From 96174646b651f8b0437c79f3144d0eda91bb22dc Mon Sep 17 00:00:00 2001
From: Conor Finn <conor.finn@stfc.ac.uk>
Date: Mon, 9 Mar 2020 16:51:28 +0000
Subject: [PATCH] RE #27722 Replace assertRaisesRegex imported from six

---
 .../ReflectometryILLSumForegroundTest.py      |  4 +-
 .../test/ISISPowderAbsorptionTest.py          |  6 +--
 .../isis_powder/test/ISISPowderCommonTest.py  | 34 ++++++++---------
 .../test/ISISPowderInstrumentSettingsTest.py  | 12 +++---
 .../test/ISISPowderSampleDetailsTest.py       | 38 +++++++++----------
 .../test/ISISPowderYamlParserTest.py          | 16 ++++----
 .../cropping/test/test_cropping_model.py      |  6 +--
 7 files changed, 55 insertions(+), 61 deletions(-)

diff --git a/Framework/PythonInterface/test/python/plugins/algorithms/WorkflowAlgorithms/ReflectometryILLSumForegroundTest.py b/Framework/PythonInterface/test/python/plugins/algorithms/WorkflowAlgorithms/ReflectometryILLSumForegroundTest.py
index a6e4976dfd2..b9248af301e 100644
--- a/Framework/PythonInterface/test/python/plugins/algorithms/WorkflowAlgorithms/ReflectometryILLSumForegroundTest.py
+++ b/Framework/PythonInterface/test/python/plugins/algorithms/WorkflowAlgorithms/ReflectometryILLSumForegroundTest.py
@@ -215,7 +215,7 @@ class ReflectometryILLSumForegroundTest(unittest.TestCase):
             'child': True
         }
         alg = create_algorithm('ReflectometryILLSumForeground', **args)
-        self.assertRaisesRegexp(RuntimeError, 'Some invalid Properties found', alg.execute)
+        self.assertRaisesRegex(RuntimeError, 'Some invalid Properties found', alg.execute)
         self.assertTrue(alg.isExecuted)
 
     def testNotSummedDirectForegroundRaises(self):
@@ -231,7 +231,7 @@ class ReflectometryILLSumForegroundTest(unittest.TestCase):
             'child': True
         }
         alg = create_algorithm('ReflectometryILLSumForeground', **args)
-        self.assertRaisesRegexp(RuntimeError, 'Some invalid Properties found', alg.execute)
+        self.assertRaisesRegex(RuntimeError, 'Some invalid Properties found', alg.execute)
         self.assertTrue(alg.isExecuted)
 
     def testReflectedBeamSumInLambdaNoRotation(self):
diff --git a/scripts/Diffraction/isis_powder/test/ISISPowderAbsorptionTest.py b/scripts/Diffraction/isis_powder/test/ISISPowderAbsorptionTest.py
index ffb238a4a74..801887642f4 100644
--- a/scripts/Diffraction/isis_powder/test/ISISPowderAbsorptionTest.py
+++ b/scripts/Diffraction/isis_powder/test/ISISPowderAbsorptionTest.py
@@ -7,8 +7,6 @@
 import mantid.simpleapi as mantid
 import unittest
 
-from six import assertRaisesRegex
-
 from isis_powder.routines import absorb_corrections, SampleDetails
 
 
@@ -41,11 +39,11 @@ class ISISPowderAbsorptionTest(unittest.TestCase):
             modified_dict.pop(blacklisted_key)
 
             # Check that is raises an error
-            with assertRaisesRegex(self, KeyError, "The following key was not found in the advanced configuration"):
+            with self.assertRaisesRegex(KeyError, "The following key was not found in the advanced configuration"):
                 absorb_corrections.create_vanadium_sample_details_obj(config_dict=modified_dict)
 
             # Then check the error actually has the key name in it
-            with assertRaisesRegex(self, KeyError, blacklisted_key):
+            with self.assertRaisesRegex(KeyError, blacklisted_key):
                 absorb_corrections.create_vanadium_sample_details_obj(config_dict=modified_dict)
 
 
diff --git a/scripts/Diffraction/isis_powder/test/ISISPowderCommonTest.py b/scripts/Diffraction/isis_powder/test/ISISPowderCommonTest.py
index f275fbd63dc..21284c0a3e5 100644
--- a/scripts/Diffraction/isis_powder/test/ISISPowderCommonTest.py
+++ b/scripts/Diffraction/isis_powder/test/ISISPowderCommonTest.py
@@ -7,8 +7,6 @@
 import mantid.simpleapi as mantid  # Have to import Mantid to setup paths
 import unittest
 
-from six import assertRaisesRegex
-
 from isis_powder.routines import common, common_enums, SampleDetails
 
 
@@ -21,12 +19,12 @@ class ISISPowderCommonTest(unittest.TestCase):
         dict_with_key = {correct_key_name: expected_val}
 
         # Check it correctly raises
-        with assertRaisesRegex(self, KeyError, "The field '" + missing_key_name + "' is required"):
+        with self.assertRaisesRegex(KeyError, "The field '" + missing_key_name + "' is required"):
             common.cal_map_dictionary_key_helper(dictionary=dict_with_key, key=missing_key_name)
 
         # Check it correctly appends the passed error message when raising
         appended_e_msg = "test append message"
-        with assertRaisesRegex(self, KeyError, appended_e_msg):
+        with self.assertRaisesRegex(KeyError, appended_e_msg):
             common.cal_map_dictionary_key_helper(dictionary=dict_with_key, key=missing_key_name,
                                                  append_to_error_message=appended_e_msg)
 
@@ -58,15 +56,15 @@ class ISISPowderCommonTest(unittest.TestCase):
             bank_list.append(mantid.CreateSampleWorkspace(OutputWorkspace=out_name, XMin=0, XMax=1100, BinWidth=1))
 
         # Check a list of WS and single cropping value is detected
-        with assertRaisesRegex(self, ValueError, "The cropping values were not in a list or tuple type"):
+        with self.assertRaisesRegex(ValueError, "The cropping values were not in a list or tuple type"):
             common.crop_banks_using_crop_list(bank_list=bank_list, crop_values_list=1000)
 
         # Check a list of cropping values and a single workspace is detected
-        with assertRaisesRegex(self, RuntimeError, "Attempting to use list based cropping"):
+        with self.assertRaisesRegex(RuntimeError, "Attempting to use list based cropping"):
             common.crop_banks_using_crop_list(bank_list=bank_list[0], crop_values_list=cropping_value_list)
 
         # What about a mismatch between the number of cropping values and workspaces
-        with assertRaisesRegex(self, RuntimeError, "The number of TOF cropping values does not match"):
+        with self.assertRaisesRegex(RuntimeError, "The number of TOF cropping values does not match"):
             common.crop_banks_using_crop_list(bank_list=bank_list[1:], crop_values_list=cropping_value_list)
 
         # Check we can crop a single workspace from the list
@@ -95,11 +93,11 @@ class ISISPowderCommonTest(unittest.TestCase):
             bank_list.append(mantid.CreateSampleWorkspace(OutputWorkspace=out_name, XMin=x_min, XMax=x_max, BinWidth=1))
 
         # Check a list of WS and non list or tuple
-        with assertRaisesRegex(self, ValueError, "The cropping values were not in a list or tuple type"):
+        with self.assertRaisesRegex(ValueError, "The cropping values were not in a list or tuple type"):
             common.crop_banks_using_crop_list(bank_list=bank_list, crop_values_list=1000)
 
         # Check a cropping value and a single workspace is detected
-        with assertRaisesRegex(self, RuntimeError, "Attempting to use list based cropping"):
+        with self.assertRaisesRegex(RuntimeError, "Attempting to use list based cropping"):
             common.crop_banks_using_crop_list(bank_list=bank_list[0], crop_values_list=cropping_value)
 
         # Check we can crop a single workspace from the list
@@ -206,7 +204,7 @@ class ISISPowderCommonTest(unittest.TestCase):
         with self.assertRaises(KeyError):
             common.dictionary_key_helper(dictionary=test_dictionary, key=bad_key_name)
 
-        with assertRaisesRegex(self, KeyError, e_msg):
+        with self.assertRaisesRegex(KeyError, e_msg):
             common.dictionary_key_helper(dictionary=test_dictionary, key=bad_key_name, exception_msg=e_msg)
 
         self.assertEqual(common.dictionary_key_helper(dictionary=test_dictionary, key=good_key_name), 123)
@@ -310,11 +308,11 @@ class ISISPowderCommonTest(unittest.TestCase):
     def test_generate_run_numbers_fails(self):
         run_input_sting = "text-string"
 
-        with assertRaisesRegex(self, ValueError, "Could not generate run numbers from this input"):
+        with self.assertRaisesRegex(ValueError, "Could not generate run numbers from this input"):
             common.generate_run_numbers(run_number_string=run_input_sting)
 
         # Check it says what the actual string was
-        with assertRaisesRegex(self, ValueError, run_input_sting):
+        with self.assertRaisesRegex(ValueError, run_input_sting):
             common.generate_run_numbers(run_number_string=run_input_sting)
 
     def test_load_current_normalised_workspace(self):
@@ -444,14 +442,14 @@ class ISISPowderCommonTest(unittest.TestCase):
                                                         NumBanks=1, BankPixelWidth=1, XMax=10, BinWidth=1))
         # What if the item passed in is not a list
         err_msg_not_list = "was not a list"
-        with assertRaisesRegex(self, RuntimeError, err_msg_not_list):
+        with self.assertRaisesRegex(RuntimeError, err_msg_not_list):
             common.rebin_workspace_list(workspace_list=ws_list, bin_width_list=None)
 
-        with assertRaisesRegex(self, RuntimeError, err_msg_not_list):
+        with self.assertRaisesRegex(RuntimeError, err_msg_not_list):
             common.rebin_workspace_list(workspace_list=None, bin_width_list=[])
 
         # What about if the lists aren't the same length
-        with assertRaisesRegex(self, ValueError, "does not match the number of banks"):
+        with self.assertRaisesRegex(ValueError, "does not match the number of banks"):
             incorrect_number_bin_widths = [1] * (number_of_ws - 1)
             common.rebin_workspace_list(workspace_list=ws_list, bin_width_list=incorrect_number_bin_widths)
 
@@ -480,10 +478,10 @@ class ISISPowderCommonTest(unittest.TestCase):
 
         # Are the lengths checked
         incorrect_length = [1] * (number_of_ws - 1)
-        with assertRaisesRegex(self, ValueError, "The number of starting bin values"):
+        with self.assertRaisesRegex(ValueError, "The number of starting bin values"):
             common.rebin_workspace_list(workspace_list=ws_list, bin_width_list=ws_bin_widths,
                                         start_x_list=incorrect_length, end_x_list=end_x_list)
-        with assertRaisesRegex(self, ValueError, "The number of ending bin values"):
+        with self.assertRaisesRegex(ValueError, "The number of ending bin values"):
             common.rebin_workspace_list(workspace_list=ws_list, bin_width_list=ws_bin_widths,
                                         start_x_list=start_x_list, end_x_list=incorrect_length)
 
@@ -588,7 +586,7 @@ class ISISPowderCommonTest(unittest.TestCase):
         ws_file_name = "100"  # Load POL100
 
         # This should throw as the TOF ranges do not match
-        with assertRaisesRegex(self, ValueError, "specified for this file do not have matching binning. Do the "):
+        with self.assertRaisesRegex(ValueError, "specified for this file do not have matching binning. Do the "):
             common.subtract_summed_runs(ws_to_correct=sample_ws, instrument=ISISPowderMockInst(),
                                         empty_sample_ws_string=ws_file_name)
 
diff --git a/scripts/Diffraction/isis_powder/test/ISISPowderInstrumentSettingsTest.py b/scripts/Diffraction/isis_powder/test/ISISPowderInstrumentSettingsTest.py
index 929cacec3a3..727cdc13bc9 100644
--- a/scripts/Diffraction/isis_powder/test/ISISPowderInstrumentSettingsTest.py
+++ b/scripts/Diffraction/isis_powder/test/ISISPowderInstrumentSettingsTest.py
@@ -7,7 +7,7 @@
 import unittest
 import warnings
 
-from six import assertRaisesRegex, assertRegex
+from six import assertRegex
 
 from isis_powder.routines import instrument_settings, param_map_entry
 
@@ -18,7 +18,7 @@ class ISISPowderInstrumentSettingsTest(unittest.TestCase):
 
         inst_settings_obj = instrument_settings.InstrumentSettings(param_map=[param_entry])
 
-        with assertRaisesRegex(self, AttributeError, "is required but was not set or passed"):
+        with self.assertRaisesRegex(AttributeError, "is required but was not set or passed"):
             foo = inst_settings_obj.script_facing_name
             del foo
 
@@ -28,7 +28,7 @@ class ISISPowderInstrumentSettingsTest(unittest.TestCase):
         inst_settings_obj = instrument_settings.InstrumentSettings(param_map=[param_entry])
 
         # Check it still prints the acceptable values when it fails
-        with assertRaisesRegex(self, AttributeError, "A BAR"):
+        with self.assertRaisesRegex(AttributeError, "A BAR"):
             foo = inst_settings_obj.script_facing_name
             del foo
 
@@ -37,7 +37,7 @@ class ISISPowderInstrumentSettingsTest(unittest.TestCase):
 
         inst_settings_obj = instrument_settings.InstrumentSettings(param_map=[param_entry])
 
-        with assertRaisesRegex(self, AttributeError, "Please contact the development team"):
+        with self.assertRaisesRegex(AttributeError, "Please contact the development team"):
             foo = inst_settings_obj.not_known
             del foo
 
@@ -141,7 +141,7 @@ class ISISPowderInstrumentSettingsTest(unittest.TestCase):
 
         # First test we cannot set it to a different value
         incorrect_value_dict = {"user_facing_name": "wrong"}
-        with assertRaisesRegex(self, ValueError, "The user specified value: 'wrong' is unknown"):
+        with self.assertRaisesRegex(ValueError, "The user specified value: 'wrong' is unknown"):
             instrument_settings.InstrumentSettings(param_map=[param_entry],
                                                    adv_conf_dict=incorrect_value_dict)
 
@@ -157,7 +157,7 @@ class ISISPowderInstrumentSettingsTest(unittest.TestCase):
 
     def test_param_map_rejects_enum_missing_friendly_name(self):
         # Check that is the friendly name is not set it is correctly detected
-        with assertRaisesRegex(self, RuntimeError,
+        with self.assertRaisesRegex(RuntimeError,
                                "'enum_friendly_name' was not set. Please contact development team."):
             param_map_entry.ParamMapEntry(ext_name="user_facing_name", int_name="script_facing_name",
                                           enum_class=BadSampleEnum)
diff --git a/scripts/Diffraction/isis_powder/test/ISISPowderSampleDetailsTest.py b/scripts/Diffraction/isis_powder/test/ISISPowderSampleDetailsTest.py
index 671b3edd903..3c89e845694 100644
--- a/scripts/Diffraction/isis_powder/test/ISISPowderSampleDetailsTest.py
+++ b/scripts/Diffraction/isis_powder/test/ISISPowderSampleDetailsTest.py
@@ -11,7 +11,7 @@ import unittest
 
 from isis_powder.routines import sample_details
 
-from six import assertRaisesRegex, assertRegex
+from six import assertRegex
 
 
 class ISISPowderSampleDetailsTest(unittest.TestCase):
@@ -59,34 +59,34 @@ class ISISPowderSampleDetailsTest(unittest.TestCase):
         char_input_value = 'a'
 
         # Check it handles empty input
-        with assertRaisesRegex(self, ValueError, "Could not convert the height to a number"):
+        with self.assertRaisesRegex(ValueError, "Could not convert the height to a number"):
             sample_details.SampleDetails(height=empty_input_value, radius=good_input,
                                          center=good_center_input, shape="cylinder")
 
         # Does it handle bad input and tell us what we put in
-        with assertRaisesRegex(self, ValueError, ".*to a number. The input was: '" + char_input_value + "'"):
+        with self.assertRaisesRegex(ValueError, ".*to a number. The input was: '" + char_input_value + "'"):
             sample_details.SampleDetails(height=char_input_value, radius=good_input,
                                          center=good_center_input, shape="cylinder")
 
         # Does it indicate which field was incorrect
-        with assertRaisesRegex(self, ValueError, "radius"):
+        with self.assertRaisesRegex(ValueError, "radius"):
             sample_details.SampleDetails(height=good_input, radius=char_input_value,
                                          center=good_center_input, shape="cylinder")
 
         # Can it handle bad center values
-        with assertRaisesRegex(self, ValueError, "center"):
+        with self.assertRaisesRegex(ValueError, "center"):
             sample_details.SampleDetails(height=good_input, radius=good_input, center=["", 2, 3], shape="cylinder")
 
         # Does it throw if were not using a list for the input
-        with assertRaisesRegex(self, ValueError, "must be specified as a list of X, Y, Z"):
+        with self.assertRaisesRegex(ValueError, "must be specified as a list of X, Y, Z"):
             sample_details.SampleDetails(height=good_input, radius=good_input, center=1, shape="cylinder")
 
         # Does it throw if we are using a list of incorrect length (e.g. not 3D)
-        with assertRaisesRegex(self, ValueError, "must have three values corresponding to"):
+        with self.assertRaisesRegex(ValueError, "must have three values corresponding to"):
             sample_details.SampleDetails(height=good_input, radius=good_input, center=[], shape="cylinder")
-        with assertRaisesRegex(self, ValueError, "must have three values corresponding to"):
+        with self.assertRaisesRegex(ValueError, "must have three values corresponding to"):
             sample_details.SampleDetails(height=good_input, radius=good_input, center=[1, 2], shape="cylinder")
-        with assertRaisesRegex(self, ValueError, "must have three values corresponding to"):
+        with self.assertRaisesRegex(ValueError, "must have three values corresponding to"):
             sample_details.SampleDetails(height=good_input, radius=good_input, center=[1, 2, 3, 4], shape="cylinder")
 
     def test_constructor_with_impossible_val(self):
@@ -98,22 +98,22 @@ class ISISPowderSampleDetailsTest(unittest.TestCase):
         negative_string = "-1"
 
         # Check it handles zero
-        with assertRaisesRegex(self, ValueError, "The value set for height was: 0"):
+        with self.assertRaisesRegex(ValueError, "The value set for height was: 0"):
             sample_details.SampleDetails(height=zero_value, radius=good_input,
                                          center=good_center_input, shape="cylinder")
 
         # Very small negative
-        with assertRaisesRegex(self, ValueError, "which is impossible for a physical object"):
+        with self.assertRaisesRegex(ValueError, "which is impossible for a physical object"):
             sample_details.SampleDetails(height=good_input, radius=negative_value,
                                          center=good_center_input, shape="cylinder")
 
         # Integer negative
-        with assertRaisesRegex(self, ValueError, "The value set for height was: -1"):
+        with self.assertRaisesRegex(ValueError, "The value set for height was: -1"):
             sample_details.SampleDetails(height=negative_int, radius=good_input,
                                          center=good_center_input, shape="cylinder")
 
         # String negative
-        with assertRaisesRegex(self, ValueError, "The value set for radius was: -1"):
+        with self.assertRaisesRegex(ValueError, "The value set for radius was: -1"):
             sample_details.SampleDetails(height=good_input, radius=negative_string,
                                          center=good_center_input, shape="cylinder")
 
@@ -125,7 +125,7 @@ class ISISPowderSampleDetailsTest(unittest.TestCase):
         self.assertIsNotNone(sample_details_obj.material_object)
 
         # Check that the material is now immutable
-        with assertRaisesRegex(self, RuntimeError, "The material has already been set to the above details"):
+        with self.assertRaisesRegex(RuntimeError, "The material has already been set to the above details"):
             sample_details_obj.set_material(chemical_formula='V')
 
         # Check resetting it works
@@ -142,7 +142,7 @@ class ISISPowderSampleDetailsTest(unittest.TestCase):
         self.assertIsNone(sample_details_obj.material_object)
 
         # Check we cannot set a material property without setting the underlying material
-        with assertRaisesRegex(self, RuntimeError, "The material has not been set"):
+        with self.assertRaisesRegex(RuntimeError, "The material has not been set"):
             sample_details_obj.set_material_properties(absorption_cross_section=1.0, scattering_cross_section=2.0)
 
         # Check that with a material object we are allowed to set material properties
@@ -178,7 +178,7 @@ class ISISPowderSampleDetailsTest(unittest.TestCase):
         self.assertEqual(material_obj_number_density.number_density, number_density_sample)
 
         # Check that it raises an error if we have a non-elemental formula without number density
-        with assertRaisesRegex(self, ValueError, "A number density formula must be set on a chemical formula"):
+        with self.assertRaisesRegex(ValueError, "A number density formula must be set on a chemical formula"):
             sample_details._Material(chemical_formula=chemical_formula_complex)
 
         # Check it constructs if it is given the number density too
@@ -195,14 +195,14 @@ class ISISPowderSampleDetailsTest(unittest.TestCase):
         good_scattering = 2.0
 
         material_obj = sample_details._Material(chemical_formula='V')
-        with assertRaisesRegex(self, ValueError, "absorption_cross_section was: -1 which is impossible for a physical "
+        with self.assertRaisesRegex(ValueError, "absorption_cross_section was: -1 which is impossible for a physical "
                                                  "object"):
             material_obj.set_material_properties(abs_cross_sect=bad_absorb, scattering_cross_sect=good_scattering)
 
         # Check the immutability flag has not been set on a failure
         self.assertFalse(material_obj._is_material_props_set)
 
-        with assertRaisesRegex(self, ValueError, "scattering_cross_section was: 0"):
+        with self.assertRaisesRegex(ValueError, "scattering_cross_section was: 0"):
             material_obj.set_material_properties(abs_cross_sect=good_absorb, scattering_cross_sect=bad_scattering)
 
         # Check nothing has been set yet
@@ -216,7 +216,7 @@ class ISISPowderSampleDetailsTest(unittest.TestCase):
         self.assertEqual(material_obj.scattering_cross_section, float(good_scattering))
 
         # Check we cannot set it twice and fields do not change
-        with assertRaisesRegex(self, RuntimeError, "The material properties have already been set"):
+        with self.assertRaisesRegex(RuntimeError, "The material properties have already been set"):
             material_obj.set_material_properties(abs_cross_sect=999, scattering_cross_sect=999)
         self.assertEqual(material_obj.absorption_cross_section, float(good_absorb))
         self.assertEqual(material_obj.scattering_cross_section, float(good_scattering))
diff --git a/scripts/Diffraction/isis_powder/test/ISISPowderYamlParserTest.py b/scripts/Diffraction/isis_powder/test/ISISPowderYamlParserTest.py
index 5f160ffa9ba..8fa884689f9 100644
--- a/scripts/Diffraction/isis_powder/test/ISISPowderYamlParserTest.py
+++ b/scripts/Diffraction/isis_powder/test/ISISPowderYamlParserTest.py
@@ -8,8 +8,6 @@ import tempfile
 import os
 import unittest
 import warnings
-from six import assertRaisesRegex
-
 from isis_powder.routines import yaml_parser
 
 
@@ -77,7 +75,7 @@ class ISISPowderYamlParserTest(unittest.TestCase):
             self.fail("File exists after deleting cannot continue this test")
 
         # Check the error message is there
-        with assertRaisesRegex(self, ValueError, "Config file not found at path"):
+        with self.assertRaisesRegex(ValueError, "Config file not found at path"):
             yaml_parser.get_run_dictionary(run_number_string="1", file_path=file_path)
 
     def test_is_run_range_unbounded(self):
@@ -103,7 +101,7 @@ class ISISPowderYamlParserTest(unittest.TestCase):
         file_path = file_handle.name
         file_handle.close()
 
-        with assertRaisesRegex(self, ValueError, "YAML files appears to be empty at"):
+        with self.assertRaisesRegex(ValueError, "YAML files appears to be empty at"):
             yaml_parser.get_run_dictionary(run_number_string=1, file_path=file_path)
 
     def test_run_number_not_found_gives_sane_err(self):
@@ -118,15 +116,15 @@ class ISISPowderYamlParserTest(unittest.TestCase):
         file_handle.close()
 
         # Test a value in the middle of 1-10
-        with assertRaisesRegex(self, ValueError, "Run number 5 not recognised in cycle mapping file"):
+        with self.assertRaisesRegex(ValueError, "Run number 5 not recognised in cycle mapping file"):
             yaml_parser.get_run_dictionary(run_number_string="5", file_path=file_path)
 
         # Check on edge of invalid numbers
-        with assertRaisesRegex(self, ValueError, "Run number 9 not recognised in cycle mapping file"):
+        with self.assertRaisesRegex(ValueError, "Run number 9 not recognised in cycle mapping file"):
             yaml_parser.get_run_dictionary(run_number_string=9, file_path=file_path)
 
         # What about a range of numbers
-        with assertRaisesRegex(self, ValueError, "Run number 2 not recognised in cycle mapping file"):
+        with self.assertRaisesRegex(ValueError, "Run number 2 not recognised in cycle mapping file"):
             yaml_parser.get_run_dictionary(run_number_string="2-8", file_path=file_path)
 
         # Check valid number still works
@@ -141,7 +139,7 @@ class ISISPowderYamlParserTest(unittest.TestCase):
         file_path = file_handle.name
         file_handle.close()
 
-        with assertRaisesRegex(self, ValueError, "Seen multiple unbounded keys in mapping file"):
+        with self.assertRaisesRegex(ValueError, "Seen multiple unbounded keys in mapping file"):
             yaml_parser.get_run_dictionary(run_number_string="11", file_path=file_path)
 
     def test_yaml_sanity_detects_val_larger_than_unbound(self):
@@ -152,7 +150,7 @@ class ISISPowderYamlParserTest(unittest.TestCase):
         file_path = file_handle.name
         file_handle.close()
 
-        with assertRaisesRegex(self, ValueError, "Found a run range in calibration mapping overlaps an unbounded run "
+        with self.assertRaisesRegex(ValueError, "Found a run range in calibration mapping overlaps an unbounded run "
                                                  "range"):
             yaml_parser.get_run_dictionary(run_number_string="32", file_path=file_path)
 
diff --git a/scripts/Engineering/gui/engineering_diffraction/tabs/common/cropping/test/test_cropping_model.py b/scripts/Engineering/gui/engineering_diffraction/tabs/common/cropping/test/test_cropping_model.py
index 5abba91be69..75da21c3f47 100644
--- a/scripts/Engineering/gui/engineering_diffraction/tabs/common/cropping/test/test_cropping_model.py
+++ b/scripts/Engineering/gui/engineering_diffraction/tabs/common/cropping/test/test_cropping_model.py
@@ -45,9 +45,9 @@ class CroppingModelTest(unittest.TestCase):
         self.assertEqual(self.model._clean_spectrum_numbers("2-1, 76-5, 3"), "1-2,5-76,3")
 
     def test_clean_spectrum_numbers_equal_range(self):
-        self.assertRaisesRegexp(ValueError,
-                                "Ranges cannot contain the same value twice. Invalid Range:*",
-                                self.model._clean_spectrum_numbers, "1-1, 76-76, 3")
+        self.assertRaisesRegex(ValueError,
+                               "Ranges cannot contain the same value twice. Invalid Range:*",
+                               self.model._clean_spectrum_numbers, "1-1, 76-76, 3")
 
     def test_validate_and_clean_with_valid_input(self):
         self.assertEqual(self.model.validate_and_clean_spectrum_numbers("1-6, 7-23, 46, 1"),
-- 
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