38 lines
1.0 KiB
TypeScript
38 lines
1.0 KiB
TypeScript
import { test, expect } from "bun:test";
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import { createPubSub } from "../src/index.ts";
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test("publish reaches exact + wildcard subscribers", async () => {
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const bus = createPubSub();
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const got: string[] = [];
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bus.subscribe("order:created", (m: { id: number }) => {
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got.push(`exact:${m.id}`);
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});
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bus.subscribe("order:*", (_m, topic) => {
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got.push(`prefix:${topic}`);
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});
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bus.subscribe("*", (_m, topic) => {
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got.push(`all:${topic}`);
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});
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await bus.publish("order:created", { id: 7 });
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await bus.publish("user:login", { id: 1 });
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expect(got).toContain("exact:7");
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expect(got).toContain("prefix:order:created");
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expect(got).toContain("all:order:created");
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expect(got).toContain("all:user:login");
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expect(got).not.toContain("prefix:user:login"); // order:* doesn't match user:*
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});
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test("unsubscribe stops delivery", async () => {
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const bus = createPubSub();
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let n = 0;
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const off = bus.subscribe("t", () => {
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n++;
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});
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await bus.publish("t", 1);
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off();
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await bus.publish("t", 2);
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expect(n).toBe(1);
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});
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