public void LoginValidAuthenticationTest ( ) {
//Arrange
loginViewModel = new LoginViewModel (mockStaffMemberDataRepository.Object, mockWebService.Object, mockErrorLog.Object);
mockStaffMemberDataRepository.Setup (m => m.StaffLogin (username, password, mockWebService.Object, mockErrorLog.Object)).ReturnsAsync("");
//Act
Task<String> result = loginViewModel.Login (username, password);
//Assert
Assert.AreEqual ("", result.Result);
}
public LoginPage ()
{
InitializeComponent ();
_viewModel = new LoginViewModel ();
BindingContext = _viewModel;
}