def test_reduction_step(self):
"""
Test that passing a ReductionStep object works
"""
r = Reducer()
r.append_step(TestReductionStep())
for item in r._reduction_steps:
result = item.execute(r, "test2")
self.assertEqual(result, 5)
def test_parameter_variation(self):
"""
Similar to previous test, but the algo function is passed as a string
"""
r = Reducer()
r.append_step("LoadAscii", "AsciiExample.txt", None)
for item in r._reduction_steps:
result = item.execute(r, "test2")
# Check that the workspace was created
self.assertNotEqual(mtd["test2"], None)
mtd.deleteWorkspace("test2")
def test_pars_variation(self):
"""
Variations for parameter specification
"""
r = Reducer()
# An algorithm with a mandatory property that is NOT InputWorkspace or OutputWorkspace
r.append_step(LoadAscii, Filename="AsciiExample.txt", OutputWorkspace=None)
# Algorithm with InputWorkspace and OutputWorkspace
r.append_step(ConvertToHistogram, None, None)
for item in r._reduction_steps:
result = item.execute(r, "test2")
# Check that the workspace was created
self.assertNotEqual(mtd["test2"], None)
mtd.deleteWorkspace("test2")
def test_append_step(self):
"""
Test that a Mantid algorithm function can be added to a Reducer object
"""
r = Reducer()
# An algorithm with a mandatory property that is NOT InputWorkspace or OutputWorkspace
r.append_step(LoadAscii, "AsciiExample.txt", None)
# Algorithm with InputWorkspace and OutputWorkspace
r.append_step(ConvertToHistogram, None, None)
for item in r._reduction_steps:
result = item.execute(r, "test2")
# Check that the workspace was created
self.assertNotEqual(mtd["test2"], None)
mtd.deleteWorkspace("test2")
def test_output_wksp(self):
"""
Similar to previous test, but we specify the output workspace
"""
r = Reducer()
# An algorithm with a mandatory property that is NOT InputWorkspace or OutputWorkspace
r.append_step(LoadAscii, "AsciiExample.txt", None)
# Algorithm with InputWorkspace and OutputWorkspace
r.append_step(ConvertToHistogram, None, None)
r._reduction_steps[0].execute(r, "test2")
r._reduction_steps[1].execute(r, "test2", "test3")
# Check that the workspace was created
self.assertNotEqual(mtd["test2"], None)
self.assertNotEqual(mtd["test3"], None)
mtd.deleteWorkspace("test2")
mtd.deleteWorkspace("test3")
def test_bad_alg_name(self):
r = Reducer()
r.append_step("NotAnAlgorithm")
self.assertRaises(RuntimeError, r._reduction_steps[0].execute, (r, "test") )
