aspnetcore/test/Microsoft.AspNetCore.Razor..../DefaultDirectiveIRPassTest.cs

96 lines
3.3 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using Microsoft.AspNetCore.Razor.Evolution.Intermediate;
using Xunit;
using static Microsoft.AspNetCore.Razor.Evolution.Intermediate.RazorIRAssert;
namespace Microsoft.AspNetCore.Razor.Evolution
{
public class DefaultDirectiveIRPassTest
{
[Fact]
public void Execute_MutatesIRDocument()
{
// Arrange
var content =
@"@inherits Hello<World[]>
@functions {
var value = true;
}";
var originalIRDocument = Lower(content);
var pass = new DefaultDirectiveIRPass();
// Act
var irDocument = pass.Execute(codeDocument: null, irDocument: originalIRDocument);
// Assert
Assert.Same(originalIRDocument, irDocument);
}
[Fact]
public void Execute_Inherits_SetsClassDeclarationBaseType()
{
// Arrange
var content = "@inherits Hello<World[]>";
var originalIRDocument = Lower(content);
var pass = new DefaultDirectiveIRPass();
// Act
var irDocument = pass.Execute(codeDocument: null, irDocument: originalIRDocument);
// Assert
var @namespace = SingleChild<NamespaceDeclarationIRNode>(irDocument);
var @class = SingleChild<ClassDeclarationIRNode>(@namespace);
Assert.Equal(@class.BaseType, "Hello<World[]>");
}
[Fact]
public void Execute_Functions_ExistsAtClassDeclarationAndMethodLevel()
{
// Arrange
var content = "@functions { var value = true; }";
var originalIRDocument = Lower(content);
var pass = new DefaultDirectiveIRPass();
// Act
var irDocument = pass.Execute(codeDocument: null, irDocument: originalIRDocument);
// Assert
var @namespace = SingleChild<NamespaceDeclarationIRNode>(irDocument);
var @class = SingleChild<ClassDeclarationIRNode>(@namespace);
Children(@class,
node => Assert.IsType<RazorMethodDeclarationIRNode>(node),
node => CSharpStatement(" var value = true; ", node));
var method = (RazorMethodDeclarationIRNode)@class.Children[0];
Children(method,
node => Html(string.Empty, node),
node => Directive("functions", node,
directiveChild => CSharpStatement(" var value = true; ", directiveChild)),
node => Html(string.Empty, node));
}
private static DocumentIRNode Lower(string content)
{
var sourceDocument = TestRazorSourceDocument.Create(content);
var codeDocument = RazorCodeDocument.Create(sourceDocument);
var engine = RazorEngine.Create();
for (var i = 0; i < engine.Phases.Count; i++)
{
var phase = engine.Phases[i];
phase.Execute(codeDocument);
if (phase is IRazorIRLoweringPhase)
{
break;
}
}
var irDocument = codeDocument.GetIRDocument();
Assert.NotNull(irDocument);
return irDocument;
}
}
}