public void GetValueShouldReturnValueUsingConverterSourceDoubleSource()
{
bool converterInvoked = false;
var memberMock = new BindingMemberInfoMock
{
Type = typeof(int)
};
CultureInfo culture = CultureInfo.InvariantCulture;
var parameter = new object();
var sourceModel = new BindingSourceModel();
var converterMock = new ValueConverterCoreMock
{
Convert = (o, type, arg3, arg4) =>
{
converterInvoked = true;
o.ShouldEqual(sourceModel.IntProperty.ToString() + sourceModel.ObjectProperty);
type.ShouldEqual(typeof(int));
arg3.ShouldEqual(parameter);
arg4.ShouldEqual(culture);
return int.MaxValue;
}
};
var dataContext = new DataContext
{
{BindingBuilderConstants.Converter, d => converterMock},
{BindingBuilderConstants.ConverterCulture, d => culture},
{BindingBuilderConstants.ConverterParameter, d => parameter}
};
string propertyName = GetMemberPath<BindingSourceModel>(model => model.IntProperty);
var valueAccessor = new MultiBindingSourceAccessor(new[]
{
CreateSource(sourceModel, propertyName),
CreateSource(sourceModel, GetMemberPath(sourceModel, model => model.ObjectProperty)),
},
(context, list) => list[0].ToString() + list[1], dataContext);
valueAccessor.GetValue(memberMock, EmptyContext, true).ShouldEqual(int.MaxValue);
converterInvoked.ShouldBeTrue();
}
public void GetValueShouldReturnValueUsingConverterTarget()
{
bool converterInvoked = false;
var memberMock = new BindingMemberInfoMock
{
Type = typeof(int)
};
CultureInfo culture = CultureInfo.InvariantCulture;
var parameter = new object();
var sourceModel = new BindingSourceModel();
var converterMock = new ValueConverterCoreMock
{
ConvertBack = (o, type, arg3, arg4) =>
{
converterInvoked = true;
o.ShouldEqual(sourceModel.IntProperty);
type.ShouldEqual(typeof(int));
arg3.ShouldEqual(parameter);
arg4.ShouldEqual(culture);
return int.MaxValue;
}
};
var dataContext = new DataContext
{
{BindingBuilderConstants.Converter, d => converterMock},
{BindingBuilderConstants.ConverterCulture, d => culture},
{BindingBuilderConstants.ConverterParameter, d => parameter}
};
string propertyName = GetMemberPath<BindingSourceModel>(model => model.IntProperty);
var valueAccessor = GetAccessor(sourceModel, propertyName, dataContext, false);
valueAccessor.GetValue(memberMock, EmptyContext, true).ShouldEqual(int.MaxValue);
converterInvoked.ShouldBeTrue();
}
public void BuilderShouldUseConverter1()
{
var converter = new ValueConverterCoreMock();
var builder = new BindingBuilder();
builder.Bind(new object(), "test").To("test").WithConverter(converter);
builder.GetData(BindingBuilderConstants.Converter).Invoke(builder).ShouldEqual(converter);
}
public void ParserShouldParseMultiExpressionWithConverter()
{
const string targetPath = "Text";
const string sourcePath1 = "SourceText1";
const string sourcePath2 = "SourceText2";
const string converterName = "TestConverter";
const string binding = "Text $TestConverter(SourceText1, SourceText2)";
var target = new object();
var args = new object[] { "tset", 1 };
var sourceModel = new BindingSourceModel { IntProperty = int.MaxValue };
var bindingMock = new DataBindingMock
{
TargetAccessor = new BindingSourceAccessorMock
{
Source = new BindingSourceMock
{
GetPathMembers = b => new BindingPathMembersMock(this, BindingPath.Create("IntProperty"), new BindingMemberInfo("IntProperty", BindingSourceModel.IntPropertyInfo, typeof(BindingSourceModel)))
}
}
};
var converterMock = new ValueConverterCoreMock
{
Convert = (o, type, arg3, arg4) =>
{
type.ShouldEqual(BindingSourceModel.IntPropertyInfo.PropertyType);
o.ShouldEqual(args[0]);
arg3.ShouldEqual(args[1]);
return sourceModel;
}
};
var provider = new BindingProvider();
var resolver = new BindingResourceResolver();
BindingServiceProvider.ResourceResolver = resolver;
resolver.AddConverter(converterName, converterMock, true);
IBindingParser bindingParser = CreateBindingParser(bindingProvider: provider);
var context = new BindingBuilder(bindingParser.Parse(binding, EmptyContext, target, null).Single());
context.Add(BindingConstants.Binding, bindingMock);
IBindingPath path = context.GetData(BindingBuilderConstants.TargetPath);
path.Path.ShouldEqual(targetPath);
var expression = context.GetData(BindingBuilderConstants.MultiExpression);
expression(context, args).ShouldEqual(sourceModel);
var sources = context.GetData(BindingBuilderConstants.Sources);
BindingSourceShouldBeValidDataContext(target, sources[0].Invoke(context), sourcePath1);
BindingSourceShouldBeValidDataContext(target, sources[1].Invoke(context), sourcePath2);
}
