I'm using MbUnit/Gallio with Watin on a website that relies on tokens
to control functionality. There is a special back end user web service
for setting tokens without having using a full fledged browser...much
faster!
Inside my test cases I'm finding that I'm doing a lot of lot the same
token prep work to get the user in the correct state before I hit the
site with a browser. I wrote some helper methods in a base class to
Revoke and Grant tokens:
[Test]
public void SecuritiesReport_Run()
{
RevokeToken("foo"); // repeated a lot
GrantToken("bar"); // repeated a lot
GoToSecuritiesReport();
// snip - use watin and other Asserts
}
Is there a built-in class that provides one-off participation in SetUp
and TearDown?
// is there anything like this in MbUnit ???
public abstract class SetUpTearDownParticipantAttribute : Attribute
{
protected virtual void OnSetUp(TestContext context)
{
// optional
}
protected virtual void OnTearDown(TestContext context)
{
// optional
}
}
My thinking is that I could encapsulate some the repeated "busy prep
work" (like Grant/Revoke) into an attribute on _some_ test cases that
require the prep work:
public class Ensure : SetUpTearDownParticipantAttribute
{
public string Token { get; set; }
protected override void OnSetUp(TestContext context)
{
// assume these values will always exist
string baseUrl = context.Data.GetValue(new
Key<string>("BaseUrl"));
string userName = context.Data.GetValue(new
Key<string>("UserName"));
// helper class that wraps WebClient
JsonWebClient.HttpPost(Token, "{0}/services/User.svc/{1}/
tokens", baseUrl, userName);
}
}
[Test]
[Ensure(Token = "bar")]
public void SecuritiesReport_Run()
{
GoToSecuritiesReport();
// snip - use watin
}
The Ensure attribute can now be used across multiple fixtures without
remembering to add explicit method calls to the test body, without
having to inherit from a specific base class, and without having to
have an explicit SetUp function in each fixture class.
Again, the goal of all this is to encapsulate the repeated setup code
so my watin test cases just contain things that need browser
automation.
Good idea, bad idea, meh?
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