Files
agentic-dev/packages/auth/src/application/use-cases/sign-in.use-case.test.ts

87 lines
3.1 KiB
TypeScript

import { describe, it, expect } from "vitest";
import { ZodError } from "zod";
import {
signInUseCase,
signInOutputSchema,
} from "@/application/use-cases/sign-in.use-case";
import { MockUsersRepository } from "@/infrastructure/repositories/users.repository.mock";
import { MockAuthenticationService } from "@/infrastructure/services/authentication.service.mock";
import { AuthenticationError } from "@/entities/errors/auth";
import type { IAuthenticationService } from "@/application/services/authentication.service.interface";
import { userFactory } from "@/__factories__/user.factory";
describe("signInUseCase", () => {
it("returns a session + cookie on valid credentials", async () => {
const users = new MockUsersRepository([]);
const auth = new MockAuthenticationService(users);
const seedUser = userFactory.build({
username: "alice",
passwordHash: "hashed_testpassword",
});
await users.createUser(seedUser);
const useCase = signInUseCase(users, auth);
const result = await useCase({
username: "alice",
password: "testpassword",
});
expect(result.session.userId).toBe(seedUser.id);
expect(result.cookie.name).toBe("session");
});
it("throws AuthenticationError when user does not exist", async () => {
const users = new MockUsersRepository([]);
const auth = new MockAuthenticationService(users);
const useCase = signInUseCase(users, auth);
await expect(
useCase({ username: "ghost", password: "anything" }),
).rejects.toBeInstanceOf(AuthenticationError);
});
it("throws AuthenticationError on wrong password", async () => {
const users = new MockUsersRepository([]);
const auth = new MockAuthenticationService(users);
await users.createUser(
userFactory.build({
username: "alice",
passwordHash: "hashed_correctpassword",
}),
);
const useCase = signInUseCase(users, auth);
await expect(
useCase({ username: "alice", password: "wrong" }),
).rejects.toBeInstanceOf(AuthenticationError);
});
});
describe("signInUseCase output validation", () => {
it("throws when authenticationService returns a malformed session", async () => {
const users = new MockUsersRepository([]);
const seed = userFactory.build({ username: "alice" });
await users.createUser(seed);
const auth = {
verifyPassword: async () => true,
// session missing required fields → should fail signInOutputSchema.parse
createSession: async () => ({ session: { id: 123 }, cookie: null }),
} as unknown as IAuthenticationService;
const useCase = signInUseCase(users, auth);
await expect(
useCase({ username: "alice", password: "x" }),
).rejects.toBeInstanceOf(ZodError);
});
it("exports an output schema that mirrors the success shape", () => {
expect(signInOutputSchema).toBeDefined();
const parsed = signInOutputSchema.safeParse({
session: { id: "s1", userId: "u1", expiresAt: new Date() },
cookie: { name: "session", value: "s1", attributes: {} },
});
expect(parsed.success).toBe(true);
});
});