/// <summary>
/// Gets or adds a singleton page content reference to the cache when not empty.
/// </summary>
/// <param name="key">Cache key as a pair of the root page content reference and singleton page type.</param>
/// <param name="valueFactory">Factory function to get singleton page content reference.</param>
/// <returns>A singleton page's content reference.</returns>
public ContentReference GetOrAdd(CacheKey key, Func<ContentReference> valueFactory)
{
ContentReference value;
if (Cache.TryGetValue(key, out value))
{
return value;
}
value = valueFactory();
return value == ContentReference.EmptyReference ? value : Cache.GetOrAdd(key, value);
}
public void it_adds_found_page_data_to_cache_on_first_call()
{
var fakeRoot = FakePage.Create("Root");
var fakeStart = FakePage.Create("Start")
.ChildOf(fakeRoot);
var fakeExpected = FakePage.Create<TestPage>("Test page")
.ChildOf(fakeStart);
_fake.AddToRepository(fakeRoot);
var expected = fakeExpected.Page.ContentLink;
fakeStart.Page.PageLink.GetSingletonPage<TestPage>();
var key = new CacheKey(typeof(TestPage), fakeStart.Page.PageLink);
var actual = _fakeCache.InternalCache[key];
Assert.Equal(expected, actual);
}
/// <summary>
/// Determines whether two specified CacheKey objects have the same value.
/// </summary>
/// <param name="other">The CacheKey to compare to this instance.</param>
/// <returns>true if the specified CacheKey is equal to the current CacheKey; otherwise, false.</returns>
protected bool Equals(CacheKey other)
{
return Type == other.Type && Equals(ParentLink, other.ParentLink);
}
public void it_does_not_add_empty_content_link_to_the_cache()
{
var fakeRoot = FakePage.Create("Root");
var fakeStart = FakePage.Create("Start")
.ChildOf(fakeRoot);
_fake.AddToRepository(fakeRoot);
fakeStart.Page.PageLink.GetSingletonPage<TestPage>();
var key = new CacheKey(typeof(TestPage), fakeStart.Page.PageLink);
var actual = _fakeCache.InternalCache.ContainsKey(key);
Assert.False(actual);
}