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https://github.com/triqs/dft_tools
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The names of the test suites have been prefixed with an underscore to avoid name conflicts with corresponding modules. Also an attempt to make a scan of all tests has been made by creating a 'test_all.py' script that is supposed to discover all test cases and run them. Unfortunately, this does not work as expected because many tests use input files assumed to be found in the current directory, which is not true if the tests are run from a different (parent) directory. This can be fixed by either forcing the change of directory (but it seems that 'unittest' does not have this functionality) or prepending input file names with the current module directory.
108 lines
3.8 KiB
Python
108 lines
3.8 KiB
Python
r"""
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Tests of 'parse_input()' defined in ConfigParameters class
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"""
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import arraytest
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import numpy as np
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from inpconf import ConfigParameters
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################################################################################
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#
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# TestParseInput
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#
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################################################################################
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class TestParseInput(arraytest.ArrayTestCase):
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"""
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Function:
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def parse_input(self)
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Scenarios:
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- **if** no [Group] section exists and more than one [Shell] section
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is given **raise** AssertionError
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- **if** no [Group] section exists but the single [Shell] section
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does not contain required group information **raise** KeyError
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- **if** a shell referenced in a group does not exist
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**raise** Exception
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- **if** not all defined shells are referenced in the groups
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**raise** Exception
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- **if** all sections are parsed error-free check that the output
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is correct
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- correct example with a single shell and no explicit groups
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"""
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# Scenario 1
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def test_no_group(self):
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conf_pars = ConfigParameters('input_test_1.cfg')
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err_mess = "At least one group"
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with self.assertRaisesRegexp(AssertionError, err_mess):
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conf_pars.parse_input()
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# Scenario 2
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def test_gr_required(self):
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conf_pars = ConfigParameters('input_test_2.cfg')
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err_mess = "One \[Shell\] section is"
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with self.assertRaisesRegexp(KeyError, err_mess):
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conf_pars.parse_input()
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# Scenario 3
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def test_no_shell(self):
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conf_pars = ConfigParameters('input_test_3.cfg')
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err_mess = "Shell 3 referenced in"
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with self.assertRaisesRegexp(Exception, err_mess):
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conf_pars.parse_input()
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# Scenario 4
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def test_shell_outside_groups(self):
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conf_pars = ConfigParameters('input_test_4.cfg')
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err_mess = "Some shells are not inside"
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with self.assertRaisesRegexp(AssertionError, err_mess):
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conf_pars.parse_input()
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# Scenario 5
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def test_example(self):
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conf_pars = ConfigParameters('example.cfg')
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conf_pars.parse_input()
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# with open('parse_input.output.test', 'wt') as f:
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# f.write("Shells:\n")
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# f.write(conf_pars.shells.__repr__() + '\n\n')
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# f.write("Groups:\n")
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# f.write(conf_pars.groups.__repr__() + '\n')
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res = "Shells:\n"
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res += conf_pars.shells.__repr__() + '\n\n'
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res += "Groups:\n"
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res += conf_pars.groups.__repr__()
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expected = r"""Shells:
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[{'ion_list': array([4, 5, 6, 7]), 'user_index': 1, 'lshell': 2}, {'tmatrix': array([[ 0., 1., 0.],
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[ 1., 0., 0.],
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[ 0., 0., 1.]]), 'ion_list': array([0, 1, 2, 3]), 'user_index': 2, 'lshell': 1}, {'ion_list': array([0, 1, 2, 3]), 'user_index': 3, 'lshell': 3}]
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Groups:
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[{'normalize': True, 'index': 1, 'shells': [0, 1], 'normion': False, 'emax': 3.0, 'emin': -7.6}, {'normalize': True, 'index': 2, 'shells': [2], 'normion': False, 'emax': 2.0, 'emin': -1.6}]"""
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self.assertEqual(res, expected)
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# Scenario 6
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def test_example_no_groups(self):
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conf_pars = ConfigParameters('example_nogroup.cfg')
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conf_pars.parse_input()
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# with open('parse_input.output.test', 'wt') as f:
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# f.write("Shells:\n")
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# f.write(conf_pars.shells.__repr__() + '\n\n')
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# f.write("Groups:\n")
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# f.write(conf_pars.groups.__repr__() + '\n')
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res = "Shells:\n"
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res += conf_pars.shells.__repr__() + '\n\n'
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res += "Groups:\n"
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res += conf_pars.groups.__repr__()
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expected = r"""Shells:
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[{'ion_list': array([4, 5, 6, 7]), 'user_index': 1, 'lshell': 2}]
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Groups:
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[{'normalize': True, 'index': '1', 'emin': -7.6, 'emax': 3.0, 'normion': False, 'shells': [0]}]"""
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self.assertEqual(res, expected)
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