public void ApplyTo_SetterDoesNotRaiseEvent_False()
{
IRaisingSubject raising = Substitute.For <IRaisingSubject>();
var subject = new PropertyChangedConstraint <IRaisingSubject>(raising, r => r.I);
Assert.That(matches(subject, () => raising.I = 3), Is.False);
}
public void ApplyTo_SetterDoesNotRaiseEvent_True()
{
IRaisingSubject raising = Substitute.For <IRaisingSubject>();
var subject = new NoPropertyChangingConstraint <IRaisingSubject>(raising);
Assert.That(matches(subject, () => raising.I = 3), Is.True);
}
public void CanBeCreatedWithExtension()
{
IRaisingSubject raising = Substitute.For <IRaisingSubject>();
raising.When(r => r.I = Arg.Any <int>())
.Do(i => raising.PropertyChanging += Raise.Event <PropertyChangingEventHandler>(raising, new PropertyChangingEventArgs("I")));
Assert.That(() => raising.I = 3, Must.Raise.PropertyChanging(raising, r => r.I));
}
public void CanBeNewedUp()
{
IRaisingSubject raising = Substitute.For <IRaisingSubject>();
raising.When(r => r.I = Arg.Any <int>())
.Do(i => raising.PropertyChanging += Raise.Event <PropertyChangingEventHandler>(raising, new PropertyChangingEventArgs("I")));
Assert.That(() => raising.I = 3, new PropertyChangingConstraint <IRaisingSubject>(raising, r => r.I));
}
public void WriteDescriptionTo_SetterDoesNotRaiseEvent_ExpectationWithEvent_PropertyName_ActualWithEventNotRaised()
{
IRaisingSubject raising = Substitute.For <IRaisingSubject>();
var subject = new PropertyChangedConstraint <IRaisingSubject>(raising, r => r.I);
Assert.That(getMessage(subject, () => raising.I = 3),
Does.StartWith(TextMessageWriter.Pfx_Expected + "raise event 'PropertyChanged'").And
.Contain("PropertyName equal to \"I\"").And
.Contain(TextMessageWriter.Pfx_Actual + "event 'PropertyChanged' not raised"));
}
public void ApplyTo_RightPropertyName_True()
{
IRaisingSubject raising = Substitute.For <IRaisingSubject>();
raising.When(r => r.I = Arg.Any <int>())
.Do(i => raising.PropertyChanging += Raise.Event <PropertyChangingEventHandler>(raising, new PropertyChangingEventArgs("I")));
var subject = new PropertyChangingConstraint <IRaisingSubject>(raising, r => r.I);
Assert.That(matches(subject, () => raising.I = 3), Is.True);
}
public void ApplyTo_WrongPropertyName_False()
{
IRaisingSubject raising = Substitute.For <IRaisingSubject>();
raising
.When(r => r.I = Arg.Any <int>())
.Do(ci => raising.PropertyChanged += Raise.Event <PropertyChangedEventHandler>(raising, new PropertyChangedEventArgs("Wrong")));
var subject = new PropertyChangedConstraint <IRaisingSubject>(raising, r => r.I);
Assert.That(matches(subject, () => raising.I = 3), Is.False);
}
public void ApplyTo_SetterRaisesEvent_False()
{
IRaisingSubject raising = Substitute.For <IRaisingSubject>();
raising
.When(r => r.I = Arg.Any <int>())
.Do(ci => raising.PropertyChanging += Raise.Event <PropertyChangingEventHandler>(raising, new PropertyChangingEventArgs("anything")));
var subject = new NoPropertyChangingConstraint <IRaisingSubject>(raising);
Assert.That(matches(subject, () => raising.I = 3), Is.False);
}
public void WriteDescriptionTo_WrongPropertyName_ActualWithOffendingValue()
{
IRaisingSubject raising = Substitute.For <IRaisingSubject>();
raising.When(r => r.I = Arg.Any <int>())
.Do(i => raising.PropertyChanging += Raise.Event <PropertyChangingEventHandler>(raising, new PropertyChangingEventArgs("Wrong")));
var subject = new PropertyChangingConstraint <IRaisingSubject>(raising, r => r.I);
Assert.That(getMessage(subject, () => raising.I = 3), Does
.Contain(TextMessageWriter.Pfx_Actual + "\"Wrong\""));
}
public void WriteDescriptionTo_RaisesEvent_ExpectationWithEvent_ActualWithEventNotRaised()
{
IRaisingSubject raising = Substitute.For <IRaisingSubject>();
raising
.When(r => r.I = Arg.Any <int>())
.Do(ci => raising.PropertyChanged += Raise.Event <PropertyChangedEventHandler>(raising, new PropertyChangedEventArgs("anything")));
var subject = new NoPropertyChangedConstraint <IRaisingSubject>(raising);
Assert.That(getMessage(subject, () => raising.I = 3),
Does.StartWith(TextMessageWriter.Pfx_Expected + "event 'PropertyChanged' not raised").And
.Contain(TextMessageWriter.Pfx_Actual + "event 'PropertyChanged' raised"));
}