1 files changed, 49 insertions, 0 deletions
diff --git a/spec/support/shared_examples/lib/gitlab/template/template_shared_examples.rb b/spec/support/shared_examples/lib/gitlab/template/template_shared_examples.rb
new file mode 100644
index 00000000000..6b6e25ca1dd
--- /dev/null
+++ b/spec/support/shared_examples/lib/gitlab/template/template_shared_examples.rb
@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.shared_examples 'file template shared examples' do |filename, file_extension|
+  describe '.all' do
+    it "strips the #{file_extension} suffix" do
+      expect(subject.all.first.name).not_to end_with(file_extension)
+    end
+
+    it 'ensures that the template name is used exactly once' do
+      all = subject.all.group_by(&:name)
+      duplicates = all.select { |_, templates| templates.length > 1 }
+
+      expect(duplicates).to be_empty
+    end
+  end
+
+  describe '.by_category' do
+    it 'returns sorted results' do
+      result = described_class.by_category('General')
+
+      expect(result).to eq(result.sort)
+    end
+  end
+
+  describe '.find' do
+    it 'returns nil if the file does not exist' do
+      expect(subject.find('nonexistent-file')).to be nil
+    end
+
+    it 'returns the corresponding object of a valid file' do
+      template = subject.find(filename)
+
+      expect(template).to be_a described_class
+      expect(template.name).to eq(filename)
+    end
+  end
+
+  describe '#<=>' do
+    it 'sorts lexicographically' do
+      one = described_class.new("a.#{file_extension}")
+      other = described_class.new("z.#{file_extension}")
+
+      expect(one.<=>(other)).to be(-1)
+      expect([other, one].sort).to eq([one, other])
+    end
+  end
+end