29 lines
1.1 KiB
TypeScript
29 lines
1.1 KiB
TypeScript
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import assert from "node:assert/strict";
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import { readFileSync } from "node:fs";
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import test from "node:test";
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import { mergePollListByKey, nextPollData } from "./pollListStable.ts";
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test("nextPollData reuses previous reference when payload is unchanged", () => {
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const prev = { a: 1 };
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assert.equal(nextPollData(prev, { a: 1 }), prev);
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assert.notEqual(nextPollData(prev, { a: 2 }), prev);
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});
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test("mergePollListByKey reuses unchanged row references", () => {
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const prev = [{ id: "1", v: 1 }, { id: "2", v: 2 }];
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const next = [{ id: "1", v: 1 }, { id: "2", v: 3 }];
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const merged = mergePollListByKey(prev, next, (item) => item.id);
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assert.equal(merged[0], prev[0]);
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assert.deepEqual(merged[1], { id: "2", v: 3 });
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});
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test("useSystemManager imports nextPollData from domain", () => {
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const source = readFileSync(
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new URL("../../application/state/useSystemManager.ts", import.meta.url),
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"utf8",
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);
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assert.match(source, /from ['"]\.\.\/\.\.\/domain\/systemManager\/pollListStable['"]/);
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assert.doesNotMatch(source, /from ['"].*components\//);
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});
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