public async Task HandleUpdateInfoAsync_Invokes_FetchFirmware_WhenUpdateAvailable()
{
// setup
using var memoryStream = new MemoryStream();
var strictifiedInput = JsonUtil.Strictify(CupsRequestJson);
var(httpContext, httpRequest, _) = SetupHttpContextWithRequest(strictifiedInput, memoryStream);
_ = httpRequest.Setup(r => r.ContentLength).Returns(Encoding.UTF8.GetByteCount(strictifiedInput));
var signatureBase64 = "ABCD";
// setting up the twin in such a way that there is a fw update but no matching checksum
var cupsTwinInfo = new CupsTwinInfo(new Uri(CupsUri),
new Uri(TcUri),
CredentialsChecksum,
CredentialsChecksum,
string.Empty,
string.Empty,
"anotherVersion",
KeyChecksum,
signatureBase64,
new Uri(FwUrl));
_ = this.basicsStationConfigurationService.Setup(m => m.GetCupsConfigAsync(It.IsAny <StationEui>(), It.IsAny <CancellationToken>()))
.Returns(Task.FromResult(cupsTwinInfo));
var firmwareBytes = new byte[] { 1, 2, 3 };
using var httpContent = new ByteArrayContent(firmwareBytes);
_ = this.deviceAPIServiceBase.Setup(m => m.FetchStationFirmwareAsync(It.IsAny <StationEui>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(httpContent);
// act
await this.processor.HandleUpdateInfoAsync(httpContext.Object, default);
// assert
this.deviceAPIServiceBase.Verify(m => m.FetchStationFirmwareAsync(StationEui.Parse(StationEuiString), It.IsAny <CancellationToken>()), Times.Once);
var expectedHeader = new CupsUpdateInfoResponseHeader
{
UpdateSignature = Convert.FromBase64String(signatureBase64),
SignatureKeyCrc = KeyChecksum,
UpdateDataLength = (uint)firmwareBytes.Length,
};
var expectedHeaderBytes = expectedHeader.Serialize(new byte[256].AsMemory()).ToArray();
var response = memoryStream.ToArray();
Assert.Equal(expectedHeaderBytes, response[..expectedHeaderBytes.Length]);
public void Serialize_WithNoUpdates()
{
var updateResponseHeader = new CupsUpdateInfoResponseHeader
{
SignatureKeyCrc = 0,
UpdateDataLength = 0,
};
using var memoryRental = MemoryPool <byte> .Shared.Rent(2048);
memoryRental.Memory.Span.Fill(0xbd);
// Act
var serializedResponse = updateResponseHeader.Serialize(memoryRental.Memory.Span);
var serializedResponseSpanReader = serializedResponse.GetReader();
// Assert
Assert.Equal(14, serializedResponse.Length);
Assert.True(serializedResponseSpanReader.ReadAll().All(b => b == 0));
Assert.True(memoryRental.Memory.Span[serializedResponse.Length..].ToArray().All(b => b == 0xbd));
