public void ToolFormatConverter_FailsIfPluginAssemblyCannotBeLoaded()
{
using (var tempDir = new TempDirectory())
{
const string ToolName = "TestTool";
string PluginAssemblyPath = GetCurrentAssemblyPath();
string inputFilePath = tempDir.Write("input.txt", string.Empty);
string outputFilePath = tempDir.Combine("output.txt");
// Unlike all the other tests, which default-construct the converter, this test
// provides the converter with a delegate which simulates the failure to load the
// plugin assembly.
const string Message = "Something went dreadfully wrong.";
AssemblyLoadFileDelegate assemblyLoadFileDelegate = path => throw new BadImageFormatException(Message);
var converter = new ToolFormatConverter(assemblyLoadFileDelegate);
Action action = () => converter.ConvertToStandardFormat(
ToolName,
inputFilePath,
outputFilePath,
LoggingOptions.None,
OptionallyEmittedData.None,
PluginAssemblyPath);
// The attempt to convert the file should throw the same exception.
action.Should().Throw <BadImageFormatException>().WithMessage(Message);
}
}
public void ToolFormatConverter_BuildsChainOfResponsibility()
{
const string PluginAssemblyPath = "Plugin.dll";
ConverterFactory factory = new ToolFormatConverter().CreateConverterFactory(PluginAssemblyPath);
factory.Should().BeOfType <PluginConverterFactory>();
var pluginFactory = factory as PluginConverterFactory;
pluginFactory.pluginAssemblyPath.Should().Be(PluginAssemblyPath);
factory = factory.Next;
factory.Should().BeOfType <BuiltInConverterFactory>();
factory = factory.Next;
factory.Should().BeNull();
}
public void ToolFormatConverter_BuildsChainOfResponsibility()
{
const string PluginAssemblyPath = "Plugin.dll";
ConverterFactory factory = ToolFormatConverter.CreateConverterFactory(PluginAssemblyPath);
Assert.IsInstanceOfType(factory, typeof(PluginConverterFactory));
var pluginFactory = factory as PluginConverterFactory;
Assert.AreEqual(PluginAssemblyPath, pluginFactory.pluginAssemblyPath);
factory = factory.Next;
Assert.IsInstanceOfType(factory, typeof(BuiltInConverterFactory));
factory = factory.Next;
Assert.IsNull(factory);
}