public void BuilderShouldUseElementSourceForParameter2()
{
const string name = "name";
var builder = new BindingBuilder();
var targetObj = new BindingSourceModel { ObjectProperty = "test" };
var relativeObj = new BindingSourceModel();
bool isInvoked = false;
IEventListener eventListener = null;
var memberMock = new BindingMemberInfoMock
{
TryObserveMember = (o, listener) =>
{
eventListener = listener;
return null;
}
};
var treeManagerMock = new VisualTreeManagerMock
{
FindByName = (o, s) =>
{
o.ShouldEqual(targetObj);
s.ShouldEqual(name);
isInvoked = true;
return relativeObj;
},
GetRootMember = type => memberMock
};
BindingServiceProvider.VisualTreeManager = treeManagerMock;
builder.Bind(targetObj, "empty").To<BindingSourceModel>(() => model => model.IntProperty)
.WithCommandParameter(() => model => BindingSyntaxEx.Element<BindingSourceModel>(name).ObjectProperty);
builder.GetData(BindingBuilderConstants.CommandParameter).Invoke(builder).ShouldEqual(relativeObj.ObjectProperty);
isInvoked.ShouldBeTrue();
isInvoked = false;
eventListener.ShouldNotBeNull();
eventListener.Handle(this, EventArgs.Empty);
isInvoked.ShouldBeTrue();
}
public void BuilderShouldUseElementSource2()
{
const string name = "name";
var builder = new BindingBuilder();
var targetObj = new BindingSourceModel { ObjectProperty = "test" };
var relativeObj = new BindingSourceModel();
bool isInvoked = false;
IEventListener eventListener = null;
var memberMock = new BindingMemberInfoMock
{
TryObserveMember = (o, listener) =>
{
eventListener = listener;
return null;
}
};
var treeManagerMock = new VisualTreeManagerMock
{
FindByName = (o, s) =>
{
o.ShouldEqual(targetObj);
s.ShouldEqual(name);
isInvoked = true;
return relativeObj;
},
GetRootMember = type => memberMock
};
BindingServiceProvider.VisualTreeManager = treeManagerMock;
builder.Bind(targetObj, "empty").To<BindingSourceModel>(() => model => BindingSyntaxEx.Element<BindingSourceModel>(name).ObjectProperty);
var source = builder.GetData(BindingBuilderConstants.Sources).Single().Invoke(builder);
builder.GetData(BindingBuilderConstants.MultiExpression).ShouldBeNull();
source.Path.Path.ShouldEqual(GetMemberPath(targetObj, model => model.ObjectProperty));
source.GetSource(true).ShouldEqual(relativeObj);
var pathMembers = source.GetPathMembers(true);
pathMembers.LastMember.GetValue(pathMembers.PenultimateValue, null).ShouldEqual(relativeObj.ObjectProperty);
isInvoked.ShouldBeTrue();
isInvoked = false;
eventListener.ShouldNotBeNull();
eventListener.Handle(this, EventArgs.Empty);
isInvoked.ShouldBeTrue();
}
public void ResolverShouldRegisterAndResolveDynamicObjectTarget()
{
string name = BindingServiceProvider.ResourceResolver.RootElementResourceName;
const string firstValue = "1";
var visualTreeManagerMock = new VisualTreeManagerMock();
BindingServiceProvider.VisualTreeManager = visualTreeManagerMock;
var rootMember = AttachedBindingMember.CreateAutoProperty<object, object>("root");
visualTreeManagerMock.GetRootMember = type => rootMember;
var target = new object();
rootMember.SetValue(target, target);
var dataContext = new DataContext
{
{BindingBuilderConstants.Target, target}
};
var source = new BindingResourceObject(firstValue);
var resolver = CreateBindingResourceResolver();
bool isInvoked = false;
var value = resolver.ResolveObject(name, dataContext, false);
value.Value.ShouldEqual(target);
value.ValueChanged += (sender, args) => isInvoked = true;
resolver.AddObject(name, source, true);
value.Value.ShouldEqual(firstValue);
isInvoked.ShouldBeTrue();
}
public void BuilderShouldUseRelativeSourceForParameter2()
{
const uint level = 10u;
var builder = new BindingBuilder();
var targetObj = new BindingSourceModel { ObjectProperty = "test" };
var relativeObj = new BindingSourceModel();
bool isInvoked = false;
IEventListener eventListener = null;
var memberMock = new BindingMemberInfoMock
{
TryObserveMember = (o, listener) =>
{
eventListener = listener;
return null;
}
};
var treeManagerMock = new VisualTreeManagerMock
{
FindRelativeSource = (o, s, arg3) =>
{
o.ShouldEqual(targetObj);
s.ShouldEqual(typeof(BindingSourceModel).AssemblyQualifiedName);
arg3.ShouldEqual(level);
isInvoked = true;
return relativeObj;
},
GetRootMember = type => memberMock
};
BindingServiceProvider.VisualTreeManager = treeManagerMock;
builder.Bind(targetObj, "empty").To<BindingSourceModel>(() => model => model.IntProperty)
.WithCommandParameter(() => model => BindingSyntaxEx.Relative<BindingSourceModel>(level).ObjectProperty);
var func = builder.GetData(BindingBuilderConstants.CommandParameter);
func(builder).ShouldEqual(relativeObj.ObjectProperty);
isInvoked.ShouldBeTrue();
isInvoked = false;
eventListener.ShouldNotBeNull();
eventListener.Handle(this, EventArgs.Empty);
isInvoked.ShouldBeTrue();
}
public void ParserShouldParseElementSourceExpression3()
{
bool isInvoked = false;
const string targetPath = "Text";
const string sourcePath = "StringProperty";
const string sourceName = "type";
const string binding = "Text $Element(type).StringProperty";
var target = new BindingSourceModel();
var relativeObj = new BindingSourceModel();
IEventListener eventListener = null;
var memberMock = new BindingMemberInfoMock
{
TryObserveMember = (o, listener) =>
{
eventListener = listener;
return null;
}
};
var providerMock = new ObserverProviderMock
{
Observe = (o, p, arg3) => new MultiPathObserver(o, p, arg3)
};
var treeManagerMock = new VisualTreeManagerMock
{
FindByName = (o, s) =>
{
o.ShouldEqual(target);
s.ShouldEqual(sourceName);
isInvoked = true;
return relativeObj;
},
GetRootMember = type => memberMock
};
IBindingParser bindingParser = CreateBindingParser(treeManagerMock, null, providerMock);
var context = new BindingBuilder(bindingParser.Parse(binding, EmptyContext, target, null).Single());
IBindingPath path = context.GetData(BindingBuilderConstants.TargetPath);
path.Path.ShouldEqual(targetPath);
var sources = context.GetData(BindingBuilderConstants.Sources);
IBindingSource source = sources.Single().Invoke(context);
source.Path.Path.ShouldContain(sourcePath);
isInvoked.ShouldBeTrue();
isInvoked = false;
eventListener.ShouldNotBeNull();
eventListener.Handle(this, EventArgs.Empty);
isInvoked.ShouldBeTrue();
}
public void ResolverShouldResolveRootMember()
{
string name = BindingServiceProvider.ResourceResolver.RootElementResourceName;
var visualTreeManagerMock = new VisualTreeManagerMock();
BindingServiceProvider.VisualTreeManager = visualTreeManagerMock;
var rootMember = AttachedBindingMember.CreateAutoProperty<object, object>(name);
visualTreeManagerMock.GetRootMember = type => rootMember;
var target = new object();
var dataContext = new DataContext
{
{BindingBuilderConstants.Target, target}
};
var resolver = CreateBindingResourceResolver();
var value = resolver.ResolveObject(name, dataContext, false);
value.Value.ShouldBeNull();
rootMember.SetValue(target, target);
value.Value.ShouldEqual(target);
}
public void ManagerShouldRaiseEventWhenParentChanged()
{
bool contextChanged = false;
var context = new object();
IEventListener eventListener = null;
var memberMock = new BindingMemberInfoMock
{
TryObserveMember = (o, listener) =>
{
eventListener = listener;
return null;
}
};
var managerMock = new VisualTreeManagerMock
{
FindParent = o => null,
GetParentMember = type =>
{
type.ShouldEqual(context.GetType());
return memberMock;
}
};
var manager = CreateContextManager(managerMock);
var bindingContext = manager.GetBindingContext(context);
bindingContext.ValueChanged += (sender, args) => contextChanged = true;
eventListener.ShouldNotBeNull();
eventListener.Handle(this, EventArgs.Empty);
contextChanged.ShouldBeTrue();
}
public void ManagerShouldRaiseEventWhenDataContextChangedNotExplicit()
{
bool contextChanged = false;
var context = new object();
var managerMock = new VisualTreeManagerMock
{
FindParent = o => null,
GetParentMember = type => null
};
var manager = CreateContextManager(managerMock);
var bindingContext = manager.GetBindingContext(context);
bindingContext.ValueChanged += (sender, args) => contextChanged = true;
bindingContext.Value = context;
contextChanged.ShouldBeTrue();
}
public void ManagerShouldNotUpdateContextWhenParentChangedIfHasValue()
{
bool isFindParentInvoked = false;
var context = new object();
IEventListener eventListener = null;
var memberMock = new BindingMemberInfoMock
{
TryObserveMember = (o, listener) =>
{
eventListener = listener;
return null;
}
};
var managerMock = new VisualTreeManagerMock
{
FindParent = o =>
{
o.ShouldEqual(context);
isFindParentInvoked = true;
return null;
},
GetParentMember = type =>
{
type.ShouldEqual(context.GetType());
return memberMock;
}
};
var manager = CreateContextManager(managerMock);
var bindingContext = manager.GetBindingContext(context);
isFindParentInvoked.ShouldBeTrue();
bindingContext.Value.ShouldBeNull();
isFindParentInvoked = false;
bindingContext.Value = context;
eventListener.ShouldNotBeNull();
eventListener.Handle(this, EventArgs.Empty);
isFindParentInvoked.ShouldBeFalse();
}
public void ManagerShouldUseParentBindingContextIfItHasNotExplicit()
{
bool isFindParentInvoked = false;
bool isObserveParentInvoked = false;
var context = new object();
var memberMock = new BindingMemberInfoMock
{
TryObserveMember = (o, listener) =>
{
o.ShouldEqual(context);
isObserveParentInvoked = true;
return null;
}
};
var managerMock = new VisualTreeManagerMock
{
FindParent = o =>
{
o.ShouldEqual(context);
isFindParentInvoked = true;
return null;
},
GetParentMember = type =>
{
type.ShouldEqual(context.GetType());
return memberMock;
}
};
var manager = CreateContextManager(managerMock);
var bindingContext = manager.GetBindingContext(context);
isFindParentInvoked.ShouldBeTrue();
isObserveParentInvoked.ShouldBeTrue();
bindingContext.Value.ShouldBeNull();
}
public void BuilderShouldUseRelativeSource1()
{
var builder = new BindingBuilder();
var targetObj = new BindingSourceModel { ObjectProperty = "test" };
var relativeObj = new BindingSourceModel();
bool isInvoked = false;
IEventListener eventListener = null;
var memberMock = new BindingMemberInfoMock
{
TryObserveMember = (o, listener) =>
{
eventListener = listener;
return null;
}
};
var treeManagerMock = new VisualTreeManagerMock
{
FindRelativeSource = (o, s, arg3) =>
{
o.ShouldEqual(targetObj);
s.ShouldEqual(typeof(BindingSourceModel).AssemblyQualifiedName);
arg3.ShouldEqual(1u);
isInvoked = true;
return relativeObj;
},
GetRootMember = type => memberMock
};
BindingServiceProvider.VisualTreeManager = treeManagerMock;
builder.Bind(targetObj, "empty").To<BindingSourceModel>(() => (model, ctx) => ctx.Relative<BindingSourceModel>());
var source = builder.GetData(BindingBuilderConstants.Sources).Single().Invoke(builder);
builder.GetData(BindingBuilderConstants.MultiExpression).ShouldBeNull();
source.Path.Path.IsEmpty().ShouldBeTrue();
source.GetActualSource(true).ShouldEqual(relativeObj);
var pathMembers = source.GetPathMembers(true);
pathMembers.LastMember.GetValue(pathMembers.PenultimateValue, null).ShouldEqual(relativeObj);
isInvoked.ShouldBeTrue();
isInvoked = false;
eventListener.ShouldNotBeNull();
eventListener.Handle(this, EventArgs.Empty);
isInvoked.ShouldBeTrue();
}
