Add a test for dynamic and direct access

precice · fsimonis · Jan 31, 2023 · Feb 1, 2023 · Feb 1, 2023 · Feb 1, 2023
commit 10059e3ff89b183045e0bd26581a046c434060d8
diff --git a/src/precice/tests/MeshContextTests.cpp b/src/precice/tests/MeshContextTests.cpp
@@ -139,6 +139,45 @@ BOOST_AUTO_TEST_CASE(ExchangeTransitive)
   }
 }
 
+BOOST_AUTO_TEST_CASE(ExchangeDirectAccess)
+{
+  PRECICE_TEST(1_rank);
+
+  config::Configuration     config;
+  xml::ConfigurationContext cont{"A", 0, 1};
+  xml::configure(config.getXMLTag(),
+                 cont,
+                 context.prefix("meshcontext-direct.xml"));
+  auto participants = config.getSolverInterfaceConfiguration().getParticipantConfiguration()->getParticipants();
+
+  BOOST_REQUIRE(participants.size() == 2);
+
+  for (const auto &participant : participants) {
+    auto pname = participant->getName();
+    BOOST_REQUIRE(pname == "A" || pname == "B");
+    const auto &contexts = participant->usedMeshContexts();
+
+    for (const auto &context : contexts) {
+      auto meshName = context->mesh->getName();
+      BOOST_REQUIRE(meshName == "Dynamic");
+      using Dynamicity = precice::impl::MeshContext::Dynamicity;
+      if (pname == "A") {
+        if (meshName == "Dynamic") {
+          BOOST_TEST(context->provideMesh);
+          BOOST_TEST((context->dynamic == Dynamicity::Yes));
+        }
+      }
+      if (pname == "B") {
+        if (meshName == "Dynamic") {
+          BOOST_TEST(!context->provideMesh);
+          BOOST_TEST(context->allowDirectAccess);
+          BOOST_TEST((context->dynamic == Dynamicity::Yes));
+        }
+      }
+    }
+  }
+}
+
 BOOST_AUTO_TEST_CASE(Partial)
 {
   PRECICE_TEST(1_rank);

diff --git a/src/precice/tests/meshcontext-direct.xml b/src/precice/tests/meshcontext-direct.xml
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<precice-configuration>
+  <solver-interface dimensions="2" experimental="true">
+    <data:scalar name="Data1" />
+    <data:scalar name="Data2" />
+
+    <mesh name="Dynamic">
+      <use-data name="Data1" />
+      <use-data name="Data2" />
+    </mesh>
+
+    <participant name="A">
+      <provide-mesh name="Dynamic" dynamic="true" />
+      <write-data name="Data1" mesh="Dynamic" />
+      <read-data name="Data2" mesh="Dynamic" />
+    </participant>
+
+    <participant name="B">
+      <receive-mesh name="Dynamic" from="A" direct-access="true" />
+      <write-data name="Data2" mesh="Dynamic" />
+      <read-data name="Data1" mesh="Dynamic" />
+    </participant>
+
+    <m2n:sockets from="A" to="B" />
+
+    <coupling-scheme:serial-explicit>
+      <participants first="A" second="B" />
+      <max-time-windows value="1" />
+      <time-window-size value="1.0" />
+      <exchange data="Data1" mesh="Dynamic" from="A" to="B" />
+      <exchange data="Data2" mesh="Dynamic" from="B" to="A" />
+    </coupling-scheme:serial-explicit>
+  </solver-interface>
+</precice-configuration>