1 files changed, 162 insertions, 0 deletions

diff --git a/spec/services/issues/set_crm_contacts_service_spec.rb b/spec/services/issues/set_crm_contacts_service_spec.rb
new file mode 100644
index 00000000000..65b22fe3b35
--- /dev/null
+++ b/spec/services/issues/set_crm_contacts_service_spec.rb
@@ -0,0 +1,162 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Issues::SetCrmContactsService do
+  let_it_be(:user) { create(:user) }
+  let_it_be(:group) { create(:group) }
+  let_it_be(:project) { create(:project, group: group) }
+  let_it_be(:contacts) { create_list(:contact, 4, group: group) }
+
+  let(:issue) { create(:issue, project: project) }
+  let(:does_not_exist_or_no_permission) { "The resource that you are attempting to access does not exist or you don't have permission to perform this action" }
+
+  before do
+    create(:issue_customer_relations_contact, issue: issue, contact: contacts[0])
+    create(:issue_customer_relations_contact, issue: issue, contact: contacts[1])
+  end
+
+  subject(:set_crm_contacts) do
+    described_class.new(project: project, current_user: user, params: params).execute(issue)
+  end
+
+  describe '#execute' do
+    context 'when the user has no permission' do
+      let(:params) { { crm_contact_ids: [contacts[1].id, contacts[2].id] } }
+
+      it 'returns expected error response' do
+        response = set_crm_contacts
+
+        expect(response).to be_error
+        expect(response.message).to match_array(['You have insufficient permissions to set customer relations contacts for this issue'])
+      end
+    end
+
+    context 'when user has permission' do
+      before do
+        group.add_reporter(user)
+      end
+
+      context 'when the contact does not exist' do
+        let(:params) { { crm_contact_ids: [non_existing_record_id] } }
+
+        it 'returns expected error response' do
+          response = set_crm_contacts
+
+          expect(response).to be_error
+          expect(response.message).to match_array(["Issue customer relations contacts #{non_existing_record_id}: #{does_not_exist_or_no_permission}"])
+        end
+      end
+
+      context 'when the contact belongs to a different group' do
+        let(:group2) { create(:group) }
+        let(:contact) { create(:contact, group: group2) }
+        let(:params) { { crm_contact_ids: [contact.id] } }
+
+        before do
+          group2.add_reporter(user)
+        end
+
+        it 'returns expected error response' do
+          response = set_crm_contacts
+
+          expect(response).to be_error
+          expect(response.message).to match_array(["Issue customer relations contacts #{contact.id}: #{does_not_exist_or_no_permission}"])
+        end
+      end
+
+      context 'replace' do
+        let(:params) { { crm_contact_ids: [contacts[1].id, contacts[2].id] } }
+
+        it 'updates the issue with correct contacts' do
+          response = set_crm_contacts
+
+          expect(response).to be_success
+          expect(issue.customer_relations_contacts).to match_array([contacts[1], contacts[2]])
+        end
+      end
+
+      context 'add' do
+        let(:params) { { add_crm_contact_ids: [contacts[3].id] } }
+
+        it 'updates the issue with correct contacts' do
+          response = set_crm_contacts
+
+          expect(response).to be_success
+          expect(issue.customer_relations_contacts).to match_array([contacts[0], contacts[1], contacts[3]])
+        end
+      end
+
+      context 'remove' do
+        let(:params) { { remove_crm_contact_ids: [contacts[0].id] } }
+
+        it 'updates the issue with correct contacts' do
+          response = set_crm_contacts
+
+          expect(response).to be_success
+          expect(issue.customer_relations_contacts).to match_array([contacts[1]])
+        end
+      end
+
+      context 'when attempting to add more than 6' do
+        let(:id) { contacts[0].id }
+        let(:params) { { add_crm_contact_ids: [id, id, id, id, id, id, id] } }
+
+        it 'returns expected error message' do
+          response = set_crm_contacts
+
+          expect(response).to be_error
+          expect(response.message).to match_array(['You can only add up to 6 contacts at one time'])
+        end
+      end
+
+      context 'when trying to remove non-existent contact' do
+        let(:params) { { remove_crm_contact_ids: [non_existing_record_id] } }
+
+        it 'returns expected error message' do
+          response = set_crm_contacts
+
+          expect(response).to be_success
+          expect(response.message).to be_nil
+        end
+      end
+
+      context 'when combining params' do
+        let(:error_invalid_params) { 'You cannot combine crm_contact_ids with add_crm_contact_ids or remove_crm_contact_ids' }
+
+        context 'add and remove' do
+          let(:params) { { remove_crm_contact_ids: [contacts[1].id], add_crm_contact_ids: [contacts[3].id] } }
+
+          it 'updates the issue with correct contacts' do
+            response = set_crm_contacts
+
+            expect(response).to be_success
+            expect(issue.customer_relations_contacts).to match_array([contacts[0], contacts[3]])
+          end
+        end
+
+        context 'replace and remove' do
+          let(:params) { { crm_contact_ids: [contacts[3].id], remove_crm_contact_ids: [contacts[0].id] } }
+
+          it 'returns expected error response' do
+            response = set_crm_contacts
+
+            expect(response).to be_error
+            expect(response.message).to match_array([error_invalid_params])
+          end
+        end
+
+        context 'replace and add' do
+          let(:params) { { crm_contact_ids: [contacts[3].id], add_crm_contact_ids: [contacts[1].id] } }
+
+          it 'returns expected error response' do
+            response = set_crm_contacts
+
+            expect(response).to be_error
+            expect(response.message).to match_array([error_invalid_params])
+          end
+        end
+      end
+    end
+  end
+end