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wavelength_test.py
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wavelength_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, RangeStepType)
from sans.state.StateObjects.StateData import get_data_builder
from sans.state.StateObjects.StateWavelength import (StateWavelength, get_wavelength_builder)
from sans.test_helper.file_information_mock import SANSFileInformationMock
# ----------------------------------------------------------------------------------------------------------------------
# State
# ----------------------------------------------------------------------------------------------------------------------
class StateWavelengthTest(unittest.TestCase):
def test_that_is_sans_state_data_object(self):
state = StateWavelength()
self.assertTrue(isinstance(state, StateWavelength))
def test_convert_step_type_from_RANGE_LIN_to_LIN(self):
state = StateWavelength()
state.wavelength_step_type = RangeStepType.RANGE_LIN
self.assertEqual(state.wavelength_step_type_lin_log, RangeStepType.LIN)
def test_convert_step_type_from_RANGE_LOG_to_LOG(self):
state = StateWavelength()
state.wavelength_step_type = RangeStepType.RANGE_LOG
self.assertEqual(state.wavelength_step_type_lin_log, RangeStepType.LOG)
def test_convert_step_type_does_not_change_LIN(self):
state = StateWavelength()
state.wavelength_step_type = RangeStepType.LIN
self.assertEqual(state.wavelength_step_type_lin_log, RangeStepType.LIN)
def test_convert_step_type_does_not_change_LOG(self):
state = StateWavelength()
state.wavelength_step_type = RangeStepType.LOG
self.assertEqual(state.wavelength_step_type_lin_log, RangeStepType.LOG)
def test_convert_step_type_does_not_change_NOT_SET(self):
state = StateWavelength()
state.wavelength_step_type = RangeStepType.NOT_SET
self.assertEqual(state.wavelength_step_type_lin_log, RangeStepType.NOT_SET)
# ----------------------------------------------------------------------------------------------------------------------
# Builder
# ----------------------------------------------------------------------------------------------------------------------
class StateSliceEventBuilderTest(unittest.TestCase):
def test_that_slice_event_state_can_be_built(self):
# Arrange
facility = SANSFacility.ISIS
file_information = SANSFileInformationMock(instrument=SANSInstrument.LOQ, run_number=74044)
data_builder = get_data_builder(facility, file_information)
data_builder.set_sample_scatter("LOQ74044")
data_info = data_builder.build()
# Act
builder = get_wavelength_builder(data_info)
self.assertTrue(builder)
builder.state.wavelength_interval.wavelength_full_range = (10.0, 20.0)
builder.state.wavelength_interval.wavelength_step = 3.0
builder.set_wavelength_step_type(RangeStepType.LIN)
# Assert
state = builder.build()
self.assertEqual(state.wavelength_interval.wavelength_full_range, (10.0, 20.0))
self.assertEqual(state.wavelength_step_type, RangeStepType.LIN)
if __name__ == '__main__':
unittest.main()