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#include <algorithm>
#include <cstddef>
#include <ostream>
#include <string>
#include <vector>
#include "chunked_data_view/Axis.h"
#include "chunked_data_view/RequestManipulation.h"
#include "eckit/log/Log.h"
#include "eckit/testing/Test.h"
#include "fdb5/api/helpers/FDBToolRequest.h"
#include "metkit/mars/MarsRequest.h"
template <class BidirIt>
bool next_perm(BidirIt first, BidirIt last) {
auto r_first = std::make_reverse_iterator(last);
auto r_last = std::make_reverse_iterator(first);
auto left = std::is_sorted_until(r_first, r_last);
if (left != r_last) {
auto right = std::upper_bound(r_first, left, *left);
std::iter_swap(left, right);
}
std::reverse(left.base(), last);
return left != r_last;
}
CASE("RequestManipulation | Axis test single axis for Indices | Can create a subindex") {
// Given
const std::string keys{
"type=an,"
"domain=g,"
"expver=0001,"
"stream=oper,"
"date=2020-01-01/to/2020-01-04,"
"levtype=sfc,"
"param=v/u,"
"time=0/6/12/18"};
auto request = fdb5::FDBToolRequest::requestsFromString(keys).at(0).request();
chunked_data_view::Axis axis({{"date", {"2020-01-01", "2020-01-02", "2020-01-03"}}}, true);
// When
for (size_t i = 0; i < axis.parameters().size(); ++i) {
auto request_copy = request;
chunked_data_view::RequestManipulation::updateRequest(request_copy, axis, i);
// Then
auto values = request_copy["date"];
EXPECT_EQUAL(values.size(), 10);
EXPECT(values == axis.parameters()[0].values()[i]);
}
}
CASE("RequestManipulation | Axis test multiple axis for Indices | Can create a subindex") {
// Given
const std::string keys{
"type=an,"
"domain=g,"
"expver=0001,"
"stream=oper,"
"date=2020-01-01/to/2020-01-04,"
"levtype=sfc,"
"param=v/u,"
"time=0/6/12/18"};
auto request = fdb5::FDBToolRequest::requestsFromString(keys).at(0).request();
std::vector<std::string> dates = {"2020-01-01", "2020-01-02", "2020-01-03"};
std::vector<std::string> times = {"0", "6", "12", "18"};
chunked_data_view::Axis axis({{"date", dates}, {"time", times}}, true);
// When
for (size_t i = 0; i < dates.size(); ++i) {
for (size_t j = 0; j < times.size(); ++j) {
auto request_copy = request;
chunked_data_view::RequestManipulation::updateRequest(request_copy, axis, i * times.size() + j);
// Then
auto date_values = request_copy["date"];
auto time_values = request_copy["time"];
EXPECT_EQUAL(date_values.size(), 10);
EXPECT(date_values == dates[i]);
eckit::Log::debug() << "Expecting: " << time_values << " == " << times[j] << std::endl;
eckit::Log::debug() << request_copy << std::endl;
EXPECT(time_values == times[j]);
}
}
}
bool assert_arrays(
const metkit::mars::MarsRequest& request,
const chunked_data_view::Axis&
axis) { // chunked_data_view::Axis::Parameter first, chunked_data_view::Axis::Parameter second,
// chunked_data_view::Axis::Parameter third, chunked_data_view::Axis::Parameter fourth) {
EXPECT(axis.parameters().size() == 4);
const std::string first_name = axis.parameters()[0].name();
const std::vector<std::string> first_values = axis.parameters()[0].values();
const std::string second_name = axis.parameters()[1].name();
const std::vector<std::string> second_values = axis.parameters()[1].values();
const std::string third_name = axis.parameters()[2].name();
const std::vector<std::string> third_values = axis.parameters()[2].values();
const std::string fourth_name = axis.parameters()[3].name();
const std::vector<std::string> fourth_values = axis.parameters()[3].values();
for (size_t i = 0; i < first_values.size(); ++i) {
for (size_t j = 0; j < second_values.size(); ++j) {
for (size_t k = 0; k < third_values.size(); ++k) {
for (size_t l = 0; l < fourth_values.size(); ++l) {
auto request_copy = request;
auto chunk_index = l + k * fourth_values.size() + j * (fourth_values.size() * third_values.size()) +
i * (fourth_values.size() * third_values.size() * second_values.size());
chunked_data_view::RequestManipulation::updateRequest(request_copy, axis, chunk_index);
// Then
auto first_result_values = request_copy[first_name];
auto second_result_values = request_copy[second_name];
auto third_result_values = request_copy[third_name];
auto fourth_result_values = request_copy[fourth_name];
eckit::Log::debug() << "Chunk Index: " << chunk_index << std::endl;
eckit::Log::debug() << "Expecting: " << first_result_values << " == " << first_values[i]
<< " | (i, j, k, l)=(" << i << "," << j << "," << k << "," << l << ")"
<< std::endl;
EXPECT(first_result_values == first_values[i]);
eckit::Log::debug() << "Expecting: " << second_result_values << " == " << second_values[j]
<< " | (i, j, k, l)=(" << i << "," << j << "," << k << "," << l << ")"
<< std::endl;
EXPECT(second_result_values == second_values[j]);
eckit::Log::debug() << "Expecting: " << third_result_values << " == " << third_values[k]
<< " | (i, j, k, l)=(" << i << "," << j << "," << k << "," << l << ")"
<< std::endl;
EXPECT(third_result_values == third_values[k]);
eckit::Log::debug() << "Expecting: " << fourth_result_values << " == " << fourth_values[l]
<< " | (i, j, k, l)=(" << i << "," << j << "," << k << "," << l << ")"
<< std::endl;
EXPECT(fourth_result_values == fourth_values[l]);
}
}
}
}
return true;
}
CASE("RequestManipulation | Axis test multiple axis for Indices 2 | Can handle mixed axis") {
// Given
const std::string keys{
"type=an,"
"domain=g,"
"expver=0001,"
"stream=oper,"
"date=2020-01-01/to/2020-01-04,"
"levtype=sfc,"
"param=v,"
"step=0/1/2/3/4/5/6/7/8/9/10/11/12,"
"time=0/6/12/18"};
auto request = fdb5::FDBToolRequest::requestsFromString(keys).at(0).request();
std::vector<std::string> dates = {"2020-01-01", "2020-01-02", "2020-01-03"};
std::vector<std::string> times = {"0", "6", "12", "18"};
std::vector<std::string> steps = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"};
std::vector<std::string> params = {"v"};
chunked_data_view::Parameter date_parameter = {"date", dates};
chunked_data_view::Parameter time_parameter = {"time", times};
chunked_data_view::Parameter step_parameter = {"step", steps};
chunked_data_view::Parameter param_parameter = {"param", params};
const chunked_data_view::Axis axis = {{date_parameter, time_parameter, step_parameter, param_parameter}, true};
EXPECT(assert_arrays(request, axis));
}
CASE("RequestManipulation | Axis test multiple axis | Non-chunked") {
// Given
const std::string keys{
"type=an,"
"domain=g,"
"expver=0001,"
"stream=oper,"
"date=2020-01-01/to/2020-01-04,"
"levtype=sfc,"
"param=v,"
"step=0/1/2/3/4/5/6/7/8/9/10/11/12,"
"time=0/6/12/18"};
auto request = fdb5::FDBToolRequest::requestsFromString(keys).at(0).request();
std::vector<std::string> dates = {"20200101", "20200102", "20200103", "20200104"};
std::vector<std::string> times = {"0000", "0600", "1200", "1800"};
std::vector<std::string> steps = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"};
std::vector<std::string> params = {"v"};
chunked_data_view::Parameter date_parameter = {"date", dates};
chunked_data_view::Parameter time_parameter = {"time", times};
chunked_data_view::Parameter step_parameter = {"step", steps};
chunked_data_view::Parameter param_parameter = {"param", params};
const chunked_data_view::Axis axis = {{date_parameter, time_parameter, step_parameter, param_parameter}, false};
auto request_copy = request;
EXPECT_NO_THROW(chunked_data_view::RequestManipulation::updateRequest(request_copy, axis, 0));
for (size_t i = 1; i < dates.size() * times.size() * steps.size() * params.size(); ++i) {
auto request_copy = request;
EXPECT_THROWS(chunked_data_view::RequestManipulation::updateRequest(request_copy, axis, i));
}
}
CASE("RequestManipulation | Axis test multiple axis for Indices | Permutations") {
// Given
const std::string keys{
"type=an,"
"domain=g,"
"expver=0001,"
"stream=oper,"
"date=2020-01-01/to/2020-01-04,"
"levtype=sfc,"
"param=v,"
"step=0/1/2/3/4/5/6/7/8/9/10/11/12,"
"time=0/6/12/18"};
const auto request = fdb5::FDBToolRequest::requestsFromString(keys).at(0).request();
const std::vector<std::string> dates = {"2020-01-01", "2020-01-02", "2020-01-03"};
const std::vector<std::string> times = {"0", "6", "12", "18"};
const std::vector<std::string> steps = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"};
const std::vector<std::string> params = {"v"};
const chunked_data_view::Parameter date_parameter = {"date", dates};
const chunked_data_view::Parameter time_parameter = {"time", times};
const chunked_data_view::Parameter step_parameter = {"step", steps};
const chunked_data_view::Parameter param_parameter = {"param", params};
const std::vector<chunked_data_view::Parameter> param_vector = {date_parameter, time_parameter, step_parameter,
param_parameter};
std::vector<size_t> perm = {0, 1, 2, 3};
do {
auto& first = param_vector[perm[0]];
auto& second = param_vector[perm[1]];
auto& third = param_vector[perm[2]];
auto& fourth = param_vector[perm[3]];
const chunked_data_view::Axis axis = {{first, second, third, fourth}, true};
eckit::Log::debug() << "Current permutation: (" << perm[0] << ", " << perm[1] << ", " << perm[2] << ", "
<< perm[3] << ") | ";
eckit::Log::debug() << "Current order: (" << param_vector[perm[0]].name() << ", "
<< param_vector[perm[1]].name() << ", " << param_vector[perm[2]].name() << ", "
<< param_vector[perm[3]].name() << ") " << std::endl;
EXPECT(assert_arrays(request, axis));
} while (next_perm(perm.begin(), perm.end()));
}
int main(int argc, char** argv) {
return ::eckit::testing::run_tests(argc, argv);
}
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