Extract SIGN_COUNT_LIMIT constant in WebauthnCredential class (#30636)

spec/models/webauthn_credential_spec.rb

@@ -0,0 +1,82 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe WebauthnCredential do
+  describe 'validations' do
+    it 'is invalid without an external id' do
+      webauthn_credential = Fabricate.build(:webauthn_credential, external_id: nil)
+
+      webauthn_credential.valid?
+
+      expect(webauthn_credential).to model_have_error_on_field(:external_id)
+    end
+
+    it 'is invalid without a public key' do
+      webauthn_credential = Fabricate.build(:webauthn_credential, public_key: nil)
+
+      webauthn_credential.valid?
+
+      expect(webauthn_credential).to model_have_error_on_field(:public_key)
+    end
+
+    it 'is invalid without a nickname' do
+      webauthn_credential = Fabricate.build(:webauthn_credential, nickname: nil)
+
+      webauthn_credential.valid?
+
+      expect(webauthn_credential).to model_have_error_on_field(:nickname)
+    end
+
+    it 'is invalid without a sign_count' do
+      webauthn_credential = Fabricate.build(:webauthn_credential, sign_count: nil)
+
+      webauthn_credential.valid?
+
+      expect(webauthn_credential).to model_have_error_on_field(:sign_count)
+    end
+
+    it 'is invalid if already exist a webauthn credential with the same external id' do
+      Fabricate(:webauthn_credential, external_id: '_Typ0ygudDnk9YUVWLQayw')
+      new_webauthn_credential = Fabricate.build(:webauthn_credential, external_id: '_Typ0ygudDnk9YUVWLQayw')
+
+      new_webauthn_credential.valid?
+
+      expect(new_webauthn_credential).to model_have_error_on_field(:external_id)
+    end
+
+    it 'is invalid if user already registered a webauthn credential with the same nickname' do
+      user = Fabricate(:user)
+      Fabricate(:webauthn_credential, user_id: user.id, nickname: 'USB Key')
+      new_webauthn_credential = Fabricate.build(:webauthn_credential, user_id: user.id, nickname: 'USB Key')
+
+      new_webauthn_credential.valid?
+
+      expect(new_webauthn_credential).to model_have_error_on_field(:nickname)
+    end
+
+    it 'is invalid if sign_count is not a number' do
+      webauthn_credential = Fabricate.build(:webauthn_credential, sign_count: 'invalid sign_count')
+
+      webauthn_credential.valid?
+
+      expect(webauthn_credential).to model_have_error_on_field(:sign_count)
+    end
+
+    it 'is invalid if sign_count is negative number' do
+      webauthn_credential = Fabricate.build(:webauthn_credential, sign_count: -1)
+
+      webauthn_credential.valid?
+
+      expect(webauthn_credential).to model_have_error_on_field(:sign_count)
+    end
+
+    it 'is invalid if sign_count is greater than the limit' do
+      webauthn_credential = Fabricate.build(:webauthn_credential, sign_count: (described_class::SIGN_COUNT_LIMIT * 2))
+
+      webauthn_credential.valid?
+
+      expect(webauthn_credential).to model_have_error_on_field(:sign_count)
+    end
+  end
+end