Fix incorrect marking MR as Draft

If a merge request has Draft or WIP in the middle of title
It shouldn't be marked as a draft merge request

changelogs/unreleased/id-fix-wip-in-the-middle-of-title.yml

+---
+title: Fix incorrect marking MR as Draft
+merge_request: 36869
+author:
+type: fixed

lib/gitlab/regex.rb

@@ -251,11 +251,11 @@ module Gitlab
     end
 
     def merge_request_wip
-      /(?i)(\[WIP\]\s*|WIP:\s*|WIP\s+|WIP$)/
+      /(?i)(\[WIP\]\s*|WIP:\s*|WIP$)/
     end
 
     def merge_request_draft
-      /(?i)(\[draft\]|\(draft\)|draft:|draft\s\-\s|draft\s|draft$)/
+      /(?i)(\[draft\]|\(draft\)|draft:|draft\s\-\s|draft$)/
     end
 
     def issue

spec/models/merge_request_spec.rb

@@ -1114,8 +1114,8 @@ RSpec.describe MergeRequest do
     subject { build_stubbed(:merge_request) }
 
     [
-      'WIP ', 'WIP:', 'WIP: ', '[WIP]', '[WIP] ', ' [WIP] WIP [WIP] WIP: WIP ',
-      'Draft ', 'draft:', 'Draft: ', '[Draft]', '[DRAFT] ', 'Draft - '
+      'WIP:', 'WIP: ', '[WIP]', '[WIP] ', ' [WIP] WIP: [WIP] WIP:',
+      'draft:', 'Draft: ', '[Draft]', '[DRAFT] ', 'Draft - '
     ].each do |wip_prefix|
       it "detects the '#{wip_prefix}' prefix" do
         subject.title = "#{wip_prefix}#{subject.title}"
@@ -1136,6 +1136,18 @@ RSpec.describe MergeRequest do
       expect(subject.work_in_progress?).to eq true
     end
 
+    it 'does not detect WIP in the middle of the title' do
+      subject.title = 'Something with WIP in the middle'
+
+      expect(subject.work_in_progress?).to eq false
+    end
+
+    it 'does not detect Draft in the middle of the title' do
+      subject.title = 'Something with Draft in the middle'
+
+      expect(subject.work_in_progress?).to eq false
+    end
+
     it "doesn't detect WIP for words starting with WIP" do
       subject.title = "Wipwap #{subject.title}"
       expect(subject.work_in_progress?).to eq false
@@ -1155,8 +1167,8 @@ RSpec.describe MergeRequest do
     subject { build_stubbed(:merge_request) }
 
     [
-      'WIP ', 'WIP:', 'WIP: ', '[WIP]', '[WIP] ', '[WIP] WIP [WIP] WIP: WIP ',
-      'Draft ', 'draft:', 'Draft: ', '[Draft]', '[DRAFT] ', 'Draft - '
+      'WIP:', 'WIP: ', '[WIP]', '[WIP] ', '[WIP] WIP: [WIP] WIP:',
+      'draft:', 'Draft: ', '[Draft]', '[DRAFT] ', 'Draft - '
     ].each do |wip_prefix|
       it "removes the '#{wip_prefix}' prefix" do
         wipless_title = subject.title
@@ -2497,7 +2509,7 @@ RSpec.describe MergeRequest do
 
     context 'when working in progress' do
       before do
-        subject.title = 'WIP MR'
+        subject.title = '[Draft] MR'
       end
 
       it 'returns false' do

spec/services/issuable/common_system_notes_service_spec.rb

@@ -43,23 +43,23 @@ RSpec.describe Issuable::CommonSystemNotesService do
       it_behaves_like 'system note creation', {}, 'changed milestone'
     end
 
-    context 'with merge requests WIP note' do
-      context 'adding WIP note' do
+    context 'with merge requests Draft note' do
+      context 'adding Draft note' do
         let(:issuable) { create(:merge_request, title: "merge request") }
 
-        it_behaves_like 'system note creation', { title: "WIP merge request" }, 'marked as a **Work In Progress**'
+        it_behaves_like 'system note creation', { title: "Draft: merge request" }, 'marked as a **Work In Progress**'
 
         context 'and changing title' do
           before do
-            issuable.update_attribute(:title, "WIP changed title")
+            issuable.update_attribute(:title, "Draft: changed title")
           end
 
-          it_behaves_like 'WIP notes creation', 'marked'
+          it_behaves_like 'draft notes creation', 'marked'
         end
       end
 
-      context 'removing WIP note' do
-        let(:issuable) { create(:merge_request, title: "WIP merge request") }
+      context 'removing Draft note' do
+        let(:issuable) { create(:merge_request, title: "Draft: merge request") }
 
         it_behaves_like 'system note creation', { title: "merge request" }, 'unmarked as a **Work In Progress**'
 
@@ -68,7 +68,7 @@ RSpec.describe Issuable::CommonSystemNotesService do
             issuable.update_attribute(:title, "changed title")
           end
 
-          it_behaves_like 'WIP notes creation', 'unmarked'
+          it_behaves_like 'draft notes creation', 'unmarked'
         end
       end
     end

spec/services/system_notes/merge_requests_service_spec.rb

@@ -52,8 +52,8 @@ RSpec.describe ::SystemNotes::MergeRequestsService do
   end
 
   describe '.handle_merge_request_wip' do
-    context 'adding wip note' do
-      let(:noteable) { create(:merge_request, source_project: project, title: 'WIP Lorem ipsum') }
+    context 'adding draft note' do
+      let(:noteable) { create(:merge_request, source_project: project, title: 'Draft: Lorem ipsum') }
 
       subject { service.handle_merge_request_wip }
 

spec/support/shared_examples/services/common_system_notes_shared_examples.rb

@@ -17,10 +17,10 @@ RSpec.shared_examples 'system note creation' do |update_params, note_text|
   end
 end
 
-RSpec.shared_examples 'WIP notes creation' do |wip_action|
+RSpec.shared_examples 'draft notes creation' do |wip_action|
   subject { described_class.new(project, user).execute(issuable, old_labels: []) }
 
-  it 'creates WIP toggle and title change notes' do
+  it 'creates Draft toggle and title change notes' do
     expect { subject }.to change { Note.count }.from(0).to(2)
 
     expect(Note.first.note).to match("#{wip_action} as a **Work In Progress**")