Add Unit Test for parameter file of IDF file re #6281

This test loads an IDF not in the instrument folder and checks that it uses a parameter file that is in the instrument folder.

Signed-off-by: Karl Palmen <karl.palmen@stfc.ac.uk>

Code/Mantid/Framework/DataHandling/test/LoadInstrumentTest.h

@@ -432,6 +432,53 @@ class LoadInstrumentTest : public CxxTest::TestSuite
     AnalysisDataService::Instance().remove(wsName);
   }
 
+  void testExecHRP2()
+  {
+    // Test Parameter file in instrument folder is used by an IDF file not in the instrument folder
+    InstrumentDataService::Instance().clear();
+
+    LoadInstrument loaderHRP2;
+
+    TS_ASSERT_THROWS_NOTHING(loaderHRP2.initialize());
+
+    //create a workspace with some sample data
+    wsName = "LoadInstrumentTestHRPD2";
+    Workspace_sptr ws = WorkspaceFactory::Instance().create("Workspace2D",1,1,1);
+    Workspace2D_sptr ws2D = boost::dynamic_pointer_cast<Workspace2D>(ws);
+
+    //put this workspace in the data service
+    TS_ASSERT_THROWS_NOTHING(AnalysisDataService::Instance().add(wsName, ws2D));
+
+    loaderHRP2.setPropertyValue("Filename", "IDFs_for_UNIT_TESTING/HRPD_Definition.xml");
+    // loaderHRP2.setPropertyValue("Filename", "HRPD_Definition.xml");
+    inputFile = loaderHRP2.getPropertyValue("Filename");
+
+    loaderHRP2.setPropertyValue("Workspace", wsName);
+
+    TS_ASSERT_THROWS_NOTHING(loaderHRP2.execute());
+
+    TS_ASSERT( loaderHRP2.isExecuted() );
+
+    // Get back the saved workspace
+    MatrixWorkspace_sptr output;
+    TS_ASSERT_THROWS_NOTHING(output = AnalysisDataService::Instance().retrieveWS<MatrixWorkspace>(wsName));
+
+    boost::shared_ptr<const Instrument> i = output->getInstrument();
+
+    // test if a dummy parameter has been read in
+    boost::shared_ptr<const IComponent> comp = i->getComponentByName("bank_90degnew");
+    TS_ASSERT_EQUALS( comp->getName(), "bank_90degnew");
+
+    ParameterMap& paramMap = output->instrumentParameters();
+
+    Parameter_sptr param = paramMap.getRecursive(&(*comp), "S", "fitting");
+    const FitParameter& fitParam4 = param->value<FitParameter>();
+    TS_ASSERT( fitParam4.getTie().compare("") == 0 );
+    TS_ASSERT( fitParam4.getFunction().compare("BackToBackExponential") == 0 );
+
+    AnalysisDataService::Instance().remove(wsName);
+  }
+
   void testNeutronicPositions()
   {
     // Make sure the IDS is empty