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NUnit2DriverFactory.cs
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NUnit2DriverFactory.cs
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// ***********************************************************************
// Copyright (c) 2014 Charlie Poole, Rob Prouse
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// ***********************************************************************
#if NETFRAMEWORK
using System;
using System.Collections.Generic;
using System.Reflection;
using NUnit.Engine.Extensibility;
using NUnit.Engine.Internal;
namespace NUnit.Engine.Drivers
{
public class NUnit2DriverFactory : IDriverFactory
{
private const string NUNIT_FRAMEWORK = "nunit.framework";
private const string NUNITLITE_FRAMEWORK = "nunitlite";
private ExtensionNode _driverNode;
// TODO: This should be a central service but for now it's local
private ProvidedPathsAssemblyResolver _resolver;
bool _resolverInstalled;
public NUnit2DriverFactory(ExtensionNode driverNode)
{
_driverNode = driverNode;
_resolver = new ProvidedPathsAssemblyResolver();
}
/// <summary>
/// Gets a flag indicating whether a given assembly name and version
/// represent a test framework supported by this factory.
/// </summary>
/// <param name="reference">An AssemblyName referring to the possible test framework.</param>
public bool IsSupportedTestFramework(AssemblyName reference)
{
return NUNIT_FRAMEWORK.Equals(reference.Name, StringComparison.OrdinalIgnoreCase) && reference.Version.Major == 2
|| NUNITLITE_FRAMEWORK.Equals(reference.Name, StringComparison.OrdinalIgnoreCase) && reference.Version.Major == 1;
}
/// <summary>
/// Gets a driver for a given test assembly and a framework
/// which the assembly is already known to reference.
/// </summary>
/// <param name="domain">The domain in which the assembly will be loaded</param>
/// <param name="reference">The name of the test framework reference</param>
/// <returns></returns>
public IFrameworkDriver GetDriver(AppDomain domain, AssemblyName reference)
{
if (!IsSupportedTestFramework(reference))
throw new ArgumentException("Invalid framework", "reference");
if (!_resolverInstalled)
{
_resolver.Install();
_resolverInstalled = true;
_resolver.AddPathFromFile(_driverNode.AssemblyPath);
}
return _driverNode.CreateExtensionObject(domain) as IFrameworkDriver;
}
}
}
#endif