// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using Xunit;
 
namespace Microsoft.AspNetCore.Razor.Language.IntegrationTests;
 
public class ComponentTemplateIntegrationTest : RazorIntegrationTestBase
{
    internal override RazorFileKind? FileKind => RazorFileKind.Component;
 
    internal override bool UseTwoPhaseCompilation => true;
 
    // Razor doesn't parse this as a template, we don't need much special handling for
    // it because it will just be invalid in general.
    [Fact]
    public void Template_ImplicitExpressionInMarkupAttribute_CreatesDiagnostic()
    {
        // Arrange
 
        // Act
        var generated = CompileToCSharp(@"<div attr=""@<div></div>"" />");
 
        // Assert
        var diagnostic = Assert.Single(generated.RazorDiagnostics);
        Assert.Equal("RZ1005", diagnostic.Id);
    }
 
    [Fact]
    public void Template_ExplicitExpressionInMarkupAttribute_CreatesDiagnostic()
    {
        // Arrange
 
        // Act
        var generated = CompileToCSharp(@"<div attr=""@(@<div></div>)"" />");
 
        // Assert
        var diagnostic = Assert.Single(generated.RazorDiagnostics);
        Assert.Equal("RZ9994", diagnostic.Id);
    }
 
    // Razor doesn't parse this as a template, we don't need much special handling for
    // it because it will just be invalid in general.
    [Fact]
    public void Template_ImplicitExpressionInComponentAttribute_CreatesDiagnostic()
    {
        // Arrange
        AdditionalSyntaxTrees.Add(Parse(@"
using Microsoft.AspNetCore.Components;
 
namespace Test
{
    public class MyComponent : ComponentBase
    {
    }
}
"));
 
        // Act
        var generated = CompileToCSharp(@"<MyComponent attr=""@<div></div>"" />");
 
        // Assert
        Assert.Collection(
            generated.RazorDiagnostics,
            d => Assert.Equal("RZ9986", d.Id),
            d => Assert.Equal("RZ1005", d.Id));
    }
 
    [Fact]
    public void Template_ExplicitExpressionInComponentAttribute_CreatesDiagnostic()
    {
        // Arrange
        AdditionalSyntaxTrees.Add(Parse(@"
using Microsoft.AspNetCore.Components;
 
namespace Test
{
    public class MyComponent : ComponentBase
    {
    }
}
"));
        // Act
        var generated = CompileToCSharp(@"<MyComponent attr=""@(@<div></div>)"" />");
 
        // Assert
        var diagnostic = Assert.Single(generated.RazorDiagnostics);
        Assert.Equal("RZ9994", diagnostic.Id);
    }
 
    [Fact]
    public void Template_ExplicitExpressionInRef_CreatesDiagnostic()
    {
        // Arrange
 
        // Act
        var generated = CompileToCSharp(@"<div ref=""@(@<div></div>)"" />");
 
        // Assert
        var diagnostic = Assert.Single(generated.RazorDiagnostics);
        Assert.Equal("RZ9994", diagnostic.Id);
    }
 
 
    [Fact]
    public void Template_ExplicitExpressionInBind_CreatesDiagnostic()
    {
        // Arrange
 
        // Act
        var generated = CompileToCSharp(@"<input type=""text"" bind=""@(@<div></div>)"" />");
 
        // Assert
        var diagnostic = Assert.Single(generated.RazorDiagnostics);
        Assert.Equal("RZ9994", diagnostic.Id);
    }
 
    [Fact]
    public void Template_ExplicitExpressionInEventHandler_CreatesDiagnostic()
    {
        // Arrange
 
        // Act
        var generated = CompileToCSharp(@"<input type=""text"" onchange=""@(@<div></div>)"" />");
 
        // Assert
        var diagnostic = Assert.Single(generated.RazorDiagnostics);
        Assert.Equal("RZ9994", diagnostic.Id);
    }
}