public virtual void BindingShouldBeRegisteredInBindingManager()
{
var target = new object();
IBindingPath path = BindingPath.Create("test");
var bindingManager = new BindingManager();
DataBinding binding = CreateDataBinding(
new BindingSourceAccessorMock { Source = new BindingSourceMock { GetSource = 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 virtual void BindingShouldAddSelfToDataContext()
{
IBindingPath path = BindingPath.Create("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new BindingSourceMock { GetSource = 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 = BindingPath.Create("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new BindingSourceMock { GetSource = 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 virtual void BindingShouldRaiseExceptionEventWhenUpdateTargetThrowException()
{
bool isInvoked = false;
IBindingPath path = BindingPath.Create("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new BindingSourceMock { GetSource = b => new object(), Path = path }
};
var source = new BindingSourceAccessorMock
{
Source = new BindingSourceMock
{
GetSource = b => new object(),
Path = path,
IsValid = b => true
}
};
DataBinding binding = CreateDataBinding(target, source, bindingManager);
target.SetValue = (func, context, arg3) => { throw new TestException(); };
binding.BindingException += (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 = BindingPath.Create("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new BindingSourceMock
{
GetSource = b => new object(),
Path = path
}
};
var source = new BindingSourceAccessorMock
{
Source = new BindingSourceMock
{
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 = BindingPath.Create("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new BindingSourceMock { GetSource = 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 = BindingPath.Create("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new BindingSourceMock { GetSource = 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 = BindingPath.Create("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new BindingSourceMock { GetSource = 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 = BindingPath.Create("test");
var bindingManager = new BindingManager();
var target = new BindingSourceAccessorMock
{
Source = new BindingSourceMock { GetSource = 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();
}
public virtual void BindingShouldThrowExceptionDuplicateIdBehavior()
{
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 };
var second = new BindingBehaviorMock { Id = Guid.Empty, Attach = binding1 => true };
binding.Behaviors.Add(first);
ShouldThrow(() => binding.Behaviors.Add(second));
}