public Task <string> GenerateGenericKeyAsync(IEnumerable <string> keyElementCollection)
{
NullGuard.NotNull(keyElementCollection, nameof(keyElementCollection));
string[] keyElementArray = keyElementCollection.ToArray();
ValidateKeyElementCollection(keyElementArray, typeof(IEnumerable <string>), nameof(keyElementCollection));
return(_hashKeyGenerator.ComputeHashAsync(ToByteArray(Join(keyElementArray))));
}
public async Task ComputeHashAsync_WhenCalledWithDifferentByteCollectionsSameInstance_ReturnsDifferentStrings()
{
IHashKeyGenerator sut = CreateSut();
string result = await sut.ComputeHashAsync(_fixture.CreateMany <byte>(_random.Next(128, 256)).ToArray());
foreach (byte[] byteCollection in new[] { _fixture.CreateMany <byte>(_random.Next(128, 256)).ToArray(), _fixture.CreateMany <byte>(_random.Next(128, 256)).ToArray(), _fixture.CreateMany <byte>(_random.Next(128, 256)).ToArray() })
{
Assert.That(await sut.ComputeHashAsync(byteCollection), Is.Not.EqualTo(result));
}
}
public async Task ComputeHashAsync_WhenByteCollectionIsNotNull_ReturnsStringWith88Characters()
{
IHashKeyGenerator sut = CreateSut();
string result = await sut.ComputeHashAsync(_fixture.CreateMany <byte>(_random.Next(128, 256)).ToArray());
Assert.That(result.Length, Is.EqualTo(88));
}
public async Task ComputeHashAsync_WhenByteCollectionIsNotNull_ReturnsBase64String()
{
IHashKeyGenerator sut = CreateSut();
string result = await sut.ComputeHashAsync(_fixture.CreateMany <byte>(_random.Next(128, 256)).ToArray());
Assert.That(result.IsBase64String(), Is.True);
}
public async Task ComputeHashAsync_WhenCalledWithSameByteCollectionOnDifferentInstances_ReturnsSameStringOnEachInstance()
{
IHashKeyGenerator sut = CreateSut();
byte[] byteCollection = _fixture.CreateMany <byte>(_random.Next(128, 256)).ToArray();
string result = await sut.ComputeHashAsync(byteCollection);
foreach (IHashKeyGenerator otherSut in new[] { CreateSut(), CreateSut(), CreateSut() })
{
Assert.That(await otherSut.ComputeHashAsync(byteCollection), Is.EqualTo(result));
}
}
public void ComputeHashAsync_WhenByteCollectionIsNull_ThrowsArgumentNullException()
{
IHashKeyGenerator sut = CreateSut();
ArgumentNullException result = Assert.ThrowsAsync <ArgumentNullException>(async() => await sut.ComputeHashAsync(null));
// ReSharper disable PossibleNullReferenceException
Assert.That(result.ParamName, Is.EqualTo("byteCollection"));
// ReSharper restore PossibleNullReferenceException
}