1 files changed, 45 insertions, 0 deletions

diff --git a/spec/services/issues/create_service_spec.rb b/spec/services/issues/create_service_spec.rb
index 3934ca04a00..5c1544d8ebc 100644
--- a/spec/services/issues/create_service_spec.rb
+++ b/spec/services/issues/create_service_spec.rb
@@ -66,6 +66,7 @@ RSpec.describe Issues::CreateService do
         expect(issue.milestone).to eq(milestone)
         expect(issue.due_date).to eq(Date.tomorrow)
         expect(issue.work_item_type.base_type).to eq('issue')
+        expect(issue.issue_customer_relations_contacts).to be_empty
       end
 
       context 'when a build_service is provided' do
@@ -444,6 +445,50 @@ RSpec.describe Issues::CreateService do
           expect(issue.issue_customer_relations_contacts.last.contact).to eq(contact)
         end
       end
+
+      context 'with external_author' do
+        let_it_be(:contact) { create(:contact, group: group) }
+
+        context 'when CRM contact exists with matching e-mail' do
+          let(:opts) do
+            {
+              title: 'Title',
+              external_author: contact.email
+            }
+          end
+
+          context 'with permission' do
+            it 'assigns contact to issue' do
+              group.add_reporter(user)
+              expect(issue).to be_persisted
+              expect(issue.issue_customer_relations_contacts.last.contact).to eq(contact)
+            end
+          end
+
+          context 'without permission' do
+            it 'does not assign contact to issue' do
+              group.add_guest(user)
+              expect(issue).to be_persisted
+              expect(issue.issue_customer_relations_contacts).to be_empty
+            end
+          end
+        end
+
+        context 'when no CRM contact exists with matching e-mail' do
+          let(:opts) do
+            {
+              title: 'Title',
+              external_author: 'example@gitlab.com'
+            }
+          end
+
+          it 'does not assign contact to issue' do
+            group.add_reporter(user)
+            expect(issue).to be_persisted
+            expect(issue.issue_customer_relations_contacts).to be_empty
+          end
+        end
+      end
     end
 
     context 'resolving discussions' do