Add username to deploy tokens

This new attribute is optional and used when set instead of the default
format `gitlab+deploy-token-#{id}`.

Empty usernames will be saved as null in the database.

Related to https://gitlab.com/gitlab-org/gitlab-ce/issues/50228.

1 files changed, 16 insertions, 0 deletions

diff --git a/spec/services/deploy_tokens/create_service_spec.rb b/spec/services/deploy_tokens/create_service_spec.rb
index 886ffd4593d..fbb66fe4cb7 100644
--- a/spec/services/deploy_tokens/create_service_spec.rb
+++ b/spec/services/deploy_tokens/create_service_spec.rb
@@ -32,6 +32,22 @@ describe DeployTokens::CreateService do
       end
     end
 
+    context 'when username is empty string' do
+      let(:deploy_token_params) { attributes_for(:deploy_token, username: '') }
+
+      it 'converts it to nil' do
+        expect(subject.read_attribute(:username)).to be_nil
+      end
+    end
+
+    context 'when username is provided' do
+      let(:deploy_token_params) { attributes_for(:deploy_token, username: 'deployer') }
+
+      it 'keeps the provided username' do
+        expect(subject.read_attribute(:username)).to eq('deployer')
+      end
+    end
+
     context 'when the deploy token is invalid' do
       let(:deploy_token_params) { attributes_for(:deploy_token, read_repository: false, read_registry: false) }