first commit

2026-07-12 15:55:18 +05:30
commit ee98026cc5
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+import { test, expect } from "bun:test";
+import { createPubSub } from "../src/index.ts";
+
+test("publish reaches exact + wildcard subscribers", async () => {
+  const bus = createPubSub();
+  const got: string[] = [];
+  bus.subscribe("order:created", (m: { id: number }) => {
+    got.push(`exact:${m.id}`);
+  });
+  bus.subscribe("order:*", (_m, topic) => {
+    got.push(`prefix:${topic}`);
+  });
+  bus.subscribe("*", (_m, topic) => {
+    got.push(`all:${topic}`);
+  });
+
+  await bus.publish("order:created", { id: 7 });
+  await bus.publish("user:login", { id: 1 });
+
+  expect(got).toContain("exact:7");
+  expect(got).toContain("prefix:order:created");
+  expect(got).toContain("all:order:created");
+  expect(got).toContain("all:user:login");
+  expect(got).not.toContain("prefix:user:login"); // order:* doesn't match user:*
+});
+
+test("unsubscribe stops delivery", async () => {
+  const bus = createPubSub();
+  let n = 0;
+  const off = bus.subscribe("t", () => {
+    n++;
+  });
+  await bus.publish("t", 1);
+  off();
+  await bus.publish("t", 2);
+  expect(n).toBe(1);
+});