Files
daqbuffer/streams/src/test/timebin.rs
2023-04-06 13:22:44 +02:00

214 lines
8.9 KiB
Rust

use crate::collect::collect;
use crate::generators::GenerateI32;
use crate::test::runfut;
use chrono::DateTime;
use chrono::Utc;
use err::Error;
use futures_util::stream;
use futures_util::StreamExt;
use items_0::on_sitemty_data;
use items_0::streamitem::sitem_data;
use items_0::streamitem::RangeCompletableItem;
use items_0::streamitem::StreamItem;
use items_0::timebin::TimeBinnable;
use items_0::Empty;
use items_2::binsdim0::BinsDim0;
use items_2::channelevents::ChannelEvents;
use items_2::channelevents::ConnStatus;
use items_2::channelevents::ConnStatusEvent;
use items_2::testgen::make_some_boxed_d0_f32;
use netpod::range::evrange::NanoRange;
use netpod::range::evrange::SeriesRange;
use netpod::timeunits::MS;
use netpod::timeunits::SEC;
use netpod::BinnedRangeEnum;
use std::collections::VecDeque;
use std::time::Duration;
use std::time::Instant;
#[test]
fn time_bin_00() {
let fut = async {
let range = nano_range_from_str("1970-01-01T00:00:00Z", "1970-01-01T00:00:08Z")?;
let range = SeriesRange::TimeRange(range);
let min_bin_count = 8;
let binned_range = BinnedRangeEnum::covering_range(range, min_bin_count)?;
let evs0 = make_some_boxed_d0_f32(10, SEC * 1, MS * 500, 0, 1846713782);
let v0 = ChannelEvents::Events(evs0);
let v2 = ChannelEvents::Status(Some(ConnStatusEvent::new(MS * 100, ConnStatus::Connect)));
let v4 = ChannelEvents::Status(Some(ConnStatusEvent::new(MS * 6000, ConnStatus::Disconnect)));
let stream0 = Box::pin(stream::iter(vec![
//
sitem_data(v2),
sitem_data(v0),
sitem_data(v4),
]));
let mut exps = {
let mut d = VecDeque::new();
let mut bins = BinsDim0::empty();
bins.push(SEC * 0, SEC * 1, 0, 0.0, 0.0, 0.0);
bins.push(SEC * 1, SEC * 2, 2, 0.0535830, 100.0589, 50.05624);
bins.push(SEC * 2, SEC * 3, 2, 200.06143, 300.07645, 250.06894);
bins.push(SEC * 3, SEC * 4, 2, 400.08554, 500.05222, 450.06888);
bins.push(SEC * 4, SEC * 5, 2, 600.0025, 700.09094, 650.04675);
d.push_back(bins);
let mut bins = BinsDim0::empty();
bins.push(SEC * 5, SEC * 6, 2, 800.0619, 900.02844, 850.04517);
d.push_back(bins);
d
};
let deadline = Instant::now() + Duration::from_millis(2000000);
let mut binned_stream = crate::timebin::TimeBinnedStream::new(stream0, binned_range, true, deadline);
while let Some(item) = binned_stream.next().await {
//eprintln!("{item:?}");
match item {
Ok(item) => match item {
StreamItem::DataItem(item) => match item {
RangeCompletableItem::Data(item) => {
if let Some(item) = item.as_any_ref().downcast_ref::<BinsDim0<f32>>() {
let exp = exps.pop_front().unwrap();
if !item.equal_slack(&exp) {
return Err(Error::with_msg_no_trace(format!("bad, content not equal")));
}
} else {
return Err(Error::with_msg_no_trace(format!("bad, got item with unexpected type")));
}
}
RangeCompletableItem::RangeComplete => {}
},
StreamItem::Log(_) => {}
StreamItem::Stats(_) => {}
},
Err(e) => Err(e).unwrap(),
}
}
Ok(())
};
runfut(fut).unwrap()
}
#[test]
fn time_bin_01() {
let fut = async {
let range = nano_range_from_str("1970-01-01T00:00:00Z", "1970-01-01T00:00:08Z")?;
let range = SeriesRange::TimeRange(range);
let min_bin_count = 8;
let binned_range = BinnedRangeEnum::covering_range(range, min_bin_count)?;
let evs0 = make_some_boxed_d0_f32(10, SEC * 1, MS * 500, 0, 1846713782);
let evs1 = make_some_boxed_d0_f32(10, SEC * 6, MS * 500, 0, 1846713781);
let v0 = ChannelEvents::Events(evs0);
let v1 = ChannelEvents::Events(evs1);
let stream0 = stream::iter(vec![
//
sitem_data(v0),
sitem_data(v1),
]);
let stream0 = stream0.then({
let mut i = 0;
move |x| {
let delay = if i == 1 { 2000 } else { 0 };
i += 1;
let dur = Duration::from_millis(delay);
async move {
tokio::time::sleep(dur).await;
x
}
}
});
let stream0 = Box::pin(stream0);
let deadline = Instant::now() + Duration::from_millis(200);
let mut binned_stream = crate::timebin::TimeBinnedStream::new(stream0, binned_range, true, deadline);
while let Some(item) = binned_stream.next().await {
if true {
eprintln!("{item:?}");
}
match item {
Ok(item) => match item {
StreamItem::DataItem(item) => match item {
RangeCompletableItem::Data(item) => {
if let Some(_) = item.as_any_ref().downcast_ref::<BinsDim0<f32>>() {
} else {
return Err(Error::with_msg_no_trace(format!("bad, got item with unexpected type")));
}
}
RangeCompletableItem::RangeComplete => {}
},
StreamItem::Log(_) => {}
StreamItem::Stats(_) => {}
},
Err(e) => Err(e).unwrap(),
}
}
// TODO assert that we get the bins which are sure to be ready.
// TODO assert correct numbers.
// TODO assert that we don't get bins which may be still changing.
// TODO add similar test case with a RangeComplete event at different places before the timeout.
Ok(())
};
runfut(fut).unwrap()
}
fn nano_range_from_str(beg_date: &str, end_date: &str) -> Result<NanoRange, Error> {
let beg_date = beg_date.parse()?;
let end_date = end_date.parse()?;
let range = NanoRange::from_date_time(beg_date, end_date);
Ok(range)
}
#[test]
fn time_bin_02() -> Result<(), Error> {
let fut = async {
let do_time_weight = true;
let deadline = Instant::now() + Duration::from_millis(4000);
let range = nano_range_from_str("1970-01-01T00:20:04Z", "1970-01-01T00:21:10Z")?;
let range = SeriesRange::TimeRange(range);
let min_bin_count = 10;
let binned_range = BinnedRangeEnum::covering_range(range.clone(), min_bin_count)?;
eprintln!("binned_range: {:?}", binned_range);
for i in 0.. {
if let Some(r) = binned_range.range_at(i) {
eprintln!("Series Range to cover: {r:?}");
} else {
break;
}
}
let event_range = binned_range.binned_range_time().full_range();
let series_range = SeriesRange::TimeRange(event_range);
// TODO the test stream must be able to generate also one-before (on demand) and RangeComplete (by default).
let stream = GenerateI32::new(0, 1, series_range);
// TODO apply first some box dyn EventTransform which later is provided by TransformQuery.
// Then the Merge will happen always by default for backends where this is needed.
// TODO then apply the transform chain for the after-merged-stream.
let stream = stream.map(|x| {
let x = on_sitemty_data!(x, |x| Ok(StreamItem::DataItem(RangeCompletableItem::Data(
Box::new(x) as Box<dyn TimeBinnable>
))));
x
});
let stream = Box::pin(stream);
let mut binned_stream =
crate::timebin::TimeBinnedStream::new(stream, binned_range.clone(), do_time_weight, deadline);
// From there on it should no longer be neccessary to distinguish whether its still events or time bins.
// Then, optionally collect for output type like json, or stream as batches.
// TODO the timebinner should already provide batches to make this efficient.
if false {
while let Some(e) = binned_stream.next().await {
eprintln!("see item {e:?}");
let x = on_sitemty_data!(e, |e| {
//
Ok(StreamItem::DataItem(RangeCompletableItem::Data(e)))
});
}
} else {
let res = collect(binned_stream, deadline, 200, None, Some(binned_range)).await?;
let d = res.to_json_result()?.to_json_bytes()?;
let s = String::from_utf8_lossy(&d);
eprintln!("{s}");
}
Ok(())
};
runfut(fut)
}
// TODO add test case to observe RangeComplete after binning.