import { beforeEach, describe, expect, it } from "vitest";
import { listMilestones } from "../../../../src/application/milestone/list-milestones.js";
import { isOk } from "@tff/core";
import { InMemoryStateAdapter } from "../../../../src/infrastructure/testing/in-memory-state-adapter.js";

describe("listMilestones", () => {
	let adapter: InMemoryStateAdapter;

	beforeEach(() => {
		adapter = new InMemoryStateAdapter();
		adapter.init();
	});

	it("should return all milestones", async () => {
		adapter.createMilestone({ number: 1, name: "MVP" });
		adapter.createMilestone({ number: 2, name: "v2" });

		const result = await listMilestones({ milestoneStore: adapter });
		expect(isOk(result)).toBe(true);
		if (isOk(result)) {
			expect(result.data).toHaveLength(2);
		}
	});

	it("should return empty array when no milestones", async () => {
		const result = await listMilestones({ milestoneStore: adapter });
		expect(isOk(result)).toBe(true);
		if (isOk(result)) {
			expect(result.data).toHaveLength(0);
		}
	});
});