public void Convert_CommitCharactersTrue_RemovesCommitCharactersFromItems()
{
// Arrange
var commitCharacters = new[] { "<" };
var completionList = new VSInternalCompletionList()
{
Items = new[]
{
new VSInternalCompletionItem()
{
Label = "Test",
VsCommitCharacters = commitCharacters
}
}
};
var capabilities = new VSInternalCompletionSetting()
{
CompletionList = new VSInternalCompletionListSetting()
{
CommitCharacters = true,
}
};
// Act
var vsCompletionList = CompletionListOptimizer.Optimize(completionList, capabilities);
// Assert
Assert.Collection(vsCompletionList.Items, (item) => Assert.Null(item.CommitCharacters));
Assert.Collection(vsCompletionList.CommitCharacters.Value.First, (e) => Assert.Equal("<", e));
}
public void Convert_DataFalse_DoesNotTouchData()
{
// Arrange
var dataObject = new JObject()
{
["resultId"] = 123
};
var completionList = new VSInternalCompletionList()
{
Items = new[]
{
new VSInternalCompletionItem()
{
Label = "Test",
Data = dataObject,
}
}
};
var capabilities = new VSInternalCompletionSetting()
{
CompletionList = new VSInternalCompletionListSetting()
{
Data = false,
}
};
// Act
var vsCompletionList = CompletionListOptimizer.Optimize(completionList, capabilities);
// Assert
Assert.Collection(vsCompletionList.Items, item => Assert.Same(dataObject, item.Data));
Assert.Null(vsCompletionList.Data);
}
public void Convert_CommitCharactersFalse_DoesNotTouchCommitCharacters()
{
// Arrange
var commitCharacters = new[] { "<" };
var completionList = new VSInternalCompletionList()
{
Items = new[]
{
new VSInternalCompletionItem()
{
Label = "Test",
VsCommitCharacters = commitCharacters
}
}
};
var capabilities = new VSInternalCompletionSetting()
{
CompletionList = new VSInternalCompletionListSetting()
{
CommitCharacters = false,
}
};
// Act
var vsCompletionList = CompletionListOptimizer.Optimize(completionList, capabilities);
// Assert
Assert.Collection(vsCompletionList.Items, item => Assert.Equal(commitCharacters, ((VSInternalCompletionItem)item).VsCommitCharacters));
Assert.Null(vsCompletionList.CommitCharacters);
}
private static VSInternalCompletionList OptimizeData(VSInternalCompletionList completionList, VSInternalCompletionSetting completionCapability)
{
var completionListCapability = completionCapability.CompletionList;
if (completionListCapability?.Data != true)
{
return(completionList);
}
completionList = PromoteDataOntoList(completionList);
return(completionList);
}
private static VSInternalCompletionList OptimizeCommitCharacters(VSInternalCompletionList completionList, VSInternalCompletionSetting completionCapability)
{
var completionListCapability = completionCapability.CompletionList;
if (completionListCapability?.CommitCharacters != true)
{
return(completionList);
}
// The commit characters capability is a VS capability with how we utilize it, therefore we want to promote onto the VS list.
completionList = PromoteVSCommonCommitCharactersOntoList(completionList);
return(completionList);
}
public static VSInternalCompletionList Optimize(VSInternalCompletionList completionList, VSInternalCompletionSetting?completionCapability)
{
if (completionCapability is not null)
{
completionList = OptimizeCommitCharacters(completionList, completionCapability);
completionList = OptimizeData(completionList, completionCapability);
}
// We wrap the pre-existing completion list with an optimized completion list to better control serialization/deserialization
var optimizedCompletionList = new OptimizedVSCompletionList(completionList);
return(optimizedCompletionList);
}
private static VSInternalCompletionList PromoteDataOntoList(VSInternalCompletionList completionList)
{
// This piece makes a massive assumption that all completion items will have a resultId associated with them and their
// data properties will all be the same. Therefore, we can inspect the first item and empty out the rest.
var commonData = completionList.Items.FirstOrDefault()?.Data;
if (commonData is null)
{
// No common data items, nothing to do
return(completionList);
}
foreach (var completionItem in completionList.Items)
{
completionItem.Data = null;
}
completionList.Data = commonData;
return(completionList);
}
private static VSInternalCompletionList PromoteVSCommonCommitCharactersOntoList(VSInternalCompletionList completionList)
{
(AliasedVSCommitCharacters VsCommitCharacters, List <VSInternalCompletionItem> AssociatedCompletionItems)? mostUsedCommitCharacterToItems = null;
var commitCharacterMap = new Dictionary <AliasedVSCommitCharacters, List <VSInternalCompletionItem> >(AliasedVSCommitCharactersComparer.Instance);
foreach (var completionItem in completionList.Items)
{
if (completionItem is not VSInternalCompletionItem vsCompletionItem)
{
continue;
}
var vsCommitCharactersHolder = vsCompletionItem.VsCommitCharacters;
if (vsCommitCharactersHolder is null)
{
continue;
}
var commitCharacters = vsCommitCharactersHolder.Value;
if (!commitCharacterMap.TryGetValue(commitCharacters, out var associatedCompletionItems))
{
associatedCompletionItems = new List <VSInternalCompletionItem>();
commitCharacterMap[commitCharacters] = associatedCompletionItems;
}
associatedCompletionItems.Add(vsCompletionItem);
if (mostUsedCommitCharacterToItems is null ||
associatedCompletionItems.Count > mostUsedCommitCharacterToItems.Value.AssociatedCompletionItems.Count)
{
mostUsedCommitCharacterToItems = (commitCharacters, associatedCompletionItems);
}
}
if (mostUsedCommitCharacterToItems is null)
{
return(completionList);
}
// Promote the most used commit characters onto the list and remove duplicates from child items.
foreach (var completionItem in mostUsedCommitCharacterToItems.Value.AssociatedCompletionItems)
{
// Clear out the commit characters for all associated items
completionItem.CommitCharacters = null;
completionItem.VsCommitCharacters = null;
}
completionList.CommitCharacters = mostUsedCommitCharacterToItems.Value.VsCommitCharacters;
return(completionList);
}
