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sf_daq_buffer/core-buffer/test/test_BufferH5Writer.cpp
T

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3.4 KiB
C++

#include "BufferH5Writer.hpp"
#include "gtest/gtest.h"
using namespace core_buffer;
TEST(BufferH5Writer, basic_interaction)
{
auto root_folder = ".";
auto device_name = "fast_device";
size_t pulse_id = 1;
auto buffer = make_unique<char[]>(JUNGFRAU_DATA_BYTES_PER_FRAME);
ModuleFrame metadata;
metadata.pulse_id = 1;
metadata.frame_index = 2;
metadata.daq_rec = 3;
metadata.n_received_packets = 128;
BufferH5Writer writer(device_name, root_folder);
writer.set_pulse_id(pulse_id);
writer.write(&metadata, buffer.get());
writer.close_file();
auto filename = BufferUtils::get_filename(
root_folder, device_name, pulse_id);
auto file_frame_index = BufferUtils::get_file_frame_index(pulse_id);
H5::H5File input_file(filename, H5F_ACC_RDONLY);
auto image_dataset = input_file.openDataSet("image");
auto image_buffer = make_unique<uint16_t[]>(1000*512*1024);
image_dataset.read(image_buffer.get(), H5::PredType::NATIVE_UINT16);
auto metadata_dataset = input_file.openDataSet("metadata");
auto metadata_buffer = make_unique<ModuleFrame[]>(FILE_MOD);
metadata_dataset.read(metadata_buffer.get(), H5::PredType::NATIVE_UINT64);
EXPECT_EQ(metadata_buffer[file_frame_index].pulse_id, 1);
EXPECT_EQ(metadata_buffer[file_frame_index].frame_index, 2);
EXPECT_EQ(metadata_buffer[file_frame_index].daq_rec, 3);
EXPECT_EQ(metadata_buffer[file_frame_index].n_received_packets, 128);
}
TEST(BufferH5Writer, SWMR)
{
auto root_folder = ".";
auto device_name = "fast_device";
size_t pulse_id = 0;
auto output_buffer = make_unique<char[]>(512 * 1024 * 2);
auto input_buffer = make_unique<uint16_t[]>(1000*512*1024);
auto pulse_id_buffer = make_unique<uint64_t[]>(1000);
auto input_ptr = (uint16_t*)(input_buffer.get());
auto output_ptr = (uint16_t*)(output_buffer.get());
auto pulse_id_ptr = (uint64_t*)(pulse_id_buffer.get());
for (size_t i=0; i<512*1024; i++) {
uint16_t* image_ptr = (uint16_t*)(output_buffer.get());
image_ptr[i] = 99;
}
BufferH5Writer writer(device_name, root_folder);
writer.set_pulse_id(0);
auto filename = BufferUtils::get_filename(
root_folder, device_name, pulse_id);
H5::H5File input_file(filename, H5F_ACC_RDONLY | H5F_ACC_SWMR_READ);
auto image_dataset = input_file.openDataSet("image");
auto pulse_id_dataset = input_file.openDataSet("pulse_id");
image_dataset.read(input_ptr, H5::PredType::NATIVE_UINT16);
EXPECT_EQ(input_ptr[0], 0);
EXPECT_EQ(input_ptr[512*1024], 0);
pulse_id_dataset.read(pulse_id_ptr, H5::PredType::NATIVE_UINT64);
EXPECT_EQ(pulse_id_ptr[0], 0);
EXPECT_EQ(pulse_id_ptr[1], 0);
pulse_id = 0;
writer.set_pulse_id(pulse_id);
// writer.write(output_buffer.get());
image_dataset.read(input_ptr, H5::PredType::NATIVE_UINT16);
EXPECT_EQ(input_ptr[0], 99);
EXPECT_EQ(input_ptr[512*1024], 0);
pulse_id_dataset.read(pulse_id_ptr, H5::PredType::NATIVE_UINT64);
EXPECT_EQ(pulse_id_ptr[0], 0);
EXPECT_EQ(pulse_id_ptr[1], 0);
pulse_id = 1;
writer.set_pulse_id(pulse_id);
// writer.write(output_buffer.get());
image_dataset.read(input_ptr, H5::PredType::NATIVE_UINT16);
EXPECT_EQ(input_ptr[0], 99);
EXPECT_EQ(input_ptr[512*1024], 99);
pulse_id_dataset.read(pulse_id_ptr, H5::PredType::NATIVE_UINT64);
EXPECT_EQ(pulse_id_ptr[0], 0);
EXPECT_EQ(pulse_id_ptr[1], 1);
}