Add tests for running the bc's in BCKernelManager

src/gpu/VirtualFluids_GPU/Factories/BoundaryConditionFactory.h

@@ -142,11 +142,11 @@ public:
     // void setOutflowBoundaryCondition(...); // TODO:
     // https://git.rz.tu-bs.de/m.schoenherr/VirtualFluids_dev/-/issues/16
 
-    [[nodiscard]] boundaryCondition getVelocityBoundaryConditionPost(bool isGeometryBC = false) const;
-    [[nodiscard]] boundaryCondition getNoSlipBoundaryConditionPost(bool isGeometryBC = false) const;
-    [[nodiscard]] boundaryCondition getSlipBoundaryConditionPost(bool isGeometryBC = false) const;
-    [[nodiscard]] boundaryCondition getPressureBoundaryConditionPre() const;
-    [[nodiscard]] boundaryCondition getGeometryBoundaryConditionPost() const;
+    [[nodiscard]] virtual boundaryCondition getVelocityBoundaryConditionPost(bool isGeometryBC = false) const;
+    [[nodiscard]] virtual boundaryCondition getNoSlipBoundaryConditionPost(bool isGeometryBC = false) const;
+    [[nodiscard]] virtual boundaryCondition getSlipBoundaryConditionPost(bool isGeometryBC = false) const;
+    [[nodiscard]] virtual boundaryCondition getPressureBoundaryConditionPre() const;
+    [[nodiscard]] virtual boundaryCondition getGeometryBoundaryConditionPost() const;
 
     [[nodiscard]] boundaryConditionWithParameter getStressBoundaryConditionPost() const;
 

src/gpu/VirtualFluids_GPU/KernelManager/BCKernelManager.h

@@ -105,10 +105,10 @@ private:
 
     SPtr<Parameter> para;
 
+    boundaryCondition pressureBoundaryConditionPre = nullptr;
     boundaryCondition velocityBoundaryConditionPost = nullptr;
     boundaryCondition noSlipBoundaryConditionPost = nullptr;
     boundaryCondition slipBoundaryConditionPost = nullptr;
-    boundaryCondition pressureBoundaryConditionPre = nullptr;
     boundaryCondition geometryBoundaryConditionPost = nullptr;
     boundaryConditionWithParameter stressBoundaryConditionPost = nullptr;
 };

src/gpu/VirtualFluids_GPU/KernelManager/BCKernelManagerTest.cpp

 #include <gmock/gmock-function-mocker.h>
+#include <gmock/gmock-matchers.h>
 #include <gmock/gmock.h>
 #include <stdexcept>
 
@@ -66,3 +67,40 @@ TEST_F(BCKernelManagerTest_BCsNotSpecified, stressBoundaryConditionPost_NotSpeci
     para->getParD(0)->stressBC.numberOfBCnodes = 0;
     EXPECT_NO_THROW(BCKernelManager(para, &bcFactory));
 }
+
+class BoundaryConditionFactoryMock : public BoundaryConditionFactory
+{
+public:
+    mutable uint numberOfCalls = 0;
+
+    [[nodiscard]] boundaryCondition getVelocityBoundaryConditionPost(bool) const override
+    {
+        return [this](LBMSimulationParameter *, QforBoundaryConditions *) { numberOfCalls++; };
+    }
+};
+
+class BCKernelManagerTest_runBCs : public testing::Test
+{
+protected:
+    BoundaryConditionFactoryMock bcFactory;
+    SPtr<Parameter> para = std::make_shared<Parameter>();
+    UPtr<BCKernelManager> sut;
+
+    void SetUp() override
+    {
+        para->initLBMSimulationParameter();
+        sut = std::make_unique<BCKernelManager>(para, &bcFactory);
+    }
+};
+
+TEST_F(BCKernelManagerTest_runBCs, runVelocityBCKernelPost)
+{
+    para->getParD(0)->velocityBC.numberOfBCnodes = 1;
+    sut->runVelocityBCKernelPost(0);
+    EXPECT_THAT(bcFactory.numberOfCalls, testing::Eq(1));
+
+    bcFactory.numberOfCalls = 0;
+    para->getParD(0)->velocityBC.numberOfBCnodes = 0;
+    sut->runVelocityBCKernelPost(0);
+    EXPECT_THAT(bcFactory.numberOfCalls, testing::Eq(0));
+}
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