update

test/clip-payload.test.js

@@ -0,0 +1,64 @@
+'use strict';
+/**
+ * 回归测试：图片条目复制到剪贴板
+ *
+ * 曾经的 bug：copyClipToClipboard 先 rowToClip(row) 再读 clip.image，
+ * 但 rowToClip 产出的字段叫 imageBase64，没有 .image。
+ * Buffer.from(undefined) 抛 TypeError，被 catch 吞掉 —— 所有图片记录
+ * 的"复制"都静默失败，用户按 Ctrl+V 粘到的是上一次剪贴板里的东西。
+ */
+const assert = require('node:assert');
+const { clipPayload } = require('../lib/clip-payload.js');
+
+let passed = 0;
+function check(name, fn) {
+  try { fn(); console.log('  ok -', name); passed++; }
+  catch (e) { console.error('  FAIL -', name, e.message); process.exitCode = 1; }
+}
+
+check('text row yields its text', () => {
+  const p = clipPayload({ type: 'text', text: 'hello', image: null });
+  assert.deepStrictEqual(p, { kind: 'text', text: 'hello' });
+});
+
+check('text row with null text yields empty string, not crash', () => {
+  assert.deepStrictEqual(clipPayload({ type: 'text', text: null }), { kind: 'text', text: '' });
+});
+
+check('image row yields the raw BLOB as a Buffer', () => {
+  const blob = Buffer.from([0x89, 0x50, 0x4e, 0x47]);
+  const p = clipPayload({ type: 'image', text: null, image: blob });
+  assert.strictEqual(p.kind, 'image');
+  assert.ok(Buffer.isBuffer(p.buffer));
+  assert.deepStrictEqual([...p.buffer], [0x89, 0x50, 0x4e, 0x47]);
+});
+
+check('image row survives a Uint8Array (what sqlite may hand back)', () => {
+  const p = clipPayload({ type: 'image', image: new Uint8Array([1, 2, 3]) });
+  assert.ok(Buffer.isBuffer(p.buffer));
+  assert.deepStrictEqual([...p.buffer], [1, 2, 3]);
+});
+
+// 这条正是当年的失败模式：把 rowToClip 的产物喂进来（只有 imageBase64，没有 image）
+check('a row missing the image column throws a clear error, not a TypeError', () => {
+  const rowToClipShaped = { type: 'image', text: '', imageBase64: 'iVBORw0KGgo=', preview: '[图片]' };
+  assert.throws(() => clipPayload(rowToClipShaped), (e) => {
+    assert.ok(!(e instanceof TypeError), '不应是 Buffer.from(undefined) 那种 TypeError');
+    assert.match(e.message, /图片数据为空/);
+    return true;
+  });
+});
+
+check('empty image blob is rejected', () => {
+  assert.throws(() => clipPayload({ type: 'image', image: Buffer.alloc(0) }), /图片数据为空/);
+});
+
+check('missing row is rejected', () => {
+  assert.throws(() => clipPayload(null), /记录不存在/);
+});
+
+check('unknown type is rejected', () => {
+  assert.throws(() => clipPayload({ type: 'video' }), /未知的记录类型/);
+});
+
+console.log(`\n${passed} checks passed`);