Add unit test for UpdatePeakParameterTableValue. Refs #6679.

Code/Mantid/Framework/PythonInterface/test/python/PythonAlgorithms/CMakeLists.txt

@@ -8,6 +8,7 @@ set ( TEST_PY_FILES
   MaskWorkspaceToCalFileTest.py
   RetrieveRunInfoTest.py
   Stitch1DTest.py
+  UpdatePeakParameterTableValueTest.py
 )
 
 # Prefix for test name=PythonAlgorithms

Code/Mantid/Framework/PythonInterface/test/python/PythonAlgorithms/UpdatePeakParameterTableValueTest.py

@@ -0,0 +1,40 @@
+import unittest
+import numpy
+from mantid.kernel import *
+from mantid.api import *
+from testhelpers import run_algorithm
+from mantid.api import AnalysisDataService
+
+class UpdatePeakParameterTableValueTest(unittest.TestCase):
+
+    def test_updateDouble(self):
+        """ Test for update a double value
+        """
+        # tablews = self.create_TableWorkspace()
+
+        alg_init = run_algorithm("CreateEmptyTableWorkspace", OutputWorkspace="TestTableWorkspace")
+        self.assertTrue(alg_init.isExecuted())
+
+        tablews = AnalysisDataService.retrieve("TestTableWorkspace")
+
+        tablews.addColumn("str", "Name")
+        tablews.addColumn("double", "Value")
+        tablews.addColumn("str", "FitOrTie")
+
+        tablews.addRow(["A", 1.34, "Fit"])
+        tablews.addRow(["B", 2.34, "Tie"])
+        tablews.addRow(["S", 3.34, "Tie"])
+
+        alg_test = run_algorithm("UpdatePeakParameterTableValue", InputWorkspace=alg_init.getPropertyValue("OutputWorkspace"),
+                Column="Value", ParameterNames=["A"], NewFloatValue=1.00)
+
+        self.assertTrue(alg_test.isExecuted())
+
+        newvalue_A = tablews.cell(0, 1)
+
+        self.assertEqual(newvalue_A,  1.00)
+
+        return
+
+if __name__ == '__main__':
+    unittest.main()