Add tests for gridPath

src/gpu/VirtualFluids_GPU/Parameter/ParameterTest.cpp

@@ -41,12 +41,10 @@ TEST(ParameterTest, check_all_Parameter_CanBePassedToConstructor)
 
     Parameter para(config, 1, 0);
 
-    // this two parameters need to be defined in each config file
+    // test optional parameter
     EXPECT_THAT(para.getOutputPath(), testing::Eq("/output/path"));
+    EXPECT_THAT(para.getGridPath(), testing::Eq("/path/to/grid/")); // ... all grid files (e.g. multi-gpu/ multi-level) could be tested as well
     EXPECT_THAT(para.getgeoVec(), testing::Eq("/path/to/grid/geoVec.dat"));
-    // ... all grid files could be tested as well
-
-    // test optional parameter
     EXPECT_THAT(para.getMaxDev(), testing::Eq(2));
     EXPECT_THAT(para.getDevices(), testing::ElementsAreArray({ 2, 3 }));
     EXPECT_THAT(para.getOutputPrefix(), testing::Eq("MyPrefix"));
@@ -149,4 +147,62 @@ TEST(ParameterTest, check_all_Parameter_CanBePassedToConstructor)
     EXPECT_THAT(para.getFine(), testing::Eq(1)); // NOGL - 1
     EXPECT_THAT(para.parH.size(), testing::Eq(2));
     EXPECT_THAT(para.parD.size(), testing::Eq(2));
+}
+
+TEST(ParameterTest, defaultGridPath)
+{
+    Parameter para(1, 0);
+    EXPECT_THAT(para.getGridPath(), testing::Eq("grid/"));
+    EXPECT_THAT(para.getConcentration(), testing::Eq("grid/conc.dat"));
+}
+
+TEST(ParameterTest, defaultGridPathMultiGPU)
+{
+    Parameter para(2, 1);
+
+    EXPECT_THAT(para.getGridPath(), testing::Eq("grid/1/"));
+    EXPECT_THAT(para.getConcentration(), testing::Eq("grid/1/conc.dat"));
+}
+
+TEST(ParameterTest, setGridPathOverridesDefaultGridPath)
+{
+    Parameter para(2, 1);
+    para.setGridPath("gridPathTest");
+
+    EXPECT_THAT( para.getGridPath(), testing::Eq("gridPathTest/1/"));
+    EXPECT_THAT(para.getConcentration(), testing::Eq("gridPathTest/1/conc.dat"));
+}
+
+TEST(ParameterTest, setGridPathOverridesConfigFile)
+{
+    // assuming that the config files is stored parallel to this file.
+    std::filesystem::path filePath = __FILE__;
+    filePath.replace_filename("parameterTest.cfg");
+    vf::basics::ConfigurationFile config;
+    config.load(filePath.string());
+    auto para = Parameter(config, 2, 0);
+    para.setGridPath("gridPathTest");
+
+    EXPECT_THAT( para.getGridPath(), testing::Eq("gridPathTest/0/"));
+    EXPECT_THAT(para.getConcentration(), testing::Eq("gridPathTest/0/conc.dat"));
+
+}
+
+TEST(ParameterTest, userMissedSlash)
+{
+    Parameter para(1, 0);
+    para.setGridPath("gridPathTest");
+
+    EXPECT_THAT(para.getGridPath(), testing::Eq("gridPathTest/"));
+    EXPECT_THAT(para.getConcentration(), testing::Eq("gridPathTest/conc.dat"));
+
+}
+
+TEST(ParameterTest, userMissedSlashMultiGPU)
+{
+    Parameter para(2, 0);
+    para.setGridPath("gridPathTest");
+
+    EXPECT_THAT(para.getGridPath(), testing::Eq("gridPathTest/0/"));
+    EXPECT_THAT(para.getConcentration(), testing::Eq("gridPathTest/0/conc.dat"));
 }
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