public void HandleStateForMultipleComponents()
{
var fakeComponent1 = Moq.Mock.Of <IComponent>();
var fakeComponent2 = Moq.Mock.Of <IComponent>();
var service = new HooksService();
var(_, setAge) = service.UseState(12, fakeComponent1);
var(_, setHeight) = service.UseState(197, fakeComponent2);
var(_, setSubscribe) = service.UseState(true, fakeComponent1);
var(_, setIsAdmin) = service.UseState(false, fakeComponent2);
service.ComponentRendered(fakeComponent1);
service.ComponentRendered(fakeComponent2);
setAge(21);
setHeight(175);
var(age, _) = service.UseState(12, fakeComponent1);
var(subscribe, _) = service.UseState(true, fakeComponent1);
var(height, _) = service.UseState(197, fakeComponent2);
var(isAdmin, _) = service.UseState(false, fakeComponent2);
age.Should().Be(21);
subscribe.Should().BeTrue();
height.Should().Be(175);
isAdmin.Should().BeFalse();
}
public void FailIfCalledNotSameNumberOfTimes()
{
var fakeComponent = Moq.Mock.Of <IComponent>();
var service = new HooksService();
service.UseState(0, fakeComponent);
service.UseState("Foo", fakeComponent);
service.ComponentRendered(fakeComponent);
service.UseState(0, fakeComponent);
service.UseState("Foo", fakeComponent);
service.Invoking(s => s.UseState(99, fakeComponent))
.Should().Throw <ArgumentOutOfRangeException>();
}
public void FailIfCalledNotInSameOrder()
{
var fakeComponent = Moq.Mock.Of <IComponent>();
var service = new HooksService();
service.UseState(0, fakeComponent);
service.UseState("Foo", fakeComponent);
service.UseState(99, fakeComponent);
service.ComponentRendered(fakeComponent);
service.UseState(0, fakeComponent);
service.Invoking(s => s.UseState(99, fakeComponent))
.Should().Throw <InvalidCastException>();
}
public void HandleDifferentStateType()
{
const int expectedS1 = 0;
const string expectedS2 = "Foo";
var fakeComponent = Moq.Mock.Of <IComponent>();
var service = new HooksService();
var(s1, _) = service.UseState(expectedS1, fakeComponent);
var(s2, _) = service.UseState(expectedS2, fakeComponent);
s1.Should().Be(expectedS1);
s2.Should().Be(expectedS2);
}
public void ReturnInitialState()
{
const int expectedS1 = 0;
const int expectedS2 = 99;
var fakeComponent = Moq.Mock.Of <IComponent>();
var service = new HooksService();
var(s1, _) = service.UseState(expectedS1, fakeComponent);
var(s2, _) = service.UseState(expectedS2, fakeComponent);
s1.Should().Be(expectedS1);
s2.Should().Be(expectedS2);
}
public void RemoveStateIfComponentDisposed()
{
var fakeComponent = Moq.Mock.Of <IComponent>();
var service = new HooksService();
var(state, setState) = service.UseState(0, fakeComponent);
service.ComponentRendered(fakeComponent);
setState(478);
service.ComponentDisposed(fakeComponent);
var(stateNew, setStateNew) = service.UseState(0, fakeComponent);
stateNew.Should().Be(0);
}
public void ReturnSameStateForEveryRender()
{
const int expectedS3 = 45;
const int expectedS4 = -56;
var fakeComponent = Moq.Mock.Of <IComponent>();
var service = new HooksService();
var(s1, setS1) = service.UseState(0, fakeComponent);
var(s2, setS2) = service.UseState(99, fakeComponent);
service.ComponentRendered(fakeComponent);
setS1(expectedS3);
setS2(expectedS4);
var(s3, _) = service.UseState(0, fakeComponent);
var(s4, _) = service.UseState(99, fakeComponent);
s3.Should().Be(expectedS3);
s4.Should().Be(expectedS4);
}
