Add tests for nested submodules

Author: mr-vinn

spec/repository_spec.rb

@@ -160,7 +160,7 @@
 
   context :submodules do
     let(:repository) { Gitlab::Git::Repository.new(TEST_REPO_PATH) }
-    let(:submodules) { repository.submodules(SeedRepo::Commit::ID) }
+    let(:submodules) { repository.submodules('master') }
 
     it { submodules.should be_kind_of Hash }
     it { submodules.empty?.should be_false }
@@ -177,6 +177,20 @@
           }
         ]
       end
+
+      it 'should handle nested submodules correctly' do
+        nested = submodules['nested/six']
+        expect(nested['path']).to eq('nested/six')
+        expect(nested['url']).to eq('git://github.com/randx/six.git')
+        expect(nested['id']).to eq('24fb71c79fcabc63dfd8832b12ee3bf2bf06b196')
+      end
+
+      it 'should handle deeply nested submodules correctly' do
+        nested = submodules['deeper/nested/six']
+        expect(nested['path']).to eq('deeper/nested/six')
+        expect(nested['url']).to eq('git://github.com/randx/six.git')
+        expect(nested['id']).to eq('24fb71c79fcabc63dfd8832b12ee3bf2bf06b196')
+      end
     end
   end