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data_test.py
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data_test.py
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# Mantid Repository : https://github.com/mantidproject/mantid
#
# Copyright © 2018 ISIS Rutherford Appleton Laboratory UKRI,
# NScD Oak Ridge National Laboratory, European Spallation Source,
# Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
# SPDX - License - Identifier: GPL - 3.0 +
import unittest
from sans.common.enums import (SANSFacility, SANSInstrument)
from sans.state.StateObjects.StateData import (StateData, get_data_builder)
from sans.test_helper.file_information_mock import SANSFileInformationMock
# ----------------------------------------------------------------------------------------------------------------------
# State test
# ----------------------------------------------------------------------------------------------------------------------
class StateDataTest(unittest.TestCase):
@staticmethod
def _get_data_state(**data_entries):
state = StateData()
data_settings = {"sample_scatter": "test", "sample_transmission": "test",
"sample_direct": "test", "can_scatter": "test",
"can_transmission": "test", "can_direct": "test"}
for key, value in list(data_settings.items()):
if key in data_entries:
value = data_entries[key]
if value is not None: # If the value is None, then don't set it
setattr(state, key, value)
return state
def assert_raises_for_bad_value_and_raises_nothing_for_good_value(self, data_entries_bad,
data_entries_good):
# Bad values
state = StateDataTest._get_data_state(**data_entries_bad)
with self.assertRaises(ValueError):
state.validate()
# Good values
state = StateDataTest._get_data_state(**data_entries_good)
self.assertIsNone(state.validate())
def test_that_raises_when_sample_scatter_is_missing(self):
self.assert_raises_for_bad_value_and_raises_nothing_for_good_value({"sample_scatter": None},
{"sample_scatter": "test"})
def test_that_raises_when_transmission_and_direct_are_inconsistently_specified_for_sample(self):
self.assert_raises_for_bad_value_and_raises_nothing_for_good_value({"sample_transmission": None,
"sample_direct": "test",
"can_transmission": None,
"can_direct": None},
{"sample_transmission": "test",
"sample_direct": "test",
"can_transmission": None,
"can_direct": None})
def test_that_raises_when_transmission_and_direct_are_inconsistently_specified_for_can(self):
self.assert_raises_for_bad_value_and_raises_nothing_for_good_value({"can_transmission": "test",
"can_direct": None},
{"can_transmission": "test",
"can_direct": "test"})
def test_that_raises_when_transmission_but_not_scatter_was_specified_for_can(self):
self.assert_raises_for_bad_value_and_raises_nothing_for_good_value({"can_scatter": None,
"can_transmission": "test",
"can_direct": "test"},
{"can_scatter": "test",
"can_transmission": "test",
"can_direct": "test"})
# ----------------------------------------------------------------------------------------------------------------------
# Builder test
# ----------------------------------------------------------------------------------------------------------------------
class StateDataBuilderTest(unittest.TestCase):
def test_that_data_state_can_be_built(self):
# Arrange
facility = SANSFacility.ISIS
file_information = SANSFileInformationMock(run_number=74044, file_name="LOQ74044")
# Act
data_builder = get_data_builder(facility, file_information)
data_builder.set_sample_scatter("LOQ74044")
data_builder.set_sample_scatter_period(3)
data_state = data_builder.build()
# # Assert
self.assertEqual(data_state.sample_scatter, "LOQ74044")
self.assertEqual(data_state.sample_scatter_period, 3)
self.assertEqual(data_state.sample_direct_period, 0)
self.assertEqual(data_state.instrument, SANSInstrument.LOQ)
self.assertEqual(data_state.sample_scatter_run_number, 74044)
if __name__ == '__main__':
unittest.main()