20 lines
749 B
TypeScript
20 lines
749 B
TypeScript
import { test, expect } from "vitest";
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import { MaintenanceBarrier } from "../src/runtime/maintenance-gate.js";
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test("activation waits for an in-flight admission lease and rejects later admissions", async () => {
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const gate = new MaintenanceBarrier();
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const release = gate.acquire();
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expect(release).toBeTypeOf("function");
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let acknowledged = false;
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const activation = gate.activate().then(() => { acknowledged = true; });
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await Promise.resolve();
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expect(acknowledged).toBe(false);
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expect(gate.acquire()).toBeUndefined();
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release?.();
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await activation;
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expect(acknowledged).toBe(true);
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expect(gate.status()).toEqual({ active: true, admissions: 0 });
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gate.deactivate();
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expect(gate.acquire()).toBeTypeOf("function");
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});
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