public async void RemoveSelectedSnapshots_ShouldSucceed()
{
// Arrange
SetUp();
var navParams = new SnapshotsViewNavParams {
SnapshotsIdsource = new Location()
};
var thumbnails = new List <SnapshotThumbnail>
{
new SnapshotThumbnail {
Snapshot = _snapshots[0]
},
new SnapshotThumbnail {
Snapshot = _snapshots[1]
},
new SnapshotThumbnail {
Snapshot = _snapshots[2]
}
};
SnapshotsViewModel sit = null;
_snapshotDataService.RemoveSnapshotAsync(Arg.Any <int>())
.Returns(_ =>
{
var tcs = new TaskCompletionSource <LocationSnapshot>();
tcs.SetResult(_snapshots[1]);
return(tcs.Task);
});
_pictureService.RemoveSnapshotContentAsync(Arg.Any <LocationSnapshot>())
.Returns(_ => Task.CompletedTask);
// Act
sit = CreateViewModel();
sit.NavigationParam = navParams;
await sit.OnLoaded();
sit.BeginSelectSnapshot();
sit.SelectedThumbnails = new List <SnapshotThumbnail> {
thumbnails[1]
};
await sit.RemoveSelectedSnapshots();
// Assert
Assert.Equal(2, sit.SnapshotThumbnails.Count);
Assert.DoesNotContain(sit.SnapshotThumbnails.Select(_ => _.Snapshot), _ => _.PictureFileName == "Barcelona_2.jpg");
await _snapshotDataService.Received().RemoveSnapshotAsync(_snapshots[1].Id);
await _pictureService.Received().RemoveSnapshotContentAsync(_snapshots[1]);
}
public MainWindow()
{
InitializeComponent();
DataContext = new SnapshotsViewModel();
}
