private static PropertyDescriptor[] GetListAccessorsForAddresses(BrowsableViewModelList <EmployeeVM> list)
{
PropertyDescriptorCollection employeeProperties = list.GetItemProperties(null);
PropertyDescriptor addressesPropertyDescriptor = employeeProperties["Addresses"];
return(new[] { addressesPropertyDescriptor });
}
private static PropertyDescriptor[] GetListAccessorsForSimpleTypeProperty(BrowsableViewModelList <EmployeeVM> list)
{
var employeeProperties = list.GetItemProperties(null);
var simpleTypePropertyDescriptor = employeeProperties["SimpleTypeProperty"];
return(new[] { simpleTypePropertyDescriptor });
}
public void Constructor_WithEnumerable_PopulatesCollection()
{
IEnumerable <EmployeeVM> source = new[] { new EmployeeVM(), new EmployeeVM() };
var list = new BrowsableViewModelList <EmployeeVM>(source);
CollectionAssert.AreEqual(source.ToArray(), list);
}
public void GetItemProperties_WhenListAccessorsIsNull_AlwaysReturnsSameInstance()
{
var list = new BrowsableViewModelList <EmployeeVM>();
var first = list.GetItemProperties(listAccessors: null);
var second = list.GetItemProperties(listAccessors: null);
Assert.AreSame(first, second);
}
public void GetItemProperties_WhenListAccessorsContainsDescendantPropertyAccessor_AlwaysReturnsSameInstance()
{
var list = new BrowsableViewModelList <EmployeeVM>();
var first = list.GetItemProperties(GetListAccessorsForManagerAddress(list));
var second = list.GetItemProperties(GetListAccessorsForManagerAddress(list));
Assert.AreSame(first, second);
}
public void GetItemProperties_WhenListAccessorsContainsSimpleType_ReturnsPropertyDescriptorsOfThatType()
{
var list = new BrowsableViewModelList <EmployeeVM>();
var actualProperties = list.GetItemProperties(listAccessors: GetListAccessorsForSimpleTypeProperty(list));
var expectedProperties = TypeDescriptor.GetProperties(typeof(SimpleType));
CollectionAssert.AreEqual(GetExpectations(expectedProperties), GetExpectations(actualProperties));
}
public void GetItemProperties_WhenListAccessorsContainsCollectionPropertyDescriptor_ReturnsPropertyDescriptorsOfItemClassDescriptor()
{
var list = new BrowsableViewModelList <EmployeeVM>();
var actualProperties = list.GetItemProperties(listAccessors: GetListAccessorsForAddresses(list));
var expectedProperties = AddressVM.ClassDescriptor.Properties;
CollectionAssert.AreEqual(GetExpectations(expectedProperties), GetExpectations(actualProperties));
}
public void GetItemProperties_WhenListAccessorsIsNull_ReturnsPropertyDescriptorsOfClassDescriptor()
{
var list = new BrowsableViewModelList <EmployeeVM>();
var actualProperties = list.GetItemProperties(listAccessors: null);
var expectedProperties = EmployeeVM.ClassDescriptor.Properties;
CollectionAssert.AreEqual(GetExpectations(expectedProperties), GetExpectations(actualProperties));
}
public void Add_OnEmptyCollection_AddsItem()
{
var list = new BrowsableViewModelList <EmployeeVM>();
var newItem = new EmployeeVM();
list.Add(newItem);
CollectionAssert.AreEqual(new[] { newItem }, list);
}
public void Constructor_WithItemArray_PopulatesCollection()
{
var item1 = new EmployeeVM();
var item2 = new EmployeeVM();
var list = new BrowsableViewModelList <EmployeeVM>(item1, item2);
CollectionAssert.AreEqual(new[] { item1, item2 }, list);
}
public void Add_OnPopulatedCollection_AddsItem()
{
var initialItem = new EmployeeVM();
var list = new BrowsableViewModelList <EmployeeVM>(initialItem);
var newItem = new EmployeeVM();
list.Add(newItem);
CollectionAssert.AreEqual(new[] { initialItem, newItem }, list);
}
public void TypeDescriptorGetProperties_ReturnsCorrectProperties()
{
var list = new BrowsableViewModelList <ParentVM>(new ParentVM());
var selectionPropertyNames = TypeDescriptor
.GetProperties(typeof(SingleSelectionVM <SelectionSource>))
.Cast <PropertyDescriptor>()
.Select(x => x.Name)
.ToArray();
CollectionAssert.Contains(selectionPropertyNames, "SelectedItem");
}
public void BrowsableViewModelList_ReturnsCorrectProperties()
{
var list = new BrowsableViewModelList <ParentVM>(new ParentVM());
var allProperties = list.GetItemProperties(null);
var singleSelectionProperty = allProperties
.Cast <PropertyDescriptor>()
.Single(x => x.Name == "Selection");
var selectionPropertyNames = list
.GetItemProperties(new[] { singleSelectionProperty })
.Cast <PropertyDescriptor>()
.Select(x => x.Name)
.ToArray();
CollectionAssert.Contains(selectionPropertyNames, "SelectedItem");
}
public void GetItemProperties_ForAViewModelCollectionPropertyOfAnObjectWithoutClassDescriptorAttribute_ReturnsViewModelProperties()
{
var list = new BrowsableViewModelList <ViewModelWithClassDescriptorVM>();
PropertyDescriptorCollection withDescProperties = list.GetItemProperties(null);
PropertyDescriptor withoutAttributePropertyDescriptor = withDescProperties["ViewModelWithoutAttribute"];
PropertyDescriptor withAttributePropertyDescriptor = list
.GetItemProperties(new[] { withoutAttributePropertyDescriptor })["ViewModelCollectionWithAttribute"];
PropertyDescriptorCollection withAttributeProperties = list
.GetItemProperties(new[] { withoutAttributePropertyDescriptor, withAttributePropertyDescriptor });
var expectedProperties = ViewModelWithClassDescriptorVM.ClassDescriptor.Properties;
CollectionAssert.AreEqual(GetExpectations(expectedProperties), GetExpectations(withAttributeProperties));
}
