aspnetcore/src/Logging.AzureAppServices/test/AzureBlobSinkTests.cs

99 lines
3.6 KiB
C#

// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Moq;
using Xunit;
namespace Microsoft.Extensions.Logging.AzureAppServices.Test
{
public class AzureBlobSinkTests
{
DateTimeOffset _timestampOne = new DateTimeOffset(2016, 05, 04, 03, 02, 01, TimeSpan.Zero);
[Fact]
public async Task WritesMessagesInBatches()
{
var blob = new Mock<ICloudAppendBlob>();
var buffers = new List<byte[]>();
blob.Setup(b => b.AppendAsync(It.IsAny<ArraySegment<byte>>(), It.IsAny<CancellationToken>()))
.Callback((ArraySegment<byte> s, CancellationToken ct) => buffers.Add(ToArray(s)))
.Returns(Task.CompletedTask);
var sink = new TestBlobSink(name => blob.Object);
var logger = (BatchingLogger)sink.CreateLogger("Cat");
await sink.IntervalControl.Pause;
for (int i = 0; i < 5; i++)
{
logger.Log(_timestampOne, LogLevel.Information, 0, "Text " + i, null, (state, ex) => state);
}
sink.IntervalControl.Resume();
await sink.IntervalControl.Pause;
Assert.Single(buffers);
Assert.Equal(
"2016-05-04 03:02:01.000 +00:00 [Information] Cat: Text 0" + Environment.NewLine +
"2016-05-04 03:02:01.000 +00:00 [Information] Cat: Text 1" + Environment.NewLine +
"2016-05-04 03:02:01.000 +00:00 [Information] Cat: Text 2" + Environment.NewLine +
"2016-05-04 03:02:01.000 +00:00 [Information] Cat: Text 3" + Environment.NewLine +
"2016-05-04 03:02:01.000 +00:00 [Information] Cat: Text 4" + Environment.NewLine,
Encoding.UTF8.GetString(buffers[0]));
}
[Fact]
public async Task GroupsByHour()
{
var blob = new Mock<ICloudAppendBlob>();
var buffers = new List<byte[]>();
var names = new List<string>();
blob.Setup(b => b.AppendAsync(It.IsAny<ArraySegment<byte>>(), It.IsAny<CancellationToken>()))
.Callback((ArraySegment<byte> s, CancellationToken ct) => buffers.Add(ToArray(s)))
.Returns(Task.CompletedTask);
var sink = new TestBlobSink(name =>
{
names.Add(name);
return blob.Object;
});
var logger = (BatchingLogger)sink.CreateLogger("Cat");
await sink.IntervalControl.Pause;
var startDate = _timestampOne;
for (int i = 0; i < 3; i++)
{
logger.Log(startDate, LogLevel.Information, 0, "Text " + i, null, (state, ex) => state);
startDate = startDate.AddHours(1);
}
sink.IntervalControl.Resume();
await sink.IntervalControl.Pause;
Assert.Equal(3, buffers.Count);
Assert.Equal("appname/2016/05/04/03/42_filename", names[0]);
Assert.Equal("appname/2016/05/04/04/42_filename", names[1]);
Assert.Equal("appname/2016/05/04/05/42_filename", names[2]);
}
private byte[] ToArray(ArraySegment<byte> inputStream)
{
return inputStream.Array
.Skip(inputStream.Offset)
.Take(inputStream.Count)
.ToArray();
}
}
}