Only run SSC tests if ADIOS2 has been built with SSC

To do this, add .ssc as a possible file ending and enlist it under the
file endings.

Author: franzpoeschel

include/openPMD/IO/Format.hpp

@@ -33,6 +33,7 @@ namespace openPMD
         ADIOS1,
         ADIOS2,
         ADIOS2_SST,
+        ADIOS2_SSC,
         JSON,
         DUMMY
     };

src/Format.cpp

@@ -55,6 +55,8 @@ namespace openPMD {
         }
         if (auxiliary::ends_with(filename, ".sst"))
             return Format::ADIOS2_SST;
+        if (auxiliary::ends_with(filename, ".ssc"))
+            return Format::ADIOS2_SSC;
         if (auxiliary::ends_with(filename, ".json"))
             return Format::JSON;
         if (std::string::npos != filename.find('.') /* extension is provided */ )
@@ -73,6 +75,8 @@ namespace openPMD {
                 return ".bp";
             case Format::ADIOS2_SST:
                 return ".sst";
+            case Format::ADIOS2_SSC:
+                return ".ssc";
             case Format::JSON:
                 return ".json";
             default:

src/IO/AbstractIOHandlerHelper.cpp

@@ -57,6 +57,9 @@ namespace openPMD
             case Format::ADIOS2_SST:
                 return std::make_shared< ADIOS2IOHandler >(
                     path, access, comm, std::move( optionsJson ), "sst" );
+            case Format::ADIOS2_SSC:
+                return std::make_shared< ADIOS2IOHandler >(
+                    path, access, comm, std::move( optionsJson ), "ssc" );
             default:
                 throw std::runtime_error(
                     "Unknown file format! Did you specify a file ending?" );
@@ -89,6 +92,9 @@ namespace openPMD
             case Format::ADIOS2_SST:
                 return std::make_shared< ADIOS2IOHandler >(
                     path, access, std::move( optionsJson ), "sst" );
+            case Format::ADIOS2_SSC:
+                return std::make_shared< ADIOS2IOHandler >(
+                    path, access, std::move( optionsJson ), "ssc" );
 #endif // openPMD_HAVE_ADIOS2
             case Format::JSON:
                 return std::make_shared< JSONIOHandler >( path, access );

src/Series.cpp

@@ -1187,6 +1187,7 @@ namespace
             case Format::ADIOS1:
             case Format::ADIOS2:
             case Format::ADIOS2_SST:
+            case Format::ADIOS2_SSC:
             case Format::JSON:
                 return auxiliary::replace_last(filename, suffix(f), "");
             default:
@@ -1238,6 +1239,16 @@ namespace
                 nameReg += + ")" + postfix + ".sst$";
                 return buildMatcher(nameReg);
             }
+            case Format::ADIOS2_SSC:
+            {
+                std::string nameReg = "^" + prefix + "([[:digit:]]";
+                if( padding != 0 )
+                    nameReg += "{" + std::to_string(padding) + "}";
+                else
+                    nameReg += "+";
+                nameReg += + ")" + postfix + ".ssc$";
+                return buildMatcher(nameReg);
+            }
             case Format::JSON: {
                 std::string nameReg = "^" + prefix + "([[:digit:]]";
                 if (padding != 0)

src/config.cpp

@@ -52,6 +52,9 @@ openPMD::getFileExtensions()
 #ifdef ADIOS2_HAVE_SST
     fext.emplace_back("sst");
 #endif
+#ifdef ADIOS2_HAVE_SSC
+    fext.emplace_back("ssc");
+#endif
 #if openPMD_HAVE_HDF5
     fext.emplace_back("h5");
 #endif

test/ParallelIOTest.cpp

@@ -1022,6 +1022,13 @@ TEST_CASE( "parallel_adios2_json_config", "[parallel][adios2]" )
 void
 adios2_ssc()
 {
+    auto const extensions = openPMD::getFileExtensions();
+    if( std::find( extensions.begin(), extensions.end(), "sst" ) ==
+        extensions.end() )
+    {
+        // SSC engine not available in ADIOS2
+        return;
+    }
     int global_size{ -1 };
     int global_rank{ -1 };
     MPI_Comm_size( MPI_COMM_WORLD, &global_size );
@@ -1047,23 +1054,13 @@ adios2_ssc()
 
     constexpr size_t extent = 10;
 
-    std::string options = R"(
-    {
-        "adios2": {
-            "engine": {
-                "type": "ssc"
-            }
-        }
-    })";
-
     if( color == 0 )
     {
         // write
         Series writeSeries(
-            "../samples/adios2_stream.bp",
+            "../samples/adios2_stream.ssc",
             Access::CREATE,
-            local_comm,
-            options );
+            local_comm );
         auto iterations = writeSeries.writeIterations();
         for( size_t i = 0; i < 10; ++i )
         {
@@ -1082,10 +1079,9 @@ adios2_ssc()
     {
         // read
         Series readSeries(
-            "../samples/adios2_stream.bp",
+            "../samples/adios2_stream.ssc",
             Access::READ_ONLY,
-            local_comm,
-            options );
+            local_comm );
 
         size_t last_iteration_index = 0;
         for( auto iteration : readSeries.readIterations() )

test/SerialIOTest.cpp

@@ -30,8 +30,11 @@ using namespace openPMD;
 std::vector< std::string > testedFileExtensions()
 {
     auto allExtensions = getFileExtensions();
-    auto newEnd =
-        std::remove( allExtensions.begin(), allExtensions.end(), "sst" );
+    auto newEnd = std::remove_if(
+        allExtensions.begin(),
+        allExtensions.end(),
+        []( std::string const & ext )
+        { return ext == "sst" || ext == "ssc"; } );
     return { allExtensions.begin(), newEnd };
 }
 

test/python/unittest/API/APITest.py

@@ -23,7 +23,9 @@
 
 from TestUtilities.TestUtilities import generateTestFilePath
 
-tested_file_extensions = [ext for ext in io.file_extensions if ext != 'sst']
+tested_file_extensions = [
+    ext for ext in io.file_extensions if ext != 'sst' and ext != 'ssc'
+]
 
 
 class APITest(unittest.TestCase):