public void CreateInstance_StateTypeDoesNotInheritFromIMptxStateThrowsInvalidOperationException()
{
// Arrange
var stateProvider = new InMemoryMptxStateProvider();
var services = new ServiceCollection();
var serviceProvider = services.BuildServiceProvider();
var instanceContextFactory = new MptxInstanceContextFactory(stateProvider);
var manager = new MptxManager(stateProvider, instanceContextFactory, serviceProvider);
// Act & Assert
var ex = Assert.Throws <ArgumentException>(
() => manager.CreateInstance(typeof(BadFlowModel), contextItems: null));
Assert.Equal($"State type must implement {typeof(IMptxState).FullName}. (Parameter 'stateType')", ex.Message);
}
public void CreateInstance_CreatesNewStateForTypeNotInServices()
{
// Arrange
var stateProvider = new InMemoryMptxStateProvider();
var services = new ServiceCollection();
var serviceProvider = services.BuildServiceProvider();
var instanceContextFactory = new MptxInstanceContextFactory(stateProvider);
var manager = new MptxManager(stateProvider, instanceContextFactory, serviceProvider);
// Act
var instance = manager.CreateInstance(typeof(FlowModel), contextItems: null);
// Assert
Assert.IsType <FlowModel>(instance.State);
}
public void CreateInstance_CreatesNewStateWithDependencies()
{
// Arrange
var stateProvider = new InMemoryMptxStateProvider();
var services = new ServiceCollection();
services.AddSingleton <Dependency>();
var serviceProvider = services.BuildServiceProvider();
var instanceContextFactory = new MptxInstanceContextFactory(stateProvider);
var manager = new MptxManager(stateProvider, instanceContextFactory, serviceProvider);
// Act
var instance = manager.CreateInstance(typeof(FlowModelWithDI), contextItems: null);
// Assert
Assert.IsType <FlowModelWithDI>(instance.State);
}