For using Moq, I share with you how to implement this solution using Moq to test Azure Function Isolated .Net 8

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I share with you how to implement this solution using Moq to test Azure Function Isolated .Net 8

public static HttpRequestData CreateMockHttpRequestData(string body, string? schema = null)
{
    var functionContext = new Mock<FunctionContext>();
    var requestData = new Mock<HttpRequestData>(functionContext.Object);
    var serviceCollection = new ServiceCollection();
    serviceCollection.AddSingleton(Options.Create(new WorkerOptions { Serializer = new JsonObjectSerializer() }));

    var serviceProvider = serviceCollection.BuildServiceProvider();
    functionContext.Setup(context => context.InstanceServices).Returns(serviceProvider);

    var bodyForHttpRequest = GetBodyForHttpRequest(body);
    requestData.Setup(context => context.Body).Returns(bodyForHttpRequest);

    var headersForHttpRequestData = new HttpHeadersCollection();
    if (!string.IsNullOrWhiteSpace(schema))
    {
        headersForHttpRequestData.Add("Authorization", $"{schema} edd2545es.ez5ez5454e.ezdsdsds");
    }

    requestData.Setup(context => context.Headers).Returns(headersForHttpRequestData);

    return requestData.Object;
}

private static MemoryStream GetBodyForHttpRequest(string body)
{
    var byteArray = Encoding.UTF8.GetBytes(body);
    var memoryStream = new MemoryStream(byteArray);
    memoryStream.Flush();
    memoryStream.Position = 0;

    return memoryStream;
}