/// <summary>
/// Create an instance of the powershell adapter.
/// </summary>
/// <typeparam name="T">The type of the adapter.</typeparam>
/// <param name="scriptDirectory">The folder containing the script files.</param>
/// <param name="typeToProxy">The type of the adapter.</param>
/// <returns>The powershell adapter</returns>
public static T Wrap <T>(string scriptDirectory, Type typeToProxy) where T : IAdapter
{
object proxy = Create <T, PowerShellAdapterProxy>();
PowerShellAdapterProxy self = (PowerShellAdapterProxy)proxy;
AdapterProxyBase.SetParameters(self, typeToProxy);
self.scriptDirectory = scriptDirectory.Replace("\\", "/");
return((T)proxy);
}
/// <summary>
/// Implements <see cref="ITestSite.GetAdapter"/>
/// </summary>
/// <remarks>
/// For script and interactive adapter, test site provides the default implementations in PTF.
/// For managed adapter, test site provides the class instances according to the configuration, and if no class type is defined, it returns null.
/// The <see cref="IAdapter.Initialize"/> method is automatically called before the instances is returned.
/// </remarks>
/// <typeparam name="T">The type of the adapter.</typeparam>
/// <returns>An adapter instance of the given type.</returns>
public virtual T GetAdapter <T>() where T : IAdapter
{
// Set default value for compiling.
T adapter = default(T);
Type adapterType = typeof(T);
if (this.configData == null)
{
throw new InvalidOperationException("Configuration files is not present");
}
// Check if target type adapter is already created.
if (adapters.ContainsKey(adapterType))
{
return((T)adapters[adapterType]);
}
// Get target adapter type.
AdapterConfig adapterConfig = this.configData.GetAdapterConfig(adapterType.Name);
if (adapterConfig is InteractiveAdapterConfig)
{
adapter = InteractiveAdapterProxy.Wrap <T>(adapterType);
}
// Create proxy for PowerShell script type adapter
else if (adapterConfig is PowerShellAdapterConfig)
{
string scriptDir = Path.Combine(ptfconfigDirectory, ((PowerShellAdapterConfig)adapterConfig).ScriptDir);
adapter = PowerShellAdapterProxy.Wrap <T>(
scriptDir,
adapterType);
}
// Create proxy for Shell script type adapter
else if (adapterConfig is ShellAdapterConfig)
{
string scriptDir = ((ShellAdapterConfig)adapterConfig).ScriptDir;
adapter = ShellAdapterProxy.Wrap <T>(
scriptDir,
adapterType);
}
// Create instance for dot net type adapter.
if (adapterConfig is ManagedAdapterConfig)
{
try
{
string adapterTypeName = ((ManagedAdapterConfig)adapterConfig).AdapterType;
if (adapterType.IsGenericType)
{
IAdapter instance = TestToolHelpers.CreateInstanceFromTypeName(adapterTypeName) as IAdapter;
adapter = (T)instance;
}
else
{
Type adapterImplType = TestToolHelpers.ResolveTypeFromAssemblies(adapterTypeName, testAssemblyDirectory);
if (adapterImplType == null)
{
throw new InvalidOperationException(
String.Format("Can't find assembly \"{0}\"", adapterTypeName));
}
adapter = ManagedAdapterProxy.Wrap <T>(adapterImplType, adapterType);
}
// adapter is null if as operator fails due to an object can't be converted to IAdapter type
if (adapter == null)
{
throw new InvalidOperationException(
String.Format("Adapter {0} does not implement {1}",
adapterTypeName, adapterType.FullName));
}
}
catch (InvalidOperationException ex)
{
throw new InvalidOperationException(
String.Format("Adapter {0} instance creation failed. Reason:{1}",
adapterType.FullName, ex.ToString()));
}
catch (FileLoadException e)
{
throw new InvalidOperationException(
String.Format("The assembly of the adapter ({0}) could not be loaded.", adapterType.Name), e);
}
catch (FileNotFoundException e)
{
throw new InvalidOperationException(
String.Format("The assembly of the adapter ({0}) could not be found.", adapterType.Name), e);
}
catch (ArgumentException e)
{
throw new InvalidOperationException(
String.Format("The type of the adapter ({0}) could not be found.", adapterType.Name), e);
}
}
if (adapter == null)
{
throw new InvalidOperationException(String.Format("Failed while creating the adapter: {0}", adapterType.Name));
}
adapters.Add(adapterType, adapter);
adapter.Initialize(this);
return(adapter);
}
