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PORSpec & DataMapper: How to stub the finder method correctly
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2010-12-08T11:32:49.943
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The environment is Sinatra, Nokogiri, RSpec, FactoryGirl and DataMapper. The problem is with DataMapper's serializer. I don't know how to stub appropriatetely with it. The problematic code: <pre><code>specify 'should return an xml array of all municipalities' do municipalities = [] 10.times { |n| municipalities << Factory.build(:municipality, :code => "Municipality no #{n}") } Municipality.stub!(:all).and_return(municipalities) get "/municipalities.xml" # ^------- KABOOM! # [.. rest of code clipped out ..] end </code></pre> The code which <code>get</code> calls is practically equivalent with: <pre><code> Municipality.all.to_xml </code></pre> The problem is that the result set's type is <code>DataMapper::Collection</code> which has the <code>#to_xml</code> method. My stub does not obviously work because I use an <code>Array</code> of stubbed instances, instead of a <code>DataMapper::Collection</code>. My question is: How should I create a collection of instances (with FactoryGirl) which are of type <code>DataMapper::Collection</code> and have the <code>#to_xml</code> method provided by DataMapper's serializer? The code is also available at Github: <ul> <li><a href="https://github.com/pre/apila/blob/69d6e02c3fc8019dc8cc35c5b568188140a92277/spec/application_spec.rb#L67" rel="nofollow">Spec</a></li> <li><a href="https://github.com/pre/apila/blob/69d6e02c3fc8019dc8cc35c5b568188140a92277/application.rb#L55" rel="nofollow">Controller</a></li> </ul>
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<xml-serialization><rspec><datamapper><factory-bot><stub>
Title
RSpec & DataMapper: How to stub the finder method correctly
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