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dft_tools/python/converters/vasp/test/inpconf/test_input.py
Oleg E. Peil 9bbd71afb9 Fixed a bug in 'inpconf.py'
The problem was that when one shell was specified without an explicit
group the created automatic group was lacking the default values for
parameters 'normalize' and 'normion'. The current design, however,
assumes that they must always be set.
2015-10-11 13:55:04 +02:00

108 lines
3.8 KiB
Python

r"""
Tests of 'parse_input()' defined in ConfigParameters class
"""
import arraytest
import numpy as np
from inpconf import ConfigParameters
################################################################################
#
# TestParseInput
#
################################################################################
class TestParseInput(arraytest.ArrayTestCase):
"""
Function:
def parse_input(self)
Scenarios:
- **if** no [Group] section exists and more than one [Shell] section
is given **raise** AssertionError
- **if** no [Group] section exists but the single [Shell] section
does not contain required group information **raise** KeyError
- **if** a shell referenced in a group does not exist
**raise** Exception
- **if** not all defined shells are referenced in the groups
**raise** Exception
- **if** all sections are parsed error-free check that the output
is correct
- correct example with a single shell and no explicit groups
"""
# Scenario 1
def test_no_group(self):
conf_pars = ConfigParameters('input_test_1.cfg')
err_mess = "At least one group"
with self.assertRaisesRegexp(AssertionError, err_mess):
conf_pars.parse_input()
# Scenario 2
def test_gr_required(self):
conf_pars = ConfigParameters('input_test_2.cfg')
err_mess = "One \[Shell\] section is"
with self.assertRaisesRegexp(KeyError, err_mess):
conf_pars.parse_input()
# Scenario 3
def test_no_shell(self):
conf_pars = ConfigParameters('input_test_3.cfg')
err_mess = "Shell 3 referenced in"
with self.assertRaisesRegexp(Exception, err_mess):
conf_pars.parse_input()
# Scenario 4
def test_shell_outside_groups(self):
conf_pars = ConfigParameters('input_test_4.cfg')
err_mess = "Some shells are not inside"
with self.assertRaisesRegexp(AssertionError, err_mess):
conf_pars.parse_input()
# Scenario 5
def test_example(self):
conf_pars = ConfigParameters('example.cfg')
conf_pars.parse_input()
# with open('parse_input.output.test', 'wt') as f:
# f.write("Shells:\n")
# f.write(conf_pars.shells.__repr__() + '\n\n')
# f.write("Groups:\n")
# f.write(conf_pars.groups.__repr__() + '\n')
res = "Shells:\n"
res += conf_pars.shells.__repr__() + '\n\n'
res += "Groups:\n"
res += conf_pars.groups.__repr__()
expected = r"""Shells:
[{'ion_list': array([4, 5, 6, 7]), 'user_index': 1, 'lshell': 2}, {'tmatrix': array([[ 0., 1., 0.],
[ 1., 0., 0.],
[ 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}]
Groups:
[{'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}]"""
self.assertEqual(res, expected)
# Scenario 6
def test_example_no_groups(self):
conf_pars = ConfigParameters('example_nogroup.cfg')
conf_pars.parse_input()
# with open('parse_input.output.test', 'wt') as f:
# f.write("Shells:\n")
# f.write(conf_pars.shells.__repr__() + '\n\n')
# f.write("Groups:\n")
# f.write(conf_pars.groups.__repr__() + '\n')
res = "Shells:\n"
res += conf_pars.shells.__repr__() + '\n\n'
res += "Groups:\n"
res += conf_pars.groups.__repr__()
expected = r"""Shells:
[{'ion_list': array([4, 5, 6, 7]), 'user_index': 1, 'lshell': 2}]
Groups:
[{'normalize': True, 'index': '1', 'emin': -7.6, 'emax': 3.0, 'normion': False, 'shells': [0]}]"""
self.assertEqual(res, expected)