public void UpdateExpenseCommand()
{
var navigationService = new Mock <INavigationService>();
var referExpense = new Mock <IReferExpense>();
var expenses = new ObservableCollection <Expense>();
referExpense.Setup(m => m.Expenses).Returns(new ReadOnlyObservableCollection <Expense>(expenses));
var actual = new ExpenseListPageViewModel(navigationService.Object, referExpense.Object);
Assert.NotNull(actual.UpdateExpenseCommand);
Assert.True(actual.UpdateExpenseCommand.CanExecute());
var isCalled = false;
navigationService
.Setup(m => m.NavigateAsync("AddExpensePage", It.IsAny <NavigationParameters>(), null, true))
.Returns(Task.CompletedTask)
.Callback <string, NavigationParameters, bool?, bool>(
(path, navigationParameters, useModalNavigation, animated) =>
{
isCalled = true;
Assert.NotNull(navigationParameters);
Assert.Equal(1, navigationParameters.Count);
Assert.True(navigationParameters.ContainsKey(AddExpensePageViewModel.ExpenseIdKey));
Assert.Equal("expenseId", navigationParameters[AddExpensePageViewModel.ExpenseIdKey]);
});
actual.UpdateExpenseCommand.Execute(new Expense {
Id = "expenseId"
});
Assert.True(isCalled);
}
public void ExpensesProperty()
{
ReactivePropertyScheduler.SetDefault(CurrentThreadScheduler.Instance);
var navigationService = new Mock <INavigationService>();
var referExpense = new Mock <IReferExpense>();
var expenses = new ObservableCollection <Expense>();
referExpense.Setup(m => m.Expenses).Returns(new ReadOnlyObservableCollection <Expense>(expenses));
var actual = new ExpenseListPageViewModel(navigationService.Object, referExpense.Object);
var expense = new Expense();
expenses.Add(expense);
Assert.Equal(1, actual.Expenses.Count);
Assert.Equal(expense, actual.Expenses[0]);
expenses.Clear();
Assert.Equal(0, actual.Expenses.Count);
actual.Destroy();
expenses.Add(expense);
Assert.Equal(0, actual.Expenses.Count);
}
public void OnNavigatingTo()
{
var navigationService = new Mock <INavigationService>();
var referExpense = new Mock <IReferExpense>();
var expenses = new ObservableCollection <Expense>();
referExpense.Setup(m => m.Expenses).Returns(new ReadOnlyObservableCollection <Expense>(expenses));
var actual = new ExpenseListPageViewModel(navigationService.Object, referExpense.Object);
actual.OnNavigatingTo(null);
}
public void Constructor()
{
var navigationService = new Mock <INavigationService>();
var referExpense = new Mock <IReferExpense>();
referExpense.Setup(m => m.Expenses)
.Returns(new ReadOnlyObservableCollection <Expense>(new ObservableCollection <Expense>()));
var actual = new ExpenseListPageViewModel(navigationService.Object, referExpense.Object);
Assert.NotNull(actual.Expenses);
Assert.Equal(0, actual.Expenses.Count);
}
public void AddExpenseCommand()
{
var navigationService = new Mock <INavigationService>();
var referExpense = new Mock <IReferExpense>();
var expenses = new ObservableCollection <Expense>();
referExpense.Setup(m => m.Expenses).Returns(new ReadOnlyObservableCollection <Expense>(expenses));
var actual = new ExpenseListPageViewModel(navigationService.Object, referExpense.Object);
Assert.NotNull(actual.AddExpenseCommand);
Assert.True(actual.AddExpenseCommand.CanExecute());
actual.AddExpenseCommand.Execute(null);
navigationService.Verify(m => m.NavigateAsync("AddExpensePage", null, null, true), Times.Once);
}
