public void CanExecute_ShouldReturnPredicateValue(
bool expected)
{
//arrange
var sut = new SingleExecutionCanExecuteStrategy <object>(_ => expected);
//act
var actual = sut.CanExecute(null);
//assert
actual.Should().Be(expected);
}
public void CanExecute_WhenCallingExecuting_ShouldReturnFalse(
SingleExecutionCanExecuteStrategy <object> sut)
{
//arrange
sut.NotifyExecuting(null);
//act
var actual = sut.CanExecute(null);
//assert
actual.Should().BeFalse();
}
public void CanExecute_WhenCallingExecutingAndCanExecuteWithAnotherParameter_ShouldReturnFalse(
SingleExecutionCanExecuteStrategy <object> sut,
object parameter)
{
//arrange
sut.NotifyExecuting(null);
//act
var actual = sut.CanExecute(parameter);
//assert
actual.Should().BeFalse();
}
public void CanExecute_WhenCallingWithDifferentParameters_ShouldReturnFalse(
SingleExecutionCanExecuteStrategy <object> sut,
object parameter1,
object parameter2)
{
//arrange
sut.NotifyExecuting(null);
sut.NotifyNotExecuting(parameter1);
//act
var actual = sut.CanExecute(parameter2);
//assert
actual.Should().BeTrue();
}
public void NotifyExecuting_WithNullParameter_ShouldRaiseCanExecuteChanged(
bool isExecuting,
[Frozen]TestScheduler scheduler,
SingleExecutionCanExecuteStrategy<object> sut)
{
//arrange
var observer = scheduler.CreateObserver<Unit>();
sut.CanExecuteChanged.Subscribe(observer);
//act
sut.NotifyExecuting(null);
//assert
observer.Values().Should().HaveCount(1);
}
public void NotifyExecuting_WithNullParameter_ShouldRaiseCanExecuteChanged(
bool isExecuting,
[Frozen] TestScheduler scheduler,
SingleExecutionCanExecuteStrategy <object> sut)
{
//arrange
var observer = scheduler.CreateObserver <Unit>();
sut.CanExecuteChanged.Subscribe(observer);
//act
sut.NotifyExecuting(null);
//assert
observer.Values().Should().HaveCount(1);
}
public void Sut_IsDisposable(
SingleExecutionCanExecuteStrategy <object> sut)
{
sut.Should().BeAssignableTo <IDisposable>();
}
public void Sut_IsCanExecuteStrategy(
SingleExecutionCanExecuteStrategy <object> sut)
{
sut.Should().BeAssignableTo <ICanExecuteStrategy <object> >();
}
public void Sut_IsDisposable(
SingleExecutionCanExecuteStrategy<object> sut)
{
sut.Should().BeAssignableTo<IDisposable>();
}
public void Sut_IsCanExecuteStrategy(
SingleExecutionCanExecuteStrategy<object> sut)
{
sut.Should().BeAssignableTo<ICanExecuteStrategy<object>>();
}
public void CanExecute_WhenCallingWithDifferentParameters_ShouldReturnFalse(
SingleExecutionCanExecuteStrategy<object> sut,
object parameter1,
object parameter2)
{
//arrange
sut.NotifyExecuting(null);
sut.NotifyNotExecuting(parameter1);
//act
var actual = sut.CanExecute(parameter2);
//assert
actual.Should().BeTrue();
}
public void CanExecute_WhenCallingNotExecuting_ShouldReturnFalse(
SingleExecutionCanExecuteStrategy<object> sut)
{
//arrange
sut.NotifyExecuting(null);
sut.NotifyNotExecuting(null);
//act
var actual = sut.CanExecute(null);
//assert
actual.Should().BeTrue();
}
public void CanExecute_WhenCallingExecutingAndCanExecuteWithAnotherParameter_ShouldReturnFalse(
SingleExecutionCanExecuteStrategy<object> sut,
object parameter)
{
//arrange
sut.NotifyExecuting(null);
//act
var actual = sut.CanExecute(parameter);
//assert
actual.Should().BeFalse();
}
public void CanExecute_ShouldReturnPredicateValue(
bool expected)
{
//arrange
var sut = new SingleExecutionCanExecuteStrategy<object>(_ => expected);
//act
var actual = sut.CanExecute(null);
//assert
actual.Should().Be(expected);
}