public virtual void BindingShouldBeRegisteredInBindingManager()
{
var target = new object();
IBindingPath path = new BindingPath("test");
var bindingManager = new BindingManager();
DataBinding binding = CreateDataBinding(
new BindingSourceAccessorMock { Source = new ObserverMock { GetActualSource = b => target, Path = path } },
new BindingSourceAccessorMock(), bindingManager);
bindingManager.Register(target, path.Path, binding);
bindingManager.GetBindings(target).Single().ShouldEqual(binding);
bindingManager.GetBindings(target, path.Path).Single().ShouldEqual(binding);
}
public static IBindingPath Create([NotNull] string path)
{
lock (Cache)
{
IBindingPath value;
if (!Cache.TryGetValue(path, out value))
{
value = new BindingPath(path);
Cache[path] = value;
}
return(value);
}
}
public virtual void BindingShouldAddSelfToDataContext()
{
IBindingPath path = new BindingPath("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new ObserverMock { GetActualSource = b => new object(), Path = path }
};
var source = new BindingSourceAccessorMock();
DataBinding binding = CreateDataBinding(target, source, bindingManager);
var dataContext = binding.Context;
dataContext.Count.ShouldEqual(1);
dataContext.GetData(BindingConstants.Binding).ShouldEqual(binding);
}
public virtual void BindingShouldCorrectInitializeProperties()
{
IBindingPath path = new BindingPath("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new ObserverMock { GetActualSource = b => new object(), Path = path }
};
var source = new BindingSourceAccessorMock();
DataBinding binding = CreateDataBinding(target, source, bindingManager);
binding.TargetAccessor.ShouldEqual(target);
binding.SourceAccessor.ShouldEqual(source);
binding.Behaviors.ShouldBeEmpty();
}
public static IBindingPath Create([NotNull] string path, bool useCache = true)
{
if (!useCache)
{
return(new BindingPath(path));
}
lock (Cache)
{
IBindingPath value;
if (!Cache.TryGetValue(path, out value))
{
value = new BindingPath(path);
if (Cache.Count > 300)
{
while (Cache.Count != 250)
{
Cache.Remove(Cache.FirstOrDefault().Key);
}
}
Cache[path] = value;
}
return(value);
}
}
private static IBindingPath BindingPathFactoryImpl(string path)
{
lock (BindingPathCache)
{
IBindingPath value;
if (!BindingPathCache.TryGetValue(path, out value))
{
value = new BindingPath(path);
BindingPathCache[path] = value;
}
return value;
}
}
public static IBindingPath Create([NotNull]string path, bool useCache = true)
{
if (!useCache)
return new BindingPath(path);
lock (Cache)
{
IBindingPath value;
if (!Cache.TryGetValue(path, out value))
{
value = new BindingPath(path);
if (Cache.Count > 300)
{
while (Cache.Count != 250)
Cache.Remove(Cache.FirstOrDefault().Key);
}
Cache[path] = value;
}
return value;
}
}
public virtual void BindingShouldRaiseExceptionEventWhenUpdateTargetThrowException()
{
bool isInvoked = false;
IBindingPath path = new BindingPath("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new ObserverMock { GetActualSource = b => new object(), Path = path }
};
var source = new BindingSourceAccessorMock
{
Source = new ObserverMock
{
GetActualSource = b => new object(),
Path = path,
IsValid = b => true
}
};
DataBinding binding = CreateDataBinding(target, source, bindingManager);
target.SetValue = (func, context, arg3) => { throw new TestException(); };
binding.BindingUpdated += (sender, args) =>
{
args.Action.ShouldEqual(BindingAction.UpdateTarget);
args.Exception.InnerException.ShouldBeType<TestException>();
isInvoked = true;
};
binding.UpdateTarget();
isInvoked.ShouldBeTrue();
}
public virtual void BindingShouldUpdateTargetWithBindingContext()
{
bool isInvoked = false;
IBindingPath path = new BindingPath("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new ObserverMock
{
GetActualSource = b => new object(),
Path = path
}
};
var source = new BindingSourceAccessorMock
{
Source = new ObserverMock
{
IsValid = b => true
}
};
DataBinding binding = CreateDataBinding(target, source, bindingManager);
target.SetValue = (func, context, arg3) =>
{
context.ShouldEqual(binding.Context);
arg3.ShouldBeTrue();
isInvoked = true;
return true;
};
binding.UpdateTarget();
isInvoked.ShouldBeTrue();
}
public virtual void BindingShouldCallAttachDetachMethodInBehavior()
{
IBindingPath path = new BindingPath("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new ObserverMock { GetActualSource = b => new object(), Path = path }
};
var source = new BindingSourceAccessorMock();
DataBinding binding = CreateDataBinding(target, source, bindingManager);
int countAttach = 0;
int countDetach = 0;
var first = new BindingBehaviorMock
{
Id = Guid.Empty,
Attach = binding1 =>
{
countAttach++;
return true;
},
Detach = binding1 => countDetach++
};
binding.Behaviors.Add(first);
countAttach.ShouldEqual(1);
countDetach.ShouldEqual(0);
binding.Behaviors.Remove(first);
countAttach.ShouldEqual(1);
countDetach.ShouldEqual(1);
}
public virtual void BindingShouldNotAddBehaviorIfAttachReturnsFalse()
{
IBindingPath path = new BindingPath("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new ObserverMock { GetActualSource = b => new object(), Path = path }
};
var source = new BindingSourceAccessorMock();
DataBinding binding = CreateDataBinding(target, source, bindingManager);
var first = new BindingBehaviorMock
{
Id = Guid.Empty,
Attach = binding1 => false
};
binding.Behaviors.Add(first);
binding.Behaviors.Count.ShouldEqual(0);
binding.Behaviors.Contains(first).ShouldBeFalse();
}
public virtual void BindingShouldNotAddSameBehavior()
{
IBindingPath path = new BindingPath("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new ObserverMock { GetActualSource = b => new object(), Path = path }
};
var source = new BindingSourceAccessorMock();
DataBinding binding = CreateDataBinding(target, source, bindingManager);
var first = new BindingBehaviorMock
{
Id = Guid.Empty,
Attach = binding1 => true
};
binding.Behaviors.Add(first);
ShouldThrow(() => binding.Behaviors.Add(first));
}
public virtual void BindingShouldRaiseEventWhenUpdateSourceFalse()
{
bool isInvoked = false;
IBindingPath path = new BindingPath("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new ObserverMock { GetActualSource = b => new object(), Path = path }
};
var source = new BindingSourceAccessorMock();
DataBinding binding = CreateDataBinding(target, source, bindingManager);
source.SetValue = (func, context, arg3) => false;
binding.BindingUpdated += (sender, args) =>
{
args.Action.ShouldEqual(BindingAction.UpdateSource);
args.Result.ShouldBeFalse();
isInvoked = true;
};
binding.UpdateSource();
isInvoked.ShouldBeTrue();
}
protected virtual IObserver CreateObserver(object source, string path, bool ignoreContext,
IBindingMemberProvider memberProvider = null, IBindingContextManager contextManager = null, bool hasStablePath = false, bool observable = true, bool optional = false)
{
if (memberProvider != null)
BindingServiceProvider.MemberProvider = memberProvider;
if (contextManager != null)
BindingServiceProvider.ContextManager = contextManager;
var bindingPath = new BindingPath(path);
if (bindingPath.IsEmpty)
return new EmptyPathObserver(source, bindingPath);
if (bindingPath.IsSingle)
return new SinglePathObserver(source, bindingPath, ignoreContext, hasStablePath, observable, optional);
return new MultiPathObserver(source, bindingPath, ignoreContext, hasStablePath, observable, optional);
}
