public async Task PipeLineTest()
{
IPipeBuilder <PipeTestContext> pipe = new PipeBuilder <PipeTestContext>()
.Use(c =>
{
c.Msg += "_1";
c.Value += 1;
}, "处理1")
.Use(async c => //100ms
{
await Task.Delay(1000);
c.Msg += "_2";
c.Value += 2;
}, "处理2")
.Use((c, t) => //1100ms
{
c.Msg += "_3";
#pragma warning disable AsyncFixer02 // Long-running or blocking operations inside an async method
Thread.Sleep(1000);
#pragma warning restore AsyncFixer02 // Long-running or blocking operations inside an async method
if (t.IsCancellationRequested)
{
return;
}
c.Value += 3;
}, "处理3")
.Use(async c => //2100ms
{
await Task.Delay(1000);
c.Msg += "_4";
c.Value += 4;
})
.UseSnapshotCloner(t =>
{
var s = JsonConvert.SerializeObject(t);
var r = JsonConvert.DeserializeObject <PipeTestContext>(s);
return(r);
})
.Build();
//full
var rst = await pipe.RunAsync(new PipeTestContext("Test", 0), CancellationToken.None);
rst.Body.Msg.Should().Be("Test_1_2_3_4");
rst.Body.Value.Should().Be(10);
rst.Snapshots.Count.Should().Be(4);
rst.Snapshots[0].Body.Msg.Should().Be("Test");
rst.Snapshots[1].Body.Msg.Should().Be("Test_1");
rst.Snapshots[2].Body.Msg.Should().Be("Test_1_2");
rst.Snapshots[3].Body.Msg.Should().Be("Test_1_2_3");
rst.Snapshots[0].Body.Value.Should().Be(0);
rst.Snapshots[1].Body.Value.Should().Be(1);
rst.Snapshots[2].Body.Value.Should().Be(3);
rst.Snapshots[3].Body.Value.Should().Be(6);
var dt = rst.Snapshots[0].CreateTime;
rst.Snapshots[1].CreateTime.Should().BeCloseTo(dt, 100);
rst.Snapshots[2].CreateTime.Should().BeCloseTo(dt.AddSeconds(1), 100);
rst.Snapshots[3].CreateTime.Should().BeCloseTo(dt.AddSeconds(2), 100);
//800ms _1_2
var rst800 = await pipe.RunAsync(new PipeTestContext("Test", 0), new CancellationTokenSource(800).Token);
var rst800CreateTimes = rst800.Snapshots.Select(p => p.CreateTime);
(rst800CreateTimes.Max() - rst800CreateTimes.Min()).TotalMilliseconds.Should()
.BeGreaterThan(800); //进入方法前不足800ms, 执行完毕后超过800ms, 快照间隔也超过了800ms
rst800.Body.Msg.Should().Be("Test_1_2");
rst800.Body.Value.Should().Be(3);
//2100ms _1_2_3(第三步执行中断, 因此快照与数据不符)
var rst1500 = await pipe.RunAsync(new PipeTestContext("Test", 0), new CancellationTokenSource(1500).Token);
var rst1500CreateTimes = rst1500.Snapshots.Select(p => p.CreateTime);
(rst1500CreateTimes.Max() - rst1500CreateTimes.Min()).TotalMilliseconds.Should().BeLessThan(1500);
rst1500.Body.Msg.Should().Be("Test_1_2_3");
rst1500.Body.Value.Should().Be(3); //执行中断, 因此不等于6
Debugger.Break();
}