SimpleDependencyInjectionTest.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 Microsoft.Extensions.Logging;
using System.Threading.Tasks;
using Xunit;

namespace Google.Cloud.Functions.Examples.IntegrationTests;

public class SimpleDependencyInjectionTest
{
    [Fact]
    public async Task LogEntryIsRecorded()
    {
        using (var server = new FunctionTestServer<SimpleDependencyInjection.Function>())
        {
            // We shouldn't have any log entries (for the function's category) at the start of the test.
            Assert.Empty(server.GetFunctionLogEntries());
            // Note: server.GetFunctionLogEntries() is equivalent to
            // server.GetLogEntries(typeof(SimpleDependencyInjection.Function)

            var client = server.CreateClient();

            // Make a request to the function.
            var response = await client.GetAsync("sample-path");
            response.EnsureSuccessStatusCode();

            // Check that we got the expected log entry.
            var logs = server.GetFunctionLogEntries();
            var entry = Assert.Single(logs);

            Assert.Equal(LogLevel.Information, entry.Level);
            Assert.Equal("Function called with path /sample-path", entry.Message);
        }
    }
}