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POTesting Coffeescript with Jasmine and Rails 3.1
 

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  1. POTesting Coffeescript with Jasmine and Rails 3.1
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    <p>Say I have a class in Coffeescript:</p> <pre><code>class MyGame constructor: () -&gt; @me = new Player @opponents = [new Player, new Player] </code></pre> <p>which would like to test in Jasmine:</p> <pre><code>describe "MyGame", -&gt; beforeEach -&gt; window.game = new MyGame it "should have two players", -&gt; expect(window.game.opponents.length).toEqual 2 </code></pre> <p>But I get the error <code>TypeError: Result of expression 'window.game.opponents' [undefined] is not an object.</code>?</p> <p>The <code>window.game</code> approach also seem awkward to me. If I try to define it as <code>@game = new MyGame</code> I get the error <code>ReferenceError: Can't find variable: MyGame</code> but I guess that has something to do with the way Coffeescript is wrapping things up?</p> <p><strong>UPDATE:</strong> The problem seems more like a reference problem as described above. I'm running with <code>guard-jasmine</code> which looks like</p> <pre><code>guard 'jasmine', :all_on_start =&gt; false, :all_after_pass =&gt; false do watch(%r{app/assets/javascripts/(.+)\.(js\.coffee|js)}) { |m| "spec/javascripts/#{m[1]}_spec.#{m[2]}" } watch(%r{spec/javascripts/(.+)_spec\.(js\.coffee|js)}) { |m| "spec/javascripts/#{m[1]}_spec.#{m[2]}" } watch(%r{spec/javascripts/spec\.(js\.coffee|js)}) { "spec/javascripts" } end </code></pre> <p>and my <code>jasmine.yml</code> file has:</p> <pre><code>src_files: - "app/assets/**/*.js" - "app/assets/**/*.coffee" spec_files: - '**/*[sS]pec.js.coffee' asset_pipeline_paths: - app/assets - spec/javascripts </code></pre> <p>I get the an <code>ReferenceError: Can't find variable: MyGame</code> so I figure it's either something with the Rails 3.1 asset pipeline or the way Coffeescript wraps objects.</p>
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    1. COdoes `Player` have the same problem?
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    2. COis this only a problem for Jasmine? how about the code for the site? Also, maybe this helps: http://stackoverflow.com/questions/6150455/structuring-coffeescript-code
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