public override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
var root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
context.CancellationToken.ThrowIfCancellationRequested();
var diagnostic = context.Diagnostics.First();
var classNode = root.FindNode(diagnostic.Location.SourceSpan) as ClassDeclarationSyntax;
context.CancellationToken.ThrowIfCancellationRequested();
var hasNonPublicNoArgumentConstructor = bool.Parse(
diagnostic.Properties[PublicNoArgumentConstructorIsMissingConstants.HasNonPublicNoArgumentConstructor]);
if (hasNonPublicNoArgumentConstructor)
{
if (context.Document.SupportsSemanticModel)
{
var model = await context.Document.GetSemanticModelAsync(context.CancellationToken).ConfigureAwait(false);
CheckConstructorsAnalyzerPublicConstructorCodeFix.AddCodeFixWithUpdatingNonPublicConstructor(
context, root, diagnostic, classNode, model);
}
}
else
{
CheckConstructorsAnalyzerPublicConstructorCodeFix.AddCodeFixWithNewPublicConstructor(
context, root, diagnostic, classNode);
}
}
public void VerifyGetFixableDiagnosticIds()
{
var fix = new CheckConstructorsAnalyzerPublicConstructorCodeFix();
var ids = fix.FixableDiagnosticIds.ToList();
Assert.AreEqual(1, ids.Count, nameof(ids.Count));
Assert.AreEqual(PublicNoArgumentConstructorIsMissingConstants.DiagnosticId, ids[0],
nameof(PublicNoArgumentConstructorIsMissingConstants.DiagnosticId));
}
public async Task VerifyGetFixesWhenPrivateConstructorNoArgumentsExists()
{
var code = File.ReadAllText(
$@"Targets\{nameof(CheckConstructorsAnalyzerPublicConstructorCodeFixTests)}\{(nameof(this.VerifyGetFixesWhenPrivateConstructorNoArgumentsExists))}.cs");
var document = TestHelpers.Create(code);
var tree = await document.GetSyntaxTreeAsync();
var diagnostics = await TestHelpers.GetDiagnosticsAsync(code, new CheckConstructorsAnalyzer());
var sourceSpan = diagnostics[0].Location.SourceSpan;
var actions = new List<CodeAction>();
var codeActionRegistration = new Action<CodeAction, ImmutableArray<Diagnostic>>(
(a, _) => { actions.Add(a); });
var fix = new CheckConstructorsAnalyzerPublicConstructorCodeFix();
var codeFixContext = new CodeFixContext(document, diagnostics[0],
codeActionRegistration, new CancellationToken(false));
await fix.RegisterCodeFixesAsync(codeFixContext);
Assert.AreEqual(1, actions.Count, nameof(actions.Count));
await TestHelpers.VerifyActionAsync(actions,
CheckConstructorsAnalyzerPublicConstructorCodeFixConstants.UpdateNonPublicConstructorToPublicDescription, document,
tree, new[] { " public" });
}
