test: tests Vitest pour les extensions Directus (18 tests, 0 échec)

- disallow-votes (13 tests) : mock knex chaînable + VersionsService
  - versionId manquant, version introuvable, version > 3j, version obsolète
  - échec non bloquant de compare(), collection ignorée si ≠ votes
  - items.delete : voteId manquant, vote introuvable, version associée ancienne
- new-user (5 tests) : mock MailService + database
  - MailService absent, EMAIL_NEW_USER absent, email déjà utilisé
  - envoi e-mail admin, fallback URL par défaut, erreur SMTP non bloquante
- vitest.config.mjs : pointe sur extensions/*/src/__tests__/**/*.test.js

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

extensions/directus-extension-new-user/src/__tests__/index.test.js

@@ -0,0 +1,139 @@
+import {describe, it, expect, vi, beforeEach} from 'vitest'
+import hookFactory from '../index.js'
+
+// Helpers --------------------------------------------------------------------
+
+const makeDatabase = (existingUser) => {
+  const db = vi.fn(() => db)
+  db.select = vi.fn(() => db)
+  db.where = vi.fn(() => db)
+  db.first = vi.fn(() => Promise.resolve(existingUser))
+  return db
+}
+
+/**
+ * Monte le hook et capture le callback `users.create`.
+ */
+const mountHook = ({services, env}) => {
+  let callback
+  const filter = (event, handler) => {
+    if (event === 'users.create') {
+      callback = handler
+    }
+  }
+
+  hookFactory({filter}, {services, env})
+  return callback
+}
+
+const SCHEMA = {}
+const BASE_ENV = {
+  EMAIL_NEW_USER: 'admin@example.com',
+  DIRECTUS_URL: 'http://localhost:8055',
+}
+
+// Tests ----------------------------------------------------------------------
+
+describe('new-user — users.create', () => {
+  let sendMock
+  let services
+
+  beforeEach(() => {
+    sendMock = vi.fn()
+    services = {
+      MailService: class {
+        send(options) {
+          return sendMock(options)
+        }
+      },
+    }
+  })
+
+  it('renvoie input sans envoyer d\'e-mail si MailService est absent', async () => {
+    const db = makeDatabase(undefined)
+    const callback = mountHook({services: {}, env: BASE_ENV})
+    const consoleSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
+    const input = {email: 'user@example.com'}
+
+    const result = await callback(input, {schema: SCHEMA}, {database: db})
+
+    expect(result).toBe(input)
+    expect(consoleSpy).toHaveBeenCalledWith(expect.stringContaining('MailService'))
+    consoleSpy.mockRestore()
+  })
+
+  it('renvoie input sans envoyer d\'e-mail si EMAIL_NEW_USER est absent', async () => {
+    const db = makeDatabase(undefined)
+    const callback = mountHook({services, env: {}})
+    const consoleSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
+    const input = {email: 'user@example.com'}
+
+    const result = await callback(input, {schema: SCHEMA}, {database: db})
+
+    expect(result).toBe(input)
+    expect(consoleSpy).toHaveBeenCalledWith(expect.stringContaining('EMAIL_NEW_USER'))
+    consoleSpy.mockRestore()
+  })
+
+  it('renvoie input sans envoyer d\'e-mail si l\'adresse existe déjà', async () => {
+    const db = makeDatabase({id: 'existing-user-id'}) // utilisateur trouvé
+    const callback = mountHook({services, env: BASE_ENV})
+    const consoleSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
+    const input = {email: 'existing@example.com'}
+
+    const result = await callback(input, {schema: SCHEMA}, {database: db})
+
+    expect(result).toBe(input)
+    expect(sendMock).not.toHaveBeenCalled()
+    consoleSpy.mockRestore()
+  })
+
+  it('envoie un e-mail à l\'admin pour un nouvel utilisateur valide', async () => {
+    const db = makeDatabase(undefined) // aucun utilisateur existant
+    const callback = mountHook({services, env: BASE_ENV})
+    const input = {email: 'new@example.com', first_name: 'Alice'}
+
+    const result = await callback(input, {schema: SCHEMA}, {database: db})
+
+    expect(result).toBe(input)
+    expect(sendMock).toHaveBeenCalledOnce()
+    const callArgs = sendMock.mock.calls[0][0]
+    expect(callArgs.to).toBe('admin@example.com')
+    expect(callArgs.subject).toContain('new@example.com')
+  })
+
+  it('utilise l\'URL Directus par défaut si DIRECTUS_URL est absent', async () => {
+    const db = makeDatabase(undefined)
+    const envWithoutUrl = {EMAIL_NEW_USER: 'admin@example.com'}
+    const callback = mountHook({services, env: envWithoutUrl})
+    const input = {email: 'new@example.com'}
+
+    await callback(input, {schema: SCHEMA}, {database: db})
+
+    const callArgs = sendMock.mock.calls[0][0]
+    expect(callArgs.html).toContain('http://0.0.0.0:8055')
+  })
+
+  it('renvoie input si l\'envoi de mail échoue (non bloquant)', async () => {
+    const db = makeDatabase(undefined)
+    const brokenServices = {
+      MailService: class {
+        send() {
+          throw new Error('SMTP error')
+        }
+      },
+    }
+    const consoleSpy = vi.spyOn(console, 'error').mockImplementation(() => {})
+    const callback = mountHook({services: brokenServices, env: BASE_ENV})
+    const input = {email: 'new@example.com'}
+
+    const result = await callback(input, {schema: SCHEMA}, {database: db})
+
+    expect(result).toBe(input)
+    expect(consoleSpy).toHaveBeenCalledWith(
+      expect.stringContaining('Erreur'),
+      expect.any(Error),
+    )
+    consoleSpy.mockRestore()
+  })
+})