public void AddRange_should_add_initializer_types_to_collection_from_list()
{
// Arrange
var initializerTypeList = new InitializerTypeList
{
typeof (InitializerDummy),
typeof (InitializerDummy),
typeof (InitializerDummy)
};
var moreInitializers = new List<Type>
{
typeof (InitializerStub),
typeof (InitializerStub)
};
// Act
initializerTypeList.AddRange(moreInitializers);
// Assert
initializerTypeList.Count.ShouldEqual(5);
initializerTypeList[0].ShouldEqual(typeof(InitializerDummy));
initializerTypeList[1].ShouldEqual(typeof(InitializerDummy));
initializerTypeList[2].ShouldEqual(typeof(InitializerDummy));
initializerTypeList[3].ShouldEqual(typeof(InitializerStub));
initializerTypeList[4].ShouldEqual(typeof(InitializerStub));
}
public InitializerTypeList FindInitializers(Assembly assembly)
{
var initializers = new InitializerTypeList();
foreach (var type in assembly.GetTypes())
if (type.IsConcrete() && type.IsInitializer())
initializers.Add(type);
return initializers;
}
public void AddRange_should_throw_ArgumentException_if_passed_an_abstract_class()
{
// Arrange
var initializerType = typeof(AbstractInitializer);
var initializerTypeList = new InitializerTypeList
{
typeof (InitializerDummy),
typeof (InitializerDummy),
typeof (InitializerDummy)
};
// Act & Assert
Assert.Throws<ArgumentException>(
() => initializerTypeList.Add(initializerType));
}
public void FindInitializersInAppDomain_should_find_types_and_return_instances_of_IInitializers()
{
// Arrange
var assembly = Assembly.GetAssembly(GetType());
var initializerStubType = typeof (InitializerStub);
var initializerDummyType = typeof (InitializerDummy);
var initializerTypeList = new InitializerTypeList()
{
initializerStubType,
initializerDummyType
};
var filter = M<IInitializerFilter>();
// return the initializerTypeList above for this assembly
filter
.Expect(f => f.FindInitializers(assembly))
.Return(initializerTypeList)
.Repeat.Any();
// return an empty InitializerTypeList above for all other assemblies
filter
.Expect(f => f.FindInitializers(null))
.IgnoreArguments()
.Return(new InitializerTypeList())
.Repeat.Any();
var locator = new InitializerLocator(filter);
// Act
var resultList = locator.FindInitializersInAppDomain();
// Assert
filter.VerifyAllExpectations();
resultList[0].GetType().ShouldEqual(initializerStubType);
resultList[1].GetType().ShouldEqual(initializerDummyType);
}
public void RemoveAt_should_remove_item_at_index()
{
// Arrange
var initializerTypeList = new InitializerTypeList
{
typeof (InitializerDummy),
typeof (InitializerStub),
typeof (InitializerDummy),
typeof (InitializerDummy)
};
// Act
initializerTypeList.RemoveAt(1);
// Assert
initializerTypeList.Count.ShouldEqual(3);
foreach (var item in initializerTypeList)
item.ShouldNotEqual(typeof(InitializerStub));
}
public void Object_initializer_should_add_initializers_to_collection()
{
// Arrange
var initializerStubType = typeof(InitializerStub);
var initializerDummyType = typeof(InitializerDummy);
// Act
var initializerTypeList = new InitializerTypeList
{
initializerStubType,
initializerDummyType,
initializerStubType,
initializerDummyType
};
// Assert
initializerTypeList.Count.ShouldEqual(4);
initializerTypeList[0].ShouldEqual(initializerStubType);
initializerTypeList[1].ShouldEqual(initializerDummyType);
initializerTypeList[2].ShouldEqual(initializerStubType);
initializerTypeList[3].ShouldEqual(initializerDummyType);
}
public void Insert_should_throw_ArgumentException_if_passed_an_interface()
{
// Arrange
var initializerType = typeof(IInitializer);
var initializerTypeList = new InitializerTypeList
{
typeof (InitializerDummy),
typeof (InitializerDummy),
typeof (InitializerDummy)
};
// Act & Assert
Assert.Throws<ArgumentException>(
() => initializerTypeList.Insert(1, initializerType));
}
public void Insert_should_add_initializer_to_collection()
{
// Arrange
var initializerType = typeof(InitializerStub);
var initializerTypeList = new InitializerTypeList
{
typeof (InitializerDummy),
typeof (InitializerDummy),
typeof (InitializerDummy)
};
// Act
initializerTypeList.Insert(1, initializerType);
// Assert
initializerTypeList.Count.ShouldEqual(4);
initializerTypeList[1].ShouldEqual(initializerType);
}
public void IndexOf_should_return_index_of_first_occurence_of_type()
{
// Arrange
var initializerTypeList = new InitializerTypeList
{
typeof (InitializerDummy),
typeof (InitializerStub),
typeof (InitializerDummy),
typeof (InitializerStub)
};
// Act
var index = initializerTypeList.IndexOf(typeof(InitializerStub));
// Assert
index.ShouldEqual(1);
}
public void Indexer_set_should_add_initializer_to_collection()
{
// Arrange
var initializerType = typeof(InitializerStub);
var initializerTypeList = new InitializerTypeList
{
typeof (InitializerDummy)
};
// Act
initializerTypeList[0] = initializerType;
// Assert
initializerTypeList.Count.ShouldEqual(1);
initializerTypeList[0].ShouldEqual(initializerType);
}
public void Indexer_get_should_add_initializer_to_collection()
{
// Arrange
var initializerType = typeof(InitializerStub);
var initializerTypeList = new InitializerTypeList
{
initializerType
};
// Act
var foundInitializerType = initializerTypeList[0];
// Assert
foundInitializerType.ShouldEqual(initializerType);
}
public void GetEnumerator_should_return_enumerator()
{
// Arrange
var initializerTypeList = new InitializerTypeList
{
typeof (InitializerDummy),
typeof (InitializerDummy),
typeof (InitializerDummy),
typeof (InitializerDummy)
};
// Act
var enumerator = ((IEnumerable)initializerTypeList).GetEnumerator();
// Assert
enumerator.GetType().ShouldEqual(typeof(List<Type>.Enumerator));
var itemCount = 0;
while (enumerator.MoveNext())
{
enumerator.Current.ShouldEqual(typeof (InitializerDummy));
itemCount++;
}
itemCount.ShouldEqual(4);
}
public void CopyTo_should_copy_elements_from_collection_to_array()
{
// Arrange
var copyToMe = new Type[6];
var initializerTypeList = new InitializerTypeList
{
typeof (InitializerDummy),
typeof (InitializerStub),
typeof (InitializerStub),
typeof (InitializerDummy)
};
// Act
initializerTypeList.CopyTo(copyToMe, 1);
// Assert
copyToMe[0].ShouldBeNull();
copyToMe[1].ShouldEqual(typeof(InitializerDummy));
copyToMe[2].ShouldEqual(typeof(InitializerStub));
copyToMe[3].ShouldEqual(typeof(InitializerStub));
copyToMe[4].ShouldEqual(typeof(InitializerDummy));
copyToMe[5].ShouldBeNull();
}
public void Contains_should_return_true_if_collection_contains_type()
{
// Arrange
var initializerTypeList = new InitializerTypeList
{
typeof (InitializerDummy),
typeof (InitializerDummy),
typeof (InitializerDummy)
};
// Act
var doesContain = initializerTypeList.Contains(typeof(InitializerDummy));
// Assert
doesContain.ShouldBeTrue();
}
public void Add_should_add_initializer_to_collection()
{
// Arrange
var initializerType = typeof(InitializerStub);
var initializerTypeList = new InitializerTypeList();
// Act
initializerTypeList.Add(initializerType);
// Assert
initializerTypeList.Count.ShouldEqual(1);
initializerTypeList[0].ShouldEqual(initializerType);
}
public void Remove_should_remove_first_element_of_a_type()
{
// Arrange
var initializerTypeList = new InitializerTypeList
{
typeof (InitializerDummy),
typeof (InitializerStub),
typeof (InitializerDummy),
typeof (InitializerStub)
};
// Act
initializerTypeList.Remove(typeof (InitializerStub));
// Assert
initializerTypeList.Count.ShouldEqual(3);
initializerTypeList[0].ShouldEqual(typeof(InitializerDummy));
initializerTypeList[1].ShouldEqual(typeof(InitializerDummy));
initializerTypeList[2].ShouldEqual(typeof(InitializerStub));
}
public void Indexer_set_should_throw_ArgumentException_if_passed_an_interface()
{
// Arrange
var initializerType = typeof(IInitializer);
var initializerTypeList = new InitializerTypeList();
// Act & Assert
Assert.Throws<ArgumentException>(
() => initializerTypeList[0] = initializerType);
}
public List<IInitializer> FindInitializersInAppDomain(AppDomain appDomain)
{
var initializerTypeList = new InitializerTypeList();
var initializerList = new List<IInitializer>();
foreach (var assembly in appDomain.GetFilteredAssemblies())
initializerTypeList.AddRange(
_filter.FindInitializers(assembly));
foreach (var initializerType in initializerTypeList)
initializerList.Add(
(IInitializer)Activator.CreateInstance(initializerType));
return initializerList;
}
