Add unit test for reduced MAPS instrument re #5797

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

Code/Mantid/Framework/Algorithms/test/ApplyCalibrationTest.h

@@ -16,6 +16,7 @@
 #include "MantidKernel/V3D.h"
 #include "MantidGeometry/Instrument.h"
 #include "MantidGeometry/Instrument/Component.h"
+#include "MantidDataHandling/LoadEmptyInstrument.h"
 #include <stdexcept>
 
 using namespace Mantid::Algorithms;
@@ -39,7 +40,7 @@ class ApplyCalibrationTest : public CxxTest::TestSuite
     TS_ASSERT( appCalib.isInitialized() )
   }
 
-  void testExec()
+  void testSimple()
   {
 
      int ndets = 3; 
@@ -83,6 +84,68 @@ class ApplyCalibrationTest : public CxxTest::TestSuite
      TS_ASSERT_DELTA( newPos.Z() , 2.0, 0.0001);
   }
 
+  void testComplex()
+  {
+     /* The purpse of this test is to test the algorithm when the relative positioning and rotation
+      * of components is complicated. This is the case for the MAPS instrument and so here we
+      * load the IDF of a MAPS instrument where the number of detectors has been reduced.
+     */
+
+     int ndets = 3; 
+
+     // Create workspace with a reduced MAPS instrument (parametrised) and retrieve vfrom data store.
+     const std::string wsName("ApplyCabrationWs");
+     Mantid::DataHandling::LoadEmptyInstrument loader;
+     loader.initialize();
+     loader.setPropertyValue("Filename", "IDFs_For_UNIT_TESTING/MAPS_Definition_reduced.xml");
+     loader.setPropertyValue("OutputWorkspace", wsName);
+     loader.execute();
+     AnalysisDataServiceImpl & dataStore = AnalysisDataService::Instance();
+     MatrixWorkspace_sptr ws = dataStore.retrieveWS<MatrixWorkspace>(wsName);
+
+     // Create Calibration Table
+     int firstDetectorID = 34208002;
+     ITableWorkspace_sptr posTableWs = WorkspaceFactory::Instance().createTable();
+     posTableWs->addColumn("int","Detector ID");
+     posTableWs->addColumn("V3D","Detector Position");
+
+     for(int i=0; i < ndets; ++i)
+     {
+       TableRow row = posTableWs->appendRow();
+       row << firstDetectorID + 10*i << V3D(1.0,0.01*i,2.0); 
+     }
+     TS_ASSERT_THROWS_NOTHING(appCalib.setPropertyValue("Workspace", wsName ));
+     TS_ASSERT_THROWS_NOTHING(appCalib.setProperty<ITableWorkspace_sptr>("PositionTable", posTableWs ));
+     TS_ASSERT_THROWS_NOTHING(appCalib.execute());
+
+     TS_ASSERT( appCalib.isExecuted() );
+
+     IDetector_const_sptr det = ws->getDetector(1830);
+     int id = det->getID();
+     V3D newPos = det->getPos();
+     TS_ASSERT_EQUALS( id, firstDetectorID);
+     TS_ASSERT_DELTA( newPos.X() , 1.0, 0.0001);
+     TS_ASSERT_DELTA( newPos.Y() , 0.0, 0.0001);
+     TS_ASSERT_DELTA( newPos.Z() , 2.0, 0.0001);
+
+     det = ws->getDetector(1840);
+     id = det->getID();
+     newPos = det->getPos();
+     TS_ASSERT_EQUALS( id, firstDetectorID + 10);
+     TS_ASSERT_DELTA( newPos.X() , 1.0, 0.0001);
+     TS_ASSERT_DELTA( newPos.Y() , 0.01, 0.0001);
+     TS_ASSERT_DELTA( newPos.Z() , 2.0, 0.0001);
+
+     det = ws->getDetector(1850);
+     id = det->getID();
+     newPos = det->getPos();
+     TS_ASSERT_EQUALS( id, firstDetectorID + 20);
+     TS_ASSERT_DELTA( newPos.X() , 1.0, 0.0001);
+     TS_ASSERT_DELTA( newPos.Y() , 0.02, 0.0001);
+     TS_ASSERT_DELTA( newPos.Z() , 2.0, 0.0001);
+  }
+
+
 private:
   ApplyCalibration appCalib;