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[GH-62] - conflicting ref/out arguments - visual basic implementation
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59 changes: 59 additions & 0 deletions
59
...itute.Analyzers.VisualBasic/DiagnosticAnalyzers/ConflictingArgumentAssignmentsAnalyzer.cs
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using System.Collections.Generic; | ||
using System.Linq; | ||
using Microsoft.CodeAnalysis; | ||
using Microsoft.CodeAnalysis.Diagnostics; | ||
using Microsoft.CodeAnalysis.VisualBasic; | ||
using Microsoft.CodeAnalysis.VisualBasic.Syntax; | ||
using NSubstitute.Analyzers.Shared.DiagnosticAnalyzers; | ||
using NSubstitute.Analyzers.VisualBasic.Extensions; | ||
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namespace NSubstitute.Analyzers.VisualBasic.DiagnosticAnalyzers | ||
{ | ||
[DiagnosticAnalyzer(LanguageNames.VisualBasic)] | ||
internal class ConflictingArgumentAssignmentsAnalyzer : AbstractConflictingArgumentAssignmentsAnalyzer<SyntaxKind, InvocationExpressionSyntax, ExpressionSyntax, InvocationExpressionSyntax> | ||
{ | ||
public ConflictingArgumentAssignmentsAnalyzer() | ||
: base(new DiagnosticDescriptorsProvider()) | ||
{ | ||
} | ||
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protected override SyntaxKind InvocationExpressionKind { get; } = SyntaxKind.InvocationExpression; | ||
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protected override IEnumerable<ExpressionSyntax> GetArgumentExpressions(InvocationExpressionSyntax invocationExpressionSyntax) | ||
{ | ||
return invocationExpressionSyntax.ArgumentList.Arguments.Select(arg => arg.GetExpression()); | ||
} | ||
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protected override SyntaxNode GetSubstituteCall(SyntaxNodeAnalysisContext syntaxNodeContext, IMethodSymbol methodSymbol, InvocationExpressionSyntax invocationExpressionSyntax) | ||
{ | ||
return invocationExpressionSyntax.GetParentInvocationExpression(); | ||
} | ||
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protected override AbstractCallInfoFinder<InvocationExpressionSyntax, InvocationExpressionSyntax> GetCallInfoFinder() | ||
{ | ||
return new CallInfoCallFinder(); | ||
} | ||
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protected override int? GetIndexerPosition(SyntaxNodeAnalysisContext syntaxNodeAnalysisContext, InvocationExpressionSyntax indexerExpressionSyntax) | ||
{ | ||
var position = syntaxNodeAnalysisContext.SemanticModel.GetConstantValue(indexerExpressionSyntax.ArgumentList.Arguments.First().GetExpression()); | ||
return (int?)(position.HasValue ? position.Value : null); | ||
} | ||
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protected override ISymbol GetIndexerSymbol(SyntaxNodeAnalysisContext syntaxNodeAnalysisContext, InvocationExpressionSyntax indexerExpressionSyntax) | ||
{ | ||
return ModelExtensions.GetSymbolInfo(syntaxNodeAnalysisContext.SemanticModel, indexerExpressionSyntax).Symbol ?? | ||
ModelExtensions.GetSymbolInfo(syntaxNodeAnalysisContext.SemanticModel, indexerExpressionSyntax.Expression).Symbol; | ||
} | ||
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protected override SyntaxNode GetAssignmentExpression(InvocationExpressionSyntax indexerExpressionSyntax) | ||
{ | ||
if (indexerExpressionSyntax.Parent is AssignmentStatementSyntax assignmentExpressionSyntax) | ||
{ | ||
return assignmentExpressionSyntax.Right; | ||
} | ||
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return null; | ||
} | ||
} | ||
} |
179 changes: 179 additions & 0 deletions
179
...nalyzersTests/ConflictingArgumentAssignmentsAnalyzerTests/AndDoesAsOrdinaryMethodTests.cs
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using System.Threading.Tasks; | ||
using NSubstitute.Analyzers.Tests.Shared.Extensibility; | ||
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namespace NSubstitute.Analyzers.Tests.VisualBasic.DiagnosticAnalyzersTests.ConflictingArgumentAssignmentsAnalyzerTests | ||
{ | ||
[CombinatoryData("AndDoes")] | ||
public class AndDoesAsOrdinaryMethodTests : ConflictingArgumentAssignmentsDiagnosticVerifier | ||
{ | ||
public override async Task ReportsDiagnostic_When_AndDoesMethod_SetsSameArgument_AsPreviousSetupMethod(string method, string call, string previousCallArgAccess, string andDoesArgAccess) | ||
{ | ||
var source = $@"using System; | ||
using NSubstitute; | ||
namespace MyNamespace | ||
{{ | ||
public interface Foo | ||
{{ | ||
int Bar(int x); | ||
int Barr {{ get; }} | ||
int this[int x] {{ get; }} | ||
}} | ||
public class FooTests | ||
{{ | ||
public void Test() | ||
{{ | ||
var substitute = NSubstitute.Substitute.For<Foo>(); | ||
{call}.Returns(1).{method}(callInfo => | ||
{{ | ||
{previousCallArgAccess} | ||
}}).AndDoes(callInfo => | ||
{{ | ||
{andDoesArgAccess} | ||
}}); | ||
}} | ||
}} | ||
}}"; | ||
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await VerifyDiagnostic(source, Descriptor); | ||
} | ||
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public override async Task ReportsNoDiagnostics_When_AndDoesMethod_SetsDifferentArgument_AsPreviousSetupMethod(string method, string call, string andDoesArgAccess) | ||
{ | ||
var source = $@"using System; | ||
using NSubstitute; | ||
namespace MyNamespace | ||
{{ | ||
public interface Foo | ||
{{ | ||
int Bar(int x); | ||
int Barr {{ get; }} | ||
int this[int x] {{ get; }} | ||
}} | ||
public class FooTests | ||
{{ | ||
public void Test() | ||
{{ | ||
var substitute = NSubstitute.Substitute.For<Foo>(); | ||
{call}.Returns(1).{method}(callInfo => | ||
{{ | ||
callInfo[0] = 1; | ||
}}).AndDoes(callInfo => | ||
{{ | ||
{andDoesArgAccess} | ||
}}); | ||
}} | ||
}} | ||
}}"; | ||
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await VerifyNoDiagnostic(source); | ||
} | ||
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public override async Task ReportsNoDiagnostics_When_AndDoesMethod_AccessSameArguments_AsPreviousSetupMethod(string method, string call, string argAccess) | ||
{ | ||
var source = $@"using System; | ||
using NSubstitute; | ||
namespace MyNamespace | ||
{{ | ||
public interface Foo | ||
{{ | ||
int Bar(int x); | ||
int Barr {{ get; }} | ||
int this[int x] {{ get; }} | ||
}} | ||
public class FooTests | ||
{{ | ||
public void Test() | ||
{{ | ||
var substitute = NSubstitute.Substitute.For<Foo>(); | ||
{call}.Returns(1).{method}(callInfo => | ||
{{ | ||
{argAccess} | ||
}}).AndDoes(callInfo => | ||
{{ | ||
{argAccess} | ||
}}); | ||
}} | ||
}} | ||
}}"; | ||
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await VerifyNoDiagnostic(source); | ||
} | ||
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public override async Task ReportsNoDiagnostics_When_AndDoesMethod_SetSameArguments_AsPreviousSetupMethod_SetsIndirectly(string method) | ||
{ | ||
var source = $@"using System; | ||
using NSubstitute; | ||
namespace MyNamespace | ||
{{ | ||
public interface Foo | ||
{{ | ||
int Bar(int x); | ||
}} | ||
public class FooTests | ||
{{ | ||
public void Test() | ||
{{ | ||
var substitute = NSubstitute.Substitute.For<Foo>(); | ||
substitute.Bar(Arg.Any<int>()).Returns(1).{method}(callInfo => | ||
{{ | ||
callInfo.Args()[0] = 1; | ||
callInfo.ArgTypes()[0] = typeof(int); | ||
((byte[])callInfo[0])[0] = 1; | ||
}}).AndDoes(callInfo => | ||
{{ | ||
callInfo[0] = 1; | ||
}}); | ||
}} | ||
}} | ||
}}"; | ||
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await VerifyNoDiagnostic(source); | ||
} | ||
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public override async Task ReportsNoDiagnostic_When_AndDoesMethod_SetArgument_AndPreviousMethod_IsNotUsedWithCallInfo(string method, string call, string andDoesArgAccess) | ||
{ | ||
var source = $@"using System; | ||
using NSubstitute; | ||
namespace MyNamespace | ||
{{ | ||
public interface Foo | ||
{{ | ||
int Bar(int x); | ||
int Barr {{ get; }} | ||
int this[int x] {{ get; }} | ||
}} | ||
public class FooTests | ||
{{ | ||
public void Test() | ||
{{ | ||
var substitute = NSubstitute.Substitute.For<Foo>(); | ||
{call}.Returns(1).{method}(_ => {{}}).AndDoes(callInfo => | ||
{{ | ||
{andDoesArgAccess} | ||
}}); | ||
}} | ||
}} | ||
}}"; | ||
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await VerifyNoDiagnostic(source); | ||
} | ||
} | ||
} |
50 changes: 50 additions & 0 deletions
50
...ctingArgumentAssignmentsAnalyzerTests/ConflictingArgumentAssignmentsDiagnosticVerifier.cs
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using System.Threading.Tasks; | ||
using Microsoft.CodeAnalysis; | ||
using Microsoft.CodeAnalysis.Diagnostics; | ||
using NSubstitute.Analyzers.Shared; | ||
using NSubstitute.Analyzers.Tests.Shared.DiagnosticAnalyzers; | ||
using NSubstitute.Analyzers.Tests.Shared.Extensibility; | ||
using NSubstitute.Analyzers.VisualBasic; | ||
using NSubstitute.Analyzers.VisualBasic.DiagnosticAnalyzers; | ||
using Xunit; | ||
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namespace NSubstitute.Analyzers.Tests.VisualBasic.DiagnosticAnalyzersTests.ConflictingArgumentAssignmentsAnalyzerTests | ||
{ | ||
public abstract class ConflictingArgumentAssignmentsDiagnosticVerifier : VisualBasicDiagnosticVerifier, IConflictingArgumentAssignmentsDiagnosticVerifier | ||
{ | ||
public DiagnosticDescriptor Descriptor { get; } = DiagnosticDescriptors<DiagnosticDescriptorsProvider>.ConflictingAssignmentsToOutRefArgument; | ||
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[CombinatoryTheory] | ||
[InlineData("substitute.Bar(Arg.Any<int>())", "callInfo[1] = 1;", "[|callInfo[1]|] = 1;")] | ||
[InlineData("substitute.Barr", "callInfo[1] = 1;", "[|callInfo[1]|] = 1;")] | ||
[InlineData("substitute[Arg.Any<int>()]", "callInfo[1] = 1;", "[|callInfo[1]|] = 1;")] | ||
public abstract Task ReportsDiagnostic_When_AndDoesMethod_SetsSameArgument_AsPreviousSetupMethod(string method, string call, string previousCallArgAccess, string andDoesArgAccess); | ||
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[CombinatoryTheory] | ||
[InlineData("substitute.Bar(Arg.Any<int>())", "callInfo[1] = 1;")] | ||
[InlineData("substitute.Barr", "callInfo[1] = 1;")] | ||
[InlineData("substitute[Arg.Any<int>()]", "callInfo[1] = 1;")] | ||
public abstract Task ReportsNoDiagnostics_When_AndDoesMethod_SetsDifferentArgument_AsPreviousSetupMethod(string method, string call, string andDoesArgAccess); | ||
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[CombinatoryTheory] | ||
[InlineData("substitute.Bar(Arg.Any<int>())", "var x = callInfo[1];")] | ||
[InlineData("substitute.Barr", "var x = callInfo[1];")] | ||
[InlineData("substitute[Arg.Any<int>()]", "var x = callInfo[1];")] | ||
public abstract Task ReportsNoDiagnostics_When_AndDoesMethod_AccessSameArguments_AsPreviousSetupMethod(string method, string call, string argAccess); | ||
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[CombinatoryTheory] | ||
[InlineData] | ||
public abstract Task ReportsNoDiagnostics_When_AndDoesMethod_SetSameArguments_AsPreviousSetupMethod_SetsIndirectly(string method); | ||
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[CombinatoryTheory] | ||
[InlineData("substitute.Bar(Arg.Any<int>())", "callInfo[1] = 1;")] | ||
[InlineData("substitute.Barr", "callInfo[1] = 1;")] | ||
[InlineData("substitute[Arg.Any<int>()]", "callInfo[1] = 1;")] | ||
public abstract Task ReportsNoDiagnostic_When_AndDoesMethod_SetArgument_AndPreviousMethod_IsNotUsedWithCallInfo(string method, string call, string andDoesArgAccess); | ||
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protected override DiagnosticAnalyzer GetDiagnosticAnalyzer() | ||
{ | ||
return new ConflictingArgumentAssignmentsAnalyzer(); | ||
} | ||
} | ||
} |
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