private static IRhetosRuntime CreateRhetosRuntimeInstance(ILogProvider logProvider, string rhetosRuntimePath)
{
var assemblyResolver = AssemblyResolver.GetResolveEventHandler(new[] { rhetosRuntimePath }, logProvider, true);
AppDomain.CurrentDomain.AssemblyResolve += assemblyResolver;
try
{
var pluginScanner = new PluginScanner(new[] { rhetosRuntimePath }, Path.GetDirectoryName(rhetosRuntimePath), logProvider, new PluginScannerOptions());
var rhetosRuntimeTypes = pluginScanner.FindPlugins(typeof(IRhetosRuntime)).Select(x => x.Type).ToList();
if (rhetosRuntimeTypes.Count == 0)
{
throw new FrameworkException($"No implementation of interface {nameof(IRhetosRuntime)} found with Export attribute.");
}
if (rhetosRuntimeTypes.Count > 1)
{
throw new FrameworkException($"Found multiple implementation of the type {nameof(IRhetosRuntime)}.");
}
var rhetosRuntimeInstance = (IRhetosRuntime)Activator.CreateInstance(rhetosRuntimeTypes.Single());
return(rhetosRuntimeInstance);
}
finally
{
AppDomain.CurrentDomain.AssemblyResolve -= assemblyResolver;
}
}
public void AnalyzeAndReportTypeLoadException()
{
var incompatibleAssemblies = new[] { GetIncompatibleAssemblyPath() };
var pluginsScanner = new PluginScanner(incompatibleAssemblies, ".", new ConsoleLogProvider(), new PluginScannerOptions());
TestUtility.ShouldFail <FrameworkException>(
() => pluginsScanner.FindPlugins(typeof(IGenerator)),
"Please check if the assembly is missing or has a different version.",
"'Rhetos.RestGenerator.dll' throws FileNotFoundException: Could not load file or assembly 'Autofac, Version=3.5.0.0, Culture=neutral, PublicKeyToken=17863af14b0044da' or one of its dependencies. The system cannot find the file specified.");
}
public void AnalyzeAndReportTypeLoadException()
{
// The "TestReference" project is used because it has dependencies to libraries that are not available in the current project.
string incompatibleAssemblyPath = FindIncompatibleAssemblyPath("Rhetos.Extensibility.TestReference");
// Copying the "TestReference" assembly to local folder, to avoid automatic detection of dependency libraries that exist in its original location.
// The goal is to try loading the test assembly without dependencies available.
CopyAssemblyToLocalFolder(ref incompatibleAssemblyPath);
// Searching for plugins in the "TestReference" assembly should fail because is references dependency that is not available.
var pluginsScanner = new PluginScanner(new[] { incompatibleAssemblyPath }, new RhetosBuildEnvironment {
CacheFolder = "."
}, new ConsoleLogProvider(), new PluginScannerOptions());
TestUtility.ShouldFail <FrameworkException>(
() => pluginsScanner.FindPlugins(typeof(ICloneable)),
"Please check if the assembly is missing or has a different version.",
// The error shout report: (1) the assembly that causes the error, and (2) the missing assembly that is required for the first one to load.
"'Rhetos.Extensibility.TestReference.dll' throws FileNotFoundException: Could not load file or assembly 'Microsoft.Extensions.Primitives, Version=5.0.0.0, Culture=neutral, PublicKeyToken=adb9793829ddae60'. The system cannot find the file specified.");
}