public void EmptyConfigAllowsEverything()
{
var config = ConfigFile.LoadFromString("").Value;
Assert.IsTrue(EvaluationEngine.IsOk("Abc", "Cde", config));
Assert.IsTrue(EvaluationEngine.IsOk("Abc", "Abc", config));
Assert.IsTrue(EvaluationEngine.IsOk("Abc.Cde", "Abc", config));
Assert.IsTrue(EvaluationEngine.IsOk("Abc", "Abc.Cde", config));
}
public void DisallowingSystemConsoleWorks()
{
var config = ConfigFile.LoadFromString(@"* => System.Console:
* -!> *").Value;
Assert.IsTrue(EvaluationEngine.IsOk("Abc", "System.String", config));
Assert.IsFalse(EvaluationEngine.IsOk("Abc", "System.Console", config));
Assert.IsFalse(EvaluationEngine.IsOk("System.Console", "System.Console", config));
}
public void BlogpostExample()
{
var config = ConfigFile.LoadFromString(@"Product => Product:
Product.Controllers->Product.Services
Product.Services->Product.Repositories
Product.Services->Product.Proxy
* -!> *").Value;
Assert.IsTrue(EvaluationEngine.IsOk("Product.Controllers.OrderController", "Product.Services.OrderService", config));
Assert.IsTrue(EvaluationEngine.IsOk("Product.Services.OrderService", "Product.Repositories.OrderRepository", config));
Assert.IsTrue(EvaluationEngine.IsOk("Product.Services.OrderService", "Product.Proxy.OrderProxy", config));
Assert.IsFalse(EvaluationEngine.IsOk("Product.Services.OrderService", "Product.Services.OrderService", config));
Assert.IsFalse(EvaluationEngine.IsOk("Product.Controllers.OrderController", "Product.Controllers.OrderController", config));
Assert.IsFalse(EvaluationEngine.IsOk("Product.Repositories.OrderRepository", "Product.Repositories.OrderRepository", config));
}
private void AnalyzeMethodInvocations(SyntaxNodeAnalysisContext context)
{
if (configFile == null)
{
return;
}
var invocationExpr = context.Node as InvocationExpressionSyntax;
if (invocationExpr == null)
{
return;
}
var callerNs = GetCallerNs(invocationExpr);
if (string.IsNullOrEmpty(callerNs))
{
return;
}
var returnTypeCalleeNs = GetCalleeReturnType(context, invocationExpr);
if (!EvaluationEngine.IsOk(callerNs, returnTypeCalleeNs, configFile.Value))
{
context.ReportDiagnostic(Diagnostic.Create(TransgressionRule, invocationExpr.GetLocation(), returnTypeCalleeNs, callerNs));
return;
}
var methodTypeCalleeNs = context.SemanticModel.GetSymbolInfo(invocationExpr).Symbol?.ContainingType?.GetNs();
if (!EvaluationEngine.IsOk(callerNs, methodTypeCalleeNs, configFile.Value))
{
context.ReportDiagnostic(Diagnostic.Create(TransgressionRule, invocationExpr.GetLocation(), methodTypeCalleeNs, callerNs));
}
}