Prepare production smart scale Android app

2026-07-28 16:44:40 +08:00
parent af50188332
commit eab3ca651a
70 changed files with 4286 additions and 459 deletions
@@ -0,0 +1,44 @@
+import assert from "node:assert/strict";
+import test from "node:test";
+
+import {
+  createFileTimestamp,
+  evaluateStability,
+  formatWeight,
+  parseScaleMessage,
+} from "../app/scale-utils.ts";
+
+test("电子秤消息统一转换为千克", () => {
+  assert.equal(parseScaleMessage("2.49"), 2.49);
+  assert.equal(parseScaleMessage('{"weight":2490,"unit":"g"}'), 2.49);
+  assert.equal(parseScaleMessage('{"weightKg":2.49}'), 2.49);
+  assert.ok(Math.abs(parseScaleMessage('{"value":2.20462262,"unit":"lb"}') - 1) < 1e-9);
+});
+
+test("电子秤消息拒绝非法数据", () => {
+  assert.equal(parseScaleMessage(""), null);
+  assert.equal(parseScaleMessage("-1"), null);
+  assert.equal(parseScaleMessage('{"weight":"abc"}'), null);
+  assert.equal(parseScaleMessage('{"weight":1,"unit":"oz"}'), null);
+});
+
+test("连续相同读数可完成稳定判断", () => {
+  assert.deepEqual(evaluateStability([2.49, 2.49, 2.49, 2.49, 2.49]), {
+    stable: false,
+    progress: 70,
+  });
+  assert.deepEqual(evaluateStability([2.49, 2.49, 2.49, 2.49, 2.49, 2.49]), {
+    stable: true,
+    progress: 100,
+  });
+  assert.equal(evaluateStability([2.4, 2.5, 2.42, 2.51, 2.43, 2.5]).stable, false);
+});
+
+test("重量格式和文件时间戳符合终端规范", () => {
+  assert.equal(formatWeight(2.486, "kg"), "2.49");
+  assert.equal(formatWeight(2.486, "g"), "2486.00");
+  assert.equal(formatWeight(Number.NaN, "kg"), "0.00");
+
+  const localTime = new Date(2026, 6, 28, 16, 9, 5).toISOString();
+  assert.equal(createFileTimestamp(localTime), "20260728160905");
+});