private CommandFactory CreateCommandFactory(
Action <CommandRegistry> commandRegistryConfigurator = null,
Action <CommandServices> commandServicesConfigurator = null,
Action <ScopedObjectRegistry> scopedObjectRegistryConfigurator = null)
{
var nameValidator = new NameValidator();
var descriptorGenerator = new CommandAttributeInspector();
var registry = new CommandRegistry(nameValidator, descriptorGenerator);
if (commandRegistryConfigurator != null)
{
commandRegistryConfigurator.Invoke(registry);
}
var services = new CommandServices();
if (commandServicesConfigurator != null)
{
commandServicesConfigurator.Invoke(services);
}
var sessionObjects = new ScopedObjectRegistry();
sessionObjects.Register <VariableCollection>();
if (scopedObjectRegistryConfigurator != null)
{
scopedObjectRegistryConfigurator.Invoke(sessionObjects);
}
return(new CommandFactory(registry, services, sessionObjects));
}
private Session CreateSession(
Action <ScopedObjectRegistry> sessionObjectsConfigurator = null,
params Type[] commandTypes)
{
var parser = new Parser();
var nameValidator = new NameValidator();
var descriptorGenerator = new CommandAttributeInspector();
var registry = new CommandRegistry(nameValidator, descriptorGenerator);
foreach (var commandType in commandTypes)
{
registry.Register(commandType);
}
var services = new CommandServices();
var scopedObjects = new ScopedObjectRegistry();
scopedObjects.Register <VariableCollection>();
sessionObjectsConfigurator?.Invoke(scopedObjects);
var factory = new CommandFactory(registry, services, scopedObjects);
var variables = scopedObjects.Resolve(typeof(VariableCollection)) as VariableCollection;
var replacer = new VariableReplacer();
var binder = new CommandParameterBinder(registry, replacer, variables);
return(new Session(parser, factory, binder));
}
public void Register_TypeMissingParameterlessConstructor_ThrowsException()
{
// arrange
var sut = new ScopedObjectRegistry();
Action sutAction = () => sut.Register <NoParameterlessConstructorObject>();
// act, assert
var ex = Assert.Throws <InvalidOperationException>(sutAction);
Assert.Contains("Type Chel.UnitTests.SampleObjects.NoParameterlessConstructorObject requires a parameterless constructor", ex.Message);
}
public void Resolve_TypeNotRegistered_ReturnsNull()
{
// arrange
var sut = new ScopedObjectRegistry();
// act
var result = sut.Resolve(typeof(GoodObject));
// assert
Assert.Null(result);
}
public void Ctor_CommandServicesNull_ThrowsException()
{
// arrange
var registry = Substitute.For <ICommandRegistry>();
var scopedObjects = new ScopedObjectRegistry();
Action sutAction = () => new CommandFactory(registry, null, scopedObjects);
// act, assert
var ex = Assert.Throws <ArgumentNullException>(sutAction);
Assert.Equal("commandServices", ex.ParamName);
}
public void Resolve_RegisteredType_ReturnsInstance()
{
// arrange
var sut = new ScopedObjectRegistry();
sut.Register <GoodObject>();
// act
var result = sut.Resolve(typeof(GoodObject));
// assert
Assert.IsType <GoodObject>(result);
}
public void Resolve_RegisteredType_ReturnsSameInstance()
{
// arrange
var sut = new ScopedObjectRegistry();
sut.Register <GoodObject>();
// act
var result1 = sut.Resolve(typeof(GoodObject));
var result2 = sut.Resolve(typeof(GoodObject));
// assert
Assert.Same(result1, result2);
}
public void CreateScope_WhenCalled_IncludesRegisteredTypes()
{
// arrange
var sut = new ScopedObjectRegistry();
sut.Register <GoodObject>();
// act
var scope = sut.CreateScope();
// assert
var result = scope.Resolve(typeof(GoodObject));
Assert.IsType <GoodObject>(result);
}
public void CreateScope_WhenCalled_ExcludesInstances()
{
// arrange
var sut = new ScopedObjectRegistry();
sut.Register <GoodObject>();
var result1 = sut.Resolve(typeof(GoodObject));
// act
var scope = sut.CreateScope();
// assert
var result2 = scope.Resolve(typeof(GoodObject));
Assert.NotSame(result1, result2);
}