Add test

lib/gitlab/ci/trace/stream.rb

@@ -8,7 +8,7 @@ module Gitlab
 
         attr_reader :stream
 
-        delegate :close, :tell, :seek, :size, :path, :url, :truncate, to: :stream, allow_nil: true
+        delegate :close, :tell, :seek, :size, :url, :truncate, to: :stream, allow_nil: true
 
         delegate :valid?, to: :stream, as: :present?, allow_nil: true
 
@@ -22,7 +22,11 @@ module Gitlab
         end
 
         def file?
-          self.path.present? if respond_to?(:path)
+          self.path.present?
+        end
+
+        def path
+          self.stream.path if self.stream.respond_to?(:path)
         end
 
         def limit(last_bytes = LIMIT_SIZE)

spec/controllers/projects/jobs_controller_spec.rb

@@ -513,6 +513,22 @@ describe Projects::JobsController do
       end
     end
 
+    context 'when job has a trace in database' do
+      let(:job) { create(:ci_build, pipeline: pipeline) }
+
+      before do
+        job.update_column(:trace, 'Sample trace')
+      end
+
+      it 'send a trace file' do
+        response = subject
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(response.content_type).to eq 'text/plain; charset=utf-8'
+        expect(response.body).to eq 'Sample trace'
+      end
+    end
+
     context 'when job does not have a trace file' do
       let(:job) { create(:ci_build, pipeline: pipeline) }