35 lines
1.2 KiB
TypeScript
35 lines
1.2 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { createDedupeCache } from "./dedupe.js";
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describe("createDedupeCache", () => {
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it("marks duplicates within TTL", () => {
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const cache = createDedupeCache({ ttlMs: 1000, maxSize: 10 });
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expect(cache.check("a", 100)).toBe(false);
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expect(cache.check("a", 500)).toBe(true);
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});
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it("expires entries after TTL", () => {
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const cache = createDedupeCache({ ttlMs: 1000, maxSize: 10 });
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expect(cache.check("a", 100)).toBe(false);
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expect(cache.check("a", 1501)).toBe(false);
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});
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it("evicts oldest entries when over max size", () => {
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const cache = createDedupeCache({ ttlMs: 10_000, maxSize: 2 });
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expect(cache.check("a", 100)).toBe(false);
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expect(cache.check("b", 200)).toBe(false);
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expect(cache.check("c", 300)).toBe(false);
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expect(cache.check("a", 400)).toBe(false);
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});
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it("prunes expired entries even when refreshed keys are older in insertion order", () => {
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const cache = createDedupeCache({ ttlMs: 100, maxSize: 10 });
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expect(cache.check("a", 0)).toBe(false);
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expect(cache.check("b", 50)).toBe(false);
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expect(cache.check("a", 120)).toBe(false);
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expect(cache.check("c", 200)).toBe(false);
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expect(cache.size()).toBe(2);
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});
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});
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