Add failing test for #20462

spec/finders/branches_finder_spec.rb

@@ -20,7 +20,11 @@ describe BranchesFinder do
         result = branches_finder.execute
-        expect(result.first.name).to eq('crlf-diff')
+        recently_updated_branch = repository.branches.max do |a, b|
+          repository.commit(a.target).committed_date <=> repository.commit(b.target).committed_date
+        end
+
+        expect(result.first.name).to eq(recently_updated_branch.name)
       end
       it 'sorts by last_updated' do

spec/routing/project_routing_spec.rb

@@ -479,13 +479,16 @@ end
 describe Projects::NetworkController, 'routing' do
   it 'to #show' do
     expect(get('/gitlab/gitlabhq/network/master')).to route_to('projects/network#show', namespace_id: 'gitlab', project_id: 'gitlabhq', id: 'master')
-    expect(get('/gitlab/gitlabhq/network/master.json')).to route_to('projects/network#show', namespace_id: 'gitlab', project_id: 'gitlabhq', id: 'master', format: 'json')
+    expect(get('/gitlab/gitlabhq/network/ends-with.json')).to route_to('projects/network#show', namespace_id: 'gitlab', project_id: 'gitlabhq', id: 'ends-with.json')
+    expect(get('/gitlab/gitlabhq/network/master?format=json')).to route_to('projects/network#show', namespace_id: 'gitlab', project_id: 'gitlabhq', id: 'master', format: 'json')
   end
 end
 describe Projects::GraphsController, 'routing' do
   it 'to #show' do
     expect(get('/gitlab/gitlabhq/graphs/master')).to route_to('projects/graphs#show', namespace_id: 'gitlab', project_id: 'gitlabhq', id: 'master')
+    expect(get('/gitlab/gitlabhq/graphs/ends-with.json')).to route_to('projects/graphs#show', namespace_id: 'gitlab', project_id: 'gitlabhq', id: 'ends-with.json')
+    expect(get('/gitlab/gitlabhq/graphs/master?format=json')).to route_to('projects/graphs#show', namespace_id: 'gitlab', project_id: 'gitlabhq', id: 'master', format: 'json')
   end
 end

spec/support/test_env.rb

@@ -6,6 +6,7 @@ module TestEnv
   # When developing the seed repository, comment out the branch you will modify.
   BRANCH_SHA = {
     'empty-branch'          => '7efb185',
+    'ends-with.json'        => '98b0d8b3',
     'flatten-dir'           => 'e56497b',
     'feature'               => '0b4bc9a',
     'feature_conflict'      => 'bb5206f',

spec/views/projects/tree/show.html.haml_spec.rb

+require 'spec_helper'
+
+describe 'projects/tree/show' do
+  include Devise::TestHelpers
+
+  let(:project) { create(:project) }
+  let(:repository) { project.repository }
+
+  before do
+    assign(:project, project)
+    assign(:repository, repository)
+
+    allow(view).to receive(:can?).and_return(true)
+    allow(view).to receive(:can_collaborate_with_project?).and_return(true)
+  end
+
+  context 'for branch names ending on .json' do
+    let(:ref) { 'ends-with.json' }
+    let(:commit) { repository.commit(ref) }
+    let(:path) { '' }
+    let(:tree) { repository.tree(commit.id, path) }
+
+    before do
+      assign(:ref, ref)
+      assign(:commit, commit)
+      assign(:id, commit.id)
+      assign(:tree, tree)
+      assign(:path, path)
+    end
+
+    it 'displays correctly' do
+      render
+      expect(rendered).to have_css('.js-project-refs-dropdown .dropdown-toggle-text', text: ref)
+      expect(rendered).to have_css('.readme-holder .file-content', text: ref)
+    end
+  end
+end