Files
agentic-dev/packages/blog/src/application/use-cases/create-article.use-case.test.ts
2026-07-12 08:15:46 +00:00

69 lines
2.1 KiB
TypeScript

import { describe, expect, it } from "vitest";
import { ZodError } from "zod";
import {
createArticleUseCase,
createArticleOutputSchema,
} from "@/application/use-cases/create-article.use-case";
import { MockArticlesRepository } from "@/infrastructure/repositories/articles.repository.mock";
import type { IArticlesRepository } from "@/application/repositories/articles.repository.interface";
describe("createArticleUseCase", () => {
it("creates an article in draft status with auto-generated slug", async () => {
const repo = new MockArticlesRepository();
const useCase = createArticleUseCase(repo);
const result = await useCase({
title: "Hello World",
content: "body",
authorId: "u1",
});
expect(result.title).toBe("Hello World");
expect(result.slug).toBe("hello-world");
expect(result.status).toBe("draft");
expect(result.id).toBeTruthy();
const stored = await repo.getArticle(result.id);
expect(stored).toBeDefined();
});
it("uses provided slug when supplied", async () => {
const repo = new MockArticlesRepository();
const useCase = createArticleUseCase(repo);
const result = await useCase({
title: "Whatever",
content: "body",
authorId: "u1",
slug: "custom-slug",
});
expect(result.slug).toBe("custom-slug");
});
});
describe("createArticleUseCase output validation", () => {
it("throws when repository returns a malformed article", async () => {
const repo = {
createArticle: async () => ({ id: 1 }) as unknown as never,
} as unknown as IArticlesRepository;
const useCase = createArticleUseCase(repo);
await expect(
useCase({ title: "X", authorId: "u1" }),
).rejects.toBeInstanceOf(ZodError);
});
it("exports an output schema that accepts a valid article shape", () => {
expect(createArticleOutputSchema).toBeDefined();
const result = createArticleOutputSchema.safeParse({
id: "a1",
title: "Test",
slug: "test",
content: null,
status: "draft",
authorId: "u1",
createdAt: new Date(),
updatedAt: new Date(),
});
expect(result.success).toBe(true);
});
});