public Behavior CreateBehaviorFrom(FieldInfo behaviorField, Context context)
{
Type behaviorType = behaviorField.FieldType.GetGenericArguments().First();
if(!behaviorType.HasAttribute<BehaviorsAttribute>())
{
throw new SpecificationUsageException("Behaviors require the BehaviorsAttribute on the type containing the Specifications. Attribute is missing from " + behaviorType.FullName);
}
object behaviorInstance = Activator.CreateInstance(behaviorType);
if (behaviorType.GetPrivateFieldsOfType<Establish>().Any())
{
throw new SpecificationUsageException("You cannot have Establishs on Behaviors. Establish found in " + behaviorType.FullName);
}
if (behaviorType.GetPrivateFieldsOfType<Because>().Any())
{
throw new SpecificationUsageException("You cannot have Becauses on Behaviors. Because found in " + behaviorType.FullName);
}
if (behaviorType.GetPrivateFieldsWith(typeof(Behaves_like<>)).Any())
{
throw new SpecificationUsageException("You cannot nest Behaviors. Nested Behaviors found in " + behaviorType.FullName);
}
var isIgnored = behaviorField.HasAttribute<IgnoreAttribute>() ||
behaviorInstance.GetType().HasAttribute<IgnoreAttribute>();
var behavior = new Behavior(behaviorInstance, context, isIgnored);
IEnumerable<FieldInfo> itFieldInfos = behaviorType.GetPrivateFieldsOfType<It>();
CreateBehaviorSpecifications(itFieldInfos, behavior);
return behavior;
}
public Specification CreateSpecificationFromBehavior(Behavior behavior, FieldInfo specificationField)
{
bool isIgnored = behavior.IsIgnored || specificationField.HasAttribute<IgnoreAttribute>();
Then then = (Then) specificationField.GetValue(behavior.Instance);
string name = specificationField.Name.ToFormat();
return new BehaviorSpecification(name, then, isIgnored, specificationField, behavior.Context, behavior);
}
public Specification CreateSpecificationFromBehavior(Behavior behavior, FieldInfo specificationField)
{
bool isIgnored = behavior.IsIgnored || specificationField.HasAttribute(new IgnoreAttributeFullName());
var it = (Delegate) specificationField.GetValue(behavior.Instance);
string name = specificationField.Name.ToFormat();
return new BehaviorSpecification(name, specificationField.FieldType, it, isIgnored, specificationField, behavior.Context, behavior);
}
public Specification CreateSpecificationFromBehavior(Behavior behavior, FieldInfo specificationField)
{
bool isIgnored = behavior.IsIgnored || specificationField.HasAttribute<IgnoreAttribute>();
It it = (It) specificationField.GetValue(behavior.Instance);
string name = specificationField.Name.ReplaceUnderscores();
return new BehaviorSpecification(name, it, isIgnored, specificationField, behavior.Context, behavior);
}
void CreateBehaviorSpecifications(IEnumerable<FieldInfo> itFieldInfos,
Behavior behavior)
{
foreach (var itFieldInfo in itFieldInfos)
{
Specification specification = _specificationFactory.CreateSpecificationFromBehavior(behavior,
itFieldInfo);
behavior.AddSpecification(specification);
}
}
public BehaviorSpecification(string name,
It it,
bool isIgnored,
FieldInfo fieldInfo,
Context context,
Behavior behavior)
: base(name, it, isIgnored, fieldInfo)
{
_contextInstance = context.Instance;
_behaviorInstance = behavior.Instance;
_mapper = new ConventionMapper();
}
public Behavior CreateBehaviorFrom(FieldInfo behaviorField, Context context)
{
var behaviorType = behaviorField.FieldType.GetGenericArguments().First();
EnsureBehaviorHasBehaviorsAttribute(behaviorType);
EnsureBehaviorDoesNotHaveFrameworkFieldsExceptIt(behaviorType);
var behaviorInstance = Activator.CreateInstance(behaviorType);
EnsureAllBehaviorFieldsAreInContext(behaviorType, context);
var isIgnored = behaviorField.HasAttribute<IgnoreAttribute>() ||
behaviorInstance.GetType().HasAttribute<IgnoreAttribute>();
var behavior = new Behavior(behaviorInstance, context, isIgnored);
var itFieldInfos = behaviorType.GetInstanceFieldsOfType<Then>();
CreateBehaviorSpecifications(itFieldInfos, behavior);
return behavior;
}
