/// <summary>
/// Returns the entries that meet the include delegates criteria,
/// with the number of entries limited by <see paramref="maxResults" />.
/// </summary>
/// <param name="include">The delegate indicating which items to include.</param>
public EntryCollection GetEntries(Predicate <Entry> include, int maxResults)
{
lock (entriesLock)
{
Predicate <Entry> filter = null;
if (System.Threading.Thread.CurrentPrincipal != null)
{
if (!System.Threading.Thread.CurrentPrincipal.IsInRole("admin"))
{
filter += EntryCollectionFilter.DefaultFilters.IsPublic();
}
}
else
{
filter += EntryCollectionFilter.DefaultFilters.IsPublic();
}
if (include != null)
{
filter += include;
}
return(EntryCollectionFilter.FindAll(Entries, filter, maxResults));
}
}
public void EntryCollections_FilterAndMaxResults_OnlyReturnsOneEntry()
{
var entry1 = CreateEntry("public 2007.1", true, new DateTime(2007, 2, 2));
var entry2 = CreateEntry("public 2006.1", true, new DateTime(2006, 2, 2));
var entry3 = CreateEntry("not public 2006.1", false, new DateTime(2006, 2, 2));
var entry4 = CreateEntry("public 2007.2", true, new DateTime(2007, 2, 2));
var entry5 = CreateEntry("public 2006.2", true, new DateTime(2006, 2, 2));
var entry6 = CreateEntry("not public 2006.2", false, new DateTime(2006, 2, 2));
var collection = new EntryCollection(new Entry[] { entry1, entry2, entry3, entry4, entry5, entry6 });
Predicate <Entry> filter = null;
Predicate <Entry> isPublic = delegate(Entry e)
{
return(e.IsPublic);
};
filter += isPublic;
Predicate <Entry> is2006Published = delegate(Entry e)
{
return(e.CreatedLocalTime.Year == 2006);
};
filter += is2006Published;
// 2 items match the criteria (2,5), we only want 1 returned
var filtered = EntryCollectionFilter.FindAll(collection, filter, 1);
Assert.Single(filtered);
}
public void EntryCollections_FilteringPublicEntries_CountsShouldDifferAfterFiltering()
{
var entry1 = CreateEntry("public 2007", true, new DateTime(2007, 2, 2));
var entry2 = CreateEntry("public 2006", true, new DateTime(2006, 2, 2));
var entry3 = CreateEntry("not public 2006", false, new DateTime(2006, 2, 2));
var collection = new EntryCollection(new Entry[] { entry1, entry2, entry3 });
Predicate <Entry> filter = null;
Predicate <Entry> isPublic = delegate(Entry e)
{
return(e.IsPublic);
};
filter += isPublic;
Predicate <Entry> is2006Published = delegate(Entry e)
{
return(e.CreatedLocalTime.Year == 2006);
};
filter += is2006Published;
var classic = EntryCollectionFilter.FindAll(collection, filter);
var generic = collection.FindAll(filter);
Assert.NotEqual(classic.Count, generic.Count);
}
public void FilterTest()
{
Entry entry1 = CreateEntry("public 2007", true, new DateTime(2007, 2, 2));
Entry entry2 = CreateEntry("public 2006", true, new DateTime(2006, 2, 2));
Entry entry3 = CreateEntry("not public 2006", false, new DateTime(2006, 2, 2));
EntryCollection collection = new EntryCollection(new Entry[] { entry1, entry2, entry3 });
Predicate <Entry> filter = null;
Predicate <Entry> isPublic = delegate(Entry e)
{
return(e.IsPublic);
};
filter += isPublic;
Predicate <Entry> is2006Published = delegate(Entry e)
{
return(e.CreatedLocalTime.Year == 2006);
};
filter += is2006Published;
EntryCollection classic = EntryCollectionFilter.FindAll(collection, filter);
List <Entry> generic = collection.FindAll(filter);
Assert.AreNotEqual(classic.Count, generic.Count, "Number of items doesn't match.");
}
public void EntryCollections_NoFilterMaxResults_OnlyReturnsFourEntries()
{
var entry1 = CreateEntry("public 2007.1", true, new DateTime(2007, 2, 2));
var entry2 = CreateEntry("public 2006.1", true, new DateTime(2006, 2, 2));
var entry3 = CreateEntry("not public 2006.1", false, new DateTime(2006, 2, 2));
var entry4 = CreateEntry("public 2007.2", true, new DateTime(2007, 2, 2));
var entry5 = CreateEntry("public 2006.2", true, new DateTime(2006, 2, 2));
var entry6 = CreateEntry("not public 2006.2", false, new DateTime(2006, 2, 2));
var collection = new EntryCollection(new Entry[] { entry1, entry2, entry3, entry4, entry5, entry6 });
// no predicate so all results should be returend but we only want 4
var maxResults = EntryCollectionFilter.FindAll(collection, null, 4);
Assert.Equal(4, maxResults.Count);
}
public void MaxResultsTest()
{
Entry entry1 = CreateEntry("public 2007.1", true, new DateTime(2007, 2, 2));
Entry entry2 = CreateEntry("public 2006.1", true, new DateTime(2006, 2, 2));
Entry entry3 = CreateEntry("not public 2006.1", false, new DateTime(2006, 2, 2));
Entry entry4 = CreateEntry("public 2007.2", true, new DateTime(2007, 2, 2));
Entry entry5 = CreateEntry("public 2006.2", true, new DateTime(2006, 2, 2));
Entry entry6 = CreateEntry("not public 2006.2", false, new DateTime(2006, 2, 2));
EntryCollection collection = new EntryCollection(new Entry[] { entry1, entry2, entry3, entry4, entry5, entry6 });
Predicate <Entry> filter = null;
Predicate <Entry> isPublic = delegate(Entry e)
{
return(e.IsPublic);
};
filter += isPublic;
Predicate <Entry> is2006Published = delegate(Entry e)
{
return(e.CreatedLocalTime.Year == 2006);
};
filter += is2006Published;
// 2 items match the criteria (2,5), we only want 1 returned
EntryCollection filtered = EntryCollectionFilter.FindAll(collection, filter, 1);
Assert.AreEqual(1, filtered.Count, "Number of results doesn't match.");
// no predicate so all results should be returend but we only want 4
EntryCollection maxResults = EntryCollectionFilter.FindAll(collection, null, 4);
Assert.AreEqual(4, maxResults.Count, "Number of results doesn't match.");
}