// This method builds a list of nodes that can be used to
// run setup and teardown according to the NUnit specs.
// We need to execute setup and teardown methods one level
// at a time. However, we can't discover them by reflection
// one level at a time, because that would cause overridden
// methods to be called twice, once on the base class and
// once on the derived class.
//
// For that reason, we start with a list of all setup and
// teardown methods, found using a single reflection call,
// and then descend through the inheritance hierarchy,
// adding each method to the appropriate level as we go.
private static SetUpTearDownNode BuildList(Type fixtureType, IList <MethodInfo> setUpMethods, IList <MethodInfo> tearDownMethods)
{
// Create lists of methods for this level only.
// Note that FindAll can't be used because it's not
// available on all the platforms we support.
var mySetUpMethods = SelectMethodsByDeclaringType(fixtureType, setUpMethods);
var myTearDownMethods = SelectMethodsByDeclaringType(fixtureType, tearDownMethods);
var node = new SetUpTearDownNode(mySetUpMethods, myTearDownMethods);
var baseType = fixtureType.BaseType;
if (baseType != typeof(object) && baseType != null)
{
var next = BuildList(baseType, setUpMethods, tearDownMethods);
if (next.HasMethods)
{
if (!node.HasMethods)
{
return(next);
}
}
node.Next = next;
}
return(node);
}
/// <summary>
/// Construct a SetUpTearDownList.
/// </summary>
/// <param name="fixtureType">The Type of the fixture to which the list applies</param>
/// <param name="setUpType">The Type of the attribute used to mark setup methods</param>
/// <param name="tearDownType">The Type of the attribute used to mark teardown methods</param>
/// <returns></returns>
public SetUpTearDownList(Type fixtureType, Type setUpType, Type tearDownType)
{
var setUpMethods = Reflect.GetMethodsWithAttribute(fixtureType, setUpType, true);
var tearDownMethods = Reflect.GetMethodsWithAttribute(fixtureType, tearDownType, true);
_topLevelNode = BuildList(fixtureType, setUpMethods, tearDownMethods);
}
/// <summary>
/// Construct a SetUpTearDownList.
/// </summary>
/// <param name="fixtureType">The Type of the fixture to which the list applies</param>
/// <param name="setUpType">The Type of the attribute used to mark setup methods</param>
/// <param name="tearDownType">The Type of the attribute used to mark teardown methods</param>
/// <returns></returns>
public SetUpTearDownList(Type fixtureType, Type setUpType, Type tearDownType)
{
var setUpMethods = Reflect.GetMethodsWithAttribute(fixtureType, setUpType, true);
var tearDownMethods = Reflect.GetMethodsWithAttribute(fixtureType, tearDownType, true);
_topLevelNode = BuildList(fixtureType, setUpMethods, tearDownMethods);
}
// This method builds a list of nodes that can be used to
// run setup and teardown according to the NUnit specs.
// We need to execute setup and teardown methods one level
// at a time. However, we can't discover them by reflection
// one level at a time, because that would cause overridden
// methods to be called twice, once on the base class and
// once on the derived class.
//
// For that reason, we start with a list of all setup and
// teardown methods, found using a single reflection call,
// and then descend through the inheritance hierarchy,
// adding each method to the appropriate level as we go.
private static SetUpTearDownNode BuildList(Type fixtureType, IList<MethodInfo> setUpMethods, IList<MethodInfo> tearDownMethods)
{
// Create lists of methods for this level only.
// Note that FindAll can't be used because it's not
// available on all the platforms we support.
var mySetUpMethods = SelectMethodsByDeclaringType(fixtureType, setUpMethods);
var myTearDownMethods = SelectMethodsByDeclaringType(fixtureType, tearDownMethods);
var node = new SetUpTearDownNode(mySetUpMethods, myTearDownMethods);
var baseType = fixtureType.BaseType;
if (baseType != typeof(object) && baseType != null)
{
var next = BuildList(baseType, setUpMethods, tearDownMethods);
if (next.HasMethods)
if (!node.HasMethods)
return next;
node.Next = next;
}
return node;
}