Microsoft.Azure.WebJobs.Script.Binding.HttpTriggerAttributeBindingProvider.HttpTriggerBinding.BindAsync C# (CSharp) Méthode

            public async Task<ITriggerData> BindAsync(object value, ValueBindingContext context)
            {
                HttpRequestMessage request = value as HttpRequestMessage;
                if (request == null)
                {
                    throw new NotSupportedException("An HttpRequestMessage is required");
                }

                IValueProvider valueProvider = null;
                object poco = null;
                IReadOnlyDictionary<string, object> userTypeBindingData = null;
                string invokeString = ToInvokeString(request);
                if (_isUserTypeBinding)
                {
                    valueProvider = await CreateUserTypeValueProvider(request, invokeString);
                    if (_bindingDataProvider != null)
                    {
                        // some binding data is defined by the user type
                        // the provider might be null if the Type is invalid, or if the Type
                        // has no public properties to bind to
                        poco = valueProvider.GetValue();
                        userTypeBindingData = _bindingDataProvider.GetBindingData(poco);
                    }
                }
                else
                {
                    valueProvider = new HttpRequestValueBinder(_parameter, request, invokeString);
                }

                // create a modifiable collection of binding data and
                // copy in any initial binding data from the poco
                var aggregateBindingData = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase);
                aggregateBindingData.AddRange(userTypeBindingData);

                // Apply additional binding data coming from request route, query params, etc.
                var requestBindingData = await GetRequestBindingDataAsync(request, _bindingDataContract);
                aggregateBindingData.AddRange(requestBindingData);

                // apply binding data to the user type
                if (poco != null && aggregateBindingData.Count > 0)
                {
                    ApplyBindingData(poco, aggregateBindingData);
                }

                return new TriggerData(valueProvider, aggregateBindingData);
            }

        public async Task BindAsync_String()
        {
            ParameterInfo parameterInfo = GetType().GetMethod("TestStringFunction").GetParameters()[0];
            HttpTriggerAttributeBindingProvider.HttpTriggerBinding binding = new HttpTriggerAttributeBindingProvider.HttpTriggerBinding(new HttpTriggerAttribute(), parameterInfo, false);

            HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, "http://functions/myfunc?code=abc123");
            request.Content = new StringContent("This is a test");
            request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/text");

            FunctionBindingContext functionContext = new FunctionBindingContext(Guid.NewGuid(), CancellationToken.None, new TestTraceWriter(TraceLevel.Verbose));
            ValueBindingContext context = new ValueBindingContext(functionContext, CancellationToken.None);
            ITriggerData triggerData = await binding.BindAsync(request, context);

            Assert.Equal(0, triggerData.BindingData.Count);

            string result = (string)triggerData.ValueProvider.GetValue();
            Assert.Equal("This is a test", result);
        }