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POHow to test HtmlHelpers that call Partial?
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  1. POHow to test HtmlHelpers that call Partial?
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    copied!<p>I've been looking at <a href="https://stackoverflow.com/questions/271699/testing-htmlhelpers-in-asp-net-mvc">this</a> Stackoverflow question and have the answer implemented. It works all fine and dandy until I get to call HtmlHelper.Partial in my helper method, which is listed below. I know it might not be the best code, but this is until I can refactor more of the app. The error it throws is</p> <blockquote> <p>Previous method 'ViewContext.get_TempData();' requires a return value or an exception to throw.</p> </blockquote> <p>Am I missing mocking something, or is there a better way to render a usercontrol?</p> <p><strong>Edit</strong> Ok I did miss something, I didn't call mocks.Replay(). Now have another error which it wants something named controller in routeData...progress.</p> <p><strong>Edit #2</strong> Clarifying I'm trying to mock the call to HtmlHelper.Partial(partialPath, model), I just want that to return whatever partialPath I send in I suppose, or at least not blowup. I did find this page <a href="http://andrevianna.com/blog/?p=8" rel="nofollow noreferrer">http://andrevianna.com/blog/?p=8</a> which was very helpful and I almost got things working. This was helpful as well <a href="http://farm-fresh-code.blogspot.com/2009/10/mocking-htmlhelper-class-with.html" rel="nofollow noreferrer">http://farm-fresh-code.blogspot.com/2009/10/mocking-htmlhelper-class-with.html</a></p> <pre><code> public static string RenderRateDetails(this HtmlHelper html, string partialPath, RatesViewData model, RateDetailType type) { switch (type) { case RateDetailType.AR: if (model.ExistingRateDetailAR != null) return html.Partial(partialPath, model).ToString(); break; case RateDetailType.AP: if (model.ExistingRateDetail != null) return html.Partial(partialPath, model).ToString(); break; } return string.Empty; } </code></pre>
 

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