Implement .get for default_reviewers

Author: cltweedie

lib/bitbucket_rest_api/repos/default_reviewers.rb

@@ -19,5 +19,13 @@ def list(user_name, repo_name, params={})
     end
     alias :all :list
 
+    def get(user_name, repo_name, reviewer_username, params={})
+      _update_user_repo_params(user_name, repo_name)
+      _validate_user_repo_params(user, repo) unless user? && repo?
+      normalize! params
+
+      get_request("/2.0/repositories/#{user_name}/#{repo_name}/default-reviewers/#{reviewer_username}", params)
+    end
+
   end
 end

spec/bitbucket_rest_api/repos/default_reviewers_spec.rb

@@ -16,4 +16,19 @@
       subject.list('mock_user', 'mock_repo')
     end
   end
+
+  describe '#get' do
+    before do
+      expect(subject).to receive(:request).with(
+        :get,
+        '/2.0/repositories/mock_user/mock_repo/default-reviewers/mock_reviewer',
+        {},
+        {}
+      )
+    end
+
+    it 'makes a GET request for all pull requests belonging to the repo' do
+      subject.get('mock_user', 'mock_repo', 'mock_reviewer')
+    end
+  end
 end