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