public async Task UsingMultiMap()
{
using (var agg = new AggregationEngine())
{
await agg.InitAsync();
await agg.CreateAggregationAsync(new IndexDefinition
{
Name = "TotalMonthlyBill",
Maps =
{
"from sms in docs.Sms select new " +
"{ Calls = 0, Sms = 1, Key = sms.From + '/' + sms.At.Year +'/' + sms.At.Month}",
"from call in docs.Calls select new " +
"{ Calls = call.Duration.TotalSeconds, Sms = 0, Key = call.From + '/' + call.At.Year +'/' + call.At.Month }"
},
Reduce = "from result in results group result by result.Key into g " +
"select new {Calls = g.Sum(x=>x.Calls), Sms = g.Sum(x=>x.Sms), g.Key }"
});
for (int i = 0; i < 50; i++)
{
await agg.AppendAsync("Sms", new RavenJObject
{
{"From", "1234"},
{"At", new DateTime(2013, 6, 19).AddDays(i).ToString("o")}
});
}
for (int i = 0; i < 70; i++)
{
await agg.AppendAsync("Calls", new RavenJObject
{
{"From", "1234"},
{"At", new DateTime(2013, 6, 19).AddDays(i).ToString("o")},
{"Duration", TimeSpan.FromSeconds(i+4).ToString()}
});
}
var aggregation = agg.GetAggregation("TotalMonthlyBill");
await aggregation.WaitForEtagAsync(agg.LastGeneratedEtag);
var datas = aggregation.AggregationResults().ToArray();
Assert.Equal(3, datas.Length);
await agg.DisposeAsync();
}
}
public async Task CanAdd()
{
using (var agg = new AggregationEngine())
{
await agg.InitAsync();
await agg.CreateAggregationAsync(new IndexDefinition
{
Name = "Test",
Map = "from doc in docs select new { Count = 1}",
Reduce = "from result in results group result by 1 into g select new { Count = g.Sum(x=>x.Count) }"
});
Etag last = null;
for (int j = 0; j < 3; j++)
{
for (int i = 0; i < 15; i++)
{
last = await agg.AppendAsync("test", new RavenJObject { { "Item", i } });
}
var aggregation = agg.GetAggregation("test");
await aggregation.WaitForEtagAsync(last);
var eventDatas = agg.Events(Etag.Empty).ToList();
Assert.Equal(15 * (j + 1), eventDatas.Count);
var result = aggregation.AggregationResultFor("1");
Assert.Equal(eventDatas.Count, result.Value<int>("Count"));
}
await agg.DisposeAsync();
}
}
public async Task AfterRestartRememberLastEtag()
{
FileSystem fileSystem;
Etag lastGeneratedEtag;
using (var agg = new AggregationEngine())
{
await agg.InitAsync();
fileSystem = agg.Storage.StorageState.FileSystem;
for (int i = 0; i < 15; i++)
{
await agg.AppendAsync("test", new RavenJObject { { "Item", i } });
}
Assert.NotEqual(Etag.Empty, agg.LastGeneratedEtag);
lastGeneratedEtag = agg.LastGeneratedEtag;
await agg.DisposeAsync();
}
using (var agg = new AggregationEngine())
{
agg.Storage.StorageState.FileSystem = fileSystem;
await agg.InitAsync();
Assert.Equal(lastGeneratedEtag, agg.LastGeneratedEtag);
await agg.DisposeAsync();
}
}
public async Task CanAppend()
{
using (var agg = new AggregationEngine())
{
await agg.InitAsync();
for (int i = 0; i < 15; i++)
{
await agg.AppendAsync("test", new RavenJObject { { "Item", i } });
}
}
}
public async Task WillRememberAfterRestart()
{
FileSystem fs;
Etag last;
using (var agg = new AggregationEngine())
{
await agg.InitAsync();
fs = agg.Storage.StorageState.FileSystem;
await agg.CreateAggregationAsync(new IndexDefinition
{
Name = "Test",
Map = "from doc in docs select new { Count = 1}",
Reduce = "from result in results group result by 1 into g select new { Count = g.Sum(x=>x.Count) }"
});
var aggregation = agg.GetAggregation("test");
for (int j = 0; j < 3; j++)
{
Etag lastWrite = null;
for (int i = 0; i < 15; i++)
{
lastWrite = await agg.AppendAsync("test", new RavenJObject { { "Item", i } });
}
await aggregation.WaitForEtagAsync(lastWrite);
var result = aggregation.AggregationResultFor("1");
Assert.Equal(15 * (j + 1), result.Value<int>("Count"));
}
last = aggregation.LastAggregatedEtag;
await agg.DisposeAsync();
}
using (var agg = new AggregationEngine())
{
agg.Storage.StorageState.FileSystem = fs;
await agg.InitAsync();
var aggregation = agg.GetAggregation("test");
var result = aggregation.AggregationResultFor("1");
Assert.Equal(last, aggregation.LastAggregatedEtag);
Assert.Equal(45, result.Value<int>("Count"));
await agg.DisposeAsync();
}
}
public async Task CanAppendParallel()
{
using (var agg = new AggregationEngine())
{
await agg.InitAsync();
var tasks = new List<Task>();
for (int i = 0; i < 15; i++)
{
tasks.Add(agg.AppendAsync("test", new RavenJObject { { "Item", i } }));
}
await Task.WhenAll(tasks);
await agg.DisposeAsync();
}
}
public async Task CanIterate()
{
using (var agg = new AggregationEngine())
{
await agg.InitAsync();
for (int i = 0; i < 15; i++)
{
await agg.AppendAsync("test", new RavenJObject { { "Val", i } });
}
int j = 0;
foreach (var item in agg.Events(Etag.Empty))
{
Assert.Equal(j++, item.Data.Value<int>("Val"));
Assert.NotNull(item.Etag);
}
await agg.DisposeAsync();
}
}