Files
Jungfraujoch/tests/ZMQPreviewPublisherTest.cpp

79 lines
2.6 KiB
C++

// Copyright (2019-2022) Paul Scherrer Institute
// SPDX-License-Identifier: GPL-3.0-or-later
#include <catch2/catch.hpp>
#include "../common/ZMQPreviewPublisher.h"
#include "../common/jsonToGrpc.h"
TEST_CASE("ZMQPreviewPublisher","[ZSTD]") {
ZMQContext context;
ZMQPreviewPublisher publisher(context, "inproc://#5");
ZMQSocket socket(context, ZMQSocketType::Sub);
socket.Connect("inproc://#5");
socket.SubscribeAll();
DiffractionExperiment experiment(DetectorGeometry(1, 1, 0, 0, false));
JFCalibration calibration(experiment);
publisher.Start(experiment, calibration);
std::vector<int16_t> image(experiment.GetPixelsNum());
// Predictable random number generator
std::mt19937 g1(19876);
std::uniform_int_distribution<int16_t> distribution(-200,25000);
for (auto &i: image)
i = distribution(g1);
publisher.Publish(experiment, image.data(), 546);
std::string s;
// Pixel mask
REQUIRE(socket.Receive(s, false) > 0);
JFJochProtoBuf::PreviewFrame frame;
REQUIRE_NOTHROW(frame = jsonToGrpc<JFJochProtoBuf::PreviewFrame>(s));
REQUIRE(frame.pixel_depth() == 4);
REQUIRE(frame.image_number() == -1);
// Frame
REQUIRE(socket.Receive(s, false) > 0);
REQUIRE_NOTHROW(frame = jsonToGrpc<JFJochProtoBuf::PreviewFrame>(s));
REQUIRE(frame.pixel_depth() == 2);
REQUIRE(frame.image_number() == 546);
std::vector<char> image_out = {frame.data().begin(), frame.data().end()};
REQUIRE(memcmp(image.data(), image_out.data(), experiment.GetPixelsNum() * experiment.GetPixelDepth()) == 0);
REQUIRE(socket.Receive(s, false) < 0);
}
TEST_CASE("ZMQPreviewPublisher_GetPreviewImage","[ZSTD]") {
ZMQContext context;
ZMQPreviewPublisher publisher(context, "inproc://#5");
DiffractionExperiment experiment(DetectorGeometry(1, 1, 0, 0, false));
JFCalibration calibration(experiment);
publisher.Start(experiment, calibration);
std::vector<int16_t> image(experiment.GetPixelsNum());
// Predictable random number generator
std::mt19937 g1(19876);
std::uniform_int_distribution<int16_t> distribution(-200,25000);
for (auto &i: image)
i = distribution(g1);
publisher.Publish(experiment, image.data(), 546);
JFJochProtoBuf::PreviewFrame frame = publisher.GetPreviewImage();
REQUIRE(frame.pixel_depth() == 2);
REQUIRE(frame.image_number() == 546);
std::vector<char> image_out = {frame.data().begin(), frame.data().end()};
REQUIRE(memcmp(image.data(), image_out.data(), experiment.GetPixelsNum() * experiment.GetPixelDepth()) == 0);
}