public void GetFileTypes_ReturnsListOfAllFileTypesIncludingUnknown()
{
var handles = CreateRecognizerHandles(
new RecognizerInfo { Traits = new FileTypeRecognizerTraits("TypeA", "A") },
new RecognizerInfo { Traits = new FileTypeRecognizerTraits("TypeB", "B") { SuperTypeId = "TypeC" } },
new RecognizerInfo { Traits = new FileTypeRecognizerTraits("TypeC", "C") { SuperTypeId = "TypeD" } },
new RecognizerInfo { Traits = new FileTypeRecognizerTraits("TypeD", "D") });
var fileTypeManager = new FileTypeManager(handles);
var expectedFileTypes = new FileType[5];
expectedFileTypes[0] = new FileType("TypeA", "A", null);
expectedFileTypes[3] = new FileType("TypeD", "D", null);
expectedFileTypes[2] = new FileType("TypeC", "C", expectedFileTypes[3]);
expectedFileTypes[1] = new FileType("TypeB", "B", expectedFileTypes[2]);
expectedFileTypes[4] = fileTypeManager.UnknownFileType;
IList<FileType> actualFileTypes = fileTypeManager.GetFileTypes();
Assert.Over.KeyedPairs(
expectedFileTypes.ToDictionary(x => x.Id),
actualFileTypes.ToDictionary(x => x.Id),
(x, y) => AssertEx.That(() => AreEquivalent(x, y)));
}