private static async Task <T> GetCompletionItemToResolveAsync <T>(
TestLspServer testLspServer,
Dictionary <string, IList <LSP.Location> > locations,
string label,
LSP.ClientCapabilities clientCapabilities = null) where T : LSP.CompletionItem
{
var completionParams = CreateCompletionParams(
locations["caret"].Single(), LSP.VSCompletionInvokeKind.Explicit, "\0", LSP.CompletionTriggerKind.Invoked);
clientCapabilities ??= new LSP.VSClientCapabilities {
SupportsVisualStudioExtensions = true
};
var completionList = await RunGetCompletionsAsync(testLspServer, completionParams, clientCapabilities);
if (clientCapabilities.HasCompletionListDataCapability())
{
var vsCompletionList = Assert.IsAssignableFrom <VSCompletionList>(completionList);
Assert.NotNull(vsCompletionList.Data);
}
var serverCompletionItem = completionList.Items.FirstOrDefault(item => item.Label == label);
var clientCompletionItem = ConvertToClientCompletionItem((T)serverCompletionItem);
return(clientCompletionItem);
}
private static async Task <LSP.CompletionList> RunGetCompletionsAsync(
TestLspServer testLspServer,
LSP.CompletionParams completionParams,
LSP.ClientCapabilities clientCapabilities)
{
var completionList = await testLspServer.ExecuteRequestAsync <LSP.CompletionParams, LSP.CompletionList>(LSP.Methods.TextDocumentCompletionName,
completionParams, clientCapabilities, null, CancellationToken.None);
// Emulate client behavior of promoting "Data" completion list properties onto completion items.
if (clientCapabilities.HasCompletionListDataCapability() &&
completionList is VSCompletionList vsCompletionList &&
vsCompletionList.Data != null)
{
foreach (var completionItem in completionList.Items)
{
Assert.Null(completionItem.Data);
completionItem.Data = vsCompletionList.Data;
}
}
return(completionList);
}
