.com/Hufe921/canvas-editor

cypress/e2e/menus/painter.cy.ts

@@ -0,0 +1,53 @@
+import Editor from '../../../src/editor'
+
+describe('菜单-格式刷', () => {
+  beforeEach(() => {
+    cy.visit('http://localhost:3000/canvas-editor/')
+
+    cy.get('canvas').first().as('canvas').should('have.length', 1)
+  })
+
+  const text = 'canvas-editor'
+  const textLength = text.length
+
+  it('格式刷', () => {
+    cy.getEditor().then((editor: Editor) => {
+      editor.command.executeSelectAll()
+
+      editor.command.executeBackspace()
+
+      editor.command.executeInsertElementList([
+        {
+          value: text,
+          bold: true,
+          italic: true
+        }
+      ])
+
+      editor.command.executeInsertElementList([
+        {
+          value: text
+        }
+      ])
+
+      editor.command.executeSetRange(0, textLength)
+
+      cy.get('.menu-item__painter')
+        .click()
+        .wait(300)
+        .then(() => {
+          editor.command.executeSetRange(textLength, 2 * textLength)
+
+          editor.command.executeApplyPainterStyle()
+
+          const data = editor.command.getValue().data.main
+
+          expect(data.length).to.eq(1)
+
+          expect(data[0].italic).to.eq(true)
+
+          expect(data[0].bold).to.eq(true)
+        })
+    })
+  })
+})