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FESADev/tests/reference/b33_reference_comparison_test.cpp
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KOKO\Mimi 624ea4872c modify tolerance policy
2026-08-18 02:29:26 +09:00

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#include <gtest/gtest.h>
#include <hdf5.h>
#include <algorithm>
#include <array>
#include <cmath>
#include <cstddef>
#include <filesystem>
#include <fstream>
#include <iterator>
#include <stdexcept>
#include <string>
#include <vector>
#include "fesa/app/fesa_application.h"
#include "reference_comparison.h"
#ifndef FESA_TEST_SOURCE_DIR
#error FESA_TEST_SOURCE_DIR must identify the repository root.
#endif
#ifndef FESA_TEST_BINARY_DIR
#error FESA_TEST_BINARY_DIR must identify the CMake binary root.
#endif
namespace {
constexpr const char* kStressPath = "/steps/Step-1/frames/0/element/stress_s11";
constexpr std::size_t kExpectedRowCount = 212U;
constexpr std::size_t kExpectedMetricCount = 6U;
class Hdf5Handle {
public:
using Closer = herr_t (*)(hid_t);
Hdf5Handle(const hid_t value, Closer closer)
: value_{value}, closer_{closer} {}
Hdf5Handle(const Hdf5Handle&) = delete;
Hdf5Handle& operator=(const Hdf5Handle&) = delete;
~Hdf5Handle() {
if (value_ >= 0 && closer_ != nullptr) {
(void)closer_(value_);
}
}
hid_t Get() const noexcept { return value_; }
private:
hid_t value_;
Closer closer_;
};
struct ReferenceSnapshotEntry {
std::filesystem::path relative_path;
bool is_directory;
std::string bytes;
std::filesystem::file_time_type last_write_time;
};
std::string ReadBytes(const std::filesystem::path& path) {
std::ifstream stream{path, std::ios::binary};
if (!stream) {
throw std::runtime_error{"Unable to read reference evidence: " +
path.string()};
}
return {std::istreambuf_iterator<char>{stream},
std::istreambuf_iterator<char>{}};
}
std::vector<ReferenceSnapshotEntry> SnapshotTree(
const std::filesystem::path& root) {
std::vector<ReferenceSnapshotEntry> entries;
for (const auto& entry :
std::filesystem::recursive_directory_iterator{root}) {
const bool is_directory = entry.is_directory();
if (!is_directory && !entry.is_regular_file()) {
throw std::runtime_error{"Unexpected reference-tree entry type."};
}
entries.push_back({std::filesystem::relative(entry.path(), root),
is_directory,
is_directory ? std::string{} : ReadBytes(entry.path()),
entry.last_write_time()});
}
std::sort(entries.begin(), entries.end(),
[](const ReferenceSnapshotEntry& left,
const ReferenceSnapshotEntry& right) {
return left.relative_path.generic_string() <
right.relative_path.generic_string();
});
return entries;
}
void ExpectTreeUnchanged(const std::vector<ReferenceSnapshotEntry>& before,
const std::vector<ReferenceSnapshotEntry>& after) {
ASSERT_EQ(after.size(), before.size());
for (std::size_t index = 0U; index < before.size(); ++index) {
EXPECT_EQ(after[index].relative_path, before[index].relative_path);
EXPECT_EQ(after[index].is_directory, before[index].is_directory);
EXPECT_EQ(after[index].bytes, before[index].bytes)
<< before[index].relative_path.string();
EXPECT_EQ(after[index].last_write_time, before[index].last_write_time)
<< before[index].relative_path.string();
}
}
double Norm(const std::array<double, 3>& value) {
return std::sqrt(value[0U] * value[0U] + value[1U] * value[1U] +
value[2U] * value[2U]);
}
std::array<double, 3> Sum(const std::array<double, 3>& left,
const std::array<double, 3>& right) {
return {left[0U] + right[0U], left[1U] + right[1U], left[2U] + right[2U]};
}
std::size_t StressRowCount(const std::filesystem::path& results) {
const hid_t file_id =
H5Fopen(results.string().c_str(), H5F_ACC_RDONLY, H5P_DEFAULT);
if (file_id < 0) {
throw std::runtime_error{"Unable to open authoritative HDF5 output."};
}
const Hdf5Handle file{file_id, H5Fclose};
if (H5Lexists(file.Get(), kStressPath, H5P_DEFAULT) <= 0) {
throw std::runtime_error{"Mandatory stress_s11 dataset is missing."};
}
const hid_t dataset_id = H5Dopen2(file.Get(), kStressPath, H5P_DEFAULT);
if (dataset_id < 0) {
throw std::runtime_error{"Unable to open mandatory stress_s11 dataset."};
}
const Hdf5Handle dataset{dataset_id, H5Dclose};
const hid_t space_id = H5Dget_space(dataset.Get());
if (space_id < 0) {
throw std::runtime_error{"Unable to inspect stress_s11 dataspace."};
}
const Hdf5Handle space{space_id, H5Sclose};
if (H5Sget_simple_extent_ndims(space.Get()) != 1) {
throw std::runtime_error{"stress_s11 must be a flat row dataset."};
}
hsize_t count = 0U;
if (H5Sget_simple_extent_dims(space.Get(), &count, nullptr) < 0) {
throw std::runtime_error{"Unable to read stress_s11 extent."};
}
return static_cast<std::size_t>(count);
}
} // namespace
TEST(B33ReferenceComparison, GeneratesAuthoritativeHdf5AndComparisonEvidence) {
const std::filesystem::path source_root{FESA_TEST_SOURCE_DIR};
const std::filesystem::path binary_root{FESA_TEST_BINARY_DIR};
const auto reference_directory =
source_root / "reference" / "cantilever beam";
const auto input = reference_directory / "cantilever beam.inp";
const auto output_directory =
binary_root / "reference" / "cantilever-beam-b33";
const auto results = output_directory / "results.h5";
const auto comparison = output_directory / "comparison.json";
// Only the exact build-local evidence directory is reset; the approved
// reference tree is snapshotted and subsequently opened read-only.
std::error_code error;
std::filesystem::remove_all(output_directory, error);
error.clear();
ASSERT_TRUE(std::filesystem::create_directories(output_directory, error));
ASSERT_FALSE(error);
const auto reference_before = SnapshotTree(reference_directory);
ASSERT_EQ(reference_before.size(), 4U);
EXPECT_EQ(reference_before[0U].relative_path,
std::filesystem::path{"cantilever beam displacements.csv"});
EXPECT_EQ(reference_before[1U].relative_path,
std::filesystem::path{"cantilever beam elemental forces.csv"});
EXPECT_EQ(reference_before[2U].relative_path,
std::filesystem::path{"cantilever beam reactions.csv"});
EXPECT_EQ(reference_before[3U].relative_path,
std::filesystem::path{"cantilever beam.inp"});
fesa::FesaApplication application;
// FesaApplication receives application operands/options; main strips argv[0].
ASSERT_EQ(application.Run({input.string(), "--output", results.string()}), 0);
ASSERT_TRUE(std::filesystem::is_regular_file(results));
ASSERT_GT(H5Fis_hdf5(results.string().c_str()), 0);
EXPECT_GT(StressRowCount(results), 0U);
auto comparison_result =
fesa::test::ReferenceComparison::Compare(results, reference_directory);
ASSERT_TRUE(comparison_result.HasValue());
const auto& report = comparison_result.Value();
ASSERT_TRUE(report.passed);
ASSERT_EQ(report.rows.size(), kExpectedRowCount);
ASSERT_EQ(report.metrics.size(), kExpectedMetricCount);
EXPECT_TRUE(std::all_of(
report.rows.begin(), report.rows.end(),
[](const fesa::test::RowDecision& row) {
return row.passed && std::isfinite(row.absolute_error) &&
std::isfinite(row.tolerance) && row.tolerance >= 0.0 &&
std::isfinite(row.reference_scale) &&
std::isfinite(row.near_zero_band) &&
std::isfinite(row.relative_error) &&
row.fesa.model_id == "cantilever-beam-b33" &&
row.reference.model_id == "cantilever-beam-b33" &&
row.fesa.step_name == "Step-1" &&
row.reference.step_name == "Step-1" &&
row.fesa.frame_index == 0U && row.reference.frame_index == 0U &&
row.fesa.instance_name == "PART-1_1-1" &&
row.reference.instance_name == "PART-1_1-1" &&
!row.fesa.hdf5_dataset_path.empty();
}));
EXPECT_TRUE(
std::all_of(report.metrics.begin(), report.metrics.end(),
[](const fesa::test::ComponentMetrics& metric) {
return std::isfinite(metric.reference_scale) &&
std::isfinite(metric.near_zero_band) &&
std::isfinite(metric.maximum_absolute_error) &&
std::isfinite(metric.relative_rms) &&
metric.rms_passed && metric.passed &&
metric.row_count > 0U && !metric.components.empty();
}));
EXPECT_FALSE(report.stress_comparison_applicable);
EXPECT_NE(report.stress_comparison_reason.find("N/A"), std::string::npos);
EXPECT_NE(report.stress_comparison_reason.find("HDF5"), std::string::npos);
EXPECT_TRUE(report.physics_evidence.endpoint_consistency_passed);
EXPECT_TRUE(std::isfinite(report.physics_evidence.free_residual_norm));
EXPECT_LE(report.physics_evidence.free_residual_norm, 1.0e-3);
EXPECT_LE(Norm(Sum(report.physics_evidence.applied_force,
report.physics_evidence.reaction_force)),
1.0e-3);
EXPECT_LE(Norm(Sum(report.physics_evidence.applied_moment_about_origin,
report.physics_evidence.reaction_moment_about_origin)),
1.0e-2);
ASSERT_TRUE(fesa::test::ReferenceComparison::WriteDeterministicJson(
report, comparison)
.IsOk());
ASSERT_TRUE(std::filesystem::is_regular_file(comparison));
const std::string json = ReadBytes(comparison);
EXPECT_NE(json.find("\"stress_comparison_applicable\":false"),
std::string::npos);
EXPECT_NE(json.find("\"physics_evidence\""), std::string::npos);
EXPECT_NE(json.find("\"source_element_label\""), std::string::npos);
EXPECT_NE(json.find("\"family_identity\""), std::string::npos);
EXPECT_NE(json.find("\"row_count\""), std::string::npos);
std::vector<std::string> generated_names;
for (const auto& entry :
std::filesystem::directory_iterator{output_directory}) {
generated_names.push_back(entry.path().filename().string());
}
std::sort(generated_names.begin(), generated_names.end());
EXPECT_EQ(generated_names,
(std::vector<std::string>{"comparison.json", "results.h5"}));
ExpectTreeUnchanged(reference_before, SnapshotTree(reference_directory));
}
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