/// <summary>
/// Get data stored in current view for given key and type.
/// If no matching data are found, new data is created via provider.
/// </summary>
/// <typeparam name="T">Type of searched data</typeparam>
/// <param name="key">Key of data - because multiple sources can store data with same type</param>
/// <param name="provider">Provider used for data creation</param>
/// <returns>Stored data, created data, or null if the data is not found and provider is not present</returns>
internal T Data <T>(object key, ViewDataProvider <T> provider)
where T : ExecutionViewData
{
var type = typeof(T);
var canCreate = provider != null;
Dictionary <Type, ExecutionViewData> keyData;
if (!_data.TryGetValue(key, out keyData))
{
if (!canCreate)
{
return(null);
}
_data[key] = keyData = new Dictionary <Type, ExecutionViewData>();
}
ExecutionViewData viewData;
if (!keyData.TryGetValue(type, out viewData))
{
if (!canCreate)
{
return(null);
}
keyData[type] = viewData = provider();
}
return(viewData as T);
}
public void should_ignore_incorrect_codeRRContext()
{
var context = new ErrorReporterContext(this, new Exception());
var sut = new ViewDataProvider();
var result = sut.Collect(context);
result.Should().BeNull();
}
public void should_return_null_when_the_collection_is_empty()
{
var httpContext = Substitute.For <HttpContextBase>();
var context = new AspNetMvcContext(this, new Exception(), httpContext);
context.ViewData = new ViewDataDictionary();
var sut = new ViewDataProvider();
var result = sut.Collect(context);
result.Should().BeNull();
}
public void should_include_included_items()
{
var httpContext = Substitute.For <HttpContextBase>();
var context = new AspNetMvcContext(this, new Exception(), httpContext);
context.ViewData = new ViewDataDictionary {
{ "Id", 3 }, { "Title", "Hello world" }
};
var sut = new ViewDataProvider();
var result = sut.Collect(context);
result.Property("Id").Should().Be("3");
result.Property("Title").Should().Be("Hello world");
}
/// <summary>
/// Get data stored in current view for given key and type.
/// If no matching data are found, new data is created via provider.
/// </summary>
/// <typeparam name="T">Type of searched data.</typeparam>
/// <param name="key">Key of data - because multiple sources can store data with same type.</param>
/// <param name="provider">Provider used for data creation.</param>
/// <returns>Stored data, created data, or null if the data is not found and provider is not present.</returns>
public T Data <T>(object key, ViewDataProvider <T> provider = null)
where T : ExecutionViewData
{
return(_viewData.Data <T>(key, provider));
}
