Merge pull request #578 from alphagov/move-email-validations-to-on-cr…

…eate

Only validate emails on create

app/models/staged/validations/email.rb

@@ -4,7 +4,7 @@ module Email
       extend ActiveSupport::Concern
 
       included do
-        validates :email, presence: true, email: { allow_blank: true }
+        validates :email, presence: true, email: { allow_blank: true }, on: :create
       end
     end
   end

app/models/staged/validations/multiple_signers.rb

@@ -4,7 +4,7 @@ module MultipleSigners
       extend ActiveSupport::Concern
 
       included do
-        validate do |signature|
+        validate on: :create do |signature|
           matcher = ::Signature.where(:email => signature.email, :petition_id => signature.petition_id)
           matcher = matcher.where("signatures.id != ?", signature.id) unless signature.new_record?
           existing_email_address_count = matcher.count

spec/models/petition_spec.rb

@@ -1897,6 +1897,31 @@
         end
       end
     end
+
+    context "when the creator's signature is now invalid" do
+      let(:creator) { petition.creator_signature }
+
+      before do
+        creator.update_column(:email, "[email protected]")
+        creator.reload
+      end
+
+      it "sets the state to STOPPED" do
+        expect {
+          petition.stop!(dissolution_at)
+        }.to change {
+          petition.state
+        }.from(Petition::PENDING_STATE).to(Petition::STOPPED_STATE)
+      end
+
+      it "sets the stopped date to the dissolution time" do
+        expect {
+          petition.stop!(dissolution_at)
+        }.to change {
+          petition.stopped_at
+        }.from(nil).to(dissolution_at)
+      end
+    end
   end
 
   describe '#flag' do