public void CanExecute_ShouldReturnCorrectValue(
IReactiveValue<object> value,
bool canExecute,
object arg)
{
//arrange
var sut = new ReactiveMvvmCommand<object, object>(o => value, canExecutePredicate: o => canExecute);
//act
var actual = sut.CanExecute(arg);
//assert
actual.Should().Be(canExecute);
}
public void CanExecute_ShouldReturnCorrectValue(
IReactiveValue <object> value,
bool canExecute,
object arg)
{
//arrange
var sut = new ReactiveMvvmCommand <object, object>(o => value, canExecutePredicate: o => canExecute);
//act
var actual = sut.CanExecute(arg);
//assert
actual.Should().Be(canExecute);
}
public void CanExecute_AfterExecutingCommand_ShouldBePreviousState(
object obj)
{
//arrange
var value = ReactiveValue.Return(obj, ImmediateScheduler.Instance);
var sut = new ReactiveMvvmCommand <object, object>(_ => value, canExecutePredicate: o => false);
sut.Execute(null);
//act
var actual = sut.CanExecute(null);
//assert
actual.Should().BeFalse();
}
public void CanExecute_WhenExecutingCommand_ShouldBeFalse(
object obj)
{
//arrange
var canExecuteValues = new List <bool>();
var value = ReactiveValue.Return(obj, ImmediateScheduler.Instance);
var sut = new ReactiveMvvmCommand <object, object>(_ => value);
sut.CanExecuteChanged += (sender, args) => canExecuteValues.Add(sut.CanExecute(null));
//act
sut.Execute(null);
//assert
canExecuteValues.First().Should().BeFalse();
}
public void CanExecute_ShouldBeCalledWithArg(
IReactiveValue <object> value,
object arg)
{
//arrange
object actual = null;
var sut = new ReactiveMvvmCommand <object, object>(o => value, canExecutePredicate: o =>
{
actual = o;
return(true);
});
//act
sut.CanExecute(arg);
//assert
actual.Should().Be(arg);
}
public void CanExecute_ShouldBeCalledWithArg(
IReactiveValue<object> value,
object arg)
{
//arrange
object actual = null;
var sut = new ReactiveMvvmCommand<object, object>(o => value, canExecutePredicate: o =>
{
actual = o;
return true;
});
//act
sut.CanExecute(arg);
//assert
actual.Should().Be(arg);
}
public void CanExecute_AfterExecutingCommand_ShouldBePreviousState(
object obj)
{
//arrange
var value = ReactiveValue.Return(obj, ImmediateScheduler.Instance);
var sut = new ReactiveMvvmCommand<object, object>(_ => value, canExecutePredicate: o => false);
sut.Execute(null);
//act
var actual = sut.CanExecute(null);
//assert
actual.Should().BeFalse();
}
public void CanExecute_WhenExecutingCommand_ShouldBeFalse(
object obj)
{
//arrange
var canExecuteValues = new List<bool>();
var value = ReactiveValue.Return(obj, ImmediateScheduler.Instance);
var sut = new ReactiveMvvmCommand<object, object>(_ => value);
sut.CanExecuteChanged += (sender, args) => canExecuteValues.Add(sut.CanExecute(null));
//act
sut.Execute(null);
//assert
canExecuteValues.First().Should().BeFalse();
}
