public void ChangeFolderCommandHandler_IfDiscItemIsSelected_DoesNothing()
{
// Arrange
var folder = new FolderModel();
folder.AddSubfolders(new FolderModel {
Id = new ItemId("Subfolder Id")
});
folder.AddDiscs(new DiscModel {
TreeTitle = "Some Disc"
}.MakeActive());
var parentFolder = new FolderModel {
Id = new ItemId("Parent Folder Id")
};
parentFolder.AddSubfolders(folder);
var mocker = new AutoMocker();
var target = mocker.CreateInstance <LibraryExplorerItemListViewModel>();
target.LoadFolderItems(folder);
target.SelectedItem = target.Items[2];
target.SelectedItem.Should().BeOfType <DiscExplorerItem>();
LoadParentFolderEventArgs loadParentFolderEvent = null;
Messenger.Default.Register <LoadParentFolderEventArgs>(this, e => e.RegisterEvent(ref loadParentFolderEvent));
LoadFolderEventArgs loadFolderEvent = null;
Messenger.Default.Register <LoadFolderEventArgs>(this, e => e.RegisterEvent(ref loadFolderEvent));
// Act
target.ChangeFolderCommand.Execute(null);
// Assert
loadParentFolderEvent.Should().BeNull();
loadFolderEvent.Should().BeNull();
}
public void LoadParentFolderEventHandler_LoadsParentFolderCorrectly()
{
// Arrange
var parentFolder = new FolderModel {
Id = new ItemId("Parent Folder Id")
};
var loadParentFolderEvent = new LoadParentFolderEventArgs(parentFolder, new ItemId("Child Folder Id"));
var mocker = new AutoMocker();
var target = mocker.CreateInstance <LibraryExplorerViewModel>();
// Act
Messenger.Default.Send(loadParentFolderEvent);
// Assert
var itemListViewModelMock = mocker.GetMock <ILibraryExplorerItemListViewModel>();
itemListViewModelMock.Verify(x => x.LoadFolderItems(parentFolder), Times.Once);
itemListViewModelMock.Verify(x => x.SelectFolder(new ItemId("Child Folder Id")), Times.Once);
}
private void OnLoadParentFolder(LoadParentFolderEventArgs e)
{
LoadFolder(e.ParentFolder);
ItemListViewModel.SelectFolder(e.ChildFolderId);
}
