public void TestCalculateAsciiFile()
{
var calculator = new FileHashCalculator();
var filePathInput = "tux.txt";
var hashTypeInputs = new[]
{
HashType.MD5,
HashType.SHA1,
HashType.SHA256,
HashType.SHA512,
};
var expectedHasheStrings = new[]
{
"5ab6e4b98bc7fb716fc07ed98fedf802",
"2970eb1fef549b6a4039e7fd2336ba16b18bcbd2",
"ec2dc675422c8eeb1eef26e7c67c3d74713e947bda7378896d8e3cf4dc5f0161",
"b6e7a9b249cdfecdd037c1615dbfdfa35cd0e54e08cd27ed88fceb97296dfa1c512ecf636364f0c9ed6a49cee3574ea91327efc5969bd918175441777e8bc07f",
};
for (var i = 0; i < hashTypeInputs.Length; i++)
{
var hashTypeInput = hashTypeInputs[i];
var actualHash = calculator.Calculate(filePathInput, hashTypeInput);
var expectedHashString = expectedHasheStrings[i];
Assert.Equal(expectedHashString, actualHash.ComputedHash.ToHashString());
}
}
public void TestCalculateBinaryFile()
{
var calculator = new FileHashCalculator();
var filePathInput = "tux.png";
var hashTypeInputs = new[]
{
HashType.MD5,
HashType.SHA1,
HashType.SHA256,
HashType.SHA512,
};
var expectedHasheStrings = new[]
{
"bede490bfe83a2847e1503b3eb5085c7",
"be598b6d3e3f4f4232abbdc1e90ff900a0c3ccd2",
"8fc6897c39e60c0d246d992c9b7057ac483f37a7b0d85b69bdc42c652e9a60ee",
"7b9f4e15ee56cdcf075a736ffb2766e44573601fbbdc485a9bf4a710ee49b41d5c57367ebbf9caecf995404e2f14e98a61986488a0981433ea228d60c86a5a09",
};
for (var i = 0; i < hashTypeInputs.Length; i++)
{
var hashTypeInput = hashTypeInputs[i];
var actualHash = calculator.Calculate(filePathInput, hashTypeInput);
var expectedHashString = expectedHasheStrings[i];
Assert.Equal(expectedHashString, actualHash.ComputedHash.ToHashString());
}
}
public void Should_Throw_If_File_Path_Is_Null()
{
// Given
var fileSystem = Substitute.For <IFileSystem>();
var calculator = new FileHashCalculator(fileSystem);
// When
var result = Record.Exception(() => calculator.Calculate(null, HashAlgorithm.MD5));
// Then
Assert.IsArgumentNullException(result, "filePath");
}
public void Should_Throw_If_File_Does_Not_Exist()
{
// Given
var fileSystem = Substitute.For <IFileSystem>();
var file = Substitute.For <IFile>();
file.Exists.Returns(false);
fileSystem.GetFile(Arg.Any <FilePath>()).Returns(file);
var calculator = new FileHashCalculator(fileSystem);
// When
var result = Record.Exception(() => calculator.Calculate("./non-existent-path", HashAlgorithm.MD5));
// Then
Assert.IsExceptionWithMessage <CakeException>(result, "File 'non-existent-path' does not exist.");
}
