[IronPython] Error only from Test Case

[Matt Beckius]

We're NUnit and TypeMock.

On Thu, Oct 23, 2008 at 4:38 PM, Dino Viehland <dinov at microsoft.com> wrote:

>  Are you using NUnit or NDepend?  There's an issue (that we believe is
> related to how the assemblies are being loaded) which we haven't tracked
> down just yet:
> http://www.mail-archive.com/users@lists.ironpython.com/msg07328.html
>
>
>
> Running the same code outside of NUnit or NDepend should work.
>
>
>
>
>
> *From:* users-bounces at lists.ironpython.com [mailto:
> users-bounces at lists.ironpython.com] *On Behalf Of *Matt Beckius
> *Sent:* Thursday, October 23, 2008 1:30 PM
> *To:* users at lists.ironpython.com
> *Subject:* [IronPython] Error only from Test Case
>
>
>
> The test below fails (see stacktrace).  If I take the exact same code and
> execute from a running program,it works just fine.
>
> Any suggestions,
>
>
>
> TIA
>
>
>
> Matt B.
>
>
>
>         [Test]
>
>         public void Statements()
>
>         {
>
>             var e = new IPEngine();
>
>             e.Scope.SetVariable("x","testing");
>
>             var script = "import System\nfrom System import *\nx =
> 'kosher'\nprint 'test'";
>
>             e.Execute(script);
>
>             Assert.AreEqual("kosher",e.Scope.GetVariable<string>("x"));
>
>         }
>
>
>
>
>
> failed: System.InvalidProgramException : Common Language Runtime detected
> an invalid program.
>
>             at
> Microsoft.Scripting.Actions.MatchCaller.Call6[T0,T1,T2,T3,T4,T5,TRet](Func`8
> target, CallSite site, Object[] args)
>
>             at
> Microsoft.Scripting.Actions.CallSite`1.UpdateAndExecute(Object[] args)
>
>             at
> Microsoft.Scripting.Actions.UpdateDelegates.Update6[T,T0,T1,T2,T3,T4,T5,TRet](CallSite
> site, T0 arg0, T1 arg1, T2 arg2, T3 arg3, T4 arg4, T5 arg5)
>
>             at IronPython.Runtime.Importer.Import(CodeContext context,
> String fullName, PythonTuple from, Int32 level)
>
>             at
> IronPython.Runtime.Operations.PythonOps.ImportTop(CodeContext context,
> String fullName, Int32 level)
>
>             at <module>$1##1(Closure , Scope , LanguageContext )
>
>             at
> Microsoft.Scripting.Runtime.OptimizedScriptCode.InvokeTarget(LambdaExpression
> code, Scope scope)
>
>             at Microsoft.Scripting.ScriptCode.Run(Scope scope)
>
>             at Microsoft.Scripting.SourceUnit.Execute(Scope scope,
> ErrorSink errorSink)
>
>             at
> Microsoft.Scripting.Hosting.ScriptSource.Execute(ScriptScope scope)
>
>
>
>     public class IPEngine
>
>     {
>
>         #region Member Vars
>
>
>
>         private readonly ScriptEngine engine;
>
>         private readonly ScriptScope scope;
>
>         private MemoryStream ms;
>
>
>
>         #endregion Member Vars
>
>
>
>         public IPEngine()
>
>         {
>
>             engine = Python.CreateEngine();
>
>             engine.ImportModule("clr");
>
>             engine.Runtime.LoadAssembly(typeof(System.String).Assembly);
>
>             scope = Engine.CreateScope();
>
>         }
>
>
>
>         public ScriptEngine Engine
>
>         {
>
>             get { return engine; }
>
>         }
>
>
>
>         public ScriptScope Scope
>
>         {
>
>             get { return scope; }
>
>         }
>
>
>
>         public void SetupOutput()
>
>         {
>
>             ms = new MemoryStream();
>
>             engine.Runtime.IO.SetOutput(ms, Encoding.UTF8);
>
>             //engine.Runtime.IO.SetErrorOutput(ms, Encoding.UTF8);
>
>         }
>
>
>
>         /// <summary>
>
>         /// Evaluates a single expressoin
>
>         /// </summary>
>
>         /// <typeparam name="T">Return Type</typeparam>
>
>         /// <param name="expression">Expressions to Eval</param>
>
>         /// <returns>T</returns>
>
>         public T Eval<T>(string expression)
>
>         {
>
>             SetupOutput();
>
>             var source = Engine.CreateScriptSourceFromString(expression,
> SourceCodeKind.Expression);
>
>             return source.Execute<T>(Scope);
>
>         }
>
>
>
>         public void Execute(string statements)
>
>         {
>
>             SetupOutput();
>
>             var source = engine.CreateScriptSourceFromString(statements,
> SourceCodeKind.Statements);
>
>             source.Execute(scope);
>
>         }
>
>
>
>         public string Output
>
>         {
>
>             get
>
>             {
>
>                 using (var sr = new StreamReader(ms))
>
>                 {
>
>                     ms.Position = 0;
>
>                     return sr.ReadToEnd();
>
>                 }
>
>             }
>
>         }
>
>     }
>
>
>
>
>
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