I have a small hosting class that works on a WinForms app. But it gives an
InvalidProgramException when called from a NUnit test.
The test project is within the IronPython solution and I've referenced
IronPython, IronPython.Modules and Microsoft.Scripting.
I'd like to know if other people were able to test hosting using NUnit.
Thanks.
**********
This is the error report:
**********
------ Test started: Assembly: HostingTest.dll ------
TestCase 'HostingTest.Class1.TestHosting'
failed: Microsoft.Scripting.InvalidImplementationException : Type '
IronPython.Runtime.PythonContext' doesn't provide a suitable public
constructor or its implementation is faulty.
----> System.TypeInitializationException : O inicializador de tipo de '
IronPython.Runtime.Importer' acionou uma exceção.
----> System.InvalidProgramException : Common Language Runtime detectou um
programa inválido.
C:\Temp\IronPython v2.0 Alpha 8\IronPython-
2.0A8-Src\IronPython-2.0A8\Src\Microsoft.Scripting\Utils\ReflectionUtils.cs(129,0):
em Microsoft.Scripting.Utils.ReflectionUtils.CreateInstance[T](Type
actualType, Object[] args)
C:\Temp\IronPython v2.0 Alpha 8\IronPython-
2.0A8-Src\IronPython-2.0A8\Src\Microsoft.Scripting\ScriptDomainManager.cs(276,0):
em
Microsoft.Scripting.ScriptDomainManager.LanguageRegistration.LoadLanguageContext(ScriptDomainManager
manager)
C:\Temp\IronPython v2.0 Alpha 8\IronPython-
2.0A8-Src\IronPython-2.0A8\Src\Microsoft.Scripting\ScriptDomainManager.cs(387,0):
em Microsoft.Scripting.ScriptDomainManager.TryGetLanguageContext(String
languageId, LanguageContext& languageContext)
C:\Temp\IronPython v2.0 Alpha 8\IronPython-
2.0A8-Src\IronPython-2.0A8\Src\Microsoft.Scripting\ScriptDomainManager.cs(437,0):
em Microsoft.Scripting.ScriptDomainManager.GetEngine(String languageId)
C:\Temp\IronPython v2.0 Alpha 8\IronPython-
2.0A8-Src\IronPython-2.0A8\Src\Microsoft.Scripting\Hosting\ScriptEnvironment.cs(156,0):
em Microsoft.Scripting.Hosting.ScriptEnvironment.GetEngine(String
languageId)
C:\Temp\IronPython v2.0 Alpha 8\IronPython-
2.0A8-Src\IronPython-2.0A8\Src\HostingTest\Host.cs(11,0): em
HostingTest.Host.Teste()
C:\Temp\IronPython v2.0 Alpha 8\IronPython-
2.0A8-Src\IronPython-2.0A8\Src\HostingTest\Class1.cs(12,0): em
HostingTest.Class1.TestHosting()
--TypeInitializationException
em IronPython.Runtime.Importer..ctor(PythonContext context)
C:\Temp\IronPython v2.0 Alpha 8\IronPython-
2.0A8-Src\IronPython-2.0A8\Src\IronPython\Runtime\PythonContext.cs(120,0):
em IronPython.Runtime.PythonContext..ctor(ScriptDomainManager manager)
--InvalidProgramException
em Microsoft.Scripting.RuntimeHelpers.CreateSimpleCallSite
[T0,T1,T2,T3,T4,R]()
C:\Temp\IronPython v2.0 Alpha 8\IronPython-
2.0A8-Src\IronPython-2.0A8\Src\IronPython\Runtime\Importer.cs(74,0): em
IronPython.Runtime.Importer.MakeImportSite()
C:\Temp\IronPython v2.0 Alpha 8\IronPython-
2.0A8-Src\IronPython-2.0A8\Src\IronPython\Runtime\Importer.cs(49,0): em
IronPython.Runtime.Importer..cctor()
0 passed, 1 failed, 0 skipped, took 2,11 seconds.
**********
Class1.cs
**********
using NUnit.Framework;
namespace HostingTest
{
[TestFixture]
public class Class1
{
[Test]
public void TestHosting()
{
Host host = new Host();
string x = host.Test();
Assert.AreEqual("Hosting", x);
}
}
}
**********
Host.cs
**********
using Microsoft.Scripting;
using Microsoft.Scripting.Hosting;
namespace HostingTest
{
public class Host
{
public string Test()
{
IScriptEnvironment env = ScriptEnvironment.GetEnvironment();
IScriptEngine pe = env.GetEngine("py");
IScriptScope scope = env.CreateScope();
SourceUnit script = pe.CreateScriptSourceFromString(@"
def Test():
return 'Hosting'
", SourceCodeKind.Statements);
CompiledCode codigo = (CompiledCode)pe.Compile(script);
codigo.Execute(scope);
SourceUnit function = pe.CreateScriptSourceFromString("Test()");
CompiledCode funcao = (CompiledCode)pe.Compile(function);
return funcao.Evaluate(scope).ToString();
}
}
}
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