public void TryCreateDescription_Element_MultipleAssociatedTagHelpers_ReturnsTrue()
{
// Arrange
var descriptionFactory = new DefaultTagHelperDescriptionFactory();
var associatedTagHelperInfos = new[]
{
new TagHelperDescriptionInfo("Microsoft.AspNetCore.SomeTagHelper", "<summary>Uses <see cref=\"T:System.Collections.List{System.String}\" />s</summary>"),
new TagHelperDescriptionInfo("Microsoft.AspNetCore.OtherTagHelper", "<summary>Also uses <see cref=\"T:System.Collections.List{System.String}\" />s</summary>"),
};
var elementDescription = new ElementDescriptionInfo(associatedTagHelperInfos);
// Act
var result = descriptionFactory.TryCreateDescription(elementDescription, out var markdown);
// Assert
Assert.True(result);
Assert.Equal(@"**SomeTagHelper**
Uses `List<System.String>`s
---
**OtherTagHelper**
Also uses `List<System.String>`s
", markdown);
}
public static void SetDescriptionInfo(this CompletionItem completion, ElementDescriptionInfo elementDescriptionInfo)
{
var data = completion.Data ?? new JObject();
data[TagHelperElementDataKey] = JObject.FromObject(elementDescriptionInfo);
completion.Data = data;
}
public override bool TryCreateDescription(ElementDescriptionInfo elementDescriptionInfo, out MarkupContent tagHelperDescription)
{
var associatedTagHelperInfos = elementDescriptionInfo.AssociatedTagHelperDescriptions;
if (associatedTagHelperInfos.Count == 0)
{
tagHelperDescription = null;
return(false);
}
// This generates a markdown description that looks like the following:
// **SomeTagHelper**
//
// The Summary documentation text with `CrefTypeValues` in code.
//
// Additional description infos result in a triple `---` to separate the markdown entries.
var descriptionBuilder = new StringBuilder();
for (var i = 0; i < associatedTagHelperInfos.Count; i++)
{
var descriptionInfo = associatedTagHelperInfos[i];
if (descriptionBuilder.Length > 0)
{
descriptionBuilder.AppendLine();
descriptionBuilder.AppendLine("---");
}
var tagHelperType = descriptionInfo.TagHelperTypeName;
var reducedTypeName = ReduceTypeName(tagHelperType);
StartOrEndBold(descriptionBuilder);
descriptionBuilder.Append(reducedTypeName);
StartOrEndBold(descriptionBuilder);
var documentation = descriptionInfo.Documentation;
if (!TryExtractSummary(documentation, out var summaryContent))
{
continue;
}
descriptionBuilder.AppendLine();
descriptionBuilder.AppendLine();
var finalSummaryContent = CleanSummaryContent(summaryContent);
descriptionBuilder.Append(finalSummaryContent);
}
tagHelperDescription = new MarkupContent
{
Kind = GetMarkupKind()
};
tagHelperDescription.Value = descriptionBuilder.ToString();
return(true);
}
private IReadOnlyList <CompletionItem> GetElementCompletions(
SyntaxNode containingTag,
string containingTagName,
IEnumerable <KeyValuePair <string, string> > attributes,
RazorCodeDocument codeDocument)
{
var ancestors = containingTag.Ancestors();
var tagHelperDocumentContext = codeDocument.GetTagHelperContext();
var(ancestorTagName, ancestorIsTagHelper) = _tagHelperFactsService.GetNearestAncestorTagInfo(ancestors);
var elementCompletionContext = new ElementCompletionContext(
tagHelperDocumentContext,
existingCompletions: Enumerable.Empty <string>(),
containingTagName,
attributes,
ancestorTagName,
ancestorIsTagHelper,
HtmlFactsService.IsHtmlTagName);
var completionItems = new List <CompletionItem>();
var completionResult = _razorTagHelperCompletionService.GetElementCompletions(elementCompletionContext);
foreach (var completion in completionResult.Completions)
{
var razorCompletionItem = new CompletionItem()
{
Label = completion.Key,
InsertText = completion.Key,
FilterText = completion.Key,
SortText = completion.Key,
Kind = CompletionItemKind.TypeParameter,
CommitCharacters = ElementCommitCharacters,
};
var tagHelperDescriptions = completion.Value.Select(tagHelper => new TagHelperDescriptionInfo(tagHelper.GetTypeName(), tagHelper.Documentation));
var elementDescription = new ElementDescriptionInfo(tagHelperDescriptions.ToList());
razorCompletionItem.SetDescriptionInfo(elementDescription);
completionItems.Add(razorCompletionItem);
}
return(completionItems);
}
public void TryCreateDescription_Element_SingleAssociatedTagHelper_ReturnsTrue()
{
// Arrange
var descriptionFactory = new DefaultTagHelperDescriptionFactory(LanguageServer);
var associatedTagHelperInfos = new[]
{
new TagHelperDescriptionInfo("Microsoft.AspNetCore.SomeTagHelper", "<summary>Uses <see cref=\"T:System.Collections.List{System.String}\" />s</summary>"),
};
var elementDescription = new ElementDescriptionInfo(associatedTagHelperInfos);
// Act
var result = descriptionFactory.TryCreateDescription(elementDescription, out var markdown);
// Assert
Assert.True(result);
Assert.Equal(@"**SomeTagHelper**
Uses `List<System.String>`s", markdown.Value);
Assert.Equal(MarkupKind.Markdown, markdown.Kind);
}
public void TryCreateDescription_Element_BothPlainTextAndMarkdown_IsBold()
{
// Arrange
var languageServer = LanguageServer;
languageServer.ClientSettings.Capabilities.TextDocument.Completion.Value.CompletionItem.DocumentationFormat = new Container <MarkupKind>(MarkupKind.PlainText, MarkupKind.Markdown);
var descriptionFactory = new DefaultTagHelperDescriptionFactory(languageServer);
var associatedTagHelperInfos = new[]
{
new TagHelperDescriptionInfo("Microsoft.AspNetCore.SomeTagHelper", "<summary>Uses <see cref=\"T:System.Collections.List{System.String}\" />s</summary>"),
};
var elementDescription = new ElementDescriptionInfo(associatedTagHelperInfos);
// Act
var result = descriptionFactory.TryCreateDescription(elementDescription, out var markdown);
// Assert
Assert.True(result);
Assert.Equal(@"**SomeTagHelper**
Uses `List<System.String>`s", markdown.Value);
Assert.Equal(MarkupKind.Markdown, markdown.Kind);
}
public abstract bool TryCreateDescription(ElementDescriptionInfo descriptionInfos, out MarkupContent markupContent);
public abstract bool TryCreateDescription(ElementDescriptionInfo descriptionInfos, out string markdown);
public static void SetTagHelperElementDescriptionInfo(this RazorCompletionItem completionItem, ElementDescriptionInfo elementDescriptionInfo)
{
completionItem.Items[TagHelperElementCompletionDescriptionKey] = elementDescriptionInfo;
}
