feat: add mainland-reachable desktop distribution

tests/shell_update.test.mjs

@@ -0,0 +1,63 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+
+const nextTurn = () => new Promise(resolve => setImmediate(resolve))
+
+function element(hidden = false) {
+  return {
+    disabled: false,
+    hidden,
+    textContent: '',
+    listeners: new Map(),
+    addEventListener(name, listener) {
+      this.listeners.set(name, listener)
+    },
+  }
+}
+
+test('startup waits for an available signed shell update decision', async () => {
+  const elements = new Map([
+    ['status', element()],
+    ['spinner', element()],
+    ['retry', element(true)],
+    ['detail', element(true)],
+    ['update-panel', element(true)],
+    ['update-notes', element()],
+    ['install-update', element()],
+    ['skip-update', element()],
+  ])
+  const invokes = []
+  globalThis.document = {
+    readyState: 'complete',
+    getElementById(id) {
+      return elements.get(id)
+    },
+  }
+  globalThis.window = {
+    __TAURI__: {
+      event: { async listen() {} },
+      core: {
+        async invoke(command) {
+          invokes.push(command)
+          if (command === 'check_shell_update') {
+            return { version: '1.2.3', notes: 'signed release' }
+          }
+          return null
+        },
+      },
+    },
+  }
+
+  await import(new URL('../ui/app.js?update-test', import.meta.url))
+  await nextTurn()
+
+  assert.deepEqual(invokes, ['check_shell_update'])
+  assert.equal(elements.get('status').textContent, '发现壳更新 1.2.3')
+  assert.equal(elements.get('update-notes').textContent, 'signed release')
+  assert.equal(elements.get('update-panel').hidden, false)
+
+  await elements.get('skip-update').listeners.get('click')()
+  await nextTurn()
+  assert.deepEqual(invokes, ['check_shell_update', 'skip_shell_update'])
+  assert.equal(elements.get('update-panel').hidden, true)
+})