#3 - returns empty set when github responds with 404

app/lib/github/github.rb

@@ -16,18 +16,26 @@ def initialize organization, repository, access_token
   end
 
   def posts filter
-    raw_data = ''
-    if(filter[:month])
-      raw_data = @client.contents @full_name, path:path(filter)
-    else
-      raw_data = @client.search_code "repo:#{@organization}/#{@repository} path:#{path(filter)} extension:md"
-      raw_data = raw_data[:items]
-    end
-
+    raw_data = search(filter)
     raw_data = filter_by_title(raw_data, filter[:title])
     raw_data.map { |item| to_post(item) }
   end
 
+  def search filter
+    raw_data = []
+    begin
+      if(filter[:month])
+        raw_data = @client.contents @full_name, path:path(filter)
+      else
+        raw_data = @client.search_code "repo:#{@organization}/#{@repository} path:#{path(filter)} extension:md"
+        raw_data = raw_data[:items]
+      end
+    rescue Octokit::NotFound
+      raw_data = []
+    end
+    raw_data
+  end
+
   def filter_by_title raw_data, title = nil
     return raw_data if title.nil?
 
@@ -46,7 +54,7 @@ def post id
   private
   def path filter
     path = "_posts/#{filter.year}"
-    path += ("/%02d" % filter.month) if filter.month
+    path += ("/%02d" % filter.month.to_i) if filter.month
     path
   end
 

specs/integration/api/posts_spec.rb

@@ -50,6 +50,14 @@ def app
       end
     end
 
+    it 'should return empty' do
+      get "/organization/#{@organization}/#{@repository}/posts?year=1990&month=1"
+      response = JSON.parse(last_response.body)
+
+      assert response.kind_of?(Array)
+      assert response.empty?
+    end
+
     it 'should return a single post by path' do
       path  = '_posts/2015/01/2015-01-19-a-fe-nao-costuma.md'
       get "/organization/#{@organization}/#{@repository}/post?path=#{path}"