public void DeleteInstrument_Successful()
{
//Arrange
var options = new DbContextOptionsBuilder <LibraryContext>()
.UseInMemoryDatabase(databaseName: MethodBase.GetCurrentMethod().Name)
.Options;
using var context = new LibraryContext(options);
IInstrumentRepository instrumentRepository = new InstrumentRepository(context);
var instru = new InstrumentTO {
Name = "Saxophone"
};
var instru2 = new InstrumentTO {
Name = "Trumpet"
};
var instru3 = new InstrumentTO {
Name = "Flute"
};
var AddedInstru = instrumentRepository.Add(instru);
var AddedInstru2 = instrumentRepository.Add(instru2);
var AddedInstru3 = instrumentRepository.Add(instru3);
context.SaveChanges();
//Act
var result = instrumentRepository.Delete(AddedInstru);
context.SaveChanges();
//Assert
Assert.AreEqual(2, instrumentRepository.GetAll().Count());
}
private void BtnClearCount_Click(object sender, System.EventArgs e)
{
var instrumentRepository = new InstrumentRepository();
var instruments = instrumentRepository.Get();
foreach (var instrument in instruments)
{
instrumentRepository.Delete(instrument);
}
instrumentRepository.AddDefaultInstrument();
}
public void DeleteInstrument_ProvidingNull_ThrowException()
{
//Arrange
var options = new DbContextOptionsBuilder <LibraryContext>()
.UseInMemoryDatabase(databaseName: MethodBase.GetCurrentMethod().Name)
.Options;
using var context = new LibraryContext(options);
IInstrumentRepository instrumentRepository = new InstrumentRepository(context);
var instrument = new InstrumentTO {
Name = "Saxophone"
};
//Act & Assert
Assert.ThrowsException <ArgumentException>(() => instrumentRepository.Delete(instrument));
}
public async void DeleteSelectedInstrument(Instrument instrument)
{
var existing = await _instrumentRepository.GetInstrumentAsync(instrument.Code);
if (existing == null)
{
return;
}
_instrumentRepository.Delete(existing);
if (await _instrumentRepository.SaveChangesAsync())
{
WindowLoaded();
MessageBox.Show("Deleted Successfully", "Done");
UpdateInstrument = new Instrument();
}
}
