private static bool IsIncluded(Diagnostic diagnostic, AllowedDiagnostics allowedDiagnostics)
{
return(allowedDiagnostics switch
{
AllowedDiagnostics.Warnings => diagnostic.Severity == DiagnosticSeverity.Error,
AllowedDiagnostics.None => diagnostic.Severity == DiagnosticSeverity.Error || diagnostic.Severity == DiagnosticSeverity.Warning,
AllowedDiagnostics.WarningsAndErrors => false,
_ => throw new ArgumentOutOfRangeException(),
});
private static bool IsIncluded(Diagnostic diagnostic, AllowedDiagnostics allowedDiagnostics)
{
switch (allowedDiagnostics)
{
case AllowedDiagnostics.Warnings:
return(diagnostic.Severity == DiagnosticSeverity.Error);
case AllowedDiagnostics.None:
return(diagnostic.Severity == DiagnosticSeverity.Error || diagnostic.Severity == DiagnosticSeverity.Warning);
case AllowedDiagnostics.WarningsAndErrors:
return(false);
default:
throw new ArgumentOutOfRangeException();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="AllowedDiagnosticsAttribute"/> class.
/// </summary>
/// <param name="allowedDiagnostics">The diagnostics to allow in the code generated by a code fix when calling AnalyzerAssert.CodeFix and AnalyzerAssert.FixAll.</param>
public AllowedDiagnosticsAttribute(AllowedDiagnostics allowedDiagnostics)
{
this.AllowedDiagnostics = allowedDiagnostics;
}
private static void NoCompilerErrors(IReadOnlyList <ImmutableArray <Diagnostic> > diagnostics, IReadOnlyList <string> allowedIds, AllowedDiagnostics allowedDiagnostics)
{
var introducedDiagnostics = diagnostics
.SelectMany(x => x)
.Where(x => IsIncluded(x, allowedDiagnostics))
.Where(x => !IsExcluded(x))
.ToArray();
if (introducedDiagnostics.Select(x => x.Id)
.Except(allowedIds ?? Enumerable.Empty <string>())
.Any())
{
var error = StringBuilderPool.Borrow();
error.AppendLine($"Found error{(introducedDiagnostics.Length > 1 ? "s" : string.Empty)}.");
foreach (var introducedDiagnostic in introducedDiagnostics)
{
error.AppendLine($"{introducedDiagnostic.ToErrorString()}");
}
throw new AssertException(StringBuilderPool.Return(error));
}
bool IsExcluded(Diagnostic diagnostic)
{
if (allowedIds.Contains(diagnostic.Id))
{
return(true);
}
switch (diagnostic.Id)
{
case "CS1061" when diagnostic.GetMessage(CultureInfo.InvariantCulture).Contains("does not contain a definition for 'InitializeComponent' and no accessible extension method 'InitializeComponent' accepting a first argument of type"):
return(true);
}
return(false);
}
}
/// <summary>
/// Check the solution for compiler errors and warnings.
/// </summary>
public static void NoCompilerErrors(Solution solution, IReadOnlyList <string> allowedIds, AllowedDiagnostics allowedDiagnostics)
{
var diagnostics = Analyze.GetDiagnostics(solution);
NoCompilerErrors(diagnostics, allowedIds, allowedDiagnostics);
}
/// <summary>
/// Check the solution for compiler errors and warnings, uses:
/// </summary>
public static async Task NoCompilerErrorsAsync(Solution solution, IReadOnlyList <string> allowedIds, AllowedDiagnostics allowedDiagnostics)
{
var diagnostics = await Analyze.GetDiagnosticsAsync(solution).ConfigureAwait(false);
var introducedDiagnostics = diagnostics
.SelectMany(x => x)
.Where(x => IsIncluded(x, allowedDiagnostics))
.ToArray();
if (introducedDiagnostics.Select(x => x.Id)
.Except(allowedIds ?? Enumerable.Empty <string>())
.Any())
{
var error = StringBuilderPool.Borrow();
error.AppendLine($"Found error{(introducedDiagnostics.Length > 1 ? "s" : string.Empty)}.");
foreach (var introducedDiagnostic in introducedDiagnostics)
{
var errorInfo = await introducedDiagnostic.ToStringAsync(solution).ConfigureAwait(false);
error.AppendLine($"{errorInfo}");
}
throw AssertException.Create(StringBuilderPool.Return(error));
}
}
