Finding tests in a given assembly.

TestFinder.cs

namespace Mjunit
{
    public class TestFinder
    {
        public ArrayList FindTests(Assembly assembly)
        {
            var types = assembly.GetTypes();
            var fixtures = GetTestFixtures(types);
            var groups = GetTestGroups(fixtures);
            return groups;
        }

        private ArrayList GetTestFixtures(Type[] types)
        {
            var result = new ArrayList();
            for (int i = 0; i < types.Length; i++)
            {
                var t = types[i];
                if (t.IsSubclassOf(typeof(Fixture)))
                {
                    result.Add(t);
                }
            }
            return result;
        }

        private ArrayList GetTestGroups(ArrayList fixtures)
        {
            var result = new ArrayList();
            foreach (Type t in fixtures)
            {
                var g = new TestGroup(t);
                if (g.NumberOfTests > 0)
                {
                    result.Add(g);                    
                }
            }
            return result;
        }
    }
}