✅ test: 补上纯函数、产物冒烟与组件渲染测试，守护产物新鲜度

2026-10-04 19:01:23 +08:00
parent 68ab60273e
commit 99bbf0cc1e
6 changed files with 731 additions and 0 deletions
@@ -0,0 +1,61 @@
+// The browser-local trigger switches. Storage is foreign input: it can be
+// absent, hold another version's shape, or refuse to write, and none of those
+// may stop the plugin from working with its defaults.
+import { afterEach, test } from 'node:test'
+import assert from 'node:assert/strict'
+
+import { STORAGE_KEY, readStoredKinds, writeStoredKinds } from '../../src/client/core/storage.js'
+
+/** Install a storage double, optionally one that throws. */
+function useStorage(behaviour) {
+  const data = new Map()
+  globalThis.localStorage = {
+    getItem: (key) => {
+      if (behaviour === 'read-throws') throw new Error('denied')
+      return data.has(key) ? data.get(key) : null
+    },
+    setItem: (key, value) => {
+      if (behaviour === 'write-throws') throw new Error('quota')
+      data.set(key, String(value))
+    },
+  }
+  return data
+}
+
+afterEach(() => {
+  delete globalThis.localStorage
+})
+
+test('everything is on when this browser has no stored choice', () => {
+  useStorage()
+  assert.deepEqual(readStoredKinds(), { completion: true, approval: true, question: true })
+})
+
+test('without storage at all the defaults still apply', () => {
+  assert.deepEqual(readStoredKinds(), { completion: true, approval: true, question: true })
+  assert.doesNotThrow(() => writeStoredKinds({ completion: false, approval: true, question: true }))
+})
+
+test('a stored switch survives a round trip, and unknown or broken values do not', () => {
+  const data = useStorage()
+  writeStoredKinds({ completion: false, approval: true, question: false })
+  assert.equal(data.get(STORAGE_KEY), JSON.stringify({ completion: false, approval: true, question: false }))
+  assert.deepEqual(readStoredKinds(), { completion: false, approval: true, question: false })
+
+  data.set(STORAGE_KEY, '{ not json')
+  assert.deepEqual(readStoredKinds(), { completion: true, approval: true, question: true })
+
+  data.set(STORAGE_KEY, JSON.stringify({ completion: 'yes', approval: false }))
+  assert.deepEqual(readStoredKinds(), { completion: true, approval: false, question: true })
+
+  data.set(STORAGE_KEY, JSON.stringify({ somethingElse: false }))
+  assert.deepEqual(readStoredKinds(), { completion: true, approval: true, question: true })
+})
+
+test('storage that refuses to be read or written never throws', () => {
+  useStorage('read-throws')
+  assert.deepEqual(readStoredKinds(), { completion: true, approval: true, question: true })
+
+  useStorage('write-throws')
+  assert.doesNotThrow(() => writeStoredKinds({ completion: false, approval: false, question: false }))
+})