How to do test with Nunit

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Hi , I have this method :

C#

public static IEnumerable<W_H59MpxSessionFrais> ListeSessionFrais(MpxFraisContext db, int siteID, int stval, string codeFrais)
       {
           var sessionfrais = (from D1 in db.H59_MpxSessionFrais
                               where D1.CodeFrais == codeFrais
                               && D1.SiteId == siteID
                               && D1.StatusValidation == stval
                               select new W_H59MpxSessionFrais
                               {
                                   ID = D1.SessionFraisId,
                                   LibelleSession = D1.LibelleSession,
                                   DateDebutSession = D1.DateDebutSession,
                                   DateFinSession = D1.DateFinSession
                               });
           return sessionfrais.ToList();
       }

and i want to do test with Nunit ,if someone have an idea please tell me how to do the test class knowing that i'm working with asp.net MVC 4 ,Razor and linq to entities

Posted 8-Sep-13 23:21pm

aida1986

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Bernhard Hiller · Answer 1 · 2013-09-08T23:34:00

Where exactly are you stuck?
Possibly with the MpxFraisContext db parameter. Here you need a "mock". That is, an object of that type which contains some data or none (depending on the singular test). You may create such an object yourself, or use a "mocking framework", e.g. Moq.
A function could look like:

C#

[Test]
public void TestListeSessionFrais()
{
    MpxFraisContext db = [create and fill that object with useful data]
    int siteID = 1;
    int stval = 2;
    string codeFrais = "a";
    IEnumerable<w_h59mpxsessionfrais> retVal = [YourClass].ListeSessionFrais(db, siteID, stval, codeFrais);
    int expectedCount = 1;
    Assert.IsNotNull(retVal, "the function must return a value different from null");
    //... some more Asserts on the returned object, e.g. count, properties of first object in list,...
}</w_h59mpxsessionfrais>

aida1986 · Answer 2 · 2013-09-11T05:15:00

Solution 2

how to use mock in test class ?

Posted 11-Sep-13 5:15am