Testing a class with HttpContext.Current.Session in ASP.NET MVC

Question

I'm adding some tests to a class that uses HttpContext.Current.Session internally and we are porting to ASP.NET MVC. My class looks like this:

class Foo
{
    public void foo()
    {
        HttpContext.Current.Session["foo"] = "foo";
    }
}

I thought to change it like this:

class Foo
{
    IHttpSessionState session;

    public Foo() : this(HttpContext.Current.Session) {}

    public Foo(IHttpSessionState session)
    {
        m_session = session;
    }

    public void foo()
    {
        m_session["foo"] = "foo";
    }
}

The problem is with the default constructor. I can't pass the old classes since they don't implement the new ASP.NET MVC interfaces.

Is there anyway to obtain the instances that implement IHttpSessionState in the default constructor?

Thanks

Phil Strong · Accepted Answer · 2011-02-18 22:17:42Z

5

Try this, it used the IHttpSessionState wrapper that the MVC framework uses.

class Foo
{
    // member variable set by constructor
    IHttpSessionState m_session;

    // if no session is passed it attempts to create a new session state wrapper from the current session
    public Foo() : this(new HttpSessionStateWrapper(HttpContext.Current.Session)) {}

    public Foo(IHttpSessionState session)
    {
        m_session = session;
    }

    public void foo()
    {
        m_session["foo"] = "foo";
    }
}

edited Feb 18, 2011 at 22:17

Phil Strong

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answered Jan 24, 2009 at 23:24

Nick Berardi

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