Fix title and description for issue created from vulnerability

Add fallback to other properties when necessary

ee/changelogs/unreleased/8596-fix_title_and_description_for_issue_created_from_vulnerability.yml

+---
+title: Fix title and description for issue created from a vulnerability
+merge_request: 9022
+author:
+type: fixed

ee/lib/gitlab/vulnerabilities/standard_vulnerability.rb

@@ -5,7 +5,6 @@ module Gitlab
     class StandardVulnerability < BaseVulnerability
       # Passthrough properties
       %i[
-        title
         severity
         confidence
         solution
@@ -17,8 +16,12 @@ module Gitlab
         end
       end
 
+      def title
+        @data[:title].presence || @data[:name]
+      end
+
       def description
-        @data[:description].presence || @data[:title]
+        @data[:description].presence || title
       end
 
       def file

ee/spec/lib/gitlab/vulnerabilities/standard_vulnerability_spec.rb

@@ -4,6 +4,7 @@ require 'spec_helper'
 
 describe Gitlab::Vulnerabilities::StandardVulnerability do
   let(:title) { 'Predictable pseudorandom number generator' }
+  let(:name) { 'Predictable pseudorandom number generator (from name)' }
   let(:description) { 'Description of Predictable pseudorandom number generator' }
   let(:severity) { 'Low' }
   let(:confidence) { 'High' }
@@ -37,24 +38,6 @@ describe Gitlab::Vulnerabilities::StandardVulnerability do
     expect(vulnerability).to be_kind_of(Gitlab::Vulnerabilities::BaseVulnerability)
   end
 
-  describe '#title' do
-    context 'when title is present' do
-      it 'returns title' do
-        vulnerability = described_class.new(title: title)
-
-        expect(vulnerability.title).to eq title
-      end
-    end
-
-    context 'when title is not set' do
-      it 'returns nil' do
-        vulnerability = described_class.new(foo: 'bar')
-
-        expect(vulnerability.title).to be_nil
-      end
-    end
-  end
-
   describe '#severity' do
     context 'when severity is present' do
       it 'returns severity' do
@@ -145,6 +128,32 @@ describe Gitlab::Vulnerabilities::StandardVulnerability do
     end
   end
 
+  describe '#title' do
+    context 'when title is present' do
+      it 'returns title' do
+        vulnerability = described_class.new(title: title)
+
+        expect(vulnerability.title).to eq title
+      end
+    end
+
+    context 'when title is not set' do
+      it 'fallbacks to name' do
+        vulnerability = described_class.new(name: name)
+
+        expect(vulnerability.title).to eq name
+      end
+    end
+
+    context 'when title and name are not set' do
+      it 'returns nil' do
+        vulnerability = described_class.new(foo: 'bar')
+
+        expect(vulnerability.title).to be_nil
+      end
+    end
+  end
+
   describe '#description' do
     context 'when description is present' do
       it 'returns description' do
@@ -156,13 +165,21 @@ describe Gitlab::Vulnerabilities::StandardVulnerability do
 
     context 'when description is not set' do
       it 'fallbacks to title' do
-        vulnerability = described_class.new(title: title)
+        vulnerability = described_class.new(title: title, name: name)
 
         expect(vulnerability.description).to eq title
       end
     end
 
-    context 'when title and description are not set' do
+    context 'when description and title are not set' do
+      it 'fallbacks to name' do
+        vulnerability = described_class.new(name: name)
+
+        expect(vulnerability.description).to eq name
+      end
+    end
+
+    context 'when title, name and description are not set' do
       it 'returns nil' do
         vulnerability = described_class.new(foo: 'bar')