feat: registration with invite codes

src/api/__tests__/users.spec.ts

@@ -0,0 +1,96 @@
+import { describe, it, expect, beforeEach, vi, afterEach } from 'vitest'
+import { setActivePinia, createPinia } from 'pinia'
+import { changePasswordApi, createUserApi } from '../users'
+import { useAuthStore } from '@/stores/auth'
+import { API_BASE_URL } from '@/api/http'
+
+describe('users API', () => {
+  const originalFetch = global.fetch
+
+  beforeEach(() => {
+    setActivePinia(createPinia())
+    localStorage.clear()
+    vi.restoreAllMocks()
+  })
+
+  afterEach(() => {
+    global.fetch = originalFetch
+    localStorage.clear()
+  })
+
+  describe('changePasswordApi', () => {
+    it('sends POST to /user/password with the old and new password', async () => {
+      const authStore = useAuthStore()
+      authStore.setTokens({ access_token: 'token-123', refresh_token: 'refresh-123' })
+
+      const fetchMock = vi.fn<typeof fetch>().mockResolvedValueOnce({
+        ok: true,
+        status: 204,
+      } as unknown as Response)
+      global.fetch = fetchMock
+
+      await changePasswordApi({ old_password: 'old', new_password: 'new12345' })
+
+      expect(fetchMock).toHaveBeenCalledWith(
+        `${API_BASE_URL}/user/password`,
+        expect.objectContaining({
+          method: 'POST',
+          body: JSON.stringify({ old_password: 'old', new_password: 'new12345' }),
+        }),
+      )
+    })
+
+    it('throws on failure', async () => {
+      global.fetch = vi.fn<typeof fetch>().mockResolvedValueOnce({
+        ok: false,
+        json: async () => ({ message: 'Failed' }),
+      } as unknown as Response)
+
+      await expect(
+        changePasswordApi({ old_password: 'old', new_password: 'new12345' }),
+      ).rejects.toThrow('Failed')
+    })
+  })
+
+  describe('createUserApi', () => {
+    it('sends POST to /users with the registration payload and returns the created user', async () => {
+      const mockUser = { id: 'user-1', email: 'new@example.com', name: 'New User' }
+      const fetchMock = vi.fn<typeof fetch>().mockResolvedValueOnce({
+        ok: true,
+        status: 201,
+        json: async () => mockUser,
+      } as unknown as Response)
+      global.fetch = fetchMock
+
+      const payload = {
+        email: 'new@example.com',
+        password: 'password123',
+        name: 'New User',
+        invite_code: 'invite-abc',
+      }
+      const result = await createUserApi(payload)
+
+      expect(fetchMock).toHaveBeenCalledWith(
+        `${API_BASE_URL}/users`,
+        expect.objectContaining({ method: 'POST', body: JSON.stringify(payload) }),
+      )
+      expect(result).toEqual(mockUser)
+    })
+
+    it('throws on failure', async () => {
+      global.fetch = vi.fn<typeof fetch>().mockResolvedValueOnce({
+        ok: false,
+        json: async () => ({ message: 'Invalid invite code' }),
+      } as unknown as Response)
+
+      await expect(
+        createUserApi({
+          email: 'new@example.com',
+          password: 'password123',
+          name: 'New User',
+          invite_code: 'bad-code',
+        }),
+      ).rejects.toThrow('Invalid invite code')
+    })
+  })
+})

src/api/users.ts

@@ -1,6 +1,7 @@
 import { apiClient } from '@/api/client'
 import { extractErrorMessage } from '@/api/http'
 import type { ChangePasswordPayload } from '@/types/auth'
+import type { CreateUserPayload, User } from '@/types/user'
 
 export async function changePasswordApi(payload: ChangePasswordPayload): Promise<void> {
   const response = await apiClient.post('/user/password', payload)
@@ -8,3 +9,11 @@ export async function changePasswordApi(payload: ChangePasswordPayload): Promise
     throw new Error(await extractErrorMessage(response, 'Failed to change password'))
   }
 }
+
+export async function createUserApi(payload: CreateUserPayload): Promise<User> {
+  const response = await apiClient.post('/users', payload)
+  if (!response.ok) {
+    throw new Error(await extractErrorMessage(response, 'Failed to create account'))
+  }
+  return response.json()
+}