public void UnsupportedReplaceFactoryTest()
{
// - Arrange
var registry = new ScreenRegistry();
var screenStack = new ScreenStack();
var specs = new NavigatorSpecification(false, false, false);
var screenA = new Mock <Screen>().Object;
var screenB = new ScreenStub();
var screenBResolver = new Mock <IScreenResolver>().Object;
registry.Register(typeof(ScreenStub), screenBResolver);
screenStack.Push(screenB, screenA, screenA);
var cf = new DefaultCommandsFactory(registry);
// - Act
var commands = cf.ReplaceScreen(screenStack, specs, screenB);
// - Assert
Assert.AreEqual(2, commands.Count);
Assert.IsInstanceOf <BackNavCommand>(
commands.ElementAtOrDefault(0));
Assert.IsInstanceOf <ForwardNavCommand>(
commands.ElementAtOrDefault(1));
}
public void RegisterRootScreen()
{
// - Arrange
var screenClass = typeof(ScreenStub);
var screenResolver = new Mock <IScreenResolver>().Object;
var screenRegistry = new ScreenRegistry();
// - Act
screenRegistry.Register(screenClass, screenResolver).AsRoot();
// - Assert
Assert.IsFalse(screenRegistry.IsEmpty);
Assert.AreSame(screenClass, screenRegistry.RootScreenClass !.Value.Type);
Assert.IsTrue(screenRegistry.HasScreen(screenClass));
}
public void RegisterScreenTest()
{
// - Arrange
var screenClass = typeof(ScreenStub);
var screenResolver = new Mock <IScreenResolver>().Object;
var screenRegistry = new ScreenRegistry();
// - Act
screenRegistry.Register(screenClass, screenResolver);
// - Assert
Assert.IsFalse(screenRegistry.IsEmpty);
Assert.IsNull(screenRegistry.RootScreenClass);
Assert.IsTrue(screenRegistry.HasScreen(screenClass));
}
public void ResolveScreenFromRegistryTest()
{
// - Arrange
var screenClass = typeof(ScreenStub);
var screen = new ScreenStub();
var screenResolver = new Mock <IScreenResolver>().Object;
var screenRegistry = new ScreenRegistry();
screenRegistry.Register(screenClass, screenResolver);
// - Act
var entry = screenRegistry.Resolve(screen);
// - Assert
Assert.IsNotNull(entry);
Assert.AreSame(screenResolver, entry.Resolver);
Assert.IsFalse(entry.IsRoot);
}
public void ForwardFactoryTest()
{
// - Arrange
var screen = new ScreenStub();
var resolver = new Mock <IScreenResolver>().Object;
var registry = new ScreenRegistry();
registry.Register(typeof(ScreenStub), resolver);
var cf = new DefaultCommandsFactory(registry);
// - Act
var commands = cf.Forward(screen);
// - Assert
Assert.AreEqual(1, commands.Count);
var command = commands.FirstOrDefault();
Assert.IsNotNull(command);
Assert.IsInstanceOf <ForwardNavCommand>(command);
}
public void SupportedReplaceFactoryTest()
{
// - Arrange
var registry = new ScreenRegistry();
var screenStack = new ScreenStack();
var specs = new NavigatorSpecification(false, false, true);
var screenA = new Mock <Screen>().Object;
var screenB = new ScreenStub();
var screenBResolver = new Mock <IScreenResolver>().Object;
registry.Register(typeof(ScreenStub), screenBResolver);
screenStack.Push(screenB, screenA, screenA);
var cf = new DefaultCommandsFactory(registry);
// - Act
var commands = cf.ReplaceScreen(screenStack, specs, screenB);
// - Assert
Assert.AreEqual(1, commands.Count);
CollectionAssert.AllItemsAreInstancesOfType(commands, typeof(ReplaceScreenNavCommand));
}