public void CanAvoidMatchingFileType(IFileMagicNumberMapping fileMagicNumberMapping, byte[] testFileContents)
{
var magicNumberMatcher = new MagicNumberMatcher(fileMagicNumberMapping);
var identifiedFileType = magicNumberMatcher.MatchFileType(testFileContents);
identifiedFileType.Should().BeNull("no file type should have been identified");
}
public void CanMatchFileType(IFileMagicNumberMapping fileMagicNumberMapping, byte[] testFileContents, string actualFileType)
{
var magicNumberMatcher = new MagicNumberMatcher(fileMagicNumberMapping);
var identifiedFileType = magicNumberMatcher.MatchFileType(testFileContents);
identifiedFileType.Should().NotBeNull("a file type should have been identified");
identifiedFileType.Should().Be(actualFileType);
}
/// <summary>
/// Creates a new magicNumberMatcher, that are able to recognize the magic numbers found in the provided mapping.
/// </summary>
public MagicNumberMatcher(IFileMagicNumberMapping fileMagicNumberMapping)
{
_fileMagicNumberMapping = fileMagicNumberMapping;
}
/// <summary>
/// Creates a FileTypeIdentifier that will match file magic numbers using the provided magic number mapping and the
/// default magic number matcher.
/// </summary>
public FileTypeIdentifier(IFileMagicNumberMapping fileMagicNumberMapping)
{
_fileMagicNumberMatcher = new MagicNumberMatcher(fileMagicNumberMapping);
}
