Add tests for IZoneDescriptor checkpointing

tests/CMakeLists.txt

@@ -163,6 +163,7 @@ if(PUGS_HAS_HDF5)
     test_checkpointing_HFTypes.cpp
     test_checkpointing_IBoundaryDescriptor.cpp
     test_checkpointing_IInterfaceDescriptor.cpp
+    test_checkpointing_IZoneDescriptor.cpp
   )
 endif(PUGS_HAS_HDF5)
 

tests/test_checkpointing_IZoneDescriptor.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/NamedZoneDescriptor.hpp>
+#include <mesh/NumberedZoneDescriptor.hpp>
+#include <utils/checkpointing/ReadIZoneDescriptor.hpp>
+#include <utils/checkpointing/WriteIZoneDescriptor.hpp>
+
+#include <filesystem>
+
+// clazy:excludeall=non-pod-global-static
+
+TEST_CASE("checkpointing_IZoneDescriptor", "[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("IZoneDescriptor")
+    {
+      HighFive::Group symbol_table_group = file.createGroup("symbol_table");
+      HighFive::Group useless_group;
+
+      auto p_named_zone_descriptor = std::make_shared<const NamedZoneDescriptor>("zone_name1");
+      checkpointing::writeIZoneDescriptor("named_zone_descriptor",
+                                          EmbeddedData{std::make_shared<DataHandler<const IZoneDescriptor>>(
+                                            p_named_zone_descriptor)},
+                                          file, useless_group, symbol_table_group);
+
+      auto p_numbered_zone_descriptor = std::make_shared<const NumberedZoneDescriptor>(3);
+      checkpointing::writeIZoneDescriptor("numbered_zone_descriptor",
+                                          EmbeddedData{std::make_shared<DataHandler<const IZoneDescriptor>>(
+                                            p_numbered_zone_descriptor)},
+                                          file, useless_group, symbol_table_group);
+
+      file.flush();
+
+      EmbeddedData read_named_zone_descriptor =
+        checkpointing::readIZoneDescriptor("named_zone_descriptor", symbol_table_group);
+
+      EmbeddedData read_numbered_zone_descriptor =
+        checkpointing::readIZoneDescriptor("numbered_zone_descriptor", symbol_table_group);
+
+      auto get_value = [](const EmbeddedData& embedded_data) -> const IZoneDescriptor& {
+        return *dynamic_cast<const DataHandler<const IZoneDescriptor>&>(embedded_data.get()).data_ptr();
+      };
+
+      REQUIRE_NOTHROW(get_value(read_named_zone_descriptor));
+      REQUIRE_NOTHROW(get_value(read_numbered_zone_descriptor));
+
+      REQUIRE(get_value(read_named_zone_descriptor).type() == IZoneDescriptor::Type::named);
+      REQUIRE(get_value(read_numbered_zone_descriptor).type() == IZoneDescriptor::Type::numbered);
+
+      REQUIRE_NOTHROW(dynamic_cast<const NamedZoneDescriptor&>(get_value(read_named_zone_descriptor)));
+      REQUIRE_NOTHROW(dynamic_cast<const NumberedZoneDescriptor&>(get_value(read_numbered_zone_descriptor)));
+
+      auto& read_named    = dynamic_cast<const NamedZoneDescriptor&>(get_value(read_named_zone_descriptor));
+      auto& read_numbered = dynamic_cast<const NumberedZoneDescriptor&>(get_value(read_numbered_zone_descriptor));
+
+      REQUIRE(read_named.name() == p_named_zone_descriptor->name());
+      REQUIRE(read_numbered.number() == p_numbered_zone_descriptor->number());
+    }
+  }
+
+  parallel::barrier();
+  if (parallel::rank() == 0) {
+    std::filesystem::remove_all(std::filesystem::path{tmp_dirname});
+  }
+}