test: 建立桌面端自动化回归测试体系并完善跨平台 CI

(cherry picked from commit 74267ae2f63f8256c3da84b04f5b330e6e9d4c67)

tests/component/database-connection.test.tsx

@@ -0,0 +1,55 @@
+import { render, screen, type RenderResult } from '@testing-library/react'
+import userEvent from '@testing-library/user-event'
+import type { ComponentProps } from 'react'
+import { describe, expect, it, vi } from 'vitest'
+import { DatabaseConnectionPage } from '../../src/renderer/src/components/DatabaseConnectionPage'
+
+function renderPage(
+  overrides: Partial<ComponentProps<typeof DatabaseConnectionPage>> = {}
+): RenderResult & { props: ComponentProps<typeof DatabaseConnectionPage> } {
+  const props = {
+    platform: 'win32',
+    mode: 'manual' as const,
+    dbKey: '',
+    dbRoot: '',
+    showDbKey: false,
+    isFetching: false,
+    status: '',
+    statusKind: 'normal' as const,
+    showMacKeyFaq: false,
+    macKeyFaqUrl: 'https://fixture.invalid/mac',
+    onModeChange: vi.fn(),
+    onDbKeyChange: vi.fn(),
+    onDbRootChange: vi.fn(),
+    onToggleDbKey: vi.fn(),
+    onAutoGetKey: vi.fn(),
+    onManualConnect: vi.fn(),
+    onPasteKey: vi.fn(),
+    onClearKey: vi.fn(),
+    ...overrides
+  }
+  return { props, ...render(<DatabaseConnectionPage {...props} />) }
+}
+
+describe('DatabaseConnectionPage', () => {
+  it('keeps connect disabled until a valid 64-character key is supplied', () => {
+    const { rerender, props } = renderPage()
+    expect(screen.getByRole('button', { name: '连接数据库' })).toBeDisabled()
+    rerender(<DatabaseConnectionPage {...props} dbKey={'a'.repeat(64)} />)
+    expect(screen.getByRole('button', { name: '连接数据库' })).toBeEnabled()
+  })
+
+  it('shows a recoverable error and keeps form actions available', async () => {
+    const onManualConnect = vi.fn()
+    renderPage({
+      dbKey: 'b'.repeat(64),
+      status: '数据库密钥无效，请重新输入',
+      statusKind: 'error',
+      onManualConnect
+    })
+    expect(screen.getByText('数据库密钥无效，请重新输入')).toBeVisible()
+    await userEvent.click(screen.getByRole('button', { name: '连接数据库' }))
+    expect(onManualConnect).toHaveBeenCalledOnce()
+    expect(screen.getByRole('button', { name: '从剪贴板粘贴并安全保存' })).toBeEnabled()
+  })
+})