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/*
* (C) Copyright 1996- ECMWF.
*
* This software is licensed under the terms of the Apache Licence Version 2.0
* which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
*
* In applying this licence, ECMWF does not waive the privileges and immunities
* granted to it by virtue of its status as an intergovernmental organisation nor
* does it submit to any jurisdiction.
*/
#include <map>
#include <memory>
#include <sstream>
#include "eckit/testing/Test.h"
#include "mir/api/MIRJob.h"
#include "mir/grib/Packing.h"
#include "mir/input/MIRInput.h"
#include "mir/param/CombinedParametrisation.h"
#include "mir/param/DefaultParametrisation.h"
#include "mir/param/SimpleParametrisation.h"
#include "mir/util/Exceptions.h"
#include "mir/util/Log.h"
namespace mir::tests::unit {
CASE("Packing") {
// setup input/output
std::map<std::string, param::SimpleParametrisation> fields;
#define COMMON "artificialInput:constant,constant:0.,accuracy:16,truncation:1279"
fields["spectral_complex, edition=1"].set("input", "{" COMMON ",edition:1,packing:complex,spectral:true}");
fields["spectral_complex, edition=2"].set("input", "{" COMMON ",edition:2,packing:complex,spectral:true}");
fields["grid_simple, edition=1"].set("input", "{" COMMON ",edition:1,packing:simple,gridded:true}");
fields["grid_simple, edition=2"].set("input", "{" COMMON ",edition:2,packing:simple,gridded:true}");
fields["grid_ccsds, edition=2"].set("input", "{" COMMON ",edition:2,packing:ccsds,gridded:true}");
#undef COMMON
static const param::DefaultParametrisation defaults;
struct Combine {
Combine(const api::MIRJob& job, const param::MIRParametrisation& field) :
input(input::MIRInputFactory::build("constant", field)),
param(new param::CombinedParametrisation(job, input->parametrisation(), defaults)) {}
std::unique_ptr<input::MIRInput> input;
std::unique_ptr<param::MIRParametrisation> param;
};
auto check_packing_edition_bits = [](const grib::Packing& pack, const std::string& packing = "", long edition = 0,
long bits = 0, long precision = 0) {
std::ostringstream str;
pack.printParametrisation(str);
const auto calculated = "Packing[" + str.str() + "]";
auto app = [](const std::string& str, const std::string& key, long value) {
return value == 0 ? "" : ((str.empty() ? "" : ",") + key + "=" + std::to_string(value));
};
std::string expected(packing.empty() ? "" : ("packing=" + packing));
expected += app(expected, "edition", edition);
expected += app(expected, "accuracy", bits);
expected += app(expected, "precision", precision);
expected = "Packing[" + expected + "]";
Log::info() << expected << " (expected)\n" << calculated << " (calculated)" << std::endl;
EXPECT_EQUAL(expected, calculated);
};
SECTION("grid=off, packing=off, edition=off, accuracy=off") {
api::MIRJob job;
for (const auto& field : fields) {
std::unique_ptr<grib::Packing> pack(grib::Packing::build(*Combine(job, field.second).param));
check_packing_edition_bits(*pack);
}
}
SECTION("grid=1/1: modify only spectral->gridded packing, no edition, accuracy") {
api::MIRJob job;
job.set("grid", "1/1");
for (const auto& field : fields) {
std::unique_ptr<grib::Packing> pack(grib::Packing::build(*Combine(job, field.second).param));
field.first == "spectral_complex, edition=1" ? check_packing_edition_bits(*pack, "simple")
: field.first == "spectral_complex, edition=2" ? check_packing_edition_bits(*pack, "simple")
: check_packing_edition_bits(*pack);
}
}
SECTION("packing=ccsds") {
api::MIRJob job;
job.set("packing", "ccsds");
EXPECT_THROWS_AS(grib::Packing::build(*Combine(job, fields["grid_simple, edition=1"]).param),
exception::UserError);
job.set("grid", "1/1");
EXPECT_THROWS_AS(grib::Packing::build(*Combine(job, fields["spectral_complex, edition=1"]).param),
exception::UserError);
// (edition conversion)
job.set("edition", 2);
for (const auto& field : fields) {
std::unique_ptr<grib::Packing> pack(grib::Packing::build(*Combine(job, field.second).param));
bool same_packing = field.first == "grid_ccsds, edition=2";
bool same_edition = field.first.back() == '2';
check_packing_edition_bits(*pack, same_packing ? "" : "ccsds", same_edition ? 0 : 2);
}
}
SECTION("packing=ieee") {
api::MIRJob job;
job.set("packing", "ieee");
for (const auto& field : fields) {
// std::unique_ptr<grib::Packing> pack(grib::Packing::build(*Combine(job, field.second).param));
// check_packing_edition_bits(*pack, "ieee", 0, 32, 1);
for (long accuracy : {31, 32, 33, 63, 64, 65}) {
job.set("accuracy", accuracy);
if (accuracy == 32) {
std::unique_ptr<grib::Packing> pack(grib::Packing::build(*Combine(job, field.second).param));
check_packing_edition_bits(*pack, "ieee", 0, 32, 1);
continue;
}
if (accuracy == 64) {
std::unique_ptr<grib::Packing> pack(grib::Packing::build(*Combine(job, field.second).param));
check_packing_edition_bits(*pack, "ieee", 0, 64, 2);
continue;
}
EXPECT_THROWS_AS(grib::Packing::build(*Combine(job, field.second).param), exception::UserError);
}
}
}
SECTION("grib-packing-always-set=true") {
api::MIRJob job;
job.set("grid", "1/1");
job.set("grib-packing-always-set", true);
for (const auto& field : fields) {
Log::info() << "'" << field.first << "'" << std::endl;
std::unique_ptr<grib::Packing> pack(grib::Packing::build(*Combine(job, field.second).param));
bool same_packing = field.first == "grid_simple, edition=1" || field.first == "grid_simple, edition=2";
check_packing_edition_bits(*pack, same_packing ? "" : "simple");
}
}
SECTION("grib-packing-always-set=true, grib-packing-gridded=ccsds") {
api::MIRJob job;
job.set("grid", "1/1");
job.set("grib-edition-conversion", true);
job.set("grib-packing-always-set", true);
job.set("grib-packing-gridded", "ccsds");
for (const auto& field : fields) {
Log::info() << "'" << field.first << "'" << std::endl;
std::unique_ptr<grib::Packing> pack(grib::Packing::build(*Combine(job, field.second).param));
bool same_packing = field.first == "grid_ccsds, edition=2";
bool same_edition = field.first.back() == '2';
check_packing_edition_bits(*pack, same_packing ? "" : "ccsds", same_edition ? 0 : 2);
}
}
// PGEN-496
SECTION("grid=?, packing=off, edition=off, accuracy=off, truncation=?") {
api::MIRJob job;
job.set("truncation", "none"); // (from RESOL=AV)
for (const auto* grid : {"N80", "N160"}) {
job.set("grid", grid);
for (const auto& field : fields) {
std::unique_ptr<grib::Packing> pack(grib::Packing::build(*Combine(job, field.second).param));
bool field_spectral = field.first.substr(0, 8) == "spectral";
check_packing_edition_bits(*pack, field_spectral ? "simple" : "");
}
}
}
}
} // namespace mir::tests::unit
int main(int argc, char** argv) {
return eckit::testing::run_tests(argc, argv);
}
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