FixerWithFixAllAnalyzerTests.Fixer.cs

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System.Threading.Tasks;
using Xunit;
using VerifyCS = Test.Utilities.CSharpCodeFixVerifier<
    Microsoft.CodeAnalysis.Analyzers.FixAnalyzers.FixerWithFixAllAnalyzer,
    Microsoft.CodeAnalysis.Analyzers.MetaAnalyzers.Fixers.FixerWithFixAllFix>;
using VerifyVB = Test.Utilities.VisualBasicCodeFixVerifier<
    Microsoft.CodeAnalysis.Analyzers.FixAnalyzers.FixerWithFixAllAnalyzer,
    Microsoft.CodeAnalysis.Analyzers.MetaAnalyzers.Fixers.FixerWithFixAllFix>;
 
namespace Microsoft.CodeAnalysis.Analyzers.UnitTests.FixAnalyzers
{
    public class FixerWithFixAllFixerTests
    {
        #region CSharp tests
 
        [Fact]
        public async Task CSharp_VerifyFix_NonSealedTypeAsync()
        {
            var source = @"
using System;
using System.Collections.Immutable;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CodeActions;
 
[ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(C1))]
class {|RS1016:C1|} : CodeFixProvider
{
    public override ImmutableArray<string> FixableDiagnosticIds
    {
        get
        {
            throw new NotImplementedException();
        }
    }
 
    public override Task RegisterCodeFixesAsync(CodeFixContext context)
    {
        var codeAction1_1 = CodeAction.Create(""Title1_1"", _ => Task.FromResult(context.Document));        
        return null;
    }
}
";
            var fixedSource = @"
using System;
using System.Collections.Immutable;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CodeActions;
 
[ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(C1))]
class C1 : CodeFixProvider
{
    public override ImmutableArray<string> FixableDiagnosticIds
    {
        get
        {
            throw new NotImplementedException();
        }
    }
 
    public override Task RegisterCodeFixesAsync(CodeFixContext context)
    {
        var codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", _ => Task.FromResult(context.Document))|};        
        return null;
    }
 
    public sealed override FixAllProvider GetFixAllProvider()
    {
        return WellKnownFixAllProviders.BatchFixer;
    }
}
";
 
            await VerifyCS.VerifyCodeFixAsync(source, fixedSource);
        }
 
        [Fact]
        public async Task CSharp_VerifyFix_SealedTypeAsync()
        {
            var source = @"
using System;
using System.Collections.Immutable;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CodeActions;
 
[ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(C1))]
sealed class {|RS1016:C1|} : CodeFixProvider
{
    public override ImmutableArray<string> FixableDiagnosticIds
    {
        get
        {
            throw new NotImplementedException();
        }
    }
 
    public override Task RegisterCodeFixesAsync(CodeFixContext context)
    {
        var codeAction1_1 = CodeAction.Create(""Title1_1"", _ => Task.FromResult(context.Document));        
        return null;
    }
}
";
            var fixedSource = @"
using System;
using System.Collections.Immutable;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CodeActions;
 
[ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(C1))]
sealed class C1 : CodeFixProvider
{
    public override ImmutableArray<string> FixableDiagnosticIds
    {
        get
        {
            throw new NotImplementedException();
        }
    }
 
    public override Task RegisterCodeFixesAsync(CodeFixContext context)
    {
        var codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", _ => Task.FromResult(context.Document))|};        
        return null;
    }
 
    public override FixAllProvider GetFixAllProvider()
    {
        return WellKnownFixAllProviders.BatchFixer;
    }
}
";
 
            await VerifyCS.VerifyCodeFixAsync(source, fixedSource);
        }
 
        [Fact]
        public async Task CSharp_NoDiagnosticAsync()
        {
            var source = @"
using System;
using System.Collections.Immutable;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CodeActions;
 
[ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(C1))]
class C1 : CodeFixProvider
{
    public override ImmutableArray<string> FixableDiagnosticIds
    {
        get
        {
            throw new NotImplementedException();
        }
    }
 
    public override FixAllProvider GetFixAllProvider()
    {
        return WellKnownFixAllProviders.BatchFixer;
    }
 
    public override Task RegisterCodeFixesAsync(CodeFixContext context)
    {
        var codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", _ => Task.FromResult(context.Document))|};        
        return null;
    }
}
 
[ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(C2))]
class C2 : CodeFixProvider
{
    public override ImmutableArray<string> FixableDiagnosticIds
    {
        get
        {
            throw new NotImplementedException();
        }
    }
 
    public override FixAllProvider GetFixAllProvider()
    {
        return null;
    }
 
    public override Task RegisterCodeFixesAsync(CodeFixContext context)
    {
        var codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", _ => Task.FromResult(context.Document))|};        
        return null;
    }
}
";
            await VerifyCS.VerifyCodeFixAsync(source, source);
        }
 
        [Fact]
        public async Task CSharp_VerifyFixAllAsync()
        {
            var source = @"
using System;
using System.Collections.Immutable;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CodeActions;
 
[ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(C1))]
sealed class {|RS1016:C1|} : CodeFixProvider
{
    public override ImmutableArray<string> FixableDiagnosticIds
    {
        get
        {
            throw new NotImplementedException();
        }
    }
 
    public override Task RegisterCodeFixesAsync(CodeFixContext context)
    {
        var codeAction1_1 = CodeAction.Create(""Title1_1"", _ => Task.FromResult(context.Document));        
        return null;
    }
}
 
[ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(C2))]
sealed class {|RS1016:C2|} : CodeFixProvider
{
    public override ImmutableArray<string> FixableDiagnosticIds
    {
        get
        {
            throw new NotImplementedException();
        }
    }
 
    public override Task RegisterCodeFixesAsync(CodeFixContext context)
    {
        var codeAction1_1 = CodeAction.Create(""Title1_1"", _ => Task.FromResult(context.Document));        
        return null;
    }
}
";
            var fixedSource = @"
using System;
using System.Collections.Immutable;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CodeActions;
 
[ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(C1))]
sealed class C1 : CodeFixProvider
{
    public override ImmutableArray<string> FixableDiagnosticIds
    {
        get
        {
            throw new NotImplementedException();
        }
    }
 
    public override Task RegisterCodeFixesAsync(CodeFixContext context)
    {
        var codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", _ => Task.FromResult(context.Document))|};        
        return null;
    }
 
    public override FixAllProvider GetFixAllProvider()
    {
        return WellKnownFixAllProviders.BatchFixer;
    }
}
 
[ExportCodeFixProvider(LanguageNames.CSharp, Name = nameof(C2))]
sealed class C2 : CodeFixProvider
{
    public override ImmutableArray<string> FixableDiagnosticIds
    {
        get
        {
            throw new NotImplementedException();
        }
    }
 
    public override Task RegisterCodeFixesAsync(CodeFixContext context)
    {
        var codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", _ => Task.FromResult(context.Document))|};        
        return null;
    }
 
    public override FixAllProvider GetFixAllProvider()
    {
        return WellKnownFixAllProviders.BatchFixer;
    }
}
";
 
            await VerifyCS.VerifyCodeFixAsync(source, fixedSource);
        }
 
        #endregion
 
        #region VisualBasic tests
 
        [Fact()]
        public async Task VisualBasic_VerifyFix_NonSealedTypeAsync()
        {
            var source = @"
Imports System
Imports System.Collections.Immutable
Imports System.Threading.Tasks
Imports Microsoft.CodeAnalysis
Imports Microsoft.CodeAnalysis.CodeFixes
Imports Microsoft.CodeAnalysis.CodeActions
 
<ExportCodeFixProvider(LanguageNames.VisualBasic, Name:=NameOf(C1))>
Class {|RS1016:C1|}
	Inherits CodeFixProvider
	Public Overrides ReadOnly Property FixableDiagnosticIds() As ImmutableArray(Of String)
		Get
			Throw New NotImplementedException()
		End Get
	End Property
 
	Public Overrides Function RegisterCodeFixesAsync(context As CodeFixContext) As Task
		' Regular cases.
		Dim codeAction1_1 = CodeAction.Create(""Title1_1"", Function(x) Task.FromResult(context.Document))
		Return Nothing
	End Function
End Class
";
            var fixedSource = @"
Imports System
Imports System.Collections.Immutable
Imports System.Threading.Tasks
Imports Microsoft.CodeAnalysis
Imports Microsoft.CodeAnalysis.CodeFixes
Imports Microsoft.CodeAnalysis.CodeActions
 
<ExportCodeFixProvider(LanguageNames.VisualBasic, Name:=NameOf(C1))>
Class C1
	Inherits CodeFixProvider
	Public Overrides ReadOnly Property FixableDiagnosticIds() As ImmutableArray(Of String)
		Get
			Throw New NotImplementedException()
		End Get
	End Property
 
	Public Overrides Function RegisterCodeFixesAsync(context As CodeFixContext) As Task
		' Regular cases.
		Dim codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", Function(x) Task.FromResult(context.Document))|}
		Return Nothing
	End Function
 
    Public NotOverridable Overrides Function GetFixAllProvider() As FixAllProvider
        Return WellKnownFixAllProviders.BatchFixer
    End Function
End Class
";
            await VerifyVB.VerifyCodeFixAsync(source, fixedSource);
        }
 
        [Fact]
        public async Task VisualBasic_VerifyFix_SealedTypeAsync()
        {
            var source = @"
Imports System
Imports System.Collections.Immutable
Imports System.Threading.Tasks
Imports Microsoft.CodeAnalysis
Imports Microsoft.CodeAnalysis.CodeFixes
Imports Microsoft.CodeAnalysis.CodeActions
 
<ExportCodeFixProvider(LanguageNames.VisualBasic, Name:=NameOf(C1))>
NotInheritable Class {|RS1016:C1|}
	Inherits CodeFixProvider
	Public Overrides ReadOnly Property FixableDiagnosticIds() As ImmutableArray(Of String)
		Get
			Throw New NotImplementedException()
		End Get
	End Property
 
	Public Overrides Function RegisterCodeFixesAsync(context As CodeFixContext) As Task
		' Regular cases.
		Dim codeAction1_1 = CodeAction.Create(""Title1_1"", Function(x) Task.FromResult(context.Document))
		Return Nothing
	End Function
End Class
";
            var fixedSource = @"
Imports System
Imports System.Collections.Immutable
Imports System.Threading.Tasks
Imports Microsoft.CodeAnalysis
Imports Microsoft.CodeAnalysis.CodeFixes
Imports Microsoft.CodeAnalysis.CodeActions
 
<ExportCodeFixProvider(LanguageNames.VisualBasic, Name:=NameOf(C1))>
NotInheritable Class C1
	Inherits CodeFixProvider
	Public Overrides ReadOnly Property FixableDiagnosticIds() As ImmutableArray(Of String)
		Get
			Throw New NotImplementedException()
		End Get
	End Property
 
	Public Overrides Function RegisterCodeFixesAsync(context As CodeFixContext) As Task
		' Regular cases.
		Dim codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", Function(x) Task.FromResult(context.Document))|}
		Return Nothing
	End Function
 
    Public Overrides Function GetFixAllProvider() As FixAllProvider
        Return WellKnownFixAllProviders.BatchFixer
    End Function
End Class
";
            await VerifyVB.VerifyCodeFixAsync(source, fixedSource);
        }
 
        [Fact]
        public async Task VisualBasic_NoDiagnosticAsync()
        {
            var source = @"
Imports System
Imports System.Collections.Immutable
Imports System.Threading.Tasks
Imports Microsoft.CodeAnalysis
Imports Microsoft.CodeAnalysis.CodeFixes
Imports Microsoft.CodeAnalysis.CodeActions
 
<ExportCodeFixProvider(LanguageNames.VisualBasic, Name:=NameOf(C1))>
Class C1
	Inherits CodeFixProvider
	Public Overrides ReadOnly Property FixableDiagnosticIds() As ImmutableArray(Of String)
		Get
			Throw New NotImplementedException()
		End Get
	End Property
 
	Public Overrides Function RegisterCodeFixesAsync(context As CodeFixContext) As Task
		' Regular cases.
		Dim codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", Function(x) Task.FromResult(context.Document))|}
		Return Nothing
	End Function
 
    Public Overrides Function GetFixAllProvider() As FixAllProvider
	    Return WellKnownFixAllProviders.BatchFixer
    End Function
End Class
 
<ExportCodeFixProvider(LanguageNames.VisualBasic, Name:=NameOf(C2))>
Class C2
	Inherits CodeFixProvider
	Public Overrides ReadOnly Property FixableDiagnosticIds() As ImmutableArray(Of String)
		Get
			Throw New NotImplementedException()
		End Get
	End Property
 
	Public Overrides Function RegisterCodeFixesAsync(context As CodeFixContext) As Task
		' Regular cases.
		Dim codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", Function(x) Task.FromResult(context.Document))|}
		Return Nothing
	End Function
 
    Public Overrides Function GetFixAllProvider() As FixAllProvider
	    Return Nothing
    End Function
End Class
";
            await VerifyVB.VerifyCodeFixAsync(source, source);
        }
 
        [Fact]
        public async Task VisualBasic_VerifyFixAllAsync()
        {
            var source = @"
Imports System
Imports System.Collections.Immutable
Imports System.Threading.Tasks
Imports Microsoft.CodeAnalysis
Imports Microsoft.CodeAnalysis.CodeFixes
Imports Microsoft.CodeAnalysis.CodeActions
 
<ExportCodeFixProvider(LanguageNames.VisualBasic, Name:=NameOf(C1))>
NotInheritable Class {|RS1016:C1|}
	Inherits CodeFixProvider
	Public Overrides ReadOnly Property FixableDiagnosticIds() As ImmutableArray(Of String)
		Get
			Throw New NotImplementedException()
		End Get
	End Property
 
	Public Overrides Function RegisterCodeFixesAsync(context As CodeFixContext) As Task
		' Regular cases.
		Dim codeAction1_1 = CodeAction.Create(""Title1_1"", Function(x) Task.FromResult(context.Document))
		Return Nothing
	End Function
End Class
 
<ExportCodeFixProvider(LanguageNames.VisualBasic, Name:=NameOf(C2))>
NotInheritable Class {|RS1016:C2|}
	Inherits CodeFixProvider
	Public Overrides ReadOnly Property FixableDiagnosticIds() As ImmutableArray(Of String)
		Get
			Throw New NotImplementedException()
		End Get
	End Property
 
	Public Overrides Function RegisterCodeFixesAsync(context As CodeFixContext) As Task
		' Regular cases.
		Dim codeAction1_1 = CodeAction.Create(""Title1_1"", Function(x) Task.FromResult(context.Document))
		Return Nothing
	End Function
End Class
";
            var fixedSource = @"
Imports System
Imports System.Collections.Immutable
Imports System.Threading.Tasks
Imports Microsoft.CodeAnalysis
Imports Microsoft.CodeAnalysis.CodeFixes
Imports Microsoft.CodeAnalysis.CodeActions
 
<ExportCodeFixProvider(LanguageNames.VisualBasic, Name:=NameOf(C1))>
NotInheritable Class C1
	Inherits CodeFixProvider
	Public Overrides ReadOnly Property FixableDiagnosticIds() As ImmutableArray(Of String)
		Get
			Throw New NotImplementedException()
		End Get
	End Property
 
	Public Overrides Function RegisterCodeFixesAsync(context As CodeFixContext) As Task
		' Regular cases.
		Dim codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", Function(x) Task.FromResult(context.Document))|}
		Return Nothing
	End Function
 
    Public Overrides Function GetFixAllProvider() As FixAllProvider
        Return WellKnownFixAllProviders.BatchFixer
    End Function
End Class
 
<ExportCodeFixProvider(LanguageNames.VisualBasic, Name:=NameOf(C2))>
NotInheritable Class C2
	Inherits CodeFixProvider
	Public Overrides ReadOnly Property FixableDiagnosticIds() As ImmutableArray(Of String)
		Get
			Throw New NotImplementedException()
		End Get
	End Property
 
	Public Overrides Function RegisterCodeFixesAsync(context As CodeFixContext) As Task
		' Regular cases.
		Dim codeAction1_1 = {|RS1010:CodeAction.Create(""Title1_1"", Function(x) Task.FromResult(context.Document))|}
		Return Nothing
	End Function
 
    Public Overrides Function GetFixAllProvider() As FixAllProvider
        Return WellKnownFixAllProviders.BatchFixer
    End Function
End Class
";
 
            await VerifyVB.VerifyCodeFixAsync(source, fixedSource);
        }
 
        #endregion
    }
}
File: FixAnalyzers\FixerWithFixAllAnalyzerTests.Fixer.cs	Web Access
Project: src\src\RoslynAnalyzers\Microsoft.CodeAnalysis.Analyzers\UnitTests\Microsoft.CodeAnalysis.Analyzers.UnitTests.csproj (Microsoft.CodeAnalysis.Analyzers.UnitTests)