clearify identity validations

Identity.new.valid? should not crash. So validate presence where needed and
skip the other validations if the value is absent.

2 files changed, 17 insertions, 1 deletions

diff --git a/test/integration/api/smtp_cert_test.rb b/test/integration/api/smtp_cert_test.rb
index 04e6f31..f72362d 100644
--- a/test/integration/api/smtp_cert_test.rb
+++ b/test/integration/api/smtp_cert_test.rb
@@ -34,7 +34,7 @@ class SmtpCertTest < ApiIntegrationTest
     cert = OpenSSL::X509::Certificate.new(get_response.body)
     fingerprint = OpenSSL::Digest::SHA1.hexdigest(cert.to_der).scan(/../).join(':')
     today = DateTime.now.to_date.to_s
-    assert_equal({fingerprint => today}, @user.identity.cert_fingerprints)
+    assert_equal({fingerprint => today}, @user.reload.identity.cert_fingerprints)
   end
 
   test "fetching smtp certs requires email account" do
diff --git a/test/unit/identity_test.rb b/test/unit/identity_test.rb
index 54c0657..49b2075 100644
--- a/test/unit/identity_test.rb
+++ b/test/unit/identity_test.rb
@@ -7,6 +7,22 @@ class IdentityTest < ActiveSupport::TestCase
     @user = find_record :user
   end
 
+  test "blank identity does not crash on valid?" do
+    id = Identity.new
+    assert !id.valid?
+  end
+
+  test "enabled identity requires destination" do
+    id = Identity.new user: @user, address: @user.email_address
+    assert !id.valid?
+    assert_equal ["can't be blank"], id.errors[:destination]
+  end
+
+  test "disabled identity requires no destination" do
+    id = Identity.new address: @user.email_address
+    assert id.valid?
+  end
+
   test "initial identity for a user" do
     id = Identity.for(@user)
     assert_equal @user.email_address, id.address