public void UnknownFileType_ReturnsAFileTypeCalledUnknown()
{
var handles = CreateRecognizerHandles();
var fileTypeManager = new FileTypeManager(handles);
FileType fileType = fileTypeManager.UnknownFileType;
Assert.Multiple(() =>
{
Assert.AreEqual("Unknown", fileType.Id);
Assert.AreEqual("File of unknown type.", fileType.Description);
Assert.IsNull(fileType.SuperType);
});
}
public void GetFileTypeById_WhenIdIsNull_Throws()
{
var handles = CreateRecognizerHandles();
var fileTypeManager = new FileTypeManager(handles);
Assert.Throws<ArgumentNullException>(() => fileTypeManager.GetFileTypeById(null));
}
public void IdentifyFileType_FileInspector_WhenContentsNotAvailable_ReturnsTypeOnlyIfNoContentCriteriaAndRecognizerMatches(
bool contentCriteria, bool recognizerResult, bool expectedMatch)
{
var inspector = new FakeFileInspector();
var recognizer = MockRepository.GenerateStub<IFileTypeRecognizer>();
recognizer.Stub(x => x.IsRecognizedFile(inspector)).Return(recognizerResult);
var handles = CreateRecognizerHandles(
new RecognizerInfo
{
Traits = new FileTypeRecognizerTraits("TypeA", "A")
{
ContentsRegex = contentCriteria ? ".*" : null
},
Recognizer = recognizer
});
var fileTypeManager = new FileTypeManager(handles);
FileType fileType = fileTypeManager.IdentifyFileType(inspector);
Assert.AreEqual(expectedMatch ? "TypeA" : "Unknown", fileType.Id);
}
public void IdentifyFileType_FileInspectorWithCandidates_WhenMatchCriteriaAndCandidatesAreVaried_ReturnsTypeIfMatchedOrUnknownOtherwise(
bool includeSupertypeAsCandidate, bool includeSubtypeAsCandidate,
bool superRecognizerResult, bool subRecognizerResult,
string expectedMatchType)
{
var inspector = new FakeFileInspector()
{
FileInfo = new FileInfo(@"C:\file.txt"),
Contents = "contents"
};
var superRecognizer = MockRepository.GenerateStub<IFileTypeRecognizer>();
superRecognizer.Stub(x => x.IsRecognizedFile(inspector)).Return(superRecognizerResult);
var subRecognizer = MockRepository.GenerateStub<IFileTypeRecognizer>();
subRecognizer.Stub(x => x.IsRecognizedFile(inspector)).Return(subRecognizerResult);
var handles = CreateRecognizerHandles(
new RecognizerInfo
{
Traits = new FileTypeRecognizerTraits("SuperType", "Super"),
Recognizer = superRecognizer
},
new RecognizerInfo
{
Traits = new FileTypeRecognizerTraits("SubType", "Sub") { SuperTypeId = "SuperType" },
Recognizer = subRecognizer
});
var fileTypeManager = new FileTypeManager(handles);
var candidates = new List<FileType>();
if (includeSupertypeAsCandidate)
candidates.Add(fileTypeManager.GetFileTypeById("SuperType"));
if (includeSubtypeAsCandidate)
candidates.Add(fileTypeManager.GetFileTypeById("SubType"));
FileType fileType = fileTypeManager.IdentifyFileType(inspector, candidates);
Assert.AreEqual(expectedMatchType, fileType.Id);
}
public void IdentifyFileType_FileInspectorWithCandidates_WhenCandidatesIsNull_Throws()
{
var handles = CreateRecognizerHandles();
var fileTypeManager = new FileTypeManager(handles);
Assert.Throws<ArgumentNullException>(() => fileTypeManager.IdentifyFileType(MockRepository.GenerateStub<IFileInspector>(), null));
}
public void IdentifyFileType_FileInspector_WhenMatchCriteriaAreVaried_ReturnsTypeIfMatchedOrUnknownOtherwise(string fileNameRegex, string contentsRegex, bool recognizerResult,
bool expectedMatch)
{
var inspector = new FakeFileInspector()
{
FileInfo = new FileInfo(@"C:\file.txt"),
Contents = "contents"
};
var recognizer = MockRepository.GenerateStub<IFileTypeRecognizer>();
recognizer.Stub(x => x.IsRecognizedFile(inspector)).Return(recognizerResult);
var handles = CreateRecognizerHandles(
new RecognizerInfo
{
Traits = new FileTypeRecognizerTraits("TypeA", "A")
{
FileNameRegex = fileNameRegex,
ContentsRegex = contentsRegex
},
Recognizer = recognizer
});
var fileTypeManager = new FileTypeManager(handles);
FileType fileType = fileTypeManager.IdentifyFileType(inspector);
Assert.AreEqual(expectedMatch ? "TypeA" : "Unknown", fileType.Id);
}
public void IdentifyFileType_FileInspectorWithCandidates_WhenFileInspectorIsNull_Throws()
{
var handles = CreateRecognizerHandles();
var fileTypeManager = new FileTypeManager(handles);
Assert.Throws<ArgumentNullException>(() => fileTypeManager.IdentifyFileType((IFileInspector)null, new FileType[0]));
}
public void IdentifyFileType_FileInfoWithCandidates_WhenCandidatesIsNull_Throws()
{
var handles = CreateRecognizerHandles();
var fileTypeManager = new FileTypeManager(handles);
Assert.Throws<ArgumentNullException>(() => fileTypeManager.IdentifyFileType(new FileInfo(@"C:\"), null));
}
public void IdentifyFileType_FileInfo_WhenFileInfoIsNull_Throws()
{
var handles = CreateRecognizerHandles();
var fileTypeManager = new FileTypeManager(handles);
Assert.Throws<ArgumentNullException>(() => fileTypeManager.IdentifyFileType((FileInfo)null));
}
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)));
}
public void GetFileTypeById_WhenIdIsNotKnown_ReturnsNull()
{
var handles = CreateRecognizerHandles();
var fileTypeManager = new FileTypeManager(handles);
Assert.IsNull(fileTypeManager.GetFileTypeById("Type"));
}
public void GetFileTypeById_WhenIdIsKnown_ReturnsFileType()
{
var handles = CreateRecognizerHandles(
new RecognizerInfo { Traits = new FileTypeRecognizerTraits("Type", "A file type.") });
var fileTypeManager = new FileTypeManager(handles);
FileType fileType = fileTypeManager.GetFileTypeById("Type");
Assert.AreEqual("Type", fileType.Id);
Assert.AreEqual("A file type.", fileType.Description);
}
public void GetFileTypeById_WhenIdIsTheUnknownFileTypeId_ReturnsUnknownFileType()
{
var handles = CreateRecognizerHandles();
var fileTypeManager = new FileTypeManager(handles);
FileType fileType = fileTypeManager.GetFileTypeById("Unknown");
Assert.AreSame(fileTypeManager.UnknownFileType, fileType);
}