AdvancedDependencyInjectionTest.cs

// Copyright 2020, Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

using Google.Cloud.Functions.Testing;
using System;
using System.Text.Json;
using System.Threading.Tasks;
using Xunit;

namespace Google.Cloud.Functions.Examples.IntegrationTests;

public class AdvancedDependencyInjectionTest : FunctionTestBase<AdvancedDependencyInjection.Function>
{
    [Fact]
    public async Task SingletonOperationIdRemainsStable()
    {
        // Make two requests to the function. They should both return the same SingletonOperationId value.
        var response1 = await CallFunctionAsync();
        var response2 = await CallFunctionAsync();

        Assert.Equal(response1.SingletonOperationId, response2.SingletonOperationId);
    }

    [Fact]
    public async Task ScopedOperationIdChangesPerRequest()
    {
        // Make two requests to the function. They should provide different ScopedOperationId values.
        var response1 = await CallFunctionAsync();
        var response2 = await CallFunctionAsync();

        Assert.NotEqual(response1.ScopedOperationId, response2.ScopedOperationId);
    }

    private async Task<ResponseModel> CallFunctionAsync()
    {
        var content = await ExecuteHttpGetRequestAsync();
        return JsonSerializer.Deserialize<ResponseModel>(content);
    }

    private class ResponseModel
    {
        public Guid SingletonOperationId { get; set; }
        public Guid ScopedOperationId { get; set; }
    }
}