feat(nonlinear-static-newton-raphson): step 10 - prepared-analysis-flow-and-full-procedure

tests/integration/analysis/nonlinear_static_procedure_test.cpp

@@ -0,0 +1,157 @@
+#include "fesa/app/fesa_application.h"
+
+#include <gtest/gtest.h>
+#include <hdf5.h>
+
+#include <atomic>
+#include <chrono>
+#include <filesystem>
+#include <fstream>
+#include <stdexcept>
+#include <string>
+#include <vector>
+
+namespace {
+
+class TempDirectory {
+ public:
+  explicit TempDirectory(const std::string& label) {
+    static std::atomic<unsigned long long> sequence{0U};
+    const auto tick =
+        std::chrono::steady_clock::now().time_since_epoch().count();
+    path_ = std::filesystem::temp_directory_path() /
+            ("fesa-step10-nonlinear-" + label + "-" +
+             std::to_string(tick) + "-" +
+             std::to_string(sequence.fetch_add(1U)));
+    std::error_code error;
+    if (!std::filesystem::create_directory(path_, error) || error) {
+      throw std::runtime_error{"Unable to create nonlinear procedure fixture."};
+    }
+  }
+
+  TempDirectory(const TempDirectory&) = delete;
+  TempDirectory& operator=(const TempDirectory&) = delete;
+
+  ~TempDirectory() {
+    std::error_code ignored;
+    std::filesystem::remove_all(path_, ignored);
+  }
+
+  const std::filesystem::path& Path() const noexcept { return path_; }
+
+ private:
+  std::filesystem::path path_;
+};
+
+void WriteText(const std::filesystem::path& path, const std::string& text) {
+  std::ofstream stream{path, std::ios::binary | std::ios::trunc};
+  stream.write(text.data(), static_cast<std::streamsize>(text.size()));
+  if (!stream) {
+    throw std::runtime_error{"Unable to write nonlinear procedure input."};
+  }
+}
+
+std::string AllConstrainedNonlinearShellDeck() {
+  return R"inp(*Part, name=ShellPart
+*Node
+1, 0., 0., 0.
+2, 1., 0., 0.
+3, 1., 1., 0.
+4, 0., 1., 0.
+*Element, type=S4
+1, 1, 2, 3, 4
+*Elset, elset=ShellSet
+1
+*Shell Section, elset=ShellSet, material=Steel
+0.1
+*End Part
+*Assembly, name=Assembly
+*Instance, name=Shell-1, part=ShellPart
+*End Instance
+*Nset, nset=All, instance=Shell-1
+1, 2, 3, 4
+*End Assembly
+*Material, name=Steel
+*Elastic
+1000., 0.25
+*Boundary
+All, 1, 6
+*Step, name=Step-1, nlgeom=YES
+*Static
+0.1, 1., 0.001, 0.1
+*End Step
+)inp";
+}
+
+class Hdf5File {
+ public:
+  explicit Hdf5File(const std::filesystem::path& path)
+      : handle_{H5Fopen(path.string().c_str(), H5F_ACC_RDONLY, H5P_DEFAULT)} {
+    if (handle_ < 0) {
+      throw std::runtime_error{"Unable to open nonlinear results HDF5."};
+    }
+  }
+
+  Hdf5File(const Hdf5File&) = delete;
+  Hdf5File& operator=(const Hdf5File&) = delete;
+
+  ~Hdf5File() { (void)H5Fclose(handle_); }
+
+  hid_t Get() const noexcept { return handle_; }
+
+ private:
+  hid_t handle_;
+};
+
+std::string ReadStringAttribute(const hid_t object, const char* name) {
+  const hid_t attribute = H5Aopen(object, name, H5P_DEFAULT);
+  const hid_t type = attribute < 0 ? -1 : H5Aget_type(attribute);
+  if (attribute < 0 || type < 0) {
+    if (type >= 0) {
+      (void)H5Tclose(type);
+    }
+    if (attribute >= 0) {
+      (void)H5Aclose(attribute);
+    }
+    throw std::runtime_error{"Unable to read nonlinear metadata attribute."};
+  }
+  char* value = nullptr;
+  const herr_t read = H5Aread(attribute, type, &value);
+  const std::string result = read >= 0 && value != nullptr ? value : "";
+  if (value != nullptr) {
+    (void)H5free_memory(value);
+  }
+  (void)H5Tclose(type);
+  (void)H5Aclose(attribute);
+  if (read < 0) {
+    throw std::runtime_error{"Unable to read nonlinear metadata text."};
+  }
+  return result;
+}
+
+// NSNR-PROC-004, NSNR-PROC-007, and NSNR-PROC-010.
+TEST(NonlinearStaticProcedure,
+     AllConstrainedNlgeomRunWritesSchemaV1AfterAcceptedFrames) {
+  TempDirectory directory{"schema-v1"};
+  const auto input = directory.Path() / "shellnl.inp";
+  const auto output = directory.Path() / "shellnl_results.h5";
+  WriteText(input, AllConstrainedNonlinearShellDeck());
+
+  testing::internal::CaptureStderr();
+  const int exit_code = fesa::FesaApplication{}.Run({input.string()});
+  const std::string standard_error = testing::internal::GetCapturedStderr();
+
+  ASSERT_EQ(exit_code, 0) << standard_error;
+  ASSERT_TRUE(std::filesystem::exists(output));
+  ASSERT_GT(H5Fis_hdf5(output.string().c_str()), 0);
+  const Hdf5File file{output};
+  const hid_t metadata = H5Gopen2(file.Get(), "/metadata", H5P_DEFAULT);
+  ASSERT_GE(metadata, 0);
+  EXPECT_EQ(ReadStringAttribute(metadata, "feature_id"),
+            "nonlinear-static-newton-raphson");
+  (void)H5Gclose(metadata);
+  EXPECT_GT(H5Lexists(file.Get(), "/steps/Step-1/accepted_frames", H5P_DEFAULT),
+            0);
+}
+
+}  // namespace