How To Unit Test Webforms Applications
Jun 29, 2010I'm looking for examples or some tutorials that explain how to Unit Test ASP.NET Webforms applications?
Can any one share that?
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My test method looks like this:
[Code]....
As indicated in the method decoration attributes, my Excel spreadsheet is on my local C:/ Drive. In it, the sheet where all of my data is located is named "Sheet1".I've copied the Excel spreadsheet into my project and I've set its Build Action = "Content" and I've set its Copy to Output Directory = "Copy if Newer".
When trying to run this simple unit test, I receive the following error:
The unit test adapter failed to connect to the data source or to read the data. For more information on troubleshooting this error, see "Troubleshooting Data-Driven Unit Tests" (http://go.microsoft.com/fwlink/?LinkId=62412) in the MSDN Library. Error details: ERROR [42S02] [Microsoft][ODBC Excel Driver] The Microsoft Office Access database engine could not find the object 'Sheet1'. Make sure the object exists and that you spell its name and the path name correctly.
I've verified that the sheet name is spelled correctly (i.e. Sheet1) and I've verified that my data sources are set correctly.Web searches haven't turned up much at all.
[Code]....
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My business layer:
public interface IAccountService
{
MembershipCreateStatus CreateUser(string userName, string password, string email);
}
public class AccountService : IAccountService
{
private readonly MembershipProvider provider;
public AccountService() : this(null) { }
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8 24 MajorProductions.Tests
From what I can see, however, MajorProductions.Controllers does exist, as it's created by default in my regular/non-test project.The unit test code in question is:
[Code]....
And the error is being triggered by the using MajorProductions.Controllers line. I have similar errors elsewhere in my unit test project, so I figure if I can fix this, I can fix the others.
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Here is a simple test class that ilustrates the problem.
[TestFixture]
public class FailingTest
{
[Test]
public void Test()
{
var type = typeof(string);
// any controller
AuthenticationController c = new AuthenticationController();
var httpContext = new Mock<HttpContextBase>();
var context = c.ControllerContext = new ControllerContext(httpContext.Object, new RouteData(), c);
[Code]...
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[Code]....
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So that's easy enough to fix. I'll just add [AllowHtml] to my controller. But what would be a good way to unit test that this doesn't happen in the future?
The following was my first thought:
[TestMethod]
public void Minify_DoesntChokeOnHtml()
{
try
{
using (var controller = ServiceLocator.Current.GetInstance<MinifyController>())
{
return controller.Minify("alert('<script></script>');");
}
}
catch (HttpRequestValidationException)
{
Assert.Fail("Request validation prevented HTML from existing inside the JavaScript.");
}
}
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What would be a good unit test for this? Maybe reflector on the controller method to see if the [AllowHtml] attribute is present? That seems very structural, and unlikely to survive a refactoring; something functional might make more sense.
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namespace Stackoverflow.Rocks
{
/// <summary>
/// Utility class for progmattically selecting values from the Web.config file.
/// </summary>
public class WebConfigStrings
{
//private static Configuration myConfiguration = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration(HttpContext.Current.Request.ApplicationPath);
/// <summary>
/// Retrieves the desired connection string value based upon the target name.
/// </summary>
/// <param name="connectionStringName">The target connection string referenced in the Web.Config</param>
/// <returns>The value specified in the Web.Config by your connectionStringName</returns>
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{
Configuration rootWebConfig = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration(HttpContext.Current.Request.ApplicationPath);
ConnectionStringSettings connString;
connString = rootWebConfig.ConnectionStrings.ConnectionStrings[connectionStringName];
return connString;
}
/// <summary>
/// Retrieves the desired application string value based upon the target name.
/// </summary>
/// <param name="applicationStringName">The target application string referenced in the Web.Config</param>
/// <returns>The value specified in the Web.Config by your applicationStringName</returns>
public static string GetAppStringByName(string applicationStringName)
{
string appString = "";
appString = ConfigurationManager.AppSettings[applicationStringName];
return appString;
}
}
}
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[Code]....
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System.NullReferenceException: Object reference not set to an instance of an object. at System.Web.Mvc.JsonValueProviderFactory.GetValueProvider(ControllerContext controllerContext) at System.Web.Mvc.ValueProviderFactoryCollection.<>c_DisplayClassc.b_7(ValueProviderFactory
factory) at System.Linq.Enumerable.WhereSelectEnumerableIterator[Code]....
2.MoveNext()
at
System.Collections.Generic.List[Code]....
1
collection) at
System.Linq.Enumerable.ToList[TSource](IEnumerable`1
source) at
System.Web.Mvc.ValueProviderFactoryCollection.GetValueProvider(ControllerContext
controllerContext) at
System.Web.Mvc.Controller.TryUpdateModel[TModel](TModel
model, String prefix)
... my own code from here on....
In case it matters, my controller has the following signature:
[Code]....
My guess is that this has to do with the new way DI works in MVC3, but I can't figure out what I'm doing wrong. Perhaps there is something in terms of DI setup that is required in MVC 3, but wasn't required in MVC 2?
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I must be doing something stupid
My Dll is called SMSLibrary2X which has a web reference to a UserService web service like this (taken from the app.config of the dll:
<setting name="SMSLibrary2x_TAMService_UserService" serializeAs="String">
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</setting>
, however, in the web reference, the URL property is [URL]
As I understand it, the app.config for the DLL is not really pertinent, except perhaps to copy the setting into the app.config of the unit test project.
So, In the SMSLibrary2xTests web.config file, I have this:
[Code]....
However when my unit tests run, always pick up the URL of the web service that I defined when I added the Web Reference to the SMSLibrary2x DLL project, which is fine for design time, but not appropriate when I want to point to different versions at deploy time (dev, QA, prod, etc). I just can't seem to get it to pick up the proper URL.
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