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Add CliFx.Analyzers (#50)

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This commit is contained in:
Alexey Golub
2020-04-25 18:03:21 +03:00
committed by GitHub
parent a28223fc8b
commit d25873ee10
22 changed files with 1426 additions and 33 deletions
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144
CliFx.Analyzers.Tests/ConsoleUsageAnalyzerTests.cs Normal file
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using System.Collections.Generic;
using CliFx.Analyzers.Tests.Internal;
using Microsoft.CodeAnalysis.Diagnostics;
using Xunit;
namespace CliFx.Analyzers.Tests
{
public class ConsoleUsageAnalyzerTests
{
private static DiagnosticAnalyzer Analyzer { get; } = new ConsoleUsageAnalyzer();
public static IEnumerable<object[]> GetValidCases()
{
yield return new object[]
{
new AnalyzerTestCase(
"Using console abstraction",
Analyzer.SupportedDiagnostics,
// language=cs
@"
[Command]
public class MyCommand : ICommand
{
public ValueTask ExecuteAsync(IConsole console)
{
console.Output.WriteLine(""Hello world"");
return default;
}
}"
)
};
yield return new object[]
{
new AnalyzerTestCase(
"Console abstraction is not available in scope",
Analyzer.SupportedDiagnostics,
// language=cs
@"
[Command]
public class MyCommand : ICommand
{
public void SomeOtherMethod() => Console.WriteLine(""Test"");
public ValueTask ExecuteAsync(IConsole console) => default;
}"
)
};
}
public static IEnumerable<object[]> GetInvalidCases()
{
yield return new object[]
{
new AnalyzerTestCase(
"Not using available console abstraction in the ExecuteAsync method",
Analyzer.SupportedDiagnostics,
// language=cs
@"
[Command]
public class MyCommand : ICommand
{
public ValueTask ExecuteAsync(IConsole console)
{
Console.WriteLine(""Hello world"");
return default;
}
}"
)
};
yield return new object[]
{
new AnalyzerTestCase(
"Not using available console abstraction in the ExecuteAsync method when writing stderr",
Analyzer.SupportedDiagnostics,
// language=cs
@"
[Command]
public class MyCommand : ICommand
{
public ValueTask ExecuteAsync(IConsole console)
{
Console.Error.WriteLine(""Hello world"");
return default;
}
}"
)
};
yield return new object[]
{
new AnalyzerTestCase(
"Not using available console abstraction while referencing System.Console by full name",
Analyzer.SupportedDiagnostics,
// language=cs
@"
[Command]
public class MyCommand : ICommand
{
public ValueTask ExecuteAsync(IConsole console)
{
System.Console.Error.WriteLine(""Hello world"");
return default;
}
}"
)
};
yield return new object[]
{
new AnalyzerTestCase(
"Not using available console abstraction in another method",
DiagnosticDescriptors.CliFx0100,
// language=cs
@"
[Command]
public class MyCommand : ICommand
{
public void SomeOtherMethod(IConsole console) => Console.WriteLine(""Test"");
public ValueTask ExecuteAsync(IConsole console) => default;
}"
)
};
}
[Theory]
[MemberData(nameof(GetValidCases))]
public void Valid(AnalyzerTestCase testCase) =>
Analyzer.Should().NotProduceDiagnostics(testCase);
[Theory]
[MemberData(nameof(GetInvalidCases))]
public void Invalid(AnalyzerTestCase testCase) =>
Analyzer.Should().ProduceDiagnostics(testCase);
}
}