private static void AssertExpectedFunctions(List <CompletionItem> completions, bool expectParamDefaultFunctions, IEnumerable <string>?fullyQualifiedFunctionNames = null)
{
fullyQualifiedFunctionNames ??= Enumerable.Empty <string>();
var fullyQualifiedFunctionParts = fullyQualifiedFunctionNames.Select(fqfn =>
{
var parts = fqfn.Split('.', StringSplitOptions.None);
return(@namespace: parts[0], function: parts[1]);
});
var functionCompletions = completions.Where(c => c.Kind == CompletionItemKind.Function).OrderBy(c => c.Label).ToList();
var availableFunctionNames = new NamespaceSymbol[] { new AzNamespaceSymbol(ResourceScope.ResourceGroup), new SystemNamespaceSymbol() }
.SelectMany(ns => ns.Type.MethodResolver.GetKnownFunctions().Values)
.Where(symbol => expectParamDefaultFunctions || !symbol.FunctionFlags.HasFlag(FunctionFlags.ParamDefaultsOnly))
.Select(func => func.Name)
.Except(fullyQualifiedFunctionParts.Select(p => p.function), LanguageConstants.IdentifierComparer)
.Concat(fullyQualifiedFunctionNames)
.OrderBy(s => s);
functionCompletions.Select(c => c.Label).Should().BeEquivalentTo(availableFunctionNames);
functionCompletions.Should().OnlyContain(c => c.TextEdit !.TextEdit !.NewText.StartsWith(c.Label + '(', StringComparison.Ordinal));
functionCompletions.Should().OnlyContain(c => string.Equals(c.Label + "()", c.Detail));
functionCompletions.Should().OnlyContain(c => c.InsertTextFormat == InsertTextFormat.Snippet);
}
/// <summary>
/// Removes a common prefix from the edit to turn IntelliSense replacements into insertions where possible
/// </summary>
/// <returns>A normalized text change</returns>
public TextChange Normalize()
{
if (OldBuffer != null && IsReplace && NewLength > OldLength && NewText.StartsWith(OldText, StringComparison.Ordinal) && NewPosition == OldPosition)
{
// Normalize the change into an insertion of the uncommon suffix (i.e. strip out the common prefix)
return(new TextChange(oldPosition: OldPosition + OldLength,
oldLength: 0,
oldBuffer: OldBuffer,
newPosition: OldPosition + OldLength,
newLength: NewLength - OldLength,
newBuffer: NewBuffer));
}
return(this);
}
