First test for a SANS interface mask command re #3325

Code/Mantid/Framework/PythonAPI/CMakeLists.txt

@@ -49,6 +49,7 @@ set ( TEST_PY_FILES test/ImportTest.py
 		    test/WorkspaceTests.py
 		    test/SettingsTest.py
 		    test/SANSWorkflowTest.py
+		    test/SANSMaskCommands.py
 )
 
 if(UNITY_BUILD)

Code/Mantid/Framework/PythonAPI/test/SANSMaskCommands.py

+import unittest
+from mantidsimple import *
+import ISISCommandInterface as ISIS
+
+class SANSMaskCommands(unittest.TestCase):
+    """
+        Tests SANS workflow algorithms
+    """
+    
+    def setUp(self):
+        
+        self.test_ws_name = "SANSMaskCommands_ws"
+        LoadEmptyInstrument('LOQ_Definition_20020226-.xml', self.test_ws_name)
+        self.test_ws = mantid[self.test_ws_name]
+
+        ISIS.LOQ()
+
+        self.assertEqual(self.test_ws.getNumberHistograms(), 17778)
+        self.assertTrue(self.test_ws.readY(0)[0] > 0)
+        
+    def test_single_spectrum(self):
+        """
+            Checks the ISIS specfic mask command for spectra numbers
+        """
+        spec_nums1 = 7341
+        spec_nums2 = 17341
+
+        ISIS.Mask('mask S'+str(spec_nums1))
+        ISIS.Mask('MASK S'+str(spec_nums2))
+
+        ISIS.ReductionSingleton().mask.execute(ISIS.ReductionSingleton(), self.test_ws_name)
+        self.assertEqual(self.test_ws.readY(spec_nums1-1)[0], 0)
+        self.assertEqual(self.test_ws.readY(spec_nums2-1)[0], 0)
+
+if __name__ == '__main__':
+    unittest.main()
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