Add tests for IBoundaryDescriptor checkpointing

tests/CMakeLists.txt

@@ -161,6 +161,7 @@ set(checkpointing_TESTS)
 if(PUGS_HAS_HDF5)
   list(APPEND checkpointing_TESTS
     test_checkpointing_HFTypes.cpp
+    test_checkpointing_IBoundaryDescriptor.cpp
   )
 endif(PUGS_HAS_HDF5)
 

tests/test_checkpointing_IBoundaryDescriptor.cpp

+#include <catch2/catch_test_macros.hpp>
+#include <catch2/matchers/catch_matchers_all.hpp>
+
+#include <utils/Messenger.hpp>
+
+#include <language/utils/DataHandler.hpp>
+#include <language/utils/EmbeddedData.hpp>
+#include <mesh/NamedBoundaryDescriptor.hpp>
+#include <mesh/NumberedBoundaryDescriptor.hpp>
+#include <utils/checkpointing/ReadIBoundaryDescriptor.hpp>
+#include <utils/checkpointing/WriteIBoundaryDescriptor.hpp>
+
+#include <filesystem>
+
+// clazy:excludeall=non-pod-global-static
+
+TEST_CASE("checkpointing_IBoundaryDescriptor", "[utils/checkpointing]")
+{
+  std::string tmp_dirname;
+  {
+    {
+      if (parallel::rank() == 0) {
+        tmp_dirname = [&]() -> std::string {
+          std::string temp_filename = std::filesystem::temp_directory_path() / "pugs_checkpointing_XXXXXX";
+          return std::string{mkdtemp(&temp_filename[0])};
+        }();
+      }
+      parallel::broadcast(tmp_dirname, 0);
+    }
+    std::filesystem::path path = tmp_dirname;
+    const std::string filename = path / "checkpoint.h5";
+
+    HighFive::FileAccessProps fapl;
+    fapl.add(HighFive::MPIOFileAccess{MPI_COMM_WORLD, MPI_INFO_NULL});
+    fapl.add(HighFive::MPIOCollectiveMetadata{});
+    HighFive::File file = HighFive::File(filename, HighFive::File::Truncate, fapl);
+
+    SECTION("IBoundaryDescriptor")
+    {
+      HighFive::Group symbol_table_group = file.createGroup("symbol_table");
+      HighFive::Group useless_group;
+
+      auto p_named_boundary_descriptor = std::make_shared<const NamedBoundaryDescriptor>("boundary_name1");
+      checkpointing::writeIBoundaryDescriptor("named_boundary_descriptor",
+                                              EmbeddedData{std::make_shared<DataHandler<const IBoundaryDescriptor>>(
+                                                p_named_boundary_descriptor)},
+                                              file, useless_group, symbol_table_group);
+
+      auto p_numbered_boundary_descriptor = std::make_shared<const NumberedBoundaryDescriptor>(3);
+      checkpointing::writeIBoundaryDescriptor("numbered_boundary_descriptor",
+                                              EmbeddedData{std::make_shared<DataHandler<const IBoundaryDescriptor>>(
+                                                p_numbered_boundary_descriptor)},
+                                              file, useless_group, symbol_table_group);
+
+      file.flush();
+
+      EmbeddedData read_named_boundary_descriptor =
+        checkpointing::readIBoundaryDescriptor("named_boundary_descriptor", symbol_table_group);
+
+      EmbeddedData read_numbered_boundary_descriptor =
+        checkpointing::readIBoundaryDescriptor("numbered_boundary_descriptor", symbol_table_group);
+
+      auto get_value = [](const EmbeddedData& embedded_data) -> const IBoundaryDescriptor& {
+        return *dynamic_cast<const DataHandler<const IBoundaryDescriptor>&>(embedded_data.get()).data_ptr();
+      };
+
+      REQUIRE_NOTHROW(get_value(read_named_boundary_descriptor));
+      REQUIRE_NOTHROW(get_value(read_numbered_boundary_descriptor));
+
+      REQUIRE(get_value(read_named_boundary_descriptor).type() == IBoundaryDescriptor::Type::named);
+      REQUIRE(get_value(read_numbered_boundary_descriptor).type() == IBoundaryDescriptor::Type::numbered);
+
+      REQUIRE_NOTHROW(dynamic_cast<const NamedBoundaryDescriptor&>(get_value(read_named_boundary_descriptor)));
+      REQUIRE_NOTHROW(dynamic_cast<const NumberedBoundaryDescriptor&>(get_value(read_numbered_boundary_descriptor)));
+
+      auto& read_named = dynamic_cast<const NamedBoundaryDescriptor&>(get_value(read_named_boundary_descriptor));
+      auto& read_numbered =
+        dynamic_cast<const NumberedBoundaryDescriptor&>(get_value(read_numbered_boundary_descriptor));
+
+      REQUIRE(read_named.name() == p_named_boundary_descriptor->name());
+      REQUIRE(read_numbered.number() == p_numbered_boundary_descriptor->number());
+    }
+  }
+
+  parallel::barrier();
+  if (parallel::rank() == 0) {
+    std::filesystem::remove_all(std::filesystem::path{tmp_dirname});
+  }
+}